Apparatus and method for dispensing and aspirating high viscosit

Details Apparatus and method for dispensing and aspirating high viscosit Apparatus and method for dispensing and aspirating high viscosit

1993-05-06

1994-07-12

Yasko, John D.

Surgery

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

Material introduced into and removed from body through...

128DIG1, A61M 100

Patent

active

053284593

ABSTRACT:
High viscosity materials are dispensed or aspirated by an assembly of cartridges having plungers reciprocally mounted within them. A device for translating rotary motion into linear motion is connected to the output shaft of a small electric motor so that operation of the motor effects linear movement of the plungers. The assembly replaces hydraulic and pneumatic systems and enables better control of the dispensing or aspirating process. In a first embodiment, a single cartridge dispenses a high viscosity material. In additional embodiments, plural cartridges are employed. In the final embodiments, the apparatus is equipped with a suitable assembly of one-way valves and other auxiliary equipment so that it can be used to perform liposuction or aspiration procedures and irrigation of surgical sites.

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