DE2220304C3 - Hüftgelenkkopf-Prothese - Google Patents
Hüftgelenkkopf-ProtheseInfo
- Publication number
- DE2220304C3 DE2220304C3 DE2220304A DE2220304A DE2220304C3 DE 2220304 C3 DE2220304 C3 DE 2220304C3 DE 2220304 A DE2220304 A DE 2220304A DE 2220304 A DE2220304 A DE 2220304A DE 2220304 C3 DE2220304 C3 DE 2220304C3
- Authority
- DE
- Germany
- Prior art keywords
- bore
- head part
- ball head
- prosthesis
- spherical
- 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
Links
- 210000004394 hip joint Anatomy 0.000 claims description 8
- 241000309551 Arthraxon hispidus Species 0.000 claims description 6
- 210000002414 leg Anatomy 0.000 claims description 3
- 210000002436 femur neck Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000001694 thigh bone Anatomy 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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
- A61F2/46—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
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
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- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1664—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip
- A61B17/1668—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip for the upper femur
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
- B62D49/005—Tractors for semi-trailers
- B62D49/007—Tractors for handling trailers, e.g. roll-trailers in terminals
-
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- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/175—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for preparing the femur for hip prosthesis insertion
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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
- A61F2/4603—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
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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
- A61F2002/30159—Concave polygonal shapes
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- 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
- 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
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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
- A61F2002/30332—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
- 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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- 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
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
- A61F2002/30879—Ribs
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- 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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- 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
- A61F2002/4619—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 for extraction
-
- 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
- A61F2002/4631—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0058—X-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Medical Informatics (AREA)
- Dentistry (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Prostheses (AREA)
Description
Die Erfindung betrifft eine Hüftgelenkkopf-Prothese,
bestehend aus einem vorzugsweise mit einem Halsansatz versehenen Kugelkopfteil mit einer Bohrung und
einem Schenkelschaftteil mit einem der Bohrung des Kugelkopfteils angepaßten Zapfen, auf den der Kugelkopfteil
aufsteckbar ist und wobei die Achse der Bohrung im Kugelkopfteil von der Durchmesserlinie abweicht.
Eine derartige Hüftgelenkkopf-Prothese ist bekannt aus der CH-PS 5 07 704, bei welcher der Zapfen, auf
welchen der Kugelkopfteil aufsteckbar ist, radial vorstehende Rippen aufweist, welche den aufgesteckten
Kugelkopf teil gegen Verdrehung sichern. Im Kugelkopfteil bzw. in einem eventuell vorhandenen, besonderen
Halsteil sind dabei radiale Nuten einzuarbeiten, in welche die Rippen beim Aufsetzen des Kugelkopfteils
eintreten können, was zu einer umständlichen Bearbeitung führt. Aber auch die Herstellung und insbesondere
genaue Bearbeitung des Zapfens ist durch die an ihm vorstehenden radialen Rippen erheblich erschwert. Das
ist ganz besonders der Fall, wenn am Zapfen mehrere Rippen und im Kugelkopfteil mehrere Nuten vorgesehen
sein sollten, um eine Verstellung in mehrere Lagen vornehmen zu können. Bei der bekannten Hüftgelenkkopf-Prothese
sind daher nur zwei diametral liegende Rippen bzw. Nuten vorgesehen, was nur gestattet, den
Kugelkopf teil in zwei um 180° versetzte Lagen aufzusetzen.
Es ist das Ziel der Erfindung, die Herstellung der Prothese erheblich zu vereinfachen und damit auch die
Möglichkeit für weitgehendere Einstellmöglichkeiten zu schaffen. Die Hüftgelenkkopf-Prothese ist erfindungsgemäß
dadurch gekennzeichnet, daß die zur Bohrung senkrechte Auflagefläche des Kugelkopfteils Nokken
aufweist und der Bund des Schaftteils entsprechende Vertiefungen. Damit fallen Rippen am Zapfen bzw.
Nuten im Bereiche der Bohrung des Kugelkopfes weg, so daß die genaue Bearbeitung dieser vorzugsweise konischen
Flächen keinerlei Probleme bietet Die Orientierungsmittel sind ausschließlich an die Stirnseiten des
Kueelkopfteils bzw. des Bundes des Schaftteils verlegt,
wo ihre Bearbeitung einfach ist Die Nocken und Vertiefungen können z.B. kreuzweise anC;ordnet sein,
derart daß der Kugelkopfteil um je 90° versetzt auf den Bund des Schaftteils aufgesetzt werden kann, was
vielseitige Einstellmöglichkeiten mit sich bringt
Die Zeichnung zeigt ein Ausführungsbeispiel der erfindungsgemäßen Hüftgelenkkopf-Prothese.
F i g 1 zeigt einen schematischen Schnitt durch einen Teil eines Skeletts mit eingesetzter Prothese,
Fig.2 eine Seitenansicht teilweise im Schnitt der
F i g. 3 eine Aufsicht auf den Schenkelschaftteil nach
F i g. 4a, 4b, 5a und 5b zeigen Kugelkopfrichtungen
lateral und medial in Seitenansicht sowie anterior und posterior in Aufsicht.
In F i g. 1 erkennt man das Becken 13 und einen Oberschenkelknochen 14, in dessen Medullarhöhle 56
ein Prothesenschaft 16 eingesetzt ist Wie ersichtlich, liegt er mit seiner Auflagefläche 18 des Bundes 20 auf
dem Femurhalsrest 22 auf. Die Zeichnung zeigt das rechte Hüftgelenk, bei dem der Kugelkopfteil 37 direkt
in die natürliche Gelenkpfanne 25 hineinragt und mit dieser zusammenarbeitet.
Aus F i g.2 und 3 ersieht man, wie ein ertindungsgemäßer
Schenkelhalsschaft 16 im Detail aufgebaut sein soll. Es ist dabei zu vermerken, daß die Länge des
Schaftes 16 den Skelettverhältnissen sowie den Kräfteverhältnissen entsprechend angepaßt werden kann. Um
den Schaft 16 vor ungewolltem Absinken in den Oberschenkelknochen 14 (F i g. 1) zu schützen, ist die Auflagefläche
18 an der medialen Seite sehr groß ausgebildet. Durch die seitliche Verstärkung 27 am oberen Teil
wird ein Verdrehen im Oberschenkelknochen 14 (F i g. i) verhindert. Der Bund 20 weist in seinem hinteren
Teil eine Bohrung 28 auf, die dazu dient den eventuell abgetrennten Trochonter major mittels Cerclagedraht
wieder zu fixieren. Ebenso kann bei einer eventuellen Infektion das Ausziehgerät in dieser Bohrung eingehängt
werden. Der Bund 20 weist auf seiner dem Schaft 16 und der Auflagefläche 18 gegenüberliegenden Seite vier Vertiefungen 29 auf, die in F i g. 2 teils in
Seitenansicht und in Fig.3 in Aufsicht gezeigt sind.
Um den Kugelkopfteil 38 aufnehmen zu können, weist der Schenkelschaft 16 im Schnittpunkt der kreuzweise
angeordneten Vertiefungen 29 einen konischen Zapfen 30 auf, dessen Achse 58 mit der Stielachse im Normalfall
einen Winkel von 126° bildet Die Oberfläche des Schaftes 16 kann glatt sein, wie in den F i g. 1, 3, 4a, 5a
und 5b gezeigt, oder sie kann gemäß F i g. 2 mit Zähnen 39 versehen sein.
Der Kugelkopfteii 37 weist einen asymmetrischen Halsansatz 66 und eine dezentrierte Bohrung 67 auf,
deren Achse 68 mit der Durchmesserlinie 69 des Kugelkopfteils 37 einen Winkel bildet, der zwischen 5 und
15° betragen kann. An der dazu senkrechten Auflagefläche des Halsansatzes 66 sind kreuzweise angeordnete
Nocken 38 vorgesehen, die bei aufgesetztem Kugelkopfteil in die Vertiefungen 29 eingreifen.
Aus F i g. 4a, 4b, 5a und 5b sind verschiedene Grundrichtungen der Hüftgelenkachsen ersichtlich, die allesamt
mit der dargestellten Prothese berücksichtigt werden können, ohne daß auch nur ein einzementierter
20 304
Prothesenteil ausgewechselt werden müßte. Die Richtung lateral, Fig.4a, wird erreicht, wenn der Kugelkopfteil
37 so auf den Zapfen 30 aufgesteckt wird, daß der KugeJmittelpunkt 61 oberhalb der Zapfenachse 68
liegt Die Richtung medial wird demgegenüber erzielt, wenn derselbe Kugelkopfteil 37 so auf den Zapfen 30
aufgesteckt wird, daß der Kugelmittelpunkt 61 unterhalb der Zapfenachse 68 liegt (F i g. 5a). Die Richtungen
anterior und posterior werden wiederum mit demselben Kugelkopfteil 37 erreicht, wenn dieser, wie aus
F i g.4b und 5b hervorgeht, so auf den konischen Zapfen 30 aufgesteckt wird, daß der Kugelmittelpunkt 61
hinter bzw. vor der Zapfenachse 58 liegt. Diese vier Grundrichtungen werden durch die Lage der Nocken
38 des Kugelkopfteils 37 sowie die Lage der entsprechenden Vertiefungen 29 des Bundes 20 genau festgelegt-
Hierzu 1 Blatt Zeichnungen
Claims (4)
1. Hüftgelenkkopf-Prothese, bestehend aus einem vorzugsweise mit einem Halsansatz versehenen Kugelkopfteil
mit einer Bohrung und einem Schenkelschaftteil mit einem der Bohrung des Kugelkopfteils
angepaßten Zapfen, auf den der Kugelkopfteil aufsteckbar ist, wobei die Achse der Bohrung im Kugelkopfteil
von der Durchmesserünie abweicht, dadurch gekennzeichnet, daß die zur
Bohrung (67) senkrechte Auflagefläche des Kugelkopfteils
(37) Nocken (38) aufweist und der Bund (20) des Schaftteils (16) entsprechende Vertiefungen
(29). ·5
2. Prothese nach Anspruch 1, dadurch gekennzeichnet, daß im Kugelkopf (37) der Bohrung (67)
die Achse (68) um 5 bis 15° von der Durchmesserlinie (69) abweicht
3. Prothese nach Anspruch 1, dadurch gekennzeichnet, daß die Auflagefläche des Kugelkopfes
(37) vier gleichmäßig verteilt angeordnete Nocken
(38) und der Bund (20) des Schaftteils (40) vier entsprechend angeordnete Vertiefungen (29) aufweist.
4. Prothese nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet daß der Halsansatz (66)
des Kugelkopfes (37) gegenüber der Kugelform asymmetrisch ist
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH485472A CH552383A (de) | 1972-04-06 | 1972-04-06 | Schenkelkopfprothese. |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2220304A1 DE2220304A1 (de) | 1973-10-18 |
DE2220304B2 DE2220304B2 (de) | 1975-03-27 |
DE2220304C3 true DE2220304C3 (de) | 1975-10-30 |
Family
ID=4283699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2220304A Expired DE2220304C3 (de) | 1972-04-06 | 1972-04-25 | Hüftgelenkkopf-Prothese |
Country Status (5)
Country | Link |
---|---|
US (1) | US3874003A (de) |
CH (1) | CH552383A (de) |
DE (1) | DE2220304C3 (de) |
FR (1) | FR2179166B1 (de) |
SE (1) | SE7304737L (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2462313A1 (de) * | 1973-08-31 | 1976-12-16 | Oscobal Ag | Hueftgelenkkopf-prothese |
DE2411617C3 (de) | 1973-08-31 | 1977-12-15 | Ausscheidung in: 24 62 313 Oscobai AG, Selzach (Schweiz) | Zementfrei implantierbare Prothese zum Ersatz der Hüftgelenkpfanne |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2451275C2 (de) * | 1974-10-29 | 1982-08-26 | Feldmühle AG, 4000 Düsseldorf | Kopfteil einer zu implantierenden Hüftgelenkprothese |
FR2289160A2 (fr) * | 1974-10-30 | 1976-05-28 | Tornier Rene | Perfectionnements aux dispositifs destines aux traitements osteologiques |
CH598806A5 (de) * | 1975-10-27 | 1978-05-12 | Sulzer Ag | |
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US11751807B2 (en) | 2016-01-11 | 2023-09-12 | Kambiz Behzadi | Invasive sense measurement in prosthesis installation and bone preparation |
US11298102B2 (en) | 2016-01-11 | 2022-04-12 | Kambiz Behzadi | Quantitative assessment of prosthesis press-fit fixation |
US10426540B2 (en) * | 2016-01-11 | 2019-10-01 | Kambiz Behzadi | Prosthesis installation |
US11399946B2 (en) | 2016-01-11 | 2022-08-02 | Kambiz Behzadi | Prosthesis installation and assembly |
US11375975B2 (en) | 2016-01-11 | 2022-07-05 | Kambiz Behzadi | Quantitative assessment of implant installation |
US10456262B2 (en) | 2016-08-02 | 2019-10-29 | Howmedica Osteonics Corp. | Patient-specific implant flanges with bone side porous ridges |
US11969336B2 (en) | 2018-10-08 | 2024-04-30 | Kambiz Behzadi | Connective tissue grafting |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2668531A (en) * | 1952-02-15 | 1954-02-09 | Edward J Haboush | Prosthesis for hip joint |
US2719522A (en) * | 1952-07-08 | 1955-10-04 | Stephen S Hudack | Articular replacement |
BE516826A (de) * | 1952-09-26 | |||
US2910978A (en) * | 1955-03-28 | 1959-11-03 | Marshall R Urist | Hip socket means |
US3102536A (en) * | 1960-12-07 | 1963-09-03 | Robert M Rose | Hip prosthesis |
GB1030145A (en) * | 1964-04-21 | 1966-05-18 | Paul Wittebol | Improvements in or relating to femoral prostheses |
GB1126961A (en) * | 1965-01-14 | 1968-09-11 | Nat Res Dev | Artificial joints for use in surgery |
FR1481424A (fr) * | 1965-05-26 | 1967-05-19 | Prothèse de l'articulation de la hanche | |
CH507704A (de) * | 1969-03-05 | 1971-05-31 | Osteo Ag Arzt Und Krankenhausb | Schenkelkopfprothese |
CA912202A (en) * | 1969-03-13 | 1972-10-17 | V. Chambers Harold | Artificial hip joint |
FR2088764A5 (de) * | 1970-04-24 | 1972-01-07 | Rua Et Cie | |
CH529552A (de) * | 1970-10-13 | 1972-10-31 | Mathys Robert | Schenkelhalsprothese |
US3685058A (en) * | 1970-10-19 | 1972-08-22 | Raymond G Tronzo | Hip prosthesis |
FR2094904A6 (de) * | 1971-01-20 | 1972-02-04 | Muller Jean Nicolas | |
GB1296162A (de) * | 1971-03-03 | 1972-11-15 | Thackray C F Ltd | |
US3744061A (en) * | 1971-09-13 | 1973-07-10 | H Frost | Artificial hip joint and method of implanting in a patient |
-
1972
- 1972-04-06 CH CH485472A patent/CH552383A/de not_active IP Right Cessation
- 1972-04-25 DE DE2220304A patent/DE2220304C3/de not_active Expired
-
1973
- 1973-04-04 US US347621A patent/US3874003A/en not_active Expired - Lifetime
- 1973-04-04 SE SE7304737A patent/SE7304737L/sv unknown
- 1973-04-05 FR FR7312300A patent/FR2179166B1/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2462313A1 (de) * | 1973-08-31 | 1976-12-16 | Oscobal Ag | Hueftgelenkkopf-prothese |
DE2411617C3 (de) | 1973-08-31 | 1977-12-15 | Ausscheidung in: 24 62 313 Oscobai AG, Selzach (Schweiz) | Zementfrei implantierbare Prothese zum Ersatz der Hüftgelenkpfanne |
Also Published As
Publication number | Publication date |
---|---|
FR2179166A1 (de) | 1973-11-16 |
US3874003A (en) | 1975-04-01 |
CH552383A (de) | 1974-08-15 |
SE7304737L (de) | 1973-10-08 |
DE2220304A1 (de) | 1973-10-18 |
DE2220304B2 (de) | 1975-03-27 |
FR2179166B1 (de) | 1976-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
OI | Miscellaneous see part 1 | ||
8339 | Ceased/non-payment of the annual fee |