JP2003517337A - 互いに変位可能な少なくとも2つの部分をもつインプラント可能な義肢およびその変位可能な部分の使用方法 - Google Patents
互いに変位可能な少なくとも2つの部分をもつインプラント可能な義肢およびその変位可能な部分の使用方法Info
- Publication number
- JP2003517337A JP2003517337A JP2000569740A JP2000569740A JP2003517337A JP 2003517337 A JP2003517337 A JP 2003517337A JP 2000569740 A JP2000569740 A JP 2000569740A JP 2000569740 A JP2000569740 A JP 2000569740A JP 2003517337 A JP2003517337 A JP 2003517337A
- Authority
- JP
- Japan
- Prior art keywords
- prosthesis
- intermediate disc
- shaft
- joint head
- disc
- 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.)
- Granted
Links
Classifications
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/40—Joints for shoulders
- A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
-
- A—HUMAN NECESSITIES
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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
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
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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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-
- A—HUMAN NECESSITIES
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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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- A61F2/00—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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- A61F2/00—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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- A61F2/442—Intervertebral or spinal discs, e.g. resilient
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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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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
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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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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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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Abstract
Description
義肢、特に人間の上腕の上端用の義肢であって、上腕骨通路に挿入可能なシャフ
トと、上腕に隣接する関節窩に組み合わされ、シャフトの中心軸に対し偏心して
シャフトの端面に連結可能なドーム型ジョイントヘッドとを備え、そのジョイン
トヘッドにおける連結が、円形の外周をもち、ジョイントヘッドとシャフトの両
方の穴に挿入可能なインサートピンまたはペグ形部分を有する中間ディスクによ
ってなされるものを対象とする。本発明は、また、変位面上に変位可能な部分お
よび中間ディスクの使用に関するものである。
。一つの中央インサートピンが中間ディスクの両側から突き出ている。ヘッド側
のインサートピンに対してジョイントヘッドに偏心した穴、ならびに、そのまわ
りに軸に平行で穴および中間ディスクの両者に連結する固定ピンを受け入れるた
めの小さい穴のリングが設けられている。ジョイントまたは上腕ヘッドの変位は
段階的に行なわれ、したがってあらゆる状況に関与するファクタに適応すること
はできない。さらに、肩関節義肢の構造は、切断軸(section axes)または切除
軸(resection axes)を変位させることができない。
で関節ヘッドがボールジョイントにより支持されている。これもまた関節ヘッド
の微調整を可能にはし得ない。
な構成に適用する際に、微調整も問題なく行うことのできる、この明細書の冒頭
に述べられた義肢をデザインすることを目的にした。
を記載する。さらに、本発明の範囲は、明細書、図面および/または請求項に開
示された構成の少なくとも2つのあらゆる組み合わせを包含する。
互いに軸まわりに無段的に変位可能なように設けられ、インサートピンの一つは
、中間ディスクの軸に対して径方向に間隔をあけて設けられることが望ましい。
肢から適宜変位すべき2つの部分−は、互いに当該端面において、またはそれに
平行に変位することができる。
開口に挿入可能な−は、ジョイントヘッドの連結面に偏心して形成された該当の
開口に中心インサートピンを用いて固定される。別の−偏心して設けられた−イ
ンサートピンは、シャフトの端面に組み合わされる。連結面は、さらに義肢の2
つの変位面の一つを決定する。他の平面はシャフトの端面にある。
ディスクの高さについては、そのインサートピンの該当高さにほぼ相当するのが
望ましいことが実証された。この目的に対し、中間ディスクの高さは、その直径
のほぼ1/3に等しく、中間ディスクの直径に対して約1:2.5と1:3.0
との間の比を示すピン径をもつことが望ましい。さらに、中間ディスクの軸から
偏心したインサートピンの径方向の間隔は、ピン径の1/2にほぼ一致すべきで
ある。
間ディスクの挿入のために、連結面の軸から変位した浅い盲穴開口をもつことが
明らかである。中間ディスクの2つのインサートピンは、互いに径方向に変位し
、ジョイントヘッドが義肢シャフトに関して無段的に変位することを可能にする
。
環状圧入領域を備えることが可能であり、その高さはピンの高さの1/10で充
分であるが、それ以上であることも可能である。
る)こともできる。インサートピンがテーパをもつことにより、円柱状の盲穴へ
の着座も保障される。
シャフトにそれぞれ中間ディスクを組み込むことにより固定される。
の間、好ましくは7mm以下とすることができる。このために、中間ディスクま
たは偏心ディスクの直径は、10から35mmの間、好ましくは12から30m
mの間であり、厚みは、2から8mmの間、好ましくは3から7mmの間である
。
ントヘッドの中間ディスクのための浅い開口は、ジョイントヘッドの中心軸から
最大10mm、好ましくは最大8mm変位する時に有利であることが実証された
。
わせは、別の種類のインプラント可能な義肢にも用いることができる。
よび図面を参照することにより明らかとなる。
14の中心軸Mは、シャフト12の長軸Aに対して45°の角度Wだけ傾く。シ
ャフト12の最大長さは125mmであり、端面14の幅bは約14mmであり
、その長さeは約23mmである。図2から知ることのできる端面14の長軸A
に直角に交叉する平面内への突出長さe'は、この時27.3mmである。
の盲穴16の位置を決定する。11mmの幅のシャフトの自由端−適切なベース
表面18において終わっている−の反対側では、シャフト14のヘッド領域22
は長さeまたはe1に増大する。端面14の上部のわずかに丸められた狭いエッ
ジ15は、そのシャフトの側辺24の延長線から約25mmの軸に平行な長さa 1 のシャフトに設けられた傾斜領域24aが変位し、しかもこのような変位は約
4.5mmの寸法hに相当する。シャフトの他の側辺26は、外側に端面14の
第2の狭いエッジ15aに向かって半径r=70mmの湾曲を示す。シャフトの
両側において、断面的にほぼ同じであるシャフトの領域に、この場合には約4.
6mmの幅f1と65mmの長さiをもつ中央の浅い溝28が延びている。
辺26の近くのシャフト12のヘッド領域22を通過している。図2の30aに
示されているのは−同様に盲穴16に対して間隔をあけて−端面14の上部の狭
いエッジ15の近傍に設けることのできる別の横穴である。記号31は、ピン継
手を固定するねじのための盲穴16に対する微動穴をあらわす。
偏心ディスク34上のインサートピンもしくはペグ32−7mmの直径c1で適
切に丸い断面をもつ−を嵌め込むのに用いられ、前記ディスクは高さnの等しい
インサートピン32、32aを用いて両側で保持される。シャフト側のインサー
トピン32は、偏心ディスク34の中心軸Qに対して軸に対して3mmの間隔q
だけ径方向に変位しているのに対し、第2インサートピン32aは、ディスク面
35から軸方向に突出している。デザイン形態により、間隔qは、1mmから1
0mmの間、好ましくは最高8mmとすることができる。
記目盛りはディスクの中心Zに関して方向を定められているのに対し、図9は、
アンダーカットまたはレリーフ溝39上のインサートピン32に隣接する偏心デ
ィスク34の他のディスク面35aから1.5mmの間隔n1をあけて0.5m
mの幅sの環状圧入領域38をもつ偏心インサートピン32を示す。偏心ディス
ク34は、2つのタイプのものが使用される。すなわち、一方は、端末(図示さ
れず)に向かってわずかに先細になる両方のインサートピン32、32aに対す
る図示された圧入嵌合をもつもので、他方は、圧入嵌合部を全くもたないもので
ある。前記の横方向の穴30は、シャフトのクランプ力を高めるための固定ねじ
(図示されず)のためのものである。
の連結のためのものであり、前記ヘッドは、連結面42において、インサートピ
ン32aのための偏心盲穴46とともに、偏心ディスク34に対しその形状に合
致する直径d1の開口44を備える。この場合に、穴の軸Q1は、ジョイントヘッ
ド40の中心軸M1に対して3mmの間隔tをあけ、偏心ディスク34の中心軸
M1は、開口44の偏心穴46の円柱壁を通過する。この場合に、間隔tは各デ
ザイン形態によって、1mmから10mmの間、好ましくは最高8mmの適切な
範囲をもつことができる。
ましくは球体の一部を形成する表面の直径長さに比例し、例えば17mmよりも
いくらか長いのに対し、ジョイントヘッド40の直径d2は、この場合44mm
よりもいくらか大きい。
盛り36aをもち、さらに開口44の縁にマーカ三角37をもつ。
12上のジョイントヘッド40の各種の設定位置を示し、EおよびE1は、シャ
フト12の端面14とジョイントヘッド40の連結面42により決まり−また位
置に関して互いに離れている−変位面を示し、またFおよびF1は、ジョイント
ヘッド40のコンター40aおよび偏心ディスク34のコンター34aに対する
コンター円をそれぞれ示す。
びジョイントヘッド40について、図14に示された45°の変位角yと図15
に示された135°の変位角yとが同時に起きる回転運動により、位置は円F上
にあって、単純な偏心を示す。最大内方偏心は、180°の角度変位後に図16
に示されるように果たされる。
は、無限に多くの位置をとることが可能であることを意味する。図17における
2つの円F、F1の中にいずれかの位置を設定することが可能である。この図は
完全なゼロ位置を示し、言い換えればジョイントヘッド40は、円F、F1に同
心円的に配置されることを意味する。図13および16においては、シャフト1
2の長軸Aは対称の直線軸を形成する。
ョイントヘッドに組み合わされた中間ディスクをもつモジュールタイプ肩関節義
肢の概略側面図である。
義肢を示す図である。
義肢を示す図である。
義肢を示す図である。
義肢を示す図である。
Claims (19)
- 【請求項1】 特に人間の上腕の上端のための、互いに変位可能な少なくと
も2つの部分をもつインプラント可能な義肢であって、 前記上腕の骨の通路に挿入可能なシャフト(12)と、 前記上腕に隣接する関節窩に組み合わされ、前記シャフトの中心軸(M)に対
し偏心して前記シャフトの端面(14)に連結可能なドーム型ジョイントヘッド
(40)とを備え、 前記ジョイントヘッドにおける連結は、円形の外周(34a)をもち、前記ジ
ョイントヘッドとシャフトの両方の穴(16、46)に挿入可能なインサートピ
ン(32)またはペグ形部分を有する中間ディスク(34)によってなされ、 前記互いに変位可能な部分(12、34、40)は、少なくとも一つの変位面
(E、E1)において軸(M、M1:Q、Q1)まわりに互いに無段的に変位可能
なように設けられる義肢。 - 【請求項2】 請求項1において、 前記インサートピン(32)の少なくとも一つが、前記中間ディスク(34)
の軸(Q)に対して径方向に間隔(q)をあけて設けられる義肢。 - 【請求項3】 請求項1または2において、 前記中間ディスクが、隣接する部分(14、42)の一つにおいて、ほぼ対応
する開口(44)に挿入可能であり、 前記中間ディスク(34)が中央挿入ピン(32a)で開口(44、46)に
挿入され、その開口が、中央挿入ピンの形状に合致し、前記ジョイントヘッド(
40)の連結面(42)において偏心して形成され、他の偏心して取り付けられ
た挿入ピン(32)が前記シャフト(12)の端面(14)に組み合わされる義
肢。 - 【請求項4】 請求項3において、 連結面(42)が前記義肢の変位面(E1)となる義肢。
- 【請求項5】 請求項2または3において、 前記中間ディスク(34)の直径(d)が前記ジョイントヘッド(40)の直
径(d2)の1/2にほぼ合致し、前記中間ディスクの高さ(n)が前記挿入ピ
ン(32、32a)の各高さにほぼ合致する義肢。 - 【請求項6】 請求項5において、 前記中間ディスク(34)の高さ(n)がその直径(d)の1/3にほぼ合致
する義肢。 - 【請求項7】 請求項5または6において、 前記中間ディスク(34)の直径(d)に対して、ピン径(C1)が約1:2
.5から1:3.0の間の比をもつ義肢。 - 【請求項8】 請求項2ないし7のいずれかにおいて、 前記中間ディスク(34)の軸(Q)から偏心して設けられたインサートピン
(32)の径方向の間隔(q)が、ピン径(C1)のほぼ1/2に合致する義肢
。 - 【請求項9】 請求項1ないし8のいずれかにおいて、 前記挿入ピン(32、32a)が環状圧入領域(38)をもつ義肢。
- 【請求項10】 請求項9において、 前記圧入領域(38)の高さ(s)がピン高さ(n)の1/10から3/10
の間にほぼ合致する義肢。 - 【請求項11】 請求項1ないし10のいずれかにおいて、 円柱状の盲穴(16、46)のための前記挿入ピン(32、32a)が、前記
中間ディスクから遠ざかるにつれ円錐状に先細になっている義肢。 - 【請求項12】 請求項1ないし11のいずれかにおいて、 前記挿入ピン(32、32a)の直径が、1から9mmの間、好ましくは3か
ら7mmの間である義肢。 - 【請求項13】 請求項1から12のいずれかにおいて、 盲穴(16、46)での微動ねじのための微動穴(31)が設けられている義
肢。 - 【請求項14】 請求項1ないし13のいずれかにおいて、 前記中間ディスク(42)の直径(d)が、10から35mm、好ましくは3
から7mmの間である義肢。 - 【請求項15】 請求項1ないし14のいずれかにおいて、 前記ジョイントヘッド(40)における中間ディスク(34)に対する浅い開
口(44)が、ジョイントヘッドの中心軸(M1)から最高10mm、好ましく
は最高8mmだけ変位している義肢。 - 【請求項16】 請求項1ないし15のいずれかにおいて、 前記中間ディスク(34)のディスク表面(35)および/または前記ジョイ
ントヘッド(40)の連結面(42)に、回転の方向に沿って目盛り(36、3
6a)が設けられている義肢。 - 【請求項17】 肘、膝または股関節義肢のために、請求項1ないし16の
いずれかの変位面(E、E1)において、前記変位可能な部分(12、40)お
よび中間ディスク(34)を組み合わせて使用する方法。 - 【請求項18】 手、または足関節義肢のために、請求項1ないし16のい
ずれかの変位面(E、E1)において、前記変位可能な部分(12、40)およ
び中間ディスク(34)を組み合わせて使用する方法。 - 【請求項19】 脊柱ディスク義肢のために、請求項1ないし16のいずれ
かの変位面(E、E1)において、前記変位可能な部分(12、40)と中間デ
ィスク(34)を組み合わせて使用する方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19841612A DE19841612A1 (de) | 1998-09-11 | 1998-09-11 | Implantierbare Prothese mit zumindest zwei gegeneinander verstellbaren Abschnitten sowie Verwendung verstellbarer Abschnitte |
DE19841612.1 | 1998-09-11 | ||
PCT/EP1999/006689 WO2000015154A1 (de) | 1998-09-11 | 1999-09-10 | Implantierbare prothese mit zumindest zwei gegeneinander verstellbaren abschnitten sowie verwendung verstellbarer abschnitte |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2003517337A true JP2003517337A (ja) | 2003-05-27 |
JP3570505B2 JP3570505B2 (ja) | 2004-09-29 |
Family
ID=7880635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000569740A Expired - Lifetime JP3570505B2 (ja) | 1998-09-11 | 1999-09-10 | 互いに変位可能な3つの部分をもつインプラント可能な義肢 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6719799B1 (ja) |
EP (1) | EP1112049B1 (ja) |
JP (1) | JP3570505B2 (ja) |
KR (1) | KR100459673B1 (ja) |
AT (1) | ATE254893T1 (ja) |
DE (1) | DE59907882D1 (ja) |
ES (1) | ES2211167T3 (ja) |
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- 1999-09-10 KR KR10-2001-7003083A patent/KR100459673B1/ko not_active IP Right Cessation
- 1999-09-10 AT AT99947307T patent/ATE254893T1/de active
- 1999-09-10 DE DE59907882T patent/DE59907882D1/de not_active Expired - Lifetime
- 1999-09-10 JP JP2000569740A patent/JP3570505B2/ja not_active Expired - Lifetime
- 1999-09-10 EP EP99947307A patent/EP1112049B1/de not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
KR100459673B1 (ko) | 2004-12-04 |
KR20010082199A (ko) | 2001-08-29 |
EP1112049B1 (de) | 2003-11-26 |
DE59907882D1 (de) | 2004-01-08 |
US6719799B1 (en) | 2004-04-13 |
ATE254893T1 (de) | 2003-12-15 |
JP3570505B2 (ja) | 2004-09-29 |
EP1112049A1 (de) | 2001-07-04 |
ES2211167T3 (es) | 2004-07-01 |
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