JPH10201780A - 膝関節用の体内プロテーゼ - Google Patents

膝関節用の体内プロテーゼ

Info

Publication number
JPH10201780A
JPH10201780A JP10005914A JP591498A JPH10201780A JP H10201780 A JPH10201780 A JP H10201780A JP 10005914 A JP10005914 A JP 10005914A JP 591498 A JP591498 A JP 591498A JP H10201780 A JPH10201780 A JP H10201780A
Authority
JP
Japan
Prior art keywords
tibial
tibia
plate
knee joint
endoprosthesis
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
JP10005914A
Other languages
English (en)
Inventor
Dirk Baedorf
ベードルフ ディルク
Hans-Georg Pfaff
プファフ ハンス−ゲオルク
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.)
Ceramtec GmbH
Original Assignee
Ceramtec GmbH
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
Priority claimed from DE19708375A external-priority patent/DE19708375A1/de
Application filed by Ceramtec GmbH filed Critical Ceramtec GmbH
Publication of JPH10201780A publication Critical patent/JPH10201780A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A61F2/38—Joints for elbows or knees
    • A61F2/389—Tibial components
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30112—Rounded shapes, e.g. with rounded corners
    • A61F2002/30131—Rounded shapes, e.g. with rounded corners horseshoe- or crescent- or C-shaped or U-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
    • 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
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • 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
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
    • A61F2002/30387—Dovetail connection
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30507—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a threaded locking member, e.g. a locking screw or a set screw
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30514—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking washer
    • 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
    • A61F2/4637—Special tools for implanting artificial joints for connecting or disconnecting two parts of a prosthesis
    • A61F2002/4641—Special tools for implanting artificial joints for connecting or disconnecting two parts of a prosthesis for disconnecting
    • 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
    • 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
    • A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
    • 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
    • A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-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
    • 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
    • A61F2310/00179—Ceramics or ceramic-like structures

Landscapes

  • 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)
  • Materials For Medical Uses (AREA)

Abstract

(57)【要約】 【課題】 脛骨部分の、脛骨プレートにおける機械的に
安定した固定を形成し、場合によってはこの固定を、挿
入した関節においても後から解除し、ひいては脛骨部分
を交換できるようにする。 【解決手段】 膝関節用の体内プロテーゼであって、大
腿に固定された大腿部分と、脛骨に結合された脛骨プレ
ート２とを有していて、該脛骨プレート２には滑走板と
しての脛骨部分１が配置されている形式のものにおい
て、脛骨部分１が脛骨プレート２に解離可能に、クラン
プ結合、及び又はねじ締結、及び又は緊定されている。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、膝関節用の体内プ
ロテーゼ（prostheses）であって、大腿に固定された大
腿部分と、脛骨に結合された脛骨プレートとを有してい
て、該脛骨プレートには滑走板としての脛骨部分が配置
されており、有利には、前記大腿部分と脛骨部分との間
に配置された半月エレメントを有している形式のものに
関する。
【０００２】
【従来の技術】欧州特許第０４４２３３０号明細書によ
り、大腿部分と半月エレメントと脛骨部分とを備えた膝
関節用の体内プロテーゼが公知である。大腿部分及び脛
骨部分は支承面で、半月エレメントの、対応する支承面
に当接する。
【０００３】脛骨部分は脛骨プレートに堅く結合されて
いる。この場合、脛骨プレートは、脛骨の骨に固定され
ていて、この骨に結合されなければならない。大腿部分
と脛骨部分と半月エレメントは有利にはセラミック材料
から製造されている。
【０００４】
【発明が解決しようとする課題】本発明の課題は、脛骨
部分の、脛骨プレートにおける機械的に安定した固定を
形成し、場合によってはこの固定を、挿入した関節にお
いても後から解除し、ひいては脛骨部分を交換できるよ
うにすることにある。
【０００５】
【課題を解決するための手段】この課題を解決するため
に本発明の構成では、脛骨部分が脛骨プレートに解離可
能に、クランプ結合、及び又はねじ締結、及び又は緊定
されているようにした。
【０００６】
【発明の効果】これにより脛骨部分は脛骨プレートに堅
く固定されてはいるが、この固定は必要とあらば、挿入
された関節においても後から解除することができて、こ
れにより脛骨部分を簡単に交換することができる。
【０００７】有利な構成では、脛骨プレートに緊定部材
が、位置固定ねじを介して固定されていて、この緊定部
材が脛骨部分をクランプ及び又は緊定している。位置固
定ねじの解除により、緊定部材は取り外され、脛骨部分
が取り出される。
【０００８】有利には緊定部材は、脛骨部分の間に配置
されて、両脛骨部分を同時に脛骨プレートに固定する。
【０００９】有利には、脛骨部分の、緊定部材に面した
側面と、緊定部材の隣接する側面とが、互いに適合する
斜め面取部を有しており、この場合、緊定部材の斜め面
取部が、脛骨部分の斜め面取部に載置される。これによ
り、クランプ若しくはアンカ留めによる堅固な固定が得
られる。
【００１０】有利な構成では、脛骨部分が脛骨プレート
の湾入部に挿入されている。このことにより固定が簡単
にされる。何故ならば、脛骨部分が湾入部の縁部によっ
て水平に位置固定されるからである。
【００１１】有利には、湾入部の側面のうちの少なくと
も１つに切り込み部が設けられている。この切り込み部
は、脛骨部分に載置される。この脛骨部分はこのため
に、この切り込み部に適合する傾斜面を有しており、こ
の傾斜面が切り込み部内に達する。
【００１２】有利な構成では、脛骨部分がセラミック材
料、例えば酸化アルミニウムから成っていて、脛骨プレ
ートが例えばチタン合金から成っている。
【００１３】
【発明の実施の形態】次に図面につき本発明の実施の形
態を詳しく説明する。
【００１４】図１は、載着された脛骨プレート２と、挿
入された脛骨部分１とを備えた脛骨５の断面図を示して
いる。膝関節用の体内プロテーゼのその他の部分、即ち
大腿部分と半月エレメントとは図示していない。
【００１５】脛骨プレート２はプレート状に形成されて
いて、大腿部分に面した側に湾入部７を有している。こ
の湾入部７には、セラミック材料から成る２つの脛骨部
分１が装着されている。これらの脛骨部分１は湾入部７
の側面に接していて、真ん中に配置された緊定部材３を
介して固定されている。この緊定部材３は、位置固定ね
じ４を介して脛骨プレート２に固定されている。この緊
定部材３は、同時に２つの脛骨部分１をクランプ及び／
又は緊定する。
【００１６】より良好に固定するために、脛骨部分１と
緊定部材３との互いに当接する側面に、互いに適合する
斜め面取部６が設けられている。この場合、緊定部材３
の斜め面取部が、脛骨部分１の斜め面取部に載置され
る。
【００１７】付加的な固定のために、湾入部７の少なく
とも１つの側面に切り込み部８が設けられている。この
切り込み部８には、脛骨部分１の隣接する側面が突入
し、切り込み部８の側面が脛骨部分１の斜面に載置され
るようになる。この切り込み部８は有利には、脛骨プレ
ート２のすべての側面に配置されている。
【００１８】脛骨部分１はセラミック材料から成ってい
て、緊定部材３は、脛骨プレート２と同様にチタン合金
から成っている。
【００１９】位置固定ねじ４を解除し、緊定部材３を取
り外すことにより、１つの脛骨部分１若しくは２つの脛
骨部分１は簡単に脛骨プレート２から内側の方向に取り
出される。
【００２０】図２は、図１に従って、挿入された脛骨部
分１を備えた脛骨プレート２を大腿側から示した平面図
である。緊定部材３が脛骨部分１の斜め面取部６（図１
参照）に載置されていて、脛骨部分１を固定しているこ
とが図示されている。
【００２１】脛骨部分１は脛骨プレート２に直接ねじ締
結されていてもよい。このためには、ねじをねじ込むこ
とのできる孔が脛骨部分１に必要である。この固定は、
考えられるあらゆる形式で行うことができるが、ただし
解離可能に行われなければならない。
【図面の簡単な説明】
【図１】脛骨プレートと脛骨部分とを有した脛骨を示す
断面図である。
【図２】脛骨部分が装着された脛骨プレートを示す平面
図である。
【符号の説明】
１ 脛骨部分、 ２ 脛骨プレート、 ３ 緊定部材、
４ 位置固定ねじ、５ 骨、 ６ 斜め面取部、 ７
湾入部、 ８ 切り込み部

Claims (7)

    【特許請求の範囲】
  1. 【請求項１】 膝関節用の体内プロテーゼであって、大
    腿に固定された大腿部分と、脛骨に結合された脛骨プレ
    ート（２）とを有していて、該脛骨プレート（２）には
    滑走板としての脛骨部分（１）が配置されている形式の
    ものにおいて、 脛骨部分（１）が脛骨プレート（２）に解離可能に、ク
    ランプ結合、及び又はねじ締結、及び又は緊定されてい
    ることを特徴とする、膝関節用の体内プロテーゼ。
  2. 【請求項２】 脛骨プレート（２）に緊定部材（３）が
    位置固定ねじ（４）を介して固定されていて、前記緊定
    部材（３）が脛骨部分（１）をクランプ及び又は緊定す
    る、請求項１記載の膝関節用の体内プロテーゼ。
  3. 【請求項３】 緊定部材（３）が脛骨部分（１）の間に
    配置されていて、両脛骨部分（１）を同時に脛骨プレー
    ト（２）に固定する、請求項２記載の膝関節用の体内プ
    ロテーゼ。
  4. 【請求項４】 脛骨部分（１）の、緊定部材（３）に面
    した側面と、緊定部材（３）の隣接する側面とが、互い
    に適合する斜め面取部を有していて、緊定部材（３）の
    斜め面取部が、脛骨部分（１）の斜め面取部に載置され
    ている、請求項２又は３記載の膝関節用の体内プロテー
    ゼ。
  5. 【請求項５】 脛骨部分（１）が、脛骨プレート（２）
    の湾入部（７）に挿入されている、請求項１から４まで
    のいずれか１項記載の膝関節用の体内プロテーゼ。
  6. 【請求項６】 湾入部（７）の側面の少なくとも１つに
    切り込み部（８）が設けられていて、該切り込み部
    （８）が脛骨部分（１）に載置される、請求項５記載の
    膝関節用の体内プロテーゼ。
  7. 【請求項７】 脛骨部分（１）がセラミック材料から成
    っている、請求項１から６までのいずれか１項記載の膝
    関節用の体内プロテーゼ。
JP10005914A 1997-01-17 1998-01-14 膝関節用の体内プロテーゼ Pending JPH10201780A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19701622 1997-01-17
DE19701622.7 1997-01-17
DE19708375A DE19708375A1 (de) 1997-01-17 1997-03-01 Fixation eines Tibiateils auf einem Tibiaplateau einer Kniegelenkendoprothese
DE19708375.7 1997-03-01

Publications (1)

Publication Number Publication Date
JPH10201780A true JPH10201780A (ja) 1998-08-04

Family

ID=26033200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10005914A Pending JPH10201780A (ja) 1997-01-17 1998-01-14 膝関節用の体内プロテーゼ

Country Status (4)

Country Link
US (1) US5968099A (ja)
EP (1) EP0855172B1 (ja)
JP (1) JPH10201780A (ja)
CA (1) CA2226240A1 (ja)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9603711B2 (en) 2001-05-25 2017-03-28 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US9020788B2 (en) 1997-01-08 2015-04-28 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US8556983B2 (en) 2001-05-25 2013-10-15 Conformis, Inc. Patient-adapted and improved orthopedic implants, designs and related tools
US8735773B2 (en) 2007-02-14 2014-05-27 Conformis, Inc. Implant device and method for manufacture
US8545569B2 (en) 2001-05-25 2013-10-01 Conformis, Inc. Patient selectable knee arthroplasty devices
US8480754B2 (en) 2001-05-25 2013-07-09 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US8771365B2 (en) 2009-02-25 2014-07-08 Conformis, Inc. Patient-adapted and improved orthopedic implants, designs, and related tools
US8882847B2 (en) 2001-05-25 2014-11-11 Conformis, Inc. Patient selectable knee joint arthroplasty devices
JP2002532126A (ja) 1998-09-14 2002-10-02 スタンフォード ユニバーシティ 関節状態の評価及び損傷防止装置
US20020169507A1 (en) 2000-12-14 2002-11-14 David Malone Interbody spine fusion cage
EP1389980B1 (en) 2001-05-25 2011-04-06 Conformis, Inc. Methods and compositions for articular resurfacing
JP2006501977A (ja) 2002-10-07 2006-01-19 コンフォーミス・インコーポレイテッド 関節表面に適合する３次元外形を伴う最小限侵襲性関節インプラント
AU2003290757A1 (en) 2002-11-07 2004-06-03 Conformis, Inc. Methods for determing meniscal size and shape and for devising treatment
US7909851B2 (en) 2006-02-03 2011-03-22 Biomet Sports Medicine, Llc Soft tissue repair device and associated methods
US8088130B2 (en) 2006-02-03 2012-01-03 Biomet Sports Medicine, Llc Method and apparatus for coupling soft tissue to a bone
US8128658B2 (en) 2004-11-05 2012-03-06 Biomet Sports Medicine, Llc Method and apparatus for coupling soft tissue to bone
US8361113B2 (en) 2006-02-03 2013-01-29 Biomet Sports Medicine, Llc Method and apparatus for coupling soft tissue to a bone
US8303604B2 (en) 2004-11-05 2012-11-06 Biomet Sports Medicine, Llc Soft tissue repair device and method
US7749250B2 (en) 2006-02-03 2010-07-06 Biomet Sports Medicine, Llc Soft tissue repair assembly and associated method
US9017381B2 (en) 2007-04-10 2015-04-28 Biomet Sports Medicine, Llc Adjustable knotless loops
US7658751B2 (en) 2006-09-29 2010-02-09 Biomet Sports Medicine, Llc Method for implanting soft tissue
US8137382B2 (en) 2004-11-05 2012-03-20 Biomet Sports Medicine, Llc Method and apparatus for coupling anatomical features
US7905904B2 (en) 2006-02-03 2011-03-15 Biomet Sports Medicine, Llc Soft tissue repair device and associated methods
US8118836B2 (en) 2004-11-05 2012-02-21 Biomet Sports Medicine, Llc Method and apparatus for coupling soft tissue to a bone
US8298262B2 (en) 2006-02-03 2012-10-30 Biomet Sports Medicine, Llc Method for tissue fixation
US8562647B2 (en) 2006-09-29 2013-10-22 Biomet Sports Medicine, Llc Method and apparatus for securing soft tissue to bone
US11259792B2 (en) 2006-02-03 2022-03-01 Biomet Sports Medicine, Llc Method and apparatus for coupling anatomical features
US8936621B2 (en) 2006-02-03 2015-01-20 Biomet Sports Medicine, Llc Method and apparatus for forming a self-locking adjustable loop
US8968364B2 (en) 2006-02-03 2015-03-03 Biomet Sports Medicine, Llc Method and apparatus for fixation of an ACL graft
US8652171B2 (en) 2006-02-03 2014-02-18 Biomet Sports Medicine, Llc Method and apparatus for soft tissue fixation
US8562645B2 (en) 2006-09-29 2013-10-22 Biomet Sports Medicine, Llc Method and apparatus for forming a self-locking adjustable loop
US10517587B2 (en) 2006-02-03 2019-12-31 Biomet Sports Medicine, Llc Method and apparatus for forming a self-locking adjustable loop
US9078644B2 (en) 2006-09-29 2015-07-14 Biomet Sports Medicine, Llc Fracture fixation device
US8597327B2 (en) 2006-02-03 2013-12-03 Biomet Manufacturing, Llc Method and apparatus for sternal closure
US8801783B2 (en) 2006-09-29 2014-08-12 Biomet Sports Medicine, Llc Prosthetic ligament system for knee joint
US11311287B2 (en) 2006-02-03 2022-04-26 Biomet Sports Medicine, Llc Method for tissue fixation
US11259794B2 (en) 2006-09-29 2022-03-01 Biomet Sports Medicine, Llc Method for implanting soft tissue
US8672969B2 (en) 2006-09-29 2014-03-18 Biomet Sports Medicine, Llc Fracture fixation device
US20080154374A1 (en) * 2006-12-20 2008-06-26 Robert David Labrom Joint implant and a surgical method associated therewith
US12502169B2 (en) 2007-01-16 2025-12-23 Biomet Sports Medicine, Llc Soft tissue repair device and associated methods
WO2008101090A2 (en) 2007-02-14 2008-08-21 Conformis, Inc. Implant device and method for manufacture
US8682052B2 (en) 2008-03-05 2014-03-25 Conformis, Inc. Implants for altering wear patterns of articular surfaces
JP2011519713A (ja) 2008-05-12 2011-07-14 コンフォーミス・インコーポレイテッド 面関節および他の関節の治療のためのデバイスならびに方法
US12245759B2 (en) 2008-08-22 2025-03-11 Biomet Sports Medicine, Llc Method and apparatus for coupling soft tissue to bone
US12419632B2 (en) 2008-08-22 2025-09-23 Biomet Sports Medicine, Llc Method and apparatus for coupling anatomical features
WO2010099231A2 (en) 2009-02-24 2010-09-02 Conformis, Inc. Automated systems for manufacturing patient-specific orthopedic implants and instrumentation
US20100305710A1 (en) * 2009-05-28 2010-12-02 Biomet Manufacturing Corp. Knee Prosthesis
US8894715B2 (en) 2009-05-28 2014-11-25 Biomet Manufacturing, Llc Knee prosthesis
US12096928B2 (en) 2009-05-29 2024-09-24 Biomet Sports Medicine, Llc Method and apparatus for coupling soft tissue to a bone
US12551209B2 (en) 2009-06-22 2026-02-17 Biomet Sports Medicine, Llc Method and apparatus for coupling soft tissue to a bone
WO2011072235A2 (en) 2009-12-11 2011-06-16 Conformis, Inc. Patient-specific and patient-engineered orthopedic implants
EP2512381B1 (en) * 2009-12-18 2017-10-25 ConforMIS, Inc. Patient-adapted and improved orthopedic implants, designs and related tools
US8628580B2 (en) 2010-07-24 2014-01-14 Zimmer, Inc. Tibial prosthesis
EP3332748B1 (en) 2010-07-24 2019-08-14 Zimmer, Inc. Asymmetric tibial components for a knee prosthesis
WO2012034033A1 (en) 2010-09-10 2012-03-15 Zimmer, Inc. Motion facilitating tibial components for a knee prosthesis
US8603101B2 (en) 2010-12-17 2013-12-10 Zimmer, Inc. Provisional tibial prosthesis system
US12329373B2 (en) 2011-05-02 2025-06-17 Biomet Sports Medicine, Llc Method and apparatus for soft tissue fixation
US12582395B2 (en) 2011-11-03 2026-03-24 Biomet Sports Medicine, Llc Method and apparatus for forming a self-locking adjustable loop
US9357991B2 (en) 2011-11-03 2016-06-07 Biomet Sports Medicine, Llc Method and apparatus for stitching tendons
US9381013B2 (en) 2011-11-10 2016-07-05 Biomet Sports Medicine, Llc Method for coupling soft tissue to a bone
US9314241B2 (en) 2011-11-10 2016-04-19 Biomet Sports Medicine, Llc Apparatus for coupling soft tissue to a bone
US8690954B2 (en) 2011-11-18 2014-04-08 Zimmer, Inc. Tibial bearing component for a knee prosthesis with improved articular characteristics
EP3037068B1 (en) 2011-11-21 2020-07-29 Zimmer, Inc. Tibial baseplate with asymmetric placement of fixation structures
AU2012368262B2 (en) 2012-01-30 2017-06-29 Zimmer, Inc. Asymmetric tibial components for a knee prosthesis
US9918827B2 (en) 2013-03-14 2018-03-20 Biomet Sports Medicine, Llc Scaffold for spring ligament repair
US9925052B2 (en) 2013-08-30 2018-03-27 Zimmer, Inc. Method for optimizing implant designs
US10278827B2 (en) 2015-09-21 2019-05-07 Zimmer, Inc. Prosthesis system including tibial bearing component
ES2878003T3 (es) 2017-03-10 2021-11-18 Zimmer Inc Prótesis tibial con característica de afianzamiento para un componente de apoyo tibial
EP4487819B1 (en) 2017-05-12 2026-03-25 Zimmer, Inc. Femoral prostheses with upsizing and downsizing capabilities
US11426282B2 (en) 2017-11-16 2022-08-30 Zimmer, Inc. Implants for adding joint inclination to a knee arthroplasty
US10835380B2 (en) 2018-04-30 2020-11-17 Zimmer, Inc. Posterior stabilized prosthesis system
USD961079S1 (en) * 2020-10-27 2022-08-16 Depuy Ireland Unlimited Company Tibial protection plate

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1509194A (en) * 1974-04-22 1978-05-04 Nat Res Dev Endoprosthetic devices
DE3730175C1 (de) * 1987-09-09 1988-09-15 S & G Implants Gmbh Tibiateil einer Kniegelenk-Endoprothese
US4944757A (en) * 1988-11-07 1990-07-31 Martinez David M Modulator knee prosthesis system
DE4009360A1 (de) 1990-02-16 1991-08-22 Friedrichsfeld Gmbh Kniegelenk-endoprothese
US5358531A (en) * 1990-06-12 1994-10-25 British Technology Group Limited Prosthetic knee joint devices
US5358527A (en) * 1991-03-22 1994-10-25 Forte Mark R Total knee prosthesis with resurfacing and posterior stabilization capability
US5470354A (en) * 1991-11-12 1995-11-28 Biomet Inc. Force sensing apparatus and method for orthopaedic joint reconstruction
SE9201671D0 (sv) * 1992-05-27 1992-05-27 Astra Ab Knee joint prosthesis iii f
EP0672397B1 (de) * 1994-03-15 2000-06-07 Sulzer Orthopädie AG Tibiaplateau für eine künstliches Kniegelenk
US5514183A (en) * 1994-12-20 1996-05-07 Epstein; Norman Reduced friction prosthetic knee joint utilizing replaceable roller bearings

Also Published As

Publication number Publication date
EP0855172A3 (de) 1998-12-30
EP0855172A2 (de) 1998-07-29
US5968099A (en) 1999-10-19
CA2226240A1 (en) 1998-07-17
EP0855172B1 (de) 2003-01-08

Similar Documents

Publication Publication Date Title
JPH10201780A (ja) 膝関節用の体内プロテーゼ
US5549685A (en) Augmentation for an orthopaedic implant
JP4537110B2 (ja) 後部の安定した人工膝のモジュラースタッド
AU2007227170C1 (en) Modular fracture fixation plate system
US8016891B2 (en) Tibial augment connector
RU2226372C2 (ru) Система коленного протеза
US6110207A (en) Implant for securing a tendon replacement member
JP3388741B2 (ja) 骨固定系
US6869447B2 (en) Prosthetic knee implant with modular augment
EP0853929B1 (en) Orthopedic prosthesis employing bone screws and cement
DE3775958D1 (en) Fixateur externe zur osteosynthese.
CA2171514A1 (en) Knee joint prosthesis
CA2198184A1 (en) A surgical fastener device for use in bone fracture fixation
KR970073536A (ko) 밴드 클램프를 구비한 척추 구조물
GB2068734A (en) Hip endoprosthesis
CA2226239A1 (en) Fixation of a ceramic structural member by way of gliding component in a femoral part
JPS6253646A (ja) 整骨用圧着板
KR20010015654A (ko) 두 개의 골편을 상호 연결시키기 위한 삽입물
CA2225704A1 (en) Modular joint prosthesis augmentation system
KR20020076270A (ko) 뼈 플레이트
JP2003310631A (ja) 楔開き骨切り術用および閉じあわせ楔状骨切り術用の安定化支持体
ATE393612T1 (de) Kniegelenkprothese
ES2188645T3 (es) Elemento protesico tibial para protesis de la rodilla.
FR2702651A1 (fr) Prothèse du genou.
DE59800113D1 (de) Klemmanordnungen für orthopädischen Fixateur und Verwendungen derselben