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| Number | Title | Issue Date |
| 7758551 | Pump set with secure loading features A pump set for use with a pump to deliver a supply of liquid to a patient. The feeding set has a conduit for the nutrient liquid and a safety interlock device associated with the conduit. The pumping apparatus has a pumping device and a control system for controllin... | 07/20/2010 |
| 7339126 | Variable differential adjustor A variable differential adjustor for a fluid pressure-actuated switch, with the fluid, in the preferred form of the invention, being air. The restrictor has a restrictor housing having a passage through which a pressure source has a portion which passes on its way t... | 03/04/2008 |
| 7260932 | Shape memory alloy latching valve A shape memory activated fluid control pinch valve is disclosed. The valve may be normally open or normally closed. In various embodiments of the valve, the valve may be a latching pinch valve and may operate with magnetic assistance. ... | 08/28/2007 |
| 7166120 | Catheter with occluding cuff A device, method, and system of deploying an embolic protection device at a location distal to a treatment site in a vessel of a patient. A delivery catheter is encircled by a sealing member which is expandable from a delivery configuration to a deployed configurati... | 01/23/2007 |
| 7121143 | Optical pressure monitoring system An optical pressure monitoring system includes a tube from an infusion set and an optical signal sensor disposed to detect changes in the diameter of the tube and thereby determine pressure changes within the tube. By selecting the position of the tube relative to t... | 10/17/2006 |
| 7077559 | Container or bag mixing apparatuses and/or methods A mixing system, apparatus and/or method. Pathogen reduction of and/or mixing storage solutions into blood or blood components are useful purposes for these. Squeezing or clapping devices may be used to activate the mixing process, as may rotational devices or later... | 07/18/2006 |
| 6994790 | Whole blood collection and processing method A method is disclosed for collecting and processing whole blood. Whole blood is collected at several remote donor sites and transported to a central blood-processing center, where information regarding demand for blood products is used to direct processing of whole ... | 02/07/2006 |
| 6964798 | Multi-layered polymer based thin film structure for medical grade products A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a firs... | 11/15/2005 |
| 6887220 | Catheter having a compliant member configured to regulate aspiration rates The present invention is directed to a catheter that is configured to self-regulate aspiration rates through a working lumen of the catheter. The catheter comprises a compliant member in communication with the working lumen that is configured to transition from an o... | 05/03/2005 |
| 6641559 | Buret with foot valve for medical infusion equipment A buret with foot valve for medical infusion equipment, including a transparent cylindrical container having a bottom wall with a central outlet hole for outlet of the liquid and a lateral graduated scale for indication of the level of the liquid. A float... | 11/04/2003 |
| 6565525 | Valve port assembly with interlock A dual port vascular access assembly comprises a first access port and a second access port. The linkage is coupled between the first access port to close the second access port in the absence of an access tube in the first access port. Such port assembli... | 05/20/2003 |
| 6406460 | System and method for automatic needle change warning A syringe has a sensor for sensing physical contact between a syringe needle and the syringe. As the sensor detects that a syringe needle has just been installed into the syringe, a counter is set to "zero", indicating the number of injections given with ... | 06/18/2002 |
| 6391000 | Means for supplying a medical instrument with rinsing fluid With this device the rinsing fluid is located in a container which may be set under pressure with a gas and into which pressurised gas via a cannula may be introduced and from which rinsing fluid may be removed via another cannula. The respective filled c... | 05/21/2002 |
| 6126645 | Medical devices subject to triggered disintegration The present invention provides medical devices comprised of ionically crosslinked polymer, especially, stents, catheter or cannula components, plugs, and constrictors. The medical devices of the present invention are prepared by treatment of ionically cro... | 10/03/2000 |
| 6110153 | Infusion device with optical sensor An infusion device with a disposable administration set which is inexpensive to manufacture. In the preferred embodiment of the present invention the disposable administration set has a plurality of elongated cam followers connected to a plate assembly, w... | 08/29/2000 |
| 6007516 | Valve port and method for vascular access An access port comprises a base and a flexible conduit. The port is subcutaneously implanted and the conduit is attached directly or indirectly to a blood vessel or other body lumen or cavity. An actuator mechanism is provided with a linkage which opens a... | 12/28/1999 |
| 5869231 | Method for reproducibly determining the components of lacrimal fluid The invention relates to a sampling kit for obtaining, in a rapid and gentle manner, a defined volume of lacrimal fluid for the purpose of reproducibly determining components of the lacrimal fluid.... | 02/09/1999 |
| 5868715 | Intravenous metering device having automatic stopper An intravenous metering device having automatic stopper comprises a connecting tube that can be inserted into a liquid bottle at one end such that a fluid communication therebetween can be establish. The transfusion tube being connected to a liquid barrel... | 02/09/1999 |
| 5814012 | Method and apparatus for relieving excess insufflation pressure A method and apparatus for relieving insufflation pressure in a body cavity (18) in excess of a predetermined value are provided. A conduit assembly (24) extends from the body cavity (18) through the surface (61) of a fluid reservoir and has a port (63) p... | 09/29/1998 |
| 5520643 | Implantable access devices An implantable access device which permits the introduction of an external filament such as a catheter, guide wire or optical fiber into a patient for communication with an internal catheter located within the body of the patient. The device includes a ho... | 05/28/1996 |
| 5437642 | Free flow prevention system for infusion pump A free flow prevention system for preventing undesired free flow of fluid through IV tubing of the type used in an infusion pump. The system comprises a spring clip having a base and a spring arm defining a channel adapted to receive the IV tubing. The sp... | 08/01/1995 |
| 5407434 | Automatic lumen viscous reseal The invention features a needle defining a flowpath, a housing comprising a proximal end and a distal inner seat leading to and defining a lumen, and a viscous material contained within the housing. The needle is slidable through the housing and the visco... | 04/18/1995 |
| 5403279 | Blood collecting apparatus A blood collecting apparatus includes a measuring device provided with a sensor for measuring the amount of collected blood when blood is collected into a blood container, and a controller for calculating the amount of collected blood based on an output y... | 04/04/1995 |
| 5152746 | Low pressure irrigation system An irrigation system is provided to communicate fluid pressure to a body cavity for diagnostic or surgical proceedings. A pump control unit generates fluid pressure and a monitor control circuit provides feedback to the pump control unit to substantially ... | 10/06/1992 |
| 5147330 | Blood cradle A cradle for use in blood donating processes comprises surface (2) which is intended to support a blood-collecting bag and to be rocked reciprocatingly on an axle (4) which extends perpendicularly to the surface, by means of a crank (5, 7). The cradle is ... | 09/15/1992 |
| 5053002 | Irrigation system for angioscope An angioscope has irrigation system with at least two presettable irrigant flow rates. A footswitch under manual control is operatively connected to a roller pump for switching from a high first flow rate to a low second flow rate. Upon an initial filling... | 10/01/1991 |
| 5006114 | Medical valve assembly A medical valve assembly is described in which the valve assembly has a female luer lock portion on an inlet end of the device and a male luer lock portion on the outlet portion of the valve. A movable piston seals the inlet portion of the valve from the ... | 04/09/1991 |
| 4946439 | Dual source parenteral infusion system with secondary infusion module A dual source parenteral infusion system includes a primary controller which controls the flow rate of a parenteral solution, a display which displays parameters associated with the delivery of a primary solution, and pushbuttons for entering solution del... | 08/07/1990 |
| 4923449 | Apparatus for collecting constant amounts of blood from individual donors An apparatus for the collection of blood via a collapsible inflow pipe into an inflatable bag having an anticoagulant prefilled therein. The bag is placed on a weighing platform coupled to a load cell, which produces an electric voltage signal representat... | 05/08/1990 |
| 4892524 | Intravenous administration system An apparatus for administering a volumetric flow of parenteral liquids into a patient's system, in which the quantity of liquid flowing into the system may be easily adjusted, is disclosed. The apparatus includes two separate hydrostatic head pressure sys... | 01/09/1990 |
| 4762518 | Blockage hazard alarm in an intravenous system The principal of total internal reflection is utilized in sounding an alarm in a medical fluid infusion system when a downstream blockage occurs. A miniature prism is mounted in a cavity in a rigid exterior tube. The infusing fluid flows in a plastic tubi... | 08/09/1988 |
| 4752289 | Infusion apparatus An infusion pump pressure monitor comprises a drive (26, 27, 30, 31) for an infusion pump, a pressure sensor (38) to monitor the delivery pressure downstream of the pump, and a programmed computer (34, 35). The computer (34, 35) is programmed to monitor t... | 06/21/1988 |
| 4743228 | Fluid flow monitoring method and system The invention is directed to a fluid flow monitoring method and system for parenteral fluid delivery systems for use in situations, such as with sedentary patients, when wide pressure variations are not expected. The resistance of the fluid delivery syste... | 05/10/1988 |
| 4731058 | Drug delivery system A system for delivering a drug to a patient according to the preferred embodiment of the present invention is shown as including a plunger assembly reciprocally received in a reservoir for forcing the drug therefrom for delivery to the patient. The plunge... | 03/15/1988 |
| 4712590 | Electrical connection means for multiple bulk compounding systems A device for connecting two or more bulk compounding systems for mixing hyperalimentation solutions is described. The device allows electrical signals from each bulk compounding system to be connected to one another so that each bulk compounding system ma... | 12/15/1987 |
| 4648872 | Volumetric pump with replaceable reservoir assembly An infusion pump has a removable reservoir including a piston and drive member. The drive member is an internally threaded elongated portion of the piston. A motor rotates a short drive screw, which engages the threads of the drive member to displace the ... | 03/10/1987 |
| 4645489 | Fluid delivery apparatus with shape-memory flow control element A unitary disposable conduit extends from the intravenous reservoir along a gravity-flow path to the patient, and incorporates a valve block containing an externally controlled flow-control valve. An electronic controller monitors the drop rate in a drop ... | 02/24/1987 |
| 4617020 | Air leak detector and counter for drainage device A detector and counter for drainage devices is provided which will detect the passage of air through an underwater seal chamber. A signal is transmitted as a result of the detection of the presence of air or a bubble within an underwater seal chamber and ... | 10/14/1986 |
| 4613328 | Bio-medical injector apparatus A bio-medical injector apparatus comprising a base unit having a skin engaging portion disposed at an angular orientation with respect to the longitudinal axis of the base unit for supporting and maintaining a hypodermic needle at an optimum angular orien... | 09/23/1986 |
| 4601700 | Method for flow control monitoring A flow status monitoring method is disclosed for a gravity flow metering system employing a metering chamber separated by a movable diaphragm into two compartments, each with a valved inlet and valved outlet. The system alternately opens pairs of valves o... | 07/22/1986 |
