Liquid purification or separation – Filter – With pump – gas pressure – or suction source
Patent
1995-09-15
1997-05-20
Nessler, Cynthia L.
Liquid purification or separation
Filter
With pump, gas pressure, or suction source
210448, 433 92, 604319, 604406, B01D 3502
Patent
active
056309392
ABSTRACT:
A filter assembly for elective use in conjunction with a surgical evacuation system is provided which includes a filter housing having a head portion and a body portion with a through passageway extending therebetween defining a filter receiving chamber. The head portion is connectable to an aspirator tip and the body portion is connectable to a flexible suction conduit. A filter element is disposed within the filter receiving chamber of the filter housing. The filter element includes a head member having a fluid flow passageway extending therethrough, a fluid impermeable base member spatially disposed from the head member and a fluid permeable body member disposed between the head member and the base member. The head member has a diameter greater than the base so that a portion of the head member extends outwardly from the body portion of the filter housing to enhance removal of the filter element and a second portion of the head member forms a substantially fluid-tight seal with the body portion of the filter housing.
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Bulard Ronald A.
Gillespie Edward S.
Imtec Corporation
Nessler Cynthia L.
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