Irrigation/aspiration apparatus
AssigneeNidek Co., Ltd.
InventorsNobuo Suzuki, Ihdeo Oda
Life of this patent
Estimating the term…
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.
Claims8
An irrigation/aspiration 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, the apparatus comprising:
- 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.
An irrigation/aspiration 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, the apparatus comprising:
- 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,
- wherein a rib is provided on at least one of an inside wall and an outside wall of the diaphragm.
Dependencies are inferred from the claim text.