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| Number | Title | Issue Date |
| 7435220 | Monitoring, system for cardiac surgical operations with cardiopulmonary bypass A monitoring system for cardiac operations with cardiopulmonary bypass comprising: a processor operatively connected to a heart-lung machine; a pump flow detecting device connected to a pump of the heart-lung machine to continuously measure the pump flow value and s... | 10/14/2008 |
| 7395159 | Method, system and devices for converting venous blood values to arterial blood values A methodology for converting venous blood values to arterial blood values provides the advantage of obviating the need for taking arterial blood samples. The method entails (i) measuring arterial oxygenation, (ii) measuring and estimating values of venous blood acid... | 07/01/2008 |
| 7333844 | Uterine tissue monitoring device and method The invention provides a devices, methods and systems to measure and record uterine tissue environment components such as pH during the course of uterine artery occlusion. The uterus becomes ischemic due to the occlusion thereof, and its pH drops sharply within minu... | 02/19/2008 |
| 7305215 | Radio link check The present invention is directed towards a method, a link check device, and a portable communication device for communication link check. The link check device (102) comprises a receiver unit (104) for receiving and monitoring information including a ... | 12/04/2007 |
| 7297113 | Microsensor system and method for measuring data One embodiment is a microprobe. An example of the microprobe comprises a housing having an aperture. This example of the microprobe also comprises an ISFET attached to the housing. The ISFET may have a gate located proximate the aperture. This example of the micropr... | 11/20/2007 |
| 7291502 | Method for performing a non-invasive blood gas test A non-invasive blood gas test is carried out by a method that utilizes a venous blood sample together with a pulse oximeter and a plurality of mathematical equations. The method generates the following data points of the blood: (i) the pH level; (ii) the [H+] concen... | 11/06/2007 |
| 7286871 | Method and apparatus for reducing contamination of an electrical signal The method of reducing contamination of electrical signals recorded in the presence of repeated interference contamination comprises obtaining an electrical signal recorded in the presence of a contaminating signal, and detecting a timing signal that occurs at a fix... | 10/23/2007 |
| 7286983 | System and method for processing low signal-to-noise ratio signals A system and method for use in a real time system and for processing a signal with a low signal-to-noise ratio (SNR). The system comprises a model for modeling an expected signal and a filter that uses the model for filtering the signal. The filter is used for gener... | 10/23/2007 |
| 7261692 | Skin permeable gas collector and skin permeable gas measuring apparatus An apparatus for measuring skin permeable gas, which can be used to obtain clinical information by noninvasive and bloodless operations and is useful for in-home medical care and health management. The apparatus includes a device for collecting skin permeable gas in... | 08/28/2007 |
| 7257985 | Apparatus and method for real time determination of density and related parameters in manufacturing processes Methods and apparati for measuring entrained gas content. One of the disclosed apparatus embodiments includes a chamber and piping for process fluid, the piping including two different sectors each comprising a density and temperature gauge having a pressure gauge l... | 08/21/2007 |
| 7238301 | Cross-linked encapsulated phosphorescent molecules There is provided herein cross-linked, phosphorescent micro- and nano-particles and applications of those particles. The invention uses halogen-containing polymers and co-polymers (HCPs) as an encapsulation matrix for organic and organometallic phosphorescent compou... | 07/03/2007 |
| 7231242 | Method for measuring blood urea level by reverse iontophoresis A method for measuring and determining urea level in human blood by reverse iontophoresis comprising the following steps of: placing an anode electrode on skin, placing a container comprising a solution including u... | 06/12/2007 |
| 7215987 | Method and apparatus for processing signals reflecting physiological characteristics The invention comprises a method and apparatus for processing signals reflecting a physiological characteristic by detecting the intensity of light following tissue absorption at two wavelengths and subtracting the best estimate of the desired signal from the differ... | 05/08/2007 |
| 7189341 | Electrochemical sensor ink compositions, electrodes, and uses thereof The invention is directed to conductive polymer compositions, catalytic ink compositions (e.g., for use in screen-printing), electrodes produced by deposition of an ink composition, as well as methods of making, and methods of using such compositions and electrodes.... | 03/13/2007 |
| 7162289 | Method and apparatus for enhancing the integrity of an implantable sensor device A method and apparatus for enhancing the integrity of an implantable sensor. Voids formed between an outer tubing and a sensor substrate or spacing element may be back-filled with a curable, implantable material, minimizing the extent to which unwanted fluids diffus... | 01/09/2007 |
| 7087436 | Membrane countercurrent exchanger and membrane inlet mass spectrometer for the analysis of gas partial pressure in liquid samples A method and apparatus for the analysis of blood or other liquids by mass spectrometry to determine the partial pressures of gases and other volatile substances dissolved in the blood or other liquid in a manner independent of the solubility of the gases in the bloo... | 08/08/2006 |
| 7060035 | Signal processing method and device for signal-to-noise improvement A method and apparatus extract a signal component of a measured signal using one of two methods. If the signal component in the measured signal is a periodic signal with a certain well-defined peak-to-peak intensity value, upper and lower envelopes of the measured s... | 06/13/2006 |
| 7027849 | Blood parameter measurement system A blood parameter measurement system has a monitor configured to provide an oxygen saturation measurement based upon the absorption of two wavelengths of optical radiation by a tissue site. A software upgrade is installable in the monitor so as to enable the monitor... | 04/11/2006 |
| 7027850 | Signal processing method and device for signal-to-noise improvement A method and apparatus extract a signal component of a measured signal using one of two methods. If the signal component in the measured signal is a periodic signal with a certain well-defined peak-to-peak intensity value, upper and lower envelopes of the measured s... | 04/11/2006 |
| 7017388 | Determination of gas-free densities and relative amounts of gases in liquids in manufacturing processes Improved control of continuous processes that handle liquids. Data generated by this invention is used to control gas contents of liquids within optimum ranges, for instance in paper coating processes and in the manufacture of food products (ketchup), personal care ... | 03/28/2006 |
| 7010337 | Method and apparatus for monitoring blood condition and cardiopulmonary function Sensors located on a sensor carrier are placed adjacent one or more of a surgical patient's major thoracic blood-containing structures such as the aorta or pulmonary artery, and characteristics of blood in the blood-containing structures are determined noninvasively... | 03/07/2006 |
| 6918873 | Inverted sensor module An inverted sensor module for sensing physical and chemical fluid characteristics in a vessel in a living body. The inverted sensor module includes an inverted sensor bonded to a hollow carrier so that sensing occurs in the lumen of the inverted sensor module. An in... | 07/19/2005 |
| 6766188 | Tissue oxygen measurement system A device and method in accordance with the invention for determining the oxygen partial pressure (PO2) of a tissue by irradiating the tissue with optical radiation such that the light is emitted from the tissue, and by collecting the reflected or transmit... | 07/20/2004 |
| RE38492 | Signal processing apparatus and method A signal processor which acquires a first signal, including a first desired signal portion and a first undesired signal portion, and a second signal, including a second desired signal portion and a second undesired signal portion, wherein the first and second desire... | 04/06/2004 |
| 6616614 | Apparatus and method for ascertaining cardiac output and other parameters Apparatus for ascertaining cardiac output of the heart of a patient comprising a control and display module. A venous probe is inserted into a vein in the forearm of the patient and is coupled into the control and display module and provides an electrical... | 09/09/2003 |
| 6475145 | Method and apparatus for detection of acid reflux Methods and apparatus for monitoring gastrointestinal pH levels are disclosed. A gastroesophageal diagnostic device for determining the duration of exposure of a patient's esophagus to pH levels clinically significant for gastroesophageal reflux disease i... | 11/05/2002 |
| 6432051 | Tonometric measuring head and measuring method The invention relates to a tonometric measuring head for bringing a measuring medium to a composition consistent with an individual to be examined non-invasively through the outermost tissue layer. A measuring head comprises a sealed chamber, having a wal... | 08/13/2002 |
| 6321101 | Method and device for determination of concentration In a method and a device for electrochemical determination of the concentration of at least one dissolved chemical entity in a liquid medium, a measurement voltage U is impressed on a working electrode, in contact with the liquid medium, relative to a cou... | 11/20/2001 |
| 6280382 | Compensation of concentration values concerning a patient The invention relates to a method for compensating measured concentration values of a first chemical compound (A) within a first internal tract (1*) of a patient, which concentration values (PA) are rendered by a second chemical compound (B), w... | 08/28/2001 |
| 6269679 | System and method to characterize gas transport properties An artificial capillary testing apparatus (ACTA) is provided for evaluation of gas transport/exchange properties of a fluid. A sample fluid, having a known of measured partial gas pressure, is introduced from a gas-tight dispenser into an artificial capil... | 08/07/2001 |
| 6219567 | Monitoring of total ammoniacal concentration in blood Total ammoniacal concentration (TAC) in blood is measured and displayed on a repetitive basis by a controller driven sensor arrangement which may be utilized either with a catheter structure or with a bypass system. The catheter based sensors may be emplo... | 04/17/2001 |
| 6216023 | Method and apparatus for determining differences between regional CO2 and systemic CO2 measurements Methods and apparatus for determining the difference between a regional CO2 partial pressure of a selected body organ of a mammalian subject, such as the gut, and a systemic CO2 partial pressure of the subject. The regional CO2 | 04/10/2001 |
| 6206830 | Signal processing apparatus and method A signal processor which acquires a first signal, including a first desired signal portion and a first undesired signal portion, and a second signal, including a second desired signal portion and a second undesired signal portion, wherein the first and se... | 03/27/2001 |
| 6036642 | Signal processing apparatus and method A signal processor which acquires a first signal, including a first desired signal portion and a first undesired signal portion, and a second signal, including a second desired signal portion and a second undesired signal portion, wherein the first and se... | 03/14/2000 |
| 5921922 | Measuring of bloodgases A method and an equipment for determining components, particularly pH, pO2 and pCO2 in blood. In order to facilitate the determination of blood gases, one sensor is used for measurement of more than one component. The components are... | 07/13/1999 |
| 5769785 | Signal processing apparatus and method A signal processor which acquires a first signal, including a first desired signal portion and a first undesired signal portion, and a second signal, including a second desired signal portion and a second undesired signal portion, wherein the first and se... | 06/23/1998 |
| 5738090 | Respiratory system for determining an opening pressure of a long system and maintaining the lung system open An arrangement for determining an opening pressure of a lung has a regulating unit which can deliver inspiration pulses to a patient's lung system, a blood gas analyzer for measuring the partial pressure of oxygen in the blood of the patient's circulatory... | 04/14/1998 |
| 5630413 | Reliable noninvasive measurement of blood gases This invention relates to methods and apparatus for, preferably, determining non-invasively and in vivo at least two of the five blood gas parameters (i.e., pH, [HCO3- ], PCO2, PO2, and O2 sat.) in a ... | 05/20/1997 |
| 5617850 | Gas probe A blood gas monitoring system monitors blood gas from blood in a blood vessel. A blood probe is introduced into the blood vessel. The blood probe includes a probe body defining a probe chamber and a first gas permeable membrane coupled to a first end of t... | 04/08/1997 |
| 5596988 | Multi-parameter sensor apparatus A multi-parameter catheter comprising sensors enveloped in a sheath made from a biphasic material comprising a layer of microporous hydrophobic substance having micropores which are filled with a hydrophilic substance which when hydrated forms a gel and a... | 01/28/1997 |
