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Class 600/355 - Oxygen tension


Subclass of Class 600 - Surgery
Definition: Subject matter wherein the ionic concentration or partial
No. of patents: 18
Last issue date: 10/17/2006


NumberTitleIssue Date
7122027Implantable medical device with controllable gaseous agent release system
The present invention generally relates to medical devices. Specifically, the invention pertains to implantable medical devices that produces gaseous agents from precursors and releases them into the body. More specifically, the invention provides for the controlled...
10/17/2006
7056014Flexible wired circuit board for temperature measurement
A flexible wired circuit board for temperature measurement that can provide an accurate temperature measurement even when placed in a high-temperature atmosphere and can also be provided at a reduced cost. In the flexible wired circuit board for temperature measurem...
06/06/2006
6934570Physiological sensor combination
A physiological sensor combination has a flexible substrate configured to attach to a tissue site. Multiple sensors are disposed on the substrate, which generate physiological signals. Each of the signals is responsive to a different physiological parameter. Conduct...
08/23/2005
6269261Health care instrument containing oxidation-reduction potential measuring function
The invention aims to provide a health care instrument adapted to measure oxidation-reduction potential in human being, animal, fish and shellfish, plant, vegetable as well as water, air or earth surrounding those organisms and thereby to determine a leve...
07/31/2001
5848965Method and a system for the determination of pH and other fluid parameters utilizing a metal monocrystalline electrode
A method and system for the determination of the pH of a fluid by measuring the pH of the fluid and thereafter correcting the pH based upon the determination of measured and/or adjusted values of at least one other parameter, such as PO2 and PC...
12/15/1998
5284570Fluid sample analyte collector and calibration assembly
A fluid sample collector, sensing, and calibration device contains a collector like a syringe, with one or more analyte sensors, and a calibrator for calibrating the sensor. These can be pre-assembled and are particularly adapted to be disposable after a ...
02/08/1994
5225063Apparatus for the electrochemical determination of the partial oxygen pressure in a liquid measuring medium
An apparatus for electrochemically determining the partial oxygen pressure pO2 in a liquid measuring medium includes a measuring sensor having a working electrode and a counter-electrode. The electrodes are manufactured in thin-film technology ...
07/06/1993
4955380Flexible measurement probes
Flexible measurement probes are described for the determination of oxygen partial pressure; temperature and perfusion; and combined measurement of oxygen partial pressure, temperature, and perfusion. The probes are fabricated by patterning a metal coated ...
09/11/1990
4781798Transparent multi-oxygen sensor array and method of using same
A transparent electrochemical oxygen sensor for simultaneously determining oxygen concentration at different locations on a biological surface that is capable of being positioned over the region sought to be measured and includes an array of independently...
11/01/1988
4741343Method and apparatus for measuring oxygen partial pressure and temperature in living tissue
Oxygen partial pressure and temperature are measured in living tissue by inserting a thin probe into living tissue. The probe includes a plurality of spatially separated thermal sensors secured to the probe substrate. A plurality of oxygen sensors is posi...
05/03/1988
4582064Method and apparatus for determining pO2 histograms
Apparatus for the determination of pO2 -histograms by means of a needle probe. The apparatus for the determination of pO2 -histograms in living tissue comprises a macro needle probe of larger diameter moved stepwise between individua...
04/15/1986
4535778Method and apparatus for detecting blood gas
A blood gas detector for human use has a support fitting into the mouth between the sides of the upper and lower jaws and the inside of the cheek and carries electric conductors for connection to an external indicator affording response to blood gas prese...
08/20/1985
4450064Electrochemical gas sensor and method for producing the same
An improved method for producing an electrode assembly for use in electrochemical gas sensors. A plurality of conductors are attached to one surface of a generally circular electrode blank. These conductors are passed through respective conductor routing ...
05/22/1984
4339317Device for performing measurements on fluids, directly in the sample container
For taking measurements on fluids, such as biological fluids (e.g. blood and the like), a device is disclosed which is a cylindrical body insertable in a syringe or a similar sampling container and has on the exposed face a set of electrodes or probes whi...
07/13/1982
4276144Oxygen electrode and method for preparation thereof
An oxygen electrode adapted for use for polarographic, galvanometric or amperometric analyses, that is resistant to poisoning and effective for accurate,reproducible current and voltage measurements. The electrode comprises a conductor constituted of a me...
06/30/1981
4120770Apparatus for the polarographic measurement of oxygen
The oxygen concentration (partial pressure) in a perfused medium, such as man tissue through which blood is perfused, is measured polarographically. The polarographic measurement process itself consumes oxygen, and tends to yield a read-out lower than the...
10/17/1978
4109505Automated blood analysis system
A system for automatically withdrawing blood from a patient and testing various parameters of the blood, such as oxygen saturation, hemoglobin, gas content (PO2, PCO2) and pH, includes a withdrawal unit which automatically withdraws ...
08/29/1978
4094305Method and an arrangement for continuously measuring the partial pressure of a gas in a sample
A method and an arrangement for continuously measuring the partial pressure of a gas in a sample, particularly of oxygen dissolved in blood flowing through muscle tissue which is covered by a skin layer, comprises a support probe which is adapted to be po...
06/13/1978
 
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