Controlled force mallet

Details Controlled force mallet Controlled force mallet

1991-12-27

1994-02-01

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606100, A61F 232

Patent

active

052828050

ABSTRACT:
According to the invention there is provided surgical instrumentation for implanting an orthopedic prosthesis comprising a handle having opposed longitudinal ends and a head assembly situated at one end of the handle. The head assembly includes an external impact surface for transmitting force to an orthopedic instrument or prosthesis. A spring and sliding shaft arrangement are disposed within the head assembly for dampening the force from the impact surface. The head assembly is adjustable for varying the force absorbed by the spring and sliding shaft arrangement.

REFERENCES:
patent: 2421354 (1947-05-01), Reiter
patent: 2437014 (1948-03-01), Arnesen
patent: 2655921 (1953-10-01), Haboush
patent: 2725878 (1955-12-01), Reiter
patent: 3604487 (1971-09-01), Gilbert
patent: 3626935 (1971-12-01), Pollock
patent: 4140111 (1979-02-01), Morrill
patent: 4298074 (1981-11-01), Mattchen
patent: 4476861 (1984-10-01), Dimakos
patent: 4549319 (1985-10-01), Meyer
patent: 4901712 (1990-02-01), Voegell
patent: 5029496 (1992-07-01), Catania

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