JP2000501965A - 股関節プロテーゼ - Google Patents
股関節プロテーゼInfo
- Publication number
- JP2000501965A JP2000501965A JP9522468A JP52246897A JP2000501965A JP 2000501965 A JP2000501965 A JP 2000501965A JP 9522468 A JP9522468 A JP 9522468A JP 52246897 A JP52246897 A JP 52246897A JP 2000501965 A JP2000501965 A JP 2000501965A
- Authority
- JP
- Japan
- Prior art keywords
- insert
- prosthesis
- glenoid
- hip
- glenoid insert
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/10—Ceramics or glasses
- A61L27/105—Ceramics or glasses containing Al2O3
-
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- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- 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
- 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
- A61F2002/30113—Rounded shapes, e.g. with rounded corners circular
-
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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
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30138—Convex polygonal shapes
- A61F2002/30153—Convex polygonal shapes rectangular
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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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- A61F2002/30329—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
- A61F2002/30354—Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
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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
- A61F2002/30316—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
- A61F2002/30362—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 with possibility of relative movement between the protrusion and the recess
- A61F2002/30364—Rotation about the common longitudinal axis
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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
- A61F2002/30316—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
- A61F2002/30378—Spherically-shaped protrusion and recess
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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
- A61F2002/30316—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
- A61F2002/30405—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves
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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
- A61F2002/30316—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
- A61F2002/30448—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using adhesives
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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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- 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
- A61F2002/30451—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements soldered or brazed or welded
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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
- A61F2002/30316—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
- A61F2002/30492—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking pin
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
- A61F2002/3054—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation about a connection axis or implantation axis for selecting any one of a plurality of radial orientations between two modular parts, e.g. Morse taper connections, at discrete positions, angular positions or continuous positions
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- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3445—Acetabular cups having a number of shells different from two
- A61F2002/3448—Multiple cups made of three or more concentric shells fitted or nested into one another
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3453—Acetabular cups having a non-hemispherical convex outer surface, e.g. quadric-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
- 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
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- 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
- A61F2220/005—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using adhesives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F2220/0058—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements soldered or brazed or welded
-
- 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
- A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
-
- 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
- A61F2230/0017—Angular shapes
- A61F2230/0019—Angular shapes rectangular
-
- 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
-
- 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
-
- 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
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00203—Ceramics or ceramic-like structures based on metal oxides containing alumina or aluminium oxide
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Ceramic Engineering (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Inorganic Chemistry (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Prostheses (AREA)
Abstract
(57)【要約】
股関節プロテーゼは金属のプロテーゼシェル(1)および球形の凹部(3)を持つ関節窩インサート(2)、並びにプロテーゼシェル(1)と関節窩インサート(2)との間に配置されたプラスティック製の中間部材(4)を備える。骨溶解を防止するために、中間部材はとから製作され、これらは互いに結合することができ、かつ関節窩インサート(2)は上方部分(5)と下方部分(6)との間に固定される。
Description
【発明の詳細な説明】
股関節プロテーゼ
本発明は、請求項1の上位概念による股関節プロテーゼに関する。
仏国実用新案第2715828号から3つの内外に重なって位置する球形の帽
子状体を備える股関節プロテーゼが公知である。
球形の外側の帽子状体は、生体親和性の剛性材料、例えばINOX鋼またはチ
タンから製作されており、外面に骨盤骨の関節窩内で固定するために半径方向の
起伏を有している。
球形の内側の帽子状体は、硬質の生体親和性の材料、例えば酸化アルミニウム
セラミックまたは類似の物質から製作され、これに続く大腿部(Oberschenkelel
ement)の頭部が製作された物質に対して低い摩擦係数を持つ。
球形の中間の帽子状体は半剛性の物質、例えばプラスティック、特にポリエチ
レンから製作される。
プラスティック製の中間帽子状体または中間部材の問題は、これらが、滑りシ
ェルとプラスティックコーティングとの間に形状結合による結合が存在しない場
合には高い摩耗によって骨溶解を引き起こすことがあることである。他方で形状
結合による結合はプラステ
ィックコーテイングの溶解によって達成される(EP−0554214A1)。し
かしこれは分子構造の破壊を導き、ひいては摩耗を惹起する。
本発明の課題は、請求項1の上位概念による股関節プロテーゼを、骨溶解の危
険が十分に減少せしめられるように改善することである。
この課題は本発明によれば請求項1の特徴によって解決される。
中間部材が上方部分と下方部分とから成っており、上方部分と下方部分とが互
いに結合可能であり、かつ関節窩インサートが上方部分と下方部分との間に定着
されていることによって、中間部材の摩耗が回避され、これによって骨溶解の危
険が低減される。
有利な実施形において、関節窩インサートは球形の凹部を除いて全面的に中間
部材、すなわち上方部材と下方部材によって覆われ、そのために摩耗が起こり得
る露出箇所が存在しない。
上方部分と下方部分との結合は種々の方法で行うことができる。ねじ山を介し
てのねじ結合、スナップ結合、ピン固定、接着または溶着が有利であると示され
た。
関節窩インサートは金属またはセラミックから製作することができる。有利に
本発明はすべてのセラミック関節窩インサートに好適である。
有利には関節窩インサート内およびこれに隣接の下
方部分内に対向して位置する切欠が設けられ、この切欠内に回転防止のためにイ
ンサートが導入されている。これによって関節窩インサートは中間部材内の所定
位置に固定される。インサートは例えばピン、みぞ付きブロックもしくはパスキ
ー装置またはくさびであってよく、かつ例えば金属またはプラスティックから製
作されていてよい。より良好な固定のためにインサートは切欠を有利に完全に埋
める。
本発明の有利な特徴が図面から得られる。図面に基づいて以下で説明される。
図1は、金属のプロテーゼシェル1の断面図を示し、プロテーゼシェルは図示
されない骨盤骨の関節窩内へ移植可能である。より良好な保持のためにプロテー
ゼシェル1の外面にはリブまたはねじ山が配置されている。プロテーゼシェル1
内にはプラスティック製の中間部材4が挿入され、中間部材自体はセラミックの
関節窩インサート2を包囲している。
中間部材4はプロテーゼシェル1の形状に適合する外郭を持ち、かつ上方部分
5と下方部分6とから成る。
下方部分6は大腿骨へ向いており、かつ関節窩インサート2を受容するための
凹所11を有する。関節窩インサート2は球形の凹部3を除いて完全に中間部材
4によって包囲されている。特に上方部分6は凹部3に隣接する支持面12も覆
っていることが強調される
べきである。上方部分5は関節窩インサート2を背後で覆い、かつ下方部分6と
種々の形式および方法で結合される。球形の凹部3は大腿部の頭部を受容するた
めに使用される。
図1は、患者が異常形成を持つ場合、すなわち関節窩インサート2がプロテー
ゼシェル1内へ非対称的に組み込まれなくてはならない場合の実施形である。図
2はプロテーゼシェル1内への関節窩インサート2の対称的な組み込みを示す。
図3〜図5は上方部分5と下方部分6との種々の結合を示す。この結合は図1
および図2にXで示されている。図3では上方部分5はねじ山7を介して下方部
分6と結合もしくはねじ結合されている。図4はスナップ結合8を示す。そのた
めには上方部分5および下方部分6に小さな個別の突起が配置され、これらは、
上方部分5を下方部分6内へ嵌込む際に互いに係合し、こうして良好な結合を形
成する。図5はピン結合9を示す。下方部分6および上方部分5内に孔13が形
成され、この孔内へ一貫したピン14が導入される。
関節窩インサート2はセラミック、例えば酸化アルミニウムセラミックから製
作される。しかし他のセラミックも使用可能である。
図6および図7は図1および図2のものに類似した実施形を示すが、付加的に
関節窩インサート2および隣接の下方部分6内に対向して位置する切欠15が設
けられており、切欠内には回転防止のためにインサート16が挿入されている。
これらのインサート16は金属またはプラスティックから成り、切欠15を完全
に満たす。
図8は図7のA−A線に沿った断面図、かつ図9は同B−B線に沿った断面図
である。図8にはピン17が、かつ図9には横断面方形のみぞ付きブロック15
が導入されている。
このインサート16でもって、中間部材4内において関節窩インサート2の回
転防止が達成される。
─────────────────────────────────────────────────────
フロントページの続き
(31)優先権主張番号 19622583.3
(32)優先日 平成8年6月5日(1996.6.5)
(33)優先権主張国 ドイツ(DE)
(81)指定国 EP(AT,BE,CH,DE,
DK,ES,FI,FR,GB,GR,IE,IT,L
U,MC,NL,PT,SE),BR,CA,IL,J
P,KR,MX,US
Claims (1)
- 【特許請求の範囲】 1.金属のプロテーゼシェル(1)を備える股関節プロテーゼであって、プロテ ーゼシェルが球形の凹部(3)を持つ関節窩インサート(2)と、プロテーゼシ ェル(1)と関節窩インサート(2)との間に配置されたプラスティック製の中 間部材(4)とを備えた形式のものにおいて、 中間部材(4)が上方部分(5)と下方部分(6)とから成り、上方部分(5) と下方部分(6)とは互いに結合可能であり、かつ関節窩インサート(2)が上 方部分(5)と下方部分(6)との間で固定されていることを特徴とする、股関 節プロテーゼ。 2.関節窩インサート(2)が球形の凹部(3)を除いて全面的に中間部材(4 )によって包囲されている、請求項1記載の股関節プロテーゼ。 3.上方部分(5)と下方部分(6)との結合がねじ山(7)、スナップ結合( 8)、ピン結合(9)、接着または溶着によって行われる、請求項1または2記 載の股関節プロテーゼ。 4.関節窩インサート(2)がセラミック製である、請求項1から3までのいず れか1項記載の股関節プロテーゼ。 5.関節窩インサート(2)および隣接の下方部分(6)内に対向して位置する 切欠(15)が設けられ ており、切欠内に回転防止のためにインサート(16)が導入されている、請求 項1から4までのいずれか1項記載の股関節プロテーゼ。 6.インサート(16)がピン(17)、みぞ付きブロック(18)またはくさ びである、請求項5記載の股関節プロテーゼ。 7.インサート(16)が切欠(15)を完全に埋める、請求項5または6記載 の股関節プロテーゼ。 8.インサート(16)が金属またはプラスティックから製作されている、請求 項5から7までのいずれか1項記載の股関節プロテーゼ。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19547514 | 1995-12-19 | ||
DE19547814 | 1995-12-20 | ||
DE19622583A DE19622583A1 (de) | 1995-12-19 | 1996-06-05 | Hüftgelenkprothese |
DE19547514.3 | 1996-06-05 | ||
DE19547814.2 | 1996-06-05 | ||
DE19622583.3 | 1996-06-05 | ||
PCT/EP1996/005455 WO1997022311A1 (de) | 1995-12-19 | 1996-12-06 | Hüftgelenkprothese |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000501965A true JP2000501965A (ja) | 2000-02-22 |
Family
ID=27215757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9522468A Pending JP2000501965A (ja) | 1995-12-19 | 1996-12-06 | 股関節プロテーゼ |
Country Status (6)
Country | Link |
---|---|
US (1) | US6224633B1 (ja) |
EP (1) | EP0871418A1 (ja) |
JP (1) | JP2000501965A (ja) |
CA (1) | CA2239801A1 (ja) |
TW (1) | TW386873B (ja) |
WO (1) | WO1997022311A1 (ja) |
Cited By (1)
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KR101388594B1 (ko) | 2006-08-04 | 2014-04-23 | 세람테크 게엠베하 | 특성 주파수의 조정 및 억제를 위한 보철 부품의 비대칭 형성 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100358191B1 (ko) * | 2000-02-16 | 2002-10-25 | 한국과학기술원 | 시멘트 사용 인공관절 스템용 자켓 및 이것을 구비한 인공관절 |
EP1454604B1 (en) | 2001-05-22 | 2011-12-07 | Uni-Charm Corporation | Interlabial pad |
WO2002094150A1 (fr) | 2001-05-22 | 2002-11-28 | Uni-Charm Corporation | Serviette interlabiale et element d'emballage |
EP1407741A4 (en) | 2001-05-22 | 2004-11-17 | Uni Charm Corp | INTERLABIAL PAD |
DE60239611D1 (de) | 2001-05-22 | 2011-05-12 | Uni Charm Corp | Interlabial-polster und verpackung dafür |
US7044974B2 (en) * | 2003-08-27 | 2006-05-16 | Zimmer Technology, Inc. | Hip prosthesis with a modular acetabular cup assembly |
US7918896B2 (en) * | 2004-09-15 | 2011-04-05 | Wright Medical Technology, Inc. | Unitary acetabular cup prosthesis with extension for deficient acetabulum |
US9308674B1 (en) * | 2005-04-29 | 2016-04-12 | Signal Medical Corporation | Implant body with ring |
US8562616B2 (en) | 2007-10-10 | 2013-10-22 | Biomet Manufacturing, Llc | 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 |
US8328873B2 (en) | 2007-01-10 | 2012-12-11 | Biomet Manufacturing Corp. | Knee joint prosthesis system and method for implantation |
US8163028B2 (en) | 2007-01-10 | 2012-04-24 | 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 |
US8123815B2 (en) | 2008-11-24 | 2012-02-28 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
US8308810B2 (en) | 2009-07-14 | 2012-11-13 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
US9023112B2 (en) | 2011-02-24 | 2015-05-05 | Depuy (Ireland) | Maintaining proper mechanics THA |
EP2502604B1 (de) * | 2011-03-21 | 2013-09-25 | Jossi Holding AG | Gelenkpfannenimplantat |
US9668745B2 (en) | 2011-12-19 | 2017-06-06 | Depuy Ireland Unlimited Company | Anatomical concentric spheres THA |
US8858645B2 (en) | 2012-06-21 | 2014-10-14 | DePuy Synthes Products, LLC | Constrained mobile bearing hip assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818512A (en) * | 1973-05-08 | 1974-06-25 | Y Shersher | Artificial hip-joint with detachable insert |
CH568753A5 (ja) * | 1973-08-31 | 1975-11-14 | Oscobal Ag | |
CH672985A5 (ja) * | 1987-11-11 | 1990-01-31 | Sulzer Ag | |
US5092897A (en) * | 1990-03-15 | 1992-03-03 | Forte Mark R | Implantable acetabular prosthetic hip joint with universal adjustability |
EP0640325B1 (de) * | 1993-08-30 | 1998-07-15 | Sulzer Orthopädie AG | Mehrteilige künstliche Gelenkpfanne und Hüftgelenkprothese mit einer derartigen Gelenkpfanne |
US5549700A (en) * | 1993-09-07 | 1996-08-27 | Ortho Development Corporation | Segmented prosthetic articulation |
DE4337936A1 (de) * | 1993-11-06 | 1995-05-11 | Cerasiv Gmbh | Sphärische Hüftgelenkpfanne |
DE4402675A1 (de) * | 1993-11-26 | 1995-06-01 | Cerasiv Gmbh | Konische Hüftgelenkpfanne ohne Selbsthemmung |
-
1996
- 1996-11-29 TW TW085114745A patent/TW386873B/zh not_active IP Right Cessation
- 1996-12-06 JP JP9522468A patent/JP2000501965A/ja active Pending
- 1996-12-06 US US09/091,620 patent/US6224633B1/en not_active Expired - Fee Related
- 1996-12-06 EP EP96942366A patent/EP0871418A1/de not_active Withdrawn
- 1996-12-06 CA CA002239801A patent/CA2239801A1/en not_active Abandoned
- 1996-12-06 WO PCT/EP1996/005455 patent/WO1997022311A1/de not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101388594B1 (ko) | 2006-08-04 | 2014-04-23 | 세람테크 게엠베하 | 특성 주파수의 조정 및 억제를 위한 보철 부품의 비대칭 형성 |
Also Published As
Publication number | Publication date |
---|---|
CA2239801A1 (en) | 1997-06-26 |
WO1997022311A1 (de) | 1997-06-26 |
TW386873B (en) | 2000-04-11 |
US6224633B1 (en) | 2001-05-01 |
EP0871418A1 (de) | 1998-10-21 |
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