ES2352720A1 - Dispositivo de fijacion de tornillo prisionero y tulipa autoblocante. - Google Patents
Dispositivo de fijacion de tornillo prisionero y tulipa autoblocante.Info
- Publication number
- ES2352720A1 ES2352720A1 ES200900207A ES200900207A ES2352720A1 ES 2352720 A1 ES2352720 A1 ES 2352720A1 ES 200900207 A ES200900207 A ES 200900207A ES 200900207 A ES200900207 A ES 200900207A ES 2352720 A1 ES2352720 A1 ES 2352720A1
- Authority
- ES
- Spain
- Prior art keywords
- tulip
- screw
- translation
- self
- machine
- 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.)
- Granted
Links
- 241000722921 Tulipa gesneriana Species 0.000 title abstract 6
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
- A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (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)
- Veterinary Medicine (AREA)
- Clamps And Clips (AREA)
- Surgical Instruments (AREA)
Abstract
Dispositivo de fijación de tornillo prisionero y tulipa autoblocante. Destinado a unir una varilla (2) a un soporte, comprende una tulipa (3) que presenta en su parte superior una ranura diametral (4) susceptible de recibir la varilla (2), definiendo esa ranura diametral (4) en la tulipa (3) dos brazos (5) roscados interiormente con un perfil de rosca de ángulo de ataque negativo, destinados a recibir un tornillo prisionero (6). Un tornillo de fijación (9) al soporte presenta una cabeza esférica (8) que queda retenida en un cuello (7) que, a estos efectos se dispone en la tulipa (3). Al apretar el tornillo prisionero (6) contra la varilla (2) se provoca el cierre por flexión de los brazos (5) de la tulipa (3) sobre el propio tornillo prisionero (6), bloqueando su giro.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200900207A ES2352720B1 (es) | 2009-01-26 | 2009-01-26 | Dispositivo de fijación de tornillo prisionero y tulipa autoblocante. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200900207A ES2352720B1 (es) | 2009-01-26 | 2009-01-26 | Dispositivo de fijación de tornillo prisionero y tulipa autoblocante. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2352720A1 true ES2352720A1 (es) | 2011-02-09 |
ES2352720B1 ES2352720B1 (es) | 2011-12-30 |
Family
ID=43557981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200900207A Expired - Fee Related ES2352720B1 (es) | 2009-01-26 | 2009-01-26 | Dispositivo de fijación de tornillo prisionero y tulipa autoblocante. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2352720B1 (es) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19912364A1 (de) * | 1999-03-19 | 2000-10-12 | Peter Brehm | Pedikelschraube |
US20020138076A1 (en) * | 2000-12-27 | 2002-09-26 | Biederman Motech Gmbh | Screw |
US20060025771A1 (en) * | 2000-08-23 | 2006-02-02 | Jackson Roger P | Helical reverse angle guide and advancement structure with break-off extensions |
US20060064089A1 (en) * | 2004-09-07 | 2006-03-23 | Jackson Roger P | Bone screw closure having domed rod engaging surface |
US20060079893A1 (en) * | 2000-08-23 | 2006-04-13 | Jackson Roger P | Threadform for medical implant closure |
ES2276539T3 (es) * | 1998-11-09 | 2007-06-16 | Warsaw Orthopedic Inc. | Rosca de angulo inverso para impedir el aflojamiento en dispositivos medicos. |
-
2009
- 2009-01-26 ES ES200900207A patent/ES2352720B1/es not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2276539T3 (es) * | 1998-11-09 | 2007-06-16 | Warsaw Orthopedic Inc. | Rosca de angulo inverso para impedir el aflojamiento en dispositivos medicos. |
DE19912364A1 (de) * | 1999-03-19 | 2000-10-12 | Peter Brehm | Pedikelschraube |
US20060025771A1 (en) * | 2000-08-23 | 2006-02-02 | Jackson Roger P | Helical reverse angle guide and advancement structure with break-off extensions |
US20060079893A1 (en) * | 2000-08-23 | 2006-04-13 | Jackson Roger P | Threadform for medical implant closure |
US20020138076A1 (en) * | 2000-12-27 | 2002-09-26 | Biederman Motech Gmbh | Screw |
US20060064089A1 (en) * | 2004-09-07 | 2006-03-23 | Jackson Roger P | Bone screw closure having domed rod engaging surface |
Also Published As
Publication number | Publication date |
---|---|
ES2352720B1 (es) | 2011-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 2352720 Country of ref document: ES Kind code of ref document: B1 Effective date: 20111230 |
|
FD2A | Announcement of lapse in spain |
Effective date: 20210915 |