JP4570932B2 - 中手骨−節骨間用または節骨間用の関節人工器官 - Google Patents
中手骨−節骨間用または節骨間用の関節人工器官 Download PDFInfo
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- JP4570932B2 JP4570932B2 JP2004313198A JP2004313198A JP4570932B2 JP 4570932 B2 JP4570932 B2 JP 4570932B2 JP 2004313198 A JP2004313198 A JP 2004313198A JP 2004313198 A JP2004313198 A JP 2004313198A JP 4570932 B2 JP4570932 B2 JP 4570932B2
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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
- 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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- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
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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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- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
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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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- A61F2002/30405—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves
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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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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
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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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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
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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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- A—HUMAN NECESSITIES
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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
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- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Description
Claims (32)
- 近位骨に組み合わされる第1の軸棒(12)及び遠位骨に組み合わされる第2の軸棒(14)を有し、該2つの軸棒(12、14)が関節ジョイント(16)の片側部品(13、15)にそれぞれ接続され、該2つの片側部品(13、15)が互いにヒンジ接続されている中手骨−節骨間用または節骨間用の関節人工器官(10)において、前記第1の軸棒(12)及び前記第2の軸棒(14)のうちの少なくとも1つが、膨張インサート(22)及び該インサート(22)を可逆的に膨張させる膨張手段(59)を有し、該膨張手段(59)が前記関節ジョイント(16)の片側部品に取り外し可能に接続される関節人工器官(10)であって、前記膨張インサート(22)が、円筒形の空洞(24)を有し、前記膨張手段(59)が、前記軸棒(12、14)と一体であるスリーブ(48、49)及び該スリーブ(48、49)に挿入できる棒状要素(60)を有し、該スリーブ(48、49)の内面に、少なくとも該スリーブ(48、49)の自由端の反対側においてねじが設けられ、さらに該スリーブ(48、49)が、該スリーブ(48、49)の自由端に向かって広がる円錐状の内面終端部分(50、51)を有しており、前記棒状要素(60)が、前記スリーブ(48、49)の内面のねじと係合するために適合した外面にねじが設けられた端部(64)を備え、反対側の端部に、前記円錐状の内面終端部分(50、51)内に係合するために適合している逆円錐形状の円錐軸部(62)を有しており、前記スリーブ(48、49)が、前記膨張インサート(22)の前記空洞(24)内に挿入されることを特徴とする中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記関節ジョイント(16)が、前記第1の軸棒(12)の雄の端部(13)を前記第2の軸棒(14)の雌の端部(15)に接続することによって構成され、さらに該関節ジョイント(16)が、雄(13)及び雌(15)の2つの端部を互いに接続しているピン(18)を有していることを特徴とする請求項1に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 少なくとも1つのブシュ(20)が、前記2つの端部(13、15)の対向する壁面間に介装されていることを特徴とする請求項2に記載の人工器官(10)。
- 前記ブシュ(20)が2つであり、前記雄の端部(13)の両側に位置していることを特徴とする請求項3に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記ブシュ(20)が、低摩擦かつ高耐磨耗性の材料で作られていることを特徴とする請求項3に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記ピン(18)が、該人工器官(10)の中心出しを行なうため、及び該ピン(18)へと挿入するために適合した工具を安定させるための凹所(70)を備えた基準用頭部(68)を備え、該基準用頭部(68)と反対側の端部が、該ピン(18)を抜き取るためのポンチの当接を助けるために適合した凸面を備えていることを特徴とする請求項2に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記第1の軸棒(12)が、前記雄の端部(13)と反対側の端部において、中空であって前記近位骨の中手骨髄腔または節骨髄腔内に位置する第1の膨張インサート(22)に挿入可能であり、前記第2の軸棒(14)が、前記雌の端部(15)と反対側の端部において、中空であって前記遠位骨の中手骨髄腔または節骨髄腔内に位置する第2の膨張インサート(22)への挿入に適合していることを特徴とする請求項2に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記膨張インサート(22)がチタンから作られ、骨との接触領域がヒドロキシアパタイトで被覆されていることを特徴とする請求項1に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記膨張インサート(22)のそれぞれが、(軸X−Xに沿って)実質的に円筒形の空洞(24)を有し、わずかに円錐台の外部形状(26)を有していることを特徴とする請求項2に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記円錐台形状が、大径側の基部近傍で、軸対称の2つの領域(28、29)において平坦化され、前記インサート(22)が、前記円錐台形状の小径側の基部において閉じており、前記円錐台形状の大径側の基部が開いており、円錐形状の広がり(30)で実質的に円筒形の鍔(32)へと広がっていることを特徴とする請求項9に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記鍔(32)が、前記インサート(22)の空洞(24)よりも寸法が大きい貫通開口(34)を有しており、該貫通開口(34)が該空洞(24)と連通していることを特徴とする請求項10に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記貫通開口(34)が四角形形状であることを特徴とする請求項11に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記インサート(22)の前記外形(26)が、円周溝(36)を有していることを特徴とする請求項9に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記外形(26)の高さの少なくとも一部に、貫通切れ目(38)が実現されていることを特徴とする請求項13に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記貫通切れ目(38)が、前記円筒形空洞(24)の軸(X−X)と実質的に平行かつ前記空洞(24)の円筒を生成している円周の接線による切れ目平面に従って実現されていることを特徴とする請求項14に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記貫通切れ目(38)が4つであり、周囲に沿って等間隔で配置され、前記円錐台の小径側の基部の方に位置していることを特徴とする請求項15に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記雄の端部(13)が、前記第1の軸棒(12)の軸(Y−Y)に一致して位置する実質的に平行六面体の胴体(40)によって構成され、該胴体(40)が、前記第1の軸棒(12)の軸(Y−Y)に直交かつ前記第1の軸棒(12)の軸(Y−Y)からズレ(d)だけズレている軸(K−K)を有する穴(42)を備え、該軸(K−K)が、ジョイントの各瞬間における回転中心の平均値と一致していることを特徴とする請求項4に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記2つのブシュ(20)が、前記胴体(40)上かつ前記穴(42)の各側に配置され、前記ブシュ(20)のそれぞれが、前記胴体(40)と当接する側が平坦であり、反対側が実質的に円筒形の表面(54)である穴あきプレートであり、該円筒の軸が、前記穴(42)の軸(K−K)と一致している該プレートの穴の軸と実質的に直交していることを特徴とする請求項17に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記プレートの穴が、前記第1の軸棒(12)の穴(42)と対応して位置し、該穴(42)へと挿入されるための寸法とされた実質的に円筒形の鍔(56)が、前記プレートの平坦な側で前記穴の周囲に突き出しており、該穴の内側が、大径側の基部を前記実質的に円筒形の表面(54)に向けて備える円錐台形状であることを特徴とする請求項18に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 実質的に円筒形の鍔(56)の側面において、材料が除去されていることを特徴とする請求項19に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記除去が、前記プレートの穴の軸(K−K)に対してズレ(u)だけズレつつ前記円錐台の穴の小径側の基部の面を通過する軸(U−U)に沿って実行されていることを特徴とする請求項20に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記ブシュ(20)が前記穴(42)に組み込まれたとき、前記除去の軸(U−U)が前記第1の軸棒(12)の軸(Y−Y)と平行になり、前記ブシュ(20)の側面(21)が、前記当て鍔(44)の円筒の基部に当接することを特徴とする請求項21に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記雌の端部(15)が、前記第2の軸棒(14)の軸(Z−Z)に対して対称に位置する一組の羽根(41)を有しており、該羽根(41)がそれぞれ、前記第2の軸棒(14)の軸(Z−Z)に直交する軸(H−H)に沿って向き、該第2の軸棒(14)の軸(Z−Z)からズレ(h)だけズレている穴(43)を有し、該2つの羽根(41)の該2つの穴(43)が互いに対向するとともに、前記ピン(18)のための寸法とされていることを特徴とする請求項11に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記2つの穴(43)の直径が相違しており、一方の穴(43)が遊びありでの前記ピン(18)の挿入を許容し、該ピン(18)が他方の穴(43)と締まりばめで係合することを特徴とする請求項23に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記第2の軸棒(14)が、前記雌の端部(15)を越えて、実質的に円筒形の当て鍔(45)によって続いており、該鍔(45)の底部に、前記インサート(22)の貫通開口(34)へと挿入されるのに適合した平行六面体形状の胴部(47)が設けられていることを特徴とする請求項24に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記平行六面体形状の胴部(47)の向こうにスリーブ(49)が設けられ、該スリーブ(49)が、内面に少なくとも部分的にねじが設けられるとともに、該スリーブ(49)の自由端に向かって広がる円錐形の内面終端部分(51)を備えており、該スリーブ(49)の内面の穴が、前記第2の軸棒(14)の前記2枚の羽根(41)の間に構成される領域へと到達していることを特徴とする請求項25に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記第2の軸棒(14)の軸(Z−Z)と平行な貫通切れ目(53)が、前記スリーブ(49)の少なくとも一部分に、自由端から始まって設けられていることを特徴とする請求項26に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記貫通切れ目(53)が4つであり、前記スリーブ(49)の周囲に等間隔で位置していることを特徴とする請求項27に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- クランプとして機能する形状(58)が、前記2つの羽根(41)の間の側方に設けられ、前記第1の軸棒(12)に対する前記第2の軸棒(14)の過剰な回転に対抗することを特徴とする請求項23に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記膨張手段(59)のそれぞれが、棒状要素(60)、及び前記軸棒(12、14)にそれぞれ属するスリーブ(48、49)であって該棒状要素(60)を挿入することができるスリーブ(48、49)を有し、該スリーブ(48、49)が、該棒状要素(60)によって膨張させられ、前記膨張インサート(22)の膨張を生じさせることを特徴とする請求項1に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記棒状要素(60)が、逆円錐形状の円錐軸部(62)を有し、すなわち自由端に向かって広がっており、前記棒状要素(60)が、前記円錐軸部(62)の反対側の端部にねじが設けられている端部(64)を備えるとともに、該頭部において該棒状要素(60)を回転駆動する手段(66)で終わっていることを特徴とする請求項30に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
- 前記回転駆動する手段が、ねじ回し用の切り欠き(66)または埋め込み六角形であることを特徴とする請求項31に記載の中手骨−節骨間用または節骨間用の関節人工器官(10)。
Applications Claiming Priority (1)
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EP03425710A EP1527758B1 (en) | 2003-10-31 | 2003-10-31 | Articular prosthesis for metacarpus-phalangeal or interphalangeal use |
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JP2005169088A JP2005169088A (ja) | 2005-06-30 |
JP4570932B2 true JP4570932B2 (ja) | 2010-10-27 |
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EP (1) | EP1527758B1 (ja) |
JP (1) | JP4570932B2 (ja) |
CN (1) | CN1742691A (ja) |
DE (1) | DE60311269T2 (ja) |
DK (1) | DK1527758T3 (ja) |
ES (1) | ES2282594T3 (ja) |
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Cited By (1)
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JP2009273711A (ja) * | 2008-05-15 | 2009-11-26 | Tokyo Univ Of Science | 上腕保持装置、及び、上腕補助装置 |
Families Citing this family (15)
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DE102007008406A1 (de) * | 2007-02-21 | 2008-08-28 | Waldemar Link Gmbh & Co. Kg | Fingergelenkprothese |
US8715325B2 (en) * | 2009-02-19 | 2014-05-06 | Nextremity Solutions, Inc. | Bone joining apparatus and method |
AU2010269153B2 (en) * | 2009-07-10 | 2016-03-03 | Implantica Patent Ltd. | Hip joint device |
US8303666B2 (en) | 2010-01-28 | 2012-11-06 | Biomet Manufacturing Corp. | Modular Proximal Interphalangeal Joint |
DE102010031349B4 (de) * | 2010-07-14 | 2015-02-05 | Waldemar Link Gmbh & Co. Kg | Fingergelenkprothese |
SE535961C2 (sv) * | 2010-10-29 | 2013-03-05 | Gs Dev Ab | Artificiell led |
SE536732C2 (sv) * | 2011-03-04 | 2014-07-01 | Swemac Innovation Ab | Protes för steloperation av en led |
CA2992584C (en) * | 2015-07-27 | 2022-05-17 | Hip Innovation Technology, LLC | Ball and cup impactors for implanting a hip prosthesis |
US10537661B2 (en) | 2017-03-28 | 2020-01-21 | DePuy Synthes Products, Inc. | Orthopedic implant having a crystalline calcium phosphate coating and methods for making the same |
US10537658B2 (en) | 2017-03-28 | 2020-01-21 | DePuy Synthes Products, Inc. | Orthopedic implant having a crystalline gallium-containing hydroxyapatite coating and methods for making the same |
CN108175542B (zh) * | 2017-12-31 | 2024-06-04 | 天津市美兰生物科技有限公司 | 一种指关节假体结构 |
US20210145596A1 (en) * | 2018-12-04 | 2021-05-20 | Beijing Chunlizhengda Medical Instruments Co., Ltd | Toe joint prosthesis and manufacturing method therefor |
CN110840633B (zh) * | 2019-11-20 | 2024-07-30 | 谢庆平 | 手指关节植入物 |
DE102020128512B3 (de) | 2020-10-29 | 2021-11-18 | mechamed GmbH | Prothesenanker |
CN113425468A (zh) * | 2021-06-24 | 2021-09-24 | 北京市春立正达医疗器械股份有限公司 | 一种铰链套筒式指关节假体 |
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- 2003-10-31 DE DE60311269T patent/DE60311269T2/de not_active Expired - Lifetime
- 2003-10-31 ES ES03425710T patent/ES2282594T3/es not_active Expired - Lifetime
- 2003-10-31 EP EP03425710A patent/EP1527758B1/en not_active Expired - Lifetime
- 2003-10-31 DK DK03425710T patent/DK1527758T3/da active
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- 2004-10-28 JP JP2004313198A patent/JP4570932B2/ja not_active Expired - Fee Related
- 2004-10-29 NO NO20044705A patent/NO324493B1/no not_active IP Right Cessation
- 2004-11-01 CN CNA2004100900745A patent/CN1742691A/zh active Pending
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Also Published As
Publication number | Publication date |
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NO20044705L (no) | 2005-05-02 |
DE60311269T2 (de) | 2007-10-18 |
DK1527758T3 (da) | 2007-05-21 |
ES2282594T3 (es) | 2007-10-16 |
CN1742691A (zh) | 2006-03-08 |
JP2005169088A (ja) | 2005-06-30 |
NO324493B1 (no) | 2007-10-29 |
DE60311269D1 (de) | 2007-03-08 |
EP1527758A1 (en) | 2005-05-04 |
EP1527758B1 (en) | 2007-01-17 |
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