Peristaltic pump with air venting via the movement of a pump...

Details Peristaltic pump with air venting via the movement of a pump... Peristaltic pump with air venting via the movement of a pump...

2007-01-30

2007-01-30

Stashick, Anthony D. (Department: 3746)

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

C417S477700, C417S477110, C417S053000, C604S151000, C604S153000

Reexamination Certificate

active

10673859

ABSTRACT:
A peristaltic pump10for use in ophthalmic surgery includes a housing12, a pump head14having plurality of rollers16, a backing plate18attached to the housing12, and a length of surgical tubing50. The rollers16and backing plate18cooperate to pinch the length of surgical tubing50to peristaltically pump fluids from a surgical site to a collection bag64. At least one of the pump head14and the backing plate18is moveable, during operation of the pump10, from a tubing pinched position to a tubing vent position. This movement allows the tubing50to be vented by removing the pinched closure of the tubing50.

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