KR100493994B1 - 다중축 뼈 스크류 어셈블리 - Google Patents
다중축 뼈 스크류 어셈블리 Download PDFInfo
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- KR100493994B1 KR100493994B1 KR10-1999-7002465A KR19997002465A KR100493994B1 KR 100493994 B1 KR100493994 B1 KR 100493994B1 KR 19997002465 A KR19997002465 A KR 19997002465A KR 100493994 B1 KR100493994 B1 KR 100493994B1
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- 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
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
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- 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
- A61B17/70—Spinal positioners or stabilisers, e.g. 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
-
- 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
- A61B17/70—Spinal positioners or stabilisers, e.g. 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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter
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- 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)
- Surgical Instruments (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims (20)
- 척추에 인접하여 척추의 길이방향을 따라 배치되도록 구성된 연장된 부재와;척추뼈 및 확장된 헤드를 결합하도록 구성된 하부 부분을 가진 뼈 결합 패스너와;리시버 부재의 상부 단부에서부터 하부 단부를 관통하는 구멍을 형성하며, 상기 구멍이 상기 뼈 결합 패스너의 헤드를 수용하기 위한 리세스를 포함하고, 또한 상기 리세스와 연통하는 채널과 상부 단부에 있는 상부 개구부를 갖는 리시버 부재와;상기 상부 개구부를 통해 삽입가능하고 상기 리세스내에 활주가능하게 배치되며 상기 패스너의 상기 헤드와 접촉하는 하부 표면과 상기 연장된 부재와 접촉하는 대향하는 상부 표면을 가지는 크라운 부재와;상기 상부 개구부에 인접하여 상기 구멍내에 결합되고 상대적으로 관통하도록 상기 연장된 부재를 상기 크라운 부재에 그리고 상기 크라운 부재를 상기 패스너의 헤드에 압축하여 상기 크라운 부재 및 상기 리시버 부재의 리세스 사이에 상기 패스너의 헤드를 부착하는 압축 부재를 포함하며,상기 리세스는 상기 패스너의 하부 부분이 뻗는 상기 리시버 부재의 상기 하부 단부에서 하부 개구부를 가지며, 상기 채널은 상기 리세스에 인접하여 내부에 상기 연장된 부재를 수용하도록 구성되며,상기 하부 표면 및 상기 헤드는 서로 상대적으로 관통하도록 구성된 척추 고정 어셈블리.
- 제 1 항에 있어서, 상기 구멍은 상기 상부 개구부에 인접하여 암나사부를 포함하고,상기 압축 부재는 상기 암나사부와 결합되는 나사를 가진 세트 스크류인 척추 고정 어셈블리.
- 제 1 항에 있어서, 상기 뼈 결합 패스너의 헤드는 절두형 상부 표면을 포함하며 상기 상부 표면을 통과하는 툴 수용 리세스를 한정하는 척추 고정 어셈블리.
- 제 1 항에 있어서, 상기 뼈 결합 패스너의 헤드는 절두형 상부 표면 및 이 상부 표면에 인접한 플레어 에지를 포함하며, 상기 플레어 에지는 상기 패스너의 헤드가 상기 크라운 부재 및 상기 리세스 사이에 고정될 때 상기 크라운 부재의 적어도 하부 표면을 관통하도록 구성된 척추 고정 어셈블리.
- 제 1 항에 있어서, 상기 크라운 부재의 하부 표면은 원추형 표면인 척추 고정 어셈블리.
- 제 1 항에 있어서, 상기 크라운 부재는 이 부재를 관통하는 구멍을 한정하며, 상기 구멍은 상기 패스너의 헤드와 접촉하는 상기 하부 표면과, 상기 크라운 부재의 구멍을 통해 상기 패스너의 헤드와 결합하기 위한 구동 툴을 수용하도록 구성되는 툴 삽입 구멍을 포함하는 척추 고정 어셈블리.
- 제 1 항에 있어서, 상기 리시버 부재의 구멍은 압축 부재와 결합되는 부분과, 상기 부분과 상기 리세스 사이의 크라운 리세스를 포함하며, 상기 부분은 상기 크라운 리세스의 내경보다 작은 내경을 가지고,상기 크라운 리세스는 상기 크라운 리세스의 내경보다 작으나 상기 구멍의 상기 부분의 내경보다 큰 직경을 가지는 상부 림을 포함하는 척추 고정 어셈블리.
- 제 1 항에 있어서, 상기 리세스는 큰 직경으로부터 상기 하부 단부의 작은 직경으로 원추형으로 테이퍼진 척추 고정 어셈블리.
- 제 8 항에 있어서, 상기 크라운 부재는 상기 리세스 부재의 상기 테이퍼진 리세스와 상호 보완관계로 결합되도록 구성되는 원추형 외부 표면을 포함하는 척추 고정 어셈블리.
- 척추에 인접하여 척추의 길이방향을 따라 배치되도록 구성된 연장된 부재와;부분적으로 구형 부분을 가지는 헤드와 척추뼈를 결합하도록 구성된 하부 부분을 가진 뼈 결합 패스너와;리시버 부재의 상부 단부에서부터 하부 단부를 관통하는 구멍을 형성하며, 상기 구멍은 상기 뼈 결합 패스너의 헤드를 수용하기 위한 리세스를 포함하며, 상기 리세스와 연통하는 채널과 상부 단부에 있는 상구 개구부를 갖는 리시버 부재와;상기 상부 개구부를 통해 삽입가능하고 상기 리세스내에 활주가능하게 배치되며 상기 패스너의 상기 헤드와 접촉하는 원추형의 하부 표면과 상기 연장된 부재와 접촉하는 대향하는 상부 표면을 가지는 크라운 부재와;상기 상부 개구부에 인접하여 상기 구멍내에 결합되고, 상기 연장된 부재를 상기 크라운 부재에 그리고 상기 원추형의 하부 부재를 상기 패스너의 부분적으로 구형인 부분에 압축하여 상기 크라운 부재와 상기 리시버 부재의 리세스 사이에 상기 패스너의 헤드를 부착하는 압축 부재를 포함하며,상기 리세스는 상기 패스너의 하부 부분이 연장하는 상기 리시버 부재의 상기 하부 단부에서 하부 개구부를 가지며, 상기 채널은 상기 리세스에 인접하여 내부에 상기 연장된 부재를 수용하도록 구성된 척추 고정 어셈블리.
- 제 10 항에 있어서, 상기 뼈 결합 패스너의 상기 헤드는 직경을 가지며 절두형 상부 표면을 포함하며,상기 크라운 부재의 상기 원추형 하부 표면은 상기 뼈 결합 패스너의 헤드의 직경보다 큰 상기 헤드에 인접한 최대 직경을 한정하는 척추 고정 어셈블리.
- 제 11 항에 있어서, 상기 뼈 결합 패스너의 헤드는 상기 상부 표면에 인접하여 플레어 에지를 포함하며, 상기 플레어 에지는 상기 절두형 상부 표면의 직경보다 크나 상기 크라운 부재의 원추형 하부 표면의 최대 직경보다 작은 직경을 가지며 상기 패스너의 헤드가 상기 크라운 부재 및 상기 리세스사이에 고정될 때 상기 크라운 부재의 적어도 하부 표면을 관통하도록 배열된 척추 고정 어셈블리.
- 척추에 인접하여 척추의 길이방향을 따라 배치되도록 구성된 연장된 부재와;척추뼈 및 확장된 헤드와 결합하도록 구성된 하부 부분을 가진 뼈 결합 패스너와;리시버 부재의 상부 단부에서부터 하부 단부를 관통하는 구멍을 형성하며, 상기 구멍은 상기 뼈 결합 패스너의 헤드를 수용하기 위한 리세스를 포함하며 추가로 상부 부분과 상기 상부 부분 및 상기 리세스 사이의 크라운 리세스를 포함하고, 또한 상기 리세스와 연통하는 채널과 상부 단부에 있는 상부 개구부를 갖는 리시버 부재와;상기 상부 개구부를 통해 삽입가능하고 상기 리세스내에 활주가능하게 배치되며 상기 패스너의 상기 헤드와 접촉하는 하부 표면과 상기 연장된 부재와 접촉하는 대향하는 상부 표면을 가지는 크라운 부재와;상기 크라운 부재가 활주가능하게 배치될 때 상기 크라운 리세스로부터 상기 크라운 부재의 제거를 방지하기 위해 상기 크라운 부재와 상기 리시버 부재 사이에 배치된 제거 방지수단과;상기 구멍의 상부 부분내에 배치되며 연장된 부재를 상기 크라운 부재에 압축하여 상기 패스너의 헤드를 상기 크라운 부재 및 상기 리시버 부재의 리세스에 부착하는 압축 부재를 포함하며,상기 리세스는 상기 패스너의 하부 부분이 연장하는 상기 리시버 부재의 상기 하부 단부에서 하부 개구부를 가지며, 상기 채널은 상기 리시버에 인접하여 내부에 상기 연장된 부재를 수용하도록 구성되어 있는 척추 고정 어셈블리.
- 제 13 항에 있어서, 상기 제거 방지 수단은,상기 크라운 리세스가 상기 상부 부분의 내경보다 큰 내경을 가지며,상기 크라운 부재가 상기 크라운 리세스의 내경보다 작으나 상기 구멍의 상부 부분의 내경보다 큰 상부 림을 포함하여 이루어지는 척추 고정 어셈블리.
- 제 14 항에 있어서, 상기 구멍의 상부 부분은 암나사를 포함하며,상기 압축 부재는 상기 암나사와 결합하는 나사를 가진 세트 스크류이고,상기 크라운 부재의 상부 림은 상기 암나사들에 나사결합되도록 구성되고, 상기 크라운 부재는 상기 상부 부분을 통해 상기 크라운 리세스로 나사식으로 진행하는 척추 고정 어셈블리.
- 제 15 항에 있어서, 상기 크라운 부재의 상부 림은 상기 암나사와 정합되는 적어도 하나의 나사를 포함하는 척추 고정 어셈블리.
- 척추에 인접하여 척추의 길이방향을 따라 배치되도록 구성된 연장된 부재와;적어도 부분적으로 구형이며 구형 직경을 가지는 헤드와 척추뼈를 결합하도록 구성된 하부 부분을 가진 뼈 결합 패스너와;리시버 부재의 상부 단부에서부터 하부 단부를 관통하는 구멍을 형성하며, 상기 구멍은 상기 뼈 결합 패스너의 헤드를 수용하기 위한 리세스를 포함하며, 상기 리세스와 연통하는 채널과 상부 단부에 있는 상구 개구부를 갖는 리시버 부재와;상기 상부 개구부를 통해 삽입가능하고 상기 리세스내에 활주가능하게 배치되며 상기 패스너의 상기 헤드와 접촉하는 하부 표면과 상기 연장된 부재와 접촉하는 대향하는 상부 표면을 가지는 크라운 부재와;상기 상부 개구부에 인접하여 상기 구멍내에 결합되고, 상기 연장된 부재를 상기 크라운 부재에 압축하여 상기 크라운 부재와 상기 리시버 부재의 리세스 사이에 상기 패스너의 헤드를 부착하는 압축 부재를 포함하며,상기 리세스는 상기 패스너의 헤드의 상기 구형 직경 보다 큰 직경에서부터 상기 구형 직경 보다 작은 상기 하부 개구부의 직경까지 원추형으로 테이퍼지며, 상기 채널은 상기 리세스에 인접하여 내부에 상기 연장된 부재를 수용하도록 구성된 척추 고정 어셈블리.
- 제 17 항에 있어서, 상기 크라운 부재는 상기 리시버 부재의 상기 테이퍼진 리세스와 상호 보완관계로 결합되도록 구성된 원추형 외부 표면을 포함하는 척추 고정 어셈블리.
- 척추에 인접하여 척추의 길이방향을 따라 배치되도록 구성된 연장된 부재와;적어도 부분적으로 구형인 헤드와 척추뼈를 결합하도록 구성된 하부 부분을 가진 뼈 결합 패스너와;리시버 부재의 상부 단부에서부터 하부 단부를 관통하는 구멍을 형성하며, 상기 구멍은 상기 뼈 결합 패스너의 헤드를 수용하기 위한 리세스를 포함하며, 상기 리세스와 연통하는 채널과 상부 단부에 있는 상구 개구부를 갖는 리시버 부재와;상기 리시버의 리세스와 상기 헤드가 서로 상대적으로 관통하도록 구성되며;상기 상부 개구부를 통해 삽입가능하고 상기 리세스내에 활주가능하게 배치되며 상기 패스너의 상기 헤드와 접촉하는 원추형의 하부 표면과 상기 연장된 부재와 접촉하는 대향하는 상부 표면을 가지는 크라운 부재와;상기 상부 개구부에 인접하여 상기 구멍내에 결합되고, 상기 연장된 부재를 상기 크라운 부재에 압축하며 상기 크라운 부재를 상기 패스너의 헤드에 그리고 상기 헤드를 상기 리세스에 압축함으로써 상기 리시버 부재와 상기 패스너의 헤드 사이에 상대 관통한 상태에서 상기 크라운 부재와 상기 리시버 부재의 리세스 사이에 상기 패스너의 헤드를 부착하는 압축 부재를 포함하며,상기 리세스는 상기 패스너의 하부 부분이 연장하는 상기 리시버 부재의 상기 하부 단부에서 하부 개구부를 가지며, 상기 채널은 상기 리세스에 인접하여 내부에 상기 연장된 부재를 수용하도록 구성된 척추 고정 어셈블리.
- 척추에 인접하여 척추의 길이방향을 따라 배치되도록 구성된 연장된 부재와;적어도 부분적으로 구형이며 구형 직경을 갖는 헤드와 척추뼈를 결합하도록 구성된 하부 부분을 가진 뼈 결합 패스너와;리시버 부재의 상부 단부에서부터 하부 단부를 관통하는 구멍을 형성하며, 상기 구멍은 상기 뼈 결합 패스너의 헤드를 수용하기 위한 리세스를 포함하며, 상기 리세스와 연통하는 채널과 상부 단부에 있는 상구 개구부를 갖는 리시버 부재와;상기 리세스가 상기 패스너의 헤드의 상기 구형 직경 보다 큰 직경에서부터 상기 구형 직경 보다 작은 상기 하부 개구부의 직경까지 테이퍼지며;상기 리시버의 리세스와 상기 헤드가 서로 상대적으로 관통하도록 구성되며;상기 상부 개구부를 통해 삽입가능하고 상기 리세스내에 활주가능하게 배치되며 상기 패스너의 상기 헤드와 접촉하는 원추형의 하부 표면과 상기 연장된 부재와 접촉하는 대향하는 상부 표면을 가지는 크라운 부재와;상기 크라운 부재의 상기 하부 표면과 상기 패스너의 헤드가 서로 상대적으로 관통하도록 구성되며;상기 상부 개구부에 인접하여 상기 구멍내에 결합되고, 상기 연장된 부재를 상기 크라운 부재에 압축하며 상기 크라운 부재를 상기 패스너의 헤드에 그리고 상기 헤드를 상기 리세스에 압축함으로써 상기 패스너의 헤드와 상기 양쪽 리세스와 상기 크라운 부재의 원추형 하부 표면 사이에 상대 관통한 상태에서 상기 크라운 부재와 상기 리시버 부재의 리세스 사이에 상기 패스너의 헤드를 부착하는 압축 부재를 포함하며,상기 리세스는 상기 패스너의 하부 부분이 연장하는 상기 리시버 부재의 상기 하부 단부에서 하부 개구부를 가지며, 상기 채널은 상기 리세스에 인접하여 내부에 상기 연장된 부재를 수용하도록 구성된 척추 고정 어셈블리.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/719,161 US5797911A (en) | 1996-09-24 | 1996-09-24 | Multi-axial bone screw assembly |
| US08/719,161 | 1996-09-24 | ||
| US8/719,161 | 1996-09-24 | ||
| PCT/US1997/016833 WO1998012976A1 (en) | 1996-09-24 | 1997-09-24 | Multi-axial bone screw assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000048548A KR20000048548A (ko) | 2000-07-25 |
| KR100493994B1 true KR100493994B1 (ko) | 2005-06-10 |
Family
ID=24888982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1999-7002465A Expired - Fee Related KR100493994B1 (ko) | 1996-09-24 | 1997-09-24 | 다중축 뼈 스크류 어셈블리 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5797911A (ko) |
| EP (1) | EP0934027B1 (ko) |
| JP (1) | JP2001501109A (ko) |
| KR (1) | KR100493994B1 (ko) |
| AT (1) | ATE255854T1 (ko) |
| AU (1) | AU734406B2 (ko) |
| CA (1) | CA2267753C (ko) |
| DE (1) | DE69726746T2 (ko) |
| ES (1) | ES2212133T3 (ko) |
| WO (1) | WO1998012976A1 (ko) |
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- 1997-09-24 DE DE69726746T patent/DE69726746T2/de not_active Expired - Fee Related
- 1997-09-24 KR KR10-1999-7002465A patent/KR100493994B1/ko not_active Expired - Fee Related
- 1997-09-24 AT AT97943441T patent/ATE255854T1/de not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5443467A (en) * | 1993-03-10 | 1995-08-22 | Biedermann Motech Gmbh | Bone screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2267753A1 (en) | 1998-04-02 |
| EP0934027B1 (en) | 2003-12-10 |
| WO1998012976A1 (en) | 1998-04-02 |
| AU4491497A (en) | 1998-04-17 |
| ATE255854T1 (de) | 2003-12-15 |
| DE69726746D1 (de) | 2004-01-22 |
| ES2212133T3 (es) | 2004-07-16 |
| DE69726746T2 (de) | 2004-11-25 |
| JP2001501109A (ja) | 2001-01-30 |
| EP0934027A1 (en) | 1999-08-11 |
| KR20000048548A (ko) | 2000-07-25 |
| US5797911A (en) | 1998-08-25 |
| AU734406B2 (en) | 2001-06-14 |
| CA2267753C (en) | 2006-11-21 |
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