JP2005518900A - 骨髄内試行品固定装置 - Google Patents
骨髄内試行品固定装置 Download PDFInfo
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- JP2005518900A JP2005518900A JP2003574083A JP2003574083A JP2005518900A JP 2005518900 A JP2005518900 A JP 2005518900A JP 2003574083 A JP2003574083 A JP 2003574083A JP 2003574083 A JP2003574083 A JP 2003574083A JP 2005518900 A JP2005518900 A JP 2005518900A
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- trial
- stem
- trial stem
- bone
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- 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
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0097—Visible markings, e.g. indicia
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Abstract
Description
この出願は、「骨髄内試行品固定装置」という名称で、2002年3月6日に出願された米国特許出願第10/091,817号に優先権を主張し、その米国出願は引用によりここに取込まれる。
この発明は、関節置換用人工装具システムに関し、特に、補綴インプラントを嵌合させるために正確な測定が行えるように、切除された骨の骨髄管に試行品を固定するための試行品固定装置に関する。
激しい関節痛を引き起こす外傷や疾患を被る患者は、冒された関節の全体的又は部分的な置換を含む外科的処置を必要とすることが多い。例えば損傷又は疾患を有するヒトの膝関節,股関節および肩甲関節の全体又は一部分を置換する人工装具がよく知られている。
この発明の方法、装置およびシステムは、全体的又は部分的な関節置換に使用する試行品固定装置と、骨の骨髄管に試行品を固定する補修とを提供することを目的とする。この発明の試行品固定装置によれば、試行品は骨髄管に固定され全範囲の運動を行うことができ、柔軟組織のバランスがテスト可能で、試行品の高さが必要に応じて容易に調整可能である。
a)ステム部材とヘッド部材を各々有する補綴インプラントから選択されたものを備え、ステム部材は種々の長さと直径を有し、各ステム部材は切除された骨の骨髄管内に受入れられるように適応する第1端部と、ヘッド部材に接続される第2端部とを有し、ヘッド部材は種々の高さと直径を有し、置換を必要とする関節表面のサイズと形状に近づくように適応し、
b)試行ステム部材と試行ヘッド部材とを各々が有する試行品から選択されたものを備え、試行ステム部材は補綴インプラントステム部材の長さと直径に対応する種々の長さと直径とを有し、試行ステム部材は、切除された骨の骨髄管内に受入れられるように適応する第1端部と、試行ヘッド部材に接続される第2端部とを有し、試行ヘッド部材は、補綴りインプラントヘッド部材の高さと直径に対応する種々の高さと直径を有し、
c)試行ステムを骨髄管内に固定するために試行ステムの長さと直径に対応する種々のサイズを有する装置から選択されたものと、
d)装置と取付けられた試行ステムとを骨髄管内に挿入するための試行固定装置ドライバーと、
e)装置を骨髄管から除去するための試行固定装置引抜き器と
を備え、上記装置を用いて骨の関節接続部分の外科的置換を行うシステムが提供される。
この発明の実施態様による方法、システムおよび装置は、完全な、および部分的な関節の置換と補修時の改良された試行を提供しようとするものである。この発明の試行品固定装置は、切除された骨に受入れられるように適応する本体と、本体に取付けられ試行ステムに係合する固定部とを備える装置のような、骨髄管に試行品を係合して固定する装置を備えることができる。この発明の1つの実施態様においては、固定部は、本体に取付けられる第1捕捉部材と、第2捕捉部材と、第2捕捉部材を第1捕捉部材の方へ移動させて試行ステムに係合させるように適応する第1ファスナーとを備える。第1捕捉部材は第1の穴を備え、第2捕捉部材は第2のねじ穴を備え、第1ファスナーは第1の穴を貫通して第2の穴にねじ込まれるように適応する第1引張ボルトであり、第1引張ボルトが締付けられると、第2捕捉部材が第1捕捉部材の方へ移動する。第1捕捉部材は第3のねじ穴を有し、第2捕捉部材は第4の穴を有し、装置は第4の穴を貫通して第3の穴にねじ込まれるように適応する第2の引張ボルトを備え、第2引張ボルトが締付けられると、第2捕捉部材が第1捕捉部材の方へ移動して試行ステムに係合する。
次に、試行ステム52と固定装置10が除去される。装置10が試行ステム52と共に出て来ない場合には、試行固定装置引抜き器が上腕骨から装置を引き抜くために使用される。図13は固定装置引抜き器の実施態様を示す。上腕骨人工装具は試行ステムと同じ位置にマークが付けられ、補綴インプラント用の正しいオフセットを示す。セメントが骨髄管の中に挿入されてもよい。補綴インプラント70は、管の中で、マークの付いた高さに設置される。次に、骨の粗面や他の柔軟な組織は補綴インプラントに接続される。
Claims (20)
- a)基端と先端とを有し、骨に受入れられるように適応し、かつ試行ステムを受入れるように適応する本体、
b)本体に取付けられ試行ステムに係合する固定部、および
c)試行ステム
を備え、骨の骨髄管に試行ステムを固定する装置。 - 固定部分が締付け機構を用いて試行ステムに係合するクレーム1記載の装置。
- 固定部分が、
本体に取付けられる第1捕捉部材、
第2捕捉部材、および
第1ファスナーを備え、第1ファスナーは第2捕捉部材に係合し、第2捕捉部材を第1捕捉部材の方へ移動させて試行ステムに係合するように適応する請求項1記載の装置。 - 第1および第2捕捉部材間に介在する第1バイアスをさらに備える請求項3記載の装置。
- 第1バイアスが第1圧縮スプリングであり、第1ファスナーを取り囲むように適応する請求項4記載の装置。
- 第1捕捉部材が第1の穴を有し、第2捕捉部材は第2のねじ穴を有し、第1のファスナーは第1の穴を貫通して第2の穴にねじ込まれるように適応する第1引張ボルトであり、第1引張ボルトが締付けられるとき、第2捕捉部材が第1捕捉部材の方へ移動する請求項3記載の装置。
- 第1捕捉部材が第3のねじ穴を有し、第2捕捉部材が第4の穴を有し、装置が、第4の穴を貫通して第3の穴にねじ込まれるように適応する第2引張ボルトを備え、第2引張ボルトが締付けられるとき、第2捕捉部材が第1捕捉部材の方へ移動して試行ステムに係合する請求項6記載の装置。
- 第1捕捉部材は第1指片を備え、第2捕捉部材は第2指片を備え、試行ステムは第1指片と第2指片との間に係合される請求項3〜7のいずれか1つに記載の装置。
- 試行ステムが第1外側フィンと第2外側フィンを備え、第1指片が第1外側フィンに係合し、第2指片が第2外側フィンに係合する請求項8記載の装置。
- 試行ステムは中央フィンを有し、第1指片と第2指片が中央フィンに係合する請求項8記載の装置。
- 第1および第2捕捉部材の間に介在して第2引張ボルトに巻き付いた第2圧縮スプリングをさらに備える請求項7記載の装置。
- 固定部が、第1捕捉部材に接続された捕捉部材コネクターをさらに備え、第2捕捉部材は、捕捉部材コネクターを摺動可能に受入れるように適応するコネクター穴を有する請求項3記載の装置。
- 本体が、
基端に設けられたカラー、
本体の基端から下へ延びる中央フィンスロット、
本体の基端から下へ延びる外側フィンスロット、
本体のカラーから下へ延びる2つの回転防止フィン、および
先端に設けられ内面を有する試行ステムスリーブ
を備える請求項3記載の装置。 - 試行ステムスリーブの内面に貼付けられるように適応する摩擦裏当てをさらに備える請求項13記載の装置。
- 本体が基端にカラーを有し、固定部が半径方向に圧縮する半円形クランプであり、そのクランプは試行ステムをカラー内に嵌入させて試行ステムに係合するように適応する請求項1記載の装置。
- 固定部が、試行ステムを本体の先端に嵌入させて試行ステムに係合するように適応する圧縮可能な裏当てである請求項1記載の装置。
- a)ステム部材とヘッド部材を各々有する補綴インプラントから選択されたものを備え、ステム部材は種々の長さと直径を有し、各ステム部材は切除された骨の骨髄管内に受入れられるように適応する第1端部と、ヘッド部材に接続される第2端部とを有し、ヘッド部材は種々の高さと直径を有し、置換を必要とする関節表面のサイズと形状に近づくように適応し、
b)試行ステム部材と試行ヘッド部材とを各々が有する試行品から選択されたものを備え、試行ステム部材は補綴インプラントステム部材の長さと直径に対応する種々の長さと直径とを有し、試行ステム部材は、切除された骨の骨髄管内に受入れられるように適応する第1端部と、試行ヘッド部材に接続される第2端部とを有し、試行ヘッド部材は、補綴インプラントヘッド部材の高さと直径に対応する種々の高さと直径を有し、
c)試行ステムを骨髄管内に固定するために試行ステムの長さと直径に対応する種々のサイズを有する装置から選択されたものと、
d)装置と取付けられた試行ステムとを骨髄管内に挿入するための試行固定装置ドライバーと、
e)装置を骨髄管から除去するための試行固定装置引抜き器と
を備え、請求項1〜16のいずれか1つに記載の装置を用いて骨の関節接続部分の外科的置換を行うシステム。 - 補綴インプラントがモジュール方式で、ステム部材とヘッド部材とが分離され、一緒に結合されるように適応する請求項17記載のシステム。
- 試行品がモジュール式で、試行ステム部材と試行ヘッド部材が分離され、一緒に結合されるように適応する請求項17記載のシステム。
- (a)患者の上腕骨の基端を切除し、
(b)切除した骨の長さと切除した骨の骨髄管の直径とに対応する長さと直径を有する試行ステム部材を有する試行品を選択し、
(c)置換される骨の関節面の高さと直径に対応する高さと直径とを有する試行ヘッド部材を選択し、
(d)試行ステム部材に対応する装置を選択し、
(e)装置を試行ステム部材上に係合し、
(f)組立てられる試行品と固定装置とを患者の骨に移植して、試行ヘッド部材と試行ステム部材の種々の方位をテストし、
(g)所望するヘッドサイズと所望する方位を選択するために必要な工程(c)〜(f)をくり返し、
(h)試行品と装置を患者から引抜き、
(i)試行ヘッド部材と試行ステム部材のサイズと形状に対応する補綴プラントヘッドとステムを選択し、
(j)患者の切除した骨に補綴インプラントを移植する工程を備える、
請求項17〜19のいずれか1つに記載のシステムを用いて患者の骨の関節部分を置換する方法。
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Application Number | Priority Date | Filing Date | Title |
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US10/091,817 US6746487B2 (en) | 2002-03-06 | 2002-03-06 | Intramedullary trial fixation device |
PCT/US2003/006739 WO2003075806A1 (en) | 2002-03-06 | 2003-03-04 | Intramedullary trial fixation device |
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JP2005518900A true JP2005518900A (ja) | 2005-06-30 |
JP2005518900A5 JP2005518900A5 (ja) | 2006-04-20 |
JP4416515B2 JP4416515B2 (ja) | 2010-02-17 |
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JP2003574083A Expired - Fee Related JP4416515B2 (ja) | 2002-03-06 | 2003-03-04 | 骨髄内試行品固定装置 |
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EP (1) | EP1482878B1 (ja) |
JP (1) | JP4416515B2 (ja) |
AT (1) | ATE512645T1 (ja) |
AU (1) | AU2003225676B2 (ja) |
CA (1) | CA2478079C (ja) |
ES (1) | ES2367984T3 (ja) |
WO (1) | WO2003075806A1 (ja) |
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-
2002
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EP1482878B1 (en) | 2011-06-15 |
CA2478079C (en) | 2011-06-14 |
JP4416515B2 (ja) | 2010-02-17 |
CA2478079A1 (en) | 2003-09-18 |
ATE512645T1 (de) | 2011-07-15 |
US6746487B2 (en) | 2004-06-08 |
ES2367984T3 (es) | 2011-11-11 |
WO2003075806A1 (en) | 2003-09-18 |
AU2003225676A1 (en) | 2003-09-22 |
US20030171816A1 (en) | 2003-09-11 |
AU2003225676B2 (en) | 2009-01-08 |
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