WO2004110533A1 - 薬剤が収容された針無注射器 - Google Patents
薬剤が収容された針無注射器 Download PDFInfo
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- WO2004110533A1 WO2004110533A1 PCT/JP2004/006343 JP2004006343W WO2004110533A1 WO 2004110533 A1 WO2004110533 A1 WO 2004110533A1 JP 2004006343 W JP2004006343 W JP 2004006343W WO 2004110533 A1 WO2004110533 A1 WO 2004110533A1
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- panel
- needleless syringe
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
- A61K38/1833—Hepatocyte growth factor; Scatter factor; Tumor cytotoxic factor II
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
Definitions
- the present invention relates to a needleless syringe for injecting a pharmaceutical preparation containing a gene and a gene or an analog thereof into a predetermined site in a body by jetting the pharmaceutical preparation from a nozzle hole.
- the present invention uses this needleless syringe, particularly in the field of gene therapy, to administer the HGF gene encoding hepatocyte growth factor, the gene such as NF-B decoy oligonucleotide, and / or its analog,
- the present invention relates to a technique for highly efficient cell transfer. Background art
- a needleless syringe is a syringe that injects a drug solution into a predetermined site in a patient by jetting a predetermined amount of the drug solution from a nozzle hole at the tip of the needleless syringe.
- injection using a needleless syringe does not use a syringe needle at the time of injection, and thus has advantages such as painlessness, extremely small injection marks, and no needle stick accidents.
- Japanese Unexamined Patent Publication No. 2003-50731 discloses a syringe for intradermal injection of a DNA-based injectate.
- the adapter keeps the patient's skin and orifice at a distance of 0.76 to 1.0 inches.
- Japanese Patent Application Laid-Open No. 7-299140 discloses a disposable needleless syringe.
- a reservoir having a cylindrical chamber for accommodating a drug solution is integrally provided at a distal end of an elongated housing forming a syringe body.
- Japanese Unexamined Patent Publication (Kokai) No. Hei 11-15414 (WO95 / 038484) and Japanese Unexamined Patent Publication (Kokai) No. 2002-658851 disclose a needleless syringe. I have.
- This needleless syringe is A syringe body is provided with a cartridge in which a medicinal solution is previously stored, and the cartridge includes a bistone and an orifice.
- the actuator is energized by a pre-compressed panel to strike the piston and cause an injection.
- Japanese Patent No. 2577091 discloses hepatocyte growth factor obtained by genetic recombination and a human HGF (hHGF) gene encoding the same, and a gene encoding hH (3F By introducing it into an expression vector by a conventional method, it is possible to obtain a hHGF, an hHGF-like substance or a fusion protein containing hHGF by expression into a type II, and to obtain a recombinant hHGF, It is described that hHGF-like substances or fusion proteins containing hHGF may be used as therapeutic agents for liver patients, such as liver regeneration promoters, liver function improvers, hepatitis treatment agents, and cirrhosis inhibitors. I have.
- WO 96/35430 discloses a therapeutic and prophylactic agent for a disease caused by NF-C ⁇ containing NF- ⁇ B decoy oligonucleotide, and as a disease caused by NF- C, ischemic disease, Inflammatory diseases, autoimmune diseases and the like are mentioned. Disclosure of the invention
- An object of the present invention is to provide a needleless syringe containing a pharmaceutical preparation containing a gene and a gene or an analog thereof.
- An object of the present invention is to enable appropriate management of a pharmaceutical preparation liquid containing a gene and a gene or an analog thereof and a syringe main body, and to freely combine types of the pharmaceutical preparation liquid to be injected into the syringe main body.
- a pharmaceutical preparation liquid containing a gene and a gene or an analog thereof and a syringe main body and to freely combine types of the pharmaceutical preparation liquid to be injected into the syringe main body.
- the present invention includes the following needleless syringe.
- a needleless syringe including a syringe body with means,
- the drug is a needleless syringe which is a pharmaceutical preparation containing a gene and / or an analog thereof.
- Pressing means include various types of panels such as a panel (coil panel, plate panel, dish panel, spring, bamboo shoot panel, etc.), a compressor (use of air pressure), a cylinder (for example, various cylinders such as a carbon dioxide cylinder), a piezoelectric element, Explosives (chemical reaction, blasting-air pressure), electromagnetic force, hydraulic pressure, water pressure "Steam, electric motor (motor), motor (engine), magnets (various magnets such as permanent magnets and superconducting magnets), shape memory alloys, etc. No.
- panels such as a panel (coil panel, plate panel, dish panel, spring, bamboo shoot panel, etc.), a compressor (use of air pressure), a cylinder (for example, various cylinders such as a carbon dioxide cylinder), a piezoelectric element, Explosives (chemical reaction, blasting-air pressure), electromagnetic force, hydraulic pressure, water pressure "Steam, electric motor (motor), motor (engine), magnets (various magnets such as permanent magnets and superconducting magnets),
- the carrier need only be dense and biologically and chemically inert, and is preferably Alternatively, gold particles can be used, and particles of platinum, tungsten, iridium, etc. can also be used.
- a drug solution chamber having one or more nozzle holes, containing a drug solution, and provided with a biston so as to be located on the opposite side of the nozzle hole with the drug solution interposed therebetween; and
- a needleless syringe including a syringe body having a pressing mechanism for injecting the medicinal solution from the nozzle hole by pressing toward the direction of the hole,
- a needleless syringe wherein the drug solution is a pharmaceutical preparation containing a gene and / or an analog thereof.
- Vascular growth factor or angiogenic protein is a dispersion factor hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGF), fibroblast growth factor (FGF), transforming growth factor (TGF), Erythropoietin (EPO), angiogenin, angiogenin, pleiotrophin, PTN, HBG AM. Mitudokine (midkine).
- Placental growth factor protein pIGF
- Platelet-derived growth factor PDGF
- DeI-1 Developmentally Regulated Endothelial Cell Locus-1
- angiopoietin folistatin
- G-CSF granulocyte colony stimulating factor
- the needleless syringe according to (6) which is one selected from the group consisting of a factor (monocyte chemotactic protein-1, MGP-1), proiiferin, and ephrin.
- the expression vector is one selected from the group consisting of a plasmid (plasmid), an adenovirus vector (adenovirus vector), and an HVJ-E vector (Hemagglutinating Virus of Japan-envelope vector); ).
- H V J is also called Sendai Virus.
- Antisense oligonucleotides are IS-2302, ISIS-2503, ISIS-2922, ISIS-3521, ISIS-5132, ISIS-14803, ISIS-14838, ISIS-15839, G-3139, IN-3001, GPI
- the transcription factor is one selected from the group consisting of NF-CB, E2F, AP-1, STAT-1, STAT-16, GATA-3, and Ets. Needleless syringe as described.
- a pharmaceutical preparation containing a gene as a drug and / or an analog thereof can be jetted from a nozzle hole and injected into a predetermined site in a body.
- a pharmaceutical preparation containing a gene as a drug and / or an analog thereof can be jetted from a nozzle hole and injected into a predetermined site in a body.
- the nozzle ampule filled with the drug solution is removed from the syringe body, and the nozzle ampule and the syringe body are removed. Therefore, the nozzle ampule can be stored refrigerated at the optimal temperature for the drug solution enclosed therein, and the syringe body can be stored at room temperature, which facilitates appropriate management.
- the nozzle ampule has an ampoule opening exposing the piston, and a plurality of convex fitting portions are provided on an edge of the ampoule opening,
- the syringe body has a hollow housing accommodating a pressing mechanism, and the housing has a housing opening communicated with the sample opening, and is provided in a nozzle ampule at an edge of the housing opening.
- a concave fitting portion corresponding to the convex fitting portion is provided.
- the simple operation of rotating at least one of the nozzle ampoule and the housing enables the nozzle body to be moved relative to the syringe body. Louample can be attached and detached.
- a pressing member which is movable in a direction in which the pressing mechanism approaches and separates from the piston; a compression / spring which urges the pressing member in a direction to approach the piston;
- the release of the spring force by the holding member causes the liquid medicine to be jetted from the nozzle hole.
- a panel chamber having a housing opening at one end, and a release chamber separated from the panel chamber by a partition having a communication hole are formed,
- a panel receiver wherein the pressing member is located in the panel chamber and is in contact with the piston, and a rod extending from the panel receiver through the communication hole of the partition into the release chamber.
- An engaging projection is formed on an outer surface of the protruding end of the rod so as not to pass through the communicating partition of the partition, and the panel surrounds the rod, and the partition and the panel receiving member surround the rod.
- the panel can be held in a compressed state by bringing the engaging projection of the rod into contact with the stopper surface of the holding member. Furthermore, since the panel receiver of the pressing member is brought into contact with the piston in a state where the panel is compressed, the pressing member does not generate an impact when the holding member is released from holding. Can be pressed. If there is a gap between the piston and the pressing member, an impact is generated when the pressing member collides with the piston, There is a loud launching sound, and the impact transmitted to the hand is large. Also, the piston may be damaged.
- the rod stops at a predetermined position when the holding by the holding member is released. This ensures that the correct amount of drug solution is administered and that the drug solution is safe after administration.
- the moving distance of the rod may be appropriately determined according to the dose of the chemical solution, that is, the moving distance of the piston.
- the holding member has a ring portion received by the partition wall so as to surround the rod in the release chamber, and the holding portion is provided upright on the ring portion, and a tip end surface is a stump face.
- the tubular portion is formed of, for example, an elastic material such as a hard resin.
- the holding by the holding member can be released by deforming the portion of the cylindrical portion sandwiched between the adjacent slits.
- the holding member can be more reliably held by overcoming the compressed panel force. . Then, when the breakable portion is broken once during the injection of the chemical solution, the holding member cannot be reused. As a result, accidents such as infection due to reuse of the syringe can be prevented.
- the housing has an end wall facing the partition wall at an interval, and the release member can approach and separate from the stove face via a holding hole formed in the end wall. And the stove face is brought closer to the release member.
- the holding of the panel force of the holding member can be released by a simple operation of simply pressing the release member, so that the injection itself can be easily performed.
- a stopper wherein the holding member is movably inserted into a lock hole extending in a direction perpendicular to the rod by penetrating the peripheral wall of the release chamber in and out, and having a stopper surface at an inner end.
- the holding of the panel force of the holding member can be released by moving the stopper piece. Therefore, the injection itself can be easily performed.
- a guide groove is formed on the bottom surface, the outer end of the lock hole being opened, and a guide groove extending in a direction perpendicular to the lock hole is formed, and the lock member is movable in the guide groove.
- the stopper piece can be automatically moved toward the release position by the panel force.
- a safety cap attached to the syringe body is provided, and the safety cap is provided with a convex fitting portion corresponding to the convex fitting portion of the nozzle ampule.
- the convex fitting part of the safety cap is (20) to (25), wherein a gap is held between the engagement projection of the rod and the flat surface of the holding member in a state of being fitted into the concave fitting portion.
- a safety cap is attached to the syringe main body until immediately before the use of attaching the nozzle ampoule to the injector main body.
- the gap between the support member and the stop surface of the holding member is held. That is, it is not necessary for the holding member to always hold a strong panel force, and it is sufficient to hold the panel only during use. For this reason, it is possible to prevent inadvertent deformation even in a hot and humid environment. Therefore, the safety and accuracy of the syringe are ensured.
- the needleless syringe according to any one of (5) to (16), wherein the drug solution chamber is integrated with the syringe body.
- the drug solution chamber may be formed in the syringe body, and the drug solution chamber may be formed inside a nozzle ampule integrated with the syringe body as follows.
- the syringe main body has a hollow housing that houses a pressing mechanism, the pressing mechanism is movable in a direction approaching / separating from the biston, and the piston is a piston.
- a compression panel urged in a direction approaching the panel, and a holding member that holds the movement of the pressing member by the panel in a released state in a state where the panel is compressed.
- a panel chamber having a housing opening at one end, and a release chamber separated from the panel chamber by a partition having a communication hole are formed.
- the pressing member is located in the panel chamber and the piston And a rod extending from the panel receiver through the communication hole of the partition into the release chamber.
- the rod is engaged with an outer surface of a protruding end of the rod.
- the projection is formed in a size that cannot pass through the communication hole of the partition, and the panel is a coil spring that surrounds the rod and is interposed between the partition and the panel receiver.
- the holding member comprises: a ring portion received by the partition wall so as to surround the rod in the release chamber; and a tubular portion provided upright on the ring portion.
- the distal end surface of the portion is a stopper surface for abutting the engaging projection of the rod in a state where the panel is compressed, and a plurality of slits are formed so as to longitudinally cut the cylindrical portion.
- the same effects as those of the needleless syringes (15), (16) and (17) are obtained except for the effect based on the fact that the nozzle sample and the syringe body are detachable.
- the same effects as in the needleless syringe according to the above (18) are obtained, except for the effect based on the fact that the nozzle sample and the syringe body are detachable.
- the housing has an end wall facing the partition wall at an interval, and a release member can approach / separate from the stove face via a holding hole formed in the end wall.
- the stover surface is formed in a tapered concave shape that expands as approaching the release member, and the release member is formed in a tapered convex shape corresponding to the stove surface.
- the same effects as in the needleless syringe according to the above (19) are obtained, except for the effect based on the fact that the nozzle sample and the syringe body are detachable.
- the syringe main body has a hollow housing that houses a pressing mechanism, the pressing mechanism being movable in a direction approaching and separating from the piston, and the piston being connected to the piston.
- a compression panel urged in a direction approaching the panel, and a holding member that holds the movement of the pressing member by the panel in a released state in a state where the panel is compressed.
- a panel chamber having one end as a housing opening, and a release chamber separated from the spring chamber by a partition having a communication hole are formed.
- the pressing member includes a panel receiver positioned in the panel chamber and abutting on the piston, and a rod extended from the panel receiver through the communication hole of the partition into the release chamber.
- An engaging projection is formed on the outer surface of the protruding end of the rod so as not to pass through the communication hole of the partition, and the panel surrounds the rod, and is provided between the partition and the panel receiver. It is a coil spring interposed in
- the holding member includes a stopper piece movably inserted into a lock hole extending in a direction perpendicular to the rod by penetrating the peripheral wall of the release chamber in and out, and at an inner end of the stopper piece.
- a guide groove is formed on the bottom surface so as to open the outer end of the lock hole and extends in a direction orthogonal to the lock hole, and the lock member is movable in the guide groove.
- the present invention includes the following inventions.
- a method for treating and preventing a disease comprising administering an effective amount of a pharmaceutical preparation solution containing a gene and / or an analog thereof to a mammal using the needleless syringe according to any one of the above.
- the HGF gene encoding hepatocyte growth factor, a gene such as NF-KB decoy oligonucleotide, and / or an analog thereof can be transferred into cells with high efficiency. Moreover, the patient has no pain and the injection mark is extremely small. According to a preferred embodiment of the present invention, there is provided a safe needle-free injector that can appropriately and separately manage a medicinal solution and a syringe main body and can freely combine types of medicinal solutions to be injected into the syringe main body. Is done.
- the needleless syringe according to a preferred embodiment of the present invention has a mechanism in which a strong panel force does not act on the holding member at all during storage of the syringe body, so that high safety during storage is ensured.
- a pressing mechanism that stops the Ap pressure member at a predetermined position after injection of the drug solution, high safety after injection of the drug solution is also ensured.
- the holding member cannot be reused after the injection of the drug solution, an accident such as infection due to reuse of the syringe can be prevented as a disposable syringe.
- an optimal needleless injector can be obtained according to the purpose and site of treatment.
- a needleless syringe optimal for the drug solution can be obtained.
- the needleless syringe of the present invention can be applied to a rigid endoscope such as an arthroscope, a laparoscope, a thoracoscopy, or to an intraoperative operation, or to a catheter treatment, in addition to being used for ordinary injection. It is easy and can be used by directly pressing against the treatment site in the body. This makes it possible to directly administer the drug solution (cell transfer) to the treatment site in the body.
- FIG. 1 is a longitudinal sectional view of an example of the syringe of the present invention when used.
- FIG. 2 is a longitudinal sectional view of the syringe during storage.
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG.
- FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG.
- FIG. 5 is an enlarged perspective view of a holding member of the syringe.
- FIG. 6 is a longitudinal sectional view of a holding member according to a modified example of the syringe of the present invention.
- FIG. 7 is a side view of the portion shown in FIG.
- FIG. 8 is a photomicrograph (magnification: (a) 40 ⁇ , (b) 200 ⁇ ) of the epidermis showing the results of cell transfer of the Venus gene into epidermal tissue by the syringe of the present invention.
- FIG. 9 is a photomicrograph (magnification: (a) 40 ⁇ , (b) 200 ⁇ ) of the epidermal layer, showing the results of cell transfer of the LacZ gene into epidermal tissue using the syringe of the present invention.
- FIG. 10 is a view showing the results of HGF gene cell transfer using the needleless syringe of the present invention and the conventional syringe with a needle.
- various types of needleless syringes can be used.
- a pressing mechanism for pressing the piston in the direction of the nozzle hole and injecting the chemical solution from the nozzle hole a compression or tension panel method, a gas pressure (carbon dioxide gas, nitrogen gas) method Any method such as an explosive method, an electromagnetic force method, and a piezoelectric method may be used.
- any of those that can be used only once and those that can be used repeatedly can be used. Syringe reuse From the standpoint of preventing accidents such as infections caused by infection, it is preferable that they can be used only once.
- FIG. 1 is a longitudinal sectional view of an example of the syringe of the present invention when used.
- Fig. 2 is a longitudinal sectional view of the syringe during storage.
- FIG. 3 is a cross-sectional view taken along the line III-III of FIG.
- FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG.
- FIG. 5 is an enlarged perspective view of a holding member of the syringe.
- the upper and lower sides are based on FIG.
- the needleless syringe includes a nozzle ampule 11 and a syringe body 12 to which the nozzle ampule 11 is attached.
- the syringe body 12 includes a safety cap 13 attached to the syringe body 12 instead of the nozzle ampoule 11.
- the nozzle ampoule 11 has a bottomed cylinder having an ampule opening 21 at the upper end and a chemical solution chamber 22 inside.
- the bottom surface of the chemical solution chamber 22 of the nozzle ampoule 11 is formed as an upward concave conical surface.
- the chemical solution chamber 22 houses a chemical solution L and a piston 23 from above.
- the nozzle ampoule 11 is preferably made of a transparent material compatible with the liquid medicine L so that the liquid medicine L can be visually recognized, for example, a transparent hard plastic such as polycarbonate or glass.
- the drug solution L is a drug formulation solution containing a gene and / or an analog thereof.
- the chemical liquid L will be described later in detail.
- two convex fitting portions 24 having a shape that forms a part of an annular shape are provided so as to protrude in opposite directions to each other.
- the pinching angle of each convex fitting portion 24 is slightly less than 90 degrees (see FIG. 3).
- a nozzle hole 25 is formed at the center of the lower surface of the nozzle ampule 11 so as to communicate with the chemical solution chamber 22.
- a nozzle protection cap 26 is provided below the nozzle ampule 11.
- the protective cap 26 is usually made of plastic, but is preferably provided with a thin rubber material for sealing (not shown), for example, silicone rubber, in the central portion in contact with the nozzle hole 25. New The rubber material can prevent leakage of the chemical solution.
- one nozzle hole 25 is formed.
- a plurality of nozzles as described in JP-A-2000-126293 may be formed.
- the piston 23 is usually made of plastic, and has a horizontal disk shape fitted to the peripheral wall of the nozzle ampoule 11 so as to be slidable up and down.
- the lower surface of the biston 23 is formed as a downwardly convex conical surface that matches the bottom surface of the chemical solution chamber 22.
- An O-ring 27 is attached to the outer peripheral surface of the piston 23.
- the upper surface of the piston 23 is flush with the upper end surface of the nozzle ampoule 11.
- the syringe body 12 includes a vertical cylindrical housing 31 and a pressing mechanism 32 housed in the housing 31 and pressing the biston 23 downward.
- the housing 31 is preferably made of metal in order to maintain strength, but may be made of plastic.
- the interior of the housing 31 is partitioned by a horizontal partition 33 into a lower spring chamber 34 and an upper release chamber 35.
- a communication hole 36 is formed at the center of the partition wall 33.
- a housing opening 37 is formed at the lower end of the spring chamber 34 so as to match the ampoule opening 21.
- An end wall 38 is provided at the upper end of the release chamber 35.
- a holding hole 39 is formed in the center of the end wall 38.
- each concave fitting portion 41 is provided at the edge of the housing opening 37.
- the sandwiching angle of each concave fitting portion 41 is substantially equal to that of the convex fitting portion 24.
- the pressing mechanism 32 includes a pressing member 42 held vertically within the housing 31, a compression coil panel 43 for urging the pressing member 42 downward, and a pressing member 42 in a state where the panel 43 is compressed.
- a holding member 44 for holding the movement of the panel 43 releasably and a release member 45 for releasing the holding of the holding member 44 are provided.
- the pressing member 42 is a horizontal circle having an upright guide cylinder 51 on the outer peripheral edge which is brought into contact with the upper surface of the piston 23 and slidably contacts the inner peripheral surface of the spring chamber 34. It has a plate-like panel receiver 52 and a vertical rod 53 which is provided upright at the center of the panel receiver 52 and whose upper end protrudes into the release chamber 35 through the communication hole 36. An annular outwardly engaging projection 54 is provided at the upper end of the rod 53. The engagement protrusion 54 is formed in a size that cannot pass through the communication hole 36 of the partition wall 33. The lower surface of the projection 54 is formed to have an upwardly expanding tapered shape.
- the pressing member 42 is preferably made of metal.
- the spring 43 is housed in a compressed state in the panel chamber 34 so as to surround the opening 53 and to be interposed between the partition wall 33 and the spring receiver 52.
- the holding member 44 is integrally formed of, for example, a hard plastic, and as shown in detail in FIGS. 4 and 5, a ring portion 61 surrounding the rod 53 and received by the partition wall 33, and concentrically with the rod 53.
- the vertical cylindrical portion 62 is provided upright on the upper surface of the ring portion 61.
- An annular inward engaging projection 63 is provided at the upper end of the inner surface of the cylindrical portion 62.
- the upper surface of the inward engaging projection 63 is formed with a tapered concave stop surface 64 that expands upward. The inner edge of the stop surface 64 is engaged with the lower surface of the outwardly engaging projection 54 of the rod 53 from below.
- a slit 65 is formed at a position dividing the cylindrical portion 62 into four equal parts in the circumferential direction, including the inward engaging projection 63, and extending longitudinally. At the middle of the height of both edges of each slit 65, the slits 65 are partially connected by easily breakable breakable portions 66. That is, the cylindrical portion 62 is composed of four pieces, and the pieces are partially connected to each other by the breakable portion 66. As the plastic material of the holding member 44, an elastic material is selected. In the illustrated example, the cylindrical portion 62 is divided into four equal parts in the circumferential direction by the slits 65. However, it is sufficient that the cylindrical part 62 is divided into a plurality of parts, and it is not always necessary to divide the parts.
- the release member 45 is formed of a plastic closed-end vertical cylindrical body which is fitted into the holding hole 39 so as to be vertically movable. A portion of the release member 45 beyond the outer periphery of the bottom surface is formed with a lower tapered convexly expanding surface 67 that is aligned with the stop surface 64. A protective cap 68 is attached to the upper end of the housing 31 to enclose the release member 45. Have been killed.
- the safety cap 13 is made of a plastic disc-shaped body in which a hemispherical grip portion 71 is integrally formed at the center of the lower surface.
- a hemispherical grip portion 71 is integrally formed at the center of the lower surface.
- two convex fitting portions 72 having the same shape as the convex fitting portion 24 of the nozzle ampule 11 are provided in the same manner.
- a circular raised push-up portion 73 which is fitted in the ampoule opening 21 and has a height corresponding to the breaking gap C1.
- the safety cap 13 is attached to the housing 31 by fitting the convex fitting portion 72 of the safety cap 13 into the concave fitting portion 41 of the housing 31.
- the pressing member 42 is lifted by a height corresponding to the height of the push-up portion 73 as compared with a state in which the nozzle ampule 11 is attached to the housing 31.
- a safety gap C2 is formed between the outward engagement projection 54 of the rod 53 and the inward engagement projection 63 of the holding member 44 instead of the break gap C1. Due to the formation of the safety gap C2, the panel force of the panel 43 does not act on the holding member 44 at all. Higher safety during storage of the syringe is ensured.
- the safety cap 13 When a syringe is not used, that is, usually between the time when the syringe is manufactured and immediately before the syringe is used, the safety cap 13 is attached to the syringe body 12.
- the nozzle ampule 11 in which the chemical is sealed may be stored separately in a refrigerator or the like.
- the housing 31 is filled with a chemical solution.
- the two convex fitting portions 24 of the nozzle ampoule 11 are respectively positioned between the two concave fitting portions 41 of the housing 31, and the housing 31 and the safety cap 13 are rotated about 90 degrees in opposite directions to each other, Both fitting portions 24 and 41 are fitted respectively.
- the stop surface 64 gradually moves outward, and the engagement between the inward engagement protrusion 63 of the stopper surface 64 and the outward engagement protrusion 54 of the rod 53 is released.
- the pressing member 42 is pressed down vigorously by the force of the panel 43, and at the same time, the liquid medicine L is compressed at a high pressure by pressing down the piston 23, and is injected at a high speed from the nozzle hole 25 to perform a subcutaneous injection. Done. Since the engaging projection 54 of the opening 53 cannot pass through the communication hole 36 of the partition wall 33, the pressing member 42 is stopped at a predetermined position after the injection of the chemical solution, thereby ensuring safety.
- FIG. 6 and 7 show a modification of the holding member 44.
- a thick-walled holding portion 101 is provided on a part of the peripheral wall of the release chamber 35 of the housing 31, and a guide portion 102 is provided on the opposite side of the rod 53 from the holding portion 101. Is provided.
- a rod 53 is slid on the guide portion 102.
- the holding portion 101 is formed with a lock hole 103 which penetrates the inside and outside thereof and extends in a direction perpendicular to the rod 53.
- an inner enlarged guide groove 104 extending vertically is formed on the outer peripheral surface of the open chamber 35. An outer end of the lock hole 103 is opened on the bottom surface of the guide groove 104.
- an engagement protrusion 105 extending toward the holding portion 101 is provided.
- the lower surface of the engagement protrusion 105 is an inclined surface.
- the engagement protrusion 105 is formed in a size that cannot pass through the communication hole 36 of the partition wall 33.
- the holding member 44 comprises a stopper piece 111 movably inserted into the lock hole 103 and having an upward stopper surface 112 at an inner end.
- a lock member 121 is fitted in the guide groove 104 so as to be vertically slidable. On the inner surface of the lock member 121, a recess 122 is formed to allow the outer end of the stopper piece 111 to be inserted.
- the downward movement of the lock member 121 is regulated by the safety pin 131, and at the same time, the outward movement of the stopper piece 111 is regulated by the lock member 121.
- the safety pin 131 is pulled out, the movement of the lock member 121 becomes free.
- the lock member 121 is moved downward and the height of the stopper piece 111 and the height of the recess 122 are matched, the outward movement of the stopper piece 111 is free. Since the mouth 53 is urged downward by the force of the panel 43, the stopper piece 111 is pushed outward by the engaging projection 105 of the rod 53. Then, the engagement between the engagement projection 105 and the stopper piece 111 is released, and the rod 53 is pushed down at once by the force of the screw 43.
- the zestone 23 is pushed down, and the chemical liquid L is compressed at a high pressure.
- the injection is performed at a high speed from the nozzle hole 25 and subcutaneous injection is performed.
- Engagement protrusion 105 of mouth 53 Since the gas cannot pass through the communication hole 36 of the partition wall 33, the pressing member 42 is stopped at a predetermined position after the injection of the chemical solution, so that safety is ensured.
- the modified example of the holding member 44 shown in FIGS. 6 and 7 is applied to a needleless syringe in which the nozzle sample and the syringe body are detachable, and also to a needleless syringe in which the nozzle sample is fixed to the syringe body.
- FIG. 6 shows a state when the syringe is used, and is a diagram corresponding to FIG.
- a safety cap 13 is attached to the syringe main body 12, as shown in FIG.
- the rod 53 is lifted by a height corresponding to the height of the push-up portion 73 of the cap 13, and a safety clearance (between the engagement protrusion 105 of the rod 53 and the stopper piece 111 is formed.
- the safety clearance C2 in FIG. 2 Due to the safety gap, the panel force of the panel 43 does not act on the stopper piece 111 at all, so that a higher security of the syringe during storage is ensured.
- the needleless syringe of the present invention is not limited to this, and can be implemented in various forms. Therefore, the above embodiment is merely an example, and should not be construed as limiting.
- the drug solution L is a drug formulation solution containing a gene and / or an analog thereof.
- compositions containing the gene and / or its analog are not limited, but preferably include pharmaceutical preparations containing a gene encoding a vascular growth factor or an angiogenic protein.
- a vascular growth factor or an angiogenic protein for example, scatter factor hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGF), fibroblast growth factor (FGF), transforming growth Factor (TGF), erythropoietin (EP0), angiogenin (angiogenin), pleiotrophin (PTN, HB—GAM), mitdocaine (midkine), placental growth factor (placental growth) factor protein, PIGF), platelet-derived growth factor (PDGF), D e I — 1
- HGF scatter factor hepatocyte growth factor
- VEGF vascular endothelial growth factor
- FGF fibroblast growth factor
- TGF transforming growth Factor
- EP0 erythropoietin
- angiogenin angi
- angiopoietin folistatin, granulocyte colony-stimulating factor (G-cSF), leptin, insulin-like growth factor (IGF), transcription factor Chicken Ovalbumin Upstream Promotor-transcription factor ll (COUP-T Fll), endothelial NO synthase (eNOS), inducible NO synthase (iNOS), human monocyte chemotactic activator (monocyte chemotactic protein-1, MCP-1), proliferaline ( proliferin) and ephrin, among which HGF is more preferred.
- IGF insulin-like growth factor
- COUP-T Fll transcription factor Chicken Ovalbumin Upstream Promotor-transcription factor ll
- eNOS endothelial NO synthase
- iNOS inducible NO synthase
- human monocyte chemotactic activator monocyte chemotactic protein-1, MCP-1
- proliferaline proliferin
- the drug solution include a pharmaceutical preparation containing a gene encoding HGF as a main component.
- the gene encoding HGF is a gene encoding hepatocyte growth factor represented by the amino acid sequence of SEQ ID NO: 1 in the sequence listing.
- the gene encoding HGF is a gene encoding hepatocyte growth factor, represented by the nucleotide sequence of SEQ ID NO: 2 in the sequence listing.
- the gene encoding HGF can be introduced into an expression vector by a conventional method.
- an expression vector a plasmid, an adenovirus vector, an HVJ-E vector or the like can be used.
- compositions containing the gene encoding HGF as a main component have an angiogenic effect due to the proliferation of vascular endothelial cells, and prevent arterial diseases such as arteriosclerosis and peripheral circulatory insufficiency, myocardial infarction, and peripheral vascular occlusion. And is effective for treatment. Furthermore, pharmaceutical preparations containing a gene encoding HGF as a main component have the effect of promoting the repair of articular chondrocytes, and are effective in preventing and treating osteodystrophy, osteoarthritis, sports trauma, etc. .
- a gene encoding HGF which has been partially removed, altered, or added, etc., can also be used as long as the above action is not impaired.
- examples of the pharmaceutical preparation containing the analog of the gene include a pharmaceutical preparation containing an oligonucleotide having biological activity.
- the oligonucleotide having a biological activity is not limited as long as it is an oligonucleotide having a pharmacological effect, but is preferably a decoy, an antisense oligonucleotide, an aptamer, an RNA interference (RNA interference) effector, or the like. Can be mentioned.
- the decoy means an oligonucleotide having a transcription factor inhibitory activity.
- the transcription factor include NF_A: B, E2F, AP-1, STAT-1. , STAT-6, GATA-3, Ets, and the like.
- NF- / CB decoy oligonucleotides, E2F decoy oligonucleotides and STAT-6 decoy oligonucleotides are more preferable, and NF- / ⁇ B decoy oligonucleotides are more preferable.
- decoy oligonucleotide of ⁇ 2F or A ⁇ -1 is specifically described in, for example, WO9511687 (S EQ IDNO: 1, etc.), JP-T-6-509704, WOO2Z66070 and the like. Has been described.
- Other decoy oligonucleotides are described, for example, on page 8 of WO 02/066070.
- the antisense oligonucleotide (antisense nucleic acid) used in the present invention is not limited as long as it is DNA or RNA that affects the expression of a specific gene, but usually has a length of about 10 to 30 nucleotides.
- Specific examples of the antisense oligonucleotide include, for example, ISIS-2302, ISIS-2503, IS-2922, ISIS-3521 JSIS-5132, ISIS-14803, ISIS-14838, ISIS-15839, G-3139, IN-3001, GP2A, EP2010 and the like, preferably ISIS-2302, ISIS-14838 and ISIS-15839. These sequences are specifically described in Japanese Patent No. 2732546, Japanese Patent Publication No.
- the abtamase used in the present invention is not limited as long as it is an RNA molecule that specifically binds to a specific protein and controls its function.
- the RNA effector is not limited as long as it is a small dsRNA (double-strand RNA), siRNA (small interfering RNA), which causes post-transcriptional gene silencing.
- the drug solution include a pharmaceutical preparation containing an NF- FB decoy oligonucleotide as a main component.
- the NF-B decoy oligonucleotide may be any oligonucleotide that specifically antagonizes the nucleic acid binding site of NF-KB present on the chromosome, and includes analogs thereof.
- the nucleotide sequence gggatttccc (sequence 8 to 17 from the 5 'end of SEQ ID NO: 3 in the sequence listing) or an oligonucleotide containing a complement thereof, Mutants or compounds containing these in the molecule are mentioned.
- the oligonucleotide may be DNA or RNA.
- the oligonucleotide may contain a modified nucleic acid and Z or a pseudonucleic acid.
- these oligonucleotides, mutants thereof, or compounds containing these in a molecule may be single-stranded or double-stranded, and may be linear or cyclic.
- the mutant is a mutant in which a part of the above sequence is mutated, substituted, inserted, or deleted, and indicates an oligonucleotide that specifically antagonizes a nucleic acid binding site to which NF-KB binds.
- the oligonucleotide used in the present invention may be an oligonucleotide having a thiophosphate diester bond (S-oligo) in which the oxygen atom of the phosphate diester bond is replaced with a thiol atom, or a methylphosphine having no charge in the phosphodiester bond. Oligonucleotides that have been modified to make them less susceptible to degradation in vivo, such as oligonucleotides substituted with a single group, are included.
- S-oligo thiophosphate diester bond
- compositions containing an NF- / ⁇ ⁇ B decoy oligonucleotide as a main component are useful for treating diseases caused by NF-K ⁇ , that is, diseases caused by undesired activation of genes controlled by the transcription factor NF- / i /. Effective for prevention. In particular, It is effective in preventing and treating ischemic diseases such as myocardial infarction and cerebral infarction, autoimmune diseases such as rheumatism and atopy, preventing prognosis after organ transplantation and surgery, and preventing cancer metastasis and invasion.
- ischemic diseases such as myocardial infarction and cerebral infarction
- autoimmune diseases such as rheumatism and atopy
- luciferase plasmid promega, pGL3 lucyf erase plasmid
- skin samples were collected, and the luciferase activity was measured three times with a measuring device (manufactured by EG & G BERTHOLD, Lumat LB9507), and the average value and standard deviation were determined.
- Example 2 Transfection of modified green fluorescent protein gene (Venus gene) into cells
- Venus plasmid (Venus Plasmid) (100 ig / 100 jul saline) was injected into the dorsal skin of a rat using a needleless syringe ShimaJET P. / N 555-15000, manufactured by Shimadzu Corporation). Two days later, the skin at the sprayed part was collected to prepare a frozen section, which was observed with a fluorescence microscope.
- Venus Plasmid is a pCS2 vector into which a transgene of about 0.7 kb has been inserted, and is described in Nature Biotechnology, 20 (1), 87-90, 2002 in detail.
- Fig. 8 shows the results of observation using a microscope.
- the photographing magnification in Fig. 8 (a) is 40 times, and Fig. 8 (b) is 200 times (a part of the figure (a) is enlarged).
- green fluorescence indicated by an arrow in FIG. 8 (b) was observed in the epidermal and granular layers, confirming the transfer of the Venus gene into the cells.
- LacZ Plasmid 100 ig / 100 I saline
- Shimadzu Corporation a needleless syringe Shimajet
- the skin of the injection part was collected, and the extracted specimen was frozen with liquid nitrogen.
- the frozen skin was fixed with 1% glutaraldehyde for 5 to 10 minutes, and washed with phosphate buffered saline (PBS).
- PBS phosphate buffered saline
- FIG. 9 shows the results of observation using a microscope.
- the photographing magnification of FIG. 9 (a) is 40 ⁇
- FIG. 9 (b) is 200 ⁇ (a part of FIG. 9 (a) is enlarged).
- staining-positive portions blue; 8-galactosidase activity-positive portions; indicated by arrows in FIG. 9 (b)) were observed in the epidermal and granular layers, confirming the transfer of the LacZ gene into the cells.
- pVAX-HGF plasmid (CAS No .: 627861-07-8, 100 g / 100 I saline) was sprayed onto the back skin of the rat with simadiet. Two days later, the skin at the injection part was cut off from all layers and washed with PBS. Then, the cut skin is cut as finely as possible with scissors, and placed in an extraction buffer (20 mM Tris-HCI buffer (pH 7.5), 2 M NaCI, 0.1% Tween 80, 1 mM EDTA, 1 mM PMSF) and mixed with a polytron homogenizer. After centrifugation at 15,000 rpm and 4 ° C for 30 minutes, the supernatant was collected.
- pVAX-HGF plasmid CAS No .: 627861-07-8, 100 g / 100 I saline
- HGF ELISA kit manufactured by iBIOSOURCE, Cataloa No.
- the HGF concentration was measured using KAC 2211).
- a group using a syringe with a needle and a control group were provided.
- the HGF concentration was measured in the same manner as described above except that a syringe with a needle was used instead of ShimaJet.
- the control group instead of pVAX-HGF plasmid 100 g / 100 I saline, The HGF concentration was measured in the same manner as described above except that only physiological saline was used.
- FIG. 10 shows the amounts of HGF injected intradermally by Control v needle injection and simadiet injection.
- the vertical axis represents the amount of HGF (pg) per 1 mg of tissue (tissue). That is, in the Control group 0 P g / mg tissue, in a syringe with a needle used group 0 pg / mg tissue, in Shimajietsuto injection group HGF of 11.49pg / mg tissue was confirmed. As is evident from this, expression of HGF protein was not observed when a syringe with a needle was used, but cell transfer of the HGF gene was confirmed by simadijet injection.
- luciferase plasmid, Venus plasmid, LacZ plasmid, and pVAX-HGF plasmid were intradermally administered using a needleless syringe ShimaJet.
- the present invention is not limited to the needleless syringe described above, but is applicable to any needleless syringe having a medicine chamber and a pressing means.
- the present invention is not limited to the above-mentioned drugs, but is applicable to any pharmaceutical preparation containing a gene or an analog thereof. Therefore, the above-described embodiment is merely an example in every respect and should not be construed as limiting. Furthermore, all modifications belonging to the equivalent scope of the claims are within the scope of the present invention.
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- Animal Behavior & Ethology (AREA)
- Gastroenterology & Hepatology (AREA)
- Engineering & Computer Science (AREA)
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- Biomedical Technology (AREA)
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- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2004800125891A CN1784248B (zh) | 2003-05-09 | 2004-04-30 | 收容药剂的无针注射器 |
US10/555,925 US20070066935A1 (en) | 2003-05-09 | 2004-04-30 | Needleless syringe having medical agent accomodated therein |
JP2005506877A JP4594233B2 (ja) | 2003-05-09 | 2004-04-30 | 薬液が収容された針無注射器 |
AU2004246913A AU2004246913A1 (en) | 2003-05-09 | 2004-04-30 | Needleless syringe having medical agent accommodated therein |
EP04730727A EP1647292A4 (en) | 2003-05-09 | 2004-04-30 | NADELLOSIS SYRINGE WITH MEDICINES RECEIVED IN IT |
CA002525017A CA2525017A1 (en) | 2003-05-09 | 2004-04-30 | Needleless syringe having medical agent accommodated therein |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003131126 | 2003-05-09 | ||
JP2003-131126 | 2003-05-09 |
Publications (1)
Publication Number | Publication Date |
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WO2004110533A1 true WO2004110533A1 (ja) | 2004-12-23 |
Family
ID=33549122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006343 WO2004110533A1 (ja) | 2003-05-09 | 2004-04-30 | 薬剤が収容された針無注射器 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070066935A1 (ja) |
EP (1) | EP1647292A4 (ja) |
JP (1) | JP4594233B2 (ja) |
CN (1) | CN1784248B (ja) |
AU (1) | AU2004246913A1 (ja) |
CA (1) | CA2525017A1 (ja) |
TW (1) | TWI376245B (ja) |
WO (1) | WO2004110533A1 (ja) |
Cited By (2)
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JP2008206477A (ja) * | 2007-02-27 | 2008-09-11 | National Cardiovascular Center | 無針注射器を用いた細胞播種法 |
JP2016529052A (ja) * | 2013-09-09 | 2016-09-23 | エルテーエス ローマン テラピー−ジステーメ アーゲー | タンパク質の無針皮下投与 |
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US20100198146A1 (en) * | 2009-02-05 | 2010-08-05 | Gopalan Jagadeesh | Apparatus and method for delivering biologically-active substances or micro-medical devices to a target |
WO2011005971A1 (en) * | 2009-07-09 | 2011-01-13 | Cook Incorporated | Spring action medical device |
WO2016113409A1 (en) * | 2015-01-16 | 2016-07-21 | Sanofi-Aventis Deutschland Gmbh | Medicament delivery device |
EP3130368A1 (en) * | 2015-07-31 | 2017-02-15 | Sulzer Mixpac AG | Child-resistant discharger |
JP6972100B2 (ja) * | 2016-07-14 | 2021-11-24 | サノフイSanofi | 薬剤送達システム |
US11542490B2 (en) * | 2016-12-08 | 2023-01-03 | CureVac SE | RNAs for wound healing |
KR102638609B1 (ko) | 2017-07-27 | 2024-02-19 | 바이오메리욱스, 인코포레이티드. | 격리 튜브 |
DE102019200557A1 (de) * | 2019-01-17 | 2020-07-23 | Lts Lohmann Therapie-Systeme Ag | Applikator |
KR102334754B1 (ko) * | 2019-06-04 | 2021-12-06 | 한국기계연구원 | 압전 액추에이터를 이용한 플런저 구동 방식의 무침 주사 장치 |
CN110882447A (zh) * | 2019-11-11 | 2020-03-17 | 徐州深丰精密机械有限公司 | 一种医疗用注射器组件 |
CN114177325B (zh) * | 2021-11-23 | 2023-11-03 | 仙居县万和工艺有限公司 | 一种医疗用无针注射器顶端消毒装置 |
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- 2004-04-30 CA CA002525017A patent/CA2525017A1/en not_active Abandoned
- 2004-04-30 JP JP2005506877A patent/JP4594233B2/ja not_active Expired - Lifetime
- 2004-04-30 AU AU2004246913A patent/AU2004246913A1/en not_active Abandoned
- 2004-04-30 EP EP04730727A patent/EP1647292A4/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
---|---|
EP1647292A4 (en) | 2011-02-23 |
CN1784248A (zh) | 2006-06-07 |
JP4594233B2 (ja) | 2010-12-08 |
TWI376245B (en) | 2012-11-11 |
JPWO2004110533A1 (ja) | 2006-07-20 |
AU2004246913A1 (en) | 2004-12-23 |
CN1784248B (zh) | 2010-11-10 |
TW200500109A (en) | 2005-01-01 |
EP1647292A1 (en) | 2006-04-19 |
US20070066935A1 (en) | 2007-03-22 |
CA2525017A1 (en) | 2004-12-23 |
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