JP2014176650A - 骨移植片注入を高めた選択的な拡張式脊椎ケージ - Google Patents
骨移植片注入を高めた選択的な拡張式脊椎ケージ Download PDFInfo
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- JP2014176650A JP2014176650A JP2014047766A JP2014047766A JP2014176650A JP 2014176650 A JP2014176650 A JP 2014176650A JP 2014047766 A JP2014047766 A JP 2014047766A JP 2014047766 A JP2014047766 A JP 2014047766A JP 2014176650 A JP2014176650 A JP 2014176650A
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- Prior art keywords
- bone graft
- implant
- graft material
- bone
- cylinder
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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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30777—Oblong apertures
-
- 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
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
- A61F2002/30785—Plurality of holes parallel
-
- 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
- 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
- A61F2002/4629—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
-
- 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
- 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
- A61F2/4657—Measuring instruments used for implanting artificial joints
- A61F2002/4666—Measuring instruments used for implanting artificial joints for measuring force, pressure or mechanical tension
-
- 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
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni 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
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
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Abstract
【解決手段】選択的な拡張式脊椎ケージ100が、その非拡張状態においては、伸延された脊椎でゲージ100が通過する神経孔の直径よりも小さい最小の断面を有する。ケージ100は、隣接する椎骨の終板間に適合して係合し、前方椎間腔を効果的に伸延させ、運動分節を安定化させ、および病的な脊椎運動をなくす。均一にではなく選択的に(前方に、脊椎の垂直軸に沿って)拡張させることによって、ケージ100の高さは増し、および自然な前弯における隣接する骨および軟組織の弱い力を上回る固定力によって椎骨を保持する。
【選択図】図4−1
Description
102 椎骨間の空間
106 本体
108a、108b スレーブシリンダー
110a、110b、110n スレーブピストン
111、125、133、311 骨係合面
112a、112b Oリング
114 中心キャビティ
116 主入力ポート
119 骨移植片入力ポート
120 骨移植片出口ポート
122a、122b、122n 作動液入力ポート
124 前方/後方矯正プレート
126a、126b 押さえネジ
128a、128b 細長いスロット
130 下方に延在する縁部
132 前弯ベースプレート
134 骨移植片材料
140 マスターシリンダー
142 シリンダーブロック
143 ねじシリンダー
144a、144b ねじピストン
148a、148b 液圧ライン
150 ねじシリンダー・ピストンアセンブリ
152 骨移植片供給ライン
154 マスターシリンダー
156a、156b シリンダー
157a、157b ピストン
158 レバー
159 ノブ
180 挿入具
182 ハンドル
200、202 液圧ライン
204 骨移植片供給ライン
206 ねじ付き端部
306 本体
308 シリンダー
314 中心キャビティ
319 移植片注入ポート
322 液圧ラインポート
324 上部プレート
380 挿入具
383 取り付けポート
386 近位面
392 通路
394 近位壁
396 遠位面
402 液圧供給ライン
404 骨移植片供給ライン
406 ロータリーアクチュエータ
Claims (17)
- 脊椎矯正をもたらす装置において、
椎骨間の空間に配置するように構成されかつそのような寸法にされたインプラント本体であって、前記本体が、前記本体を通って延在する中心キャビティであって、骨移植片材料を受け入れかつ前記椎骨間の空間に配置するとき、そこへ前記移植片材料を注入するために前記椎骨間の空間と連通するように構成された中心キャビティと、前記本体を通って延在しかつ前記中心キャビティと連通する骨移植片供給通路とを画成する、インプラント本体;
前記本体に装着された第1および第2の伸長可能部材であって、前記中心キャビティの両側に1つずつ配置され、第1の非拡張高さから少なくとも1つの拡張高さまで伸長できる、第1および第2の伸長可能部材;および
前記骨移植片供給通路と連通して、前記インプラント本体に配置された骨移植片材料供給ポートであって、骨移植片材料供給ラインを取り付けるように構成されており、かつ前記非拡張高さの少なくとも約55%に等しい直径を有する骨移植片材料供給ポート;
前記第1および第2の伸長可能部材に装着された、骨係合面を備えるプレートであって、前記中心キャビティから骨移植片材料を通過させるために、前記中心キャビティと位置合わせされた開口部を画成するプレート
を含むことを特徴とする、装置。 - 請求項1に記載の装置において、前記インプラント本体が、前記プレートの前記骨係合面に対向して骨係合面を画成し、および前記中心キャビティが、前記両面間に画成され、および前記両面を通って開口し、前記椎骨間の空間と連通していることを特徴とする、装置。
- 請求項1に記載の装置において、前記骨移植片供給通路の直径が、前記非拡張高さの約60%〜75%に等しいことを特徴とする、装置。
- 請求項1に記載の装置において、前記第1および第2の伸長可能部材が:
前記インプラント本体に画成された第1および第2のシリンダー;
前記第1および第2のシリンダーにそれぞれ収容される第1および第2のピストン;
を含み、および
前記インプラント本体が、前記シリンダーを含むシリンダーブロックを画成することを特徴とする、装置。 - 請求項4に記載の装置において、前記ピストンが、非圧縮性流体によって液圧式に伸長可能であり、かつ前記インプラント本体がさらに、液圧供給ポートと、前記液圧供給ポートと前記シリンダーとの間を連通する少なくとも1つの作動液通路とを画成することを特徴とする、装置。
- 請求項5に記載の装置において、前記ピストンが、伸長位置において所望の脊椎矯正でロック可能であることを特徴とする、装置。
- 請求項6に記載の装置において、前記非圧縮性流体が、前記所望の脊椎矯正をもたらす位置まで前記ピストンを上昇させるための液圧力をもたらす流体状態を有する硬化性ポリマーを含み、および前記ポリマーが固体の状態に硬化して、前記所望の矯正で前記ピストンをロックすることを特徴とする、装置。
- 請求項5に記載の装置において、
前記インプラント本体が、さらに、前記骨移植片材料供給ポートに隣接する取り付けポートを画成し;および
前記装置がさらに、前記インプラントを位置決めするために、前記取り付けポートと解放可能に係合可能な挿入具を含むことを特徴とする、装置。 - 請求項8に記載の装置において、
前記インプラント本体に画成された前記シリンダーがスレーブシリンダーを含み;
前記装置がさらに、圧力下で前記スレーブシリンダーに流体を提供するための少なくとも1つの遠隔マスターシリンダーを含み;および
前記挿入具が、前記液圧供給ポートと係合可能であり、かつ前記マスターシリンダーから圧力下で作動液を送給するための通路を含むことを特徴とする、装置。 - 請求項9に記載の装置において、前記挿入具が、前記骨移植片材料供給ポートと係合可能であり、および骨移植片材料を前記材料の遠隔供給部から前記ポートに送給する通路を含むことを特徴とする、装置。
- 脊椎矯正をもたらす装置において、
椎骨間の空間に配置するように構成されかつそのような寸法にされたインプラント本体において、骨係合面として構成された面を備え、前記本体は、前記骨係合面に対向して開口しかつ少なくとも1つの作動液通路と連通する第1および第2のシリンダーと、前記本体を通って延在する、骨移植片材料を受け入れる中心キャビティと、前記中心キャビティと連通する骨移植片供給通路とを画成するシリンダーブロックとして構成され、前記中心キャビティは、椎骨間の空間に開口するように構成されて、前記椎骨間の空間に配置されるとき、そこに前記移植片材料を注入する、インプラント本体;
前記シリンダーに封止式に収容される第1および第2の伸長可能ピストン;
前記第1および第2のピストンに装着された、対向する骨係合面を備える上部プレートであって、前記上部プレートは、第1の非拡張インプラント高さから少なくとも1つの拡張インプラント高さまで前記ピストンによって伸長可能であり、前記上部プレートは、前記中心キャビティから骨移植片材料を通過させるために、前記中心キャビティと位置合わせされた開口部を画成する、上部プレート;
前記骨移植片供給通路と連通して、前記インプラント本体に配置された骨移植片材料供給ポートであって、骨移植片材料供給ラインを取り付けるために構成された、骨移植片材料供給ポート;
前記骨移植片材料供給ポートに隣接して前記インプラント本体に配置された液圧供給ポートであって、前記少なくとも1つの作動液通路と連通する液圧供給ポート;および
前記供給ポートに隣接して前記インプラント本体に配置された取り付けポートであって、インプラント挿入具を受け入れて固定するように構成されている取り付けポート
を含むことを特徴とする、装置。 - 請求項11に記載の装置において、前記インプラント本体に画成された前記シリンダーがスレーブシリンダーを含み、かつ前記装置がさらに、圧力下で前記スレーブシリンダーに流体をもたらすために少なくとも1つの遠隔マスターシリンダーを含むことを特徴とする、装置。
- 請求項12に記載の装置において、さらに、前記インプラントを位置決めするために、前記取り付けポートと解放可能に係合可能な挿入具を含むことを特徴とする、装置。
- 請求項13に記載の装置において、
前記挿入具が、前記液圧供給ポートと係合可能であり、および圧力下で前記マスターシリンダーから作動液を送給する通路を含み、
前記挿入具が、前記骨移植片材料供給ポートと係合可能であり、および骨移植片材料を前記材料の遠隔供給部から前記ポートに送給する通路を含むことを特徴とする、装置。 - 請求項11に記載の装置において、前記ポートが、前記インプラント本体の近位面に配置され、側方に離間していることを特徴とする、装置。
- 請求項15に記載の装置において、前記インプラント本体の遠位面が、狭くなった前縁を含み、前記椎骨間の空間への前記インプラント本体の挿入および配置を容易にすることを特徴とする、装置。
- 請求項11に記載の装置において、前記骨移植片供給通路が、前記第1の非拡張インプラント高さの少なくとも約55%に等しい直径を有することを特徴とする、装置。
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JP2022548344A (ja) * | 2019-06-21 | 2022-11-18 | エルアンドケー バイオメッド カンパニー リミテッド | 斜側方脊椎癒合ケージ |
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DE102015110202B3 (de) | 2015-06-25 | 2016-06-09 | Heraeus Medical Gmbh | Bausatz zum Aufbau eines Käfigs für die Spondylodese und Verfahren hierzu sowie entsprechender Käfig und dessen Verwendung |
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JP2022548344A (ja) * | 2019-06-21 | 2022-11-18 | エルアンドケー バイオメッド カンパニー リミテッド | 斜側方脊椎癒合ケージ |
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JP6662560B2 (ja) | 2020-03-11 |
AU2014201372A1 (en) | 2014-10-02 |
JP2020039912A (ja) | 2020-03-19 |
CA2845613C (en) | 2018-04-24 |
AU2018236854A1 (en) | 2018-10-18 |
EP3338741A1 (en) | 2018-06-27 |
CA2845613A1 (en) | 2014-09-13 |
EP2777631A1 (en) | 2014-09-17 |
EP2777631B1 (en) | 2017-11-29 |
AU2014201372B2 (en) | 2018-07-19 |
EP3338741B1 (en) | 2019-07-17 |
AU2018236854B2 (en) | 2020-04-30 |
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