Cutting and forming device

Details Cutting and forming device Cutting and forming device

2008-01-08

2008-01-08

Choi, Stephen (Department: 3724)

Surgery

Instruments

Orthopedic instrumentation

C606S103000, C030S240000

Reexamination Certificate

active

11233255

ABSTRACT:
A cutting and forming device includes an outer sleeve, an inner sleeve, and a housing. The outer sleeve has a longitudinal axis, a front end, a rear end, and a borehole having an borehole axis. The inner sleeve, can be rotated in the outer sleeve's borehole and includes a front end, a rear end, and a borehole having a borehole axis. The housing with a central axis has a front end, a rear end, and a cavity which accommodates the outer sleeve and passes through the housing parallel to the central axis. The front end of the inner sleeve has a circular cutting edge which is concentric with the borehole axis of the inner sleeve, and the borehole at the front end of the outer sleeve has a constriction whose longitudinal axis is parallel to the borehole axis of the outer sleeve.

REFERENCES:
patent: 2428650 (1947-10-01), Brunner
patent: 2951288 (1960-09-01), Holmes
patent: 2963785 (1960-12-01), Dilling
patent: 3315669 (1967-04-01), Rhodes
patent: 3370353 (1968-02-01), Bernard et al.
patent: 4051596 (1977-10-01), Hoffmann
patent: 5445641 (1995-08-01), Frigg et al.
patent: 5980547 (1999-11-01), Rinner
patent: 1277515 (1968-09-01), None
patent: 8708571 (1987-08-01), None
patent: 0928602 (1999-07-01), None

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