EP 0764007 A1 19970326 - INSTRUMENT FOR PREPARING CAVITIES IN BONES
Title (en)
INSTRUMENT FOR PREPARING CAVITIES IN BONES
Title (de)
WERKZEUG ZUM PRÄPARIEREN VON HOHLRÄUMEN IN KNOCHEN
Title (fr)
INSTRUMENT PERMETTANT DE FORMER DES CAVITES DANS DES OS
Publication
Application
Priority
- DE 9501829 W 19951215
- DE 4444856 A 19941216
- DE 19528242 A 19950801
Abstract (en)
[origin: WO9618354A2] The present invention concerns a device and a process for preparing cavities in bone spongiosa for receiving implants. In order to create an instrument which will improve the primary stability, and thus in general also the durability, of subsequent implants, it is proposed that the instrument should comprise a threaded section (3), preferably slightly conical in shape, and a head (2) for rotating the instrument (1); the enveloping surface of the threaded section, in particular its approximately conical shape, the shape and inclination of the thread flanks, the transition radii between adjacent thread flanks, and the surface structure of the threaded section (3) are all so designed as to ensure that wall material from the bone cavity is forced principally towards the outside in a radial direction and as little bone material as possible is removed by the action of the threaded profile.
IPC 1-7
IPC 8 full level
A61C 8/00 (2006.01)
CPC (source: EP)
A61C 8/0022 (2013.01); A61C 8/0089 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK FR GB IT LI LU NL SE
DOCDB simple family (publication)
WO 9618354 A2 19960620; WO 9618354 A3 19960822; AU 4326496 A 19960703; EP 0764007 A1 19970326
DOCDB simple family (application)
DE 9501829 W 19951215; AU 4326496 A 19951215; EP 95942029 A 19951215