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WO1996013221A2 - Appareil et procede pour obturer une ouverture sinusale lors d'une intervention destinee a la pose d'un implant dentaire - Google Patents

Appareil et procede pour obturer une ouverture sinusale lors d'une intervention destinee a la pose d'un implant dentaire Download PDF

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Publication number
WO1996013221A2
WO1996013221A2 PCT/US1995/014263 US9514263W WO9613221A2 WO 1996013221 A2 WO1996013221 A2 WO 1996013221A2 US 9514263 W US9514263 W US 9514263W WO 9613221 A2 WO9613221 A2 WO 9613221A2
Authority
WO
WIPO (PCT)
Prior art keywords
balloon
bone
sinus
resorbable
opening
Prior art date
Application number
PCT/US1995/014263
Other languages
English (en)
Inventor
Leonard I. Linkow
Original Assignee
Linkow Leonard I
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 Linkow Leonard I filed Critical Linkow Leonard I
Priority to AU41436/96A priority Critical patent/AU4143696A/en
Publication of WO1996013221A2 publication Critical patent/WO1996013221A2/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A61F2/2875—Skull or cranium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30721—Accessories
    • A61F2/30749—Fixation appliances for connecting prostheses to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools for implanting artificial joints
    • A61F2/4601—Special tools for implanting artificial joints for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A61F2/2875—Skull or cranium
    • A61F2002/2889—Maxillary, premaxillary or molar implants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
    • A61F2002/30622—Implant for fusing a joint or bone material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0008—Fixation appliances for connecting prostheses to the body

Definitions

  • This invention relates to apparatus and a method of augmenting the maxilla of a candidate for a dental implant by filling part of the patient's maxillary sinus cavity with bone and, more particularly, to a device that closes the sinus cavity when the
  • Schneiderian membrane is torn during surgery intended to lift the membrane from the floor of the sinus cavity and add bone under the membrane.
  • maxillary sinuses of a person are located on each side of the maxilla between the canine eminence and the tuberosity.
  • the lowest point of the sinus floor usually lies superior to the first molar and the second premolar.
  • maxillary sinus shapes vary greatly from one side of a person's face to the other, and from individual to individual.
  • the maxillary sinuses grow at the expense of the bone. Also, disease may cause reso ⁇ tion of the bone surrounding the sinus. When bone loss occurs between the sinus floor and the dental arch, the feasibility of using maxillary dental implants is decreased.
  • Dental or oral implants are blades or screws with attached posts. These implants are surgically implanted in a patient's mandible or maxilla along the occlusal plane. The implantation is achieved by exposing the bone with an incision through the gum tissue and creating a groove or bore in the bone with a burr or drill. The implant blade is then wedged into the groove or bore so that the post protrudes. Then the tissue is sutured about the bone and the base of the post. Finally, the post is used to mount an artificial dental appliance, such as a bridge. This procedure can be carried out in stages over several months.
  • a patient with an enlarged maxillary sinus has little bone in the maxillary dental arch for accommodating the insertion of an implant. Consequently, the implantation procedure may result in the penetration of the Schneiderian membrane on the sinus floor and the sinus itself. This may promote sinus infection and may result in the implant being only loosely held in the remaining bone, so that it fails to function effectively as a support for artificial teeth.
  • U.S. Patent No. 4,521,192 of the present inventor there is suggested a technique for lifting the Schneiderian membrane and locating bone fragments beneath it in order to thicken the bone at the sinus floor by regrowth of new bone around the inserted the bone fragments. According to this suggestion, an implant is used which has a basket or cradle built into the blade portion.
  • This basket is open toward the groove in the patient's bone and is filled with bone chips or fragments. Consequently, when the blade is wedged in the groove, the basket is moved to the base of the groove which, if the Schneiderian membrane is exposed, pushes the membrane upward into the maxillary sinus cavity.
  • a bone chip container which is adjustably secured to the implant is used for installing the implant in the maxilla of a patient in which the bone of the dental arch in an edentulous span is thin because of a descending maxillary sinus.
  • an edentulous area of the dental arch of the maxilla is exposed.
  • a groove is made in the bone mesial and distal to the floor of the sinus, and up to the Schneiderian membrane, which membrane lies on the floor of the maxillary sinus.
  • a larger opening is made through the bone toward the center of the groove. Then an especially designed sinus lift implant is installed in the groove.
  • the sinus lift implant has a container which is open at one side such that it is in the form of a cradle or basket.
  • the basket has a size such that it can pass through the opening at the center of the groove made in the bone.
  • Threaded apertures are located in the bottom of the basket of the blade and threaded shafts engage these apertures.
  • the blade or base portion of the implant is narrow, at least at its ends, so that it can be wedged tightly in a portion of the groove in the bone at such a depth such that the base does not extend downwardly from the maxilla beyond the existing bone of the dental arch.
  • One or more posts project downwardly from the base and can be used to mount an artificial tooth structure from the maxilla.
  • the open basket is filled with bone chips, either natural or artificial.
  • the basket is passed up into the large opening in the maxilla below the Schneiderian membrane.
  • the blade portions (mesial and distal) to the basket are then tapped into place so that the implant is wedged in the groove and the basket is at least flush with the alveolar crest.
  • Access to the ends of the threaded shafts are provided through the bottom of the apertures in the base so that the shafts can be rotated. Rotation of these shafts raises, lowers or tilts the basket to redefine the shape and thickness of the sinus floor.
  • the basket is then moved high into the maxillary sinus, although still below the Schneiderian membrane. Its base is now well above the alveolar crest so that it is easy to suture close the tissues beneath it. Once in position, the gum tissue is sutured closed over the base portion.
  • new bone will grow and fuse with the surrounding bone and chips. This results in a thicker bone area enclosing the implant and a reduction in the size of the sinus.
  • the artificial tooth structure is mounted on the post of the implant, which post protrudes beyond the gum tissue.
  • the posts themselves can be made independently from the implant itself, thus allowing the implant to be completely submerged during the healing process.
  • the present invention is directed to eliminating the need to halt a sinus lift operation when the Schneiderian membrane is torn, by inserting a balloon into the opening in the torn membrane and essentially using it to create a cavity into which bone fragments are inserted for the purpose of augmenting the maxilla so it can better support a dental implant.
  • a tiny balloon e.g. a finger type balloon
  • the lips of the balloon are glued to the bony walls of the crestal bone which surround the central opening.
  • a small air pump may be inserted inside of the balloon and is used to pump it up so it can closely adapt to the inner walls of the sinus.
  • bone from the iliac crest, freeze dried bone, bone from the symphysis, synthetic bone such as calcite (non-resorbable) and osteogen (resorbable) hydroxyapatite, as well as any other acceptable bone elements are syringed into the balloon as the air pressure is eliminated. Enough of the bone elements are syringed into the balloon as is necessary to achieve the desired mo ⁇ hological shape of the sinus walls.
  • the bone does not fill up the entire sinus at any time.
  • the reason for inserting the air in the balloon is only to give shape to the balloon and make it easier to introduce of the bone elements.
  • helium or some other gas may be used to inflate the balloon and in some instances inflation may not be necessary at all.
  • Fig. 1 is a schematic view of the face of a patient with a low maxillary sinus showing a portion transparent so that mandible and maxillary bones, the teeth and the maxillary sinus cavity are visible;
  • Fig. 2 is a view similar to Fig. 1, but showing the removal of maxillary bone and the tearing of the Schneiderian membrane during a sinus lift operation;
  • Fig. 3 is the same as Fig. 2, but illustrating a balloon useful in practicing the present invention
  • Fig. 4 shows the balloon of Fig. 3 inserted through a tear in the Schneiderian membrane and into the maxillary sinus cavity;
  • Fig. 5 illustrates the balloon in an inflated state in the sinus cavity;
  • Fig. 6 is a view of the balloon with bone fragments inserted;
  • Fig. 7 illustrates four root form implants installed in bone augmenting the maxilla as a result of a sinus lift operation according to the present invention.
  • Fig. 1 illustrates an enlarged descending maxillary sinus cavity 10 of a potential dental implant patient.
  • the descending portion 11 could be the result of disease it could be or congenital. Regardless of the cause, the effect is to produce a very small amount of bone between the sinus cavity 10 and the alveolar ridge crest 13.
  • a root form or blade-type of dental implant is to be installed in an edentulous region in that vicinity, there is very little bone in which the implant can be anchored.
  • the interior of the sinus cavity 10 is covered with a membrane known as the Schneiderian membrane.
  • a membrane known as the Schneiderian membrane During a sinus lift operation an incision is made in the tissue covering the alveolar ridge crest 13. The tissue is then reflected to expose the underlying maxillary bone. Then using a dental drill a channel 14 is created in the bone from the surface of the ridge crest 13 to the cavity 10 as shown in Fig. 2. During this process, care must be taken to avoid tearing the Schneiderian membrane 16 which covers the floor of the sinus cavity 10. The Schneiderian membrane is, however, separated from the floor of the sinus cavity and is lifted upward into the cavity. Various means are then used to pack bone chips into the lower area 11 underneath the Schneiderian membrane, which membrane acts to prevent bacteria from traveling from the site of the implant into the sinus cavity.
  • the Schneiderian membrane 16 may be torn. If an attempt were made to lift the sinus floor by inserting bone chips into channel 14, problems would arise. First, there would be nothing to prevent the bone fragments from entering into the cavity 10 and rattling around freely in the cavity. Second, bacteria and other germs could enter the cavity through the channel
  • the tissue covering ridge 13 is returned to its normal position and stitched in place, it will cover over the lips 21 of the balloon 20.
  • Figs. 1-7 represents only a portion of the cavity at a particular cross section. Just above the alveolar ridge crest the cavity actually extends beyond the dotted area in the mesial or distal direction, as well in a bucco-lingual direction as shown by the balloon 20 in Fig. 5.
  • bone fragments 22 are syringed into the interior of the balloon and eventually act to displace the air in the balloon (Fig. 6). This process is continued until the lower portion of the sinus cavity 11 and the channel 14 are filled with bone chips.
  • the top portion of the balloon acts as a new raised sinus floor under which the new bone 22 is deposited.
  • These bone fragments may be bone from the iliac crest, freeze dried bone from the symphysis, or synthetic bone such as calcite
  • catheters used for balloon angioplasty which are ideal for use in the present invention.
  • the catheter allows the balloon at its end to be inserted in the channel. Further, it already has a source of gas, e.g. helium, for inflating the balloon if necessary.
  • a source of gas e.g. helium
  • the channel 14 at the surface of the ridge adjacent the balloon lips 21 may be closed with a cap and the tissue of the ridge crest sutured back into place.
  • the balloon will dissolve and new bone will grow under the raised sinus floor using the bone fragments as starting points. The end result will be an augmented maxilla suitable for implantation.
  • the balloon may also be formed in two parts where the upper part is non- resorbable and the lower part leading to the lips is resorbable. In such a situation, the balloon continues to act as a Schneiderian membrane even after the lower portion has dissolved, allowing new bone to grow underneath it.
  • the tissue covering the alveolar ridge crest 13 may again be opened and this time dental implants, for example, blades or root-form implants 30, may be inserted into the new bone in such a manner that they support artificial teeth 31 in the edentulous region. This is shown in Fig. 7.
  • the balloon for use in the present invention may be manufactured from various types of material. These materials can be slowly resorbable and elastic, inert and acceptable biocompatably with the bone in the area.
  • the material can be similar to Gortex except that it should be resorbable, such as polylactate.
  • the material can be elastic inert and non-resorbable as described above.
  • the entire balloon could be non-resorbable and could remain in place to support the material bone that is within it. Whether the balloon is resorbable or non-resorbable will have an effect on the future reestablishment of a Schneiderian membrane. For example, if the balloon remains in place the Schneiderian membrane may not grow over it.
  • the preferred embodiment is to use a slowly resorbable balloon material for two reasons:
  • the Schneiderian membrane while present, may stimulate or irritate the mucus membrane of the nose cavity to regenerate a new Schneiderian membrane by the time it resorbes.
  • Bovine collagen Other materials which can be used for the balloon include Bovine collagen; polyethylene; resorbable Polylactic acid; resorbable lactic acid used with an elastic (resorbable or non resorbable) membrane that is sufficiently permeable to allow blood and nutrients to enter into the balloon by osmosis and contact the bone within, which promotes the growth of this bone.
  • Calcitek absorbable collagen or Hematex by Bioplex Co. which is absorbable collagen hemostat can be used.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Neurosurgery (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Dental Prosthetics (AREA)

Abstract

L'invention concerne un appareil et un procédé permettant de poursuivre une opération de soulèvement sinusal, même en présence d'une déchirure de la membrane de Schneider tapissant le fond de la cavité sinusale. Un canal est pratiqué dans le maxillaire d'un patient dans une région édentée où un implant dentaire doit être posé. Un ballonnet est ensuite introduit dans ce canal de telle manière que son extrémité fermée s'étend dans la cavité sinusale, puis son extrémité ouverte ou ses lèvres sont adjacentes à l'extrémité ouverte du canal au niveau de la surface de la crête dentaire. Les lèvres sont alors fixées à la crête dentaire, par exemple avec un adhésif. Des copeaux et des fragments d'os sont insérés dans le ballonnet de telle manière qu'une partie inférieure de la cavité sinusale est remplie avec la partie du ballonnet contenant les copeaux d'os. L'insertion de ces derniers dans le ballonnet se poursuit jusqu'à ce que le canal menant à la crête dentaire soit complètement rempli de ces copeaux. La crête est alors refermée et un certain temps s'écoule afin de permettre aux fragments osseux de se souder les uns aux autres et à l'os environnant. Cela crée un supplément d'os dans la région édentée qui va recevoir les implants dentaires.
PCT/US1995/014263 1994-10-21 1995-10-23 Appareil et procede pour obturer une ouverture sinusale lors d'une intervention destinee a la pose d'un implant dentaire WO1996013221A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU41436/96A AU4143696A (en) 1994-10-21 1995-10-23 Apparatus and method for closing a sinus opening during a dental implant operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32745394A 1994-10-21 1994-10-21
US327,453 1994-10-21

Publications (1)

Publication Number Publication Date
WO1996013221A2 true WO1996013221A2 (fr) 1996-05-09

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PCT/US1995/014263 WO1996013221A2 (fr) 1994-10-21 1995-10-23 Appareil et procede pour obturer une ouverture sinusale lors d'une intervention destinee a la pose d'un implant dentaire

Country Status (2)

Country Link
AU (1) AU4143696A (fr)
WO (1) WO1996013221A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2383954A (en) * 2002-01-14 2003-07-16 Crawford Francis Gray Sinus prop
US8622739B2 (en) 2001-05-09 2014-01-07 Ben-Zion Karmon Method for enlarging a jaw bone using a hollow dental implant having a side perforation
US11045289B2 (en) 2015-12-29 2021-06-29 Ben Zion Karmon Devices and methods for elevating the Schneiderian membrane
US11819380B2 (en) 2016-10-13 2023-11-21 Ben Zion Karmon Devices for tissue augmentation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8622739B2 (en) 2001-05-09 2014-01-07 Ben-Zion Karmon Method for enlarging a jaw bone using a hollow dental implant having a side perforation
GB2383954A (en) * 2002-01-14 2003-07-16 Crawford Francis Gray Sinus prop
US11045289B2 (en) 2015-12-29 2021-06-29 Ben Zion Karmon Devices and methods for elevating the Schneiderian membrane
US11819380B2 (en) 2016-10-13 2023-11-21 Ben Zion Karmon Devices for tissue augmentation

Also Published As

Publication number Publication date
AU4143696A (en) 1996-05-23

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