Class 600/312 - Using a fluorescent material

Subclass of Class 600 - Surgery
Definition: Subject matter wherein a photoluminescent material placed
No. of patents: 31
Last issue date: 01/29/2008

Number	Title	Issue Date
7322971	Surgical drain with sensors for monitoring internal tissue condition by transmittance Devices and methods of using a surgical drain, and more particularly a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the surgical drain is placed. Modifications may...	01/29/2008
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, and is stable over many weeks or months. In addition, new multi-modal ...	10/30/2007
7276027	System, for monitoring the concentration of analytes in body fluids The invention concerns a system for monitoring the concentration of analytes in body fluids, in particular in interstitial fluid and comprises a catheter having an implantable region and an outlet opening for withdrawing fluid in particular body fluid. A first and a...	10/02/2007
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 specimen, at least one sensor configured to capture the response of the sp...	07/10/2007
7218959	Hybrid-dual-fourier tomographic algorithm for a fast three-dimensionial optical image reconstruction in turbid media A reconstruction technique for reducing computation burden in the 3D image processes, wherein the reconstruction procedure comprises an inverse and a forward model. The inverse model uses a hybrid dual Fourier algorithm that combines a 2D Fourier inversion with a 1D...	05/15/2007
7209605	Packaged optical sensors on the side of optical fibers The present invention concerns an optical sensor located on a preferred azimuthal portion of the side of an optical fiber. An optical fiber having two opposite ends, a core and a cladding and at least one sensing area is disclosed. Each of the sensing areas is locat...	04/24/2007
7190991	Multi-mode internal imaging The invention described herein provides systems and methods for multi-modal imaging with light and a second form of imaging. Light imaging involves the capture of low intensity light from a light-emitting object. A camera obtains a two-dimensional spatial distributi...	03/13/2007
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 or material at a region of interest for detecting attenuated total re...	01/23/2007
7107116	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 specimen, at least one sensor configured to capture the response of the sp...	09/12/2006
7036224	Method of making fluid sensor probe A fluid sensor probe such as a temperature probe uses heat shrink tubing to seal and provide strain relief at a proximal end of the probe. The heat shrink tubing uses a layer of hot melt adhesive along its inside surface to form a strong bond and hermetic seal. The ...	05/02/2006
7022066	Capsule endoscope A capsule endoscope includes an image sensor that is fixed to a substrate and is covered by a transparent cover member such that a sealed air space is provided between the objective optical system and the image sensor. Also, a capsule endoscope is disclosed that inc...	04/04/2006
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 separated blood is described. A method of automatic start-up of the hema...	03/28/2006
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 coupled with the imaging unit. The control unit receives the imaging data...	03/07/2006
6992762	Method and apparatus for time resolved optical imaging of biological tissues as part of animals There is provided a method and system for collecting optical data for use in time resolved optical imaging wherein light is directionally propagated through free-space optics to impinge on a plurality of illumination at the surface of a biological tissue such as tha...	01/31/2006
6919919	Light calibration device for use in low level light imaging systems The invention describes systems and methods for calibrating a low-level light imaging system. Techniques described herein employ a light calibration device that is placed within a low level light imaging box to calibrate the system and its constituent components suc...	07/19/2005
6615063	Fluorescence-mediated molecular tomography This invention relates to a fluorescence-mediated molecular tomographic imaging system, designed to detect near-infrared fluorescence activation in deep tissues. The system can use targeted fluorescent molecular probes or highly sensitive activatable fluo...	09/02/2003
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 sensor particle capable of generating a detectable analyte sign...	04/02/2002
6289229	Readable probe array for in vivo use A disposable high density optically readable polydeoxynucleotide array with integral fluorescence excitation and fluorescence emission channels is described. The compact array size allows integration into several types of interventional devices such as ca...	09/11/2001
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 a method of detecting tissue abnormality in a diagnostic t...	06/05/2001
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, (ii)collecting samples of blood which has passed through the liver of the ...	02/29/2000
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 luminescent dye which is accessible to oxygen. The luminescent ...	12/22/1992
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 sensitive dye, HOPSA for example, is encapsulated in a gel an...	10/15/1991
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 and sized to be located outside the body of a patient and...	02/05/1991
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 and an opening, adapted to be placed in the blood vessel of ...	08/28/1990
4928694	Intravascular blood parameter measurement system A parameter of blood is sensed in vivo with a system which includes a catheter and a probe. The catheter has a lumen extending therethrough, a proximal end, a distal end and a distal opening at the distal end. The probe includes one or more sensors at its...	05/29/1990
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 connected to the dye wells permit light to be directed from a li...	08/08/1989
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 purposes in humans and animals. The fluorescently labelled bile...	07/18/1989
4830013	Intravascular blood parameter measurement system A parameter of blood is sensed in vivo with a system which includes a catheter and a probe. The catheter has a lumen extending therethrough, a proximal end, a distal end and a distal opening at the distal end. The probe includes one or more sensors at its...	05/16/1989
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 second predetermined wavelength different from the first prede...	09/20/1988
4476870	Fiber optic P_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 coursing through a particular blood vessel in the body. The use o...	10/16/1984
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 direction to the organ (13) and returns the fluorescence em...	05/22/1984

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Class 600/312 - Using a fluorescent material