DE20216048U1 - Fräskopfschraube - Google Patents

Fräskopfschraube

Info

Publication number
DE20216048U1
DE20216048U1 DE20216048U DE20216048U DE20216048U1 DE 20216048 U1 DE20216048 U1 DE 20216048U1 DE 20216048 U DE20216048 U DE 20216048U DE 20216048 U DE20216048 U DE 20216048U DE 20216048 U1 DE20216048 U1 DE 20216048U1
Authority
DE
Germany
Prior art keywords
conical section
screw
section
length
approximately
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 - Lifetime
Application number
DE20216048U
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE20216048U priority Critical patent/DE20216048U1/de
Publication of DE20216048U1 publication Critical patent/DE20216048U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8625—Shanks, i.e. parts contacting bone tissue
    • 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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8625—Shanks, i.e. parts contacting bone tissue
    • A61B17/863—Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B2017/1602—Mills

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)
  • Milling Processes (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (3)

1. Fräskopfschraube, gekennzeichnet durch einen konischen Teil (1) und einen Gewindeteil (2), wobei die Oberfläche des konischen Teils (1) mit Mitteln (3) zum Ausfräsen von Material versehen ist, und wobei die Länge des konischen Teils (1) etwa ein Drittel bis zur Hälfte der Gesamtlänge der Schraube beträgt.
2. Fräskopfschraube nach Anspruch 1, dadurch gekennzeichnet, daß der Winkel Alpha zwischen der Längsachse der Schraube und der Oberfläche des konischen Teils (1) zwischen 10 und 40 Grad beträgt.
3. Fräskopfschraube nach Anspruch 1 bis 2, dadurch gekennzeichnet, daß der konische Teil (1) am Schraubenkopf eine Krempe (4) aufweist.
DE20216048U 2001-11-16 2002-10-14 Fräskopfschraube Expired - Lifetime DE20216048U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20216048U DE20216048U1 (de) 2001-11-16 2002-10-14 Fräskopfschraube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20118734 2001-11-16
DE20216048U DE20216048U1 (de) 2001-11-16 2002-10-14 Fräskopfschraube

Publications (1)

Publication Number Publication Date
DE20216048U1 true DE20216048U1 (de) 2003-01-23

Family

ID=7964110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20216048U Expired - Lifetime DE20216048U1 (de) 2001-11-16 2002-10-14 Fräskopfschraube

Country Status (1)

Country Link
DE (1) DE20216048U1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1653871A2 (de) * 2003-08-11 2006-05-10 DePuy Spine, Inc. Ablenkungsschraube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1653871A2 (de) * 2003-08-11 2006-05-10 DePuy Spine, Inc. Ablenkungsschraube
EP1653871A4 (de) * 2003-08-11 2008-07-09 Depuy Spine Inc Ablenkungsschraube
US7708766B2 (en) 2003-08-11 2010-05-04 Depuy Spine, Inc. Distraction screw

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20030227

R156 Lapse of ip right after 3 years

Effective date: 20060503