ES2172530T3 - Tornillo oseo conico con paso continuamente variable. - Google Patents

Tornillo oseo conico con paso continuamente variable.

Info

Publication number
ES2172530T3
ES2172530T3 ES94908616T ES94908616T ES2172530T3 ES 2172530 T3 ES2172530 T3 ES 2172530T3 ES 94908616 T ES94908616 T ES 94908616T ES 94908616 T ES94908616 T ES 94908616T ES 2172530 T3 ES2172530 T3 ES 2172530T3
Authority
ES
Spain
Prior art keywords
screw
bone
leading
continuously variable
variable step
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
ES94908616T
Other languages
English (en)
Inventor
Randall J Huebner
David Glenn Jensen
Gene Lyle Conrad
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.)
Acumed LLC
Original Assignee
Acumed LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21724759&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2172530(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Acumed LLC filed Critical Acumed LLC
Application granted granted Critical
Publication of ES2172530T3 publication Critical patent/ES2172530T3/es
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
    • 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
    • A61B17/8625—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
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/1662—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans for particular parts of the body
    • A61B17/1686—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans for particular parts of the body for the hand or wrist
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • 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
    • A61B17/8625—Shanks, i.e. parts contacting bone tissue
    • A61B17/8635—Tips of screws
    • 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
    • A61B17/8645—Headless screws, e.g. ligament interference screws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/064—Surgical staples, i.e. penetrating the tissue
    • A61B2017/0646—Surgical staples, i.e. penetrating the tissue for insertion into cartillege, e.g. meniscus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/064—Surgical staples, i.e. penetrating the tissue
    • A61B2017/0647—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
    • A61B2017/0648—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks threaded, e.g. tacks with a screw thread

Landscapes

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

Abstract

TORNILLO OSEO (10) QUE TIENE UN PASO VARIABLE CONTINUO E INCLUYE UNA PORCION DE FONDO CONICA (12) CUYO DIAMETRO ES RELATIVAMENTE REDUCIDO EN EL EXTREMO ANTERIOR (16) DEL TORNILLO Y UN EXTREMO POSTERIOR (18) MAS ANCHO. EL PASO DEL TORNILLO DISMINUYE ENTRE LOS EXTREMOS DELANTERO Y TRASERO HACIENDO DE ESTE MODO QUE LOS FRAGMENTOS DE HUESO DE UNA FRACTURA SE PUEDAN UNIR CUANDO SE INSTALA EL TORNILLO A TRAVES DE LOS FRAGMENTOS. EL DIAMETRO RADIAL EXTREMO DE LA ROSCA (24, 30) AUMENTA ENTRE EL EXTREMO ANTERIOR Y POSTERIOR HACIENDO DE ESTE MODO QUE CADA PORCION DE ROSCA SUCESIVA CORTE EL HUESO DE FORMA RADIALMENTE EXTERNA CON RESPECTO A LA PORCION DE ROSCA ANTERIOR ACCEDIENDO DE ESTE MODO A HUESO NO CORTADO, EN EL QUE LAS ROSCAS SUCESIVAS PUEDEN CONSEGUIR AGARRE. EN UNA SEGUNDA VERSION EMPLEADA PARA ARTRODESIS DE ARTICULACIONES INTERFALANGEAS, UN EXTREMO CILINDRICO NO ROSCADO (66, 68) SE EXTIENDE DESDE EL EXTREMO ANTERIOR Y EL EXTREMO POSTERIOR DEL FONDO ROSCADO.
ES94908616T 1993-01-21 1994-01-19 Tornillo oseo conico con paso continuamente variable. Expired - Lifetime ES2172530T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US719693A 1993-01-21 1993-01-21

Publications (1)

Publication Number Publication Date
ES2172530T3 true ES2172530T3 (es) 2002-10-01

Family

ID=21724759

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94908616T Expired - Lifetime ES2172530T3 (es) 1993-01-21 1994-01-19 Tornillo oseo conico con paso continuamente variable.

Country Status (7)

Country Link
US (1) US5562672A (es)
EP (1) EP0746253B1 (es)
AT (1) ATE216859T1 (es)
AU (1) AU6164294A (es)
DE (1) DE69430540T2 (es)
ES (1) ES2172530T3 (es)
WO (1) WO1994016636A1 (es)

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US6984235B2 (en) * 1993-01-21 2006-01-10 Acumed Llc System for fusing joints
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Also Published As

Publication number Publication date
DE69430540D1 (de) 2002-06-06
AU6164294A (en) 1994-08-15
WO1994016636A1 (en) 1994-08-04
US5562672A (en) 1996-10-08
EP0746253B1 (en) 2002-05-02
EP0746253A4 (en) 1996-07-03
EP0746253A1 (en) 1996-12-11
ATE216859T1 (de) 2002-05-15
DE69430540T2 (de) 2002-10-31

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