DE2823306C3 - Hüftgelenkpfanne - Google Patents

Hüftgelenkpfanne

Info

Publication number
DE2823306C3
DE2823306C3 DE2823306A DE2823306A DE2823306C3 DE 2823306 C3 DE2823306 C3 DE 2823306C3 DE 2823306 A DE2823306 A DE 2823306A DE 2823306 A DE2823306 A DE 2823306A DE 2823306 C3 DE2823306 C3 DE 2823306C3
Authority
DE
Germany
Prior art keywords
flange
acetabulum
acetabulum according
circumference
acetabular cup
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
Application number
DE2823306A
Other languages
English (en)
Other versions
DE2823306A1 (de
DE2823306B2 (de
Inventor
John Knutsford Cheshire Charnley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHARNLEY SURGICAL INVENTIONS Ltd KNUTSFORD CHESHIRE GB
Original Assignee
CHARNLEY SURGICAL INVENTIONS Ltd KNUTSFORD CHESHIRE GB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHARNLEY SURGICAL INVENTIONS Ltd KNUTSFORD CHESHIRE GB filed Critical CHARNLEY SURGICAL INVENTIONS Ltd KNUTSFORD CHESHIRE GB
Publication of DE2823306A1 publication Critical patent/DE2823306A1/de
Publication of DE2823306B2 publication Critical patent/DE2823306B2/de
Application granted granted Critical
Publication of DE2823306C3 publication Critical patent/DE2823306C3/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—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
    • 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
    • A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • 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
    • A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
    • A61F2002/30708—Means for distinguishing between left-sided and right-sided devices, Sets comprising both left-sided and right-sided prosthetic parts
    • 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
    • A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
    • A61F2002/3071—Identification means; Administration of patients
    • 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
    • A61F2/30767—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
    • A61F2002/3082—Grooves
    • A61F2002/30822—Circumferential grooves
    • 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
    • A61F2/30767—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
    • A61F2002/3082—Grooves
    • A61F2002/30827—Plurality of grooves
    • 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
    • A61F2/30767—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
    • A61F2002/3082—Grooves
    • A61F2002/30827—Plurality of grooves
    • A61F2002/30831—Plurality of grooves perpendicular with respect to each other
    • 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
    • A61F2/3094—Designing or manufacturing processes
    • A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
    • A61F2002/3096—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques trimmed or cut to a customised size
    • 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
    • A61F2002/3429—Acetabular cups with an integral peripheral collar or flange, e.g. oriented away from the shell centre line
    • 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
    • A61F2002/348—Additional features
    • A61F2002/3493—Spherical shell significantly greater than a hemisphere, e.g. extending over more than 200 degrees
    • 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
    • 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
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0084—Means for distinguishing between left-sided and right-sided devices; Sets comprising both left-sided and right-sided prosthetic parts
    • 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
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0085—Identification means; Administration of patients
    • A61F2250/0089—Identification means; Administration of patients coded with symbols, e.g. dots, numbers, letters, words

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Description

Die Erfindung geht aus von einer Hüftgelenkpfanne, wie sie im Oberbegriff des Anspruches 1 beschrieben bzw. aus dem DE-GM 73 13 647 bekannt ist.
Diese Hüftgelenkpfanne besteht aus Kunststoff und weist eine halbkugelförmige äußere Oberfläche auf, die mit radial nach außen gerichteten Zapfe»! zwecks Befestigung in der natürlichen Hüftgelenkpfanne versehen ist. Außerdem ist ein halbkreisförmiger Stahldraht vorgesehen, der sich quer über die äußere Oberfläche erstreckt. Im Randverlauf ist ein etwas überstehender ovaler Flansch vorgesehen.
Nachteilig bei dieser Hüftgelenkpfanne ist vor allem, daß keine gleichmäßige Anlage am Hüftgelenkknochen gewährleistet ist. Außerdem kann der Zement ausbrökkeln, wenn eine ungleichmäßige Belastung auftritt. Für jedes natürliche Hüftgelenk, das sich von anderen erheblich unterscheiden kann, muß eine paßgerechte Hüftgelenkpfanne von Fall zu Fall hergestellt werden, gleichbedeutend mit einem hohen Kostenaufwand.
Aufgabe der Erfindung ist die Schaffung einer künstlichen Hüftgelenkpfanne, die für verschiedene Größen der natürlichen rechten und linken Hüftgelenkpfanne durch Beschneiden anpaßbar ist.
Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruches 1 gelöst.
Durch diese erfindungsgemäße Ausführungsform ist gewährleistet, daß der Flansch formschlüssig mit seinem Rand gleichmäßig an der vorbereiteten natürlichen Pfanne anliegt Ferner ist gewährleistet, daß diese Hüftgelenkpfanne für jedes auch noch so deformierte Hüftgelenk verwendet werden kann, so daß Sonderfertigungen entfallen. Der behandelnde Arzt kann sich nämlich während der Operation die Hüftgelenkpfanne paßgerecht zuschneiden.
Die Erfindung ist an Beispielen in der Zeichnung dargestellt und beschrieben, und zwar zeigt
F i g. 1 eine Aufsicht auf eine künstliche Hüftgelenkpfanne,
F i g. 2 eine Seitenansicht gemäß F i g. 1,
Fig.3 im Querschnitt eine in einen Hüftknochen eingesetzte künstliche Hüftgelenkpfanne,
F i g. 4 eine Aufsicht auf eine künstliche Hüftgelenkpfanne ähnlich der nach F i g. 1 und
F i g. 5 eine Seitenansicht nach F i g. 4.
Der Flansch 14 und die äußere Oberfläche der Hüftgelenkpfanne aus Kunststoff (Fig.2, 3) bilden einen spitzen Winkel zueinander. Der Flansch 14 ist (siehe Fig. 1) asymmetrisch ausgebildet Etwa über den halben Umfang des Randes ist der Flansch 14 breiter als über den restlichen Umfang.
Die künstliche Hüftgelenkpfanne 12 weist eine kugelförmige Aufnahmeöffnung 13 für einen Oberschenkelprothesenkopf auf. Als Material für diese Hüftgelenkpfanne 12 kann beispielsweise verdichtetes Polyäthylen gewählt werden; sie ist im Spritzgußverfahren herstellbar. Die mit Zement 21 ausgekleidete und durch Bearbeiten vorbereitete natürliche Pfanne nimmt die künstliche Hüftgelenkpfanne 12 satt auf; die Hüftgelenkpfanne 12 stützt sich mit ihrem Flansch 14 dabei am Hüftknochen 1 ab. Im Hüftknochen 1 ist nämlich die natürliche Hüftgelenkpfanne bearbeitet worden und besteht aus einem halbkugelförmigen Teil 10, das in eine Erweiterung 11 übergeht. Die künstliche Hüftgelenkpfanne 12 liegt bei 23 am Hüftknochen 1 an. Durch die Berührung zwischen dem Flansch 14 und der Wand der Erweiterung 11 ist die künstliche Hüftgelenkpfanne 12 gegen Hin- und Herbewegen festgelegt, so
4& daß ein Ablösen des Zementes 21 nicht zu befürchten ist. Außerdem verschließt der Flansch 14 den innen eingebrachten Zement 21, übt einen Druck auf den Zement 21 aus, so daß das satte Anliegen der künstlichen Hüftgelenkpfanne in dem ausgearbeiteten
•t5 Teil des Hüftknochens 1 gewährleistet ist. Da der Flansch 14 etwas elastisch ist kann überschüssiger Zement 24 austreten, der vor dem Abbinden zweckmäßig entfernt wird.
Der halbbiegsame Flansch 14 (siehe Fig. 1), der die beiden Lappen 15, 16 aufweist, kann dadurch seine asymmetrische Form erhalten, daß nur ein Lappen 26 (F i g. 4/5) vorgesehen ist.
Durch die am Flansch 14 vorgesehenen Schneidlinien 17 bis 20 (Fig. 1) hat der Arzt Richtlinien, wie er die Innenpfanne 12 zuschneiden kann. Wird die Pfanne in ein rechtes Hüftgelenk eingesetzt, dann wird das Rohteil entlang der Linie 19, und sofern das Hüftgelenk normal geformt ist, entlang der Linie 18 beschnitten. Für linke Hüftgelenke gelten sinngemäß die Linien 20 und 17.1st das Hüftgelenk größer als normal, dann kann der Schnitt zwischen den Linien 18 und 20 und der Kante der Lappen 15 und 16 liegen.
Hierzu 1 Blatt Zeichnungen

Claims (6)

Patentansprüche:
1. Hüftgelenkpfanne aus Kunststoff für eine Implantation mittels Knochenzement mit einer halbkugelförmigen äußeren Oberfläche und einer inneren halbkugelförmigen Aufnahmeöffnung, bei der am Rand ein ovaler Flansch anschließt, dadurch gekennzeichnet, daß der Flansch (14) mit der äußeren Oberfläche einen spitzen Winkel bildet und der Flansch (14) asymmetrisch breit geformt ist
2. Hüftgelenkpfanne nach Anspruch 1, Dadurch gekennzeichnet, daß der Flansch (14) etwa über den halben Umfang breiter als über den restlichen Umfang ist
3. Hüftgelenkpfanne nach Anspruch 2, dadurch gekennzeichnet, daß der breitere Flanschteil halbmondförmig ist
4. Hüftgelenkpfanne nach Anspruch 1, dadurch gekennzeichnet, daß der spitze Winkel zwischen dem Flansch (14) und der äußeren Oberfläche 40° bis 50° beträgt
5. Hüftgelenkpfanne nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Flansch (14) die Form von zwei diametral entgegengesetzten Lappen aufweist.
6. Hüftgelenkpfanne nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Flansch (14) mit Schneidlinien (17 bis 20) versehen ist.
DE2823306A 1977-05-30 1978-05-29 Hüftgelenkpfanne Expired DE2823306C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3038577 1977-05-30
GB30385/76A GB1563334A (en) 1977-05-30 1977-05-30 Acetabular proshesis

Publications (3)

Publication Number Publication Date
DE2823306A1 DE2823306A1 (de) 1978-12-07
DE2823306B2 DE2823306B2 (de) 1980-07-10
DE2823306C3 true DE2823306C3 (de) 1981-04-02

Family

ID=38324090

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2823306A Expired DE2823306C3 (de) 1977-05-30 1978-05-29 Hüftgelenkpfanne

Country Status (10)

Country Link
US (1) US4324006A (de)
JP (1) JPS5815138B2 (de)
AU (1) AU499978B1 (de)
CH (1) CH628239A5 (de)
DE (1) DE2823306C3 (de)
FR (1) FR2405699A1 (de)
GB (1) GB1563334A (de)
IE (1) IE46756B1 (de)
SE (1) SE433566B (de)
ZA (1) ZA782844B (de)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE449048B (sv) * 1979-07-10 1987-04-06 Charnley Surgical Inventions Hoftledsprotes av plastmaterial avsedd for implantation i en hoftledpanna
GB2086729B (en) * 1980-11-01 1984-03-21 Charnley Surgical Inventions Trimming aid for hip joint surgery
CH656526A5 (de) * 1982-10-05 1986-07-15 Sulzer Ag Kuenstliche hueftgelenkspfanne.
GB8303188D0 (en) * 1983-02-04 1983-03-09 Thackray C F Ltd Acetabular prostheses
CH662267A5 (de) * 1983-12-16 1987-09-30 Protek Ag Kuenstliche gelenkpfanne.
JPS60184965U (ja) * 1984-05-18 1985-12-07 日本ドア−チエツク製造株式会社 扉閉塞保持装置
DE3714468A1 (de) * 1986-05-15 1988-02-11 Orthoplant Endoprothetik Kuenstliche hueftgelenkspfanne
NL8700879A (nl) * 1987-04-14 1988-11-01 Jan Bernard Mullers Gewrichtsprothese en gewrichtsprotheseorgaan alsmede ring en komvormig element voor toepassing in een dergelijk gewrichtsprotheseorgaan.
US4904265A (en) * 1988-09-09 1990-02-27 Boehringer Mannheim Corporation Cementless acetabular implant
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DE2823306A1 (de) 1978-12-07
SE7805244L (sv) 1978-12-01
JPS5426098A (en) 1979-02-27
DE2823306B2 (de) 1980-07-10
IE780927L (en) 1978-11-30
FR2405699B1 (de) 1982-12-03
ZA782844B (en) 1979-05-30
SE433566B (sv) 1984-06-04
AU499978B1 (en) 1979-05-10
FR2405699A1 (fr) 1979-05-11
CH628239A5 (en) 1982-02-26
JPS5815138B2 (ja) 1983-03-24
GB1563334A (en) 1980-03-26
US4324006A (en) 1982-04-13
IE46756B1 (en) 1983-09-07

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