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1. (WO1997018775) IMPLANT AS BONE PROSTHESIS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1997/018775 International Application No.: PCT/EP1996/005018
Publication Date: 29.05.1997 International Filing Date: 15.11.1996
Chapter 2 Demand Filed: 21.06.1997
IPC:
A61F 2/00 (2006.01) ,A61F 2/30 (2006.01) ,A61F 2/36 (2006.01) ,A61L 27/56 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
02
Prostheses implantable into the body
30
Joints
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
02
Prostheses implantable into the body
30
Joints
32
for the hip
36
Femoral heads
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
27
Materials for prostheses or for coating prostheses
50
Materials characterised by their function or physical properties
56
Porous or cellular materials
Applicants:
ESKA IMPLANTS GMBH & CO. [DE/DE]; Grapengiesserstrasse 34 D-23556 Lübeck, DE (AllExceptUS)
GRUNDEI, Hans [DE/DE]; DE (UsOnly)
Inventors:
GRUNDEI, Hans; DE
Agent:
FUCHS MEHLER WEISS; Abraham-Lincoln-Strasse 7 D-65189 Wiesbaden, DE
Priority Data:
195 43 530.322.11.1995DE
Title (DE) IMPLANTAT ALS KNOCHENERSATZ
(EN) IMPLANT AS BONE PROSTHESIS
(FR) IMPLANT SERVANT DE PROTHESE OSSEUSE
Abstract:
(DE) Es wird ein Implantat als Knochenersatz mit einer seine Oberfläche zumindest teilweise bedeckenden offenmaschigen, dreidimensionalen Struktur beschrieben, welche gebildet ist aus Partikeln, die mit einer Basisstruktur (1) des Implantates verbunden sind und aus radial voneinander abgehenden vier bis acht Zapfen (3) bestehen, von denen wenigstens drei mit der Basisstruktur verbunden sind. Es wird vorgeschlagen, daß die Enden (7) der zumindest frei von der Basisstruktur (1) abragenden Zapfen (3) Hinterschnitte (8) ausbilden und eine nach außen hin abgerundete Oberfläche aufweisen.
(EN) The disclosure relates to an implant as bone prosthesis with an open-mesh three-dimensional structure at least partially covering its surface. Said structure is formed from particles which are joined to a base structure (1) of the implant and consist in each case of four to eight studs (3) which diverge radially from one another, at least three of these studs being joined to the base structure. It is proposed that the ends (7) of the studs (3) which diverge freely away from the base structure (1) should form undercuts (8) and have an outwardly rounded surface.
(FR) L'invention concerne un implant servant de prothèse osseuse présentant une structure tridimensionnelle à mailles ouvertes recouvrant au moins partiellement sa surface. Cette structure est constituée de particules liées à une structure de base (1) de l'implant et composées de quatre à huit tenons (3) divergeant les uns des autres dans le sens radial, dont trois au moins sont liés à la structure de base. Il est prévu que les extrémités (7) des tenons (3) qui divergent de manière saillante de la structure de base (1) forment des contre-dépouilles (8) et présentent une surface arrondie en direction de l'extérieur.
Designated States: JP, US
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
ES2179217EP0868157US6149689JP2000500997