Matches 1 - 24 out of 24
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7146203 Implantable biosensor and methods of use thereof  
Provided herein is a stabilized oxygen transport matrix that includes a reversible oxygen binding protein, such as hemoglobin, immobilized throughout the stabilized oxygen transport matrix. The...
5505828 Calibration solutions useful for analysis of biological fluids and methods employing same  
Novel calibration solutions are provided which are useful, for example, with sensor assemblies used for analysis of CO 2 , and optionally, for concurrent analysis of O 2 , especially in combination...
5225063 Apparatus for the electrochemical determination of the partial oxygen pressure in a liquid measuring medium  
An apparatus for electrochemically determining the partial oxygen pressure pO 2 in a liquid measuring medium includes a measuring sensor having a working electrode and a counter-electrode. The...
5000180 Polarographic-amperometric three-electrode sensor  
For a potentiostatically operable, polarographic-amperometric sensor, in particular for biomedical use, wherein a working electrode (5) and a reference electrode (4) are covered by an electrolyte...
4803991 Three electrode hydroquinone subcutaneous equilibrating tonometer  
A closed tonometer for subcutaneous insertion is disclosed having a small closed equilibrating bath. Three noble metal electrodes, preferably platinum (Pt), communicate through electrical...
4681116 Antimony electrode assembly and method of manufacture, and use thereof  
An antimony electrode for pH measurement is formed with a convex, very smooth tip and sealed within a flexible plastic sheath with just the tip exposed. A reference electrode is provided either...
4672971 Oxygen sensor  
An oxygen sensor and method of monitoring the oxygen content of blood or other body fluids are provided, which oxygen sensor and method achieve monitoring of enhanced accuracy that is not...
4672970 Electrode for living body  
Disclosed is a metal electrode for a living body, which comprises a noble metal wire an an insulating covering layer formed around the periphery of the noble metal wire. At least a part of the...
4615340 Sensor assembly suitable for blood gas analysis and the like and the method of use  
A sensor assembly for electrochemical analysis of a substance comprises a housing and electrodes for sensing selective gases and ions within the housing. A sampler is associated with the housing...
4534355 Electrochemical sensor employing a gas-permeable hydrophilic polyurethane membrane  
A device for use in determining blood gas which employs a membrane of material permeable to blood gas to be determined characterized in that the membrane is hydrophilic polyurethane is described.
4512349 Method of direct tissue gas tension measurement and apparatus therefor  
A new method of tissue oxygen tension measurement which is suitable for human use utilizes an implanted Silastic tube which is inserted through four to five cm of subcutaneous tissue leaving the...
4499901 Retreated sensing electrode  
An improved sensing electrode assembly for testing for a constituent in blood is provided. An electrode assembly exhibits a decreased time to reach stable operation by virtue of having the assembly...
4442841 Electrode for living bodies  
An electrode for living bodies consisting of a fine metal wire at least part of the surface of which is directly coated with a porous membrane having fine pores of an average pore diameter of...
4176659 Catheter with measurement electrodes  
A catheter is provided which comprises a tubular body that defines a passage therewithin terminating in an axially-facing opening at the tip end of the catheter, the opening serving as a sampling...
4148305 Cathode for polarographic measurements in physiological medium  
A cathode for polarographic measurements in physiological medium, such as measuring oxygen partial pressure in a human or animal body, is comprised of an elongated cable having a conductive...
3999284 Method for making a polarographic sensing means  
A catheter system for blood gas monitoring and the method of making same comprising a polarographic sensing means having a body, first and second conductors supported by the body and each...
3911901 In vivo hydrogen ion sensor  
An in vivo specific ion sensor contains a specific ion electrode and a spaced apart, adjacent reference half cell which has its immobilized electrolyte adjacent to and spaced from the specific ion...
3878830 Catheter system for blood gas monitoring  
A catherter system for blood gas monitoring comprising a polarographic sensing means having a body, first and second conductors supported by the body and each respectively having an exposed...
3791376 MICROSONDE FOR CATHETER USE, FOR THE CONTINUOUS MEASUREMENT OF PARTIAL OXYGEN PRESSURE  
Microsonde for catheter use, operating under the principle of oxygen polarography, namely intended for continuous and instantaneous determination of oxygen partial pressure in blood vessels. The...
3763850 DEVICE FOR MEASURING THE PARTIAL PRESSURE OF A GAS IN A FLUID  
A device for measuring the partial pressure of a gas in a liquid or gaseous fluid, and more particularly, the partial pressure of oxygen in the blood comprising, a wafer having surface elements in...
3757771 STERILE INSERTER APPARATUS  
An apparatus for sterile insertion of a catheter or like device into an in-dwelling cannula. The catheter is sterilized after being sealed within the inserter apparatus and is retained within a...
3682159 CATHETER ELECTRODE FOR OXYGEN POLAROGRAPHY  
A minature electrode comprising cathode, anode, electrolyte and oxygen-permeable diaphragm, with a shell and housing adapted for secure attachment to the end of a catheter, to be introduced into...
3528403 CATHETER OXYGEN ELECTRODE  
3249103 Method and apparatus for measuring bioelectronic parameters  
Matches 1 - 24 out of 24