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EP0774937A1 - Articulation artificielle, utile notamment pour remplacer l'articulation de la hanche humaine - Google Patents

Articulation artificielle, utile notamment pour remplacer l'articulation de la hanche humaine

Info

Publication number
EP0774937A1
EP0774937A1 EP95929817A EP95929817A EP0774937A1 EP 0774937 A1 EP0774937 A1 EP 0774937A1 EP 95929817 A EP95929817 A EP 95929817A EP 95929817 A EP95929817 A EP 95929817A EP 0774937 A1 EP0774937 A1 EP 0774937A1
Authority
EP
European Patent Office
Prior art keywords
joint
socket
pressure distribution
head
distribution body
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.)
Withdrawn
Application number
EP95929817A
Other languages
German (de)
English (en)
Inventor
Dietmar Kubein-Meesenburg
Hans NÄGERL
Peter Adam
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.)
Kubein-Meesenburg Dietmar Prof Dr
Nagerl Hans Dr
Theusner Joachim Dr
Original Assignee
Kubein-Meesenburg Dietmar Prof Dr
Nagerl Hans Dr
Theusner Joachim Dr
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 Kubein-Meesenburg Dietmar Prof Dr, Nagerl Hans Dr, Theusner Joachim Dr filed Critical Kubein-Meesenburg Dietmar Prof Dr
Publication of EP0774937A1 publication Critical patent/EP0774937A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
    • A61F2002/30324—The prosthesis having different structural features at different locations within the same prosthesis differing in thickness
    • 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
    • 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
    • A61F2002/3208—Bipolar or multipolar joints, e.g. having a femoral head articulating within an intermediate acetabular shell whilst said shell articulates within the natural acetabular socket or within an artificial outer 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
    • A61F2/32—Joints for the hip
    • A61F2/34—Acetabular cups
    • A61F2002/345—Acetabular cups the inner and outer (hemi)spherical surfaces of a shell, e.g. an intermediate shell, having distinct centres of rotation, both located on the centre line of the 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
    • A61F2/32—Joints for the hip
    • A61F2/34—Acetabular cups
    • A61F2002/348—Additional features
    • A61F2002/349—Shell having a wavy or undulated peripheral rim
    • 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
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3611—Heads or epiphyseal parts of femur
    • 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
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625—Necks
    • A61F2002/3631—Necks with an integral complete or partial peripheral collar or bearing shoulder at its base
    • 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
    • A61F2250/0036—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 thickness

Definitions

  • the present invention relates to an artificial joint, in particular for replacing the human hip joint, consisting of a joint head with a convex, circular cutting contour with the center M x and the radius R and an articular socket with a concave, circular cutting contour and the center M 2 and the Radius R 2 and a pressure distribution body slidably arranged between these two on their functional surfaces, the adjoining sliding surfaces of which have a curvature adapted to the functional surfaces, and the pressure distribution body has a thickness d on the connecting line of the centers of rotation M, and M 2 of the two circular cutting contours of the joint head and has the socket.
  • the radii R 2 and R x are dimensioned such that R 2 > R L + d.
  • the object of the present invention is to improve the artificial joint described at the outset in such a way that the pressure distribution body cannot be dislodged from the joint socket. At the same time, however, easy assembly of the artificial joint, in particular when it is inserted into the human body, is to be ensured.
  • the joint socket has a circumferential edge such that the artificial joint has a swivel range of the joint head in its frontal plane perpendicular to the main functional direction, which is less than 180 °, preferably approximately 120 °.
  • this limitation of the swivel range is brought about by the fact that, in deviation from the equatorial circumferential line of the joint socket, the pan edge has at least one preferably wave-shaped elevation in the frontal plane, in particular two diametrically opposite elevations above the circumferential line.
  • the freedom of movement of the disc in the main functional direction is thus greater than in the plane perpendicular to it, ie in the frontal plane.
  • a slot is formed in the two wave-shaped, diametrically opposite elevations of the joint socket according to the invention, which enables the pressure distribution body to be inserted into the joint socket during the operations. This insertion through the slot takes place with one movement and in one position of the disc, which the disc can no longer carry out or assume after the articulated head has been attached.
  • the joint socket has a peripheral edge such that the joint has a swivel range greater than or equal to 180 ° in its main functional direction.
  • the expansion of the swivel range is advantageously achieved in that the joint socket, in deviation from its equatorial circumferential line based on a semicircular cutting contour, has such a socket edge profile that at least one, in particular, wave-shaped indentation is provided in the area between the two elevations in the main functional direction plane .
  • two diametrically opposed indentations are formed.
  • indentations also allow the pressure distribution body to be inserted into the joint socket if the disc, which is advantageous, coincides with its outer radius with the inner radius of the joint socket and is thus drawn up to approximately the equatorial circumferential line of the joint socket.
  • FIG. 1 is a perspective view of an artificial joint according to the invention in the unmounted state
  • FIG. 3 shows a perspective view of a pressure distribution body
  • FIG. 4 shows a section through an acetabular cup according to FIG. 2 with an inserted pressure distribution body
  • Fig. 5 shows a section through an inventive joint in its functional position.
  • the joint head 1 has a convex, circular cutting contour, so that a joint head ball is formed which is flattened in the region of its shaft attachment la.
  • the socket 2 also has a " circular sectional contour, so that a shell-shaped shell body with a semicircular cross section is formed. This shell body has an equatorial circumferential line X.
  • the pressure distribution body 3 is designed such that its sliding surfaces 6, 7 rest against the functional surfaces 4, 5, ie the functional surface 4 of the socket 2 and the functional surface 5 of the joint head 1, so that its sliding surfaces 6, 7 rest against the functional
  • RSATZBUTT RULE26 surfaces 5 have appropriately adapted curvature.
  • the joint head 1 has, see FIG. 5, the rotation center M 2 and the radius R ⁇ and the joint socket 2 has the rotation center M 2 and the radius R 2 .
  • the pressure distribution body 3 has a thickness d on the connecting line of M 1 and M 2 .
  • the joint parts designed in this way form a dimeric joint chain with two joint axes through M : and M 2 in the inserted state, the radius R of the joint axis path resulting from the relationship
  • R R 2 - R 1 - d, where R 2 > R : + d,
  • This design of the artificial joint requires a pressure-stable joint behavior in every bending or swiveling position of the joint head 1.
  • the socket 2 has a peripheral edge 8 such that the joint according to the invention has a swivel range in its frontal plane Z-Z perpendicular to the main functional direction Y-Y, which is less than 180 °, preferably approximately 120 °.
  • the pan edge 8 deviating from the equatorial circumferential line X in the frontal plane Z-Z, has at least one in particular wave-shaped elevation 9, preferably two diametrically opposite, wave-shaped elevations 9.
  • the joint according to the invention has a swivel range greater than 180 ′′ in its main functional direction Y-Y
  • the pressure distribution body 3 advantageously has an outer radius which, apart from an existing lubrication clearance, corresponds to the radius R 2 , ie the inner radius of the socket 2. 4 shows how the pressure distribution body 3 can be inserted into the joint socket 2 through the slot formed between the wave-shaped elevations 9 in the area of the wave-shaped indentations 10.
  • the disc or pressure distribution body 3 cannot luxie in the event of a possible dislocation of the joint head 1 from the socket 2 ren.
  • the joint parts according to the invention are dimensioned such that the diameter of the joint head 1 is smaller than the distance between the opposing wave-shaped elevations 9, so that the joint head 1 can be used in any case from the open side of the socket 2.
  • the joint head 1 is covered up to the equator XX by the disc, ie by the pressure distribution body 3, in which the pressure distribution body 3 is raised circumferentially by a section 11 up to the equator.
  • the pressure distribution body 3 can be expanded cylindrically in the region of section 11 towards the joint head 1. This additionally complicates luxation of the joint head 1 with respect to the pressure distribution body 3.
  • the present invention is not limited to the embodiment shown. It may be possible within the scope of the invention if the limitation of the pivoting range of the joint head 1 in the frontal plane is realized by a coupling part which can be screwed onto the socket 2.

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)

Abstract

Une articulation artificielle, utile notamment pour remplacer l'articulation de la hanche humaine, comprend une tête articulaire (1) avec un contour circulaire convexe, une cavité articulaire (2) avec un contour circulaire concave et un corps (3) de répartition de la pression monté de manière à glisser entre ces deux surfaces fonctionnelles. Les surfaces de glissement du corps (3) en contact avec les surfaces fonctionnelles ont une courbure adaptée à la courbure des surfaces fonctionnelles. Le corps (3) de répartition de la pression présente une épaisseur (d) le long de la ligne qui relie les centres de rotation des deux contours circulaires de la tête articulaire (1) et de la cavité articulaire (2). La plage de pivotement de la tête articulaire (1) dans le plan frontal Z-Z perpendiculaire à la direction principale de fonctionnement Y-Y est inférieure à 180°, de préférence égale à 120° environ.
EP95929817A 1994-08-11 1995-08-08 Articulation artificielle, utile notamment pour remplacer l'articulation de la hanche humaine Withdrawn EP0774937A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4428407 1994-08-11
DE19944428407 DE4428407A1 (de) 1994-08-11 1994-08-11 Künstliches Gelenk, insbesondere zum Ersatz des menschlichen Hüftgelenks
PCT/EP1995/003146 WO1996004866A1 (fr) 1994-08-11 1995-08-08 Articulation artificielle, utile notamment pour remplacer l'articulation de la hanche humaine

Publications (1)

Publication Number Publication Date
EP0774937A1 true EP0774937A1 (fr) 1997-05-28

Family

ID=6525413

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95929817A Withdrawn EP0774937A1 (fr) 1994-08-11 1995-08-08 Articulation artificielle, utile notamment pour remplacer l'articulation de la hanche humaine

Country Status (4)

Country Link
EP (1) EP0774937A1 (fr)
AU (1) AU3343495A (fr)
DE (1) DE4428407A1 (fr)
WO (1) WO1996004866A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2117460C1 (ru) * 1997-08-14 1998-08-20 Акционерное общество открытого типа "Санкт-Петербургский институт огнеупоров" Эндопротез тазовой кости с тазобедренным суставом
FR2793674B1 (fr) * 1999-05-19 2001-10-19 Olivier Himmer Implant cotyloidien medialise et a noyau mobile
DE60108479T2 (de) * 2000-03-14 2006-03-23 Smith & Nephew, Inc., Memphis Variable geometrie des randabstandstückes einer gelenkpfanne
US7682398B2 (en) 2000-03-14 2010-03-23 Smith & Nephew, Inc. Variable geometry rim surface acetabular shell liner
AU783205C (en) 2000-03-15 2006-08-17 Depuy Orthopaedics, Inc. Prosthetic cup assembly which includes components possessing self-locking taper
ES2286131T3 (es) * 2000-07-31 2007-12-01 Massachusetts General Hospital Componente acetabular monopolar constreñido.
US7695521B2 (en) * 2001-05-01 2010-04-13 Amedica Corporation Hip prosthesis with monoblock ceramic acetabular cup
US7326253B2 (en) 2001-11-16 2008-02-05 Depuy Products, Inc. Prosthetic cup assembly having increased assembly congruency
FR2845890B1 (fr) * 2002-10-18 2005-07-08 Dedienne Sante Implant cotyloidien de prothese de hanche
DE10304102A1 (de) * 2003-01-31 2004-08-12 Ceram Tec Ag Innovative Ceramic Engineering Hüftgelenkprothese
FR2850861B1 (fr) * 2003-02-12 2005-09-30 Ortho Id Systeme d'implants a triple articulation de type spherique pour membre superieur ou inferieur
GB0321582D0 (en) 2003-09-15 2003-10-15 Benoist Girard Sas Prosthetic acetabular cup and prosthetic femoral joint incorporating such a cup
EP1781214B1 (fr) 2004-08-09 2020-06-03 Ortho - I.D. Sarl Système d'implants à triple articulation du type sphérique pour membre supérieur ou inférieur
WO2008063500A1 (fr) * 2006-11-13 2008-05-29 Lewis Ralph H Amplitude articulaire accrue, prothèse de hanche à contrainte
DE102006062618A1 (de) * 2006-12-29 2008-07-03 Plus Orthopedics Ag Hüftgelenkprothese
US8123815B2 (en) 2008-11-24 2012-02-28 Biomet Manufacturing Corp. Multiple bearing acetabular prosthesis
EP3202372B1 (fr) * 2009-07-10 2023-10-25 Implantica Patent Ltd. Dispositif d'articulation de la hanche
US8308810B2 (en) 2009-07-14 2012-11-13 Biomet Manufacturing Corp. Multiple bearing acetabular prosthesis
WO2024124282A1 (fr) * 2022-12-14 2024-06-20 David Kirwan Prothèse de hanche à double mobilité

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FR2413078A1 (fr) * 1978-01-03 1979-07-27 Serole Michelle Prothese de hanche a comportement physiologique et cupule autostable
DE2829676A1 (de) * 1978-07-06 1980-01-24 Gmt Medizinische Technik Gmbh Endoprothese
US4524467A (en) * 1983-11-21 1985-06-25 Joint Medical Products Corp. Apparatus for constraining a socket bearing in an artificial joint
DE3908958C2 (de) * 1989-03-18 1996-09-12 Kubein Meesenburg Dietmar Künstliches Gelenk
US5044422A (en) * 1990-10-01 1991-09-03 Lenker Charles A Cryogenic processing of orthopedic implants
DE9101766U1 (de) * 1991-02-15 1991-07-04 Blencke, Bernd-August, Prof.Dr.med.habil., 3436 Hessisch Lichtenau Künstliche Hüftgelenkspfanne
DE4140838C1 (fr) * 1991-12-11 1993-05-06 Dietmar Prof. Dr. 3350 Kreiensen De Kubein-Meesenburg
DE9312150U1 (de) * 1993-08-13 1993-10-28 Tschirren & Co., Muri Gelenkprothese, insbesondere für ein Hüft- oder Schultergelenk

Non-Patent Citations (1)

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Title
See references of WO9604866A1 *

Also Published As

Publication number Publication date
WO1996004866A1 (fr) 1996-02-22
DE4428407A1 (de) 1996-02-15
AU3343495A (en) 1996-03-07

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