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Class Information
Number: 604/45
Name: Surgery > Means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) > Material introduced into and removed from body through passage in body inserted means > Body inserted conduit with separate ingress and egress passages > Having air or gas venting passage
Description: Subject matter wherein one of the channels or lumens is a passage for introducing gas or air into the body.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8529834 Blood/air mass exchange apparatus Sep. 10, 2013
8474449 Variable length pneumostoma management system for treatment of chronic obstructive pulmonary disease Jul. 2, 2013
8464708 Pneumostoma management system having a cosmetic and/or protective cover Jun. 18, 2013
8453637 Pneumostoma management system for treatment of chronic obstructive pulmonary disease Jun. 4, 2013
8453638 One-piece pneumostoma management system and methods for treatment of chronic obstructive pulmonary disease Jun. 4, 2013
8430094 Flexible pneumostoma management system and methods for treatment of chronic obstructive pulmonary disease Apr. 30, 2013
8425488 System and method for the simultaneous bilateral treatment of target tissues within the ears using a guide block structure Apr. 23, 2013
8419675 Applicator Apr. 16, 2013
8365722 Multi-layer pneumostoma management system and methods for treatment of chronic obstructive pulmonary disease Feb. 5, 2013
8366674 Rotate-to-advance catheterization system Feb. 5, 2013
8347880 Pneumostoma management system with secretion management features for treatment of chronic obstructive pulmonary disease Jan. 8, 2013
8336540 Pneumostoma management device and method for treatment of chronic obstructive pulmonary disease Dec. 25, 2012
8192404 Indwelling needle assembly Jun. 5, 2012
8177806 Dilation balloon having a valved opening and related catheters and methods May. 15, 2012
8114181 Reflux trap device Feb. 14, 2012
8062247 Triple lumen catheter Nov. 22, 2011
7959698 Smoke evacuation system Jun. 14, 2011
7857784 Medical instrument for suction and irrigation, and method for its production Dec. 28, 2010
7789946 Smoke evacuation system Sep. 7, 2010
7780650 Rotate-to-advance catheterization system Aug. 24, 2010
7766987 Apparatus and method for collection of particulate matter during percutaneous procedures Aug. 3, 2010
7682336 Gas assisted endoscopic applicator system Mar. 23, 2010
7488297 Blood collecting devices Feb. 10, 2009
7404807 Pediatric nasal gastric vent tube Jul. 29, 2008
7258712 Smoke evacuation system Aug. 21, 2007
7226423 Aspiration needle with venting feature Jun. 5, 2007
7207950 Aspiration needle with venting feature Apr. 24, 2007
7175612 Suction limiting device with variable control Feb. 13, 2007
7029465 Filter ampoule system Apr. 18, 2006
7025755 Medical suctioning apparatus and methods of use Apr. 11, 2006
6723065 Intraocular surgical apparatus Apr. 20, 2004
6689090 Perfusion apparatus and methods for pharmaceutical delivery Feb. 10, 2004
6471667 Medical suctioning methods Oct. 29, 2002
5724986 Casing and spirometer for metered dose inhaler Mar. 10, 1998
5674196 Device for introducing medical fluid into the human ear Oct. 7, 1997
5660796 Septum piercer and sample extractor for physiological specimens Aug. 26, 1997
5441482 Jet driven surgical suction device and method of using Aug. 15, 1995
5417664 Reflux containment device for nasogastric tubes May. 23, 1995
5318530 Gastrointestinal tube with inflatable bolus Jun. 7, 1994
5314409 Catheter for esophageal perfusion May. 24, 1994
5300022 Urinary catheter and bladder irrigation system Apr. 5, 1994
5279549 Closed ventilation and suction catheter system Jan. 18, 1994
5273751 Composition for preventing clouding of paosterior capsule after extracapsular cataract eye surgery and method of performing cataract surgery Dec. 28, 1993
5273523 Gastric tube with fluid injection adaptor Dec. 28, 1993
5120305 Method and apparatus for delivering or withdrawing fluids Jun. 9, 1992
5108364 Monitoring catheter for medical use Apr. 28, 1992
5024615 Surgical aspiration device Jun. 18, 1991
4900314 Collapse-resistant tubing for medical use Feb. 13, 1990
4888004 Method and apparatus for purging tubing network of blood processing system Dec. 19, 1989
4850393 All-plastic check valve Jul. 25, 1989

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