Patent application number | Description | Published |
20120111938 | MEDICAL IDENTIFICATION SYSTEM AND METHOD OF IDENTIFYING INDIVIDUALS, MEDICAL ITEMS, AND ASSOCIATIONS THEREBETWEEN USING SAME - An assembly and method of identifying and visually associating individuals and medical equipment includes a computing device having a software algorithm that determines a unique combination of one or more human cognitive identifiers to avoid confusion and displays the determined selection on an electronic skin located on the individual or medical equipment so that identities and associations amongst individuals and equipment can be understood readily. | 05-10-2012 |
20130046508 | PATTERN RECOGNITION SYSTEM AND METHOD FOR THE DETECTION OF STUCK FLUID DROPLETS IN A FLUID DELIVERY LINE OF AN INFUSION SYSTEM - An infusion system includes a pump, a fluid delivery line, a sensor, a processor, and a memory. The fluid delivery line is connected to the pump for delivering fluid. The sensor is connected to the fluid delivery line for emitting and receiving signals to detect whether there is air in the fluid delivery line. The processor is in electronic communication with the pump and the sensor. The memory is in electronic communication with the processor. The memory includes programming code for execution by the processor. The programming code is configured to analyze the signals to determine if a stuck fluid droplet is stuck within the fluid delivery line at a location of the sensor. | 02-21-2013 |
20130085689 | FROTH DETECTION SYSTEM AND METHOD - An infusion system includes a pump, a fluid delivery line, at least one sensor, a processor, and a memory. The fluid delivery line is connected to the pump for delivering fluid. The at least one sensor is connected to the fluid delivery line for emitting and receiving signals to detect whether there is air in the fluid delivery line. The processor is in electronic communication with the pump and the at least one sensor. The memory is in electronic communication with the processor. The memory comprises programming code for execution by the processor. The programming code is configured to determine a percentage of the air within an observed volume of the fluid delivery line. | 04-04-2013 |
20130261993 | AIR DETECTION SYSTEM AND METHOD FOR DETECTING AIR IN A PUMP OF AN INFUSION SYSTEM - Various systems and methods for detecting air in a chamber of an infusion system are disclosed. In one embodiment, a determination is made that air is contained in the chamber on the basis of a change in the average force exerted against the plunger utilizing a derivative spike for event detection and a systematic reduction in the average force to confirm the nature of the change. In another embodiment, a determination is made that the chamber contains air when a difference between the current force profile and a baseline force profile crosses a threshold. In an additional embodiment, a force profile is classified as being an air force profile or a liquid force profile based on extracted features of the force profile. | 10-03-2013 |
20140121639 | FLUID FLOW PASSAGE TO IMPROVE AIR-IN-LINE DETECTION - Infusion systems and methods containing unique inner passage configurations are provided to improve the in-line detection of air in a fluid delivery line of an infusion system by reducing the problems associated with the presence of bouncing air bubbles and stuck fluid droplets in the fluid delivery line. | 05-01-2014 |
20140350513 | MULTI-SENSOR INFUSION SYSTEM FOR DETECTING AIR OR AN OCCLUSION IN THE INFUSION SYSTEM - An infusion system for being operatively connected to a fluid delivery line and to an infusion container includes a pump, a plurality of different types of sensors connected to the pump or the fluid delivery line, at least one processor, and a memory. The plurality of different types of sensors are configured to indicate whether air is in the fluid delivery line. The memory includes programming code for execution by the at least one processor. The programming code is configured to, based on measurements taken by the plurality of different types of sensors, determine: whether there is air in the fluid delivery line; whether there is a partial occlusion or a total occlusion in the fluid delivery line; or a percentage of the air present in the fluid delivery line or the probability of the air being in the fluid delivery line. | 11-27-2014 |
20140358077 | INFUSION SYSTEM WHICH UTILIZES ONE OR MORE SENSORS AND ADDITIONAL INFORMATION TO MAKE AN AIR DETERMINATION REGARDING THE INFUSION SYSTEM - In one step of a method for infusing an infusion fluid, the infusion fluid is pumped through a fluid delivery line of an infusion system. In another step, measurements are taken with at least one sensor connected to the infusion system. In an additional step, an air determination is determined with at least one processor. The air determination is related to air in the fluid delivery line. The air determination is based on the measurements taken by the at least one sensor. The air determination is further based on: (1) medication information regarding the infusion fluid or infusion information regarding the infusion of the infusion fluid; or (2) multi-channel filtering of the measurements from the at least one sensor or non-linear mapping of the measurements from the at least one sensor; and statistical process control charts applied to the multi-channel filtered measurements or applied to the non-linear mapped measurements. | 12-04-2014 |
20140358081 | INFUSION SYSTEM AND METHOD OF USE WHICH PREVENTS OVER-SATURATION OF AN ANALOG-TO-DIGITAL CONVERTER - To detect air in a fluid delivery line of an infusion system, infusion fluid is pumped through a fluid delivery line adjacent to at least one sensor. A signal is transmitted and received using the at least one sensor into and from the fluid delivery line. The at least one sensor is operated, using at least one processor, at a modified frequency which is different than a resonant frequency of the at least one sensor to reduce an amplitude of an output of the signal transmitted from the at least one sensor to a level which is lower than a saturation level of the analog-to-digital converter to avoid over-saturating the analog-to-digital converter. The signal received by the at least one sensor is converted from analog to digital using an analog-to-digital converter. The at least one processor determines whether air is in the fluid delivery line based on the converted digital signal. | 12-04-2014 |
20150066531 | SYSTEM AND METHOD OF MONITORING AND MANAGING A REMOTE INFUSION REGIMEN - A method and system for monitoring and managing a remote infusion regimen where a prescribed infusion regimen is provided and compared to subsequent infusion event data to determine if the data falls within predetermined parameters. If the data does not fall within predetermined parameters a monitoring technician, supportive caregiver, patient or some combination thereof are immediately notified so that corrective action may be taken. | 03-05-2015 |
20150088070 | FAIL-SAFE DRUG INFUSION THERAPY SYSTEM - A fail-safe drug infusion system, including a user interface controller (UIC) and at least one pump motor controller (PMC), with protocols that enable the PMC to operate therapy delivery for a limited amount of time if the UIC fails or the communication link between the UIC and the PMC is interrupted. Includes synchronization methods to synchronize the delivery information back to the UIC after the UIC reboots or after the communication link is restored. The PMC may apply intelligent fail-safe drug infusion therapy by temporarily displaying therapy information, for example information normally displayed by the UIC, while taking control of alarm signaling and providing minimal user control of the therapy until the UIC restores itself, the infusion completes normally, or the user stops the infusion. If the PMC becomes inoperable, the UIC may wait for the PMC to reboot, or attempt to switch infusion channels to provide robust drug infusion. | 03-26-2015 |
20150317891 | PATIENT CARE SYSTEM WITH CONDITIONAL ALARM FORWARDING - A patient care system is disclosed that includes a medical device such as an infusion pump. The medical device generates a data message containing information such as the status of the therapy being delivered, operating data or both. An alarm generating system assesses the data message from the pump and generates an alarm message if certain conditions established by a first set of rules are met. The alarm message is assessed according to a second set of rules as to whether to suppress the alarm message. The data message contains a required input for both the first and second algorithms. A dispatching system is adapted to forward the alarm message to an alarm destination according to a third set of rules. The alarm destination expresses an alarm upon receipt of the alarm message. | 11-05-2015 |
Patent application number | Description | Published |
20080202214 | CRYSTALLIZATION POINT AUTOMATED TEST APPARATUS - An apparatus for optically detecting the degree of crystallization in a fluid sample while simultaneously measuring the temperature of the fluid sample during cooling or heating of the sample is disclosed. The apparatus includes: a test vial for containing a fluid sample in an interior of the vial, wherein the test vial is light permeable; a cooling source for cooling the fluid sample; a temperature sensor positioned in the interior of the test vial for measuring the temperature of the fluid sample; an external light source configured to direct light into the test vial; and an external light detector configured to measure the amount of light that traverses both the test vial and the fluid sample. | 08-28-2008 |
20080202215 | PRESSURIZED CRYSTALLIZATION POINT AUTOMATED TEST APPARATUS - A pressurized crystallization point test apparatus for pressurizing a fluid sample and optically detecting the degree of crystallization in the fluid sample while simultaneously measuring the temperature and change in volume of the fluid sample during cooling or heating of the sample is disclosed. The apparatus includes: a cell for containing a fluid sample in an interior of the cell, wherein the cell comprises a first transparent window and a second transparent window; a cooling source for cooling the fluid sample; a pressure source for pressurizing the fluid sample; a temperature sensor positioned in the interior of the cell for measuring the temperature of the fluid sample; an external light source configured to direct light into the cell through the first transparent window; and an external light detector configured to measure the amount of light that traverses the first transparent window, a portion of the fluid sample, and the second transparent window. | 08-28-2008 |
20110281370 | CATION EXCHANGE CAPACITY TITRATION UNIT - Disclosed herein is a cation exchange capacity titration unit comprising a titration cell having a closed bottom end in fluid communication with an open top end; a recirculation loop comprising a pump and a sensing unit, wherein the pump comprises a pump inlet in fluid communication with the bottom end of the titration cell, and a pump outlet in fluid communication with a sensing unit inlet, the sensing unit inlet being in fluid communication with a sensing unit outlet, wherein the sensing unit outlet is in fluid communication with the top end of the titration cell such that operation of the pump results in an analyte sample flowing from the bottom end through the pump, through the sensing unit, and back into the top end of the titration cell in a continuous loop. A method of determining the cation exchange capacity of a sample is also disclosed. | 11-17-2011 |
Patent application number | Description | Published |
20090283106 | METHOD OF DELIVERING A HAIR CARE BENEFIT - A method of delivering a hair care active to the hair including the use of a hair care active and a portable moist heat delivery system comprising: a water vapor generating portion comprising a water vapor source and a heat source; and a water vapor-air regulating portion located at a hair-facing side of the water vapor generating portion, the water vapor-air regulating portion comprising a water vapor-air mixing layer, a water vapor-air distribution layer, a latent heat delivery surface, and optionally a hair contact layer, where the water vapor generating portion and the water vapor-air regulating portion are in fluid communication is disclosed. | 11-19-2009 |
20090287168 | METHOD OF DELIVERING A SKIN BENEFIT - A method of providing a skin benefit to the skin including the use of a skin care active and a portable moist heat delivery system comprising: a water vapor generating portion comprising a water vapor source and a heat source; and a water vapor-air regulating portion located at a skin-facing side of the water vapor generating portion, the water vapor-air regulating portion comprising a water vapor-air mixing layer, a water vapor-air distribution layer, a latent heat delivery surface, and optionally a skin contact layer, where the water vapor generating portion and the water vapor-air regulating portion are in fluid communication is disclosed. | 11-19-2009 |
20090287280 | Portable moist heat system - A portable moist heat delivery system comprising a water vapor generating portion comprising a water vapor source and a heat source; a water vapor-air regulating portion, said water vapor-air regulating portion comprising a water vapor-air mixing layer, and a water vapor-air distribution layer; said water vapor generating portion and said water vapor-air regulating portion being in fluid communication; and said water vapor-air regulating portion having a latent heat delivery surface disposed adjacent said water vapor-air regulating portion which delivers moist heat at a preselected temperature range wherein about 15% to about 95% of the moist heat is latent heat of condensation. Methods include delivering improved pain relief, blood flow, relaxation, and reduced cardiac workload. | 11-19-2009 |
20130190553 | Portable Moist Heat System - A portable moist heat delivery system comprising a water vapor generating portion comprising a water vapor source and a heat source; a water vapor-air regulating portion, said water vapor-air regulating portion comprising a water vapor-air mixing layer, and a water vapor-air distribution layer; said water vapor generating portion and said water vapor-air regulating portion being in fluid communication; and said water vapor-air regulating portion having a latent heat delivery surface disposed adjacent said water vapor-air regulating portion which delivers moist heat at a preselected temperature range wherein about 15% to about 95% of the moist heat is latent heat of condensation. Methods include delivering improved pain relief, blood flow, relaxation, and reduced cardiac workload. | 07-25-2013 |
Patent application number | Description | Published |
20100309942 | Quantum Cascade Lasers (QCLs) Configured to Emit Light Having a Wavelength in the 2.5 - 3.8 Micrometer Band - Quantum cascade lasers (QCLs) with intra-cavity second-harmonic generation configured to emit light in the λ=2.5-3.8 μm band, and methods of use and manufacture. | 12-09-2010 |
20120033697 | WAVELENGTH BEAM COMBINING OF QUANTUM CASCADE LASER ARRAYS - A laser source based on a quantum cascade laser array (QCL), wherein the outputs of at least two elements in the array are collimated and overlapped in the far field using an external diffraction grating and a transform lens. | 02-09-2012 |
20120120972 | Quantum Cascade Lasers with Electrically Tunable Emission Wavelengths - The present invention provides a QCL device with an electrically controlled refractive index through the Stark effect. By changing the electric field in the active area, the energy spacing between the lasing energy levels may be changed and, hence, the effective refractive index in the spectral region near the laser wavelength may be controlled. | 05-17-2012 |
20120167261 | High Frequency Deflection Measurement of IR Absorption - An AFM based technique has been demonstrated for performing highly localized IR spectroscopy on a sample surface by using the AFM probe to detect wavelength dependent IR radiation interaction, typically absorption with the sample in the region of the tip. The tip may be configured to produce electric field enhancement when illuminated by a radiation source. This enhancement allows for significantly reduced illumination power levels resulting in improved spatial resolution by confining the sample-radiation interaction to the region of field enhancement which is highly localized to the tip. | 06-28-2012 |
20120207186 | TERAHERTZ QUANTUM CASCADE LASERS (QCLS) - Quantum cascade lasers (QCLs), and methods of manufacture of QCLs, comprising an active portion. In some embodiments, the active portion can comprise: a plurality of tensiley strained quantum barrier layers, each comprising Ga | 08-16-2012 |
20120243821 | TUNABLE OPTICAL FILTER UTILIZING A LONG-RANGE SURFACE PLASMON POLARITON WAVEGUIDE TO ACHIEVE A WIDE TUNING RANGE - An optical filter and a method for fabricating an optical filter with a wide tuning range and a structure subject to miniaturization. The optical filter includes a bottom and a top dielectric layer with a stripe or film of metal between the dielectric layers which have dissimilar refractive index dispersion. The stripe of metal functions as a waveguide supporting a long-range surface plasmon polariton mode which will be achieved at wavelengths for which the refractive indices of the dielectric layers are the same thereby providing a bandpass filter. Furthermore, one of the dielectric layers is made of a material that allows its refractive index to be tuned, such as by changing its applied voltage or temperature. By tuning the refractive index of the dielectric layer, the wavelength at which the refractive indices of the dielectric layers match changes thereby effectively tuning the optical filter. | 09-27-2012 |
20150311665 | EXTERNAL CAVITY SYSTEM GENERATING BROADLY TUNABLE TERAHERTZ RADIATION IN MID-INFRARED QUANTUM CASCADE LASERS - A broadly tunable terahertz source constructed as an external cavity system using a difference-frequency generation quantum cascade laser source. The external cavity system includes an external diffraction grating configured to tune and reflect mid-infrared emission at a first wavelength. The laser includes a mid-infrared feedback grating defined in the laser waveguide of the laser to fix mid-infrared lasing at a second wavelength. Alternatively, two external diffraction gratings may be configured to tune and reflect mid-infrared emission at a first wavelength and a second wavelength. Tunable terahertz radiation is then generated at frequency ω | 10-29-2015 |