Gear drive for implant connector

Details Gear drive for implant connector Gear drive for implant connector

1995-09-25

1997-08-26

Lucchesi, Nicholas D.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433174, A61C 800

Patent

active

056605455

ABSTRACT:
An abutment for use in connecting a prosthesis to an implant member is provided with an opening in the rear wall thereof within which a pinion gear is mounted in a suitable rotational seal. The pinion gear is provided with a drive socket accessible from the exterior of the abutment such that the pinion gear may be rotated with an appropriate tool. The pinion gear is mated to a bevel gear formed on an annular flange of a retaining screw such that rotation of the pinion gear by the appropriate tool results in proportional rotation of the bevel gear. The retaining screw has a threaded portion and which engages an internally threaded portion of the implant member or of the abutment.

REFERENCES:
patent: 2644231 (1953-07-01), Brennan
patent: 3579829 (1971-05-01), Sampson
patent: 5071345 (1991-12-01), Rosen
patent: 5073111 (1991-12-01), Daftary

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