JP2016510664A - 移植片チャンバを有する拡張可能な椎体間固定デバイス - Google Patents
移植片チャンバを有する拡張可能な椎体間固定デバイス Download PDFInfo
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- JP2016510664A JP2016510664A JP2016500460A JP2016500460A JP2016510664A JP 2016510664 A JP2016510664 A JP 2016510664A JP 2016500460 A JP2016500460 A JP 2016500460A JP 2016500460 A JP2016500460 A JP 2016500460A JP 2016510664 A JP2016510664 A JP 2016510664A
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- Japan
- Prior art keywords
- end plate
- opening
- insert
- channel
- interbody fusion
- 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.)
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- A61F2/4611—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 of spinal prostheses
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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
- 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
- A61F2/46—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
- A61F2002/4625—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 with relative movement between parts of the instrument during use
- A61F2002/4627—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 with relative movement between parts of the instrument during use with linear motion along or rotating motion about the instrument axis or the implantation direction, e.g. telescopic, along a guiding rod, screwing inside the instrument
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
- A61F2250/0009—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting thickness
-
- 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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Neurology (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)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
Description
12 上方端板
12a 上側外面
14 下方端板
14a 下側外面
16 ハブ
18、20 側面
22、24 端面
26 下面
28 ウェハ嵌合機構
30 溝
32 開口部
34 上側エンドキャップ
36、38 側壁
40 後端壁
42 前端壁
44 内側キャビティ
46 ウェハチャネル
48 レッジ
50 連結(ねじ山付き)開口部
52 ノッチ
54 開口部
56 窓
100 ウェハ
100a 第1のウェハ
100b 新しく挿入されたウェハ
102 上面
104 下面
106 後端
108 前端
112、114 アーム
116 U形(後ろ向き)開口部
118 押付け面
120 下向き斜面
122 上向き斜面
124 プロング
126 係止面
128 Tスロット形状部
130 Tバー形状部
200 インサータ
202 トラックアセンブリ
204 ハンドル
206 カートリッジ
208 指部
210 ガイドピン
210a 遠位端
212 ドライブ
214 即脱部材
Claims (28)
- 脊椎の対向する2つの椎体の間の椎間板内空間に埋め込まれるための拡張可能な椎体間固定デバイスにおいて、
前記椎体の一方と接触するように構成された外面、および前記外面を貫通して延在する開口部を有する第1の端板と、
前記椎体の他方と接触するように構成された外面、および内側の支持面を有する第2の端板であって、前記第2の端板が、間隔を置いて配置された対向する側壁と、間隔を置いて配置された対向する前端壁および後端壁とを有し、前記側壁、前記前端壁、および前記後端壁の中には、完全に周りが囲まれた内側キャビティが画定され、前記支持面が、前記内側キャビティ内にあり、前記第1の端板が前記内側キャビティ内に受容され、前記第2の端板が、少なくとも1つの開口部を有し、前記少なくとも1つの開口部が、前記外面および前記支持面を貫通して延在すると共に前記内側キャビティと連通しており、前記内側キャビティと連通している完全に周りが囲まれたチャネルが、前記後端壁を貫通して画定され、前記第1の端板が、前記第2の端板に対して拡張方向に対向する前記椎体へ向かって可動である、第2の端板と、
上面と、反対側の下面と、前端と、後端と、前記上面、前記下面、および前記後端の最後部面を貫通して延在する後ろ向きに開口した開口部とを有する少なくとも1つのインサートであって、前記少なくとも1つのインサートが、前記第1の端板と前記第2の端板との間に、前記チャネルから前記内側キャビティ内へ、前記拡張方向に実質的に垂直な挿入方向に導入されるように構成されていると共に、その中で、前記インサートの前記前端が前記第2の端板の前記前端壁に隣接し、かつ前記インサートの前記後端が前記第2の端板の前記後端壁に隣接する状態で、前記支持面によって支持されるように構成されており、後ろ向きの前記開口部が、前記チャネルと連通すると共に、前記第1の端板および前記第2の端板を貫通している前記開口部と少なくとも部分的に位置合せされる、少なくとも1つのインサートと、
前記少なくとも1つのインサートを前記椎体間固定デバイス内で係止するための、前記少なくとも1つのインサートと前記第1の端板および前記第2の端板の部材の一方とにある複数の協働係止面と
を備える、椎体間固定デバイス。 - 前記少なくとも1つのインサートが、前記上面と前記下面との間に、前記後ろ向きに開口した開口部内にあり、かつ前記後ろ向きに開口した開口部と連通している押付け面を含む、請求項1に記載の椎体間固定デバイス。
- 前記複数の協働係止面のうちの係止面が、前記上面および前記下面の一方に、前記インサートの前端に隣接して配設され、前記後ろ向きに開口した開口部が、U形開口部を画定し、前記開口部の基部が、前記押付け面を画定している、請求項2に記載の椎体間固定デバイス。
- 前記係止面が、少なくとも1つの弾性的に相互係止する要素を含む、請求項3に記載の椎体間固定デバイス。
- 前記協働係止面が、前記上面および前記下面の一方にTバー形状部をさらに含み、前記上面および前記下面の他方にTバー形状部をさらに含む、請求項4に記載の椎体間固定デバイス。
- 実質的に同一の形状の前記少なくとも1つのインサートを少なくとも2つ含む、請求項5に記載の椎体間固定デバイス。
- 前記第2の端板の材料が、実質的に放射線不透過性であり、前記第2の端板が、前記椎体間固定デバイスの拡張中に前記第1の端板および前記少なくとも1つのインサートの一方をそこから観察するための少なくとも1つの窓を有する、請求項1に記載の椎体間固定デバイス。
- 前記第2の端板の前記後端壁を貫通している、ねじ山付き開口部をさらに含み、前記ねじ山付き開口部が、前記チャネルから間隔を置いて配置され、前記椎体間固定デバイスを前記対向する2つの椎体間の前記椎間板内空間に挿入するように、インサータのガイドピンをねじ式に受けるように構成される、請求項1に記載の椎体間固定デバイス。
- 脊椎内の1つの椎体に接触する第1の外面と、前記脊椎内の対向する第2の椎体に接触する第2の外面と、前端と、後端とを含む、拡張可能なデバイスと、
前記デバイスの前記後端に解除可能に取り付けられ、前記拡張可能なデバイスにインサートを挿入するためのトラックを含むインサータであって、前記デバイスに解除可能に連結され、かつ前記インサータに取外し可能に連結されたガイドピンを備える、インサータと
を備える、脊椎椎体間固定に使用するための装置。 - 前記デバイスが、前記第1の外面を貫通している第1の開口部と、前記第2の外面を貫通している第2の開口部と、前記後端を貫通しているチャネルとを備え、前記ガイドピンが、前記チャネルから間隔を置いた位置で、前記デバイスに解除可能に連結される、請求項9に記載の装置。
- 前記インサータが、前記チャネルに1枚ずつ下から順次挿入するための複数のインサートを支持し、前記インサートの各々が、後ろ向き開口部と、前記インサートを前記デバイスに挿入する前記インサータのドライバによって係合される押付け面とを有する、請求項10に記載の装置。
- 前記ガイドピンが、前記インサータが前記デバイスおよび前記ガイドピンから取り外されても、前記デバイスと解除可能に連結され、前記ガイドピンが、前記チャネルから前記デバイスに移植片材料を導入するための装置を含めた別の装置にその後取り付けるためのロケータとして働く、請求項9に記載の装置。
- 前記拡張可能なデバイスが、前記第1の外面、およびそこを貫通している前記第1の開口部を画定する第1の端板と、前記第2の外面、およびそこを貫通している前記第2の開口部を画定する第2の端板とを備え、前記第1の端板と、前記第2の端板とが、互いに対して拡張方向に可動である、請求項10に記載の装置。
- 前記第2の端板が、その後端に前記チャネルを含み、前記第2の端板の前記後端が、前記インサータを解除可能に取り付けるための取付け面を含む、請求項13に記載の装置。
- 前記取付け面が、前記第2の端板の前記後端に隣接する少なくとも1つのノッチを含む、請求項14に記載の装置。
- 前記インサータが、前記少なくとも1つのノッチに解除可能に係合される少なくとも1つの指部を備える遠位端を含む、請求項15に記載の装置。
- 前記ガイドピンが、細長く、遠位端および近位端を有し、前記遠位端が、ねじ山付き区域を有し、前記取付け面が、前記ガイドピンの前記ねじ山付き区域を受けるねじ山付き開口部を含む、請求項13に記載の装置。
- 前記インサータが、遠位端および近位端を有するトラックアセンブリを含み、前記トラックアセンブリが、前記ガイドピンを支持し、かつ前記ガイドピンから取外し可能である、請求項17に記載の装置。
- 前記インサータが、前記ガイドピンを前記第2の端板の前記後端に解除可能に連結させたままとしながら、前記トラックアセンブリを前記ガイドピンから取り外すことを可能とする回転式即脱部材を、前記トラックアセンブリの前記近位端に含む、請求項18に記載の装置。
- 前記インサータが、前記第2の端板の前記後端を貫通している前記チャネルから前記拡張可能なデバイスに挿入するための少なくとも1つのインサートを支持する、請求項19に記載の装置。
- 前記トラックアセンブリが、前記トラックアセンブリの上を並進可能に可動な細長いドライバをさらに備え、前記ドライバが、遠位端および近位端を有し、前記遠位端が、前記インサートと係合し、前記インサートを前記チャネルから前記拡張可能なデバイスへと駆動するように構成される、請求項20に記載の装置。
- 前記インサートが、前端と、後端と、U形開口部を画定している後ろ向き開口部と、押付け面を画定している前記開口部の基部とを有する細長い本体を備える、請求項21に記載の装置。
- 前記ドライバが、前記インサートの前記U形開口部に入り、前記インサートの前記押付け面と係合するように寸法設定され、構成される、請求項22に記載の装置。
- 前記インサータが、前記トラックアセンブリに取り付けられ、前記ドライバを前記トラックアセンブリに沿って並進可能に進めるように動作可能であるアクチュエータを含む、請求項23に記載の装置。
- 脊椎内の1つの椎体に接触する第1の外面と、前記脊椎内の対向する第2の椎体に接触する第2の外面と、前端と、後端と、前記後端を貫通しているチャネルと、前記後端の、前記チャネルから間隔を置いた位置にある取付け面とを含む、拡張可能なデバイスと、
前記拡張可能なデバイスの前記取付け面で、前記拡張可能なデバイスに解除可能に取り付けられたガイドピンと
を備える、脊椎椎体間固定に使用するための装置。 - 前記ガイドピンが前記拡張可能なデバイスに解除可能に取り付けられながら、前記チャネルから前記拡張可能なデバイスに受けられる骨移植片の材料をさらに備える、請求項25に記載の装置。
- 前記デバイスが、前記第1の外面を貫通している第1の開口部と、前記第2の外面を貫通している第2の開口部と、前記後端を貫通しているチャネルとを備え、前記ガイドピンが、前記チャネルから間隔を置いた位置で、前記デバイスに解除可能に連結され、前記骨移植片が、前記拡張可能なデバイス内に配設され、前記第1の開口部および前記第2の開口部へと配設される、請求項26に記載の装置。
- 前記ガイドピンが、細長く、その一端がねじ山付き区域を備え、前記拡張可能なデバイスの前記後端にある前記取付け面が、前記ガイドピンの前記ねじ山付き区域を受けるねじ山付き開口部によって画定される、請求項25に記載の装置。
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US13/795,054 US8900312B2 (en) | 2013-03-12 | 2013-03-12 | Expandable interbody fusion device with graft chambers |
US13/795,054 | 2013-03-12 | ||
PCT/US2014/018982 WO2014163931A2 (en) | 2013-03-12 | 2014-02-27 | Expandable interbody fusion device with graft chambers |
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