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Datex-Ohmeda, Inc. Patents
Assignee:
Datex-Ohmeda, Inc.
Address:
Madison, WI
No. of patents:
112
Patents:


1 2 3










Patent Number Title Of Patent Date Issued
D462662 Sensor connector September 10, 2002
D456776 Snap sensor connector May 7, 2002
7841985 Sensor identification method and system November 30, 2010
An inventive method and system are provided for identifying a compatible photoplethysmographic sensor when interconnected to a given photoplethysmographic monitor. The method and system may further provide for the identification of which of a plurality of compatible sensors is interc
7669598 Remote control and tactile feedback system and method for medical apparatus March 2, 2010
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 associated with t
7549421 Method and system for integrating ventilator and medical device activities June 23, 2009
A method for integrating a ventilator device with a monitoring device and other medical devices that allows the function of the monitoring device and medical devices to automatically change based on initiation of a respiratory therapy procedure. In addition, modification of behavior on
7412272 Finger sleeve sensor holder August 12, 2008
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 sensor holder to be
7198502 Latching medical patient parameter safety connector and method April 3, 2007
The present invention is directed to a socket connector to couple electrical plugs to sockets mounted on circuit boards or cable ends. The socket connector includes a socket that receives an electrical plug and a socket silo. The silo may contain a beveled outer surface that receives a
7190987 Neonatal bootie wrap March 13, 2007
The present invention is directed to a holder for use in positioning a pulse oximeter sensor in multiple selectable locations relative to a patient's extremities. The holder includes at least one flexible elongate member that is conformable to and, preferably, about a patient's extre
7152597 Breathing circuit adapter December 26, 2006
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 breathing circuit; an exhalati
7139599 Cepstral domain pulse oximetry November 21, 2006
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) the time domain plethysmographi
7117590 Latching medical patient parameter safety connector and method October 10, 2006
The present invention is directed to a socket connector to couple electrical plugs to sockets mounted on circuit boards or cable ends. The socket connector includes a socket that receives an electrical plug and a socket silo. The silo may contain a beveled outer surface that receives a
7108653 Canopy adjustable mounting system for infant warming apparatus September 19, 2006
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 compartment and an upper
7076435 Method for transferring patient information from a source monitor to a destination monitor July 11, 2006
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 patient monitor and a
7062307 Oversampling pulse oximeter June 13, 2006
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 or more light sources (102) driven by light source drives (104) in response to driv
7001337 Monitoring physiological parameters based on variations in a photoplethysmographic signal February 21, 2006
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, the process involves
6987994 Pulse oximetry SpO2 determination January 17, 2006
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 techniques such as line
6985762 Network formatting for remote location oximetry applications January 10, 2006
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 communication with the pulse
6953427 Infant care apparatus with object detection sensing October 11, 2005
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 door that can be closed
6931269 Multi-domain motion estimation and plethysmographic recognition using fuzzy neural-nets August 16, 2005
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 Wavelet filtered signal
6929041 Keyed anesthetic vaporizer filling system August 16, 2005
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 and filler arrangement
6913571 Direct heater control for infant care apparatus July 5, 2005
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 directly ascertain
6905457 Radiant field management for infant care apparatus June 14, 2005
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 radiant heater is located on
6896661 Monitoring physiological parameters based on variations in a photoplethysmographic baseline sign May 24, 2005
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) the pleth to remove unwanted
6893390 Movable canopy for infant care apparatus May 17, 2005
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 open position provi
6882874 Compensation of human variability in pulse oximetry April 19, 2005
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 tissue of the subject can b
6839582 Pulse oximetry method and system with improved motion correction January 4, 2005
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 of measurement, wh
6837845 Calibration system without using potentiometers January 4, 2005
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 signal representative
6835172 Calibration system without using potentiometers December 28, 2004
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 signal representative
6834647 Remote control and tactile feedback system for medical apparatus December 28, 2004
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 being received in the
6825619 Feedback-controlled LED switching November 30, 2004
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 control input connected to
6817390 Keyed anesthetic vaporizer filling system November 16, 2004
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 and filler arrangement
6805673 Monitoring mayer wave effects based on a photoplethysmographic signal October 19, 2004
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 output related to low
6748253 Oversampling pulse oximeter June 8, 2004
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 drives (104) in response to drive s
6745800 Arrangement for preventing overfill of anesthetic liquid June 8, 2004
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 storage container to all
6745061 Disposable oximetry sensor June 1, 2004
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 those components to em
6720734 Oximeter with nulled op-amp current feedback April 13, 2004
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 passing through the d
6714803 Pulse oximetry SpO2 determination March 30, 2004
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 techniques such as line
6709402 Apparatus and method for monitoring respiration with a pulse oximeter March 23, 2004
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 portions such that a
6707257 Ferrite stabilized LED drive March 16, 2004
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 transistor according to the
6702752 Monitoring respiration based on plethysmographic heart rate signal March 9, 2004
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, monitoring the heart rate sampl
6699173 Canopy seal for infant care apparatus March 2, 2004
An infant care apparatus having a canopy movable vertically with respect to an infant platform. The canopy has a lower edge mating with upper peripheral edges of a plurality of vertical walls forming an infant compartment. At least one of the vertical walls is a door pivotally affixe
6697653 Reduced wire count voltage drop sense February 24, 2004
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 across any one of four LEDs (
6668183 Diode detection circuit December 23, 2003
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 coupled between a first and se
6650918 Cepstral domain pulse oximetry November 18, 2003
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) the time domain plethysmographic
6623463 Push to set vacuum system September 23, 2003
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 provides an easy device for the
6619289 Carbon dioxide absorber canister with breathing gas moisture sump September 16, 2003
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 sump is appropriately sized so tha
6585636 Heater door mechanism for infant warming apparatus July 1, 2003
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 warmer. The heater also has a doo
6585016 Keyed anesthetic vaporizer filling system July 1, 2003
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 and filler arrangement
6581592 Purge system for nitric oxide administration apparatus June 24, 2003
A nitric oxide delivery system is disclosed that delivers a pulsed volume of NO containing therapeutic gas to a patient upon each inhalation of the patient. The NO delivery system includes certain functions to provide protection against the inadvertent inclusion of NO.sub.2 in the th
6571792 Smart modular anesthesia respiratory system June 3, 2003
An anesthesia system wherein the respiratory system is fitted with interchangeable patient circuit modules that allows a generic fitting in the machine to have affixed, hereto, a module that has ports suitable for connection to various patient breathing circuits. As such, the anesthesia
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