Implantable fixing device for extraoral applications
First Claim
1. An implantable fixing device for extraoral applications comprising an implant post and a basic structure, said basic structure having two ends and being implantable in a bone and having a cylindrical outer surface provided with a helix, said basic structure having an axial bore extending inward from one of the two ends of the basic structure, said implant post being connectible to the basic structure by having a portion inserted in said axial bore, said implant post having a fixing means for engaging material, said helix being arranged close to an upper edge of the one end of the basic structure and extending over a maximum of 1.5 revolutions on the basic structure with a pitch of between 1 and 2 so that the other end of the two ends of the structure is free of said helix, and an upper end of the bore having radially extending blind bores for receiving a special wrench for inserting and removing the basic structure.
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Accused Products
Abstract
An implantable fixing device for extraoral applications includes a basic structure implantable in the bone and having either a thread-pressing or a thread-cutting helix, and an implant post being connectible to the basic structure by being inserted in an axial bore therein.
164 Citations
24 Claims
- 1. An implantable fixing device for extraoral applications comprising an implant post and a basic structure, said basic structure having two ends and being implantable in a bone and having a cylindrical outer surface provided with a helix, said basic structure having an axial bore extending inward from one of the two ends of the basic structure, said implant post being connectible to the basic structure by having a portion inserted in said axial bore, said implant post having a fixing means for engaging material, said helix being arranged close to an upper edge of the one end of the basic structure and extending over a maximum of 1.5 revolutions on the basic structure with a pitch of between 1 and 2 so that the other end of the two ends of the structure is free of said helix, and an upper end of the bore having radially extending blind bores for receiving a special wrench for inserting and removing the basic structure.
Specification