KR100871055B1 - 연장된 다중축 앵커 어셈블리에 의한 척추 임플란트 - Google Patents
연장된 다중축 앵커 어셈블리에 의한 척추 임플란트 Download PDFInfo
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- KR100871055B1 KR100871055B1 KR1020077010292A KR20077010292A KR100871055B1 KR 100871055 B1 KR100871055 B1 KR 100871055B1 KR 1020077010292 A KR1020077010292 A KR 1020077010292A KR 20077010292 A KR20077010292 A KR 20077010292A KR 100871055 B1 KR100871055 B1 KR 100871055B1
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- 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
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- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
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Abstract
Description
Claims (43)
- 헤드 및 뼈 부재와 결합을 위해 헤드로부터 연장하는 하부를 포함하는 앵커 부재(anchor member);상기 앵커의 상기 헤드에 피벗식으로 연결된 연결 부재(coupling member)로서, 상기 연결 부재는 상기 헤드를 수용하는 내부 리셉터클(interior receptacle)을 형성하는 하부 수용부(lower receiver portion) 및 상기 헤드로부터 멀어지도록 상기 수용부로부터 연장하는 포스트(post)를 포함하고, 상기 포스트는 상기 수용부에 인접하여 로킹 부재(locking member)를 결합시키도록 구성된 로킹 부재 실장부(locking member mounting portion) 및 상기 실장부로부터 근위로 연장하는 착탈식 연장부(removable extension portion)를 포함하고, 상기 수용부는 상기 연결 부재의 외부와 상통하는 하나 이상의 측벽 개구부(sidewall opening)를 형성하는 연결 부재; 및상기 앵커 부재의 상기 헤드 둘레로 상기 연결 부재의 상기 리셉터클 내에 위치되는 크라운(crown)으로서, 상기 크라운은 그것으로부터 연장하는 시트부(seating portion)를 포함하고, 상기 시트부는 상기 로킹 부재 및 상기 시트부 사이에서 임플란트 부재(implant member)를 고정시키도록 상기 연결 부재의 상기 포스트 둘레에 위치되는 임플란트 부재와 접촉하여 위치한 상기 하나 이상의 측벽 개구부와 상통하는 크라운을 포함하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 포스트는 상기 수용부의 상기 리셉터클과 상통하여 상기 종축을 따라 연장하는 내부 통로(internal passage)를 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 2 항에 있어서, 상기 통로는 상기 통로를 따라 비원형 횡단면(non-circular cross-section)을 형성하는 툴 결합 표면들(tool engaging surfaces)에 의해 하나 이상의 부분이 형성되는 것을 특징으로 하는 앵커 어셈블리.
- 제 3 항에 있어서, 상기 포스트는 상기 연장부 및 상기 실장부 사이에 해제 영역(break-off region)을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 4 항에 있어서, 상기 해제 영역은 상기 통로를 따라 상기 포스트의 내부 월 표면에 형성된 게이지부(gauge portion)를 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 5 항에 있어서, 상기 게이지부는 상기 통로의 상기 비원형 횡단면을 차단하는 것을 특징으로 하는 앵커 어셈블리.
- 제 5 항에 있어서, 상기 해제 영역은 상기 게이지부에 인접하여 내부로 테이퍼링(tapering)된 외부 월 표면들을 추가로 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 포스트는 근위로 테이퍼링된 근위 말단부를 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 포스트는 상기 실장부 및 상기 연장부를 관통해서 연장하는 내부 통로를 포함하고, 상기 포스트는 외부 나사산(external thread)을 추가로 포함하고, 상기 외부 나사산은 교정된 월 두께의 섹션에 의해 상기 실장부 및 상기 연장부 사이에서 차단됨을 특징으로 하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 앵커 부재의 상기 하부는 나사산을 구비한 샤프 트(threaded shaft)를 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 10 항에 있어서, 상기 앵커 부재는 상기 헤드 및 상기 나사산을 구비한 샤프트 사이에 나사산을 구비하지 않은 목부(neck portion)를 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 11 항에 있어서, 상기 앵커 어셈블리는 상기 목부 둘레에 위치되고 상기 연결 부재 및 상기 헤드 사이에서 연장하는 클립을 추가로 포함하고, 상기 클립은 상기 연결 부재 내에 상기 앵커 부재를 보유하도록 그곳을 통해서 상기 헤드의 통로를 막도록 크기화된 것을 특징으로 하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 헤드는 상기 크라운을 향해서 배향되고 그것 둘레에서 연장하는 다수의 릿지(ridge)들을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 13 항에 있어서, 상기 다수의 릿지들은 임플란트 부재가 상기 로킹 부재에 의해 상기 시트부에 접촉하여 고정되는 경우 상기 크라운과 결합하고, 상기 릿 지들 및 상기 크라운 사이의 상기 결합은 상기 앵커 부재가 상기 연결 부재에 대해 피벗팅하는 것을 방지하는 것을 특징으로 하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 크라운의 상기 시트부는 그것으로부터 연장하는 암들을 포함하고, 상기 연결 부재의 상기 하나 이상의 측벽 개구부는 대향 윈도우들(opposite windows)을 포함하며, 상기 암들은 상기 각각의 대향 윈도우들을 통해서 위치되는 것을 특징으로 하는 앵커 어셈블리.
- 제 15 항에 있어서, 상기 크라운은 상기 시트부로부터 연장하는 컵부(cup portion)를 포함하고, 상기 컵부는 그 안으로 상기 앵커 부재의 상기 헤드를 수용하는 리셉터클을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 16 항에 있어서, 상기 크라운은 상기 컵부의 상기 리셉터클 내로 상기 시트부를 관통해서 연장하는 관통홀(through-hole)을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 포스트는 그 둘레에 상기 로킹 부재를 나사산에 의하여 수용하는 외부 나사산들을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 18 항에 있어서, 상기 로킹 부재는 중심 보어(central bore) 둘레에서 연장하는 월을 갖는 본체를 포함하고, 상기 중심 보어는 상기 로킹 부재가 그것에 결합되는 경우 상기 포스트를 수용하고, 상기 월은 상기 보어와 상통하여 상기 보어에 대해 횡으로 그곳을 통해서 연장하는 슬롯을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 1 항에 있어서, 상기 포스트는 대향 아치형의 나사산을 구비한 표면들에 의해 서로 연결된 그것의 길이를 따라 연장하는 대향 플랫 표면들을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 제 20 항에 있어서, 상기 포스트는 상기 실장부 및 상기 포스트의 상기 연장부 사이에서 상기 대향 플랫 표면들 및 상기 대향 아치형의 나사산을 구비한 표면들을 차단하는 해제 영역을 포함하는 것을 특징으로 하는 앵커 어셈블리.
- 상부 표면 및 대향 하부 표면 사이에 그곳을 통해서 연장하는 하나 이상의 개구부를 포함하는 긴 플레이트 부재로서, 상기 하부 표면은 척주를 따라 위치 가능한 긴 플레이트 부재(elongate plate member);상기 긴 플레이트 부재에 결합 가능한 앵커 어셈블리로서:상기 하나 이상의 개구부를 통해서 위치 가능한 포스트 및 상기 플레이트의 상기 하부 표면을 따라 위치 가능한 수용부를 갖는 연결 부재로서, 상기 수용부는 리셉터클을 포함하고, 여기서 상기 포스트는 상기 수용부에 인접한 실장부 및 상기 실장부로부터 근위로 연장하는 착탈식 연장부를 포함하고, 상기 포스트는 그의 근위 말단으로부터 상기 리셉터클로 연장하는 통로를 더 형성하는 연결 부재;상기 수용부의 상기 리셉터클 내에 피벗식으로 캡쳐된 헤드 및 척주의 골구조를 결합하는 상기 헤드로부터 연장하는 하부를 포함하는 앵커 부재; 및상기 플레이트 부재를 로킹 부재 및 상기 수용부 사이에서 상기 연결 부재에 고정시키도록 상기 플레이트 부재의 상기 상부 표면에 접촉하여 상기 포스트의 상기 실장부에 결합 가능한 로킹 부재를 포함하는 상기 어셈블리를 포함하는 척추 플레이팅 장치(spinal plating device).
- 제 22 항에 있어서, 상기 통로는 상기 통로를 따라 비원형 횡단면을 형성하는 툴 결합 표면들에 의해 하나 이상의 부분이 형성되는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 23 항에 있어서, 상기 포스트는 상기 연장부 및 상기 실장부 사이에 해제 영역을 포함하고, 상기 해제 영역은 상기 통로를 따라 상기 포스트의 내부 월 표면에 형성된 게이지부를 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 24 항에 있어서, 상기 게이지부는 상기 통로의 상기 비원형 횡단면을 차단하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 25 항에 있어서, 상기 해제 영역은 상기 게이지부에 인접하여 내부로 테이퍼링된 외부 월 표면들을 추가로 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 22 항에 있어서, 상기 포스트는 근위로 테이퍼링된 근위 말단부를 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 22 항에 있어서, 상기 포스트는 그것을 따라서 연장하는 외부 나사산을 포함하고, 상기 외부 나사산은 교정된 월 두께의 섹션에 의해 상기 실장부 및 상기 연장부 사이에서 차단되는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 22 항에 있어서, 상기 앵커 어셈블리는 상기 리셉터클 내에 상기 헤드에 인접하여 위치된 크라운을 추가로 포함하고, 상기 크라운은 상기 플레이트 부재의 상기 하부 표면을 따라 상기 연결 부재를 통해서 연장하는 시트부를 포함하고, 상기 로킹 부재가 상기 플레이트 부재의 상기 상부 표면과 접촉하여 고정되는 경우 상기 로킹 부재가 상기 시트부에 접촉하여 상기 플레이트 부재의 상기 하부 표면을 고정시키는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 29 항에 있어서, 상기 연결 부재는 하나 이상의 윈도우를 포함하고, 상기 시트부는 상기 하나 이상의 윈도우를 통해서 돌출하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 29 항에 있어서, 상기 연결 부재는 대향 윈도우들을 포함하고, 상기 시트부는 각각의 상기 대향 윈도우들을 통해서 돌출하는 대향 암들을 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 29 항에 있어서, 상기 앵커 부재의 상기 하부는 나사산을 구비한 샤프트를 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 29 항에 있어서, 상기 헤드는 상기 크라운에 인접하여 그 둘레에서 연장하는 다수의 릿지들을 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 33 항에 있어서, 상기 다수의 릿지들은 상기 플레이트 부재가 상기 로킹 부재에 의해 상기 시트부에 접촉하여 고정되는 경우 상기 크라운과 결합하고, 상기 릿지들 및 상기 크라운 사이의 상기 결합은 상기 앵커 부재가 상기 연결 부재에 대해 피벗팅하는 것을 방지하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 22 항에 있어서, 상기 포스트는 그 둘레에 상기 로킹 부재를 나사산에 의하여 수용하도록 상기 실장부 및 상기 연장부를 따라 연장하는 외부 나사산들을 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
- 제 22 항에 있어서, 상기 플레이트 부재의 상기 하나 이상의 개구부는 긴 슬롯을 포함하는 것을 특징으로 하는 척추 플레이팅 장치.
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US10/959,668 US7794477B2 (en) | 2004-10-05 | 2004-10-05 | Spinal implants and methods with extended multi-axial anchor assemblies |
US10/959,668 | 2004-10-05 |
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- 2005-10-04 AU AU2005294463A patent/AU2005294463A1/en not_active Abandoned
- 2005-10-04 KR KR1020077010292A patent/KR100871055B1/ko active IP Right Grant
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- 2005-10-04 EP EP05807571A patent/EP1827268A2/en not_active Withdrawn
- 2005-10-04 CA CA002579148A patent/CA2579148A1/en not_active Abandoned
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AU2005294463A1 (en) | 2006-04-20 |
EP1827268A2 (en) | 2007-09-05 |
US20060084980A1 (en) | 2006-04-20 |
WO2006041845A2 (en) | 2006-04-20 |
CN101052354A (zh) | 2007-10-10 |
CA2579148A1 (en) | 2006-04-20 |
JP2008515488A (ja) | 2008-05-15 |
US7794477B2 (en) | 2010-09-14 |
US20100318132A1 (en) | 2010-12-16 |
JP4536118B2 (ja) | 2010-09-01 |
US8012188B2 (en) | 2011-09-06 |
WO2006041845A3 (en) | 2006-07-06 |
KR20070084012A (ko) | 2007-08-24 |
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