Assignee: InfraReDx, Inc.

Location: Burlington, MA
No. of patents: 20

Number	Title	Issue Date
8060187	Near-infrared spectroscopic analysis of blood vessel walls The invention relates to methods and devices for characterizing tissue in vivo, e.g., in walls of blood vessels, to determine whether the tissue is healthy or diseased, and include methods of displaying results with or without thresholds. ...	11/15/2011
8035819	Arterial probe for OCT An apparatus for detecting vulnerable plaque within a lumen defined by an intraluminal wall is described. The apparatus includes a probe having a distal portion and a proximal portion. The apparatus includes an optical waveguide extending along the probe. The optica...	10/11/2011
8000774	Method and system for intra luminal thrombus detection A method for detecting a complete or partial obstruction in a vessel through an intervening fluid includes receiving spectroscopic responses at different locations of a vessel wall, e.g., a vein or artery, through an intervening fluid, preferably blood. Spectroscopi...	08/16/2011
7996069	Spectroscopy of deeply-scattered light A spectroscope includes first and second beam redirectors in optical communication with first and second fibers respectively. The first and second beam redirectors are oriented to illuminate respective first and second areas. The second area is separated from the fi...	08/09/2011
7929145	Arterial probe for OCT An apparatus for detecting vulnerable plaque within a lumen defined by an intraluminal wall is described. The apparatus includes a probe having a distal portion and a proximal portion. The apparatus includes an optical waveguide extending along the probe. The optica...	04/19/2011
7873406	Spectroscope for recovering light from re-entrant zone of arterial wall A spectroscope includes an optical fiber extending through a catheter, and in communication with an optical system. The optical system has a finite focal length. ...	01/18/2011
7742805	Optical catheter with dual-stage beam redirector A catheter includes separate first and second optical channels extending between proximal and distal portion thereof. First and second beam redirectors in optical communication with the respective first and second optical channels each have on-axis stage and an off-...	06/22/2010
7679754	Arterial probe for OCT An apparatus and associated method for detecting vulnerable plaque within a lumen defined by an intraluminal wall is described. The apparatus includes a probe having a distal portion and a proximal portion. The apparatus includes an optical waveguide extending along...	03/16/2010
7672713	Multi-channel catheter tip A tip assembly for a catheter includes a housing having a recess that receives an optical bench. The optical bench accommodates adjacent fibers, one of which is in optical communication with a first beam re-director. The first beam re-director is oriented to cause a...	03/02/2010
7616321	Optical coupler for rotating catheter An optical coupler for coupling to a rotating catheter has a housing with a rotatable distal face and a stationary proximal face. The distal face has an eccentric port and a central port. A lens is disposed inside the housing to intercept a rotating collection beam ...	11/10/2009
7539530	Method and system for spectral examination of vascular walls through blood during cardiac motion A method for improving the treatment and/or examination of vessel walls through fluid, such as blood, functions by identifying the points in time when the catheter is closest to the vessel wall or farthest from the vessel wall. Identification of this relative locati...	05/26/2009
7535935	Spectroscopic catheter system with widely tunable source and method of operation A laser system for a spectroscopic catheter system uses multiple semiconductor gain media having gain peaks at different wavelengths. The output from the gain media is preferably coupled into single-mode fiber using conventional opto-electronic packaging techniques....	05/19/2009
7450241	Detecting vulnerable plaque An apparatus and associated method for detecting vulnerable plaque within a lumen defined by an intraluminal wall is described. The apparatus includes a probe having a distal portion and a proximal portion. The apparatus includes an optical waveguide extending along...	11/11/2008
7426410	Spectroscopy of deeply-scattered light A spectroscope includes first and second beam redirectors in optical communication with first and second fibers respectively. The first and second beam redirectors are oriented to illuminate respective first and second areas. The second area is separated from the fi...	09/16/2008
7376456	Near-infrared spectroscopic analysis of blood vessel walls The invention relates to methods and devices for characterizing tissue in vivo, e.g., in walls of blood vessels, to determine whether the tissue is healthy or diseased, and include methods of displaying results with or without thresholds. ...	05/20/2008
7313432	Phase discrimination for detection of vulnerable-plaque A system for identifying vulnerable plaque includes an illumination subsystem for passing an illumination beam, modulated by a first modulation waveform, through a catheter. A receiving subsystem detects a collection beam, which is modulated by a second modulated wa...	12/25/2007
7310357	Providing low-coherence light The invention features an apparatus and an associated method for illuminating a target area. The apparatus includes reflectors defining a first optical cavity. The first optical cavity defines a first set of longitudinal modes. The apparatus includes a first gain me...	12/18/2007
7292715	Display of diagnostic data A system for displaying diagnostic data includes a display on which is displayed an image having an anatomic map and a diagnostic map. The diagnostic map, which is disposed at a location indicative of the spatial distribution of the diagnostic data, shows a spatial ...	11/06/2007
7132645	System and method for assessing catheter connection using return loss A system for assessing the quality of the optical connection between a catheter and a console is described that avoids the necessity of a calibration port, although one can still be provided if desired. It operates by monitoring the level of light returning from the...	11/07/2006
4021776	Pattern recognition system A pattern recognition system includes a magnetic core correlator which is used for recognizing a pattern being scanned. A bit train of digital signals, describing the input image, is applied to a plurality of serially connected shift registers so that a t...	05/03/1977

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Assignee: InfraReDx, Inc.