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| Number | Title | Issue Date |
| 8137083 | Infusion pump actuators, system and method for controlling medical fluid flowrate An infusion pump includes an actuator having an output shaft; a pump actuator having a length (lactuator) moved by the output shaft and in contact with tubing, such that the pump actuator at an output shaft actuated distance (x) creates flat contact areas... | 03/20/2012 |
| 8105056 | Aerating bag An aerating bag has a body, a connector, a check valve and an intake valve. The body has a connecting tube, a mounting tube and a chamber. The chamber communicates with the connecting tube and the mounting tube. The connector is detachably connected to the body and ... | 01/31/2012 |
| 8087910 | Chemical liquid supplying apparatus A chemical liquid supplying apparatus 10 has a bellows 11, which includes a small-size bellows portion 13, a large-size bellows portion 14 with a larger volume change per axial-directional unit displacement amount than that of the small-s... | 01/03/2012 |
| 8029253 | Finger-type peristaltic pump The invention provides a finger-type peristaltic pump (2) having a body (4) and a housing (6). The body contains two or more finger-type valves (16) and a processor (22) configured to operate the valves according to a predetermined... | 10/04/2011 |
| 7955061 | Priming pump for a circuit subjecting said pump to an outlet pressure greater than an inlet pressure The invention provides a priming pump comprising a deformable envelope associated with an inlet endpiece and an outlet endpiece each fitted with a moving valve member, the endpieces being arranged in such a manner that when the valve members are in the closed positi... | 06/07/2011 |
| 7484942 | Priming pump for a circuit subjecting said pump to an outlet pressure greater than an inlet pressure The invention provides a priming pump comprising a deformable envelope associated with an inlet endpiece and an outlet endpiece each fitted with a moving valve member, the endpieces being arranged in such a manner that when the valve members are in the closed positi... | 02/03/2009 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7351235 | Snivel removing device A snivel removing device includes a housing having a partition to form two chambers and an outlet port and an inlet port communicating with the chambers. One or more bladders are attached to the housing, and communicating with the chambers, and compressible and expa... | 04/01/2008 |
| 7316336 | Quantitative dosing of small amounts of liquids The invention relates to quantitative dosing of small amounts of liquids having a volume of microliter or nanoliter order. Such a dosing technique is useful for instance for productive serial dosing in applications of clinical chemistry. In dosing device of the inve... | 01/08/2008 |
| 7272533 | Diagnostic device for a fluidic device and a fluidic device equipped therewith The invention pertains to a diagnostic device for a fluidic device (11, 12, 23), in particular for a valve array and or a maintenance unit. Furthermore, the invention pertains to a fluidic device (11, 12, 23) equipped with said diagnostic device. The d... | 09/18/2007 |
| 7267661 | Non-magnetic medical infusion device Liquid infusion apparatus includes non-magnetic materials in a pumping structure and drive motor therefor, and in a controller that supplies drive signals to the motor to facilitate convenient operation in intense magnetic fields without distorting the magnetic fiel... | 09/11/2007 |
| 7258254 | Dispensing end cap An end cap is attached to a container body to form a liquid media package for dispensing liquid media. The end cap includes an aperture in fluid communication with the liquid media in the package. The end cap also includes at least one radial arm extending outwardly... | 08/21/2007 |
| 7232524 | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 06/19/2007 |
| 7222803 | Liquid dispensing apparatus A hand operated flexible bulb for use with a liquid dipensing apparatus 5, the bulb comprises an open ended neck 2 which is securable in an air tight manner to a liquid dispensing apparatus. The flexible bulb is provided with an air inlet 6 sepa... | 05/29/2007 |
| 7214210 | Cassette and method for drug preparation and delivery A disposable cassette for mixing an intravenous drug in a vial to a patient includes a liquid inlet for connection to a liquid supply, a first vial spike, a second vial spike and a chamber. The chamber, the first and second vial spikes, and the liquid inlet are in f... | 05/08/2007 |
| 7171992 | Pharmaceutical compounder Information management systems and methods can be used with at least one pharmaceutical compounding device. The systems and methods comprise a controller coupled to the compounding device. A compounding control manager resides on the controller to receive compoundin... | 02/06/2007 |
| 7163385 | Hydroimpedance pump A hydro-elastic pumping system formed from an elastic tube element having attached end members with different hydroimpedance properties, wherein the elastic element is pinched with certain frequency and duty cycle to form asymmetric forces that pump fluid. ... | 01/16/2007 |
| 7146660 | Patient support pad with repositionable pressure source An apparatus for supporting a patient includes a pad having a first side, a second side, and a fluid chamber configured to receive fluid under pressure. The apparatus also has a pressure source operable to deliver pressurized fluid to the fluid chamber and a pouch c... | 12/12/2006 |
| 7135246 | Electronic apparatus having energy-saving cooling system An electronic apparatus includes a component to which a pressure is applied or which provides vibration, a heat absorbing member, a heat dissipating member, an elastomer bag which receives a pressure or the vibration from the component, a first check valve connected... | 11/14/2006 |
| 7104768 | Peristaltic micropump A Peristaltic micropump includes a first membrane region with a first piezo-actor for actuating the first membrane region, a second membrane region with a second piezo-actor for actuating a second membrane region, and a third membrane region with a third piezo-actor... | 09/12/2006 |
| 7071429 | Linear adjustment operator for pressure control of paint pumps A linear adjustment operator for pressure control of paint pumps including a base, an electrical switch, a linear actuator, a spring biasing the switch towards the actuator and a lever acting on the actuator for repositioning the actuator with the switch positioned ... | 07/04/2006 |
| 7062937 | Product dispenser Embodiments of the present invention are directed to a dispensing apparatus for dispensing a flowable product. In one embodiment, the apparatus comprises a dispenser housing having a product outlet extending from the dispenser housing to dispense the flowable produc... | 06/20/2006 |
| 7021195 | Priming pump The invention relates to a priming pump comprising an enclosure having an elastically deformable central zone connected to two coupling zones, the enclosure being comprising an outer layer of elastomer material and an inner layer of barrier-forming material against ... | 04/04/2006 |
| 6979311 | Apparatus and method for preventing free flow in an infusion line An apparatus and method for preventing free flow through an infusion set utilizes an occluder disposed within the infusion set to selectively prevent flow therethrough. The occluder may be responsive to a pressure differential within the infusion set or may respond ... | 12/27/2005 |
| 6945268 | Particle build-up prevention in flowing systems A system serves to prevent or remove particle build-up in flowing systems, wherein a fluid flows in a conduit to a valve body. A mechanical shock is periodically generated in the valve body that is of a sufficient magnitude to disturb any particle attachment in the ... | 09/20/2005 |
| 6935846 | Dosing pump The invention relates to a dosing pump comprising a chamber, an inlet valve located in an inlet pertaining to said chamber, and an outlet valve located in an outlet pertaining to said chamber. The chamber is divided into two partial chambers (2, 18) by a sepa... | 08/30/2005 |
| 6887047 | Pneumatic pinch mechanism for a deformable tube A pinch mechanism, which can be used as part of a pump, includes a deformable tube (10) enclosed within a body (11) which has a first chamber (11a). The deformable tube (10) defines a flow passage. A second chamber (19) is c... | 05/03/2005 |
| 6877965 | Mechanical bladder pump A mechanical bladder pump is provided for collecting fluid samples from a well. The pump includes an outer tubular member having a longitudinal bore, and an inner tubular member arranged within the bore of the outer tubular member. The inner and outer tubular member... | 04/12/2005 |
| 6869275 | Piezoelectrically driven fluids pump and piezoelectric fluid valve A piezoelectrically driven fluid pump includes a chamber having two opposite sidewalls formed by flexible membranes, and an inlet and an outlet each regulated by a valve. Separate piezo elements are fixed to each of the membranes, to flex the membranes and increase ... | 03/22/2005 |
| 6814262 | Disposable pump and drive mechanism for dispensing a liquid food product An assembly for dispensing liquid food product from a food warmer and dispenser that includes a disposable pump. The disposable pump includes a portioning chamber having a hollow open interior that can receive a supply of food product. The disposable pump includes a... | 11/09/2004 |
| 6733252 | Fluid-handling systems and components comprising a bladder pump, a methods therefor A fluid-handling system capable, in various embodiments, of storing, mixing, and dispensing fluids, and also regulating the flow of fluids. The system includes a cartridge having a non-expandable housing, and a bladder within the housing. In some variations, a drive... | 05/11/2004 |
| 6666665 | Fluid delivery mechanism having a plurality of plungers for compressing a metering chamber The present invention provides an infusion pump 10 for providing a flow of a liquid through an tube 28. The infusion pump 10 includes at least two occluders 152, 162 having an open position and a closed position for releasably pinching-off the tube 28. A ... | 12/23/2003 |
| 6623257 | Disposable mechanism for taking out a fixed amount of fluid and system for supplying a fixed amount of fluid There is provided a system for supplying a fixed amount of fluid in which the reverse flow of the fluid is eliminated and a precise fixed amount of the fluid can be delivered. In a system for supplying a fixed amount of fluid comprising a fluid accommodat... | 09/23/2003 |
| 6619931 | Bladder pump for liquid sampling and collecting A liquid pump for pumping groundwater samples from small diameter sub-terrain wells, comprising a tubular casing having inlet apertures, a top cap provided with a fluid communication port and a liquid outlet port, a top bladder mandrel secured to the top ... | 09/16/2003 |
| 6607368 | Linear pump and method A linear pump for pumping a fluid includes a generally tubular shaped bladder 50 sealingly engaged on each end to an end cap 20, 25, forming an inner chamber 14, and including each of an inlet 70 and an outlet 75 inner chamber check valve to fluidly inter... | 08/19/2003 |
| 6585499 | Fluid delivery mechanism having a flush-back operation The present invention provides an infusion pump 10 for providing a flow of a liquid through an tube 28. The infusion pump 10 includes at least two occluders 152, 162 having an open position and a closed position for releasably pinching-off the tube 28. A ... | 07/01/2003 |
| 6464476 | Linear pump and method The linear pump (10,110) includes a housing (12, 112) and either two(20, 22) or one (120) flexible bladders each within a pump housing and interconnected to respective end caps (30, 32, 130, 132, 134, 136). Upon movement of a movable end cap relative to a... | 10/15/2002 |
| 6450773 | Piezoelectric vacuum pump and method A piezoelectric vacuum pump that includes a diaphragm comprising an upper diaphragm member and a lower diaphragm member. The diaphragm members preferably comprise thin metal sheets that are plated with a noble metal, such as gold, silver, or platinum, and... | 09/17/2002 |
| 6382933 | Bladder pump for liquid sampling and collecting A liquid pump for pumping groundwater samples from small diameter sub-terrain wells. The pump comprises a tubular casing having swaged ends and provided with inlet apertures on its side wall, a top cap and a bottom cap each provided with a bladder mandrel... | 05/07/2002 |
| 6352455 | Marine propulsion device The propulsion device (10) includes a housing (12) having an incoming end cap (14) and an outflowing end cap (16). A tubular bladder (20) within the housing is interconnected to each end cap, thereby varying the volume of both a chamber (22) within the bl... | 03/05/2002 |
