JP7250739B2 - 椎弓形成術用スペーサー - Google Patents
椎弓形成術用スペーサー Download PDFInfo
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- JP7250739B2 JP7250739B2 JP2020126250A JP2020126250A JP7250739B2 JP 7250739 B2 JP7250739 B2 JP 7250739B2 JP 2020126250 A JP2020126250 A JP 2020126250A JP 2020126250 A JP2020126250 A JP 2020126250A JP 7250739 B2 JP7250739 B2 JP 7250739B2
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- Japan
- Prior art keywords
- laminoplasty
- spacer
- support
- present
- fastening member
- Prior art date
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- 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
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
-
- 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
- A61B17/7059—Cortical plates
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (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)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
11 離隔部
12 第1支持部
13 第2支持部
20 第1固定部
30 第2固定部
Claims (11)
- 切除された脊椎骨の第1切断部と第2切断部を離隔状態で固定させるための椎弓形成術用スペーサーであって、
長さ方向に沿って延びる胴体部と、
前記第1切断部に固定されるように、前記胴体部の長さ方向の一側に連結される第1固定部と、
前記第2切断部に固定されるように、前記胴体部の長さ方向の他側に連結される第2固定部と、を含み、
前記胴体部は、
前記第1切断部と前記第2切断部との間に配置されて、前記第1切断部と前記第2切断部を離隔させるように、所定の長さで形成される離隔部と、
前記第1切断部の切断面を支持するように、前記離隔部と前記第1固定部との間でベンディングされて形成される第1支持部と、
前記第2切断部の切断面を支持するように、前記離隔部と前記第2固定部との間でベンディングされて形成される第2支持部を含み、
前記第1支持部の長さは、前記第2支持部の長さより長く、
前記第1支持部は、前記脊椎骨の脊柱管内から前記脊椎骨の外周に向かう方向に沿った前記第1切断部の前記切断面に面接触されるように固定され、前記第1切断部の荷重を支持するとともに前記第1切断部の前記切断面をリフトする接触面を有する、椎弓形成術用スペーサー。 - 前記第1支持部は、前記第1固定部と70度以上110度以下の角度を成す、請求項1に記載の椎弓形成術用スペーサー。
- 前記第1固定部は、2個以上の第1締結部材挿入ホールを含み、前記2個以上の第1締結部材挿入ホールのうち少なくとも一つは、中心が前記長さ方向の中心軸を基準として一側に形成され、少なくとも他の一つは、中心が前記長さ方向の中心軸を基準として他側に形成される、請求項1に記載の椎弓形成術用スペーサー。
- 前記第1固定部は、前記第1締結部材挿入ホールを3個含み、かつ、前記各第1締結部材挿入ホールの中心を連結すると、三角形が形成される、請求項3に記載の椎弓形成術用スペーサー。
- 前記第2支持部は、前記第2固定部と70度以上110度以下の角度を成す、請求項1に記載の椎弓形成術用スペーサー。
- 前記第2固定部は、前記長さ方向の中心軸を基準として対称に形成された一対の第2締結部材挿入ホールを含む、請求項1に記載の椎弓形成術用スペーサー。
- 前記第1固定部の下面、前記第2固定部の下面および前記第1支持部の支持面のうちいずれか一つ以上の少なくとも一部分には、凹凸部が形成される、請求項1に記載の椎弓形成術用スペーサー。
- 前記第2支持部の支持面の少なくとも一部分には、凹凸部が形成される、請求項1に記載の椎弓形成術用スペーサー。
- 前記離隔部は、4~18mmの長さを有するように形成される、請求項1に記載の椎弓形成術用スペーサー。
- 前記胴体部、前記第1固定部および前記第2固定部は、一体に形成される、請求項1に記載の椎弓形成術用スペーサー。
- 前記胴体部、前記第1固定部および前記第2固定部は、単一のプレート部材で形成される、請求項10に記載の椎弓形成術用スペーサー。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0089648 | 2019-07-24 | ||
KR20190089648 | 2019-07-24 |
Publications (2)
Publication Number | Publication Date |
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JP2021020067A JP2021020067A (ja) | 2021-02-18 |
JP7250739B2 true JP7250739B2 (ja) | 2023-04-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020126250A Active JP7250739B2 (ja) | 2019-07-24 | 2020-07-27 | 椎弓形成術用スペーサー |
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JP (1) | JP7250739B2 (ja) |
KR (1) | KR102586740B1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102362366B1 (ko) | 2021-07-29 | 2022-02-14 | (주)메디쎄이 | 환자 맞춤형 후궁성형술용 후궁 절단부 벌림 유지장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010142657A (ja) | 2002-05-30 | 2010-07-01 | Warsaw Orthopaedic Inc | プレート及び椎弓形成術架橋装置 |
US20190083146A1 (en) | 2017-09-15 | 2019-03-21 | Choice Spine, Lp | Laminoplasty Hinges |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US6358254B1 (en) | 2000-09-11 | 2002-03-19 | D. Greg Anderson | Method and implant for expanding a spinal canal |
RU2605147C2 (ru) | 2011-04-01 | 2016-12-20 | Зинтес Гмбх | Система для задней фиксации позвоночника пластиной |
KR101563615B1 (ko) * | 2014-04-15 | 2015-10-28 | (주)시지바이오 | 후궁성형술용 스페이서 |
CN105266877A (zh) | 2015-11-26 | 2016-01-27 | 广州聚生生物科技有限公司 | 一种脊柱椎板开门固定系统 |
US10695107B2 (en) * | 2015-12-03 | 2020-06-30 | Warsaw Orthopedic, Inc. | Spinal implant system and methods of use |
CN107550555A (zh) * | 2017-09-29 | 2018-01-09 | 赵斌 | 一种双开门微创椎板成型固定装置 |
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2020
- 2020-07-09 KR KR1020200084811A patent/KR102586740B1/ko active IP Right Grant
- 2020-07-27 JP JP2020126250A patent/JP7250739B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010142657A (ja) | 2002-05-30 | 2010-07-01 | Warsaw Orthopaedic Inc | プレート及び椎弓形成術架橋装置 |
US20190083146A1 (en) | 2017-09-15 | 2019-03-21 | Choice Spine, Lp | Laminoplasty Hinges |
Also Published As
Publication number | Publication date |
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KR102586740B1 (ko) | 2023-10-10 |
KR20210012912A (ko) | 2021-02-03 |
JP2021020067A (ja) | 2021-02-18 |
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