JPH02500490A - - Google Patents

Info

Publication number
JPH02500490A
JPH02500490A JP50672287A JP50672287A JPH02500490A JP H02500490 A JPH02500490 A JP H02500490A JP 50672287 A JP50672287 A JP 50672287A JP 50672287 A JP50672287 A JP 50672287A JP H02500490 A JPH02500490 A JP H02500490A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP50672287A
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 to CH470786A priority Critical patent/CH669105A5/en
Priority to CH35387A priority patent/CH672245A5/en
Application filed filed Critical
Publication of JPH02500490A publication Critical patent/JPH02500490A/ja
Application status is Pending legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8033Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
    • A61B17/8038Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers the additional component being inserted in the screw head
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8033Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
    • A61B17/8047Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers wherein the additional element surrounds the screw head in the plate hole
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/8605Heads, i.e. proximal ends projecting from bone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7059Cortical plates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • A61B17/8071Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones for the jaw
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/8695Washers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surfaces, e.g. coating for improving bone ingrowth
JP50672287A 1986-11-25 1987-11-25 Pending JPH02500490A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH470786A CH669105A5 (en) 1986-11-25 1986-11-25 Inner osteosynthesis fastener with bone screws
CH35387A CH672245A5 (en) 1987-02-02 1987-02-02 Inner osteosynthesis fastener with bone screws

Publications (1)

Publication Number Publication Date
JPH02500490A true JPH02500490A (en) 1990-02-22

Family

ID=25684311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50672287A Pending JPH02500490A (en) 1986-11-25 1987-11-25

Country Status (3)

Country Link
EP (1) EP0293411A1 (en)
JP (1) JPH02500490A (en)
WO (1) WO1988003781A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001140919A (en) * 1999-10-07 2001-05-22 Howmedica Osteonics Corp Screw assembly for stem and coupling element therefor
WO2007043149A1 (en) * 2005-10-05 2007-04-19 Homs Engineering Inc. Implant for bone conjugation and method of producing the same
JP2009056288A (en) * 2007-06-21 2009-03-19 Newdeal Fixation kit for medical or surgical use

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7452359B1 (en) 1988-06-13 2008-11-18 Warsaw Orthopedic, Inc. Apparatus for inserting spinal implants
US5015247A (en) 1988-06-13 1991-05-14 Michelson Gary K Threaded spinal implant
SE466936B (en) * 1989-04-25 1992-05-04 Branemark Per Ingvar Foerankringselement Foer uppbaerande of prostheses
US5275601A (en) * 1991-09-03 1994-01-04 Synthes (U.S.A) Self-locking resorbable screws and plates for internal fixation of bone fractures and tendon-to-bone attachment
IT228979Y1 (en) * 1992-03-09 1998-06-05 Giannini Sandro Biodegradable Implants hindfoot pronation correction.
IT227861Y1 (en) * 1992-05-15 1998-01-21 Citieffe Srl Fiche for external fixators
EP0599847B1 (en) * 1992-06-25 1997-04-02 Synthes AG, Chur Osteosynthetic fixation device
FR2695026B1 (en) * 1992-08-25 1994-10-28 Alexandre Worcel Device for maintaining compression of a fractured bone.
ES2048671B1 (en) * 1992-09-07 1994-10-01 Alacreu Jose Vicente Barbera Cervical spinal fusion system.
US5534027A (en) * 1993-06-21 1996-07-09 Zimmer, Inc. Method for providing a barrier to the advancement of wear debris in an orthopaedic implant assembly
SE9402130D0 (en) * 1994-06-17 1994-06-17 Sven Olerud Apparatus and method for plate fixation of bones
US5681311A (en) * 1994-09-15 1997-10-28 Smith & Nephew, Inc. Osteosynthesis apparatus
JPH11504227A (en) * 1994-09-15 1999-04-20 スミス アンド ネフュー インコーポレーテッド Osteosynthesis devices
FR2726171B1 (en) * 1994-10-28 1997-01-24 Jbs Sa A rehabitable connecting screw for bone joint, intended in particular for stabilization of at least two vertebrae
SE509703C2 (en) * 1995-02-07 1999-03-01 Sven Olerud Two devices for locking two elements to each other implant
AU692846B2 (en) * 1995-03-27 1998-06-18 Synthes Gmbh Bone plate
US5520690A (en) * 1995-04-13 1996-05-28 Errico; Joseph P. Anterior spinal polyaxial locking screw plate assembly
DE69630957D1 (en) * 1995-07-13 2004-01-15 Fastenetix Llc Multiaxial locking mechanism
DE19545612C2 (en) * 1995-12-07 2001-08-30 Aesculap Ag & Co Kg Orthopedic retaining system
AU1997797A (en) * 1996-05-31 1997-12-04 Acromed Corporation An apparatus comprising a plate and a fastener for connecting the plate to a bone portion
FR2753368B1 (en) 1996-09-13 1999-01-08 Chauvin Jean Luc Cage expansive osteosynthesis
WO1998034556A1 (en) 1997-02-11 1998-08-13 Michelson Gary K Skeletal plating system
DE69832389T3 (en) * 1997-02-11 2009-09-24 Zimmer Spine, Inc., Minneapolis System for the front-verplattung of the halswirbelsäule
US6641614B1 (en) 1997-05-01 2003-11-04 Spinal Concepts, Inc. Multi-variable-height fusion device
US5954722A (en) * 1997-07-29 1999-09-21 Depuy Acromed, Inc. Polyaxial locking plate
US6454769B2 (en) 1997-08-04 2002-09-24 Spinal Concepts, Inc. System and method for stabilizing the human spine with a bone plate
PT1079753E (en) 1998-05-19 2004-05-31 Synthes Ag Osteosintetic implant with a boiled rotation board
CA2341305A1 (en) * 1998-08-21 2000-03-02 Synthes (U.S.A.) Bone-anchoring element with snap-in spherical head
CA2341232C (en) 1998-08-21 2007-06-26 Synthes (U.S.A.) Self-cutting hollow cylindrical bone anchoring element
US6331179B1 (en) 2000-01-06 2001-12-18 Spinal Concepts, Inc. System and method for stabilizing the human spine with a bone plate
CA2407009C (en) 2000-04-19 2007-01-23 Synthes (U.S.A.) Device for the articulated connection of two bodies
AU2005202099B2 (en) * 2000-05-01 2007-06-07 Arthrosurface, Incorporated System and method for joint resurface repair
US8177841B2 (en) 2000-05-01 2012-05-15 Arthrosurface Inc. System and method for joint resurface repair
US6520964B2 (en) 2000-05-01 2003-02-18 Std Manufacturing, Inc. System and method for joint resurface repair
US8388624B2 (en) 2003-02-24 2013-03-05 Arthrosurface Incorporated Trochlear resurfacing system and method
US6610067B2 (en) 2000-05-01 2003-08-26 Arthrosurface, Incorporated System and method for joint resurface repair
US6485491B1 (en) * 2000-09-15 2002-11-26 Sdgi Holdings, Inc. Posterior fixation system
US6776781B1 (en) * 2000-09-28 2004-08-17 Farihan Renno Spinal-column buttress plate assembly and method for attachment
DE10055888C1 (en) 2000-11-10 2002-04-25 Biedermann Motech Gmbh Bone screw, has connector rod receiving part with unsymmetrically arranged end bores
GB2375051B (en) * 2001-05-02 2005-04-06 Biomet Merck Ltd Swivel coupling
US6974460B2 (en) 2001-09-14 2005-12-13 Stryker Spine Biased angulation bone fixation assembly
US6755833B1 (en) 2001-12-14 2004-06-29 Kamaljit S. Paul Bone support assembly
US7001389B1 (en) 2002-07-05 2006-02-21 Navarro Richard R Fixed and variable locking fixation assembly
NL1021137C2 (en) * 2002-07-23 2004-01-27 Fondel Finance B V Support element for attachment to bone.
DE10246386B4 (en) 2002-10-04 2008-08-07 Biedermann Motech Gmbh Bone screw, bone fixation device and retaining element
EP1567071B1 (en) 2002-11-19 2012-05-30 Acumed LLC Adjustable bone plates
EP1765201A4 (en) 2004-06-28 2013-01-23 Arthrosurface Inc System for articular surface replacement
US7828853B2 (en) 2004-11-22 2010-11-09 Arthrosurface, Inc. Articular surface implant and delivery system
EP1845890A4 (en) 2003-11-20 2010-06-09 Arthrosurface Inc System and method for retrograde procedure
EP1433426A1 (en) * 2002-12-24 2004-06-30 JB Spine Instruments, S.l. Posterior vertebral body fastening device in the lumbar region
US7951176B2 (en) 2003-05-30 2011-05-31 Synthes Usa, Llc Bone plate
NZ545392A (en) 2003-08-26 2008-03-28 Synthes Gmbh Bone plate
WO2005023127A1 (en) 2003-09-08 2005-03-17 Synthes Ag Chur Bone fixing device
US9615866B1 (en) 2004-10-18 2017-04-11 Nuvasive, Inc. Surgical fixation system and related methods
JP4398429B2 (en) 2003-10-30 2010-01-13 ジンテーズ ゲゼルシャフト ミト ベシュレンクテル ハフツング Bone plate
EP1691698A4 (en) * 2003-12-12 2008-12-17 Integra Lifesciences Corp Apparatuses, systems and methods for bone fixation
US7637928B2 (en) 2004-01-26 2009-12-29 Synthes Usa, Llc Variable angle locked bone fixation system
US8574268B2 (en) 2004-01-26 2013-11-05 DePuy Synthes Product, LLC Highly-versatile variable-angle bone plate system
US7740649B2 (en) 2004-02-26 2010-06-22 Pioneer Surgical Technology, Inc. Bone plate system and methods
US8900277B2 (en) 2004-02-26 2014-12-02 Pioneer Surgical Technology, Inc. Bone plate system
US7311712B2 (en) * 2004-02-26 2007-12-25 Aesculap Implant Systems, Inc. Polyaxial locking screw plate assembly
US7963981B2 (en) * 2004-04-19 2011-06-21 Globus Medical, Inc. Bone fixation plate
KR100612621B1 (en) * 2004-07-07 2006-08-14 주식회사 지에스메디칼 Pedicle Screw Assembly and Transconnector for Coupling Rods Therein
WO2006034436A2 (en) 2004-09-21 2006-03-30 Stout Medical Group, L.P. Expandable support device and method of use
DE102004050040A1 (en) 2004-10-08 2006-04-20 Aesculap Ag & Co. Kg bone screw
US7736380B2 (en) * 2004-12-21 2010-06-15 Rhausler, Inc. Cervical plate system
US20060235409A1 (en) 2005-03-17 2006-10-19 Jason Blain Flanged interbody fusion device
US7883531B2 (en) 2005-07-06 2011-02-08 Stryker Spine Multi-axial bone plate system
WO2007009107A2 (en) 2005-07-14 2007-01-18 Stout Medical Group, P.L. Expandable support device and method of use
US7766946B2 (en) 2005-07-27 2010-08-03 Frank Emile Bailly Device for securing spinal rods
US7320555B2 (en) * 2005-10-14 2008-01-22 Sercomm Corporation Cardan shaft structure with tightness adjustable functions
US8021369B2 (en) 2006-06-12 2011-09-20 Howmedica Osteonics Corp. Navigated femoral neck resection guide and method
WO2008073404A2 (en) 2006-12-11 2008-06-19 Arthrosurface Incorporated Retrograde resection apparatus and method
US8480715B2 (en) 2007-05-22 2013-07-09 Zimmer Spine, Inc. Spinal implant system and method
US8361126B2 (en) 2007-07-03 2013-01-29 Pioneer Surgical Technology, Inc. Bone plate system
WO2009006604A1 (en) 2007-07-03 2009-01-08 Pioneer Surgical Technology, Inc. Bone plate system
EP2262448A4 (en) 2008-03-03 2014-03-26 Arthrosurface Inc Bone resurfacing system and method
US8480716B2 (en) 2008-04-25 2013-07-09 Pioneer Surgical Technology, Inc. Bone plate system
US20100211176A1 (en) 2008-11-12 2010-08-19 Stout Medical Group, L.P. Fixation device and method
US9220547B2 (en) 2009-03-27 2015-12-29 Spinal Elements, Inc. Flanged interbody fusion device
US9662126B2 (en) 2009-04-17 2017-05-30 Arthrosurface Incorporated Glenoid resurfacing system and method
EP2429429B1 (en) 2009-04-17 2018-07-25 Arthrosurface Incorporated Glenoid resurfacing system
USD754857S1 (en) 2009-10-14 2016-04-26 Nuvasive, Inc. Bone plate
US8568417B2 (en) 2009-12-18 2013-10-29 Charles River Engineering Solutions And Technologies, Llc Articulating tool and methods of using
US9149286B1 (en) 2010-11-12 2015-10-06 Flexmedex, LLC Guidance tool and method for use
US9066716B2 (en) 2011-03-30 2015-06-30 Arthrosurface Incorporated Suture coil and suture sheath for tissue repair
EP2747682A4 (en) 2011-08-23 2015-01-21 Flexmedex Llc Tissue removal device and method
WO2013049849A2 (en) 2011-09-30 2013-04-04 Acute Innovations, Llc, An Oregon Limited Liability Company Bone fixation system with opposed mounting portions
US9241807B2 (en) 2011-12-23 2016-01-26 Pioneer Surgical Technology, Inc. Systems and methods for inserting a spinal device
US9237910B2 (en) 2012-01-26 2016-01-19 Acute Innovations Llc Clip for rib stabilization
WO2014008126A1 (en) 2012-07-03 2014-01-09 Arthrosurface Incorporated System and method for joint resurfacing and repair
US9492200B2 (en) 2013-04-16 2016-11-15 Arthrosurface Incorporated Suture system and method
FR3008886B1 (en) * 2013-07-29 2015-09-11 Medacta Int Sa Acetabular component for hip prosthesis of reconstruction of hip joint
US9962265B2 (en) 2014-03-07 2018-05-08 Arthrosurface Incorporated System and method for repairing articular surfaces
EP3151788A4 (en) 2014-06-04 2018-01-17 Wenzel Spine, Inc. Bilaterally expanding intervertebral body fusion device
EP3164093A4 (en) 2014-07-03 2018-04-18 Acumed LLC Bone plate with movable joint

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254298B3 (en) * 1973-12-18 1976-10-22 Chatin Robert
CH648197A5 (en) * 1980-05-28 1985-03-15 Synthes Ag Implant and its fixing screws to a bone serving.
CH645264A5 (en) * 1980-05-28 1984-09-28 Straumann Inst Ag Means having a plate and screws for their fixing to a bone serving.
DE8610858U1 (en) * 1986-04-21 1986-06-12 Wolter, Dietmar, Prof. Dr., 2000 Hamburg, De

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001140919A (en) * 1999-10-07 2001-05-22 Howmedica Osteonics Corp Screw assembly for stem and coupling element therefor
JP4594509B2 (en) * 1999-10-07 2010-12-08 ストライカー・スピン Stem screw assembly
WO2007043149A1 (en) * 2005-10-05 2007-04-19 Homs Engineering Inc. Implant for bone conjugation and method of producing the same
JP2009056288A (en) * 2007-06-21 2009-03-19 Newdeal Fixation kit for medical or surgical use

Also Published As

Publication number Publication date
WO1988003781A1 (en) 1988-06-02
EP0293411A1 (en) 1988-12-07

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