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| Number | Title | Issue Date |
| 4840542 | Infusion pump with direct pressure sensing An infusion pump incorporates a cassette formed by bonding of two substantially flat sheets. The fluid to be infused to the patient comes into contact only with the cassette. The cassette includes first and second flexible sheets which define a pumping ch... | 06/20/1989 |
| 4710166 | Automated drug additive infusion system This invention relates to the parenteral infusion of fluids into patients, and particularly to the addition of drugs or other secondary fluids in infusion systems operating on an automatic basis.... | 12/01/1987 |
| 4657490 | Infusion pump with disposable cassette An infusion pump incorporates a cassette formed by bonding of two substantially flat sheets. The fluid to be infused to the patient comes into contact only with the cassette. The cassette includes first and second flexible sheets which define a pumping ch... | 04/14/1987 |
| 4648873 | Adapter for intravenous delivery set An adapter for enabling use with bags or bottles of an intravenous administration set having a proximal syringe venting connector with an air cannula. The adapter has a hollow body with threads for engaging the connector, and a spike for piercing an I.V. ... | 03/10/1987 |
| 4623343 | Parenteral fluid administration apparatus and method A parenteral fluid administration system in which a measured medication dose is drawn into a syringe and the syringe is placed into a hangable bag so that its outlet can protrude from an aperture in the bag. A novel connector secures the delivery tubing i... | 11/18/1986 |
| 4601702 | Volumetric infusion actuator A volumetric infusion actuator providing a slot means for receiving a valved cassette having exposed valve pads. An actuation means for automatically moving individual arms into and out of engagement with the valve pads according to a predetermined cycle ... | 07/22/1986 |
| 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 |
| 4602249 | Method and apparatus for detecting leaking valves in a volumetric infusion device A method and apparatus for detecting leaking valves in a volumetric fluid delivery system. The system employs a volumetric chamber divided into two compartments by a moveable membrane, with each compartment having a valved inlet and a valved outlet. In th... | 07/22/1986 |
| 4559044 | Volumetric metering unit for intravenous fluid addition Three embodiments of a metering unit (10, 140, 200) are provided for metering fluid from a container (14) for infusion into a patient. The first embodiment of the metering unit (10) includes a cassette (26) formed of halves (28, 30). The halves (28, 30) e... | 12/17/1985 |
| 4553958 | IV Delivery controller A controller (34) is disclosed for use with a dual delivery system including a primary fluid container (12) and a secondary fluid container (14). The display (48) on the controller (34) presents a representation of the primary and secondary containers and... | 11/19/1985 |
| 4493709 | Metering device for intravenous fluids A metering device is disclosed which includes a metering chamber (14) divided into two compartments (22, 24) by a pressure transmitting member in the form of a flexible diaphragm (20). Fluid flow is alternately allowed into each of the two compartments (2... | 01/15/1985 |
| 4447230 | Intravenous administration set assembly An intravenous administration set assembly (10) is disclosed which is capable of introducing fluid from a plurality of sources of intravenous fluids into a patient and which allows the various sources of fluid to be easily attached and detected from the a... | 05/08/1984 |
| 4431425 | Flow fault sensing system A system for sensing flow faults in a membrane system for intravenous fluid introduction is provided. A scanner is pulsed to generate reflected energy signals representative of the position of a membrane within a chamber. The scanner is pulsed both before... | 02/14/1984 |
| 4391598 | Intravenous drug additive delivery system with electronic control An improved fluid additive system is disclosed. The first embodiment of the invention is formed by a system (10) including a controller (26) which automatically delivers a preselected quantity of a secondary fluid from a secondary container (14) at a pres... | 07/05/1983 |
| 4311139 | Method and apparatus for catheter insertion A method and apparatus for catheter insertion (10 or 100) for inserting a flexible catheter (12 or 112) into a selected liquid-filled body cavity (144) into which the anterior end of a substantially rigid, tubular member (151) has been inserted. A contain... | 01/19/1982 |
| 4250881 | Catheter insertion device A catheter insertion device (10) is disclosed which is usable to insert a very flexible catheter (12) formed of a silicone elastomer into the blood vessel of a patient. Catheters of highly flexible material, such as silicone elastomer, are highly desirabl... | 02/17/1981 |
| 4244379 | Check valve for blood drawing apparatus A check valve is disclosed for use in blood drawing apparatus wherein it is desired to draw multiple samples from a single needle inserted into a patient's arm for use in a variety of medical tests. The check valve includes therein a valve member formed o... | 01/13/1981 |
