Patent application number | Description | Published |
20080249380 | Protection Mechanism for Spectroscopic Analysis of Biological Tissue - The present invention provides a protection mechanism for a spectroscopic analysis system being adapted to determine a property of a biological structure in a volume of interest of a patient. The spectroscopic system preferably makes use of high power radiation, and provides a protection mechanism for preventing an accidental exposure of light sensitive tissue of a body. The invention provides a variety of approaches to detect whether a measurement head of the spectroscopic system is in a measurement position. The measurement position of the measurement head can effectively be determined by making use of e.g. a pressure sensor, a sensor measuring the electric resistance of the skin of the patient, or even by optical means analyzing the intensity or the spatial structure of a monitoring beam providing a visual image of the volume of interest. | 10-09-2008 |
20080262324 | Measurement Head For Non-Invasive Blood Analysis - The present invention provides an efficient approach of attaching and fixing a measurement head for a spectroscopic system to a variety of different parts of the skin of a patient. The measurement head preferably features a compact design providing a flexible handling and offering a huge variety of application areas taking into account the plurality of properties of various portions of the skin. Furthermore, the measurement head features a robust and uncomplicated optical design not requiring a lateral shifting of the optical axis of the objective. Such transverse relative movements between the objective and a capillary vessel in the skin are preferably performed by mechanically shifting the skin with respect to the objective of the measurement head. Moreover, the measurement head is adapted to host one or more pressure sensors measuring the contact pressure between the measurement head and the skin. This pressure information can further be exploited in order to calibrate the spectroscopic analysis means, to regulate the contact pressure within predefined margins specifying an optimum range of contact pressure for spectroscopic examination of capillary vessels. | 10-23-2008 |
20080285812 | Personal Identification Method and Apparatus - The invention relates to a personal identification method and to a corresponding apparatus. Their elements are mainly a light source emitting a beam of light towards a target, a first imaging module receiving a return beam coming back from said target and displaying an image of the target of a first type, and a second imaging module also receiving said return beam and displaying an image of the target of a second type. An identification module allows to combine the information given by said image of a first type and said image of a second type and to identify, or not, a person according to a similarity criterion. | 11-20-2008 |
20080309930 | Calibration for Spectroscopic Analysis - The present invention provides an optical analysis system for determining an amplitude of a principal component of an optical signal. The principle component is indicative of the concentration of a particular compound of various compounds of a substance that is subject to spectroscopic analysis. The optical signal is subject to a wavelength selective weighting. Spectral weighting is preferably performed by means of spatial light manipulation means in combination with a dispersive optical element. The inventive calibration mechanism and method effectively allows for an accurate positioning of the spatial light manipulation means. Calibration is based on a calibration segment on the spatial light manipulation means in combination with a reference light source and a detector. | 12-18-2008 |
20090015819 | OPTICAL ANALYSIS SYSTEM, BLOOD ANALYSIS SYSTEM AND METHOD OF DETERMINING AN AMPLITUDE OF A PRINCIPAL COMPONENT - The optical analysis system ( | 01-15-2009 |
20090153852 | OPTICAL FIBER FOR SPECTROSCOPIC ANALYSIS SYSTEM - The present invention provides an optical fiber for connecting a probe head and a base station of a spectroscopic analysis system for analyzing the molecular composition of a volume of interest. The optical fiber comprises a core for transmission of excitation radiation from the base station to the probe head and a first cladding for transmission of multi-mode return radiation from the probe head to a spectroscopic analysis unit of the base station. Preferably, the first cladding is surrounded by a second cladding and therefore provides a multi-mode wave guide by itself. Appropriately designing the dimensions of the core, the first cladding and the second cladding provides an optimal collection and coupling efficiency of the optical fiber. Coating of the distal end facet of the optical fiber with multi-layer optical filters allows an effective separation of elastically and inelastically scattered radiation which is of advantage for the spectroscopic analysis. | 06-18-2009 |
20090198113 | DEDICATED SPECTRAL ILLUMINATION SPECTROSCOPY - Apparatus and method for an analyte determination in blood, relying on spectroscopic techniques, in which sample is illuminated with light having dedicated spectral characteristics. The first light source ( | 08-06-2009 |
20090326385 | OBTAINING OPTICAL TISSUE PROPERTIES - This application describes a medical device ( | 12-31-2009 |
20100087739 | APPARATUS FOR OPTICAL BODY ANALYSIS - An apparatus for optical body analysis is built with an illumination and detection head, and an optical coupler. The illumination and detection head comprises a light source for illuminating a body portion to analyze through the optical coupler and a detector for receiving light diffusely reflected by the body portion. The optical coupler is mechanically decoupled from the illumination and detection head and is adapted to be in contact with an outer surface of the body portion while the contact between the optical coupler and the body portion minimally affects physical properties of the body portion. The apparatus may further comprise a position unit adapted to adjust the position of the illumination and detection head relative to the optical coupler so that the detector receives through the optical coupler light generated by the light source and diffusely reflected by the body portion. | 04-08-2010 |
20100096551 | SPECTROSCOPY MEASUREMENTS - The invention relates to a device and method for the measurement of the concentration of at least one substance in a turbid medium. The device comprises at least one radiation source ( | 04-22-2010 |
20110066034 | OPTICAL DETECTION METHOD AND DEVICE FOR OPTICAL DETECTION OF THE CONDITION OF JOINTS - An optical detection method is provided, wherein a body part ( | 03-17-2011 |
20110201942 | DEVICE AND METHOD FOR OPTICALLY EXAMINING THE INTERIOR OF A BODY PART - A device for optically examining the interior of a body part by transillumination is provided. The device comprises: an illumination unit ( | 08-18-2011 |
20120004547 | MONITORING APPARATUS FOR MONITORING AN ABLATION PROCEDURE - The present invention relates to a monitoring apparatus ( | 01-05-2012 |
20130083331 | SYSTEM FOR MONITORING THE POSITION OF A TUBE'S DISTAL END RELATIVE TO A BLOOD VESSEL - The invention relates to a system ( | 04-04-2013 |
20130310697 | DEVICE AND METHOD FOR DETERMINING A DISEASE ACTIVITY - A system and method to determine a disease activity as a single value by way of optical measurements in order to facilitate an analysis of a current disease status and a future course of disease, thus assisting a doctor's diagnosis or decision on a therapy. A blood perfusion is varied in an area of interest, the area of interest is irradiated with light of at least two wavelengths, an intensity of light reflected and/or transmitted by the area of interest is detected, features are derived from detected intensity curves of at least two predetermined wavelengths under at least two different perfusion conditions, and the disease activity is determined using these features. | 11-21-2013 |