Matches 1 - 21 out of 21


Match Document Document Title
8925549 Flow control adapter for performing spirometry and pulmonary function testing  
A breathing circuit for a tracheostomized patient provides respiratory care and pulmonary function testing. The breathing circuit includes a flow control adapter that directs an inspiratory flow...
7215988 Sensor for measuring tissue perfusion  
The invention relates to a method and a sensor for measurement of tissue perfusion. The sensor is provided with a reservoir (4) for a fluid or gaseous tracer and a tracer-permeable barrier (3), a...
6718055 Temporal and spatial correction for perfusion quantification system  
A medical imaging system includes an imaging device for producing temporally spaced image representations, a memory for storing the image representations, and a processor. The processor aligns the...
5701904 Telemedicine instrumentation pack  
The invention concerns a portable medical diagnostic apparatus which includes three types of data-gathering instruments: (1) visual instruments (eg, otoscope, ophthalmoscope, rhino-laryngoscope,...
4601293 Temperature control system for cutaneous gas monitor  
A temperature control system for an electrically heated cutaneous gas sensor. A closed loop temperature control circuit varies the current through the heating element, in accordance with the...
4539994 Method for transcutaneous measurement of a blood parameter and an electrochemical measuring electrode device for carrying out the method  
In accordance with the principles for transcutaneous measurement of a blood parameter, such as the partial pressure of a blood gas, an electrochemical measuring electrode device (1) is applied to...
4534356 Solid state transcutaneous blood gas sensors  
Disclosed is a solid state oxygen sensor utilizing a noble metal first electrode and a silver/silver halide reference electrode and an oxygen permeable polymeric membrane electrolyte. Also...
4517982 Sensing device for cardio-pulmonary functions  
A sensor for use in detecting cardiopulmonary functions employs a skin-heating conductive surface for use in achieving vasodilitation for the measurement of PO2 and PCO2. The same surface is...
4458686 Cutaneous methods of measuring body substances  
Cutaneous methods for measurement of substrates in mammalian subjects are disclosed. A condition of the skin is used to measure a number of important substances which diffuse through the skin or...
4432365 Physiological sensing unit  
Disclosed herein is a physiological, electrically heated, thermostatically controlled sensing unit of the type used in the medical field for measuring blood contents, such as oxygen. A typical...
4407291 Transcutaneous blood oxygen measuring device  
A transcutaneous blood oxygen measuring device is disclosed for the noninvasive measurement of oxygen partial pressure in arterial blood which includes a cathode surrounded by an anode held...
4396017 Transcutaneous gas sensor  
A transcutaneous gas sensor for application to the body surface of a patient is provided. The sensor includes a sensing electrode having an exposed surface region which, in use, is applied to the...
4334541 Thermal protective circuit for a hyperemia-inducing physiological sensor  
A sensor for transcutaneous measurement of physiological phenomena of living tissues is provided with a thermostatically-controlled electric heater. The purpose of the heater is to induce local...
4312332 Oxygen sensing  
Oxygen sensing as disclosed herein is performed by applying a solid state, self-heating sensor to the patient's skin. A noble metal cathode and a thick-film reference electrode are provided on the...
4311151 Oxygen measuring electrode assembly  
A polarographic electrode assembly for transcutaneous measurement of partial oxygen pressure in arterial blood comprising an anode, a cathode which has a thin ring surface or a circularly-bounded...
4303076 Probe for transcutaneous sampling  
A probe for transcutaneous blood gas analysis composed of a housing (10) and a cap (18) which are assembled together by a snap-fit. The housing (10) holds an electrode unit (38, 40, 42) and the...
4296752 Transcutaneous oxygen sensor with adjacent heater  
A transcutaneous gas sensor for application to the skin of a patient for bloodless measurement of a partial gas pressure comprises a separable sensing cell and a circumferential heater, the heater...
4290431 Transcutaneous oxygen and local perfusion measurement  
An apparatus and method for measuring and monitoring blood oxygen content and local perfusion factor. A transcutaneous gas measurement probe is heated by application of an electric current to a...
4265250 Electrode  
An electrode for measuring gas concentration in blood and having a disposable, skin-contact assembly installed in a reusable base; the disposable assembly includes an anode, cathode, electrolyte,...
4252123 Device for the transcutaneous electrochemical determination of the partial oxygen pressure in blood  
A device for the transcutaneous electrochemical determination of the partial oxygen pressure in blood, comprising a measuring head which includes at least three measuring cells of the Clark-type,...
4197853 PO2 /PCO2 sensor  
This invention relates to an electrochemical sensor system for the simultaneous and continuous measurement of the partial pressure of oxygen PO2 and carbon dioxide partial pressure PCO2 in fluids....

Matches 1 - 21 out of 21