Matches 1 - 17 out of 17
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7288759 Tissue-like phantoms  
The invention is based, in part, on the discovery that by combining certain components one can generate a tissue-like phantom that mimics any desired tissue, is simple and inexpensive to prepare,...
7242997 Diffuse optical tomography system and method of use  
An improved diffuse optical tomography system for in vivo non-contact imaging includes an illumination source for illuminating a specimen, a spectrum source for projecting a spectrum onto the...
7167742 Utilization of an infrared probe to discriminate between materials  
A method of evaluating the surface of a material that has a distinguishable infrared spectrum comprising (a) positioning an infrared fiber optic probe to be in contact with a surface of the sample...
7018353 Hematocrit sampling system  
Accurate measurement of hematocrit during blood recovery or plasma sequestration processes by means of algorithms to account for the presence of air or other non-blood substances in salvaged or...
7008373 System and method for robot targeting under fluoroscopy based on image servoing  
A system and method for image guided instrument targeting including a robot unit coupled with an instrument, an imaging unit, and a first control unit, which is coupled with the robot unit and...
6366793 Minimally invasive methods for measuring analtes in vivo  
Minimally invasive methods for measuring an analyte, such as glucose, contained in tile interstitial fluid of a body are provided. The methods include the steps of. (a) providing at least one...
6241662 Acetic acid as a signal enhancing contrast agent in fluorescence spectroscopy  
A method for using acetic acid as a signal enhancing contrast agent during fluorescence spectroscopy of normal and neoplastic tissue, particularly epithelium. In one aspect, the invention includes...
6030841 Liver function test  
A method for the determination of liver function, comprises the steps of: (i)introducing an effective amount of a coloured or fluorescent bile acid derivative intravenously into a patient, ...
5173432 Apparatus and method for measuring the concentration or partial pressure of oxygen  
A sensor and a method for using the sensor to determine the concentration or partial pressure of oxygen in a fluid media is provided. The sensor includes a light modifying medium containing a...
5056520 Probe for blood gas sensing  
In a blood gas sensing probe, a cylindrical sleeve contains an optical fiber. The end of the optical fiber is withdrawn into the sleeve thereby creating a receptacle at the end of the sleeve. A...
4989606 Intravascular blood gas sensing system  
An assembly useful in conjunction with a signal transmission means for the measurement of a compositional parameter of the blood of a patient is disclosed. This assembly comprises a housing adapted...
4951669 Blood parameter measurement system  
A parameter of blood is sensed with a system which includes a catheter and a sensor and a volume oscillator element. The catheter has a lumen extending therethrough, a proximal end, a distal end...
4854321 Integrated optic system for monitoring blood gases  
Blood gases and the like are monitored by a single probe having multiple dye wells and dyes immobilized in the wells, the dyes being exposed to the blood gases. Optical fibers and waveguides...
4848349 Substance and method for measuring hepatic blood flow  
The invention discloses a new class of compounds, namely fluorescently labelled bile acids, as well as processes for their production. These compounds may be used for diagonistic and research...
4773097 Image analyzing apparatus  
An image analyzing apparatus comprising a source of light for radiating a target object of interest, a measuring light of a first predetermined wavelength and at least one detecting light of a...
4476870 Fiber optic P.sub.O.sbsb.2 probe  
A fiber optic probe to be implanted in human body tissue for physiologic studies involving measurement and monitoring of the partial pressure of gaseous oxygen in the blood stream, which is...
4449535 Apparatus for measuring in situ the state of oxidation-reduction of a living organ  
Apparatus having application to surgical operations has an ultra-violet laser pulse generator (1), an infrared laser pulse generator (3), an optical fibre (11) which transmits these pulses in one...
Matches 1 - 17 out of 17