DE69634648D1 - Vorrichtung die das Lösen von Schrauben in einer Kochenplatte verhindert - Google Patents

Vorrichtung die das Lösen von Schrauben in einer Kochenplatte verhindert

Info

Publication number
DE69634648D1
DE69634648D1 DE69634648T DE69634648T DE69634648D1 DE 69634648 D1 DE69634648 D1 DE 69634648D1 DE 69634648 T DE69634648 T DE 69634648T DE 69634648 T DE69634648 T DE 69634648T DE 69634648 D1 DE69634648 D1 DE 69634648D1
Authority
DE
Germany
Prior art keywords
loosening
screws
prevents
cooking plate
cooking
Prior art date
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.)
Expired - Fee Related
Application number
DE69634648T
Other languages
English (en)
Other versions
DE69634648T2 (de
Inventor
Bradley T Estes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SDGI Holdings Inc
Original Assignee
SDGI Holdings Inc
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 SDGI Holdings Inc filed Critical SDGI Holdings Inc
Publication of DE69634648D1 publication Critical patent/DE69634648D1/de
Application granted granted Critical
Publication of DE69634648T2 publication Critical patent/DE69634648T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8033—Cortical 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
    • A61B17/8047—Cortical 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/909—Fastener or fastener element composed of thermo-responsive memory material

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
DE69634648T 1995-06-07 1996-05-28 Vorrichtung die das Lösen von Schrauben in einer Kochenplatte verhindert Expired - Fee Related DE69634648T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/477,296 US5578034A (en) 1995-06-07 1995-06-07 Apparatus for preventing screw backout in a bone plate fixation system
US477296 1995-06-07

Publications (2)

Publication Number Publication Date
DE69634648D1 true DE69634648D1 (de) 2005-05-25
DE69634648T2 DE69634648T2 (de) 2006-03-02

Family

ID=23895335

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69627890T Expired - Fee Related DE69627890T2 (de) 1995-06-07 1996-05-28 Vorrichtung die das lösen von schrauben in einer knochenplatte verhindert
DE69634648T Expired - Fee Related DE69634648T2 (de) 1995-06-07 1996-05-28 Vorrichtung die das Lösen von Schrauben in einer Kochenplatte verhindert

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69627890T Expired - Fee Related DE69627890T2 (de) 1995-06-07 1996-05-28 Vorrichtung die das lösen von schrauben in einer knochenplatte verhindert

Country Status (6)

Country Link
US (1) US5578034A (de)
EP (2) EP1336383B1 (de)
AU (1) AU5935096A (de)
DE (2) DE69627890T2 (de)
WO (1) WO1996039975A1 (de)
ZA (1) ZA964859B (de)

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* Cited by examiner, † Cited by third party
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EP0876128A4 (de) 1998-11-11
WO1996039975A1 (en) 1996-12-19
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AU5935096A (en) 1996-12-30
EP0876128B1 (de) 2003-05-02
EP0876128A1 (de) 1998-11-11
US5578034A (en) 1996-11-26
DE69634648T2 (de) 2006-03-02
ZA964859B (en) 1997-01-07
EP1336383B1 (de) 2005-04-20
DE69627890T2 (de) 2004-03-11

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