JPH1099355A - プラグと整形外科インプラント - Google Patents
プラグと整形外科インプラントInfo
- Publication number
- JPH1099355A JPH1099355A JP9184653A JP18465397A JPH1099355A JP H1099355 A JPH1099355 A JP H1099355A JP 9184653 A JP9184653 A JP 9184653A JP 18465397 A JP18465397 A JP 18465397A JP H1099355 A JPH1099355 A JP H1099355A
- Authority
- JP
- Japan
- Prior art keywords
- plug
- distal
- lip
- component
- liner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- 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
-
- 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
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- 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
-
- 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
- A61F2/4603—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
-
- 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
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30016—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in hardness, e.g. Vickers, Shore, Brinell
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30205—Three-dimensional shapes conical
- A61F2002/3021—Three-dimensional shapes conical frustoconical
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- 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
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30224—Three-dimensional shapes cylindrical
- A61F2002/30233—Stepped cylinders, i.e. having discrete diameter changes
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- 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
- A61F2002/30362—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
- A61F2002/30367—Rotation about the common longitudinal axis with additional means for preventing said rotation
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- 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
- A61F2002/30378—Spherically-shaped protrusion and recess
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- 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
- A61F2002/30426—Bayonet coupling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61F2002/30535—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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- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30795—Blind bores, e.g. of circular cross-section
- A61F2002/30797—Blind bores, e.g. of circular cross-section internally-threaded
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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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
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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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
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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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- A61F2/00—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
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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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- A61F2/30—Joints
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- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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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
- A61F2220/0033—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
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- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0067—Three-dimensional shapes conical
-
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- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0069—Three-dimensional shapes cylindrical
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0019—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in hardness, e.g. Vickers, Shore, Brinell
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (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)
Abstract
うにした整形外科インプラントを提供する。 【解決手段】 プラグは寛骨臼インプラントの2個の構
成要素を固定するために設けられ、少なくとも1個の構
成要素がプラグの材料より軟らかい材料で形成される。
好ましい実施態様では構成要素が互いに軸の周りを回転
する同心カップを含む。この2個の構成要素はプラグを
使用して互いに構成要素が回らないようにしている。こ
の発明は寛骨臼シェルとヒップインプラントのライナー
を用いて好ましく使用され、この場合、寛骨臼シェルは
金属材料からなり、ライナーはポリマーあるいは他の同
様の軟らかい材料からなる。プラグはセレーションが付
いた頭部と遠位リップあるいは固定端を有してプラグの
長さに沿って1カ所より多くの場所で固定される。プラ
グが、インプラントの2個の構成要素の心合わせした複
数の溝あるいは開口によって形成された1個の共通の開
口内に挿入される。
Description
ントの2個の構成要素を留めるための、好ましくは埋込
み(移植)可能な装置の同心カップを連結するための装
置に関する。
人工関節を整合し取り付けるために互いに移動できる複
数の構成要素を有する。一旦、最適な位置に取り付けら
れたこれらの構成要素は、次に、その部品が互いに動か
ないように、互いに留められ、あるいは固定される。例
えば、非対称的なライナーが外カップ内で、あるいは外
カップに対して回転し、その非対称的なライナーを埋込
みに最適な位置に向けることができる。次に、ライナー
はピンを使用してシェルあるいはカップに固定される。
そのピンは通常、ライナーとカップの共通の又は心合わ
せされた溝又は開口でできた孔に差込まれる。ピンが患
者の寛骨臼あるいは肩の寛骨臼骨あるいは浅窩骨に接す
ると、ピンは孔を通してライナーから延び、シェルから
出る。
できるようにテーパーが付き、ライナーとカップあるい
はシェルに接触しながら開くようにばね押しされる洗濯
ばさみタイプの遠位部とからなっている。このタイプの
ピンについての潜在的な不具合の1つは、ばね力がその
構成要素に接触しロックするように、ピンが十分に長く
なければならないことである。従って、ピンは寛骨臼内
に延び、使用の際にはピンが、ばね押し遠位部に対する
寛骨臼の骨の力により緩んでしまう。
きる2個の埋込み可能な構成要素を取り付けて互いにそ
の構成要素を緩めず移動させないようにする手段を提供
することが望ましい。また、互いに好ましく心合わせさ
れた位置に埋込みシステムの同心カップを固定するため
の手段を提供することも望ましい。
外科インプラントの複数の移動可能に係合する構成要素
を、選択した最適な位置に固定するためのロックピン
(プラグ)を提供する。このプラグは、このプラグの材
料より軟らかい材料からなる少なくとも1個の構成要素
と、この第一構成要素に連結される第二構成要素とを含
むインプラントに好適に使用される。2個の構成要素の
各々は、他の構成要素の1個の溝あるいは複数の溝に心
合わせ可能な1個の溝、好ましくは、複数の溝を有して
1個以上の共通の連続した開口を形成する。
頭部(ヘッド)と、その頭部から延び近位部を有する胴
部(ボディ)と、中間溝と、円錐円筒状遠位端部とから
なる。この円錐円筒状遠位端部はリップを備え、また近
位部もリップを備えている。これらのリップの各々は中
間溝部で形成される。このリップは、別の対向する位置
の軟らかい材料の面に突き当たるように配置されて固定
位置の軟らかい材料の構成要素を他のインプラント構成
要素で保持する。プラグの2個のリップの特徴によりプ
ラグをよりコンパクトな大きさにすることができ、プラ
グと連結要素との間でさらに表面積接触が行なわれる。
ソケットタイプの関節の同心カップで好適に使用され、
内カップが外カップに対して共通軸の周りを回転して内
カップの角度方位を最適に配置する。インプラントは金
属外シェルとポリエチレンのような生体適合性ポリマー
から作られた内カップからなる。プラグはチタン合金の
ような金属から作られる。内カップはシェルとカップ内
の溝で形成した孔に延びる2個のラグを有する。プラグ
は挿入すると孔にフィットし、リップとプラグの頭部の
セレーションはシェルのラグに当たり、シェル内でライ
ナーが回らないようにする。
抜き力に抵抗するための面を増加するためのセレーショ
ンを備えることができる。これらの面はプラグの下リッ
プにあるいは下リップの他の代わるものでよい。
は本発明の好ましい実施態様のインプラント40とプラ
グ10が示されている。プラグ10は、外周12にセレ
ーション14を有する頭部(ヘッド)11を含む。プラ
グ10はさらに、中間部の凹部18で形成したリップ1
7を有する近位プラグ部16を備えたプラグ部あるいは
胴部15を含む。円錐部19は中間凹部18から末端に
延びる。その円錐部19は、中間凹部18が円錐遠位部
19に接合する場所に形成したリップ20を有する。
位先端21までテーパーが付いており、インプラント4
0のライナー42とシェル41で形成した開口50を通
る。プラグ10も内部に近位から遠位に延びる隠れた開
口25を有する。開口25は、内面ねじ込み部26を備
え、ねじ込み開口25に取り付けるためのねじ込みねじ
先端64で挿入器具60を、内面ねじ込み部26に取り
付ける。
ナー42を有する。シェル41は、チタンあるいはコバ
ルトクロム合金のような金属材料で形成され、ライナー
42はポリエチレンのような生体適合性のあるポリマー
から作られることが好ましい。ライナー42は、シェル
41内に配置されシェル41の内球面43と関節結合が
なされる外球面45を有する。
周辺の種々の位置に配置された一連の溝44を備えてい
る。ライナー42はさらに、そのライナーの外周辺に延
びる一連の溝46も備えている。溝44、46は、プラ
グを通す孔50を形成するため心合わせがなされてい
る。
受けるための溝48も含み、シェル41内の所定位置に
ライナー42を保持し、シェル41とライナー42の共
通軸の周りでライナー42が回転する。外シェル41は
さらに、第一溝48上でライナー42の外周辺上方に配
置したライナー42の下ラグ51を回転可能に受けるた
めの第二溝49も含む。シェル41はまた、このシェル
41の溝46に隣接して溝49上方に一部が延びる突起
52も備えている。ライナー42は下ラグ51を溝49
に心合わせすることによってシェル41内に挿入され
る。シェル41では溝49が突起52で連続する。一
旦、挿入されると、下ラグ51は、溝49内でシェル4
1の内側周辺で回る。下ラグ51は、溝46を溝44に
心合わせした時、突起52が下ラグ51に係合してライ
ナー42がシェル41から外れたりあるいは上がったり
しないように、ライナー42の溝46に隣接する。ライ
ナー42はさらに、開口あるいは溝46に隣接してまた
配置された上ラグ53を含む。上ラグ53は、ライナー
42をシェル41内に挿入した時、シェル41の内側周
辺の上部と突起52上に載る。
0に挿入できる。プラグ10の頭部11には開口25を
通してねじ山26が形成されている。内部ねじ山26に
より頭部11に、ハンドル61と、歯合するねじ込みね
じ先端64を備えた遠位端部62とを有する挿入器具6
0を取り付ける。この挿入器具60はプラグ10に取り
付けられ、プラグ10の円錐先端19は孔50内に挿入
される。
は下ラグ51に当たり、一方、近位リップ17は孔50
内でプラグ10を中心に配置する。頭部11のセレーシ
ョン14はライナー42の上ラグ53を留めるか上ラグ
53に当たり、プラグ10が緩まないようにする。
部16は孔50の内径に略等しく、そのため孔50内に
プラグ10をフィットさせることができる。使用時に
は、シェル41を寛骨臼のような骨の空洞内に挿入し、
ライナー42をシェル41内に入れる。ライナー42の
リップ55はライナー42の周囲で種々の角度に配置さ
れる。ライナー42は、リップ55が埋込み用に最適な
位置に配置されるようにシェル41内でリップ55を回
すことによって配置される。この最適なリップ55の位
置に最も近い隣接位置で溝44を溝46に心合わせす
る。プラグ10をそのような心合わせで形成した孔50
に挿入する。
14を有する頭部111と、円錐遠位部119を頭部に
つなぐ中間溝付き部118を備えた胴部115とを有す
る別の実施態様が示されている。中間溝付き部118は
ライナー42をインプラントのシェル41に嵌め込むた
めのセレーション122を備えている。
明しているが、本明細書の請求の範囲から逸脱すること
なく多数の変形がなされる。以下本発明の具体的な実施
態様を示す。 (1)前記頭部はさらに、セレーションを有する外周を
含む請求項1に記載のプラグ。 (2)前記中間溝部は前記近位部の近位リップを形成す
る請求項1に記載のプラグ。 (3)前記中間溝部はさらに、表面に形成したセレーシ
ョンを有する外周を含む請求項1に記載のプラグ。 (4)前記頭部はさらに、セレーションを有する外周を
含む請求項2に記載の整形外科インプラント。 (5)前記プラグは前記第一構成要素の前記第一硬さよ
り大きな硬さを有する材料からなる請求項2に記載の整
形外科インプラント。
マーからなる実施態様(5)に記載の整形外科インプラ
ント。 (7)前記第二構成要素は金属からなる実施態様(6)
に記載の整形外科インプラント。 (8)前記第一構成要素は外凸球面を有する第一カップ
を有し、前記第二構成要素は内凹球面を有する第二カッ
プを有し、前記第一球面は前記第二球面と関節結合する
ように前記第一カップが前記第二カップ内で回転可能で
あり、前記プラグを前記開口内に取り付けると、前記プ
ラグにより前記第一カップが前記第二カップに対して回
らない請求項2に記載の整形外科インプラント。 (9)前記第一構成要素はライナーを含み、前記第二カ
ップは寛骨臼シェルを含む実施態様(8)に記載の整形
外科インプラント。
いに移動できる2個の埋込み可能な構成要素を取り付け
ることによって互いにその構成要素を緩めず移動させな
いようにした整形外科インプラントを提供することがで
きる。
図。
ントのライナーを用いた使用の際での本発明のプラグの
側面図。
本発明のプラグの分解図。
グとカップの図。
Claims (2)
- 【請求項1】 頭部と、 前記頭部に連結された近位部、円錐円筒状遠位部、及び
前記近位部を前記遠位部に連結する中間溝部を有する胴
部とからなる整形外科インプラントの少なくとも2個の
構成要素を固定するためのプラグであって、 前記中間溝部が前記円錐円筒状遠位端部の遠位リップを
形成するプラグ。 - 【請求項2】 第一硬さを有する第一材料からできた第
一構成要素と、 前記第一構成要素に連結される第二構成要素と、 前記第一構成要素と第二構成要素を固定するためのプラ
グであり、前記プラグが頭部と、前記頭部に連結された
近位部、円錐円筒状遠位部、及び前記近位部を前記遠位
部に連結する中間溝部を有する胴部とからなるプラグを
有する整形外科インプラントであって、 前記中間溝部は前記円錐円筒状遠位端部の遠位リップを
形成し、 前記第一構成要素は溝を備え、前記第二要素は溝を備
え、前記第一及び第二構成要素の前記溝は共通の開口を
形成するのに心合わせ可能であり、 前記プラグの前記胴部は外径を備え、前記共通の開口は
前記胴部の外径に略同様の外径を有し、 前記第一構成要素は、前記開口内に延在する第一ラグと
第二ラグを有し、 前記頭部は前記第一ラグに係合可能であり、前記プラグ
遠位リップは前記第二ラグと係合可能であり前記第二構
成要素に対して前記第一構成要素を固定する整形外科イ
ンプラント。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US671230 | 1996-06-27 | ||
US08/671,230 US5755808A (en) | 1996-06-27 | 1996-06-27 | Connector plug for multi-component orthopedic implant |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH1099355A true JPH1099355A (ja) | 1998-04-21 |
JP4472031B2 JP4472031B2 (ja) | 2010-06-02 |
Family
ID=24693647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18465397A Expired - Fee Related JP4472031B2 (ja) | 1996-06-27 | 1997-06-26 | プラグと整形外科インプラント |
Country Status (5)
Country | Link |
---|---|
US (1) | US5755808A (ja) |
EP (1) | EP0815808B1 (ja) |
JP (1) | JP4472031B2 (ja) |
CA (1) | CA2208832C (ja) |
DE (1) | DE69725052T2 (ja) |
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JP6966564B2 (ja) | 2017-03-08 | 2021-11-17 | ジンマー バイオメット シーエムエフ アンド ソラシック,リミティド ライアビリティ カンパニー | 胸部バー支持デバイス |
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- 1996-06-27 US US08/671,230 patent/US5755808A/en not_active Expired - Lifetime
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- 1997-06-25 CA CA002208832A patent/CA2208832C/en not_active Expired - Fee Related
- 1997-06-26 JP JP18465397A patent/JP4472031B2/ja not_active Expired - Fee Related
- 1997-06-26 DE DE69725052T patent/DE69725052T2/de not_active Expired - Lifetime
- 1997-06-26 EP EP97304558A patent/EP0815808B1/en not_active Expired - Lifetime
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JPH04297253A (ja) * | 1990-01-04 | 1992-10-21 | Howmedica Internatl Inc | 骨補綴具および補綴寛骨臼カップ |
JPH06510683A (ja) * | 1991-09-19 | 1994-12-01 | ヴァルデマール・リンク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー | 粘弾性プラスチック部を有する内部人工器官 |
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JPH07148188A (ja) * | 1993-08-16 | 1995-06-13 | Howmedica Internatl Inc Zweignied Kiel | 体内プロステーシス |
Also Published As
Publication number | Publication date |
---|---|
US5755808A (en) | 1998-05-26 |
CA2208832C (en) | 2005-09-27 |
EP0815808A3 (en) | 1998-09-09 |
JP4472031B2 (ja) | 2010-06-02 |
CA2208832A1 (en) | 1997-12-27 |
EP0815808B1 (en) | 2003-09-24 |
EP0815808A2 (en) | 1998-01-07 |
DE69725052D1 (de) | 2003-10-30 |
DE69725052T2 (de) | 2004-07-08 |
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