JP2019503239A - 拡張可能インプラントおよび挿入ツール - Google Patents
拡張可能インプラントおよび挿入ツール Download PDFInfo
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- JP2019503239A JP2019503239A JP2018538609A JP2018538609A JP2019503239A JP 2019503239 A JP2019503239 A JP 2019503239A JP 2018538609 A JP2018538609 A JP 2018538609A JP 2018538609 A JP2018538609 A JP 2018538609A JP 2019503239 A JP2019503239 A JP 2019503239A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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Abstract
Description
[0063]本発明の他の実施形態は、本明細書において開示された本発明の仕様および実践を考察することから、当業者には明らかになるであろう。仕様および例は単に例示的なものと見なされることが意図されており、本発明の真の範囲および精神は、以下の特許請求の範囲によって示される。
Claims (16)
- 隣接する上側椎体と下側椎体との間の椎体間隙内に挿入するための拡張可能脊椎インプラントであって、
後端部、前端部、前記上側椎体の端板に係合するための上面、前記下側椎体の端板に係合するための下面、および、キャリッジ部分の少なくとも一部分を受け入れるように構成された内部空洞を有する、本体部分と、
第1のアーム部分、第2のアーム部分、前記第1のアーム部分および前記第2のアーム部分を互いに引き離しかつ取り付けるカラー部分、前記第1のアーム部分および前記第2のアーム部分に取り付けられたヘッド部分、ならびに、前記第1のアーム部分および前記第2のアーム部分に沿って延在する溝を有する、前記キャリッジ部分であって、前記第1のアーム部分および前記第2のアーム部分の一部分が、前記本体部分の前記内部空洞内に受け入れられることができ、前記第1のアーム部分および前記第2のアーム部分が、前記本体部分に対して後退位置と拡張位置との間で移動可能であり、前記カラー部分が、それを貫いて延在するねじ付き開口部を含み、前記ヘッド部分が、拡張可能部分の一部分を支持するように構成され、前記溝が、前記拡張可能部分の前記一部分を前記キャリッジ部分に取り付けるためのピンを受け入れるように構成された、キャリッジ部分と、
上部顎部分および下部顎部分を含む前記拡張可能部分であって、前記上部顎部分および前記下部顎部分が、前記第1のアーム部分および前記第2のアーム部分の前記ヘッド部分に取り付けられ、前記上部顎部分および前記下部部分が、前記上部顎部分および前記下部顎部分を前記第1のアーム部分および前記第2のアーム部分の前記ヘッド部分に取り付けるためにそれを貫通する前記ピンを受け入れるための開口部を有する、拡張可能部分と、
展開ねじ、および前記展開ねじに係合するヨーク部分を含む、展開部分であって、前記展開ねじの少なくとも一部分が、前記カラー部分の前記ねじ付き開口部内に受け入れられ、前記ヨーク部分が、前記ヨーク部分を前記上部顎部分、前記下部顎部分、ならびに前記第1のアーム部分および前記第2のアーム部分の前記ヘッド部分に取り付けるためにそれを貫通する前記ピンを受け入れるための開口部を含み、前記展開ねじが、前記カラー部分の前記ねじ付き開口部に対する前記展開ねじの回転を介して第1の位置と第2の位置との間で移動可能であり、前記展開ねじの回転運動が、前記ヨーク部分およびそれを貫通して受け入れられた前記ピンを前記キャリッジ部分の前記溝に沿って移動させる働きをし、前記溝内での前記ピンの移動が、前記上部顎部分および前記下部顎部分を閉位置と開位置との間で移動させる働きをする、展開部分と、
を備える、拡張可能脊椎インプラント。 - 前記上部顎部分が、前記第1のアーム部分および前記第2のアーム部分の前記ヘッド部分のうちの1つと係合するための少なくとも1つのペグを含み、前記下部顎部分が、前記第1のアーム部分および前記第2のアーム部分の前記ヘッド部分の1つと係合するための少なくとも1つのペグを含み、前記上部顎部分の前記少なくとも1つのペグが、前記ヘッド部分のうちの少なくとも1つにある第1のくぼみ内に受け入れられ、前記下部顎部分の前記少なくとも1つのペグが、前記ヘッド部分のうちの少なくとも1つにある第2のくぼみ内に受け入れられる、請求項1に記載の拡張可能脊椎インプラント。
- 前記第1のくぼみにおける前記上部顎部分の前記少なくとも1つのペグの相互作用が、前記第1のアーム部分および前記第2のアーム部分の前記溝内での前記ピンの移動に起因して前記上部顎部分を枢動させるための第1の枢支点を作り出し、前記第2のくぼみにおける前記下部顎部分の前記少なくとも1つのペグの相互作用が、前記第1のアーム部分および前記第2のアーム部分の前記溝内での前記ピンの移動に起因して前記下部顎部分を枢動させるための第2の枢支点を作り出す、請求項2に記載の拡張可能脊椎インプラント。
- 前記第1の枢支点の周りでの前記上部顎部分の枢動、および前記第2の枢支点の周りでの前記下部顎部分の枢動が、前記拡張可能部分を開閉させる働きをする、請求項3に記載の拡張可能脊椎インプラント。
- 請求項1に記載の拡張可能脊椎インプラントと挿入器具との組合せであって、前記挿入器具が、
第1のスリーブ部分および第2のスリーブ部分であって、前記第2のスリーブ部分が、前記第1のスリーブ部分内に部分的に受け入れられ、前記第1のスリーブ部分が、互いに向かい合った第1の端部および第2の端部を含み、前記第2のスリーブ部分が、互いに向かい合った第1の端部および第2の端部を含み、前記第2のスリーブ部分が、前記第2のスリーブ部分の前記第1の端部に隣接した第1のアーム区間および第2のアーム区間を含み、前記第1のアーム区間および前記第2のアーム区間が、互いに離れるように付勢される、第1のスリーブ部分および第2のスリーブ部分
を備え、前記第2のスリーブ部分が前記第1のスリーブ部分内に受け入れられているときに、前記第2のスリーブ部分の前記第1の端部に向かう前記第1のスリーブの前記第1の端部の運動が、前記第1のアーム部分および前記第2のアーム部分を互いに向けて押す働きをする、拡張可能脊椎インプラントと挿入器具との組合せ。 - 前記挿入器具が、
前記第1のアーム区間上に設けられた第1の戻り止め、および、前記第2のアーム区間上に設けられた第2の戻り止め
をさらに備え、前記第1のアーム区間および前記第2のアーム区間が互いに向かって移動されるときに、前記第1の戻り止めが、前記本体部分にある第1の戻り止め受入れ穴内に受け入れられることができ、前記第2の戻り止めが、前記本体部分にある第2の戻り止め受入れ穴内に受け入れられることができ、前記拡張可能脊椎インプラントが、前記第1の戻り止めが前記第1の戻り止め受入れ穴内に挿入されかつ前記第2の戻り止めが前記第2の戻り止め受入れ穴内に挿入された状態で、前記第2のスリーブ部分に解放可能に取り付けられる、請求項5に記載の拡張可能脊椎インプラントと挿入器具との組合せ。 - 前記挿入器具が、
押込み部分および駆動部分であって、前記駆動部分が、前記押込み部分内に部分的に受け入れられかつその中で摺動可能であり、前記押込み部分が、前記第2のスリーブ部分内に部分的に受け入れられかつその中で摺動可能であり、前記押込み部分が、前記拡張可能脊椎インプラントが前記第2のスリーブ部分に解放可能に取り付けられているときに、前記キャリッジ部分を前記後退位置から前記伸長位置へ押すことができ、前記駆動部分が、前記拡張可能脊椎インプラントが前記第2のスリーブ部分に解放可能に取り付けられているときに、前記拡張可能部分を相応に開閉させるように前記展開ねじを回転させることができる、押込み部分および駆動部分をさらに備える、請求項5に記載の拡張可能脊椎インプラントと挿入器具との組合せ。 - 前記本体部分の前記上面および前記下面が、それぞれ、前記上部および下部の椎体の前記端板の表面に係合するための粗面化特徴を含んで、前記本体部分が前記端板の表面間に位置決めされたときに、前記後退位置から前記伸長位置への前記キャリッジ部分の移動中、および、前記閉位置と前記開位置との間での前記上部顎部分および前記下部顎部分の運動中の、前記本体部分の運動を抑制する、請求項1に記載の拡張可能脊椎インプラント。
- 前記本体部分の前記上面および前記下面を貫通する開口部をさらに備え、前記開口が、前記内部空洞と連通し、かつ、前記上側椎体と前記下側椎体との間での骨成長を可能にしてその癒合を促進する、請求項1に記載の拡張可能脊椎インプラント。
- 隣接する上側椎体と下側椎体との間の椎体間隙内に挿入するための拡張可能脊椎インプラントであって、
キャリッジ部分の少なくとも一部分を受け入れるように構成された内部空洞を有する本体部分と、
それを貫通するねじ付き開口部を含む前記キャリッジ部分であって、前記本体部分に対して後退位置と拡張位置との間で移動可能であり、それを貫通する少なくとも1つの溝を含み、拡張可能部分の一部分を支持するように構成され、前記少なくとも1つの溝が、前記拡張可能部分の前記一部分を前記キャリッジ部分に取り付けるためのピンを受け入れるように構成された、キャリッジ部分と、
上部顎部分および下部顎部分を含む前記拡張可能部分であって、前記上部顎部分および前記下部部分が、前記上部顎部分および前記下部顎部分を前記キャリッジ部分に取り付けるためにそれを貫通する前記ピンを受け入れるための開口部を有する、拡張可能部分と、
展開ねじ、および前記展開ねじに係合するヨーク部分を含む、展開部分であって、前記展開ねじの少なくとも一部分が、前記キャリッジ部分の前記ねじ付き開口部内に受け入れられ、前記ヨーク部分が、前記ヨーク部分を前記上部顎部分、前記下部顎部分、および前記キャリッジ部分に取り付けるためにそれを貫通する前記ピンを受け入れるための開口部を含み、前記展開ねじが、前記キャリッジ部分の前記ねじ付き開口部に対する前記展開ねじの回転を介して第1の位置と第2の位置との間で移動可能であり、前記展開ねじの回転運動が、前記ヨーク部分およびそれを貫通して受け入れられた前記ピンを前記キャリッジ部分の前記少なくとも1つの溝に沿って移動させる働きをし、前記少なくとも1つの溝内での前記ピンの移動が、前記上部顎部分および前記下部顎部分を閉位置と開位置との間で移動させる働きをする、展開部分と、
を備える、拡張可能脊椎インプラント。 - 前記上部顎部分が、前記キャリッジ部分に係合するための少なくとも1つのペグを含み、前記下部顎部分が、前記キャリッジ部分に係合するための少なくとも1つのペグを含み、前記上部顎部分の前記少なくとも1つのペグが、前記キャリッジ部分にある第1のくぼみに受け入れられ、前記下部顎部分の前記少なくとも1つのペグが、前記キャリッジ部分にある第2のくぼみに受け入れられる、請求項9に記載の拡張可能脊椎インプラント。
- 前記第1のくぼみにおける前記上部顎部分の前記少なくとも1つのペグの相互作用が、前記キャリッジ部分の前記少なくとも1つの溝内での前記ピンの移動に起因して前記上部顎部分を枢動させるための第1の枢支点を作り出し、前記第2のくぼみにおける前記下部顎部分の前記少なくとも1つのペグの相互作用が、前記キャリッジ部分の前記少なくとも1つの溝内での前記ピンの移動に起因して前記下部顎部分を枢動させるための第2の枢支点を作り出す、請求項10に記載の拡張可能脊椎インプラント。
- 前記第1の枢支点の周りでの前記上部顎部分の枢動、および前記第2の枢支点の周りでの前記下部顎部分の枢動が、前記拡張可能部分を開閉させる働きをする、請求項11に記載の拡張可能脊椎インプラント。
- 請求項9に記載の拡張可能脊椎インプラントと挿入器具との組合せであって、前記挿入器具が、
第1のスリーブ部分および第2のスリーブ部分であって、前記第2のスリーブ部分が、前記第1のスリーブ部分内に部分的に受け入れられ、前記第1のスリーブ部分が、互いに向かい合った第1の端部および第2の端部を含み、前記第2のスリーブ部分が、互いに向かい合った第1の端部および第2の端部を含み、前記第2のスリーブ部分が、前記第2のスリーブ部分の前記第1の端部に隣接した第1のアーム区間および第2のアーム区間を含み、前記第1のアーム区間および前記第2のアーム区間が、互いに離れるように付勢される、第1のスリーブ部分および第2のスリーブ部分
を備え、前記第2のスリーブ部分が前記第1のスリーブ部分内に受け入れられているときに、前記第2のスリーブ部分の前記第1の端部に向かう前記第1のスリーブの前記第1の端部の運動が、前記第1のアーム部分および前記第2のアーム部分を互いに向けて押す働きをする、拡張可能脊椎インプラントと挿入器具との組合せ。 - 前記挿入器具が、
前記第1のアーム区間上に設けられた第1の戻り止め、および、前記第2のアーム区間上に設けられた第2の戻り止め
をさらに備え、前記第1のアーム区間および前記第2のアーム区間が互いに向かって移動されるときに、前記第1の戻り止めが、前記本体部分にある第1の戻り止め受入れ穴内に受け入れられることができ、前記第2の戻り止めが、前記本体部分にある第2の戻り止め受入れ穴内に受け入れられることができ、前記拡張可能脊椎インプラントが、前記第1の戻り止めが前記第1の戻り止め受入れ穴内に挿入されかつ前記第2の戻り止めが前記第2の戻り止め受入れ穴内に挿入された状態で、前記第2のスリーブ部分に解放可能に取り付けられる、請求項13に記載の拡張可能脊椎インプラントと挿入器具との組合せ。 - 前記挿入器具が、
押込み部分および駆動部分であって、前記駆動部分が、前記押込み部分内に部分的に受け入れられかつその中で摺動可能であり、前記押込み部分が、前記第2のスリーブ部分内に部分的に受け入れられかつその中で摺動可能であり、前記押込み部分が、前記拡張可能脊椎インプラントが前記第2のスリーブ部分に解放可能に取り付けられているときに、前記キャリッジ部分を前記後退位置から前記伸長位置へ押すことができ、前記駆動部分が、前記拡張可能脊椎インプラントが前記第2のスリーブ部分に解放可能に取り付けられているときに、前記拡張可能部分を相応に開閉させるように前記展開ねじを回転させることができる、押込み部分および駆動部分をさらに備える、請求項14に記載の拡張可能脊椎インプラントと挿入器具との組合せ。
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AU2017212648B2 (en) | 2021-03-04 |
US10076421B2 (en) | 2018-09-18 |
US20180078385A1 (en) | 2018-03-22 |
CN112603610A (zh) | 2021-04-06 |
AU2017212648A1 (en) | 2018-08-02 |
WO2017132520A1 (en) | 2017-08-03 |
CN108601663A (zh) | 2018-09-28 |
CN108601663B (zh) | 2020-12-15 |
EP3407838B1 (en) | 2020-10-14 |
EP3766460A1 (en) | 2021-01-20 |
EP3407838A4 (en) | 2019-09-18 |
EP3766460B1 (en) | 2022-01-26 |
CN112603610B (zh) | 2024-01-12 |
EP3407838A1 (en) | 2018-12-05 |
US20170216051A1 (en) | 2017-08-03 |
JP7018887B2 (ja) | 2022-02-14 |
US9937054B2 (en) | 2018-04-10 |
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