Trephine assembly

Details Trephine assembly Trephine assembly

1986-05-28

1990-04-03

Rosenbaum, C. Fred

Surgery

Instruments

Cutting, puncturing or piercing

606179, A61F 1732

Patent

active

049131435

ABSTRACT:
A hollow trephine cutter unit capable of disassembly to provide damage-free access to the collected sample or to permit size changes of the cutting element. Disassembly by sliding movement of one element of the apparatus with respect to the other and multiple torque transmission paths between prime mover and cutting element are also disclosed. Multiple function use of the prime mover chuck and easy cutter unit disassembly despite the presence of organic fouling are also provided.

REFERENCES:
patent: 2919692 (1960-01-01), Ackermann
patent: 3605721 (1971-09-01), Hallac
patent: 3628524 (1971-12-01), Jamshidi
patent: 3893445 (1975-07-01), Hofsess
patent: 3913566 (1975-10-01), Lacey
patent: 4099518 (1978-07-01), Baylis et al.
patent: 4122855 (1978-10-01), Tezel
patent: 4142517 (1979-03-01), Stavropoulos et al.
patent: 4262676 (1981-04-01), Jamshidi
patent: 4306570 (1981-12-01), Matthews
patent: 4341206 (1982-07-01), Perrett et al.
patent: 4600014 (1986-07-01), Beraha

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