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Class Information
Number: 604/212
Name: Surgery > Means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) > Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin > Material introduced or removed through conduit, holder, or implantable reservoir inserted in body > Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir > Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) > Having collapsible material reservoir (e.g., squeeze bulb, etc.)
Description: Subject matter wherein the material is impelled to or from a resilient squeeze bulb or like collapsible material holder through a body inserted conduit.

Sub-classes under this class:

Class Number Class Name Patents
604/216 Bellows-type reservoir 59
604/213 Having means to prevent fluid return to reservoir 40
604/215 Having orifice occluding means 18
604/214 Mechanical means (e.g., piston, clamp, etc.) moved to collapse reservoir 40

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8690025 Dispensing container Apr. 8, 2014
8529532 Reduced pressure therapy devices Sep. 10, 2013
8414549 Anus cleaning apparatus Apr. 9, 2013
8377029 Drug solution filling plastic ampoule and process for producing the same Feb. 19, 2013
8366681 High flow volume nasal irrigation device and method for alternating pulsatile and continuous fluid flow Feb. 5, 2013
8366656 Syringe having a resilient part in order to facilitate an initial aspiration Feb. 5, 2013
8348906 Aspirator for pneumostoma management Jan. 8, 2013
8147461 Fluid dispensing device Apr. 3, 2012
8118780 Hydraulic remote for a medical fluid injector Feb. 21, 2012
7927324 Aspirator and method for pneumostoma management Apr. 19, 2011
7905865 Medicinal liquid supply apparatus having fixed-type medicinal liquid supply volume controller and arbitrary medicinal liquid supply volume controller Mar. 15, 2011
7892211 Closure container for single dose disposable pharmaceutical delivery system Feb. 22, 2011
7883660 Sterile package, process for producing the same, and production apparatus Feb. 8, 2011
7862548 Nasal irrigation device Jan. 4, 2011
7832601 Dispensing container with nipple dispensing head Nov. 16, 2010
7819845 Syringe plunger jacket with expandable seal Oct. 26, 2010
7695455 Delivery of a low volume liquid bolus Apr. 13, 2010
7686788 Catheter having a distal drug delivery unit and method of using same Mar. 30, 2010
7513397 Dispensing container Apr. 7, 2009
7487894 Dispensing container having contoured dispensing head Feb. 10, 2009
7475438 Portable bidet Jan. 13, 2009
7455656 Pill delivery system Nov. 25, 2008
7438704 Open instillation container and method of manufacturing the container Oct. 21, 2008
7300424 Aspirator and associated method Nov. 27, 2007
7250039 Compression bulb hypodermic syringe Jul. 31, 2007
7186235 Device for manipulating a needle or abrader array and method of use Mar. 6, 2007
7175609 Syringe and method of using Feb. 13, 2007
7144385 Discharging implement for medical care Dec. 5, 2006
7077826 Syringe and method of using Jul. 18, 2006
7011650 Multiple-dose syringe with collapsible container Mar. 14, 2006
6875201 Recessed part forming instillation container Apr. 5, 2005
6866857 Oxalipatinum preparation packaging Mar. 15, 2005
6719734 Anesthetic delivery tool and method of using Apr. 13, 2004
6712803 Drug dispensing system Mar. 30, 2004
6695822 Method and apparatus for performing sterile medical procedures Feb. 24, 2004
6652494 Unit dose low viscosity material dispensing system with easy loading Nov. 25, 2003
6620134 Syringes and injector systems with collapsible cartridges Sep. 16, 2003
6605064 Single-use syringe Aug. 12, 2003
6554822 Microbolus infusion pump Apr. 29, 2003
6517517 Automated injection device for administration of liquid medicament Feb. 11, 2003
6500156 Thumb-powered flushing device for catheters Dec. 31, 2002
6497686 Method and apparatus for performing sterile medical procedures Dec. 24, 2002
6485471 Bellowed fluid delivery apparatus Nov. 26, 2002
6383166 Plungerless syringe: method and apparatus May. 7, 2002
6332876 Compressible syringe Dec. 25, 2001
6319235 Syringe serving also as an ampule and associated equipment Nov. 20, 2001
6315761 Injection device with bellowed reservoir Nov. 13, 2001
6277100 Catheter guide wire introducing device and method Aug. 21, 2001
6258063 Hypodermic injection system Jul. 10, 2001
6258062 Enclosed container power supply for a needleless injector Jul. 10, 2001

1 2 3 4

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