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Class Information
Number: 604/247
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 for controlling material flow to or from body, or metering a predetermined dose or amount > Having fluid responsive means (e.g., check valve, etc.)
Description: Subject matter including means responsive to fluid pressure to control flow or meter amounts of material to or from body.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8684331 Valve for regulating the flow of a liquid Apr. 1, 2014
8679074 Pressure responsive slit valve assembly for a plurality of fluids and uses thereof Mar. 25, 2014
8672885 Fluid dispensing device Mar. 18, 2014
8657801 Switching device and an irrigation system comprising the device Feb. 25, 2014
8652110 Valve-equipped hand switch and chemical liquid introduction system Feb. 18, 2014
8640725 Connector for transferring fluid and method of use Feb. 4, 2014
8628514 Multi-dose medical fluid injection system having patient-specific tubing set with use indicator Jan. 14, 2014
8597258 Valved catheter Dec. 3, 2013
8591477 Fluid purge in a medical injection system Nov. 26, 2013
8591478 Reduced size implantable pump Nov. 26, 2013
8585697 Irrigated ablation catheter assembly having a flow member to create parallel external flow Nov. 19, 2013
8585660 Valved catheter with power injection bypass Nov. 19, 2013
8545446 Fluid mechanical device for improved secondary mode IV delivery Oct. 1, 2013
8540698 Fluid delivery system including a fluid path set and a check valve connector Sep. 24, 2013
8540685 Valved catheters including high flow rate catheters Sep. 24, 2013
8529524 Anti-drawback medical valve Sep. 10, 2013
8518019 Valve assembly including a dissolvable valve member Aug. 27, 2013
8518017 Self-cleaning suction device Aug. 27, 2013
8491540 Apparatuses, systems, and methods for managing liquid flow associated with a tissue site using the presence of reduced pressure Jul. 23, 2013
8486051 Drainage apparatus and method Jul. 16, 2013
8478385 Rotary medical manifold Jul. 2, 2013
8454574 Pressure activated safety valve with grooved membrane Jun. 4, 2013
8435218 Double balloon thrombectomy catheter May. 7, 2013
8425491 Retention element for telescopic device Apr. 23, 2013
8419693 Catheter with valve Apr. 16, 2013
8414543 Rotational thrombectomy wire with blocking device Apr. 9, 2013
8403909 Methods for capacitance volume correction in fluid delivery systems Mar. 26, 2013
8382720 Device for preventing a free catheter flow Feb. 26, 2013
8377010 Medical access device Feb. 19, 2013
8377011 Pressure activated valve with high flow slit Feb. 19, 2013
8360102 Multi-function valve for surgical instrument Jan. 29, 2013
8337470 Three-way valve for power injection in vascular access devices Dec. 25, 2012
8323255 Bowel management system Dec. 4, 2012
8323267 Infusion device with active and passive check valves Dec. 4, 2012
8308726 Electromagnetically controlled tissue cavity distending system Nov. 13, 2012
8273082 Irrigated ablation catheter assembly having a flow member to create parallel external flow Sep. 25, 2012
8267891 Gilled phacoemulsification irrigation sleeve Sep. 18, 2012
8257320 Multi-valve injection/aspiration manifold with needleless access connection Sep. 4, 2012
8257321 Pressure activated valve for high flow rate and pressure venous access applications Sep. 4, 2012
8251959 Leaf spring valve and cone membrane valve Aug. 28, 2012
8251945 Endoscopic suction device Aug. 28, 2012
8251099 Check valve Aug. 28, 2012
8251067 Bronchial flow control devices with membrane seal Aug. 28, 2012
8235946 Haemostatic valve Aug. 7, 2012
8231584 Contrast fluid delivery system Jul. 31, 2012
8211054 System and method for controlling administration of medical fluid Jul. 3, 2012
8211060 Reduced size implantable pump Jul. 3, 2012
8202266 Equipment for changing a catheter Jun. 19, 2012
8186384 Flow control apparatus and medical injection circuit using the same May. 29, 2012
8187234 Pressure activated safety valve with anti-adherent coating May. 29, 2012

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