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| Number | Title | Issue Date |
| 8083716 | Systems and methods allowing for reservoir air bubble management Various embodiments of the present invention are directed to limiting a presence of air bubbles in a fluidic medium expelled from a reservoir. In various embodiments, a plunger head within a reservoir is shaped so as to limit a presence of air bubbles in a fluidic m... | 12/27/2011 |
| 7806863 | System for detecting and removing a gas bubble from a vascular infusion line System for detecting and removing gas bubbles from a vascular infusion line, including a cassette adapted for disposition intermediate the fluid line, the cassette including a flexible tube having an inlet port for connection to a supply side of the fluid line, an o... | 10/05/2010 |
| 7806864 | System for detecting and removing a gas bubble from a vascular infusion line System for detecting and removing gas bubbles from a vascular infusion line, including a cassette adapted for disposition intermediate the fluid line, the cassette including a flexible tube having an inlet port for connection to a supply side of the fluid line, an o... | 10/05/2010 |
| 7798996 | System for detecting and removing a gas bubble from a vascular infusion line System for detecting and removing gas bubbles from a vascular infusion line, including a cassette adapted for disposition intermediate the fluid line, the cassette including a flexible tube having an inlet port for connection to a supply side of the fluid line, an o... | 09/21/2010 |
| 7771389 | Injector auto purge An auto purge for an intravenous contrast injector of the type having a motor which advances a plunger drive ram and configured for use with a pre-filled or user-filled syringe containing an approximate known amount of air including a processor which causes the moto... | 08/10/2010 |
| 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 sense an air bubble entrained in the liquid in the tube and which deter... | 03/04/2008 |
| 7300417 | Syringe/plunger coupling A medical fluid injector, replaceable syringe, and coupling mechanism to engage the syringe plunger to the plunger drive ram of the injector are provided wherein coupling involves a cam cleat-like mechanism, thereby allowing for cooperative movement between the plun... | 11/27/2007 |
| 7267666 | Angiographic injector system with multiple processor redundancy An angiographic injector system and a method of controllably delivering medical fluid to a patient from an angiographic injector system are disclosed. A multiple processor control system is used to actively control the injection process and to monitor sensed functio... | 09/11/2007 |
| 7238224 | Fluid-gas separator A fluid-gas separator includes a gas-permeable membrane arranged sufficiently adjacent to a fluid-permeable membrane to allow the separation of fluid and gas flowing therein independent of the orientation of the fluid-gas separator itself. ... | 07/03/2007 |
| 7192417 | Injectors and syringe interfaces for syringes of variable size A syringe interface for attaching syringes to a drive mechanism which includes a drive member to impart motion to a syringe plunger includes a plurality of syringe mount apertures having different dimensions to attach each of a plurality of syringes to the syringe i... | 03/20/2007 |
| 7144365 | Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and method of using same. One embodiment of the extracardiac system comprises a pump ... | 12/05/2006 |
| 7125376 | Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment of the intravascular extracardiac system co... | 10/24/2006 |
| 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, and a reservoir connected to the exit port assembly. The device also in... | 03/28/2006 |
| 7018361 | Infusion pump An infusion pump (10) is configured to be powered by either a disposable battery source or a rechargeable battery source. The infusion pump (10) has a housing (12) having a recess (33). A motor is positioned within the housing (12)... | 03/28/2006 |
| 6976383 | Apparatus for high temperature withdrawal or dispensing of fluids Rapid characterization and screening of polymer samples to determine average molecular weight, molecular weight distribution and other properties is disclosed. Rapid flow characterization systems and methods, including liquid chromatography and flow-injection analys... | 12/20/2005 |
| 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 |
| 6929751 | Vented medical fluid tip protector methods A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a member for removably securing a medical fluid tube is provided. The member includes a body providing a first fluid pathway and an opening for removably receiving ... | 08/16/2005 |
| 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 (that is, a direct or indirect measurement of fluid pressur... | 01/06/2004 |
| 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 fluid may be delivered into the cavity when a condition of... | 11/04/2003 |
| 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 kinetic energy of the motor and other mechanically coupled ... | 10/21/2003 |
| 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 bubbles within a pumping chamber of the cassette. Small air bu... | 11/05/2002 |
| 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 the fluid. In particular, the pumping cycle is stopped af... | 09/04/2001 |
| 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 ultrasonic receiver for receiving ultrasonic signals. The ul... | 05/30/2000 |
| 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 conductors for delivering magnetic fields from a power head face ... | 12/21/1999 |
| 5868710 | 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 conductors for delivering magnetic fields from a power head face ... | 02/09/1999 |
| 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 ultrasonic receiver for receiving ultrasonic signals. The ul... | 12/01/1998 |
| 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 line 3. At the top end of the line 3 is attached a chamber 1... | 02/03/1998 |
| 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 orifice of the body. The irrigation system includes a cont... | 11/07/1995 |
| 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 adapted to remove air, particularly air contained in the suppl... | 05/30/1995 |
| 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 the form of a long gap and the gap volume is greater than th... | 05/23/1995 |
| 5382232 | Infusion system with air-in-line clear function An infusion system with an air-in-line sensor is provided with improved apparatus and method for quickly and easily clearing small quantities of undissolved gas such as air from the sensor detection field. The infusion system includes an infusion pump hav... | 01/17/1995 |
| 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 juxtaposed finger members for sequentially squeezing a portio... | 09/06/1994 |
| 5290238 | 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 adapted to remove air, particularly air contained in the suppl... | 03/01/1994 |
| 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 line (3). A return line (8) is attached to a point in the ... | 05/18/1993 |
| 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 a fluid junction member. The fluid junction member, wherei... | 05/04/1993 |
| 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 fluid entry into a vial, that houses the drug to be reconstit... | 05/26/1992 |
| 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 secondary container 24 are joined into a single flow path by... | 07/16/1991 |
| 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 tubing at the bottom of the cassette into a slot in an ult... | 03/19/1991 |
| 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 intermittently applying pressure to the cassette. The cassette featu... | 07/25/1989 |
| 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 (11, 12; 13, 14; 15, 16) two of which (11, 12; 15, 16) are... | 05/09/1989 |
