ES2097665T3 - Tornillo de material biodegradable para fines osteo-quirurgicos y destornillador adaptado al mismo. - Google Patents

Tornillo de material biodegradable para fines osteo-quirurgicos y destornillador adaptado al mismo.

Info

Publication number
ES2097665T3
ES2097665T3 ES95200700T ES95200700T ES2097665T3 ES 2097665 T3 ES2097665 T3 ES 2097665T3 ES 95200700 T ES95200700 T ES 95200700T ES 95200700 T ES95200700 T ES 95200700T ES 2097665 T3 ES2097665 T3 ES 2097665T3
Authority
ES
Spain
Prior art keywords
screw
osteo
same
biodegradable material
surgical purposes
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
ES95200700T
Other languages
English (en)
Inventor
Andreas C Dr Med Stahelin
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
Application granted granted Critical
Publication of ES2097665T3 publication Critical patent/ES2097665T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • 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
    • A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
    • A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
    • 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
    • A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
    • 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
    • A61B17/56—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
    • A61B17/56—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
    • A61B17/8877—Screwdrivers, spanners or wrenches characterised by the cross-section of the driver bit
    • A61B17/888—Screwdrivers, spanners or wrenches characterised by the cross-section of the driver bit the driver bit acting on the central region of the screw head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00004—(bio)absorbable, (bio)resorbable or resorptive

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Neurology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surgical Instruments (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)

Abstract

LA SUPERFICIE (5) EXTERIOR DEL CUERPO (2) DEL TORNILLO (1) ESTA PROVISTO CON UNA ROSCA (6) EXTERIOR. EN EL CUERPO (2) DE TORNILLO SE HA PREVISTO UN CANAL (7), QUE EN EL EXTREMO (3) PROXIMO ESTA ABIERTO PARA LA RECEPCION DEL MANGO (8) DE UN ATORNILLADOR (9). LA PARED (13) DEL CANAL ESTA DEFINIDA DE FORMA SIMETRICA DE GIRO ALREDEDOR DEL EJE (L) LONGITUDINAL EN EL PASO DE GIRO REGULAR Y DEFINE UNA ZONA (22) DE CANAL AXIAL ASI COMO UNA MULTIPLICIDAD DE ZONAS (23) DE LOBULO DISPUESTAS A SU ALREDEDOR DE FORMA REGULAR. EN CADA ZONA (23) DEL LOBULO LA PARED (13) DE CANAL MUESTRA UN PAR DE FLANCOS (24,25), QUE SE EXTIENDEN HASTA LA PROXIMIDAD DE UN EXTREMO (26) DIRIGIDO HACIA LA ZONA (22) DEL CANAL DE LA ZONA (23) DEL LOBULO. EN LA SECCION TRANSVERSAL DEL CUERPO (2) DE TORNILLO SE CONFIGURA CADA ZONA (23) CON RELACION A UN PLANO DIAMETRAL ASIMETRICO. UNO DE LOS TRAMOS CORRESPONDIENTE AL FLANCO (24) DE LA LINEA (17) DE FISURA ES MAS CORTO QUE EL FLANCO (25) QUE DISCURRE DE FORMA CORRESPONDIENTE EN ELTRAMO DE LA LINEA DE FISURA (17). EL FLANCO (24) PUEDE MOSTRAR UNA DISTANCIA RADIAL EN LA DIRECCION DE ATORNILLADO DE FORMA CRECIENTE. LOS FLANCOS (24,25) PUEDEN DISCURRIR DE FORMA CONJUNTA EN EL EXTREMO (26) DE LA ZONA (23) DEL LOBULO HACIA UN BORDE Y EN LA DIRECCION (D) DE GIRO DESDE 3 HASTA 8, CON PREFERENCIA 6, QUE SE DEFINEN SEGUN LAS PUNTAS (23) EN FORMA DE HOZ PREVIAMENTE DEFINIDA. EL MANGO (8) DEL ATORNILLADOR (9) DISPONE DE UN FORMA QUE SE ADAPTA COMPLEMENTARIAMENTE AL CANAL (7).
ES95200700T 1994-03-29 1995-03-22 Tornillo de material biodegradable para fines osteo-quirurgicos y destornillador adaptado al mismo. Expired - Lifetime ES2097665T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH93894 1994-03-29
CH375794 1994-12-12

Publications (1)

Publication Number Publication Date
ES2097665T3 true ES2097665T3 (es) 1997-04-01

Family

ID=25686171

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95200700T Expired - Lifetime ES2097665T3 (es) 1994-03-29 1995-03-22 Tornillo de material biodegradable para fines osteo-quirurgicos y destornillador adaptado al mismo.

Country Status (7)

Country Link
US (1) US5695497A (es)
EP (1) EP0674880B1 (es)
AT (1) ATE146063T1 (es)
AU (1) AU689846B2 (es)
CA (1) CA2145449C (es)
DE (1) DE59500060D1 (es)
ES (1) ES2097665T3 (es)

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CA2145449C (en) 2005-09-13
EP0674880A1 (de) 1995-10-04
US5695497A (en) 1997-12-09
DE59500060D1 (de) 1997-01-23
AU689846B2 (en) 1998-04-09
AU1492395A (en) 1995-10-05
CA2145449A1 (en) 1995-09-30
EP0674880B1 (de) 1996-12-11
ATE146063T1 (de) 1996-12-15

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