JP2022548344A - 斜側方脊椎癒合ケージ - Google Patents
斜側方脊椎癒合ケージ Download PDFInfo
- Publication number
- JP2022548344A JP2022548344A JP2021576428A JP2021576428A JP2022548344A JP 2022548344 A JP2022548344 A JP 2022548344A JP 2021576428 A JP2021576428 A JP 2021576428A JP 2021576428 A JP2021576428 A JP 2021576428A JP 2022548344 A JP2022548344 A JP 2022548344A
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- JP
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- Prior art keywords
- fusion cage
- spinal fusion
- oblique lateral
- straight
- lateral spinal
- 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.)
- Pending
Links
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
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Abstract
Description
Claims (11)
- 脊椎体間に挿入される斜側方脊椎癒合ケージにおいて、
前側部と、
前記前側部と距離を置いて形成される後側部と、
前記前側部と前記後側部とに連結され、脊椎体間に挿入が開始される内側部と、
前記前側部と前記後側部とに連結され、前記内側部に反対となる位置において、器具と結合される外側部と、を含み、
前記前側部と前記後側部との中心部には、曲率中心が前側を向くように屈曲される前側屈曲部及び後側屈曲部をそれぞれ含むことにより、前記後側屈曲部、前記内側部、及び前記外側部が椎体の皮質領域に位置することを特徴とする斜側方脊椎癒合ケージ。 - 前記前側部において、前記前側屈曲部を中心に、前記内側部と前記外側部との間には、直線区間である前側直線部が形成され、
前記後側部において、前記後側屈曲部を中心に、前記内側部と前記外側部との間には、直線区間である後側直線部が形成され、
前記前側直線部及び前記後側直線部は、前記後側部と前記内側部とを連結する仮想線を中心にし、両側対称で同一角度に傾くことを特徴とする請求項1に記載の斜側方脊椎癒合ケージ。 - 前記前側屈曲部の曲率半径R1は、前記後側屈曲部の曲率半径R2以下であることを特徴とする請求項1に記載の斜側方脊椎癒合ケージ。
- 前記前側直線部と前記後側直線部との最大距離を直線部幅W1とするとき、前記後側屈曲部の曲率半径R2は、前記前側屈曲部の曲率半径R1と前記直線部幅W1との和と同じであることを特徴とする請求項2に記載の斜側方脊椎癒合ケージ。
- 前記内側部は、内側に向けて突出されるラウンド型に形成され、前記内側部の曲率半径R3の大きさは、前記直線部幅W1の大きさ以上であることを特徴とする請求項4に記載の斜側方脊椎癒合ケージ。
- 前記内側部と前記後側直線部との間には、遷移部が配されることを特徴とする請求項5に記載の斜側方脊椎癒合ケージ。
- 前記遷移部の曲率半径R4は、前記内側部の曲率半径R3より大きく、前記後側部の曲率半径R2より小さいことを特徴とする請求項6に記載の斜側方脊椎癒合ケージ。
- 前記後側部の最大高さH1は、前記前側部の最大高さH2以下であることを特徴とする請求項1に記載の斜側方脊椎癒合ケージ。
- 前記前側直線部及び前記後側直線部は、前記後側部と前記内側部とを連結する仮想線を中心にし、両側対称で同一角度に傾くことを特徴とする請求項2に記載の斜側方脊椎癒合ケージ。
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KR1020190074169A KR102195236B1 (ko) | 2019-06-21 | 2019-06-21 | 사측방 척추 유합 케이지 |
KR10-2019-0074169 | 2019-06-21 | ||
PCT/KR2020/007849 WO2020256410A1 (ko) | 2019-06-21 | 2020-06-17 | 사측방 척추 유합 케이지 |
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EP (1) | EP3988058A4 (ja) |
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KR (1) | KR102195236B1 (ja) |
AU (2) | AU2020295263B2 (ja) |
BR (1) | BR112021025858A2 (ja) |
MX (1) | MX2021016007A (ja) |
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EP3988058A1 (en) | 2022-04-27 |
BR112021025858A2 (pt) | 2022-03-22 |
EP3988058A4 (en) | 2023-11-08 |
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