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WO2018158889A1 - Dispositif de nettoyage d'une zone de plaie - Google Patents

Dispositif de nettoyage d'une zone de plaie Download PDF

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Publication number
WO2018158889A1
WO2018158889A1 PCT/JP2017/008167 JP2017008167W WO2018158889A1 WO 2018158889 A1 WO2018158889 A1 WO 2018158889A1 JP 2017008167 W JP2017008167 W JP 2017008167W WO 2018158889 A1 WO2018158889 A1 WO 2018158889A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow path
nozzle
main body
wound
suction flow
Prior art date
Application number
PCT/JP2017/008167
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English (en)
Japanese (ja)
Inventor
井爪　友治
Original Assignee
株式会社ニフコ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ニフコ filed Critical 株式会社ニフコ
Priority to PCT/JP2017/008167 priority Critical patent/WO2018158889A1/fr
Publication of WO2018158889A1 publication Critical patent/WO2018158889A1/fr

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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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems

Definitions

  • the present invention relates to an improvement of a cleaning apparatus used for cleaning a wound part in a human operation or the like.
  • Patent Document 1 As a pulse cleaning device used for cleaning a wound part in human body surgery or the like, there is one disclosed in Patent Document 1.
  • physiological saline as a cleaning liquid is ejected by driving a built-in motor, and the cleaned sewage is sucked through a suction nozzle connected to a suction unit. Yes.
  • the sewage is mixed with not only bodily fluids but also fragments of human tissues such as bone fragments.
  • Such bone fragments and the like cause clogging of the suction flow path connecting the suction unit and the suction nozzle.
  • this type of cleaning apparatus is required to be able to suck the cleaning liquid after cleaning the wound while preventing as much as possible a bone fragment or the like from entering the suction channel.
  • the main body constituting this type of cleaning device needs to be connected to the three parts of the cleaning liquid supply flow path, the suction flow path, and the power cable for the motor, so that the main body can be smoothly routed. From the point of view, it is hoped that these three parties will be properly combined.
  • the main problem to be solved by the present invention is to rationally improve the usability of this type of cleaning apparatus.
  • the present invention provides a wound cleaning apparatus,
  • the body A nozzle body that is detachably combined with the main body,
  • the nozzle body is provided with a cleaning liquid discharge flow path and a nozzle side suction flow path so that the cleaning liquid sprayed on the wound portion is sucked from the nozzle side suction flow path
  • the main body is provided with a starting end of a suction channel that communicates with a terminal end of the nozzle side suction channel at the time of the combination,
  • a filter portion for preventing entry of bone fragments or the like having a size that may cause clogging of the suction flow path is formed at the start end of the suction flow path.
  • One aspect of the present invention is to form a storage portion such as a bone fragment at the end of the nozzle side suction flow path.
  • the start end communicates with the end of the first flow path and the end is connected to the nozzle side suction flow path.
  • One of the aspects of the present invention is to form the second flow path as the end of the first flow path.
  • the main body has a substantially straight body having a tip part as an attachment part of the nozzle body, and a grip part protruding laterally from a rear end of the body, and the body
  • One of the aspects of the present invention is to provide a switch of a motor drive circuit that constitutes the discharge mechanism of the cleaning water on the side of the part opposite to the protruding side of the grip part.
  • the wound cleaning device is a tube that serves as the suction flow path, A tube serving as a supply flow path for the cleaning liquid; A tube having a C-shaped cross section that can hold the power cable constituting the drive circuit of the motor that constitutes the discharge mechanism of the washing water by pushing it into the inside from the open portion;
  • One of the aspects of the present invention is to include an assembled tube body as an extrusion-molded product that is provided between adjacent tubes and includes a thin portion that integrates adjacent tubes.
  • the cleaning liquid after the wound cleaning is performed in a state in which a bone fragment having a size that may cause clogging does not enter the suction channel constituting the wound cleaning apparatus as much as possible.
  • Suction can be done, and bone fragments etc. stored in the nozzle body can be removed from the nozzle body by removing the nozzle body from the main body, and secondly, even if the gripping part is gripped even if the straight part of the main body is gripped
  • the two types of tubes connected to the main body and the power cable can be combined without being glued or bundled with adhesive tape, and the wound cleaning device is convenient to use. To be improved.
  • FIG. 1 is a side view showing the overall configuration of a wound cleaning apparatus according to an embodiment of the present invention.
  • FIG. 2 is a plan view of the wound cleaning apparatus.
  • FIG. 3 is a partial cross-sectional configuration diagram of the wound cleaning apparatus.
  • FIG. 4 is an enlarged cross-sectional view showing the main part of FIG.
  • FIG. 5 is a side configuration diagram of the attachment portion of the main body of the wound cleaning apparatus.
  • FIG. 6 is a configuration diagram showing the attachment part of the main body of the wound cleaning apparatus as viewed from the left side of FIG. 5, showing the base part of the nozzle body in cross section at the same time, and the state where the base part of the nozzle body is locked by a spring. Show. FIG.
  • FIG. 7 is a configuration diagram showing the attachment part of the main body of the wound cleaning apparatus as viewed from the left side of FIG. 5, showing the base part of the nozzle body in cross section at the same time, and releasing the lock of the base part of the nozzle body by the spring Indicates the state.
  • FIG. 8 is a front view of a part integrally including a cleaning liquid connector, a cylinder, and a suction connector in a main body constituting the wound cleaning apparatus.
  • FIG. 9 is a cross-sectional view taken along the line AA in FIG. 10 is a cross-sectional view taken along the line BB in FIG.
  • FIG. 11 is a perspective view of a base component part of a nozzle body constituting the wound cleaning apparatus.
  • FIG. 12 is a perspective view of a spring constituting the wound cleaning apparatus.
  • FIG. 13 is a side view of the assembled tube body constituting the wound cleaning apparatus.
  • FIG. 14 is a plan view of the assembled tube body constituting the wound cleaning apparatus.
  • FIG. 15 is a side view showing a state where the grip part of the wound cleaning apparatus is gripped.
  • FIG. 16 is a side view showing a state where the body part of the wound cleaning apparatus is grasped.
  • FIG. 17 is a circuit diagram of a motor drive circuit constituting the wound cleaning apparatus.
  • the wound cleaning apparatus according to this embodiment is suitably used for cleaning a wound in human surgery or the like.
  • the wound cleaning apparatus includes a main body 1 and a nozzle body 2 that is detachably combined with the main body 1 (see FIG. 1).
  • the nozzle body 2 includes a nozzle cover 23 that forms the tip of the nozzle body 2 that is directed to the wound part, a base component 24 that forms the base 22 of the nozzle body 2 opposite to the nozzle cover 23, and a gap therebetween.
  • the structure is a combination of the intermediate portion 25 positioned (see FIG. 4).
  • the main body 1 includes a cleaning liquid discharge mechanism and a part of the cleaning liquid suction flow path 3.
  • As the cleaning solution physiological saline is typically used.
  • the suction channel 3 forms part of the suction channel 3 of a known suction device.
  • the nozzle body 2 is formed with a discharge flow path 20 connected to the discharge mechanism and a nozzle side suction flow path 21 communicating with the suction flow path 3 when combined with the main body 1.
  • the cleaning liquid supplied from the outside of the main body 1 is sent to the discharge flow path 20 of the nozzle body 2 by the discharge mechanism and sprayed from the nozzle body 2 to the wound portion. It has become. At the same time, the sprayed cleaning liquid is sucked through the nozzle side suction channel 21 and the suction channel 3 and further sent out of the main body 1.
  • the main body 1 has a substantially straight barrel portion 7 whose tip portion is the attachment portion 7 a of the nozzle body 2, and a grip protruding sideways from the rear end of the barrel portion 7. And a switch 4a of the drive circuit 4 of the motor 4c that constitutes the discharge mechanism of the cleaning water on the side 7b opposite to the protruding side of the grip 8 in the body 7. It has become.
  • the grip portion 8 protrudes from the rear end of the grip portion 8 in a direction crossing the central axis of the body portion 7.
  • the mounting portion 7a has a structure in which the base portion 22 of the nozzle body 2, that is, the side opposite to the tip side directed to the wound portion in the nozzle body 2 is received from the front and is fitted to this. ing.
  • reference numeral 9 denotes a hood that covers the attachment portion 7 a
  • reference numeral 10 denotes a locking spring
  • reference numeral 11 denotes a cleaning liquid connector that protrudes forward from the inner back portion of the attachment portion 7 a
  • reference numeral 12 denotes an inner rear portion of the attachment portion 7 a. This is a suction connector that projects the front end portion 12b forward.
  • the cleaning liquid connector 11 is located inside the hood 9, and the suction connector 12 is located outside the hood 9.
  • the cleaning liquid connector 11, a cylinder 16, which will be described later, and the suction connector 12 are integrated parts (see FIGS. 8 to 10).
  • the spring 10 is made of a metal wire, has a left and right leg 10a, 10a, and a connecting part 10b extending between the base ends of the left and right leg 10a, 10a, and is a groove formed outside the hood 9.
  • 9a is attached to the outside of the hood 9 (see FIGS. 5 to 7).
  • Intermediate portions of the left and right leg portions 10 a and 10 a of the spring 10 enter the inside of the hood 9 through a split groove 9 b formed in the hood 9.
  • the intermediate portion of the leg portion 10a of the spring 10 is caught by the step 22a formed on the outside of the base portion 22.
  • the combined state of the main body 1 and the nozzle body can be released by pressing the connecting portion 10b of the spring 10.
  • the connecting portion 10 b of the spring 10 When the connecting portion 10 b of the spring 10 is pressed from the combined state, the tip of the leg portion 10 a of the spring 10 hits the cam portion 9 c formed on the outside of the hood 9, and the spring 10 moves the intermediate portion of the leg portion 10 a to the outside of the hood 9. It is elastically deformed in the direction in which it is moved (FIG. 7).
  • the hooking of the spring 10 and the nozzle body 2 can be released, and the base 22 of the nozzle body 2 can be extracted from the inside of the hood 9, that is, the mounting portion 7 a, thereby separating the main body 1 and the nozzle body 2.
  • a cover 13 of a spring 10 is further attached to the outside of the hood 9 (see FIGS. 1 to 3), and the pressing operation of the spring 10 is performed via this cover 13. Yes.
  • the leg portion 10a of the spring 10 is placed on the cam surface 22b (see FIG. 11) formed outside the base portion 22 of the nozzle body 2 and behind the step 22a.
  • the spring 10 is elastically deformed by hitting the intermediate part, and the base part 22 of the nozzle body 2 is smoothly fitted into the hood 9 toward the insertion end position where the intermediate part is caught by the step 22a. It is like that.
  • reference numeral 4c is a motor
  • reference numeral 14 is a piston
  • reference numeral 15 is a gear for converting the rotational force of the motor 4c into a moving force of the piston 14
  • reference numeral 16 is a cylinder. These are incorporated in the body portion 7 of the main body 1 and between the attachment portion 7 a and the grip portion 8. When the motor 4c is driven, the gear 15 rotates and the piston 14 moves back and forth.
  • One-way valves 17 and 18 are respectively provided on the side and front end of the cylinder 16 (FIGS. 3, 4, 9, and 10).
  • the one-way valve 18 at the front end is closed when the piston is retracted, and the one-way valve 17 at the side is opened, and the cleaning liquid is sucked into the cylinder 16, and the one-way valve 18 at the front end is opened at the side when the piston is advanced.
  • the one-way valve 17 is closed and the cleaning liquid is sent out from the cylinder 16 (not shown, but the cleaning liquid supply flow path 5 is connected to the cylinder 16 at the position where the one-way valve 17 is installed.
  • the cleaning liquid sent out in this way is sent to the discharge flow path 20 of the nozzle body 2 through the cleaning liquid connector 11.
  • FIG. 17 shows an example of the drive circuit 4.
  • reference numeral 4d is a first power source (battery) constituting the drive circuit 4
  • reference numeral 4e is a second power source (battery)
  • reference numeral 4a is a switch
  • reference numeral 4c is a motor.
  • the circuit including the first power supply 4d is closed, while in the second position, the circuit in which the first power supply 4d and the second power supply 4e are connected in series is closed.
  • the discharge amount of the cleaning liquid per unit time is increased.
  • the switch 4a is provided on the side portion of the body portion 7 opposite to the protruding side of the grip portion 8, first, when the body 1 is gripped so as to grip the grip portion 8, As shown in FIG. 15, the switch 4a can be operated with the thumb. Second, when the main body 1 is grasped by grasping the body 7 without using the grip 8, the switch 4a can be operated with a finger other than the thumb as shown in FIG. Further, when the nozzle body 2 is removed from the main body 1 as described above, or when the nozzle body 2 once removed is combined with the main body 1 again, the operation can be performed without touching the switch 4a with a finger. .
  • the wound cleaning apparatus includes a tube 6a that becomes the suction flow path 3, and A tube 6b serving as a supply channel 5 for the cleaning liquid;
  • a tube 6c having a C-shaped cross section that allows the power cable 4f constituting the drive circuit 4 of the motor 4c constituting the washing water discharge mechanism to be pushed into the inside from the open portion and held therein;
  • An assembled tube body 6 is provided as an extruded product, and includes a thin portion 6d between adjacent tubes and integrating adjacent tubes (see FIGS. 13 and 14).
  • the power cable 4f connects the first power source 4d and the second power source 4e to the motor 4c (see FIG. 17).
  • the tube 6c having a C-shaped cross section is integrated with a tube 6b serving as the supply flow path 5 in the illustrated example.
  • a thin-walled portion 6d is formed between the back portion opposite to the opening side of the tube 6c having a C-shaped cross section and the outer surface portion of the tube 6b serving as the supply flow path 5 (see FIG. 13, see FIG.
  • the tube 6c having the C-shaped cross section is provided at a place where it is convenient to collectively handle the tube 6a serving as the suction flow path 3, the tube 6b serving as the supply flow path 5, and the power cable 4f. By holding the power cable 4f, it can be integrated.
  • the three tubes 6a, 6b, 6c are made of members that can break the thin-walled portion 6d, they can be easily separated within a necessary range by breaking as necessary.
  • the integration is canceled. It can also be used.
  • the nozzle body 2 is provided with a cleaning liquid discharge flow path 20 and a nozzle side suction flow path 21 so that the cleaning liquid sprayed on the wound is sucked from the nozzle side suction flow path 21. (See FIG. 3).
  • the nozzle body 2 includes a first pipe portion 26 that constitutes the discharge flow path 20 for the cleaning liquid and a second pipe portion 27 that constitutes the nozzle-side suction flow path 21.
  • the second tube portion 27 is located on the side of the tube 26, and the center axis of the first tube portion 26 and the center axis of the second tube portion 27 are substantially parallel to each other. It is composed of that.
  • Reference numeral 23 in the figure denotes a soft plastic nozzle cover attached to the tip of the nozzle body 2, that is, the side directed to the wound portion. In the nozzle cover 23, the nozzle side The starting end 21a (primary side) of the suction channel 21 is positioned. On the base 22 side of the nozzle body 2, the step 22a and the cam surface 22b are formed outside the first pipe portion 26 (see FIG. 11).
  • the main body 1 is provided with a start end 3a of the suction channel 3 communicating with the terminal end 21b (secondary side) of the nozzle side suction channel 21 at the time of the combination.
  • the suction connector 12 functions as the start end 3 a of the suction flow path 3. Specifically, in the illustrated example, at the time of the combination, the suction connector 12 enters the nozzle side suction channel 21 from the rear, and thereby the suction channel 3 is inserted into the terminal end 21 b of the nozzle side suction channel 21. The starting end 3a is communicated.
  • the suction connector 12 has a cylindrical shape, and a tube 6a serving as the suction flow path 3 in the main body 1 is connected to a rear end portion 12a positioned in the main body 1 (see FIG. 3).
  • the start end 3 a of the suction flow path 3 in the illustrated example, the front end portion 12 b positioned outside the main body 1 of the suction connector 12.
  • a filter portion 19 is formed to prevent entry of bone fragments or the like having a size that may cause clogging of the suction flow path 3.
  • the front end portion 12b of the suction connector 12 has a circular cross section and is divided into four parts by two partitions 19a and 19a that intersect at right angles at the center of the circle (see FIG. 8). This prevents a situation where a bone fragment or the like of the size enters the suction flow path 3. That is, in this embodiment, the filter section 19 is constituted by the two partition members 19a and 19a.
  • the filter unit 19 may be of any structure that prevents the entry of bone fragments or the like having a size that may cause clogging of the suction flow path 3, for example, the start end of the suction flow path 3. Any structure may be used as long as it has a function of preventing entry of such bone fragments, such as a mesh that closes the wall.
  • a bone fragment or the like contained in the cleaning liquid to be sucked does not enter the suction flow path 3 and remains in the nozzle side suction flow path 21 of the nozzle body 2.
  • Bone fragments or the like remaining in the nozzle side suction channel 21 can be removed from the nozzle body 2 by removing the nozzle body 2 from the main body 1.
  • a reservoir 28 such as a bone fragment is formed at the end 21b of the nozzle side suction channel 21 (see FIGS. 3 and 4).
  • the storage portion 28 is located on the side of the central axis of the linear first flow path 29 having the start end 29a as the start end 21a of the nozzle side suction flow path 21.
  • a first end 30a is communicated with the end 29b of the first channel 29, and the end 30b is formed by a linear second channel 30 having the end 21b of the nozzle side suction channel 21 (see FIG. 4).
  • the suction connector 12 enters from the rear to the middle position in the length direction of the second flow path 30, and the front end portion 12 b of the suction connector 12 and the second flow path A space between 30 and the start end 30a functions as the storage section 28 (see FIG. 4).
  • the present invention is not limited to the embodiment described above, but includes all embodiments that can achieve the object of the present invention.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

La présente invention est configurée de telle sorte qu'un canal d'écoulement de décharge de liquide de nettoyage et un canal d'écoulement d'aspiration côté buse sont disposés l'un à côté de l'autre dans un corps de buse assemblé de manière amovible avec un corps principal, et le liquide de nettoyage soufflé sur une zone de plaie est aspiré par le canal d'écoulement d'aspiration côté buse. Une extrémité de départ d'un canal d'écoulement d'aspiration en communication avec une extrémité terminale du canal d'écoulement d'aspiration côté buse est fournie au corps principal pendant l'assemblage. Une partie filtre est formée dans l'extrémité de départ du canal d'écoulement d'aspiration afin d'empêcher l'entrée de fragments osseux ou analogues d'une taille qui pourrait conduire à l'obstruction du canal d'écoulement d'aspiration.
PCT/JP2017/008167 2017-03-01 2017-03-01 Dispositif de nettoyage d'une zone de plaie WO2018158889A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/JP2017/008167 WO2018158889A1 (fr) 2017-03-01 2017-03-01 Dispositif de nettoyage d'une zone de plaie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/008167 WO2018158889A1 (fr) 2017-03-01 2017-03-01 Dispositif de nettoyage d'une zone de plaie

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109481754A (zh) * 2018-12-25 2019-03-19 朱成伟 一种神经外科临床防积血引流手术装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752459A (en) * 1980-07-14 1982-03-27 Jiee Aburamuson Danieru Surgical drain
WO1993025139A1 (fr) * 1992-06-18 1993-12-23 Nikomed Aps Instrument et ensemble a usage chirurgical
US5549547A (en) * 1992-10-09 1996-08-27 Symbiosis Corporation Flexible tube having a tapered diameter portion for use with endoscopic irrigation instruments
JP3069161B2 (ja) * 1991-07-26 2000-07-24 オリンパス光学工業株式会社 超音波処置装置
JP2001503649A (ja) * 1996-06-18 2001-03-21 シー・アール・バード・インク 吸引洗浄用ハンドピース及びチップ
WO2002089722A1 (fr) * 2001-04-27 2002-11-14 Nagashima Medical Instruments Co., Ltd Dispositif medical de rinçage et d'aspiration
US20030003672A1 (en) * 1996-01-22 2003-01-02 Lane Richard H. High-pressure anneal process for integrated circuits
US20080319379A1 (en) * 2004-10-14 2008-12-25 Bidoia S.A.S. Di Gianfranco Bidoia E C. Surgical irrigator
JP5735524B2 (ja) * 2009-11-06 2015-06-17 ジェイムズ ビー． スティール， 自ら詰まりを除去するように作動される外科手術用吸引ワンド

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752459A (en) * 1980-07-14 1982-03-27 Jiee Aburamuson Danieru Surgical drain
JP3069161B2 (ja) * 1991-07-26 2000-07-24 オリンパス光学工業株式会社 超音波処置装置
WO1993025139A1 (fr) * 1992-06-18 1993-12-23 Nikomed Aps Instrument et ensemble a usage chirurgical
US5549547A (en) * 1992-10-09 1996-08-27 Symbiosis Corporation Flexible tube having a tapered diameter portion for use with endoscopic irrigation instruments
US20030003672A1 (en) * 1996-01-22 2003-01-02 Lane Richard H. High-pressure anneal process for integrated circuits
JP2001503649A (ja) * 1996-06-18 2001-03-21 シー・アール・バード・インク 吸引洗浄用ハンドピース及びチップ
WO2002089722A1 (fr) * 2001-04-27 2002-11-14 Nagashima Medical Instruments Co., Ltd Dispositif medical de rinçage et d'aspiration
US20080319379A1 (en) * 2004-10-14 2008-12-25 Bidoia S.A.S. Di Gianfranco Bidoia E C. Surgical irrigator
JP5735524B2 (ja) * 2009-11-06 2015-06-17 ジェイムズ ビー． スティール， 自ら詰まりを除去するように作動される外科手術用吸引ワンド

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109481754A (zh) * 2018-12-25 2019-03-19 朱成伟 一种神经外科临床防积血引流手术装置

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