JP5784757B2 - 展開式の椎体間固定移植片 - Google Patents
展開式の椎体間固定移植片 Download PDFInfo
- Publication number
- JP5784757B2 JP5784757B2 JP2013555401A JP2013555401A JP5784757B2 JP 5784757 B2 JP5784757 B2 JP 5784757B2 JP 2013555401 A JP2013555401 A JP 2013555401A JP 2013555401 A JP2013555401 A JP 2013555401A JP 5784757 B2 JP5784757 B2 JP 5784757B2
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- JP
- Japan
- Prior art keywords
- implant
- body member
- plate
- cage
- receive
- 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.)
- Expired - Fee Related
Links
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- 230000037431 insertion Effects 0.000 claims description 17
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Images
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
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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
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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
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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
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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
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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
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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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- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4629—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof connected to the endoprosthesis or implant via a threaded connection
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- A61F2002/465—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor using heating means
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- A—HUMAN NECESSITIES
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00035—Other metals or alloys
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- A—HUMAN NECESSITIES
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00035—Other metals or alloys
- A61F2310/00131—Tantalum or Ta-based alloys
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
Landscapes
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- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
(1) 初期形状から展開形状へと移るように構成された展開式の椎体間固定移植片であって、
第1のケージ本体を有する第1の本体部材と、
旋回軸を中心として前記第1の本体部材に旋回式で結合された第2の本体部材であって、第2のケージ本体を有する、第2の本体部材と、
前記第1及び第2のケージ本体の少なくとも一方を少なくとも部分的に貫いて延びるチャネルであって、膨張式バルーンを受容するように構成されている、チャネルと、
を含み、前記膨張式バルーンが展開することにより、前記第1及び第2の本体部材が付勢されて互いから離れ、それによって、前記移植片が前記初期形状から前記展開形状へと移るように、前記第2の本体部材が前記第1の本体部材と隣接して構成されている、展開式の椎体間固定移植片。
(2) 前記第1の本体部材は第1の嵌合機構を有し、前記第2の本体部材は第2の嵌合機構を有し、前記第2の嵌合機構は、前記移植片が前記初期形状をなすときに、前記第1の嵌合機構と係合するように構成されている、実施態様1に記載の移植片。
(3) 前記チャネルは前記第1のケージ本体を貫いて前記第1の嵌合機構の中へと延びる、実施態様1に記載の移植片。
(4) 前記第1の嵌合機構は凹部であり、前記第2の嵌合機構は突出部であり、前記突出部は、前記移植片が前記初期形状をなすときに前記凹部と係合することが可能である、実施態様2に記載の移植片。
(5) (i)前記第1の本体部材は前記第1のケージ本体に結合された第1のプレートを更に有し、(ii)前記第2の本体部材は前記第2の細長ケージ本体に結合された第2のプレートを有する、実施態様2に記載の移植片。
(7) 前記第1のプレートは湾曲内面を画定し、前記第2のプレートは、前記第1のプレートの前記湾曲内面に対応する湾曲外面を画定しており、前記移植片が前記展開形状へと展開されているとき、前記第1のプレートが前記第2のプレートに対して移動されるようになっている、実施態様5に記載の移植片。
(8) 前記第1のプレートと前記第2のプレートはそれぞれ固定要素受容アパーチャを画定しており、該固定要素受容アパーチャは、前記第1及び第2の本体部材を椎骨に選択的に取り付けるために、対応する骨ねじを受容するように構成されている、実施態様5に記載の移植片。
(9) 前記固定要素受容アパーチャは傾斜している、実施態様8に記載の移植片。
(10) 前記第2のプレートは保持アパーチャを更に画定しており、該保持アパーチャは、挿入工具に係合され、それによって前記移植片を前記挿入工具に結合するように構成されている、実施態様8に記載の移植片。
(12) 前記移植片は、前記初期形状をなす間には、第1のフットプリント幅を有し、前記展開形状をなす間には、前記第1のフットプリント幅よりも広い第2のフットプリント幅を有する、実施態様1に記載の移植片。
(13) (i)前記第1及び第2の本体部材はそれぞれ、アパーチャを画定するジョイントを有し、(ii)前記アパーチャは整列され、ピンを受容し、そのため、前記第1の本体部材及び前記第2の本体部材はそれぞれ、前記ピンを中心として回転が可能である、実施態様1に記載の移植片。
(14) 前記チャネルは非線形である、実施態様1に記載の移植片。
(15) 初期形状と展開形状とを有するように構成された展開式の椎体間固定移植片であって、
椎骨表面に対して留められるように構成された第1の本体部材であって、第1の細長ケージ本体を有し、前記第1の細長ケージ本体は、上方及び下方の骨係合面を画定し、前記第1の細長ケージ本体は、自由端部を有する、第1の本体部材と、
前記第1の本体部材に旋回式に結合された第2の本体部材であって、第2の細長ケージ本体を有し、前記第2の細長ケージ本体は、上方及び下方の骨係合面を画定し、前記第2の細長ケージ本体は自由端部を有する、第2の本体部材と、
を備え、前記移植片は展開式要素を受容するように構成されており、そのため、前記展開式要素が展開されると、少なくとも前記第2の本体部材が前記第1の本体部材に対して旋回し、少なくとも前記第2の本体部材の前記自由端部は前記第1の本体部材の前記自由端部に対して移動し、前記移植片を前記展開形状へと展開するようになっている、移植片。
(17) 前記第1及び第2の固定要素受容アパーチャは、前記第1及び第2の本体をそれぞれの椎骨表面に対して留めるために、ねじを受容するように構成されたねじ受容アパーチャである、実施態様16に記載の移植片。
(18) 前記第1の本体部材は、前記第1のケージ本体を貫いて延びるチャネルを画定し、前記チャネルは前記展開式要素を受容するように構成されている、実施態様15に記載の移植片。
(19) 前記第1のケージ本体の前記自由端部は凹部を画定し、前記第2のケージ本体の前記自由端部は突出部を画定し、前記突出部は、前記移植片が前記初期形状をなすときに前記凹部と係合する、実施態様18に記載の移植片。
(20) 前記第1の本体部材は、湾曲内面を画定する第1のプレートを更に有し、前記本体部材は、前記第1のプレートの前記湾曲内面に対応する湾曲外面を画定する第2のプレートを有しており、前記移植片が前記展開形状へと展開されているとき、前記第1のプレートが前記第2のプレートに対して移動可能になっている、実施態様15に記載の移植片。
(22) 前記第2の本体部材は保持アパーチャを更に画定しており、該保持アパーチャは、挿入工具によって係合され、それによって前記移植片を前記挿入工具に結合するように構成されている、実施態様15に記載の移植片。
(23) 前記展開式要素は膨張式バルーンである、実施態様15に記載の移植片。
(24) 前記第1の細長ケージ本体は、前記第1の細長ケージ本体と第2の細長ケージ本体との間に空洞が画定されるように、前記第2の細長ケージ本体から離間されており、前記空洞は前記展開式要素を受容するように構成されている、実施態様15に記載の移植片。
(25) 前記第1の本体部材は、骨に取り付けられるように構成されており、そのため、前記展開式要素が展開されるとき、前記第2の本体部材のみが前記第1の本体部材に対して旋回するようになっている、実施態様15に記載の移植片。
展開式の移植片を前記椎間腔の中に挿入することであって、前記移植片は、第1の本体部材と、前記第1の本体部材に旋回式で結合された第2の本体部材とを有し、前記第1及び第2の本体部材はそれぞれ固定要素受容アパーチャを有し、前記移植片は第1の挿入幅を有する、ことと、
膨張式バルーンを前記移植片内に定置することと、
前記移植片が、前記横断方向に実質的に垂直な方向に、前記第1の幅よりも広い第2の幅へと展開するように、前記バルーンを膨張させることと、
を含む、方法。
(27) 前記第1及び第2の本体部材の一方は、前記膨張式バルーンを受容するチャネルを画定する、実施態様26に記載の方法。
(28) 前記固定要素受容アパーチャはそれぞれ傾斜している、実施態様26に記載の方法。
(29) 前記バルーンが膨張すると前記第2の本体部材が前記第1の本体部材に対して回転するように、前記バルーンを膨張させる前に前記第1の本体部材の前記固定要素受容アパーチャを通じて固定要素を挿入することを更に含む、実施態様26に記載の方法。
(30) 前記バルーンが膨張すると、前記第1の本体部材が前記第2の本体部材に対して回転するように、前記バルーンを膨張させる前に、前記第2の本体部材の前記固定要素受容アパーチャを通じて固定要素を挿入することを更に含む、実施態様26に記載の方法。
Claims (23)
- 初期形状から展開形状へと移るように構成された展開式の椎体間固定移植片であって、
第1のケージ本体及び前記第1のケージ本体に結合された第1のプレートを有する第1の本体部材であって、前記第1のプレートは、対応する骨ねじを受容するように構成された固定要素受容アパーチャを画定している、第1の本体部材と、
旋回軸を中心として前記第1の本体部材に旋回式で結合された第2の本体部材であって、第2のケージ本体及び前記第2のケージ本体に結合された第2のプレートを有し、前記第2のプレートは、対応する骨ねじを受容するように構成された固定要素受容アパーチャを画定している、第2の本体部材と、
前記第1及び第2のケージ本体の少なくとも一方を少なくとも部分的に貫いて延びるチャネルであって、膨張式バルーンを受容するように構成されている、チャネルと、
を含み、前記膨張式バルーンが展開することにより、前記第1及び第2の本体部材が付勢されて互いから離れ、それによって、前記移植片が前記初期形状から前記展開形状へと移るように、前記第2の本体部材が前記第1の本体部材と隣接して構成されている、展開式の椎体間固定移植片。 - 前記第1の本体部材は第1の嵌合機構を有し、前記第2の本体部材は第2の嵌合機構を有し、前記第2の嵌合機構は、前記移植片が前記初期形状をなすときに、前記第1の嵌合機構と係合するように構成されている、請求項1に記載の移植片。
- 前記チャネルは前記第1のケージ本体を貫いて前記第1の嵌合機構の中へと延びる、請求項1に記載の移植片。
- 前記第1の嵌合機構は凹部であり、前記第2の嵌合機構は突出部であり、前記突出部は、前記移植片が前記初期形状をなすときに前記凹部と係合することが可能である、請求項2に記載の移植片。
- 前記チャネルは前記第1のケージ本体の全長にわたって延びる、請求項1に記載の移植片。
- 前記第1のプレートは湾曲内面を画定し、前記第2のプレートは、前記第1のプレートの前記湾曲内面に対応する湾曲外面を画定しており、前記移植片が前記展開形状へと展開されているとき、前記第1のプレートが前記第2のプレートに対して移動されるようになっている、請求項1に記載の移植片。
- 前記固定要素受容アパーチャは傾斜している、請求項1に記載の移植片。
- 前記第2のプレートは保持アパーチャを更に画定しており、該保持アパーチャは、挿入工具に係合され、それによって前記移植片を前記挿入工具に結合するように構成されている、請求項7に記載の移植片。
- 前記保持アパーチャは前記チャネルと整列され、前記チャネルと前記保持アパーチャの両方が前記膨張式バルーンを受容するように構成されている、請求項8に記載の移植片。
- 前記移植片は、前記初期形状をなす間には、第1のフットプリント幅を有し、前記展開形状をなす間には、前記第1のフットプリント幅よりも広い第2のフットプリント幅を有する、請求項1に記載の移植片。
- (i)前記第1及び第2の本体部材はそれぞれ、アパーチャを画定するジョイントを有し、(ii)前記アパーチャは整列され、ピンを受容し、そのため、前記第1の本体部材及び前記第2の本体部材はそれぞれ、前記ピンを中心として回転が可能である、請求項1に記載の移植片。
- 前記チャネルは非線形である、請求項1に記載の移植片。
- 初期形状と展開形状とを有するように構成された展開式の椎体間固定移植片であって、
椎骨表面に対して留められるように構成された第1の本体部材であって、第1の細長ケージ本体を有し、前記第1の細長ケージ本体は、上方及び下方の骨係合面を画定し、前記第1の細長ケージ本体は、自由端部を有する、第1の本体部材と、
旋回軸において前記第1の本体部材に旋回式に結合された第2の本体部材であって、第2の細長ケージ本体を有し、前記第2の細長ケージ本体は、上方及び下方の骨係合面を画定し、前記第2の細長ケージ本体は自由端部を有する、第2の本体部材と、
を備え、前記移植片は展開式要素を受容するように構成されており、そのため、前記展開式要素が展開されると、少なくとも前記第2の本体部材が前記旋回軸を中心として前記第1の本体部材に対して旋回し、少なくとも前記第2の本体部材の前記自由端部は前記第1の本体部材の前記自由端部に対して移動し、前記移植片を前記展開形状へと展開するようになっている、移植片。 - 前記第1の本体部材は、固定要素を受容するように構成された第1の傾斜固定要素受容アパーチャを更に有し、前記第2の本体部材は、固定要素を受容するように構成された第2の傾斜固定要素受容アパーチャを更に有する、請求項13に記載の移植片。
- 前記第1及び第2の固定要素受容アパーチャは、前記第1及び第2の本体をそれぞれの椎骨表面に対して留めるために、ねじを受容するように構成されたねじ受容アパーチャである、請求項14に記載の移植片。
- 前記第1の本体部材は、前記第1のケージ本体を貫いて延びるチャネルを画定し、前記チャネルは前記展開式要素を受容するように構成されている、請求項13に記載の移植片。
- 前記第1のケージ本体の前記自由端部は凹部を画定し、前記第2のケージ本体の前記自由端部は突出部を画定し、前記突出部は、前記移植片が前記初期形状をなすときに前記凹部と係合する、請求項16に記載の移植片。
- 前記第1の本体部材は、湾曲内面を画定する第1のプレートを更に有し、前記本体部材は、前記第1のプレートの前記湾曲内面に対応する湾曲外面を画定する第2のプレートを有しており、前記移植片が前記展開形状へと展開されているとき、前記第1のプレートが前記第2のプレートに対して移動可能になっている、請求項13に記載の移植片。
- 前記第1の傾斜固定要素受容アパーチャは、前記上方椎体と係合する骨ねじを受容するように構成されており、前記第2の傾斜固定要素受容アパーチャは、前記下方椎体と係合する骨ねじを受容するように構成されている、請求項14に記載の移植片。
- 前記第2の本体部材は保持アパーチャを更に画定しており、該保持アパーチャは、挿入工具によって係合され、それによって前記移植片を前記挿入工具に結合するように構成されている、請求項13に記載の移植片。
- 前記展開式要素を更に備え、前記展開式要素は膨張式バルーンである、請求項13に記載の移植片。
- 前記第1の細長ケージ本体は、前記第1の細長ケージ本体と第2の細長ケージ本体との間に空洞が画定されるように、前記第2の細長ケージ本体から離間されており、前記空洞は前記展開式要素を受容するように構成されている、請求項13に記載の移植片。
- 前記第1の本体部材は、骨に取り付けられるように構成されており、そのため、前記展開式要素が展開されるとき、前記第2の本体部材のみが前記第1の本体部材に対して旋回するようになっている、請求項13に記載の移植片。
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FR3009493B1 (fr) * | 2013-08-08 | 2015-08-14 | Scientia Consulting | Cage de fusion intervertebrale |
US9351847B2 (en) * | 2013-08-22 | 2016-05-31 | Globus Medical, Inc. | Interbody fusion devices with self-affixing mechanisms |
US11160666B2 (en) | 2014-05-15 | 2021-11-02 | Globus Medical, Inc. | Laterally insertable intervertebral spinal implant |
US9545320B2 (en) * | 2014-05-15 | 2017-01-17 | Globus Medical, Inc. | Standalone interbody implants |
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CA1283501C (en) * | 1987-02-12 | 1991-04-30 | Thomas P. Hedman | Artificial spinal disc |
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