Gas separation – Combined or convertible
Reexamination Certificate
2004-09-15
2009-10-06
Hopkins, Robert A (Department: 1797)
Gas separation
Combined or convertible
C055S385200, C055S385400, C055S467000, C055S473000, C055S485000, C604S319000, C604S322000, C604S902000
Reexamination Certificate
active
07597731
ABSTRACT:
The present invention broadly comprises a multiport filter having at least three intake ports and at least two layers—a first layer for containing particles 3 microns or greater and a second layer that contains particles 3 microns or less in size. In alternate embodiments, the filter includes a third layer for trapping odors and gases and a fourth layer for trapping fines. The second layer may be comprised of ULPA material and may have antimicrobial material.The invention also includes a contaminant removal system for the filtering and recirculation of air contaminated with smoke from cautery-type surgical procedures.The invention also broadly comprises a surgical assemblies control service head designed to house powered surgical devices and a vacuum-filtering system for the treatment of air contamination caused by surgical procedures.
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Dean Robert O.
Kajdas Jay T.
Moehlau Earnest
Palmerton Christopher A.
Palmerton Daniel
Hopkins Robert A
Medtek Devices, Inc.
Pham Minh-Chau T
Phillips Lytle LLP
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