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WO1997010767A1 - Cheville de fixation - Google Patents

Cheville de fixation Download PDF

Info

Publication number
WO1997010767A1
WO1997010767A1 PCT/DE1996/001744 DE9601744W WO9710767A1 WO 1997010767 A1 WO1997010767 A1 WO 1997010767A1 DE 9601744 W DE9601744 W DE 9601744W WO 9710767 A1 WO9710767 A1 WO 9710767A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixation
shaft part
implant according
section
pin
Prior art date
Application number
PCT/DE1996/001744
Other languages
German (de)
English (en)
Inventor
Dietmar Pennig
Original Assignee
Dietmar Pennig
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
Priority claimed from DE29515125U external-priority patent/DE29515125U1/de
Priority claimed from DE29519142U external-priority patent/DE29519142U1/de
Application filed by Dietmar Pennig filed Critical Dietmar Pennig
Publication of WO1997010767A1 publication Critical patent/WO1997010767A1/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
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0811—Fixation devices for tendons or ligaments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8605—Heads, i.e. proximal ends projecting from bone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8875—Screwdrivers, spanners or wrenches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/044—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors with a threaded shaft, e.g. screws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter
    • 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
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0805—Implements for inserting tendons or ligaments
    • 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
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0811—Fixation devices for tendons or ligaments
    • A61F2002/0847—Mode of fixation of anchor to tendon or ligament
    • A61F2002/0852—Fixation of a loop or U-turn, e.g. eyelets, anchor having multiple holes
    • 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
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0811—Fixation devices for tendons or ligaments
    • A61F2002/0876—Position of anchor in respect to the bone
    • A61F2002/0882—Anchor in or on top of a bone tunnel, i.e. a hole running through the entire bone
    • 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
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0811—Fixation devices for tendons or ligaments
    • A61F2002/0876—Position of anchor in respect to the bone
    • A61F2002/0888—Anchor in or on a blind hole or on the bone surface without formation of a tunnel

Definitions

  • an implant part to be inserted into the bone is created, which consists of a threaded part and a fixation section adjoining it, a hole preferably being provided in the fixation section, which allows the muscle strand, the Band or the tendon or the like on the fixation section allows.
  • the threaded part preferably has a fine thread
  • the connection section is also adjoined by a connection means at its end opposite the threaded part, which means that the implant can now be inserted into the bone using, for example, a drilling machine Connection means is important because the implant is to be drilled directly into the bone, i. H. it should not be pre-drilled, but to achieve a firm fit of the implant in the bone, this is done with the
  • the connecting means can be designed as a shaft part to which the drilling spindle connects or the connecting means is designed as an internal hex in the fixation section, but can also be designed as a polygonal part or a non-circular area on the shaft part or on the fixation section.
  • the shaft part closes z. B. on a predetermined breaking notch on the fixation section, so that after use of the shaft part this can be removed. But this can also be done
  • Shaft part consist of a material that enables cutting to length by cutting pliers or the like
  • the fixation section is essentially characterized by aids which allow the fixing of the soft tissue strand or the like. Preferably there are one in the fixation section
  • the invention relates to a fixation pin as a fixation implant, in particular a soft-tissue fixation implant for osteosynthesis work to fix muscles or the like on bones
  • the invention is based on the object of creating a fixation implant, in particular a soft-tissue fixation implant, which makes it possible to fix the muscle cord to the bone, in order to reduce the time required for the muscle growth and to ensure a secure position of the To guarantee muscle on the bone
  • an implant part to be inserted into the bone which consists of a threaded part and a fixation section adjoining it, a hole preferably being provided in the fixation section for fixing the muscle strand, the Band or the tendon or the like on the fixation section enables the threaded part preferably to have a fine thread, and in addition to the fixation section at its end opposite the threaded part there is a connecting means which now enables the implant to be used, for example, with a drilling machine can be inserted into the bone
  • This connecting means is important because the implant is to be drilled directly into the bone, i. H. it should not be pre-drilled, but to achieve a firm fit of the implant in the bone, this is done with the
  • the connecting means can be designed as a shaft part to which the drilling spindle connects or the connecting means is designed as an internal hex in the fixation section, but can also be designed as a polygonal part or a non-circular area on the shaft part or on the fixation section.
  • the shaft part closes z. B. on a predetermined breaking notch on the fixation section, so that after use of the shaft part this can be removed. But this can also be done
  • Shaft part consist of a material that enables cutting to length by cutting pliers or the like
  • the fixation section is essentially characterized by aids which allow the fixing of the soft tissue strand or the like.
  • aids which allow the fixing of the soft tissue strand or the like.
  • the thread of the threaded part is preferably designed as a fine thread, so that easy screwing in and thus secure fixing of the implant is ensured
  • a fixation pin has become known from DE 44 06 374, which has been used extensively in clinical use.
  • the fixation pin preferably has a self-drilling tip and a special thread for anchoring in the cancellous bone.
  • the fixation pins With its shaft part, the fixation pins are clamped in a three-jaw chuck of a drill and drilled into the bone fragment
  • the polished shaft part of the fixation pin is larger in diameter than the diameter of the thread, this so-called caliber jump of the fixation pin maintaining the interfragmentary pressure.
  • fixation pin is removed by means of a separate pin extractor.
  • the drilling machine is set relatively far from the threaded part
  • the invention is also based on the object to modify the fixation pin so that it is also possible to unscrew the fixation pin by means of a drilling machine, although the fixation pin does not protrude far beyond the skin or does not protrude at all from the outer skin
  • FIG. 4 shows that the fixation section 5 can be designed as a polygon, or FIG. 5 shows that the fixation section 5 is connected
  • Polygon 8 connects, which could be broken off or cut off after insertion of the implant 1. It is crucial that the implant consists of a threaded part and a fixation section and the fixation section is equipped with means to fix a soft tissue strand or the like to it
  • 6 and 7, 11 denotes a fixation pin which has a shaft part 12 to which a threaded part 13 is connected proximally. The transition from the threaded part 13 to the shaft part
  • the shaft part 12 is polygonal at its distal end
  • An adapter 14 adjoins the shaft part 12 distally, which - as shown in FIG. 7 - is designed at its proximal end to match the design of the shaft part 12
  • a drilling machine can now be connected to the component shown in FIG. 6, as a result of which the fixation pin with the threaded part and the relatively short shaft part into the is formed in
  • FIG. 5 shows an implant in which a polygon adjoins the fixation section in FIG
  • 1 denotes the implant, which consists of a threaded part 3 and a fixation section 5.
  • the threaded part 3 has a thread and is tapered at the end, the fixation section 5 having a bore 4 crossing the section, wherein two intersecting bores 4 can also be provided.
  • Others which allow a connection of the soft tissue strand
  • a shaft part 2 adjoins the fixation section 5, which can be used in the fastening chuck of a drilling machine.
  • Shaft part 2 adjoins the fixation section 5 with the interposition of a predetermined breaking notch 6, so that if the threaded part 3 is inserted into the bone (not shown in the drawing), the shaft part can be broken off.
  • the shaft part in the embodiment shown in FIG. 1 therefore has only the task of serving as a connecting means when inserting the threaded part 3 into the bone.
  • a conical diameter jump can be provided between the fixation section 5 and the threaded part 3.
  • the outside diameter of the fixation section 5 and the outside diameter of the threaded part 3 can be of the same order of magnitude
  • Threaded part 3 a fixation section 5, but that itself Has connecting means for a drilling machine, for example an internal hex, wherein a hexagon is then fixed in the fastening chuck of the drilling machine, which engages in the internal hex in the implant 1, so that the implant can be screwed into the bone
  • FIG. 4 shows that the fixation section 5 can be designed as a polygon, or FIG. 5 shows that the fixation section 5 is connected
  • Polygon 8 connects, which could be broken off or cut off after insertion of the implant 1. It is crucial that the implant consists of a threaded part and a fixation section and the fixation section is equipped with means to fix a soft tissue strand or the like to it
  • 6 and 7, 11 denotes a fixation pin which has a shaft part 12 to which a threaded part 13 is connected proximally. The transition from the threaded part 13 to the shaft part
  • the shaft part 12 is polygonal at its distal end
  • An adapter 14 adjoins the shaft part 12 distally, which - as shown in FIG. 7 - is designed at its proximal end to match the design of the shaft part 12
  • a drilling machine can now be connected to the component shown in FIG. 6, as a result of which the fixation pin with the threaded part and the relatively short shaft part into the Bone can then be screwed in.
  • the intermediate piece 14 is then removed. After healing, the intermediate piece 14 is reconnected to the correspondingly designed shaft part 12 and the fixation pin can be removed by rotating it backwards

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Vascular Medicine (AREA)
  • Neurology (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Rheumatology (AREA)
  • Rehabilitation Therapy (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne une cheville de fixation pourvue d'un moyen de raccordement pour une perceuse ou équivalent. La cheville de fixation peut notamment être utilisée comme implant de refixation des parties molles et est pourvue d'une section de fixation. Un composant intermédiaire peut être inséré sur la cheville de fixation, la partie tige ou la section de fixation n'étant pas rondes à leur extrémité distale et le composant intermédiaire étant adapté en conséquence.
PCT/DE1996/001744 1995-09-21 1996-09-11 Cheville de fixation WO1997010767A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE29515125.0 1995-09-21
DE29515125U DE29515125U1 (de) 1995-09-21 1995-09-21 Fixationsstift für Osteosynthesearbeiten
DE29518111.7 1995-11-15
DE29518111 1995-11-15
DE29519142.2 1995-12-02
DE29519142U DE29519142U1 (de) 1995-11-15 1995-12-02 Fixationsimplantat

Publications (1)

Publication Number Publication Date
WO1997010767A1 true WO1997010767A1 (fr) 1997-03-27

Family

ID=27219721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1996/001744 WO1997010767A1 (fr) 1995-09-21 1996-09-11 Cheville de fixation

Country Status (1)

Country Link
WO (1) WO1997010767A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000028906A1 (fr) * 1998-11-17 2000-05-25 Synthes Ag Chur Clou d'osteosynthese intramedullaire pour le traitement operatoire de fractures de l'avant bras
FR2788960A1 (fr) * 1999-02-02 2000-08-04 Europ Foot Platform Broche filetee
EP2292148A1 (fr) * 2009-09-04 2011-03-09 IST Innovative Shoulder Technology AG Système d'ancrage osseux

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4406374A1 (de) * 1993-03-25 1994-09-29 Pennig Dietmar Fixationsstift
US5411523A (en) * 1994-04-11 1995-05-02 Mitek Surgical Products, Inc. Suture anchor and driver combination
US5411506A (en) * 1994-04-11 1995-05-02 Mitek Surgical Products, Inc. Anchor driver

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4406374A1 (de) * 1993-03-25 1994-09-29 Pennig Dietmar Fixationsstift
US5411523A (en) * 1994-04-11 1995-05-02 Mitek Surgical Products, Inc. Suture anchor and driver combination
US5411506A (en) * 1994-04-11 1995-05-02 Mitek Surgical Products, Inc. Anchor driver

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000028906A1 (fr) * 1998-11-17 2000-05-25 Synthes Ag Chur Clou d'osteosynthese intramedullaire pour le traitement operatoire de fractures de l'avant bras
US6607531B2 (en) 1998-11-17 2003-08-19 Synthes (Usa) Medullary nail for the surgical treatment of forearm fractures
FR2788960A1 (fr) * 1999-02-02 2000-08-04 Europ Foot Platform Broche filetee
US6261292B1 (en) 1999-02-02 2001-07-17 European Foot Platform Threaded pin
EP2292148A1 (fr) * 2009-09-04 2011-03-09 IST Innovative Shoulder Technology AG Système d'ancrage osseux

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