Pneumatic impulse tool

Details Pneumatic impulse tool Pneumatic impulse tool

1992-02-19

1994-10-04

Brown, Michael A.

Surgery

Instruments

Orthopedic instrumentation

606 86, 606100, A61F 232, A61F 500

Patent

active

053522303

ABSTRACT:
A pneumatic inertia tool for applying a cyclic percussive force to an orthopedic article via a reciprocating shuttle comprising a passageway extending between a first port and a second port. The shuttle travels within the passageway and strikes an anvil, imparting its momentum to the orthopedic article. The mass of the shuttle and its velocity at impact are selected to fix a bone relative to the orthopedic article via the existing inertia of the bone. The shuttle reciprocates within the passageway by alternating pressure and vacuum forces applied at the first port and at the second port.

REFERENCES:
patent: 4399813 (1983-08-01), Bawber
patent: 4462395 (1984-07-01), Johnson
patent: 4476861 (1984-10-01), Dimakos
patent: 5057112 (1991-10-01), Sherman
patent: 5108400 (1992-04-01), Appel et al.
patent: 5171313 (1992-12-01), Salyor
MicroAire.RTM. Brochure, Feb. 1992.

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