JPH11221243A - 可動支持人工膝及び可動支持人工膝用の関節要素 - Google Patents

可動支持人工膝及び可動支持人工膝用の関節要素

Info

Publication number
JPH11221243A
JPH11221243A JP10337350A JP33735098A JPH11221243A JP H11221243 A JPH11221243 A JP H11221243A JP 10337350 A JP10337350 A JP 10337350A JP 33735098 A JP33735098 A JP 33735098A JP H11221243 A JPH11221243 A JP H11221243A
Authority
JP
Japan
Prior art keywords
tibial
joint
distal surface
joint element
proximal surface
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.)
Pending
Application number
JP10337350A
Other languages
English (en)
Inventor
Audrey M Beckman
エム．ベックマン オードリー
Paul D Schoenle
ディー．スコーンル ポール
James F Smith
エフ．スミス ジェイムス
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bristol Myers Squibb Co
Original Assignee
Bristol Myers Squibb Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bristol Myers Squibb Co filed Critical Bristol Myers Squibb Co
Publication of JPH11221243A publication Critical patent/JPH11221243A/ja
Pending legal-status Critical Current

Links

Classifications

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    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
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    • A61F2002/30973—Two joined adjacent layers having complementary interlocking protrusions and recesses
    • 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 for implanting artificial joints
    • A61F2002/4631—Special tools for implanting artificial joints the prosthesis being specially adapted for being cemented
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0008—Rounded shapes, e.g. with rounded corners elliptical or oval
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0043—L-shaped
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0052—T-shaped
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical
    • 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
    • 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
    • A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
    • 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
    • A61F2310/00179—Ceramics or ceramic-like structures

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (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

(57)【要約】 【課題】 脛骨要素に接触する金属トレイを備えて形成
される関節要素を有する新規の可動支持人工膝を提供す
ること。 【解決手段】 本発明においては、関節要素は、金属ト
レイと、金属トレイに成形された又は結合されたポリエ
チレン支持体とを備える。脛骨要素と接触している金属
トレイの遠位表面は、高度に研磨されてほぼ平坦であ
る。関節要素と接触している脛骨要素の近位表面は、同
様に高度に研磨されてほぼ平坦である。使用において
は、２つの高度に研磨された平坦な表面は、運動時に患
者の膝関節が屈曲及び伸展されると関節表面が脛骨要素
に対して自由に動ける環境を提供する。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、一般に可動支持人
工膝（ｍｏｂｉｌｅ ｂｅａｒｉｎｇ ｋｎｅｅ）と呼
称されるタイプの人工膝移植装置に関し、金属又はセラ
ミックの脛骨要素に接触する金属又はセラミックを裏材
として備えた関節要素を有する可動支持人工膝移植装置
に特に関する。
【０００２】
【従来の技術】膝関節の屈曲及び伸展時に固定された脛
骨トレイに対して可動である脛骨関節表面を有する人工
膝移植装置は可動支持人工膝として知られており、この
ような人工膝移植装置を本記載を通して可動支持人工膝
と呼称する。従来、可動支持人工膝は、主として、脛骨
の前処理された近位端部に取り付けられる脛骨要素と、
ポリエチレン、代表的には超高分子量ポリエチレン（Ｕ
ＨＭＷＰＥ）から作られる支持要素とから構成されてい
た。一般的には、膝の運動時に脛骨要素に対して移動可
能な関節要素の運動を制限又は限定する幾つか又は複数
の機構が存在する。遠位大腿骨の一部分を置換し且つ関
節要素に対して関節接合するように形成されている大腿
骨要素が完全な人工膝関節のためにはさらに必要とされ
る。しかしながら、本願の目的上、大腿骨要素又はその
任意の詳細部の詳細な設計を無関係なものとみなす。
【０００３】
【発明が解決しようとする課題】本発明の目的は、脛骨
要素との接触のための金属トレイを備えて形成される関
節要素を有する新規の可動支持人工膝を提供することで
ある。本発明の別の目的は、関節表面が大腿骨要素との
接触のための金属トレイと結合している、脛骨要素との
接触のための金属トレイを備えて形成される関節要素を
有する新規の可動支持人工膝を提供することである。
【０００４】本発明のさらに別の目的は、脛骨要素との
接触のためのセラミックトレイを備えて形成される関節
要素を有する新規の可動支持人工膝を提供することであ
る。本発明の他の目的は、発明の実施の形態の添付図面
に関する説明を読むことで明らかとなる。
【０００５】
【課題を解決するための手段】本発明において、可動支
持人工膝は脛骨要素と関節要素とを備え、関節要素は、
金属トレイと、金属トレイ上に成形される又は結合され
るポリエチレン支持体とを備える。脛骨要素と接触する
金属トレイの遠位表面は高度に研磨されており、ほぼ平
坦である。関節要素と接触する脛骨要素の近位表面は同
様に高度に研磨されており、ほぼ平坦である。使用にお
いては、２つの高度に研磨された平坦な表面は、運動時
に患者の膝関節が屈曲及び伸展されるときに、関節表面
が脛骨要素に対して自由に動ける環境を提供する。好適
な実施形態においては、脛骨要素は、脛骨へと延びる中
空切頭円錐形突起部を備える。さらに、関節要素の金属
トレイは脛骨要素の中空切頭円錐形突起部へと延びる形
状に形成される切頭円錐形突起部を備える。脛骨トレイ
の突起部の内側寸法は、金属トレイの突起部の外側寸法
よりも大きく、金属トレイ及び同金属トレイによって関
節表面が脛骨要素に対する運動を特定の範囲に限定又は
制限されるように、製造時に調整される。
【０００６】代替的には、金属トレイ及び／又は脛骨要
素が、全体又は部分的に、普通は整形外科分野で使用さ
れるようなセラミック材料から作られてもよい。
【０００７】
【発明の実施の形態】本願で説明される好適な実施形態
は、全てを網羅すること又は開示されるままの形態に適
用を限定することを意図するものではない。むしろ、実
施形態は、当業者が本発明の教示を利用できるようにす
るために、当業者に対して本発明を説明するために選択
されて説明されるものである。
【０００８】図面を参照すると、（断面で示されてい
る）前処理されている脛骨８の近位端部と結合されてい
る可動支持人工膝１０が断面図で示されている。可動支
持人工膝１０は、脛骨要素１２と関節要素１４とを備え
る。脛骨要素１２はチタン又はコバルト・クロム合金の
ような公知の生体適合性金属から形成され、遠位表面１
６で脛骨８と接触し近位表面１８で関節要素１４と接触
するように形成される。脛骨要素の外周は概略卵形形状
である。好適な実施形態においては、脛骨要素１２は中
空切頭円錐形突起部２０を備え、この中空切頭円錐形突
起部２０は脛骨要素の近位表面１８から延びて遠位表面
１６を通り越し、遠位表面１６からさらに延びている。
脛骨要素１２は、ネジ（不図示）又は骨接合剤層（不図
示）又は脛骨８と脛骨要素１２の間のプレスばめのよう
な方法で脛骨８に確実に固定されることを意図されてい
る。脛骨要素１２を脛骨８に確実に固定する詳細な方法
は設計選択肢の一つであり、本発明にとって重要なこと
ではない。さらに、好適な実施形態においては、脛骨要
素１２の近位表面１８は高度に研磨されており、ほぼ平
坦である。
【０００９】関節要素１４は金属トレイ２４と高分子関
節板２６とを備える。関節要素１４の外周はほぼ卵形で
あり、脛骨要素１２の外周とほぼ合致するようにされて
いるが、このようなことは本発明の限定と考えられるべ
きではない。金属トレイ２４はチタン又はコバルト・ク
ロム合金のような公知の生体適合性金属から形成され、
近位表面３０と遠位表面３２とを有する板状部分２８を
備える。切頭円錐形突起部３３が遠位表面３２から延び
ている。好適な実施形態においては、板状部分２８の遠
位表面３２は高度に研磨されており、ほぼ平坦である。
近位表面３０は複数のレール３４を備え、これらのレー
ル３４は、好適な実施形態においては、概略Ｔ字形状断
面を有している。逆Ｌ字形状の側部レール３６は近位表
面３０から上方に延び、高分子関節板２６のための側部
境界を画定する。関節板２６が、公知の方法で、関節表
面３８が大腿骨人工膝装置の関節丘と接触するような形
状になるように形成される。関節板２６が製造環境で金
属トレイ２４上に直接成形されてもよい。代替的には、
関節板２６を金属トレイ２４に噛合させることを可能に
する公知の方法に適合するように、金属トレイ２４の近
位表面が変更されてもよい。関節板２６が金属トレイ２
４上に成形されるか噛合されるかは本発明に関係するこ
とではなく、本発明の調和する範囲内で当業者によって
変更されてもよい。
【００１０】使用においては、脛骨の近位表面が脛骨ト
レイ１２を受容するように形成され、脛骨トレイ１２が
公知の方法で近位脛骨に結合される又は確実に固定され
る。次に、関節要素１４からの突起部３３が脛骨トレイ
の中空突起部２０内に一致するように、関節要素１４が
脛骨要素１２に置かれる。突起部３３の外側寸法は、突
起部３３が突起部２０内で限定された量だけ動けるよう
に、突起部２０の内側寸法よりも僅かに小さい。このよ
うにして、可動支持人工膝１０の設計者は脛骨トレイ１
２に対する関節要素１４の適切な量の運動を与えること
ができる。このような運動の厳密な量又は突起部２０の
内側寸法と突起部３３の外側寸法の間の差はこの点で単
なる設計選択肢の１つにすぎない。脛骨要素１２の近位
表面１８と関節要素１４の遠位表面３２とは金属から形
成されており、高度に研磨されて平坦であることから、
膝関節の屈曲及び伸展時に関節表面は脛骨要素に対して
移動することができ、その移動は突起部２０の内側寸法
と突起部３３の外側寸法の間の接触のみによって限定さ
れる。関節の近くにある自然体液は脛骨要素と関節要素
の間の潤滑油として作用する。
【００１１】関節要素と脛骨要素との間の運動を制限す
るための多様な機構が開発されてもよいことが理解され
るべきであり、適用形態は開示されたそのままの形態に
限定されるべきではない。例えば、脛骨要素は、近位方
向に関節要素へ延びる柱を備えることもでき、この柱は
２つの要素間の相対運動を制限するための手段として働
く。さらに、脛骨要素、又は関節要素は、他方の要素の
スロットへと延びている又はその周囲に配置されていて
他方の要素の周囲と接触する複数の耳を備えることがで
きる。２つの要素間の運動を制限するために使用されて
いる特別な機械的手段とは無関係に、脛骨要素の近位表
面及び関節要素の金属トレイの遠位表面はほぼ平坦であ
り高度に研磨されていることが重要である。
【００１２】可動支持人工膝を潤滑する補助をし、それ
によって摩擦を低減させるためには、突起部３３と中空
突起部２０の間に形成されている隙間に滑液のような多
量の潤滑液を入れることが望ましいであろう。本発明が
金属又は合金から形成されるものとして説明されたが、
このようなことは本発明に対する制限とみなされるべき
ではないことを理解するべきである。脛骨要素１２及び
脛骨トレイ１４が生体適合性セラミック材料から形成さ
れてもまだ本発明の範囲内である。
【００１３】本発明は開示されたままの形態に限定され
るものではなく、請求の範囲に記載された内容の範囲内
で修正することができることが理解されるべきである。
【図面の簡単な説明】
【図１】脛骨要素と関節要素とを備え且つ予め形成され
た大腿骨の近位端部に取り付けられる、本発明の可動支
持人工膝の断面図である。
【図２】本発明の可動支持人工膝の脛骨要素の上面図で
ある。
【図３】図２の脛骨要素の側面図である。
【図４】図２の線４−４に沿って切った断面図である。
【図５】本発明の関節要素の金属トレイ部分の上面図で
ある。
【図６】図５の関節要素の側面図である。
【図７】図６の線７−７に沿って見た立面図である。
【符号の説明】
１０…可動支持人工膝 １２…脛骨要素 １４…関節要素 １６…遠位表面 １８…近位表面 ３０…近位表面 ３２…遠位表面
フロントページの続き (72)発明者 ポール ディー．スコーンル アメリカ合衆国，インディアナ 46614, サウス ベンド，ファーミントン レーン 19265 (72)発明者 ジェイムス エフ．スミス アメリカ合衆国，インディアナ 46526, ゴーシェン，ベインブリッジ プレイス 721

Claims (9)

    【特許請求の範囲】
  1. 【請求項１】 遠位表面と近位表面とを有する脛骨要素
    と、遠位表面と近位表面とを有する関節要素とを備え、
    前記関節要素の遠位表面が前記脛骨要素の前記近位表面
    と滑動係合するように配置されている、可動支持人工
    膝。
  2. 【請求項２】 前記関節要素の近位表面が、ポリエチレ
    ン材料から形成され、大腿骨人工移植装置の関節丘支持
    表面と接触するような形状に形成されている、請求項１
    に記載の可動支持人工膝。
  3. 【請求項３】 前記脛骨要素と、関節要素の遠位表面と
    が生体適合性金属から形成されている、請求項１に記載
    の可動支持人工膝。
  4. 【請求項４】 前記脛骨要素の近位表面はほぼ平坦であ
    り、高度に研磨されている、請求項３に記載の可動支持
    人工膝。
  5. 【請求項５】 前記関節要素の遠位表面はほぼ平坦であ
    り、高度に研磨されている、請求項３に記載の可動支持
    人工膝。
  6. 【請求項６】 前記関節要素の遠位表面と前記脛骨要素
    の近位表面とが生体適合性セラミックから形成されてい
    る、請求項１に記載の可動支持人工膝。
  7. 【請求項７】 前記関節要素と前記脛骨要素との間の滑
    動係合を所定の範囲に制限するために、前記関節要素と
    前記脛骨要素との間に延びる制限手段をさらに備える、
    請求項１に記載の可動支持人工膝。
  8. 【請求項８】 前記制限手段は、前記脛骨要素の前記近
    位表面及び前記遠位表面を通り抜けて前記遠位表面から
    さらに延びている中空突起部を備え、前記脛骨要素の前
    記中空突起部へ延びる突起部をさらに備え、前記脛骨要
    素の前記中空突起部は内側寸法を有し、前記関節要素の
    前記突起部は外側寸法を有し、前記関節要素から延びる
    突起部が、前記関節要素の遠位表面が前記脛骨の前記近
    位表面と滑動係合している状態で、前記中空突起部内で
    移動可能であるように、前記中空突起部の内側寸法は前
    記関節要素から延びる突起部の外側寸法より大きい、請
    求項７に記載の可動支持人工膝。
  9. 【請求項９】 大腿骨人工要素と脛骨人工要素との間に
    配置され、その間で滑動係合する形状に形成される可動
    支持人工膝用の関節要素であって、金属トレイとポリエ
    チレン関節表面とを備え、前記金属トレイは近位表面と
    遠位表面とを有し、前記関節表面は近位表面と遠位表面
    とを有し、前記金属トレイの前記遠位表面はほぼ平坦で
    高度に研磨されており、前記関節表面の前記近位表面は
    大腿骨人工移植装置の関節丘部分と協動するように形成
    され、前記脛骨トレイと前記関節表面の遠位表面とは前
    記関節表面を前記金属トレイに取り付けるために協動す
    る要素を備える、可動支持人工膝用の関節要素。
JP10337350A 1997-12-12 1998-11-27 可動支持人工膝及び可動支持人工膝用の関節要素 Pending JPH11221243A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/989,729 US5957979A (en) 1997-12-12 1997-12-12 Mobile bearing knee with metal on metal interface
US08/989729 1997-12-12

Publications (1)

Publication Number Publication Date
JPH11221243A true JPH11221243A (ja) 1999-08-17

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Country Link
US (1) US5957979A (ja)
EP (2) EP0925765B1 (ja)
JP (1) JPH11221243A (ja)
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DE (2) DE69818951T2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008253771A (ja) * 2007-03-30 2008-10-23 Depuy Products Inc 可動式支持アセンブリ
JP2019188192A (ja) * 2009-07-10 2019-10-31 メディカルトゥリー・パテント・リミテッド 装置によって人体のまたは哺乳類患者を治療する植込み型注油装置および方法

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8771365B2 (en) 2009-02-25 2014-07-08 Conformis, Inc. Patient-adapted and improved orthopedic implants, designs, and related tools
US8480754B2 (en) 2001-05-25 2013-07-09 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US9603711B2 (en) 2001-05-25 2017-03-28 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US6306172B1 (en) * 1999-01-28 2001-10-23 Johnson & Johnson Professional, Inc. Modular tibial insert for prosthesis system
JP4425404B2 (ja) * 1999-02-03 2010-03-03 デピュイ・オーソピーディックス・インコーポレイテッド 関節プロテーゼシステム
US20050209703A1 (en) * 1999-04-02 2005-09-22 Fell Barry M Surgically implantable prosthetic system
US6911044B2 (en) * 1999-05-10 2005-06-28 Barry M. Fell Surgically implantable knee prosthesis having medially shifted tibial surface
US7297161B2 (en) * 1999-05-10 2007-11-20 Fell Barry M Surgically implantable knee prosthesis
US6966928B2 (en) * 1999-05-10 2005-11-22 Fell Barry M Surgically implantable knee prosthesis having keels
US6893463B2 (en) * 1999-05-10 2005-05-17 Barry M. Fell Surgically implantable knee prosthesis having two-piece keyed components
US20050033424A1 (en) * 1999-05-10 2005-02-10 Fell Barry M. Surgically implantable knee prosthesis
US7338524B2 (en) * 1999-05-10 2008-03-04 Fell Barry M Surgically implantable knee prosthesis
US7491235B2 (en) 1999-05-10 2009-02-17 Fell Barry M Surgically implantable knee prosthesis
US6620198B2 (en) * 1999-10-07 2003-09-16 Exactech, Inc. Composite bearing inserts for total knee joints
US6875235B2 (en) * 1999-10-08 2005-04-05 Bret A. Ferree Prosthetic joints with contained compressible resilient members
US6296666B1 (en) 2000-03-13 2001-10-02 Encore Medical Corporation Mobile bearing knee with center post
EP1331904B1 (en) * 2000-07-20 2005-06-01 Hayes Medical Inc. Bimetal tibial component construct for knee joint prosthesis
EP1337205A1 (en) * 2000-09-01 2003-08-27 Eugene M. Wolf Facile total shoulder arthroplasty apparatus and method
US6558426B1 (en) 2000-11-28 2003-05-06 Medidea, Llc Multiple-cam, posterior-stabilized knee prosthesis
US7497874B1 (en) 2001-02-23 2009-03-03 Biomet Manufacturing Corp. Knee joint prosthesis
US20020120340A1 (en) 2001-02-23 2002-08-29 Metzger Robert G. Knee joint prosthesis
US9155626B2 (en) 2012-09-10 2015-10-13 Acumed Llc Radial head prosthesis with floating articular member
US20040162619A1 (en) 2001-08-27 2004-08-19 Zimmer Technology, Inc. Tibial augments for use with knee joint prostheses, method of implanting the tibial augment, and associated tools
US20030065397A1 (en) 2001-08-27 2003-04-03 Hanssen Arlen D. Prosthetic implant support structure
US7892288B2 (en) 2001-08-27 2011-02-22 Zimmer Technology, Inc. Femoral augments for use with knee joint prosthesis
US6676705B1 (en) 2001-09-13 2004-01-13 Eugene M. Wolf Variable tilt angle taper lock shoulder prosthesis
US7179295B2 (en) * 2001-10-05 2007-02-20 Nebojsa Kovacevic Prosthetic shock absorber
US20040034432A1 (en) * 2002-02-11 2004-02-19 Dean Hughes Mobile bearing tibial base prosthetic devices employing oxidized zirconium surfaces
USD684693S1 (en) 2002-08-22 2013-06-18 Zimmer, Inc. Prosthetic implant support structure
GB0219758D0 (en) 2002-08-24 2002-10-02 Grampian Univ Hospitals Device
AU2003284035A1 (en) 2002-10-07 2004-05-04 Conformis, Inc. Minimally invasive joint implant with 3-dimensional geometry matching the articular surfaces
US8388624B2 (en) 2003-02-24 2013-03-05 Arthrosurface Incorporated Trochlear resurfacing system and method
US7771369B2 (en) * 2003-12-05 2010-08-10 Boston Scientific Scimed, Inc. Guide catheter with removable support
US7753960B2 (en) * 2004-02-26 2010-07-13 Omni Life Science, Inc. Modular knee prosthesis
US7572293B2 (en) 2005-06-30 2009-08-11 Depuy Products, Inc. Tibial insert and associated surgical method
JP5265372B2 (ja) 2005-10-31 2013-08-14 デピュイ・プロダクツ・インコーポレイテッド モジュラー固定式および可動式ベアリングプロテーゼシステム
US7691149B2 (en) * 2006-05-15 2010-04-06 Biomet Manufacturing Corp. Porous titanium modular revision patella system
US8764839B2 (en) 2006-06-22 2014-07-01 DePuy Synthes Products, LLC Tibial insert having a keel including a bore formed therein
US8163027B2 (en) 2006-06-22 2012-04-24 Depuy Products, Inc. Tibial insert having a reinforced keel
US8540778B2 (en) 2006-06-22 2013-09-24 DePuy Synthes Products, LLC Tibial insert having multiple keels
US8114165B2 (en) 2006-06-22 2012-02-14 Depuy Products, Inc. Tibial insert and method for implanting the same
US7740662B2 (en) 2006-10-13 2010-06-22 Depuy Products, Inc. Mobile/fixed prosthetic knee systems
US20080091273A1 (en) * 2006-10-13 2008-04-17 Hazebrouck Stephen A Mobile/fixed prosthetic knee systems
CA2668692C (en) * 2006-11-07 2013-06-18 Biomedflex, Llc Medical implants
US8512413B2 (en) 2006-11-07 2013-08-20 Biomedflex, Llc Prosthetic knee joint
US7914580B2 (en) * 2006-11-07 2011-03-29 Biomedflex Llc Prosthetic ball-and-socket joint
US8029574B2 (en) * 2006-11-07 2011-10-04 Biomedflex Llc Prosthetic knee joint
US8308812B2 (en) 2006-11-07 2012-11-13 Biomedflex, Llc Prosthetic joint assembly and joint member therefor
US20110166671A1 (en) * 2006-11-07 2011-07-07 Kellar Franz W Prosthetic joint
US8070823B2 (en) * 2006-11-07 2011-12-06 Biomedflex Llc Prosthetic ball-and-socket joint
US7905919B2 (en) * 2006-11-07 2011-03-15 Biomedflex Llc Prosthetic joint
US9005307B2 (en) 2006-11-07 2015-04-14 Biomedflex, Llc Prosthetic ball-and-socket joint
AU2007332787A1 (en) 2006-12-11 2008-06-19 Arthrosurface Incorporated Retrograde resection apparatus and method
US8562616B2 (en) 2007-10-10 2013-10-22 Biomet Manufacturing, Llc Knee joint prosthesis system and method for implantation
US8328873B2 (en) 2007-01-10 2012-12-11 Biomet Manufacturing Corp. Knee joint prosthesis system and method for implantation
US8187280B2 (en) 2007-10-10 2012-05-29 Biomet Manufacturing Corp. Knee joint prosthesis system and method for implantation
JP5448842B2 (ja) 2007-01-10 2014-03-19 バイオメト マニファクチャリング コーポレイション 膝関節プロテーゼシステムおよび埋込み方法
US8163028B2 (en) 2007-01-10 2012-04-24 Biomet Manufacturing Corp. Knee joint prosthesis system and method for implantation
US8147557B2 (en) * 2007-03-30 2012-04-03 Depuy Products, Inc. Mobile bearing insert having offset dwell point
US8147558B2 (en) * 2007-03-30 2012-04-03 Depuy Products, Inc. Mobile bearing assembly having multiple articulation interfaces
US8142510B2 (en) * 2007-03-30 2012-03-27 Depuy Products, Inc. Mobile bearing assembly having a non-planar interface
US8764841B2 (en) * 2007-03-30 2014-07-01 DePuy Synthes Products, LLC Mobile bearing assembly having a closed track
US8177849B2 (en) 2007-05-07 2012-05-15 Zimmer, Inc. Methods and apparatuses for attaching tissue to orthopaedic implants
AU2008255048B2 (en) 2007-05-15 2014-05-01 Barry M. Fell Surgically implantable knee prosthesis with captured keel
WO2009029207A1 (en) * 2007-08-27 2009-03-05 Vladimir Shur Knee prosthesis
US8632600B2 (en) 2007-09-25 2014-01-21 Depuy (Ireland) Prosthesis with modular extensions
US8470047B2 (en) * 2007-09-25 2013-06-25 Depuy (Ireland) Fixed-bearing knee prosthesis
US20110035017A1 (en) * 2007-09-25 2011-02-10 Depuy Products, Inc. Prosthesis with cut-off pegs and surgical method
US7628818B2 (en) * 2007-09-28 2009-12-08 Depuy Products, Inc. Fixed-bearing knee prosthesis having interchangeable components
US8715359B2 (en) 2009-10-30 2014-05-06 Depuy (Ireland) Prosthesis for cemented fixation and method for making the prosthesis
US8128703B2 (en) * 2007-09-28 2012-03-06 Depuy Products, Inc. Fixed-bearing knee prosthesis having interchangeable components
US9204967B2 (en) 2007-09-28 2015-12-08 Depuy (Ireland) Fixed-bearing knee prosthesis having interchangeable components
EP2394608A1 (en) 2008-06-03 2011-12-14 DePuy Products, Inc. Porous titanium femoral sleeves
DK2130516T3 (da) * 2008-06-03 2014-04-07 Depuy Ireland Tibiale bøsninger af porøs titan
US8236061B2 (en) 2008-06-30 2012-08-07 Depuy Products, Inc. Orthopaedic knee prosthesis having controlled condylar curvature
US8187335B2 (en) 2008-06-30 2012-05-29 Depuy Products, Inc. Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature
US8192498B2 (en) 2008-06-30 2012-06-05 Depuy Products, Inc. Posterior cructiate-retaining orthopaedic knee prosthesis having controlled condylar curvature
US8206451B2 (en) 2008-06-30 2012-06-26 Depuy Products, Inc. Posterior stabilized orthopaedic prosthesis
US9119723B2 (en) 2008-06-30 2015-09-01 Depuy (Ireland) Posterior stabilized orthopaedic prosthesis assembly
US9168145B2 (en) 2008-06-30 2015-10-27 Depuy (Ireland) Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature
US8828086B2 (en) 2008-06-30 2014-09-09 Depuy (Ireland) Orthopaedic femoral component having controlled condylar curvature
US8696754B2 (en) * 2008-09-03 2014-04-15 Biomet Manufacturing, Llc Revision patella prosthesis
US8888856B2 (en) * 2009-01-27 2014-11-18 Zimmer, Inc. Total knee implant
WO2010121250A1 (en) 2009-04-17 2010-10-21 Arthrosurface Incorporated Glenoid resurfacing system and method
WO2016154393A1 (en) 2009-04-17 2016-09-29 Arthrosurface Incorporated Glenoid repair system and methods of use thereof
EP2272466A1 (en) * 2009-07-10 2011-01-12 Medizinische Hochschule Hannover Knee joint prosthesis and method for producing said prosthesis
US8246687B2 (en) * 2009-11-18 2012-08-21 Biomet Manufacturing Corp. Shoulder prosthetic
US9011547B2 (en) 2010-01-21 2015-04-21 Depuy (Ireland) Knee prosthesis system
AU2011222404A1 (en) 2010-03-05 2012-09-27 Arthrosurface Incorporated Tibial resurfacing system and method
JP5647373B2 (ja) 2011-03-25 2014-12-24 ジンマー ゲーエムベーハー 肩関節プロテーゼ
US8747479B2 (en) 2011-04-26 2014-06-10 Michael A. McShane Tibial component
US8900317B2 (en) 2011-05-20 2014-12-02 Zimmer, Inc. Stabilizing prosthesis support structure
US8617250B2 (en) 2011-06-17 2013-12-31 Biomet Manufacturing, Llc Revision knee tibial locking mechanism
US9814584B2 (en) 2011-09-28 2017-11-14 Depuy Ireland Unlimited Company Fixed-bearing knee prosthesis having a locking mechanism with a concave-to-convex mating interface
EP2804565B1 (en) 2011-12-22 2018-03-07 Arthrosurface Incorporated System for bone fixation
US8734523B2 (en) 2012-05-31 2014-05-27 Howmedica Osteonics Corp. Limited motion tibial bearing
DE112013003358T5 (de) 2012-07-03 2015-03-19 Arthrosurface, Inc. System und Verfahren für Gelenkoberflächenersatz und -reparatur
US9492200B2 (en) 2013-04-16 2016-11-15 Arthrosurface Incorporated Suture system and method
DE102013227136B4 (de) * 2013-12-23 2020-12-31 Mathys Ag Bettlach Beschichtetes Hemiprothesen-Implantat
US10624748B2 (en) 2014-03-07 2020-04-21 Arthrosurface Incorporated System and method for repairing articular surfaces
US11607319B2 (en) 2014-03-07 2023-03-21 Arthrosurface Incorporated System and method for repairing articular surfaces
US20150250472A1 (en) 2014-03-07 2015-09-10 Arthrosurface Incorporated Delivery System for Articular Surface Implant
US9763792B2 (en) 2015-10-01 2017-09-19 Acumed Llc Radial head prosthesis with rotate-to-lock interface
JP6916290B2 (ja) 2017-01-20 2021-08-11 バイオメット マニュファクチャリング，リミティド ライアビリティ カンパニー モジュール式増強コンポーネント
CN107361883B (zh) * 2017-08-01 2019-07-09 北京安颂科技有限公司 锥锁定膝关节假体
US11160663B2 (en) 2017-08-04 2021-11-02 Arthrosurface Incorporated Multicomponent articular surface implant
US11478358B2 (en) 2019-03-12 2022-10-25 Arthrosurface Incorporated Humeral and glenoid articular surface implant systems and methods
CN111297520B (zh) * 2020-03-23 2022-10-25 北京市春立正达医疗器械股份有限公司 一种生物型胫骨平台托与平台垫
US12478477B2 (en) 2021-12-21 2025-11-25 Depuy Ireland Unlimited Company Modular tibial cone augments and method of surgically using the same
US12115084B2 (en) 2021-12-21 2024-10-15 Depuy Ireland Unlimited Company Method of installing a knee cone augment in an orthopaedic surgical procedure
GB2633838A (en) * 2023-09-25 2025-03-26 Osstec Ltd Orthopaedic implant

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869731A (en) * 1973-02-14 1975-03-11 Univ California Articulated two-part prosthesis replacing the knee joint
US3916451A (en) * 1974-10-25 1975-11-04 Frederick F Buechel Floating center prosthetic joint
US4219893A (en) * 1977-09-01 1980-09-02 United States Surgical Corporation Prosthetic knee joint
US4301553A (en) * 1975-08-15 1981-11-24 United States Surgical Corporation Prosthetic knee joint
US4136405A (en) * 1977-04-29 1979-01-30 Zimmer U.S.A. Rotational offset knee prosthesis
US4216549A (en) * 1977-06-02 1980-08-12 Purdue Research Foundation Semi-stable total knee prosthesis
US4470158A (en) * 1978-03-10 1984-09-11 Biomedical Engineering Corp. Joint endoprosthesis
US4224697A (en) * 1978-09-08 1980-09-30 Hexcel Corporation Constrained prosthetic knee
US4224696A (en) * 1978-09-08 1980-09-30 Hexcel Corporation Prosthetic knee
US4257129A (en) * 1979-05-21 1981-03-24 Volz Robert G Prosthetic knee joint tibial implant
US4309778A (en) * 1979-07-02 1982-01-12 Biomedical Engineering Corp. New Jersey meniscal bearing knee replacement
US4340978A (en) * 1979-07-02 1982-07-27 Biomedical Engineering Corp. New Jersey meniscal bearing knee replacement
US4262368A (en) * 1979-09-24 1981-04-21 Wright Manufacturing Company Rotating and hinged knee prosthesis
US4353136A (en) * 1980-11-05 1982-10-12 Polyzoides Apostolos J Endoprosthetic knee joint
JPS6077752A (ja) * 1983-09-30 1985-05-02 東海林　宏 メニスカル人工膝関節
US4634444A (en) * 1984-02-09 1987-01-06 Joint Medical Products Corporation Semi-constrained artificial joint
DE3433264C2 (de) * 1984-09-11 1986-10-02 S + G Implants GmbH, 2400 Lübeck Tibiateil für eine Kniegelenk-Endoprothese
SE450336B (sv) * 1984-11-28 1987-06-22 Branemark Per Ingvar Ledprotes for permanent forankring i benvevnaden
SE450460B (sv) * 1984-11-28 1987-06-29 Albrektsson Bjoern Anordning vid konstgjord menisk for en kneledsprotes
DE3444001C2 (de) * 1984-11-29 1986-12-18 L. Prof. Dr.med. 1000 Berlin Hanslik Kniegelenkendoprothese
GB8432267D0 (en) * 1984-12-20 1985-01-30 Thackray C F Ltd Knee prosthesis
US4808185A (en) * 1986-02-07 1989-02-28 Penenberg Brad L Tibial prosthesis, template and reamer
US4963152A (en) * 1986-10-27 1990-10-16 Intermedics Orthopedics, Inc. Asymmetric prosthetic tibial component
US4755185A (en) * 1987-01-27 1988-07-05 Boehringer Mannheim Corporation Prosthetic joint
US4888021A (en) * 1988-02-02 1989-12-19 Joint Medical Products Corporation Knee and patellar prosthesis
US5011496A (en) * 1988-02-02 1991-04-30 Joint Medical Products Corporation Prosthetic joint
US4883488A (en) * 1988-06-13 1989-11-28 Harrington Arthritis Research Center Tibial component for a knee prosthesis
GB8817908D0 (en) * 1988-07-27 1988-09-01 Howmedica Tibial component for replacement knee prosthesis
GB2223950B (en) * 1988-10-18 1992-06-17 Univ London Knee prosthesis
US4944757A (en) * 1988-11-07 1990-07-31 Martinez David M Modulator knee prosthesis system
DE3908958C2 (de) * 1989-03-18 1996-09-12 Kubein Meesenburg Dietmar Künstliches Gelenk
US5171283A (en) * 1989-07-11 1992-12-15 Biomedical Engineering Trust Compound shape rotating bearing
US5192328A (en) * 1989-09-29 1993-03-09 Winters Thomas F Knee joint replacement apparatus
US5059216A (en) * 1989-09-29 1991-10-22 Winters Thomas F Knee joint replacement apparatus
DE4009360A1 (de) * 1990-02-16 1991-08-22 Friedrichsfeld Gmbh Kniegelenk-endoprothese
GB9005496D0 (en) * 1990-03-12 1990-05-09 Howmedica Tibial component for a replacement knee prosthesis and total knee prosthesis incorporating such a component
US5358531A (en) * 1990-06-12 1994-10-25 British Technology Group Limited Prosthetic knee joint devices
FR2663536B1 (fr) * 1990-06-22 1998-02-13 Implants Instr Ch Fab Prothese totale du genou de type a glissement.
GB9018782D0 (en) * 1990-08-28 1990-10-10 Goodfellow John W Phosthetic femoral components
US5370701A (en) * 1990-09-28 1994-12-06 Arch Development Corporation Rotating/sliding contrained prosthetic knee
CA2078228C (en) * 1990-11-14 2000-04-11 Lawrence Pottenger Improved floating bearing prosthetic knee
GB9102348D0 (en) * 1991-02-04 1991-03-20 Inst Of Orthopaedics The Prosthesis for knee replacement
US5609639A (en) * 1991-02-04 1997-03-11 Walker; Peter S. Prosthesis for knee replacement
GB9102633D0 (en) * 1991-02-07 1991-03-27 Finsbury Instr Ltd Knee prosthesis
US5282868A (en) * 1991-06-17 1994-02-01 Andre Bahler Prosthetic arrangement for a complex joint, especially knee joint
US5395401A (en) * 1991-06-17 1995-03-07 Bahler; Andre Prosthetic device for a complex joint
US5133758A (en) * 1991-09-16 1992-07-28 Research And Education Institute, Inc. Harbor-Ucla Medical Center Total knee endoprosthesis with fixed flexion-extension axis of rotation
DE4202717C1 (ja) * 1991-12-11 1993-06-17 Dietmar Prof. Dr. 3350 Kreiensen De Kubein-Meesenburg
CH686400A5 (de) * 1992-01-14 1996-03-29 Sulzer Medizinaltechnik Ag Meniskusplattform zu einem kuenstlichen Kniegelenk.
CH686611A5 (de) * 1992-01-14 1996-05-15 Sulzer Medizinaltechnik Ag Kunstliches Kniegelenk.
CH686401A5 (de) * 1992-01-14 1996-03-29 Wehrli Ueli Dr Meniskusplattform zu einem kuenstlichen Kniegelenk.
NZ243181A (en) * 1992-04-23 1994-10-26 Michael John Pappas Prosthetic joint with guide means to limit articulation of a first element and bearing means to two degrees of freedom
US5271737A (en) * 1992-09-04 1993-12-21 U.S. Medical Products, Inc. Tibial prosthetic implant with offset stem
DE9212879U1 (de) * 1992-09-24 1994-01-27 Waldemar Link GmbH & Co, 22339 Hamburg Kniegelenkendoprothese zum Ersatz der Schienbein-Gelenkflächen
US5344460A (en) * 1992-10-30 1994-09-06 Encore Orthopedics, Inc. Prosthesis system
US5314481A (en) * 1992-11-12 1994-05-24 Wright Medical Technology, Inc. Hinged knee prosthesis with extended patellar track
US5413604A (en) * 1992-12-24 1995-05-09 Osteonics Corp. Prosthetic knee implant for an anterior cruciate ligament deficient total knee replacement
US5358530A (en) * 1993-03-29 1994-10-25 Zimmer, Inc. Mobile bearing knee
GB9405746D0 (en) * 1994-03-23 1994-05-11 Howmedica Prosthetic patello femoral joint assembly
US5549689A (en) * 1994-11-28 1996-08-27 Epstein; Norman Prosthetic knee
US5871543A (en) * 1996-02-23 1999-02-16 Hofmann; Aaron A. Tibial prosthesis with mobile bearing member
FR2755004B1 (fr) * 1996-10-30 1999-01-15 Aesculap Icp Prothese de genou

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008253771A (ja) * 2007-03-30 2008-10-23 Depuy Products Inc 可動式支持アセンブリ
JP2019188192A (ja) * 2009-07-10 2019-10-31 メディカルトゥリー・パテント・リミテッド 装置によって人体のまたは哺乳類患者を治療する植込み型注油装置および方法

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CA2250635A1 (en) 1999-06-12
US5957979A (en) 1999-09-28
DE69835704D1 (de) 2006-10-05
EP1352621A3 (en) 2003-12-10
EP0925765A3 (en) 2000-02-23
EP1352621B1 (en) 2006-08-23
EP1352621A2 (en) 2003-10-15
EP0925765A2 (en) 1999-06-30
DE69818951T2 (de) 2004-05-19
DE69835704T2 (de) 2007-08-16
EP0925765B1 (en) 2003-10-15
CA2250635C (en) 2007-06-05
DE69818951D1 (de) 2003-11-20

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