JPH11347055A - 選択した軸受けを備える寛骨臼カップ組立体、寛骨臼カップ組立体用の殻部材及び寛骨臼カップ組立体の移植方法 - Google Patents
選択した軸受けを備える寛骨臼カップ組立体、寛骨臼カップ組立体用の殻部材及び寛骨臼カップ組立体の移植方法Info
- Publication number
- JPH11347055A JPH11347055A JP11137986A JP13798699A JPH11347055A JP H11347055 A JPH11347055 A JP H11347055A JP 11137986 A JP11137986 A JP 11137986A JP 13798699 A JP13798699 A JP 13798699A JP H11347055 A JPH11347055 A JP H11347055A
- Authority
- JP
- Japan
- Prior art keywords
- fixing
- cup assembly
- acetabular cup
- shell
- bearing
- 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
- 210000000588 acetabulum Anatomy 0.000 title claims abstract description 9
- 238000002513 implantation Methods 0.000 title claims description 10
- 239000007943 implant Substances 0.000 claims abstract description 11
- 230000000295 complement effect Effects 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 210000001981 hip bone Anatomy 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000011156 evaluation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 27
- 230000007246 mechanism Effects 0.000 description 8
- 210000004394 hip joint Anatomy 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 238000012274 Preoperative evaluation Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
Classifications
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Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
の移植場所での条件の評価またはその一方により判定さ
れる特定の患者の必要性に外科医が適合でき、実際にそ
のように実行できるように手術中の選択ならびに手術前
の選択の範囲を広げる寛骨臼カップ組立体を提供するこ
とである。 【解決手段】 寛骨臼カップ組立体20により、殻部材
22内に軸受け部材24を手術の前または手術中に選択
し固定可能である。軸受け部材24は、軸受け特性や、
固定特性や、位置特性や、方向特性など特性の異なる複
数の軸受け部材から選択されて、手術前の評価または移
植処理中に移植場所で発生する条件の評価により判定さ
れるように外科医が容易にかつ安価に特定の患者に最も
ふさわしい特性を選択でき、望ましい特性を寛骨臼カッ
プ組立体20に組込みできる。
Description
し、具体的には、股関節の大腿骨頭を受け入れるため
に、寛骨臼に人工軸受け部材を固定する寛骨臼カップ組
立体とその移植方法に関する。
換は広く行われていると共にその頻度はますます増大し
ている。こうした移植を実行するときには様々な条件が
発生するので、移植の場所で発生した条件により決定さ
れるように、様々な軸受け材料を最適な位置と方向性に
配置させなければならなくなる。軸受けの特定の材料な
らびに軸受け部材のサイズ、位置および方向性の選択は
処置をする外科医により決定される。通常、こうした選
択は特定の患者の必要性を手術前の評価に基づいて実行
される。しかし、しばしば、移植部が実際に準備される
までに選択できなかったり、移植場所の条件が移植処置
中でないと評価できない場合がある。
の評価および特定の移植場所での条件の評価またはその
一方により判定される特定の患者の必要性に外科医が適
合でき、実際にそのように実行できるように手術中の選
択ならびに手術前の選択の範囲を広げるのが有益であ
る。
は、一層容易かつ低価格で特定の移植場所に移植される
寛骨臼カップ組立体の軸受け部材の最適な材料、位置お
よび方向性を手術の前または手術中に選択できるように
なる。したがって、本発明はいくつかの目的と利点を達
成する。これらの利点および目的のいくつかは以下のよ
うに要約される。
組立体の軸受け部材における軸受け材料の広範な選択を
可能にすること、 特定の寛骨臼殻をもつ組立体に対し
て選択された軸受け部材の軸受け表面の大きさ、位置お
よび方向の選択を可能にすること、軸受け材料ならびに
軸受けサイズ、位置および方向の範囲を拡大し、手術の
前または手術中に選択されるようにこうした選択を実際
に利用可能にすること、特定の移植部の様々な条件に基
づく要件を満たしながら様々な患者の必要性に便宜をは
かる際の外科医の自由裁量を広くして、天然の股関節の
置換の精度を高めコストを下げること、広範囲のオプシ
ョンから手術前の選択及び手術後の選択の可能性を外科
医に提供すること、一層容易かつ安価で複雑で特殊な器
具なしで共通の寛骨臼殻内に選択材料による軸受け部材
を固定可能にすること、適切な軸受け材料からなる軸受
け部材をもち正確に寸法付け、位置付けおよび方向付け
され、製造および使用が安価で、長期間にわたって信頼
性のある寛骨臼カップ組立体を提供することである。
よび利点は以下に述べる本発明により達成される。本発
明は、内部に窩洞をもつ外部殻部材と、この窩洞内に固
定される内部軸受け部材とを備える寛骨臼カップ組立体
として要約できる。前記内部軸受け部材は、寛骨臼カッ
プ組立体が選択された内部軸受け部材の特性に対応する
特性を選択的に与えられるように特性が異なる複数の軸
受け部材から選択され、寛骨臼カップ組立体は、寛骨臼
殻の窩洞内に入る金属製の固定部材と、軸受け部材上の
外部受容要素とを含み、前記外部受容要素と内部受容要
素は、両者が契合すると、内部軸受け部材が固定部材に
固定されるように軸受け部材の特性に適合しており、さ
らに、殻部材の窩洞内の内部固定要素を含み、この内部
固定要素は、外部固定要素と内部固定要素が選択的に契
合すると固定部材が殻部材内に選択的に固定されるよう
に固定部材の外部固定要素とほぼ相補的になっている。
軸受け部材を備えた寛骨臼カップ組立体に使用される殻
部材を含み、前記内部軸受け部材は、寛骨臼カップ組立
体が選択された内部軸受け部材の特性に対応する特性を
選択的に備えるように特性の異なる複数の軸受け部材か
ら選択され、前記殻部材は、内部窩洞と、この窩洞内の
第1固定要素とを含み、前記第1固定要素は前記複数の
内部軸受け部材の少なくとも1つの固定特性に適合して
おり、さらに、前記殻部材の窩洞内の第2固定要素を含
み、前記第2固定要素は前記複数の内部軸受け部材の少
なくとも他の1つの固定特性に適合しており、前記内部
軸受け部材の前者および後者はそれぞれ殻部材内に固定
可能に選択されて、寛骨臼カップ組立体が完成する。
部材と前記窩洞内に固定される内部軸受け部材とをも
ち、前記内部軸受け部材は選択された内部軸受け部材の
特性に適合する特性を選択的に備えるように特性が異な
る複数の軸受け部材から選択されている寛骨臼カップ組
立体を移植する方法の改良を提供する。この改良型方法
は、寛骨臼殻の窩洞内に選択的に受け入れられる金属製
固定部材を備える工程を含み、前記固定部材はそれぞれ
外部固定要素と内部受容要素とをもち、さらに、各軸受
け部材上の外部受容要素を前記複数の軸受け部材のそれ
ぞれに備える工程を含み、前記外部受容要素と内部受容
要素は各軸受け部材の特性の特性に適合しており、さら
に各金属製固定部材の前記内部受容要素が各軸受け部材
の外部受容要素に契合すると各軸受け部材を対応する固
定部材に固定する工程を含み、殻部材の窩洞内の内部固
定要素に対応する固定部材を固定することで殻部材の窩
洞内に選択された軸受け部材を固定する工程を含み、外
部固定要素が内部固定要素と選択的に契合すると、対応
する固定要素が殻部材内に選択的に固定されるように前
記内部固定要素は対応する固定要素の外部固定要素と相
補的になる。
部材と窩洞内に固定される内部軸受け部材をもつ寛骨臼
カップ組立体を移植し、この寛骨臼カップ組立体が選択
された内部軸受け部材の特性に対応する特性を選択的に
備えられるように前記内部軸受け部材が特性の異なる複
数の軸受け部材から選択される移植方法の改良方法を提
供する。この改良方法は、殻部材の窩洞内に第1固定要
素を備える工程を含み、第1固定要素は複数の内部軸受
け部材の少なくとも1つの固定特性に適合しており、さ
らに、殻部材の窩洞内に第2固定要素を備える工程とを
含み、第2固定要素は複数の内部軸受け部材の少なくと
も他の軸受け部材の固定特性に適合し、さらに内部軸受
け部材の前者または後者の軸受け部材を選択し、選択さ
れた内部軸受け部材を対応する第1または第2固定要素
と契合して殻部材内に選択した内部軸受け部材を固定す
る工程を含み、寛骨臼カップ組立体を完成させる。
すると、本発明に応じて構成された寛骨臼カップ組立体
が全体的に20で例示されている。寛骨臼カップ組立体
20は金属製殻部材22の形態の殻要素と、本例ではプ
ラスチック製軸受け部材24の形をとる軸受け挿入部と
を備えている。殻部材22は外表面26を備え、この外
表面26は、殻部材22が周知の方式で適切に準備され
た寛骨臼内に適切に配置され固定できるような輪郭をも
つ。複数のネジ穴28が殻部材22に備えられており、
これは補足固定手段が望まれる場合に、固定ネジ(図示
せず)を受け入れるためのものである。内部窩洞30
は、下端部34の下方開口部32から上端36の近くま
で殻部材22内に延在している。縁部38が下端部34
に配置されている。
40をもち、この外被部40は殻部材22の窩洞30と
ほぼ相補的に形成され、基部42から頂部44の近くま
で延在している。基底フランジ46は、軸受け部材24
の基部42の外周に周方向に添って延在し、軸受け部材
24の基部42に横方向軸受け面48を備えている。軸
受けソケット50は軸受け部材24内に上方に延在し、
相補大腿骨頭(図示せず)用の球状軸受け面52を備え
ている。
移植される。すなわち、殻部材22と軸受け部材24は
手術中に組立てることになっており、手術前の評価また
は移植の場所で発生する条件の評価に基づいて軸受けソ
ケット50の適切な寸法、位置付けおよび方向付けが可
能になる。このために、種々の軸受け部材24が利用可
能になり、種々の軸受け部材24は、配置され固定され
る殻部材22に対して様々な位置と方向に配置される対
応する軸受けソケット50を備えており、これらの軸受
けソケット50の任意のものは殻部材22内の位置に手
術中に適切に固定可能で、軸受け面52は、患者の必要
性を満たすように適切に配置され方向付けられる。
の下端部34と軸受け部材24の基部42に隣接して備
えられた固定機構60により殻部材22内の位置に適切
に固定される。図4ないし図6ならびに図1ないし図3
を参照すると、固定機構60は、下端部34に隣接する
殻部材22内に横方向かつ外方向に延在する環状凹部6
2の形状の固定要素を備えているように示されている。
環状リップ64の形の補完型固定要素は、軸受け部材2
4の基部42に隣接して、軸受け部材24から横方向か
つ外方向に延在している。プラスチック製の軸受け部材
24の好ましい材料は、こうした軸受け部材に接続され
て通常使用されている超高分子重量ポリエチレンであ
り、こうした材料の固定特性には、軸受け部材24を殻
部材22に挿入し、軸受け部材24を殻部材22に配置
すると、図6に示すように、環状リップ64が環状凹部
62内に配置されて殻部材22内に軸受け部材24が確
実に固定されるような弾力特性も含まれている。
0の位置と方向は、上述したように、軸受け部材24内
の軸受けソケット50の位置および方向を様々に試みる
ことで選択される。したがって、図1に示すように、軸
受けソケット50は、他のオフセット軸受けソケット5
0Aにより透視線で例示されているように、軸受け部材
24の中心軸Cから様々な選択可能な軸受け部材24に
応じた可変量分、オフセットされ、移植部の軸受けソケ
ット50の適切な位置が選択される。同様に、軸受けソ
ケット50の適切な方向付けは、図1の他の方向に向け
られている軸受けソケット50Bにより透視線で例示さ
れているように、他の角度の方向を備えることで利用可
能になる。適切な位置に配置されると、選択された軸受
け部材24は、すべての種々の軸受け部材24に備えら
れている固定機構60に共通の凹部62とリップ64の
形の相補型固定要素を契合させることで殻部材22内に
固定される。加えて、ひとたび選択された軸受け部材2
4が殻部材22内に適切に配置されれば、殻部材22の
縁部38から半径方向かつ内方向に延在する突起部70
が軸受け部材24のフランジに隣接する軸受け部材24
の対抗部分72に契合することによって、殻部材22に
対して軸Cに関する軸受け部材24の回転が妨げられ
る。
たり、または移植処置の最中に特定の患者の必要性に基
づいて、判断する場合には、手術の前の評価または特定
の移植場所の条件の評価により判定されたように、軸受
け部材24の材料の特性以外の特性をもつ軸受け材料が
より適切で、寛骨臼カップ組立体20により外科医は特
定の患者の必要性に一層ふさわしい特性を示す軸受け部
材を選択することができる。したがって、図7ないし図
10に示してあるように、他の軸受け部材80はセラミ
ック材料から構成され、頂部84まで延在する全体的に
ドーム状の外方部分82を備えている。軸受けソケット
86は軸受け部材80内に上方に延在し、相補型大腿骨
頭(図示せず)用の球状軸受け面88を備えている。
る最も効率的で、便利がよく、機構面で単純で容易に使
用可能な固定機構の1つは、プラスチック製軸受け部材
24の材料のような柔軟な材料から構成されている構成
要素がない場合には、契合可能なテーパー状の表面であ
る。テーパー状の表面のテーパー角度は固着される特定
の材料の固着特性に依存している。しかし、セラミック
製の軸受け部材80の固着特性は、軸受け部材80の固
定がほぼ円筒形の固定表面により最もよく実行されるよ
うになっている。したがって、軸受け部材80は全体的
に円筒状の固定面90の形をした外部受容要素を備えて
いる。この表面90は、軸受け部材80の基部92とド
ーム状外被部82との間で、軸受け部材80の中心軸C
にほぼ並行に延在する。寛骨臼内の殻部材22の配置の
後で殻部材22内に軸受け部材80を手術中に単純に固
定できるように、固定機構60は適切な契合式テーパー
状面を備えている。したがって、固定機構60は、下端
部103に隣接した環状リング部分102と、リング部
分102と上端部105との間で延在するドーム状部分
104とを備えたスリーブ100の形に示されている金
属製固定部材を備えている。ドーム状部分104は殻部
材22の内方窩洞30の対抗部分にほぼ相補的である。
リング部分102は、外部座面106の形をした外方固
定要素と、全体的に円筒形の内方固定面108の形をし
た内部受容要素とを備えている。内部固定面108の構
成と外部固定面90の構成は軸受け部材80の材料の特
定の特性に対応しているので、外部固定面90を内部固
定面108に契合させると、締りばめにより軸受け部材
80がスリーブ100に固定される。
部34に隣接した窩洞30内で、殻部材22に配置され
た内部座面110の形をした内部固定要素を備えてい
る。内部座面110は外部座面106と相補的であり、
座面106と110は、図10に示すように、契合す
る。座面106と110は、角度Aにより図示されてい
るように、テーパー状の構成をしており、その構成のテ
ーパーと殻部材22はスリーブ100の材料の固定特性
に対応し、座面106と110の契合に応じたテーパー
状の座面106と110の固定によりスリーブ100は
殻部材22内に固定される。好ましい実施例では、殻部
材22とスリーブ100は市販の純粋チタンから構成さ
れ、角度Aは約6度である。
外科医が寛骨臼カップ組立体20の軸受け材料として他
の材料を利用することを望んでいる場合でも、その材料
から構成された他の代替軸受け部材は殻部材22内に固
定可能である。したがって、代替軸受け部材120は、
例えば、コバルトクロム合金などの他の金属から構成さ
れる。軸受け部材120は頂部124まで延在する全体
的にドーム状の外被部分122を備えている。軸受けソ
ケット126は軸受け部材120内に上方に延在し、相
補型大腿骨頭(図示せず)のための球状軸受け面128
を備えている。軸受け部材120は外方固定面130の
形をした外方受容要素を備えている。ここで再び、固定
機構60は、環状リング部分142とドーム状部分14
4を有するスリーブ140の形の金属製固定部材を備え
ている。ドーム状部分144は殻部材22の内方窩洞3
0の対抗部分とほぼ相補型であり、リング部分142は
外部座面146の形の外部固定要素と内部固定面148
の形の内部受容要素を備えている。
0の構成は軸受け部材120の材料の特定の固定特性に
対応しているので、外部固定面130と内部固定面14
8を契合させると、軸受け部材120はスリーブ140
の軸受け部材120上への契合および着座に応じてスリ
ーブ140に固定される。固定面130と148は軸受
け部材120とスリーブ140の間を堅牢に契合させる
角度Bで先細化(テーパー化)している。スリーブ14
0は、座面146と110の間に生ずる締め付けにより
殻部材22内に固定される。好ましい実施例では、スリ
ーブ140と殻部材22はどちらも市販の純粋チタンか
ら構成され、座面146と110は角度Aでテーパー化
しており、スリーブ100に関して上述したように、ス
リーブ140と殻部材22の材料の固定特性に対応して
いる。この方式で、殻部材22は、軸受け部材24,8
0および120などの様々な材料から構成されている複
数の軸受け部材の選択された任意の軸受け部材を受け入
れることができ、手術前または手術中に容易に、正確
に、さらに外科医の労力が最小化され、その上複雑な特
殊機器を必要とすることなく選択された軸受け部材を固
定できる。
て構成されたスリーブの形の金属製固定部材を用いて、
軸受け部材が内部に固定されている殻部材に対して軸受
け部材の軸受け面の特定の位置を選択するのが望ましい
場合のために、スリーブの内部受容要素と外部固定要素
の相対位置がスリーブ毎に異なっている代替スリーブが
備えられている。したがって、代替スリーブ150で
は、内部受容要素は、長手方向に延在する中心軸154
をもつ内部固定面152を備え、外部固定要素は縦方向
の中心軸158を有する外部座面156を備えており、
中心軸154は、159で示されているように、中心軸
158から横方向にオフセットされている。軸受け部材
の軸受け面の望ましい位置は特定のオフセット159を
もつスリーブ150を選択することで達成される。
その方向をもつスリーブを選択することで達成される。
図15に示してあるように、代替スリーブ160は、長
手方向に延在する中心軸164をもつ内部固定面162
を備え、外部固定要素は縦方向の中心軸168を有する
外部座面166を備えており、中心軸164は中心軸1
68と鋭角169を形成し、角度169の大きさを選択
した結果、面162と166の相対的な方向の付随的選
択がなされることになる。軸受け部材の軸受け面の望ま
しい方向は、特定の角度169をもつスリーブ160を
選択することで得られる。
0に関連して説明された選択位置ならびに選択方向は例
示に過ぎない。位置と方向付けならびに他の位置および
方向の様々な組み合せは、金属製の固定部材の構成を修
正して特定の軸受け部材の軸受け面の望ましい位置付け
と方向に適合させることにより利用可能である。
は組立体20の軸受け部材の特性の手術前または手術中
の選択に対する広範な選択肢が単純な方法かつ低価格で
提供されることを理解すべきである。こうした特性には
材料、サイズ、位置付け、および方向が含まれる。した
がって、本発明は上記に要約された目的と利点を達成す
る。すなわち、寛骨臼カップ組立体の軸受け部材に広範
な軸受け材料の選択を可能にすること、 特定の寛骨臼
殻をもつ組立体に対して選択された軸受け部材の軸受け
表面の大きさ、位置および方向の選択を可能にするこ
と、軸受け材料ならびに軸受けサイズ、位置および方向
の範囲を拡大し、手術の前または手術中に選択されるよ
うにこうした選択を実際に利用可能にすること、特定の
移植部の様々な条件に基づく要件を満たしながら様々な
患者の必要性に便宜をはかる際の外科医の自由裁量を広
くして、天然の股関節の置換の精度を高めコストを下げ
ること、一層容易かつ安価で複雑で特殊な器具なしで共
通の寛骨臼殻内に選択材料による軸受け部材を固定可能
にすること、適切な軸受け材料からなる軸受け部材をも
ち正確に寸法付け、位置付けおよび方向付けされ、製造
および使用が安価で、長期間にわたって信頼性のある寛
骨臼カップ組立体を提供することである。
例についての上記の説明は例に過ぎない。設計、構成お
よび処理手順上の多様な細部は、請求の範囲に詳述され
ているように、本発明の精神と範囲から逸脱しないかぎ
り修正可能である。
部分断面拡大立面図である。
る。
面図である。
ある。
拡大断面図である。
図5に示す部分の拡大断面図である。
組立体の部分的に断面化された拡大立面図である。
ある。
である。
た寛骨臼カップ組立体の一部の拡大横断面図である。
受け挿入要素の部分的に断面化された拡大立面図であ
る。
る。
された他の構成要素を利用する寛骨臼カップ組立体の複
数部分の拡大断面図である。
Claims (23)
- 【請求項1】 内部窩洞をもつ外部殻部材と、前記窩洞
内に固定される内部軸受け部材とを含む寛骨臼カップ組
立体であって、前記寛骨臼カップ組立体が前記選択され
る内部軸受け部材の特性に対応する特性を選択的に備え
るように前記内部軸受け部材は特性が異なる複数の軸受
け部材から選択されており、 寛骨臼殻の窩洞内に受け入れられ、外部固定要素と内部
受容要素を含む金属製固定部材と、 前記軸受け部材上の外部受容要素を含み、前記外部受容
要素と前記内部受容要素は、前記外部受容要素が前記内
部受容要素に契合することで、前記内部軸受け部材が前
記固定部材に固定されるように前記軸受け部材の特定の
特性に適合しており、さらに、 前記殻部材の窩洞内の内部固定要素を含み、前記外部固
定要素と前記内部固定要素が選択的に契合することで、
前記固定部材が前記殻部材内に選択的に固定されるよう
に、前記内部固定要素は前記固定部材の外部固定要素と
ほぼ相補的になっていることを特徴とする寛骨臼カップ
組立体。 - 【請求項2】 前記殻部材の前記内部固定要素と前記固
定部材の前記外部固定要素は、前記相補型固定面の着座
契合に応じて組合わせるための相補型テーパー状固定面
を備えている請求項1に記載の寛骨臼カップ組立体。 - 【請求項3】 前記固定部材の前記内部受容要素と前記
軸受け部材の前記外部受容要素は、相補型固定面の着座
契合に基づいて組合わせるための相補型固定面を備えて
いる請求項2に記載の寛骨臼カップ組立体。 - 【請求項4】 前記外部受容要素の前記相補型固定面
は、前記相補型テーパー状固定面の着座契合に応じて組
合わせるための相補型テーパー状面を備えている請求項
3に記載の寛骨臼カップ組立体。 - 【請求項5】 前記殻部材は下方端と上方端を備え、前
記窩洞は前記下方端から前記殻部材の上方端に向かって
延在し、前記内部固定要素は前記殻部材の下方端に隣接
して配置されている請求項4に記載の寛骨臼カップ組立
体。 - 【請求項6】 前記金属製固定部材は下方端と上方端を
備え、前記外部固定要素は前記金属製固定部材の下方端
に隣接して配置されている請求項5に記載の寛骨臼カッ
プ組立体。 - 【請求項7】 前記金属製固定部材は、前記下方端に隣
接してリング部分を備えると共に前記リング部分と前記
金属製固定部材の上方端の間に延在するドーム状部分を
備える請求項6に記載の寛骨臼カップ組立体。 - 【請求項8】 前記殻部材は下方端と上方端を備え、前
記窩洞が前記殻部材の前記下方端から上方端に向かって
延在し、前記内部受容要素は前記殻部材の前記上方端と
前記下方端の間を縦方向に延在する中心軸をもち、前記
外部固定要素は前記殻部材の前記下方端と前記上方端の
間を縦方向に延在する中心軸をもち、前記内部受容要素
の前記中心軸は前記外部固定要素の前記中心軸から横方
向に片寄っている請求項1に記載の寛骨臼カップ組立
体。 - 【請求項9】 前記殻部材の前記内部固定要素と前記固
定部材の前記外部固定要素は、前記相補型固定面の着座
契合に応じて組合わせるための相補型テーパー状固定面
をもつ請求項8に記載の寛骨臼カップ組立体。 - 【請求項10】 前記固定部材の前記内部受容要素と前
記軸受け部材の前記外部受容要素は、前記相補型固定面
の着座契合することで組合わせるための相補型固定面を
もつ請求項9に記載の寛骨臼カップ組立体。 - 【請求項11】 前記外部受容要素の前記相補型固定面
は、前記相補型テーパー状面の着座契合に応じて組合わ
せるための相補型テーパー状面をもつ請求項10に記載
の寛骨臼カップ組立体。 - 【請求項12】 前記殻部材は下方端と上方端を備え、
前記窩洞は前記殻部材の前記下方端から上方端に向かっ
て延在し、前記内部受容要素は前記殻部材の前記上方端
と前記下方端の間で縦方向に延在する中心軸をもち、前
記外部固定要素は前記殻部材の前記下方端と前記上方端
の間で縦方向に延在する中心軸をもち、前記内部受容要
素の前記中心軸は前記外部固定要素の前記中心軸と鋭角
を形成する請求項1に記載の寛骨臼カップ組立体。 - 【請求項13】 前記殻部材の前記内部固定要素と前記
固定部材の前記外部固定要素は、前記相補型固定面の着
座契合に応じて組合わせるための相補型テーパー状固定
面をもつ請求項12に記載の寛骨臼カップ組立体。 - 【請求項14】 前記固定部材の前記内部受容要素と前
記軸受け部材の前記外部受容要素は、前記相補型固定面
の着座契合することで組合わせるための相補型固定面を
もつ請求項13に記載の寛骨臼カップ組立体。 - 【請求項15】 前記外部受容要素の前記相補型固定面
は、前記相補型テーパー状固定面の着座契合に応じて組
合わせるための相補型テーパー状面をもつ請求項14に
記載の寛骨臼カップ組立体。 - 【請求項16】 内部に固定する内部軸受け部材をもつ
寛骨臼カップ組立体で使用される殻部材であって、前記
内部軸受け部材は特性が異なる複数の軸受け部材から選
択され、前記寛骨臼カップ組立体は前記選択された内部
軸受け部材の特性に対応する特性を選択的に与えられ、
さらに、 内部窩洞と、 前記殻部材の前記窩洞内の第1固定要素と、を含み、前
記第1固定要素は前記複数の内部軸受け部材の少なくと
も1つの固定特性に適合しており、さらに、 前記殻部材の窩洞内の第2固定要素を含み、前記第2固
定要素は前記複数の内部軸受け部材の少なくとも他の内
部軸受け部材の前記固定特性に適合しており、 前記内部軸受け部材の前者および後者は、前記寛骨臼カ
ップ組立体を完成されるためにそれぞれ前記殻部材内に
固定されるよう選択可能であることを特徴とする寛骨臼
カップ組立体用の殻部材。 - 【請求項17】 前記殻部材は下方端と上方端を備え、
前記窩洞は前記殻部材の前記下方端から前記上方端に延
在し、前記第1および第2固定要素は前記殻部材の前記
下方端に隣接して配置される請求項16に記載の寛骨臼
カップ組立体用の殻部材。 - 【請求項18】 前記軸受け部材はそこから突出するリ
ップを備え、前記第1固定要素は前記殻部材内に前記軸
受け部材の前記リップを受け入れる凹部をもつ請求項1
7に記載の寛骨臼カップ組立体用の殻部材。 - 【請求項19】 前記軸受け部材は外部固定面を備え、
前記第2固定要素は内部固定面をもち、前記外部固定面
と前記内部固定面は相補型テーパー状に構成されて、前
記相補型テーパー状構成の着座契合に応じて組合わされ
る請求項17に記載される寛骨臼カップ組立体用の殻部
材。 - 【請求項20】 内部窩洞を備えた外部殻部材と、前記
窩洞内に固定される内部軸受け部材とをもつ寛骨臼カッ
プ組立体の移植方法であって、前記内部軸受け部材は特
性の異なる複数の軸受け部材から選択されて、前記寛骨
臼カップ組立体が前記選択された内部軸受け部材の特性
に対応する特性を選択的に備えており、 前記寛骨臼殻の窩洞内に選択的に入れられ、それぞれ外
部固定要素と内部受容要素を含む複数の金属製固定部材
を備える工程と、 前記複数の軸受け部材のそれぞれに外部受容要素を備え
て、前記外部受容要素と前記内部受容要素は前記各軸受
け部材の特定の特性に適合させる工程と、 各金属製固定部材の前記内部受容要素と各軸受け部材の
前記外部受容要素を契合させて、各軸受け部材を対応す
る固定部材に固定させる工程と、 前記殻部材の窩洞内に前記選択された軸受け部材を、前
記殻部材の窩洞内の内部固定要素に対応する固定部材を
固定させることにより、固定させ、前記内部固定要素は
前記対応する固定部材の外部固定要素とほぼ相補的であ
り、前記外部固定要素を前記内部固定要素に選択的に契
合させることで、対応する固定部材が前記殻部材内に選
択的に固定されるようになる工程と、から成ることを特
徴とする寛骨臼カップ組立体の移植方法。 - 【請求項21】 前記殻部材の前記窩洞内に前記選択さ
れた軸受け部材を固定する前に移植場所に前記殻部材を
移植する工程を含む請求項20に記載の寛骨臼カップ組
立体の移植方法。 - 【請求項22】 内部窩洞を備えた外部殻部材と前記窩
洞内に固定される内部軸受け部材とをもつ寛骨臼カップ
組立体を移植する方法であって、前記内部軸受け部材は
特性の異なる複数の軸受け部材から選択されて、前記寛
骨臼カップ組立体が前記選択された内部軸受け部材の特
性に対応する特性を選択的に備えられ、 前記殻部材の前記窩洞内に第1固定要素を備えて、前記
第1固定要素が前記複数の内部軸受け部材の少なくとも
1つの固定特性に適合している工程と、 前記殻部材の前記窩洞内に第2固定要素を備えて、前記
第2固定要素が前記複数の内部軸受け部材の少なくとも
他の部材の固定特性に適合している工程と、 前記内部軸受け部材の前者または後者を選択し、前記選
択した内部軸受け部材を対応する第1固定要素または第
2固定要素に契合させて前記殻部材内に前記選択された
内部軸受け部材を固定して、前記寛骨臼カップ組立体を
完成する工程と、から成ることを特徴とする寛骨臼カッ
プ組立体の移植方法。 - 【請求項23】 前記殻部材の前記窩洞内に前記選択さ
れた内部軸受け部材を固定する前に移植場所に前記殻部
材を移植する工程を含む請求項22に記載の寛骨臼カッ
プ組立体の移植方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8340698A | 1998-05-22 | 1998-05-22 | |
| US09/083406 | 1998-05-22 | ||
| US09/665,025 US6475243B1 (en) | 1998-05-22 | 2000-09-19 | Acetabular cup assembly with selected bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11347055A true JPH11347055A (ja) | 1999-12-21 |
| JP3650707B2 JP3650707B2 (ja) | 2005-05-25 |
Family
ID=26769261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13798699A Expired - Lifetime JP3650707B2 (ja) | 1998-05-22 | 1999-05-19 | 選択した軸受けを備える寛骨臼カップ組立体、寛骨臼カップ組立体用の殻部材及び寛骨臼カップ組立体の移植方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6475243B1 (ja) |
| EP (2) | EP0958797B1 (ja) |
| JP (1) | JP3650707B2 (ja) |
| AU (1) | AU2695799A (ja) |
| CA (1) | CA2270861C (ja) |
| DE (1) | DE69905970T2 (ja) |
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| JP2001286496A (ja) * | 2000-03-15 | 2001-10-16 | Depuy Orthopaedics Inc | 自己係止テーパー部分を有する構成部品を備えているプロテーゼ・カップ組立体 |
| JP2008264589A (ja) * | 2001-11-16 | 2008-11-06 | Depuy Orthopaedics Inc | 人工器官カップアセンブリ |
| JP2009534062A (ja) * | 2006-04-19 | 2009-09-24 | ブレーム ペーター | モジュール式の腰部インプラント |
| JP2010518973A (ja) * | 2007-02-22 | 2010-06-03 | バイオメット・マニュファクチャリング・コーポレイション | コバルト担持表面を備える多孔質金属カップ |
| US9445903B2 (en) | 2008-11-24 | 2016-09-20 | Biomet Manufacturing, Llc | Multi-bearing acetabular prosthesis |
| US9445904B2 (en) | 2009-07-14 | 2016-09-20 | Biomet Manufacturing, Llc | Multiple bearing acetabular prosthesis |
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| US6827742B2 (en) * | 1998-05-14 | 2004-12-07 | Daniel E. E. Hayes, Jr. | Bimetal acetabular component construct for hip joint prosthesis |
| CA2270861C (en) * | 1998-05-22 | 2006-08-29 | Michael B. Sheldon | Acetabular cup assembly with selected bearing |
| AU770273B2 (en) * | 1998-05-22 | 2004-02-19 | Howmedica Osteonics Corp. | Acetabular cup assembly with selected bearing |
| AUPQ070399A0 (en) * | 1999-06-02 | 1999-06-24 | Cryptych Pty Ltd | Acetabular component of total hip replacement assembly |
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| DE19926923A1 (de) * | 1999-06-14 | 2000-12-21 | Ceramtec Ag | Modular aufgebaute Gelenkpfanne für eine Kugelgelenk-Prothese |
| DE29911853U1 (de) * | 1999-07-08 | 2000-11-23 | BIOMET MERCK Deutschland GmbH, 14167 Berlin | Pfanne für eine Hüftgelenkendoprothese |
| US6368354B2 (en) * | 1999-10-07 | 2002-04-09 | Exactech, Inc. | Acetabular bearing assembly for total hip joints |
| FR2801193B1 (fr) * | 1999-11-19 | 2002-02-15 | Proconcept | Prothese cotyloidienne expansible a double mobilite |
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| EP1331904B1 (en) * | 2000-07-20 | 2005-06-01 | Hayes Medical Inc. | Bimetal tibial component construct for knee joint prosthesis |
| US7497874B1 (en) | 2001-02-23 | 2009-03-03 | Biomet Manufacturing Corp. | Knee joint prosthesis |
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| US8123814B2 (en) | 2001-02-23 | 2012-02-28 | Biomet Manufacturing Corp. | Method and appartus for acetabular reconstruction |
| US7597715B2 (en) | 2005-04-21 | 2009-10-06 | Biomet Manufacturing Corp. | Method and apparatus for use of porous implants |
| WO2004069091A2 (fr) * | 2001-07-16 | 2004-08-19 | Ceram Concept L.L.C. | Implant cotyloidien pour prothese de hanche |
| FR2827154B1 (fr) | 2001-07-16 | 2004-04-30 | Jean Yves Lazennec | Implant cotyloidien pour prothese de hanche |
| AU2002327410A1 (en) * | 2001-07-31 | 2003-02-17 | Biomet, Inc. | Method and apparatus for constrained liner |
| US6682567B1 (en) * | 2001-09-19 | 2004-01-27 | Biomet, Inc. | Method and apparatus for providing a shell component incorporating a porous ingrowth material and liner |
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| EP0773007B1 (de) * | 1995-11-07 | 2000-02-02 | Aesculap AG & Co. KG | Endoprothetische Hüftgelenkpfanne |
| US5782929A (en) | 1996-12-31 | 1998-07-21 | Sulzer Orthopedics Inc. | Acetabular shell having sintered screw hole plugs |
| CA2270861C (en) * | 1998-05-22 | 2006-08-29 | Michael B. Sheldon | Acetabular cup assembly with selected bearing |
-
1999
- 1999-05-05 CA CA002270861A patent/CA2270861C/en not_active Expired - Lifetime
- 1999-05-05 AU AU26957/99A patent/AU2695799A/en not_active Abandoned
- 1999-05-18 DE DE69905970T patent/DE69905970T2/de not_active Expired - Lifetime
- 1999-05-18 EP EP99303845A patent/EP0958797B1/en not_active Expired - Lifetime
- 1999-05-19 JP JP13798699A patent/JP3650707B2/ja not_active Expired - Lifetime
-
2000
- 2000-09-19 US US09/665,025 patent/US6475243B1/en not_active Expired - Lifetime
-
2001
- 2001-09-19 EP EP01307979A patent/EP1195149B1/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001286496A (ja) * | 2000-03-15 | 2001-10-16 | Depuy Orthopaedics Inc | 自己係止テーパー部分を有する構成部品を備えているプロテーゼ・カップ組立体 |
| JP2009078188A (ja) * | 2000-03-15 | 2009-04-16 | Depuy Orthopaedics Inc | 自己係止テーパー部分を有する構成部品を備えているプロテーゼ・カップ組立体 |
| JP2008264589A (ja) * | 2001-11-16 | 2008-11-06 | Depuy Orthopaedics Inc | 人工器官カップアセンブリ |
| JP2009056341A (ja) * | 2001-11-16 | 2009-03-19 | Depuy Orthopaedics Inc | 人工器官のコンポーネントアセンブリ |
| JP2009534062A (ja) * | 2006-04-19 | 2009-09-24 | ブレーム ペーター | モジュール式の腰部インプラント |
| US9005302B2 (en) | 2006-04-19 | 2015-04-14 | Peter Brehm Gmbh | Modular hip implant |
| JP2010518973A (ja) * | 2007-02-22 | 2010-06-03 | バイオメット・マニュファクチャリング・コーポレイション | コバルト担持表面を備える多孔質金属カップ |
| US9445903B2 (en) | 2008-11-24 | 2016-09-20 | Biomet Manufacturing, Llc | Multi-bearing acetabular prosthesis |
| US9445904B2 (en) | 2009-07-14 | 2016-09-20 | Biomet Manufacturing, Llc | Multiple bearing acetabular prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0958797B1 (en) | 2003-03-19 |
| EP1195149A3 (en) | 2003-05-21 |
| EP1195149B1 (en) | 2005-07-13 |
| EP0958797A1 (en) | 1999-11-24 |
| JP3650707B2 (ja) | 2005-05-25 |
| DE69905970D1 (de) | 2003-04-24 |
| US6475243B1 (en) | 2002-11-05 |
| AU2695799A (en) | 1999-12-02 |
| CA2270861C (en) | 2006-08-29 |
| EP1195149A2 (en) | 2002-04-10 |
| CA2270861A1 (en) | 1999-11-22 |
| DE69905970T2 (de) | 2004-02-05 |
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