US 12,337,102 B2
Filter cartridge assemblies
Mikiya Silver, New Haven, CT (US); Michael Kane, Clinton, CT (US); Michael Augelli, Prospect, CT (US); Michael Funk, Broomfield, CO (US); Joseph Allen, Bloomfield, CO (US); and Mahesh Krishnamoorthy, Parker, CO (US)
Assigned to Conmed Corporation, Largo, FL (US)
Filed by Conmed Corporation, Utica, NY (US)
Filed on Oct. 25, 2021, as Appl. No. 17/509,203.
Application 17/509,203 is a continuation in part of application No. 15/988,702, filed on May 24, 2018, granted, now 11,185,644.
Claims priority of provisional application 62/527,553, filed on Jun. 30, 2017.
Prior Publication US 2022/0040419 A1, Feb. 10, 2022
Int. Cl. A61M 13/00 (2006.01); B01D 46/00 (2022.01); B01D 46/12 (2022.01); B01D 46/52 (2006.01); B01D 46/62 (2022.01)
CPC A61M 13/006 (2014.02) [B01D 46/0008 (2013.01); B01D 46/0031 (2013.01); B01D 46/12 (2013.01); B01D 46/521 (2013.01); B01D 46/62 (2022.01); A61M 2205/126 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A filter cartridge for a surgical gas delivery system comprising:
a) a housing having a front end and a rear end and defining a first interior flow path extending from a first inlet at the rear end of the housing to a first outlet at the front end of the housing, and a second interior flow path extending from a second inlet at the front end the housing to a second outlet at the rear end of the housing;
b) a first pleated filter element operatively associated with the first interior flow path;
c) a second pleated filter element operatively associated with the second interior flow path; and
d) a carbon filter disc operatively associated with the second interior flow path, positioned in abutment with a downstream surface of the second pleated filter element relative to a direction of flow through the second interior flow path, wherein an outer peripheral surface of the second pleated filter element and an outer peripheral surface of the carbon filter disc are in contact with and bounded by a common interior peripheral wall of the housing, and wherein the second pleated filter element is the first filter element in the second interior flow path relative to the direction of flow through the second interior flow path and the carbon filter disc is the second filter element in the second interior flow path relative to the direction of flow through the second interior flow path.