Vacuum surge suppressor for surgical aspiration systems

Details Vacuum surge suppressor for surgical aspiration systems Vacuum surge suppressor for surgical aspiration systems

2011-03-29

2011-03-29

Lucchesi, Nicholas D (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S031000, C604S034000, C604S035000, C604S048000, C604S118000, C604S119000, C604S246000

Reexamination Certificate

active

07914482

ABSTRACT:
An apparatus and method to suppress vacuum surges in a surgical aspiration system is disclosed and claimed. A vacuum surge suppressor includes a first fluid path for coupling to a surgical instrument, and a filter attached to the first fluid path. A flow restrictor is coupled to the filter with the filter disposed upstream of the flow restrictor. The vacuum surge suppressor also includes a second fluid path for coupling to a vacuum pump. The second fluid path is connected to the flow restrictor and disposed downstream of the flow restrictor. The second fluid path defines a path internal pressure. A third fluid path is coupled to the filter and is connected to the second fluid path, bypassing the flow restrictor. A valve in the third fluid path obstructs flow in the third fluid path in response to the path internal pressure.

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