Title:
DENTAL IMPLANT BOLT FASTENING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2016/111312
Kind Code:
A1
Abstract:
Provided is an implant with a locking function resulting from an eccentric interlocking structure. The implant is configured so that by providing an engaging shaft section 53, which is eccentric with respect to a threaded shaft 52, on the tip of an abutment screw 5 and engaging same with an engagement hole 45 provided deeper than a threaded hole 44 into which the abutment screw is screwed, the threaded shaft 52 is inclined and set off-center with respect to the threaded hole 44, thereby pressing a circumferential portion of the threaded shaft 52 firmly on the threaded hole 44 to store horizontal internal stress in the threaded shaft 52. By advancing the abutment screw 5 while maintaining the prevailing torque generated from said internal stress, said screw 5 can be fastened at a prescribed position.
Inventors:
WAKABAYASHI KATSUHIKO (JP)
Application Number:
PCT/JP2016/050237
Publication Date:
July 14, 2016
Filing Date:
January 06, 2016
Export Citation:
Assignee:
HARDLOCK INDUSTRY CO LTD (JP)
International Classes:
A61C8/00; F16B39/28
Foreign References:
| JP2014147431A | 2014-08-21 | |||
| JPH1037936A | 1998-02-13 | |||
| JPH09236109A | 1997-09-09 | |||
| JP2013511339A | 2013-04-04 |
Other References:
See also references of EP 3243480A4
Attorney, Agent or Firm:
PROWESS IP PARTNERS (JP)
Patent business corporation Preuss IP partners (JP)
Patent business corporation Preuss IP partners (JP)
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