Irrigation/aspiration apparatus

Details Irrigation/aspiration apparatus Irrigation/aspiration apparatus

2005-02-01

2005-02-01

Mancene, Gene (Department: 3754)

Surgery

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

Material introduced into and removed from body through...

C604S035000, C604S067000, C604S151000

Reexamination Certificate

active

06849059

ABSTRACT:
An irrigation/aspiration apparatus capable of detecting an aspiration pressure accurately while preventing an aspirated liquid from entering an aspiration pressure detecting system. The apparatus, which supplies an irrigation liquid to a surgical site and aspirates the supplied liquid with eliminated tissue to be discharged out of a body, has an aspiration channel, a shape-alterable diaphragm in pouch form, including a liquid chamber which communicates with the aspiration channel, a gas chamber which stores and surrounds the diaphragm, and a pressure sensor connecting with the gas chamber via a connecting part.

REFERENCES:
patent: 3812855 (1974-05-01), Banko
patent: 4227420 (1980-10-01), Lamadrid
patent: 6491661 (2002-12-01), Boukhny et al.
patent: 6723065 (2004-04-01), Kishimoto
patent: 11-332904 (1999-12-01), None

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