| Patent Number |
Title Of Patent |
Date Issued |
| D495416 |
Vial access device |
August 31, 2004 |
|
| D468016 |
Medical fluid connector |
December 31, 2002 |
|
| 7104520 |
Needle free medical connector with expanded valve mechanism and method of fluid flow control |
September 12, 2006 |
| A needle free medical connector includes a housing with a first port and a second port. The connector also includes a piston element defining a fluid passageway between the first and second ports. The piston element is movable between flow and non-flow positions. The piston element has a |
| 6964406 |
Valved male luer |
November 15, 2005 |
| A male luer connector device that attaches to any standard female luer valve to open a flow channel between the two luers. The male luer is comprised of a tubular housing element, a resilient member contained within the housing and extending within an inner tubular portion defined in |
| 6915170 |
System and method for collecting data and managing patient care |
July 5, 2005 |
| A care management system in which the management of the administration of care for patients is automated. Hospital information systems are monitored and the information from those systems is used in verifying the administrations of care to patients. The care management system monitors |
| 6875205 |
Vial adapter having a needle-free valve for use with vial closures of different sizes |
April 5, 2005 |
| A vial adapter having a needle-free valve, a sharpened cannula used to perforate a vial's rubber stopper, and a circular array of claws of different lengths to engage vial closures of different diameters. The array of claws includes a first set of claws each having a first length ext |
| 6840501 |
Needleless valve |
January 11, 2005 |
| A needless valve is described which avoids the suctioning problems of the prior needleless devices upon deactivation and which preferably provides a positive self-purging effect. The valve is self-purging at the end of an administration cycle, avoiding clogging of attached catheters or o |
| 6840492 |
Slide clamp |
January 11, 2005 |
| A slide clamp includes a slot formed in a plate though which a fluid tube is mounted. The tube may be moved to a flow section of the slot or to an occluding section of the slot. Interconnecting the flow and occluding sections is a pinch zone in which the slot is narrower than the occludi |
| 6802490 |
Needle free medical connector with expanded valve mechanism and method of fluid flow control |
October 12, 2004 |
| A needle free medical connector includes a housing with a first port and a second port. The connector also includes a piston element defining a fluid passageway between the first and second ports. The piston element is movable between flow and non-flow positions. The piston element has a |
| 6750627 |
Open-loop step motor control system |
June 15, 2004 |
| A motor control system that reduces noise while reducing power requirements but providing sufficient torque. A one-phase-on drive mode modified to microstep between "one phase on" positions is used to accelerate the motor in a non-linear manner to a maximum speed. The microstep drive mod |
| 6745998 |
Valved male luer |
June 8, 2004 |
| A male luer connector device that attaches to any standard female luer valve to open a flow channel between the two luers. The male luer is comprised of a tubular housing element, a resilient member contained within the housing and extending within an inner tubular portion defined in |
| 6731989 |
System and method for collecting data and managing patient care |
May 4, 2004 |
| A care management system in which the management of the administration of care for patients is automated. Hospital information systems are monitored and the information from those systems is used in verifying the administrations of care to patients. The care management system monitors |
| 6706022 |
Needleless medical connector with expandable valve mechanism |
March 16, 2004 |
| A needleless connector for medical use, adapted to facilitate the flow of fluid therethrough, includes a housing having an inlet port and an outlet port. The connector also includes a flex-tube assembly defining a fluid path between the inlet port and the outlet port. The flex-tube assem |
| 6698921 |
Predictive temperature measurement system |
March 2, 2004 |
| A method and device for rapidly predicting the temperature of an object through a sensor reading of the object's temperature by using a processor comprising finite impulse response (FIR) filters to determine the average value, the first derivative, and the second derivative of the sensed |
| 6695004 |
Magnetic automatic stop valve |
February 24, 2004 |
| A magnetic automatic stop valve formed in a container of a medical fluid administration system has one magnetic element located in a float and another magnetic element located proximate a valve seat. As the fluid level in the container decreases, the magnetic field established between |
| 6671563 |
System and method for collecting data and managing patient care |
December 30, 2003 |
| A care management system in which the management of the administration of care for patients is automated. Hospital information systems are monitored and the information from those systems is used in verifying the administrations of care to patients. The care management system monitors |
| 6645177 |
Directly engaged syringe driver system |
November 11, 2003 |
| A syringe driver system comprises a rotatable threaded lead screw shaft and a plunger which directly engages the threaded shaft such that rotation of the shaft drives the plunger into the syringe body. The plunger is formed with a threaded shaft engaging portion in the form of a half nut |
| 6629955 |
Medical instrument flow stop interface |
October 7, 2003 |
| A fluid infusion pump includes a platen between an outer door and the pumping mechanism. The platen is located so that as the outer door of the pump is moved to the closed position, it moves the platen to position the fluid flow tube into occlusive contact with the pumping mechanism befo |
| 6616633 |
Apparatus and method for air-in-line detection |
September 9, 2003 |
| The concentration of air or other agents in a fluid delivery line is determined by monitoring agent signals and processing those agent signals along with information regarding the age of each agent signal. The processor determines a primary agent concentration value based on the rece |
| 6593528 |
Medical device interface system |
July 15, 2003 |
| An interface device secures an instrument to a docking station having a casing having at least one signal port and a mounting rail mounted within a recessed portion of the casing. The signal ports may be power or data communications ports. A back panel forms part of an instrument housing |
| 6562012 |
Apparatus and method for measuring drop size in an intravenous drip chamber |
May 13, 2003 |
| A capacitive-based apparatus for measuring the volume of a fluid drop passing through an intravenous drip chamber. The apparatus includes a capacitor comprising two parallel plates that are a fixed distance apart and are positioned such that the fluid flow path in the drip chamber is |
| 6554806 |
Burette safety valve |
April 29, 2003 |
| A system for controlling fluid flow through multiple conduits for use in a fluid administration device. The system includes a housing, a cam, and a control element used to move the cam to selectively occlude the conduits. When used with a medical burette, the cam is located between the v |
| 6541802 |
Needleless valve |
April 1, 2003 |
| A needless valve is described which avoids the suctioning problems of the prior needleless devices upon deactivation and which preferably provides a positive self-purging effect. The valve is self-purging at the end of an administration cycle, avoiding clogging of attached catheters or o |
| 6495806 |
Closed loop system and method for heating a probe |
December 17, 2002 |
| A system and method for rapidly preheating the probe of a thermometer to a temperature closer to the temperature of a patient to be measured. The system comprises a probe heater, a probe temperature sensor, a power source, and a processor for controlling the delivery of energy from the |
| 6461037 |
Thermometer probe for use with disposable probe cover |
October 8, 2002 |
| A medical probe having a handle with an end cap mounted at the proximal end of the handle for urging ejector wires through the handle and out of the distal end of the handle to push off a probe cover frictionally secured to the probe and overlying a probe shaft. The retention device to r |
| 6431219 |
Coextruded tubing |
August 13, 2002 |
| Flexible medical grade PVC tubing has inner and outer layers coextruded with different plasticizers, with the first, inside layer of the tubing containing a plasticizer, such as di-ethylhexyl adipate, and having a thickness adapted to limit migration of a second plasticizer, such as |
| 6428509 |
Syringe plunger driver system and method |
August 6, 2002 |
| A syringe plunger driver system capable of engaging different sized syringes. A drive head includes a pushing surface as well as spaced-apart arms biased toward each other and toward the pushing surface. An activating lever moved to a first position moves the arms outward away from e |
| 6416291 |
Fluid flow resistance monitoring system |
July 9, 2002 |
| Flow parameters in a fluid delivery assembly are determined by monitoring pressure responses and processing those responses along with information regarding the fluid flow. In one aspect, a processor controls the pump to pump flow quantities in accordance with a pseudorandom code. Portio |
| 6407335 |
Medical device interface system |
June 18, 2002 |
| An interface device secures an instrument to a docking station having a casing having at least one signal port and a mounting rail mounted within a recessed portion of the casing. The signal ports may be power or data communications ports. A back panel forms part of an instrument housing |
| 6394771 |
System and method for increased flow uniformity |
May 28, 2002 |
| A system for increasing the volumetric flow uniformity of fluid pumped through a conduit by an infusion pump. A pumping mechanism operates in identifiable step movements that are broken down into microstep movements that are then grouped into packets. The pumping mechanism controls the |
| 6358225 |
Upstream occlusion detection system |
March 19, 2002 |
| A pumping segment of a fluid line alternately in fluid communication with the upstream and downstream portions of the fluid line connects a fluid supply to a fluid receiver. A pressure sensor located downstream of the segment monitors the pressure during the segment's communication with |
| 6355916 |
Closed loop system and method for heating a probe |
March 12, 2002 |
| A system and method for rapidly preheating the probe of a thermometer to a temperature closer to the temperature of a patient to be measured. The system comprises a probe heater, a probe temperature sensor, a power source, and a processor for controlling the delivery of energy from the |
| 6348777 |
Power management system |
February 19, 2002 |
| In a power supply of a patient care system, a power management system monitors the temperature of an off-line switcher and adjusts the amount of current supplied by the off-line switcher to operate the off-line switcher within a range of temperature and power limits. |
| 6347553 |
Force sensor assembly for an infusion pump |
February 19, 2002 |
| A force sensor assembly for use in peristaltic pumps includes a housing and a load cell at least partially disposed within the housing. A plunger, pivotable about an axis, has an upper surface and an underside surface distal from the upper surface. The underside surface cooperates with t |
| 6332090 |
Thermally isolated probe for biomedical apparatus and method of communicating energy there throu |
December 18, 2001 |
| The thermal isolation apparatus for the protruding probe of a biomedical thermometer includes an insulative air gap and a heat sink disposed between the surface of the probe and the optical path through the probe. The heat sink surrounds the optical path, such as a waveguide, and acts to |
| 6290650 |
Tonometry system for monitoring blood pressure |
September 18, 2001 |
| A system for noninvasively continuously monitoring arterial blood pressure includes a tissue stress sensor that has a continuous diaphragm for sensing stress within tissue adjacent a preselected artery caused by arterial pulsations within that artery. The stress sensitive diaphragm is |
| 6290206 |
Needleless valve |
September 18, 2001 |
| A needless valve is described which avoids the suctioning problems of the prior needleless devices upon deactivation and which preferably provides a positive self-purging effect. The valve is self-purging at the end of an administration cycle, avoiding clogging of attached catheters or o |
| 6270252 |
Predictive temperature measurement system |
August 7, 2001 |
| A method and device for rapidly predicting the temperature of an object through a sensor reading of the object's temperature by using a processor comprising finite impulse response (FIR) filters to determine the average value, the first derivative, and the second derivative of the sensed |
| 6267559 |
Apparatus and method for reducing power consumption in a peristaltic pump mechanism |
July 31, 2001 |
| The present invention utilizes a torque compensation system and a power control feedback system to reduce power consumption in a linear peristaltic pump. The linear peristaltic infusion pump includes an electric motor, which is connected to a cam shaft with multiple cams positioned t |
| 6213972 |
Fluid flow resistance monitoring system |
April 10, 2001 |
| Flow parameters in a fluid delivery assembly are determined by monitoring pressure responses and processing those responses along with information regarding the fluid flow. In one aspect, a processor controls the pump to pump flow quantities in accordance with a pseudorandom code. Portio |
| 6211642 |
Open-loop step motor control system |
April 3, 2001 |
| A motor control system that reduces noise while reducing power requirements but providing sufficient torque. A one-phase-on drive mode modified to microstep between "one phase on" positions is used to accelerate the motor in a non-linear manner to a maximum speed. The microstep drive mod |
| 6193480 |
System and method for increased flow uniformity |
February 27, 2001 |
| A system for increasing the volumetric flow uniformity of fluid pumped through a conduit by an infusion pump. A pumping mechanism operates in identifiable step movements that are broken down into microstep movements that are then grouped into packets. The pumping mechanism controls the |
| 6158965 |
Fluid flow resistance monitoring system |
December 12, 2000 |
| Flow parameters in a fluid delivery assembly are determined by monitoring pressure responses and processing those responses along with information regarding the fluid flow. In one aspect, a processor controls the pump to pump flow quantities in accordance with a pseudorandom code. Portio |
| 6146109 |
Infusion device with disposable elements |
November 14, 2000 |
| 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, wherein the cam followers are |
| 6142446 |
Medical adapter having needleless valve and sharpened cannula |
November 7, 2000 |
| A medical adapter having both a needleless valve and a sharpened cannula is used to connect or adapt pierceable septa containers or other devices having different sizes to needleless connection. The adapter includes a needleless site at one end and a sharpened cannula at the other end |
| 6110153 |
Infusion device with optical sensor |
August 29, 2000 |
| 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, wherein the cam followers are |
| 6016044 |
Open-loop step motor control system |
January 18, 2000 |
| A motor control system that reduces noise while reducing power requirements but providing sufficient torque. A one-phase-on drive mode modified to microstep between "one phase on" positions is used to accelerate the motor in a non-linear manner to a maximum speed. The microstep drive mod |
| 5967484 |
Intravenous tube occluder |
October 19, 1999 |
| A flexible tube occluder has a body portion and a slider portion which act to occlude a tube to prevent unwanted flow of fluid to a patient. The body portion and slider portion are engaged such that slider portion can move relative to body portion. The body portion extends the full range |
| 5961487 |
Infusion device with audible data output |
October 5, 1999 |
| A small, portable infusion device for ambulatory use by a patient includes an audible enunciator integrated circuit chip. This chip is controlled by a microprocessor to provide output data to an operator, and to work in place of, or in association with a visual output display, such as an |
| 5957885 |
Oximetry monitored, patient controlled analgesia system |
September 28, 1999 |
| A patient care system comprising an interface unit, a Patient Controlled Analgesia (PCA) unit, and a pulse oximetry unit is disclosed. The PCA unit provides PCA administration, including administration of a dose of analgesic upon request, and the pulse oximetry unit provides constant |
