Matches 1 - 50 out of 68 1 2 >
Match Document Document Title
7547295 Gas removal in an intravenous fluid delivery system  
An active gas removal system is provided to remove air or gas bubbles from an intravenous fluid prior to infusion into the patient. The system detects the level of liquid in a drip chamber and...
7338470 Air-bubble-monitoring medication assembly, medical system and method  
An air-bubble-monitoring medication assembly includes a drug infusion subassembly having a tube for administering therein a liquid to a patient, a bubble-size determinator which is positioned to...
7018360 Flow restriction system and method for patient infusion device  
A device for delivering fluid, such as insulin for example, to a patient. The device includes a flow path having an exit port assembly adapted to connect to a transcutaneous patient access tool,...
6673033 Injectors, injector systems and injector control  
An injector for use in injecting a fluid in a medical injection procedure includes a drive mechanism to pressurize the fluid; a sensor to measure a variable that is proportional to fluid pressure...
6641558 Method and apparatus for preventing air embolisms  
Method and apparatus for preventing air embolisms during surgical procedures which involves providing a fluid source in communication with an aperture extending into an anatomical cavity such that...
6636010 Precision dosage apparatus, system and method  
A liquid dispensing system increases the precision, reliability, and safety of dispensing medications and other liquids. An electronic brake grounds a power terminal of a pump motor to absorb the...
6475178 Autopriming a micro-cassette while minimizing the formation of air bubbles in a pumping chamber  
A pump used to infuse a medical liquid into a patient is autoprimed under the control of a microprocessor that monitors and adjusts a priming sequence to minimize the accumulation of small air...
6283719 Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom  
A tube in a pumped fluid system can become obstructed by a clog. The clog is automatically cleared in response to an obstruction signal by modifying the pumping cycle which is normally used to pump...
6068612 Air detector  
The present invention provides an apparatus for detecting excessive air in a liquid flow-through tube. The apparatus includes an ultrasonic transmitter for transmitting ultrasonic signals and an...
6004292 Medical fluid injector  
A medical fluid injector includes: an air detection system for detecting air in the neck of the syringe; a hand-operated control lever for controlling movement of the injector ram; magnetic...
5843035 Air detector for intravenous infusion system  
The present invention provides an apparatus for detecting excessive air in a liquid flow-through tube. The apparatus includes an ultrasonic transmitter for transmitting ultrasonic signals and an...
5713865 Intravenous-line air-elimination system  
An air elimination system is provided for an intravenous fluid delivery system for intravenous injection of fluid into a patient. An air-detection apparatus 5 is disposed in an intravenous fluid...
5464391 Irrigation system for a surgical site  
An irrigation system and method for providing fluid from a source of irrigating fluid to a surgical site, in particular a surgical site access to which is provided by a small incision or a natural...
5419770 Self priming tubing set for an infusion device  
A self priming tubing set for infusing a medical solution from an infusion device to a patient includes a supply tube, an air/particle filter, and a restrictor tube. The air/particle filter is...
5417663 Apparatus for conveying liquids  
In a device for conveying liquids having an intermittently energized pump and a filter for retaining air bubbles preceding the input side of the pump, the filter contains an admission opening in...
5343734 Sampling method in infusion pump apparatus  
A sampling method for sampling an output emerging from a bubble detector used in an infusion device of a type including an resilient infusion tubing, a peristaltic pump including a plurality of...
5237309 Pump cassette and method of pumping  
A medical pumping system has a supply tube (2), an outlet tube (6), a readily sterilizable, disposable cassette (3) connected to the tubes and engaged with the pump, and means (22,24) such as a...
5211201 Intravenous fluid delivery system with air elimination  
An air elimination system is provided for an intravenous fluid delivery system for intravenous injection of fluid into a patient. An air-detection apparatus (5) is disposed in an intravenous fluid...
5207642 Closed multi-fluid delivery system and method  
An improved multiple fluid delivery system usable for the delivery of intravenous fluids to a patient from a plurality of fluid sources includes flexible tubing members for coupling the sources to...
5116316 Automatic in-line reconstitution system  
The present invention provides a system for automatically reconstituting a drug in-line and delivering the drug to a patient. Pursuant to the present invention, a system is provided that allows...
5032112 Dual source intravenous administration set having an intravenous pump  
The present invention provides an intravenous administration set 10 having a primary container 22 and a secondary container 24, each containing fluid, and a pump 20. The primary container 22 and...
5000663 Automatic tubing lock for ultrasonic sensor interface  
An ultrasonic air-in-line detection system for use in detecting air bubbles in the fluid line of a disposable cassette mounted on a main pump unit is disclosed which automatically loads the outlet...
4850807 Disposable cassette for fluid delivery pump systems  
A readily sterilizable, disposable cassette (3) can be used in a medical pumping system having a supply tube (2), an outlet tube (6) and means (22,24), such as a motor-driven piston, for...
4829448 Air-in-line detector  
An air-in-line detector for detecting the presence of air in a translucent tube (8) containing a liquid comprises a channel (18) for receiving the tube, only three radiation emitter detector pairs...
4797655 Detector system for monitoring a fluid containing tube  
Apparatus for monitoring fluid flow in dialysis systems include a tube holder for mounting the tube at a predetermined location on a dialysis monitor, a transmitter for transmitting a signal such...
4747826 Rapid venous infusion system  
The subject invention relates to a novel system for rapid, venous infusion of a physiologic fluid, such as blood, into a patient, comprising in combination a reservoir for the physiologic fluid...
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.
4684364 Safety arrangement for preventing air embolism during intravenous procedures  
An intravenous system is provided which includes a source of intravenous fluid, a needle or catheter for insertion into the vascular system of a patient, a pump for pumping the intravenous fluid...
4661097 Method for clearing a gas bubble from a positive displacement pump contained within a fluid dispensing system  
A method and apparatus for removing gas bubbles from the fluid handling system of a medication infusion system is disclosed. Specifically, the invention discloses a method for removing fluid and/or...
4661093 Method for aspirating secreted fluids from a wound  
A method and apparatus for aspirating secreted fluids from a wound is disclosed which involves the placement of a drain into a wound via the tissue adjacent the wound. After the wound is closed, a...
4642098 IV system and controller and combination IV filter and pump assembly for use therein and method  
An IV filter and pump assembly having first and second bodies secured into a unitary assembly. The first and second bodies provide a chamber. One of the bodies has an opening therein in...
4627419 Blood pump apparatus and method  
A blood pump apparatus and method for pumping blood and pressure treating blood for minimizing hemolysis, platelet degradation, microthrombus and bubble formation. A blood pump apparatus for...
4594058 Single valve diaphragm pump with decreased sensitivity to ambient conditions  
A single valve diaphragm pump is disclosed which generally includes: a pump housing, a flexible diaphragm reciprocally movable in the pump housing; an inlet filter means; and, an outlet valve. The...
4519792 Infusion pump system  
An infusion pump system is described containing a valved cassette which is used as a pumping chamber for conducting fluid from an upstream portion to a downstream portion of the system. The...
4501531 Control circuit for a blood fractionation apparatus  
An apparatus for the continuous flow fractionation of whole blood incorporates motor driven whole blood, anti-coagulant and replacement pumps, negative and positive pressure monitors, and a dual...
4496346 Infusion monitoring apparatus  
Apparatus for detecting the presence of gas bubbles passing through an infusion tube (10). Sensing means (24, 26) responsive to fluid flow through the infusion tube develop a signal having a...
4457753 Intravenous metering device  
An improved intravenous metering device (1a) having a measuring chamber (77) for use in measuring the discharge pressure of fluid exiting the device (1) is disclosed. The discharge pressure...
4369785 Surgical fluid flow system  
Irrigation-aspiration fluid flow systems, including the electronic controls therefor, are disclosed for use with surgical removal of a cataracted lens of an eye of a human or animal. Irrigation...
4369780 Blocking condition detection device in a medical fluid injection system  
A medical fluid injection system which includes a flexible conduit and a rotor for supplying a pressurized medical fluid to the human body through the flexible conduit. A blocking condition...
4332246 Positive displacement intravenous infusion pump device and method  
A positive displacement intravenous infusion pump device and method are disclosed to precisely meter intravenous fluid to a patient. Intravenous fluid to be injected into the vein of a patient is...
4319568 Liquid dispensing apparatus  
Liquid dispensing apparatus comprises a T-tube (9) of which the limb tube serves as a closed reservoir (8) for liquid, with an air space above. Liquid is pumped by a peristaltic pump (A) through a...
4280495 Air emboli detection  
Air emboli detection method and apparatus for use in cardiopulmonary bypass surgery or the like comprising modular sensor, control and power units. The sensor unit is adapted to releasably clamp a...
4261360 Transurethral irrigation pressure controller  
The invention corresponds to a device used in conjunction with a resectoscope in endoscopic surgical operations which includes a housing, pumping means, means for controlling, measuring and...
4256437 Peristaltic infusion pump and method  
A peristaltic infusion pump is disclosed herein and includes a continuous tubular arrangement adapted to pass intravenous fluids therethrough and a peristaltic pump head mounted for rotation about...
4244365 Device for use in detecting occlusion in an infusion system  
An overpressure device is disclosed for use in a liquid infusion set for the purpose of detecting excessive pressures which may occur during infusion. The device comprises a tubular member with an...
4217993 Flow metering apparatus for a fluid infusion system  
A system for infusing fluids into the human body includes a peristaltic-type metering apparatus which controls the flow of fluid through a disposable administration set. The metering apparatus...
4213454 Control system for metering apparatus for a fluid infusion system  
A system for infusing fluids into the human body includes a peristaltic-type metering apparatus which controls the flow of fluid through a disposable administration set. The metering apparatus...
4210138 Metering apparatus for a fluid infusion system with flow control station  
A system for infusing fluids into the human body includes a peristaltic-type metering apparatus which controls the flow of fluid through a disposable administration set. The metering apparatus...
4155362 Method and apparatus for metered infusion of fluids  
A method and apparatus for infusing fluids into the human body includes a peristaltic-type pump and an administration set having a vinyl tubing section on which the pump acts. To prevent the...
4142524 Cassette for intravenous delivery system  
A cassette is described for use in an intravenous delivery system having a pump. The volume of a main chamber defined by the cassette body is varied by a membrane in a wall thereof while...
Matches 1 - 50 out of 68 1 2 >