Reciprocating liposuction device

Details Reciprocating liposuction device Reciprocating liposuction device

1995-12-21

2000-09-05

Coggins, Wynn Wood

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604121, 604542, A61M 100

Patent

active

061135690

ABSTRACT:
Apparatus is disclosed for performing liposuction in which the reciprocal motion of the cannula during the operation is automated. The apparatus includes a housing, a cannula and reciprocating arrangement to provide the motion for the cannula. In one arrangement, the suction being applied to the cannula to remove fatty tissue has the negative pressure created by the suction applied to the cannula to reciprocate it. In a second embodiment, a permanent magnet piston attached to the cannula is reciprocated by the use of electromagnets which simultaneously change polarity to apply a reciprocating force to the permanent magnet piston.

REFERENCES:
patent: 4909249 (1990-03-01), Akkas
patent: 4940468 (1990-07-01), Petillo
patent: 4985027 (1991-01-01), Dressel
patent: 4986827 (1991-01-01), Akkas et al.
patent: 5102410 (1992-04-01), Dressel
patent: 5275607 (1994-01-01), Lo et al.
patent: 5352194 (1994-10-01), Greco et al.

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