WO2021241890A1 - 높이조절이 가능한 척추 유합 케이지 - Google Patents
높이조절이 가능한 척추 유합 케이지 Download PDFInfo
- Publication number
- WO2021241890A1 WO2021241890A1 PCT/KR2021/004990 KR2021004990W WO2021241890A1 WO 2021241890 A1 WO2021241890 A1 WO 2021241890A1 KR 2021004990 W KR2021004990 W KR 2021004990W WO 2021241890 A1 WO2021241890 A1 WO 2021241890A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- end plate
- spinal fusion
- fusion cage
- block
- groove
- Prior art date
Links
- 230000004927 fusion Effects 0.000 title claims abstract description 95
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 41
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 7
- 230000001976 improved effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008093 supporting effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
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- 238000004904 shortening Methods 0.000 description 2
- HQLZFBUAULNEGP-UHFFFAOYSA-N CCCC(CC)N Chemical compound CCCC(CC)N HQLZFBUAULNEGP-UHFFFAOYSA-N 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
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- 210000003041 ligament Anatomy 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Images
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
Description
Claims (25)
- 인접하는 추체에 맞닿는 제1엔드플레이트 및 제2엔드플레이트;상기 제1엔드플레이트 및 상기 제2엔드플레이트의 말단부에 상대적으로 이동가능하도록 연결되는 말단이동블럭;상기 제1엔드플레이트 및 상기 제2엔드플레이트의 근위부에 상대적으로 이동가능하도록 연결되는 근위이동블럭;회전에 의해 상기 근위이동블럭과 상기 말단이동블럭 사이의 거리를 조절하여, 상기 말단이동블럭과 상기 근위이동블럭 사이의 거리를 조절할 수 있는 조절부재; 및상기 제1엔드플레이트 및 제2엔드플레이트에 배치돼서 상기 제1엔드플레이트와 상기 제2엔드플상기 제1엔드플레이트 및 상기 제2엔드플레이트의 길이방향 또는 폭방향으로의 하중에 대해 지지하도록 형성되는 수직가이드부를 포함하고,상기 말단이동블럭 및 상기 근위이동블럭에는 블럭슬라이더가 형성되고, 상기 제1 및 제2 엔드플레이트에는 상기 블럭슬라이더에 대해 미끄럼운동하는 플레이트슬라이더가 형성되며,상기 조절부재의 축선으로부터 상기 말단이동블럭의 블럭슬라이더의 폭방향 거리는, 상기 조절부재의 축선으로부터 상기 말단이동블럭의 블럭슬라이더의 폭방향 거리보다 긴 것을 특징으로 하는 척추 유합 케이지.
- 제1항에 있어서, 상기 말단이동블럭의 주위에는 블럭보조슬라이더가 배치되고, 상기 제1 및 제 엔드플레이트에는 상기 보조블럭슬라이더에 미끄럼운동하는 플레이트보조슬라이더가 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제2항에 있어서, 상기 블럭보조슬라이더는 상기 말단이동블럭의 폭방향 단부에 배치되는 것을 특징으로 하는 척추 유합 케이지.
- 제2항에 있어서, 상기 블럭보조슬라이더는 상기 블럭슬라이더와 대향하는 방향으로 배치되는 것을 특징으로 하는 척추 유합 케이지.
- 제1항에 있어서, 상기 조절부재는 일단에 상기 말단이동블럭과 나사결합하는 나사부를 가지고, 타단에 상기 근위이동블럭에 대해 회전가능하도록 고정되는 회전지지자리를 가지며, 회전지지부재가 상기 근위이동블럭을 통해 상기 회전지지자리에 위치하는 것을 특징으로 하는 척추 유합 케이지.
- 제1항에 있어서, 상기 수직가이드부는 상기 제1엔드플레이트 또는 제2엔드플레이트의 두께방향으로 형성되는 제1수직가이드와, 상기 제1엔드플레이트 또는 제2엔드플레이트의 두께방향으로 형성되고 상기 제1수직가이드와 슬라이딩운동하는 제2수직가이드를 가지며,상기 수직가이드는 2쌍이 배치되고,상기 수직가이드 중 1쌍은 상기 제1엔드플레이트와 상기 제2엔드플레이트의 폭방향 일측에 배치되며,상기 수직가이드 중 다른 1쌍은 상기 제1엔드플레이트와 상기 제2엔드플레이트의 폭방향 타측에 배치되는 것을 특징으로 하는 척추 유합 케이지.
- 제6항에 있어서, 상기 제1수직가이드는 상기 제1 또는 제2 엔드플레이트의 두께방향으로 돌출되는 기둥이고, 상기 제2수직가이드는 상기 기둥의 외면의 일부를 감싸는 채널을 가지는 것을 특징으로 하는 척추 유합 케이지.
- 제7항에 있어서, 상기 채널은 상기 제1 또는 제2엔드플레이트에 폭방향으로 오목하게 배치되는 제1홈부와, 상기 홈부에서 상기 제1 또는 제2엔드플레이트의 두께방향으로 돌출되는 연장부에 의해 형성되는 제2홈부에 의해 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제8항에 있어서, 상기 기둥의 주위에는 상기 연장부을 수용하는 수용부가 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제8항에 있어서, 상기 제1홈부는 근위부측에 배치되는 제1홈벽과 상기 제1홈벽에 이격되어 말단부측에 배치되는 제2홈벽과 상기 제1홈벽과 제2홈벽을 연결하는 제3홈벽에 의해 오목하게 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제10항에 있어서, 상기 기둥의 폭방향 두께는 상기 제1홈부의 폭방향 깊이와 동일하고, 상기 기둥의 길이방향 두께는 상기 제1홈벽과 상기 제2홈벽의 길이방향 거리와 동일한 것을 특징으로 하는 척추 유합 케이지.
- 제8항에 있어서, 상기 제2홈부는 상기 제1 또는 제2엔드플레이트의 두께방향으로 돌출되어 근위부측에 배치되는 제1연장벽과, 상기 제1 또는 제2엔드플레이트의 두께방향으로 돌출되어 말단부측에 배치되는 제2연장벽과, 상기 제1 또는 제2엔드플레이트의 두께방향으로 돌출되어 상기 제1연장벽과 상기 제2연장벽을 연결하는 제3연장벽으로 이루어지는 연장부에 의해 형성되고, 상기 제1연장벽은 상기 제1홈벽과 평면을 이루고, 상기 제2연장벽은 상기 제2홈벽과 평면을 이루며, 상기 제3연장벽은 상기 제3홈벽과 평면을 이루는 것을 특징으로 하는 척추 유합 케이지.
- 제12항에 있어서, 상기 제2홈부의 폭방향 깊이는 상기 제1홈부의 폭방향 깊이보다 작은 것을 특징으로 하는 척추 유합 케이지.
- 제8항에 있어서, 상기 제1홈부의 주위에는 상기 기둥의 삽입을 유도하는 안내홈이 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제12항에 있어서, 상기 제1연장벽과 상기 제2연장벽의 길이방향 두께의 합은 상기 기둥의 길이방향의 두께 이상인 것을 특징으로 하는 척추 유합 케이지.
- 제12항에 있어서, 상기 제3연장벽의 폭방향 두께는 상기 기둥의 폭방향 두께와 동일한 것을 특징으로 하는 척추 유합 케이지.
- 제1항에 있어서, 상기 제1 및 제2엔드플레이트의 측부에는 관통홀이 배치되는 것을 특징으로 하는 척추 유합 케이지.
- 제1항에 있어서, 상기 제1 또는 제2엔드플레이트의 근위측 단부에는 센터홈이 배치되는 것을 특징으로 하는 척추 유합 케이지.
- 제18항에 있어서, 상기 근위이동블럭에는 커버부재가 설치되는 것을 특징으로 하는 척추 유합 케이지.
- 제19항에 있어서, 상기 커버부재는 상기 센터홈을 커버하는 커버플레이트와, 상기 커버플레이트에 관통하여 상기 근위이동블럭에 고정되는 커버볼트를 포함하는 것을 특징으로 하는 척추 유합 케이지.
- 제20항에 있어서, 상기 커버플레이에는 상기 센터홈을 가리는 연장부가 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제1항에 있어서, 상기 제1엔드플레이트 및 상기 제2엔드플레이트에 형성된 뼈스크류홀을 통해 삽입되는 뼈스크류; 및상기 뼈스크류의 이탈을 방지하기 위해 상기 근위 이동블럭에 체결되는 잠금부재를 포함하는 것을 특징으로 하는 척추 유합 케이지.
- 제22항에 있어서, 상기 잠금부재는 상기 뼈스크류를 커버하는 잠금플레이트와, 상기 잠금플레이트에 관통하여 상기 근위이동블럭에 고정되는 잠금볼트를 포함하고, 상기 근위이동블럭에는 상기 조절부재의 전단에 잠금볼트가 결합될 수 있는 잠금볼트체결부가 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제23항에 있어서, 상기 잠금플레이트의 후단에는 상기 뼈스크류를 향해 돌출되는 잠금돌기가 형성되는 것을 특징으로 하는 척추 유합 케이지.
- 제23항에 있어서, 상기 잠금볼트는 결합시 상기 조절부재와 접촉하여 가세하는 것을 특징으로 하는 척추 유합 케이지.
Priority Applications (5)
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EP21811832.1A EP4159168A1 (en) | 2020-05-25 | 2021-04-21 | Height-adjustable spinal fusion cage |
BR112022023936A BR112022023936A2 (pt) | 2020-05-25 | 2021-04-21 | Gaiola de fusão espinhal ajustável em altura |
US17/927,592 US20230201003A1 (en) | 2020-05-25 | 2021-04-21 | Height-adjustable spinal fusion cage |
JP2023515549A JP2023528544A (ja) | 2020-05-25 | 2021-04-21 | 高さ調節が可能な脊椎癒合ケージ |
AU2021278632A AU2021278632A1 (en) | 2020-05-25 | 2021-04-21 | Height-adjustable spinal fusion cage |
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KR10-2020-0062513 | 2020-05-25 | ||
KR1020200062513A KR102489197B1 (ko) | 2020-05-25 | 2020-05-25 | 높이조절이 가능한 척추 유합 케이지 |
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US (1) | US20230201003A1 (ko) |
EP (1) | EP4159168A1 (ko) |
JP (1) | JP2023528544A (ko) |
KR (3) | KR102489197B1 (ko) |
AU (1) | AU2021278632A1 (ko) |
BR (1) | BR112022023936A2 (ko) |
WO (1) | WO2021241890A1 (ko) |
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WO2022133130A1 (en) * | 2020-12-16 | 2022-06-23 | Amplify Surgical, Inc. | Anchored intervertebral implants |
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Also Published As
Publication number | Publication date |
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KR20240005635A (ko) | 2024-01-12 |
US20230201003A1 (en) | 2023-06-29 |
JP2023528544A (ja) | 2023-07-04 |
BR112022023936A2 (pt) | 2023-01-31 |
KR20210145519A (ko) | 2021-12-02 |
EP4159168A1 (en) | 2023-04-05 |
AU2021278632A1 (en) | 2023-02-02 |
KR20230009339A (ko) | 2023-01-17 |
KR102489197B1 (ko) | 2023-01-17 |
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