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| Number | Title | Issue Date |
| 7669598 | Remote control and tactile feedback system and method for medical apparatus A system and method are for monitoring control signals provided to a medical apparatus bases upon tactile feedback from the apparatus. The system and method employ a monitoring signal indicative of a parameter relating to the apparatus or to a condition of a patient... | 03/02/2010 |
| 7412272 | Finger sleeve sensor holder A conformable medical sensor is provided that has particular applicability for positioning a pulse oximeter sensor relative to a patient appendage. In one embodiment, the sensor holder includes a patient engaging member that is plastically deformable to permit the s... | 08/12/2008 |
| 7152597 | Breathing circuit adapter An adapter couples a patient's breathing circuit to a ventilator. In the preferred embodiment, the adapter comprises an inhalation conduit having a first end for coupling the adapter to the ventilator and a second end for coupling the adapter to the patient breathin... | 12/26/2006 |
| 7139599 | Cepstral domain pulse oximetry Processing of plethysmographic signals via the cepstral domain is provided. In one embodiment, a cepstral domain plethysmographic signal processing method (200) includes the steps of obtaining (210) time domain plethysmographic signals, smoothing (2... | 11/21/2006 |
| 7108653 | Canopy adjustable mounting system for infant warming apparatus An infant warming apparatus having a canopy movable with respect to an infant support between a lower position where the canopy mates with an upper peripheral edge of vertical walls extending upwardly from the infant support to enclose the infant in an infant compar... | 09/19/2006 |
| 7076435 | Method for transferring patient information from a source monitor to a destination monitor A method and system for transferring patient information from a source patient monitor having a source patient database to a destination patient monitor having a destination patient database. In a preferred embodiment, a transport module is connectable to a source p... | 07/11/2006 |
| 7001337 | Monitoring physiological parameters based on variations in a photoplethysmographic signal A method and apparatus are disclosed for using photoplethysmography to obtain physiological parameter information related to respiration rate, heart rate, heart rate variability, blood volume variability and/or the autonomic nervous system. In one implementation, th... | 02/21/2006 |
| 6987994 | Pulse oximetry SpO2 determination The improved pulse oximeter preprocesses the sets of red and infrared signals received from the probe to remove ambient light, to remove noise, and to de-exponeniate the signals. The linearity of the processed red and infrared signals allows the use of statistical t... | 01/17/2006 |
| 6985762 | Network formatting for remote location oximetry applications The present invention provides an apparatus and method for formatting data from a pulse oximetry monitoring device to include display layout information for use by a remotely located display unit. In this regard, the remotely located display unit is in data communic... | 01/10/2006 |
| 6953427 | Infant care apparatus with object detection sensing An infant care apparatus having a canopy movable with respect to an infant support for supporting an infant between a lower position enclosing the infant in an infant compartment and an upper position opening the infant compartment. The canopy has an opening and a d... | 10/11/2005 |
| 6929041 | Keyed anesthetic vaporizer filling system A system for facilitating the delivery of a liquid anesthetic agent from an anesthetic bottle to an anesthetic vaporizer. The system includes a bottle adapter, an anesthetic bottle and a filler arrangement positioned on the anesthetic vaporizer. The bottle adapter a... | 08/16/2005 |
| 6931269 | Multi-domain motion estimation and plethysmographic recognition using fuzzy neural-nets Pulse oximetry is improved through classification of plethysmographic signals by processing the plethysmographic signals using a neural network that receives input coefficients from multiple signal domains including, for example, spectral, bispectral, cepstral and W... | 08/16/2005 |
| 6913571 | Direct heater control for infant care apparatus A heater control system for an infant warming apparatus. The apparatus has a radiant heater comprising a heating element that is energized by an electrical supply to emit radiant energy toward the infant on the platform. The power delivered to the heater element is ... | 07/05/2005 |
| 6905457 | Radiant field management for infant care apparatus An infant warming apparatus that has a canopy vertically movable with respect to an infant resting on an infant between a lower position wherein the apparatus functions as an incubator and an upper position where the apparatus functions as an infant warmer. A radian... | 06/14/2005 |
| 6896661 | Monitoring physiological parameters based on variations in a photoplethysmographic baseline signal A method and apparatus are disclosed for using photoplethysmography to obtain physiological parameter information related to respiration or the autonomic nervous system. In one implementation, the process involves obtaining (602) a pleth, filtering (604 | 05/24/2005 |
| 6893390 | Movable canopy for infant care apparatus An infant warming apparatus for supporting an infant upon an infant platform. A radiant heater is located above the infant platform at one end thereof. A canopy covers the infant platform and is movable between a closed position where the infant is enclosed and an o... | 05/17/2005 |
| 6882874 | Compensation of human variability in pulse oximetry The invention relates to the calibration of a pulse oximeter intended for non-invasively determining the amount of at least two light-absorbing substances in the blood of a subject. In order to bring about a solution by means of which the effects caused by the tissu... | 04/19/2005 |
| 6837845 | Calibration system without using potentiometers A calibration system for use with a radiant heater of an infant apparatus such as an infant warmer or an infant incubator. The system includes an electrical circuit that is used to sense the temperature of the infant by means of a thermistor and to provide a digital... | 01/04/2005 |
| 6839582 | Pulse oximetry method and system with improved motion correction A pulse oximetry method and system for improved motion correction is disclosed. The method/system provides for the use of a detector output signal to obtain a different plurality of differential absorption data sets in corresponding relation to each of a succession ... | 01/04/2005 |
| 6835172 | Calibration system without using potentiometers A calibration system for use with a radiant heater of an infant apparatus such as an infant warmer or an infant incubator. The system includes an electrical circuit that is used to sense the temperature of the infant by means of a thermistor and to provide a digital... | 12/28/2004 |
| 6834647 | Remote control and tactile feedback system for medical apparatus A remote control and tactile feedback system for a medical apparatus, such as a patient ventilator. The ventilator provides a signal having a property indicative of a desired parameter, such as airway pressure or tidal volume. The system has a member suitable for be... | 12/28/2004 |
| 6825619 | Feedback-controlled LED switching An oximeter has an op-amp with a first input, a second input, and an output, the first input being directly connected to a reference voltage. A switch has an input connected to the output of the op-amp, and has a plurality of switch outputs. A transistor has a contr... | 11/30/2004 |
| 6817390 | Keyed anesthetic vaporizer filling system A system for facilitating the delivery of a liquid anesthetic agent from an anesthetic bottle to an anesthetic vaporizer. The system includes a bottle adapter, an anesthetic bottle and a filler arrangement positioned on the anesthetic vaporizer. The bottle adapter a... | 11/16/2004 |
| 6805673 | Monitoring mayer wave effects based on a photoplethysmographic signal A photoplethysmographic instrument is used to obtain physiological parameter information related to low frequency heart rate and blood volume variability. In one implementation, a plethysmographic signal is filtered relative to a Mayer Wave frequency to provide an o... | 10/19/2004 |
| 6778923 | Reduced cross talk pulse oximeter A system and method of reducing cross talk in pulse oximetry signals that are attenuated by a patient tissue site are provided. In one embodiment, Red and IR LEDs of a pulse oximeter are separately excited (1010) and the respective Red and IR data vectors out... | 08/17/2004 |
| 6745800 | Arrangement for preventing overfill of anesthetic liquid A filling system for use between an anesthetic storage container and a drug reservoir of an anesthetic vaporizer to prevent overfilling of the drug reservoir. The filling system includes a filling conduit that extends between the drug reservoir and the anesthetic st... | 06/08/2004 |
| 6748253 | Oversampling pulse oximeter An oversampling pulse oximeter includes an analog to digital converter with a sampling rate sufficient to take multiple samples per source cycle. In one embodiment, a pulse oximeter (100) includes two mor more light sources (102) driven by light source... | 06/08/2004 |
| 6745061 | Disposable oximetry sensor The invention is directed to a disposable oximetry sensor having an integrally formed connector. In one aspect, the sensor includes a clear flexible substrate on which a light emitter and/or light detector (collectively active component(s)) are mounted to allow thos... | 06/01/2004 |
| 6720734 | Oximeter with nulled op-amp current feedback A method of producing a diode drive current in an oximeter includes sensing at least a part of a current passing through the diode and converting the sensed current to a sensed voltage, inputting the sensed voltage to a feedback amplifier for stabilizing the current... | 04/13/2004 |
| 6714803 | Pulse oximetry SpO2 determination The improved pulse oximeter preprocesses the sets of red and infrared signals received from the probe to remove ambient light, to remove noise, and to de-exponeniate the signals. The linearity of the processed red and infrared signals allows the use of statistical t... | 03/30/2004 |
| 6709402 | Apparatus and method for monitoring respiration with a pulse oximeter An apparatus and method for monitoring a secondary physiological process through variations caused by the secondary process in an optical signal used to calculate values related to blood oxygen levels. In particular, the optical signal may be divided into distinct p... | 03/23/2004 |
| 6707257 | Ferrite stabilized LED drive An oximeter diode-driving device has a diode, a transistor operative to controllably connect current to the diode, a current sensing resistor that senses at least part of the current, a feedback amplifier operative to control the connecting of current by the transis... | 03/16/2004 |
| 6702752 | Monitoring respiration based on plethysmographic heart rate signal A pleth signal is analyzed to identify a heart rate variability parameter associated with respiration rate. In one embodiment, an associated process involves obtaining a photoplethysmograpic signal, processing the pleth signal to obtain heart rate samples... | 03/09/2004 |
| 6697653 | Reduced wire count voltage drop sense The present invention provides a reduced wire count voltage-drop sense system and method wherein the voltage drop across a load device is determinable using only one sense lead regardless of the number of load devices. In one embodiment, the voltage drop ... | 02/24/2004 |
| 6668183 | Diode detection circuit A photoplethysmographic system and method is provided to identify compatible sensors to monitors and/or for determining sensor attributes. The improved system includes a signal generation means for providing an interrogation signal, an identifying means c... | 12/23/2003 |
| 6650918 | Cepstral domain pulse oximetry Processing of plethysmographic signals via the cepstral domain is provided. In one embodiment, a cepstral domain plethysmographic signal processing method (200) includes the steps of obtaining (210) time domain plethysmographic signals, smoothing (220) th... | 11/18/2003 |
| 6623463 | Push to set vacuum system A vacuum system for applying vacuum to the body cavity of a patient where a flow switch is provided that is located upstream of a vacuum regulator that can be adjusted to establish the level of vacuum desired to be applied to the patient. The flow switch ... | 09/23/2003 |
| 6619289 | Carbon dioxide absorber canister with breathing gas moisture sump A moisture sump integrated into a carbon dioxide absorber canister provides a collection reservoir for condensate from a patient ventilator system when the carbon dioxide absorber canister is attached to the ventilator system. The volume of the moisture s... | 09/16/2003 |
| 6585016 | Keyed anesthetic vaporizer filling system A system for facilitating the delivery of a liquid anesthetic agent from an anesthetic bottle to an anesthetic vaporizer. The system includes a bottle adapter, an anesthetic bottle and a filler arrangement positioned on the anesthetic vaporizer. The bottl... | 07/01/2003 |
| 6585636 | Heater door mechanism for infant warming apparatus An infant warming apparatus that functions both as an infant incubator as well as an infant warmer. The apparatus has a heater that moves vertically with respect to an infant support during the change in function between an infant incubator and an infant ... | 07/01/2003 |
