JP3521911B2 - 窩ベアリング付き寛骨臼義肢 - Google Patents
窩ベアリング付き寛骨臼義肢Info
- Publication number
- JP3521911B2 JP3521911B2 JP51512493A JP51512493A JP3521911B2 JP 3521911 B2 JP3521911 B2 JP 3521911B2 JP 51512493 A JP51512493 A JP 51512493A JP 51512493 A JP51512493 A JP 51512493A JP 3521911 B2 JP3521911 B2 JP 3521911B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- slot
- prosthesis
- fossa
- threaded
- 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.)
- Expired - Lifetime
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
- A61F2/30721—Accessories
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
-
- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- 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
- A61B17/86—Pins or screws or threaded wires; nuts therefor
-
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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
- A61F2/0095—Packages or dispensers for prostheses or other implants
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4609—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of acetabular cups
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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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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- A61F2002/30316—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
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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
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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
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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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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- 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
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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
- A61F2002/30316—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
- A61F2002/30535—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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- 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
- A61F2002/3412—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface
- A61F2002/3414—Polar protrusion, e.g. for centering two concentric shells
-
- 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
- A61F2002/3443—Acetabular cups with an anti-luxation elevated rim portion, e.g. on the inner shell
-
- 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 or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
- A61F2002/4641—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor 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
- 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
- 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
-
- 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
- A61F2310/00239—Ceramics or ceramic-like structures based on metal oxides containing zirconia or zirconium oxide ZrO2
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Description
特に、寛骨臼杯状窩に金属窩ベアリングを取付けるため
の改良された機構に関する。
シバッシュの米国特許第3,820,167、3,943,576、4,077,
070及びノイルスの米国特許第3,848,272、Re28,895の各
号は、初期の構造体を示す。これらの技師は強制型で、
この型においてはベアリングが大腿骨球の過半分を包囲
した。ベアリングは、2片から成り、球の回りに配置し
てリベット又はねじ山で杯状窩に取付けた。義肢を本来
の場所で組立てるのが困難なために、外科医は大腿骨及
び寛骨臼構成部分の双方から成る、組立てた関節を用意
した。
の改造物を示し、そこでは金属ベアリングは、大腿骨球
の180゜又はそれ未満を囲むことができた。ベアリング
と杯状窩との取付けは再びねじ山で行われた。従って、
現場組立ては可能であったが、概してなおねじ山のため
に実際的ではなかった。
アリング改造物を示す。第1の構成(同特許9−10図)
では、ベアリングは、2片から成り、球の過半分を包囲
し、保持輪74で共に球の回りに保持される。組立てた関
節のこの構成のために、ベアリングは杯状窩内で回転
し、関節のためにより広範囲の運動を与えることができ
る。第2の構成においては、(同特許33−34図)ベアリ
ングは再び2つの部分から成り、この場合においては、
くさび136で杯状窩内の所定の場所に固定される。
物は、フレイ他の米国特許第4,969,910号に開示されて
いる。
アリングを有する改良された寛骨臼義肢を提供すること
である。特に、本発明の目的は、寛骨臼杯状窩に窩ベア
リングを取付けるための改良された機構を提供すること
で、同機構は、1)ベアリング及び杯状窩間の微細動作
を本質的に排除し、2)寛骨臼杯状窩を骨に取付けた後
杯状窩に関してベアリングの方向を容易に適応させるこ
とが可能で、3)強制及び非強制の両ベアリング形態で
使用可能で、4)杯状窩からベアリングを容易に除去す
ることを考慮している。
ングと、 b)窩ベアリングを受容する空洞を有する、骨に取付け
る杯状窩とから成り、空洞の表面が窩ベアリングの雄テ
ーパとしっかり係合する雌テーパを含む、寛骨臼義肢を
提供する。
に形成するねじ無し部分長スロット(細孔)と、杯状窩
内に形成するねじ付き全長スロットとを用いる、締付け
ねじによりベアリングを杯状窩内に据え付け、さらにテ
ーパ締付けを確保している。他の好ましい実施態様にお
いては、ベアリングが、杯状窩のねじ付き全長スロット
と一直線に並ぶ、ねじ無し全長スロットを含み、杯状窩
を患者の骨にさらにしっかり取付けるために、骨ねじを
受容できる開口を形成するようにしている。
るために唇状部を有することが望ましい。同様に、ベア
リングは、それぞれ非強制及び強制構造を与えるため
に、骨球の半分より小さいか又は半分より大きい部分の
いずれかを取り囲むことができる。後者の場合には、ベ
アリングは2片から成り、義肢の組立てを助けるための
心合せ手段を含むことが望ましい。
で、本発明の実施態様を例示し、記載内容と共に本発明
の原理を説明するのに役立つ。もちろん、図面及び記載
内容は共に説明のみを目的とし、本発明を制限するもの
でないことを理解すべきである。
で、本発明の実施態様を例示し、記載内容と共に本発明
の原理を説明するのに役立つ。もちろん、図面及び記載
内容は共に説明のみを目的とし、本発明を制限するもの
でないことを理解すべきである。
窩ベアリング挿入体、杯状窩、締付けねじ、骨ねじから
成る。
グ挿入体を杯状窩に据え付ける締付けねじの用法を示
す。
る器具を示す。
片式強制型窩ベアリング挿入体の用例を示す。
に固定する骨ねじの用法を示す。
応する部品は同一番号で示すが、図1には、本発明によ
り構成した寛骨臼杯状窩10及び窩ベアリング13の分解組
立図を示す。
空洞32を含む。球の転位を阻止するのを助けるために、
ベアリングは、唇状部17を含む。移植中唇状部は、ある
範囲の運動及び患者の骨格に最適な水準の安定度を与え
る方向に向ける。外科医には異なった角オフセットの唇
状部を有する一連のベアリングを用意し、義肢の機能と
患者の要求とが適切に合致するようにすることが望まし
い。ノイルスの米国特許第4,678,472号参照。
アリング13を受容するための内部空洞30を含む。外面12
には、当業界で知られている各種の構造物を用いること
ができる。特に望ましい構成は、通常譲渡されたノイル
ス及びデカルロの、『移植可能義肢用焼結被膜』と題す
る、1992年2月19日付け米国特許出願第07/838,577号に
開示されている。
成する精密な雄テーパ26と空洞30の内面に形成する精密
な雌テーパ28とによりかみ合う。これらの構成部品間の
しっかりしたはめあいを確保するために、テーパ角度
は、自動締りテーパの範囲内になるように選定する。例
えば、約6−17゜の範囲内の合計テーパ夾角(テーパの
両側)でこの結果が達成されるであろう。杯状窩からベ
アリングを除去することを考慮するために、テーパ角は
締りテーパ範囲の高端近くに選定するのが望ましい。実
際上約14゜の合計テーパ夾角で首尾よく機能することが
分かった。
を用いてベアリング13を杯状窩10内に取付ける。締付け
ねじは、ベアリング13の外面に形成するスロット22及び
杯状窩10の内面に形成するスロット20により作動する。
スロット20は、締付けねじ15のねじ山と係合するねじ山
21を有する。ねじなしのスロット22は、締付けねじ15が
接触する端面23を有する。締付けねじが固く締まるにつ
れて、端面23に対して押し付けることによりベアリング
13を杯状窩10内に押し入れ、それによりテーパ26及び28
を共に締付ける(図3参照)。
する、直径方向に相対する2つのねじなしスロット22を
含む。テーパが固定するのを避けるために、締付けねじ
15を交互に増進させて端面23に対して締付けることが望
ましい。若し所望なら、スロット22及び締付けねじ15を
追加して用いることができる。再び、ねじを締付ける場
合には交互に行うべきである。単一の締付けねじも同様
に用いられるが、概して望ましくない。
する多数組の形で設けるのが望ましく、このスロットに
対してベアリング13のねじなしスロット22の心合せを行
うことができる。このようにして、ベアリングを杯状窩
に対して容易に方向付けた後選定した配置で杯状窩に取
付けることができる。例えば、図1においては、ベアリ
ング13は、直径方向に相対する4組のねじ付きスロット
20を含む。従って、ベアリング13は、杯状窩10に対して
8つの配置を有する。もちろん、所望によりねじ付きス
ロットの組数を加減して杯状窩に対するベアリングの可
能な配置を加減することができる。
に、ベアリングがパイロットハブ34を含み、杯状窩が係
合開口36を含むことが望ましい(図3参照)。ハブ及び
開口は、テーパ26、28の係合に先立って係合させるのが
望ましく、こうして杯状窩内でベアリングが持ち上がる
のを防止する。同様に、ベアリングの機械加工中ハブ34
を便宜的に保持位置として用いることもできる。また同
様に、外科医により開口36を、観察ポートのみならず移
植器具のための座としても用いることができる。開口36
にねじ山を含めることにより、杯状窩の製造に加えて移
植をもさらに容易にすることができる。
は、ねじなしスロット22に隣接したノッチ38を含む。こ
をれらのノッチを用いてテーパ28からテーパ26を外し、
杯状窩内でベアリングをいずれかの方向に回転させるか
又は所望ならベアリングを完全に取り除くことができ
る。組み立てた義肢においては、ノッチ38が杯状窩10の
表面上方に設けてある(図3参照)、従って、解放器具
40(図4参照)の唇状部42を係合させることができる。
一旦係合すると、唇状部を用いてベアリングを杯状窩か
ら解放できる。
トを配置し、杯状窩10上に共働する部分長ねじなしスロ
ットを配置するような、その他の解放技術を用いてもよ
い。この組合わせにおいて締付けねじを回転させると、
ベアリングは杯状窩内へ入るよりはむしろ杯状窩から出
てくるであろう。この種類の機構は、テーパロック及び
締付けねじ機構を用いてシャフトに取付けた、滑車又は
歯車を外すのに用いられてきた。『ゲーツ・動力グリッ
プ・タイミングベルト・カタログ』1991、72,82頁参照 図5は、本発明の実施態様を示し、ベアリングは、半
分を成す2つの部分から構成され、従って、強制義肢を
形成するのに用いられる。すなわち、同義肢において
は、ベアリングが球の半分を越える部分を包囲する。こ
の実施態様に用いる構成は、ベアリング本体を2つの部
分に分割することを除き、本質的に図1−3のものと同
一である。各部の整合を確保するために、一方の半分に
キー46を形成し、他方の半分にかみ合いスロット48を形
成する。このキーとスロットとの取合わせは、杯状窩の
テーパ28に設ける半部分と組み立てた技師の球状空洞32
の連続性を確保する。図5に示す通り、ベアリング13
は、唇状部17を形成する傾斜表面50を有する。若し所望
なら、米国特許第4,678,472号の図33に示す種類のスカ
ラップ形縁を、本実施態様及び図1−3の実施態様の双
方に用いることができる。
じ山なし半長スロット22に加えて、ねじ山なし全長スロ
ット24を含む。スロット22が杯状窩10のスロット対20の
1つと一直線に並んでいれば、全長スロット24も同様に
スロット20と一直線に並ぶ。このようにして、スロット
20及び24の心合わせにより形成する、開口を通して骨ね
じ15を挿入することができる。
込ませて杯状窩10と係合させるために、スロット24は骨
ねじ頭部の直径より僅かに大きい直径を有する。骨ねじ
がスロット20を貫通しないようにするために、骨ねじ頭
部の直径は、スロット20のねじ山21の小さい方の直径よ
り大きく、また、ねじ山21の大きい方の直径と同一であ
ることが望ましい。このようにして、骨ねじ頭部は、ベ
アリングのスロット24内を滑り、杯状窩10の表面44に隣
接するねじ山21の端部で杯状窩と係合する(図6参
照)。この結果が得られるスロット及び骨ねじの典型的
な直径は、以下の通りである。スロット24・・0.26
2″、ねじ山21の小直径・・0.201″、ねじ頭部・・0.25
0″、骨ねじ本体の最大直径・・0.197″。若し所望な
ら、もちろん他の寸法を用いることができる。
適合性金属で構成することができる。ベアリングは、コ
バルト・クロム合金(ASTM−F75、ASTM−F799参照)
で、また、杯状窩は、純チタン又はTi 6Al 4Vのような
チタン合金(ASTM−F136参照)が望ましい。骨ねじ及び
締付けねじは、Ti 6Al 4V合金が望ましいが、他の材料
を用いることができる。
下で、微細水準(微細運動)の運動を含めて部品間に運
動が起こる場合には、摩損が起こり得る。金属窩ベアリ
ングを用いる寛骨臼義肢の達成にとって、安全な締付係
合が肝要なのはこの理由による。テーパの安全な据付け
を確保するための、締付ねじの使用と組合わせた前述の
締付テーパ機構は、部品間の運動に対する必要な安全性
を与え、これにより義肢の長期使用中の摩損の危険を克
服する。
を行えることは、本明細書の開示により業者にとって明
らかであろう。以下の請求の範囲は、この様な各種の改
変及び本明細書で述べた特定な実施態様を網羅すること
を意図している。
Claims (18)
- 【請求項1】移植可能な球窩関節を形成するのに用いる
義肢であって、 該球窩関節の球を受容するための空洞及び少なくとも一
部が雄テーパを含む外面を有する窩ベアリングと、 該窩ベアリングを受容するための空洞を有する、骨に固
定するための杯状窩であって、該空洞が少なくとも一部
が該窩ベアリングの該雄テーパと締付係合するための雌
テーパを含む表面を有する杯状窩と、 該雄テーパを該雌テーパ内に駆動する手段と、 該ベアリングの雄テーパと該杯状窩の雌テーパとの間の
締付係合を解放するための手段とから成り、 前記雄テーパ及び雌テーパが自動締りテーパ範囲内のテ
ーパ角度を有する義肢。 - 【請求項2】該雄及び雌締付テーパの合計テーパ夾角が
6度から17度の間である、請求項1の義肢。 - 【請求項3】該雄及び雌締付テーパの合計テーパ夾角が
14度である、請求項2の義肢。 - 【請求項4】該駆動する手段がねじを含む、請求項1の
義肢。 - 【請求項5】該ベアリングが開端及び閉端を有するねじ
なしスロットを含み、該杯状窩がねじ付きスロットを含
み、該ねじが、該ねじなしスロットを該ねじ付きスロッ
トと心合わせすることにより形成する開口に受容され
る、請求項4の義肢。 - 【請求項6】該杯状窩が第2ねじ付きスロットを含み、
該ベアリングが2つの開端を有するねじなしスロットを
含み、該ねじなしスロットが該杯状窩の第2ねじ付きス
ロットと共働して、骨ねじの本体は通すが骨ねじの頭部
を通さない開口を形成し得る、請求項5の義肢。 - 【請求項7】該第2ねじ付きスロットのねじ山により、
骨ねじの頭部が該開口を通過するのを阻止する、請求項
6の義肢。 - 【請求項8】該杯状窩が複数のねじ付きスロットを含
み、該ベアリングのねじなしスロットを該ねじ付きスロ
ットの任意の1つと心合わせし、ねじのための開口を形
成し得る、請求項5の義肢。 - 【請求項9】該ベアリングが2つの開端を有するねじな
しスロットを含み、該ねじなしスロットが該杯状窩のね
じ付きスロットと共働して、骨ねじの本体は通すが骨ね
じの頭部を通さない開口を形成し得る、請求項8の義
肢。 - 【請求項10】該ねじ付きスロットのねじ山により、骨
ねじの頭部が該開口を通過するのを阻止する、請求項9
の義肢。 - 【請求項11】該解放手段が該ベアリングの外面に形成
する溝を含む、請求項1の義肢。 - 【請求項12】該窩ベアリングが2片から成る、請求項
1の義肢。 - 【請求項13】該窩ベアリングの該2片を心合わせする
ための手段を含む、請求項12の義肢。 - 【請求項14】該心合わせ手段が、該片の一方に設ける
キー及び該片の他方に設けるスロットを含む、請求項13
の義肢。 - 【請求項15】移植可能な球窩関節を形成するのに用い
る義肢であって、 該球窩関節の球を受容するための空洞を有する窩ベアリ
ングであって、開端と閉端とを有する第1ねじなしスロ
ットと、2つの開端を有する第2ねじなしスロットとを
含む外面を有する窩ベアリングと、 該窩ベアリングを受容するための空洞を有する、骨に固
定するための杯状窩であって、該空洞が2つのねじ付き
スロットを含む表面を含み、該ベアリングの第1ねじな
しスロットを前記ねじ付きスロットの一方と心合わせす
ることにより締付ねじのための第1開口を形成し、該ベ
アリングの第2ねじなしスロットを前記ねじ付きスロッ
トの他方と心合わせすることにより、骨ねじのための第
2開口を形成する杯状窩とから成る義肢。 - 【請求項16】該第2開口は、骨ねじの本体を通すが骨
ねじの頭部を通さない、請求項15の義肢。 - 【請求項17】該他方のねじ付きスロットのねじ山によ
り、該骨ねじの頭部が該開口を通るのを阻止する、請求
項16の義肢。 - 【請求項18】移植可能な球窩関節を形成するのに用い
る義肢であって、 該球窩関節の球を受容するための空洞を有する窩ベアリ
ングであって、開端と閉端とを有する第1ねじなしスロ
ットと、2つの開端を有する第2ねじなしスロットとを
含む外面を有する窩ベアリングと、 該窩ベアリングを受容するための空洞を有する、骨に固
定するための杯状窩であって、該空洞が複数のねじ付き
スロットを含む表面を含み、該ベアリングの第1ねじな
しスロットを前記ねじ付きスロットの一方と心合わせす
ることにより締付ねじのための第1開口を形成し、該ベ
アリングの第2ねじなしスロットを前記ねじ付きスロッ
トの他方と心合わせすることにより、骨ねじのための第
2開口を形成する杯状窩とから成る義肢。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/838,090 | 1992-02-19 | ||
US07/838,090 US5282864A (en) | 1992-02-19 | 1992-02-19 | Acetabular prosthesis having a metal socket bearing |
PCT/US1993/001886 WO1993016662A1 (en) | 1992-02-19 | 1993-02-18 | Acetabular prosthesis having a metal socket bearing |
US08/099,708 US5413603A (en) | 1992-02-19 | 1993-07-29 | Taper-locked acetabular socket bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06507333A JPH06507333A (ja) | 1994-08-25 |
JP3521911B2 true JP3521911B2 (ja) | 2004-04-26 |
Family
ID=26796405
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51512493A Expired - Lifetime JP3521911B2 (ja) | 1992-02-19 | 1993-02-18 | 窩ベアリング付き寛骨臼義肢 |
JP6193617A Pending JPH07144004A (ja) | 1992-02-19 | 1994-07-26 | テーパ固定寛骨臼窩ベアリング |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6193617A Pending JPH07144004A (ja) | 1992-02-19 | 1994-07-26 | テーパ固定寛骨臼窩ベアリング |
Country Status (7)
Country | Link |
---|---|
US (2) | US5282864A (ja) |
EP (2) | EP0590110B1 (ja) |
JP (2) | JP3521911B2 (ja) |
CA (1) | CA2111825A1 (ja) |
DE (2) | DE69314591T2 (ja) |
ES (1) | ES2177565T3 (ja) |
WO (1) | WO1993016662A1 (ja) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5282864A (en) * | 1992-02-19 | 1994-02-01 | Joint Medical Products Corporation | Acetabular prosthesis having a metal socket bearing |
DE4335931B4 (de) * | 1993-10-21 | 2006-10-12 | Cerasiv Gmbh Innovatives Keramik-Engineering | Hüftgelenkpfanne |
ATE168000T1 (de) * | 1993-11-22 | 1998-07-15 | Sulzer Orthopaedie Ag | Innenschale für eine hüftgelenkpfanne |
US5571198A (en) * | 1994-01-21 | 1996-11-05 | David A. Drucker | Acetabular shell with selectively available bone screw holds |
US5489311A (en) * | 1994-01-21 | 1996-02-06 | Joint Medical Products Corporation | Prosthesis with orientable bearing surface |
SE509200C2 (sv) * | 1994-05-16 | 1998-12-14 | Goesta Ullmark | Anordning för användning vid transplantation av benvävnadsmaterial i ett hålrum i ben |
DE19502503C1 (de) * | 1995-01-27 | 1996-09-26 | Amir Dr Zahedi | Modulares Knochenimplantat mit Pfanne und Stiften |
ATE204727T1 (de) * | 1995-05-18 | 2001-09-15 | Sulzer Orthopaedie Ag | Künstliche gelenkschale |
US5728161A (en) | 1995-06-08 | 1998-03-17 | Depuy Orthopedics, Inc. | Large taper modular shoulder prosthesis |
US5725587A (en) * | 1995-12-14 | 1998-03-10 | Zimmer, Inc. | Acetabular cup assembly |
US6013082A (en) * | 1996-06-07 | 2000-01-11 | Johnson & Johnson Professional, Inc. | Extraction device |
US5755808A (en) * | 1996-06-27 | 1998-05-26 | Joint Medical Products, Corporation | Connector plug for multi-component orthopedic implant |
US5725591A (en) * | 1996-08-13 | 1998-03-10 | Johnson & Johnson Professional, Inc. | Acetabular bearing system |
ATE229307T1 (de) * | 1996-08-24 | 2002-12-15 | Cerasiv Gmbh | Gelenkprothese |
US5658348A (en) * | 1996-09-09 | 1997-08-19 | Bristol-Myers Squibb Company | Acetabular implant with threaded liner and locking ring |
US5925077A (en) * | 1997-04-02 | 1999-07-20 | Biomet, Inc. | Apparatus and method for plugging holes in an acetabular shell component |
US6132469A (en) * | 1997-11-07 | 2000-10-17 | Biomet, Inc. | Acetabular liner extractor |
US6139582A (en) | 1997-11-21 | 2000-10-31 | Depuy Orthopaedics, Inc. | Acetabular cup with bi-directional steps |
US6187050B1 (en) | 1997-12-29 | 2001-02-13 | Johnson & Johnson Professional, Inc. | Oblong acetabular cup |
US5919195A (en) * | 1998-01-20 | 1999-07-06 | Johnson & Johnson Professional, Inc. | Oblong acetabular component instrumentation |
GB9802499D0 (en) * | 1998-02-05 | 1998-04-01 | Corin Medical Ltd | Acetabular cup |
US5928288A (en) * | 1998-05-13 | 1999-07-27 | Johnson & Johnson Professional, Inc. | Variable fit oblong acetabular prosthesis |
GB9828084D0 (en) * | 1998-12-18 | 1999-02-17 | Benoist Girard & Cie | Femoral component |
DE10003543A1 (de) * | 2000-01-27 | 2001-08-02 | Klaus Draenert | Pressfit Cup mit Dämpfungseigenschaften |
AU783205C (en) | 2000-03-15 | 2006-08-17 | Depuy Orthopaedics, Inc. | Prosthetic cup assembly which includes components possessing self-locking taper |
GB0027206D0 (en) | 2000-11-07 | 2000-12-27 | Benoist Girard & Cie | Handling device for bearing liner |
US6413259B1 (en) | 2000-12-14 | 2002-07-02 | Blackstone Medical, Inc | Bone plate assembly including a screw retaining member |
US6602253B2 (en) * | 2001-02-12 | 2003-08-05 | Marc Richelsoph | Rod to rod connector |
US6488713B1 (en) | 2001-04-25 | 2002-12-03 | Biomet, Inc. | Hip joint prosthesis with integral bearing extraction member |
EP1411868A4 (en) * | 2001-07-31 | 2006-04-12 | Biomet Inc | METHOD AND DEVICE FOR USING METAL METAL CLADDING |
US7326253B2 (en) | 2001-11-16 | 2008-02-05 | Depuy Products, Inc. | Prosthetic cup assembly having increased assembly congruency |
US7001389B1 (en) | 2002-07-05 | 2006-02-21 | Navarro Richard R | Fixed and variable locking fixation assembly |
US7179296B2 (en) * | 2003-04-02 | 2007-02-20 | Howmedica Osteonics Corp. | Partially constrained ball and socket |
US20050288793A1 (en) * | 2004-06-28 | 2005-12-29 | Howmedica Osteonics Corp. | Internal fixation element for hip acetabular shell |
US8163029B2 (en) | 2004-06-30 | 2012-04-24 | Depuy Products, Inc. | Extended radius prosthesis and associated method |
US7217425B2 (en) * | 2004-07-23 | 2007-05-15 | Depuy Spine, Inc. | Autologous coatings for implants |
US8715733B2 (en) * | 2004-07-23 | 2014-05-06 | DePuy Synthes Products, LLC | Enhanced adipose tissue |
US20060019869A1 (en) * | 2004-07-23 | 2006-01-26 | Thomas Dimauro M | Intradiscal anti-inflammatory therapy involving autologous adiponectin |
US7399742B2 (en) * | 2004-07-23 | 2008-07-15 | Depuy Spine, Inc. | Anti-osteolytic therapy involving adiponectin |
US7673634B2 (en) * | 2004-10-08 | 2010-03-09 | Depuy Spine, Inc | Method of treating or preventing osteolysis in a patient by UVB light irradiation |
US20060134164A1 (en) * | 2004-12-17 | 2006-06-22 | Dimauro Thomas M | Th2-inducing adjuvant treatment for osteolysis |
US20060190089A1 (en) * | 2005-02-18 | 2006-08-24 | Howmedica Osteonics Corp. | Internal adaptor for hip acetabular cage |
US20060226570A1 (en) * | 2005-04-12 | 2006-10-12 | Zimmer Technology, Inc. | Method for making a metal-backed acetabular implant |
US7927376B2 (en) * | 2005-06-30 | 2011-04-19 | Depuy Products, Inc. | Expandable acetabular liner extraction device, cup assembly and associated method |
US7785331B2 (en) * | 2005-06-30 | 2010-08-31 | Depuy Products, Inc. | Acetabular liner extraction device, kit and associated method |
US20070093844A1 (en) * | 2005-10-12 | 2007-04-26 | Dye Donald W | Calcar planers for minimally invasive surgery |
US7708783B2 (en) * | 2005-11-04 | 2010-05-04 | Zimmer Technology, Inc. | Rotating constrained liner |
US20070106392A1 (en) * | 2005-11-08 | 2007-05-10 | Howmedica Osteonics Corp. | Acetabular cup locking mechanism |
CN101400322B (zh) | 2006-03-20 | 2013-05-29 | 史密夫和内修有限公司 | 用于多种支承材料的髋臼杯组件 |
US8308811B2 (en) * | 2006-04-11 | 2012-11-13 | Zimmer, Inc. | Acetabular cup conversion ring |
US20070239283A1 (en) * | 2006-04-11 | 2007-10-11 | Berger Richard A | Acetabular cup conversion ring |
US7670343B2 (en) * | 2006-06-14 | 2010-03-02 | Biomet Manufacturing Corp. | Method and apparatus for reaming an acetabulum |
US8449583B2 (en) | 2006-10-02 | 2013-05-28 | The Cleveland Clinic Foundation | Fastener assembly |
WO2008067022A2 (en) * | 2006-10-02 | 2008-06-05 | The Cleveland Clinic Foundation | Fastener assembly |
US8808390B2 (en) * | 2007-09-27 | 2014-08-19 | DePuy Synthes Products, LLC | Acetabular prosthesis having an orientable face |
GB2460684B (en) * | 2008-06-05 | 2013-02-20 | Corin Ltd | Acetabular cup |
US8123815B2 (en) | 2008-11-24 | 2012-02-28 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
US8007539B2 (en) * | 2008-12-08 | 2011-08-30 | Biomet Manufacturing Corp. | Metal-on-metal modular hybrid liner |
US8308810B2 (en) | 2009-07-14 | 2012-11-13 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
US20120179270A1 (en) * | 2010-03-10 | 2012-07-12 | Russell Nevins | Low stress multiple fixation acetabular component |
US20160158015A1 (en) * | 2014-12-04 | 2016-06-09 | Stemmed Implant Technology Inc. | Bone implant |
US20170086980A1 (en) * | 2015-09-25 | 2017-03-30 | DePuy Synthes Products, Inc. | Acetabular cup taper cover and liner trial |
US10596011B2 (en) * | 2018-01-31 | 2020-03-24 | Depuy Ireland Unlimited Company | Orthopaedic surgical instrument and method for positioning an acetabular prosthetic component |
EP3666745A1 (fr) * | 2018-12-14 | 2020-06-17 | Comadur S.A. | Procede de brasage de composants en alliage de titane avec des composants en ceramique a base de zircone pour l'horlogerie ou la joaillerie |
CN109567986B (zh) * | 2019-02-01 | 2023-11-24 | 北京爱康宜诚医疗器材有限公司 | 关节窝假体及具有其的关节假体 |
US20220346960A1 (en) * | 2021-04-30 | 2022-11-03 | Alena M. Brandewie | Apparatus and method for installing an acetabular liner on an acetabular cup |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4077070A (en) * | 1968-06-18 | 1978-03-07 | Sivash Konstantin Mitrofanovic | Artificial hip joint |
US3820167A (en) * | 1968-06-18 | 1974-06-28 | K Sivash | Artificial hip joint |
US3943576A (en) * | 1971-10-14 | 1976-03-16 | Sivash Konstantin Mitrofanovic | Artificial hip joint made from two different surgical alloys |
US3848272A (en) * | 1972-01-13 | 1974-11-19 | United States Surgical Corp | Artificial hip joint |
USRE28895E (en) * | 1972-01-13 | 1976-07-13 | United States Surgical Corporation | Artificial hip joint |
CH568753A5 (ja) * | 1973-08-31 | 1975-11-14 | Oscobal Ag | |
DE2349357A1 (de) * | 1973-10-02 | 1975-04-10 | Rosenthal Technik Ag | Pfannenbefestigung einer kugelfoermigen gelenkpfanne aus einem keramischen werkstoff |
DE2950536A1 (de) * | 1979-12-15 | 1981-07-02 | Howmedica International, Inc. Zweigniederlassung Kiel, 2300 Kiel | Hueftpfanne |
CA1237553A (en) * | 1982-01-21 | 1988-06-07 | Benjamin S. Meyer | Artificial joint fixation to bone and sleeve therefor |
IE53930B1 (en) * | 1982-04-07 | 1989-04-12 | Nat Res Dev | Endoprosthetic bone joint devices |
US4978356A (en) * | 1983-03-08 | 1990-12-18 | Joint Medical Products Corporation | Ball and socket bearing for artificial joint |
US4678472A (en) * | 1983-03-08 | 1987-07-07 | Joint Medical Products Corporation | Ball and socket bearing for artificial joint |
US4524467A (en) * | 1983-11-21 | 1985-06-25 | Joint Medical Products Corp. | Apparatus for constraining a socket bearing in an artificial joint |
US4795469A (en) * | 1986-07-23 | 1989-01-03 | Indong Oh | Threaded acetabular cup and method |
CH672985A5 (ja) * | 1987-11-11 | 1990-01-31 | Sulzer Ag | |
FR2644691B1 (fr) * | 1989-03-23 | 1991-11-15 | Desmarquest Ceramiques Tech | Prothese femorale utilisant une rotule en ceramique de petit diametre |
US5002577A (en) * | 1989-08-10 | 1991-03-26 | Boehringer Mannheim Corporation | Variable position acetabular cup |
GB9000124D0 (en) * | 1990-01-04 | 1990-03-07 | Howmedica | Prosthetic bearing assembly |
US5080679A (en) * | 1990-01-29 | 1992-01-14 | Techmedica, Inc. | Orthopedic junction for dissimilar materials |
US5282864A (en) * | 1992-02-19 | 1994-02-01 | Joint Medical Products Corporation | Acetabular prosthesis having a metal socket bearing |
-
1992
- 1992-02-19 US US07/838,090 patent/US5282864A/en not_active Expired - Lifetime
-
1993
- 1993-02-18 EP EP93906286A patent/EP0590110B1/en not_active Expired - Lifetime
- 1993-02-18 WO PCT/US1993/001886 patent/WO1993016662A1/en active IP Right Grant
- 1993-02-18 JP JP51512493A patent/JP3521911B2/ja not_active Expired - Lifetime
- 1993-02-18 DE DE69314591T patent/DE69314591T2/de not_active Expired - Lifetime
- 1993-07-29 US US08/099,708 patent/US5413603A/en not_active Expired - Lifetime
- 1993-12-17 CA CA002111825A patent/CA2111825A1/en not_active Abandoned
-
1994
- 1994-07-20 ES ES94305327T patent/ES2177565T3/es not_active Expired - Lifetime
- 1994-07-20 DE DE69430717T patent/DE69430717T2/de not_active Expired - Lifetime
- 1994-07-20 EP EP94305327A patent/EP0636351B1/en not_active Expired - Lifetime
- 1994-07-26 JP JP6193617A patent/JPH07144004A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0636351A2 (en) | 1995-02-01 |
DE69430717T2 (de) | 2002-09-26 |
CA2111825A1 (en) | 1995-01-30 |
US5282864A (en) | 1994-02-01 |
DE69314591D1 (de) | 1997-11-20 |
EP0590110A4 (en) | 1994-07-27 |
JPH07144004A (ja) | 1995-06-06 |
EP0636351A3 (en) | 1995-12-27 |
WO1993016662A1 (en) | 1993-09-02 |
ES2177565T3 (es) | 2002-12-16 |
EP0636351B1 (en) | 2002-06-05 |
JPH06507333A (ja) | 1994-08-25 |
EP0590110A1 (en) | 1994-04-06 |
DE69430717D1 (de) | 2002-07-11 |
US5413603A (en) | 1995-05-09 |
DE69314591T2 (de) | 1998-05-14 |
EP0590110B1 (en) | 1997-10-15 |
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