50th week of 2009 patent applcation highlights part 57 |
Patent application number | Title | Published |
20090306420 | PROCESS FOR PREPARING COPPER-COMPRISING METAL ORGANIC FRAMEWORKS - The present invention relates to a process for preparing a porous metal organic framework comprising a first and at least one second at least bidentate organic compound coordinated to at least one copper ion, which comprises the steps
| 2009-12-10 |
20090306421 | NEW SYNTHESIS OF SUBSTITUTED HYDROXYMETHYL PHENOLS - The present disclosure relates to a process for the preparation of 2-(3-diisopropylamino-1-phenylpropyl)-4-(hydroxymethyl)phenol or its phenolic monoesters or salts thereof, characterized by the steps of a) reacting a compound of formula (II) with a mixture of a Grignard initiator and Mg in a solvent; b) optionally reducing the temperature of the Grignard reagent to a lower temperature than in step a), and reacting the resulting Grignard reagent with an excess of a carbonate in a solvent, to obtain a compound of formula (III) wherein A is a C | 2009-12-10 |
20090306422 | OLIGOMERIC URETHANE ACRYLATES, THEIR PREPARATION AND USE - An oligomeric urethane acrylate composition is disclosed. The composition comprises, on average per molecule, at least two structural units of the general formula I: R{—X—CH | 2009-12-10 |
20090306423 | PROCESS FOR THE PREPARATION OF HALOGENATED BENZOIC ACID DERIVATIVES - The present invention comprises a process for the preparation of 3-chloro-2-fluoro-5-trifluoromethyl benzoic acid of the formula | 2009-12-10 |
20090306424 | PROCESS FOR THE PREPARATION OF CONTRAST AGENTS - The present invention refers to a process for preparing a compound of formula (I) | 2009-12-10 |
20090306425 | Production of Carboxylic Acids - A process for the production of carboxylic acids by oxidation of a hydrocarbon by oxygen or a gas containing oxygen and notably to the oxidation of cyclohexane to give adipic acid; the subject process entails a stage of oxidation of the hydrocarbon and at least one stage for extracting the dicarboxylic acids formed from the reaction medium and optionally recycling the unconverted hydrocarbon with oxidation by-products, such as alcohols and ketones, and which also includes a stage of conversion, removal or extraction of the α,ω-hydroxycarboxylic compounds formed during the oxidation stage and converting these compounds into diacids. | 2009-12-10 |
20090306426 | PROCESS FOR PRODUCING METHIONINE - The present invention provides a process for producing methionine, which comprises steps of:
| 2009-12-10 |
20090306427 | Chemical Functionalization of Carbon Nanotubes - The invention relates to a process for chemically functionalizing carbon nanotubes. The process comprises dispersing carbon nanotube salts in a solvent; and chemically functionalizing the carbon nanotube salts to provide chemically functionalized carbon nanotubes. | 2009-12-10 |
20090306428 | Process for the Synthesis of C-2, C-3 Substituted N-Alkylated Indoles Useful as cPLA2 Inhibitors - The present invention provides method for making a compound of formula 1: | 2009-12-10 |
20090306429 | PREPARATION OF A QUATERNARY AMMONIUM HYDROXIDE AND USE THEREOF FOR THE PREPARATION OF A QUATERNARY AMMONIUM SALT - The invention relates to a process for the preparation of a quaternary ammonium hydroxide, in particular denatonium hydroxide, and the use thereof for the preparation of a quaternary ammonium salt, in particular of denatonium benzoate or a denatonium fatty acid derivative. Due to its extremely bitter taste, this latter compound is applied in the art as an aversive agent, biocide, antifoulant and flavorant. It is usually prepared from a quaternary ammonium halide in an organic environment, which after isolation and purification is converted to a hygroscopic and unstable hydroxide intermediate, which in turn is immediately converted to the salt of interest in the solvent in which it is prepared. It is now found that these isolation steps can be avoided by performing the reaction at aqueous conditions. This is more straightforwardly and does not require costly precautions to avoid contact while handling. Moreover, the process of the invention allows to produce the quaternary ammonium salt from a lignocaine compound in a one-pot synthesis involving mostly water. | 2009-12-10 |
20090306430 | Use of Guanabenz and Its Derivatives for Making Drugs for Treating Cystic Fibrosis and Diseases Related to a Protein Addressing Deficiency in the Cells - The invention concerns the use of guanabenz and its derivatives for making drugs for treating cystic fibrosis and diseases related to a protein addressing deficiency in the cells, said derivatives corresponding to formula (I), wherein: R═H or C1 and the phenyl group comprises two substituents, or a pharmaceutically acceptable salt of said derivatives. | 2009-12-10 |
20090306431 | PROCESS FOR PRODUCING ANTIAGING AGENT, VULCANIZATION ACCELERATOR OR MODIFIED NATURAL RUBBER BY MEANS OF MICROORGANISM OR PLANT - An object of the present invention is to provide processes for producing an antiaging agent, a vulcanization accelerator and a modified natural rubber, which are environmentally friendly and capable of making provision against a decrease of petroleum resources in the future. An antiaging agent, a vulcanization accelerator or a modified natural rubber is produced by a method comprising: converting glucose into benzoic acid or a benzoic acid derivative by a microorganism or extracting benzoic acid or a benzoic acid derivative from a plant; and converting the obtained benzoic acid or benzoic acid derivative into aniline or an aniline derivative. | 2009-12-10 |
20090306432 | CATALYST FOR THE SYNTHESIS OF ALKYL MERCAPTAN AND PROCESS FOR THE PRODUCTION THEREOF - The invention relates to an oxidic catalyst containing cesium and tungsten for the synthesis of alkyl mercaptans from alkanols and hydrogen sulfide, and to a process for the production of this catalyst, wherein the molar ratio of cesium to tungsten is <2:1. | 2009-12-10 |
20090306433 | Process for Producing Phenol and Methyl Ethyl Ketone - A process for producing phenol and methyl ethyl ketone comprises contacting benzene and a C | 2009-12-10 |
20090306434 | Method to make methyl isobutyl ketone and diisobutyl ketone - An improved method for the manufacture of MIBK and DIBK from DMK and/or IPA, by reacting, in the presence of an aldol condensation catalyst, a gaseous mixture comprising hydrogen and DMK and/or IPA. The improvement is the use of a reaction pressure greater than 207 kPa (30 psig) to increase the ratio of MIBK to DIBK. In addition a method for the manufacture of MIBK and DIBK by reacting, in the presence of an aldol condensation catalyst, a gaseous mixture consisting essentially of DMK and/or IPA and optionally water. | 2009-12-10 |
20090306435 | Method of preparing enhanced reactive vegetable oils - A method of preparing enhanced reactive vegetable oils wherein the method comprises providing a hydroxy functional vegetable oil having a predetermined hydroxyl value and, under nitrogen, treating the hydroxyl functional vegetable oil with a catalyst using heat and pressure. Any water that is formed is removed. The mixture is heated under pressure and then an alkylene oxide is added while heating under pressure. In one embodiment, thereafter, there is added ethylene oxide and the material is heated and then the material is neutralized with acid. This process results in a primary hydroxyl functional vegetable oil polyol that is an enhanced reactive vegetable oil. | 2009-12-10 |
20090306436 | PREPARATION OF PURIFIED HYDROQUINONE AND FORMING OF SAME - Purified hydroquinone is prepared and formed from raw compounds essentially containing hydroquinone associated with very small quantities of impurities including resorcinol and pyrogallol, and includes a distillation purification step in which the resorcinol and pyrogallol are eliminated, directly followed by a step in which the purified hydroquinone is formed. | 2009-12-10 |
20090306437 | METHANOL SYNTHESIS - A process is disclosed for the synthesis of methanol from methane comprising three reaction steps operated in tandem. In the first step methylene chloride is produced by the reaction of methane with oxygen and hydrogen chloride. In the second step, methylene chloride is hydrolyzed to formaldehyde, which is hydrogenated in the third step to provide the product methanol. | 2009-12-10 |
20090306438 | 1,2,3,3,3-PENTAFLUOROPROPENE PRODUCTION PROCESSES - The present disclosure relates to a new and efficient manufacturing process for the production of HFC-1225ye. The process involves contacting at least one hexafluoropropane selected from the group consisting of 1,1,1,2,2,3-hexafluoropropane and 1,1,1,2,3,3-hexafluoropropane with a suitable catalyst in a reactor to obtain a product mixture containing HFC-1225ye (1,2,3,3,3-pentafluoropropene) where the pressure in the reactor ranges from about 0.5 psig to about 100 psig. | 2009-12-10 |
20090306439 | Method and Device for Using Reaction Heat During the Production of 1,2-Dichloroethane - The invention relates to a method for using reaction heat produced by reaction during the production of 1,2-dichloroethane from ethylene and chlorine in a direct chlorination reactor. The chlorine is produced in a sodium chloride electrolysis and the reaction heat, during the formation of 1,2-dichloroethane is used at least partially for the evaporation of NaOH, which is produced during NaCl-electrolysis for producing the required chlorine for direct chlorination, as a coupling product. The invention also relates to a device for carrying out said method, comprising a multi-tube heat exchanger comprising two fixed tubular plates and a NaOH-liquid phase part, and the caustic soda passes through the inside of the tube and 1,2-dichloroethane passes the outside of the tube. The heat exchanger also comprises devices for feeding and distributing the caustic soda in the inside of the tube. | 2009-12-10 |
20090306440 | DEVICE FOR ABSORPTION OF GAS OR VAPOUR IN A LIQUID AND METHOD FOR REINTRODUCING VAPOUR OR GAS IN THE LIQUID FROM WHICH THE GAS OR VAPOUR ORGINATES - Device for absorption of at least one component chosen among gas and vapour in a liquid based on an ejector principle, comprising a mixing zone in the form of a substantially straight tube ( | 2009-12-10 |
20090306441 | Method for treatment of oil and/or gas field waste and by product materials - The present invention relates to a process for preparing 2,3-dimethylbutane which comprises contacting in a reaction zone isobutane with a supported catalyst comprising a tungsten hydride and a support comprising an aluminium oxide, so as to form a reaction mixture comprising 2,3-dimethylbutane. The contacting essentially leads to performing a metathesis reaction of the isobutane, with a very high specificity in the formation of 2,3-dimethylbutane. The catalyst is preferably a tungsten hydride grafted onto a support based on aluminium oxide. The support can be chosen from aluminium oxides, mixed aluminium oxides and modified aluminium oxides. The reaction mixture can be isolated and preferably subjected to one or more fractionating operations in order to recover 2,3-dimethylbutane and optionally one or more other components of the reaction mixture, such as C | 2009-12-10 |
20090306442 | OLIGOMERISATION CATALYST WITH PENDANT DONOR GROUPS - This invention relates to a process for producing an oligomeric product by the oligomerisation of at least one olefinic compound in the form of an olefin or a compound including a carbon to carbon double bond, by contacting the at least one olefinic compound with an oligomerisation catalyst which includes the combination of a source of a transition metal, and a ligating compound of the formula (R | 2009-12-10 |
20090306443 | Production of Saturated C2 to C5 Hydrocarbons - Catalytic methods for the production of saturated hydrocarbons with 2 to 5 carbon atoms per molecule by conversion of small hydrocarbon halides and/or hydrogenation of carbonaceous material are disclosed that result in high yield of saturated C2 to C5 hydrocarbons at reduced corrosion of the reactors and in good lifetime of the catalyst. The methods are performed in the presence of a Lewis acid comprising catalyst and in the absence of oxygen or oxygen containing compounds, whereby an upper limit of at most 50 parts per million mass of oxygen or oxygen containing compounds can be tolerated. | 2009-12-10 |
20090306444 | OLIGOMERIZING AND ALKYLATING WITH AN IONIC LIQUID AT A MOLAR RATIO OF OLEFIN TO ISOPARAFFIN OF AT LEAST 0.8 - We provide a process for making a fuel or lubricant component, comprising: performing alkylation and oligomerization by contacting a stream comprising one or more olefins and one or more isoparaffins, wherein a molar ratio of the one or more olefins to the one or more isoparaffins in the stream is at least 0.8, an acidic chloroaluminate ionic liquid catalyst, and a halohalide; and recovering the fuel or lubricant component having a Bromine Number of less than 4. We provide a process comprising performing concurrent alkylation and oligomerization. We also provide a process for making a lubricant component having a kinematic viscosity at 100° C. of at least 6.9 mm | 2009-12-10 |
20090306445 | Method for Extracting Pure Styrene From a Pyrolysis Benzine Fraction - The invention relates to a method for extracting styrene, having a polymerisation quality, from pyrolysis benzol fractions containing styrene by means of extractive distillation. The pyrolysis benzol fraction is separated in a separating wall column in a C | 2009-12-10 |
20090306446 | Monoalkylated Aromatic Compound Production - A process for producing a monoalkylated aromatic compound in an alkylation reaction zone, said process comprising the steps of:
| 2009-12-10 |
20090306447 | PROCESS FOR PREPARING ACETYLENE BY PARTIAL OXIDATION OF HYDROCARBONS - A process is proposed for continuously operating a plant for preparing acetylene from hydrocarbons by partial oxidation, cleavage in an arc or pyrolysis of hydrocarbons to obtain a reaction gas mixture which is conducted through one or more compressors, the pressure of the reaction gas mixture on the suction side of the compressor being controlled within a predefined range by means of a conventional controller, which comprises additionally using a higher-level model-supported predictive controller which reacts to abrupt changes in the mass flow rate of the reaction gas mixture. | 2009-12-10 |
20090306448 | GASOLINE ALKYLATE RVP CONTROL - A process for producing an alkylate having a low Reid vapor pressure, the process including: contacting a C | 2009-12-10 |
20090306449 | Process for the Preparation of Linear Alpha-Olefins and Catalyst Used Therein - The present invention relates to a process for the preparation of linear low molecular weight alpha-olefins having 4 to 24 carbon atoms, comprising oligomerizing ethylene in an inert solvent in the presence of a catalyst system comprising: (i) zirconium carboxylate of the formula (R | 2009-12-10 |
20090306450 | Extractive distillation - A method for reducing corrosion in a diolefin extractive distillation process comprising preventing the formation of ammonium carbonate by promoting the formation of a carbonate salt that does not dissociate in the ammonium carbonate dissociation temperature range of that extractive distillation process. | 2009-12-10 |
20090306451 | Process for the treatment of phosphogypsum and in particular of phosphogypsum leachates - The present invention describes a process for treating phosphogypsum and in particular the related leachate that comprises the steps of feeding a continuous leachate flow with a dry content of below 5% by weight into a concentration unit heated to a predetermined temperature and equipped with dedicated mixing means, and continuously discharging a concentrated leachate flow having a dry content comprised between 20% and 95% by weight from the concentration unit. | 2009-12-10 |
20090306452 | APPARATUS FOR TREATING A CONTAMINATED MEDIA WITH A SORBENT - The invention relates a sorbent and method of using the sorbent, more specifically to an inert sorbent and a method for treating an environmentally contaminated zone with the inert sorbent. | 2009-12-10 |
20090306453 | Implant for Treating the Internal Walls of a Resection Cavity - The invention relates to an implant for treating a cavity that is created as a result of a resection, the implant being modular and the modules being interconnectable. | 2009-12-10 |
20090306454 | Devices and Methods for Stimulation of Tissue - Devices, systems and methods are provided for directly stimulating tissues, particularly muscle tissues, to modulate muscle contractions (i.e. provide reanimation of the muscle or to suppress undesired muscle contractions). Reanimation of muscles may be desired when damage to the brain, nervous system or neuromuscular junctions have occurred, causing a muscle tissue to lack sufficient motor control. Suppression of muscle contractions may be desired in situations of pathologically hyperactive muscles, such as in conditions of muscle spasm (e.g. blepharospasm and hemifacial spasm) or muscle dystonia. Direct stimulation is achieved by delivering a chemical agent directly to the muscle tissue, particularly the motor end plate, bypassing the nerves and neuromuscular junctions which may be damaged or diseased. Implanted hybrid chemical and electromagnetic stimulation devices can modulate muscle contraction in response to signals from a controller. | 2009-12-10 |
20090306455 | Method of Providing Magnetised Particles at a Location - A method of providing magnetised particles at a location using particles which can be switched between magnetic and non-magnetic states by exposure to a suitable magnetic field. The method comprises conveying the particles in their non-magnetic state to the location; and then exposing the particles to the suitable magnetic field so that they switch to their magnetic state. | 2009-12-10 |
20090306456 | Apparatus and method for static magnetic field treatment of tissue, organs, cells, and molecules - An apparatus and method for static magnetic field treatment of plants, animals, and humans comprising the steps of configuring at least one composite static magnetic field by combining at least one of a bipolar static magnetic field and an axial static magnetic field, optimizing spatial distribution and amplitude of the composite static magnetic field at a target pathway structure by satisfying a mathematical model, and coupling the at least one optimized composite static magnetic field to the target pathway structure using a composite static magnetic device. | 2009-12-10 |
20090306457 | IMPLANTABLE HEARING SYSTEM - A system for rehabilitating the hearing of a recipient. The system comprises: an elongate hollow access device having a symmetrical shape about a longitudinal axis through the center of the device, and comprising first and second ends each having apertures therein which have their geometric centers positioned at the longitudinal axis, wherein the access device is configured to be at least partially positioned in the mastoid bone of the recipient, such that the first end is positioned adjacent the surface of the mastoid bone, and the second end is inserted into the cochlea, and a first membrane disposed across the aperture at the first end of the device configured to vibrate in response to an acoustic sound signal presented there to, and wherein the access device has a cross-sectional diameter along its length that provides a desired amplification of the received sound signal. | 2009-12-10 |
20090306458 | Direct acoustic cochlear stimulator for round window access - A mechanical stimulator for evoking a hearing percept by directly generating waves of fluid motion of fluid in a recipient's scala tympani. The stimulator comprises a sound processing unit configured to process a received sound signal; and an implantable stimulation arrangement, comprising: an actuator configured to receive electrical signals representing the processed sound signal and configured to vibrate in response to the electrical signals, a stapes prosthesis having first and second ends, the first end having a surface configured to be positioned abutting the round window in the recipient's cochlea, and wherein the first end surface is substantially orthogonal to a longitudinal axis extending through the actuator, an elongate rod extending longitudinally from the actuator connecting the actuator to the stapes prosthesis such that vibration of the actuator results in waves of fluid motion in a recipient's scala tympani that evoke a hearing percept of the received sound signal. | 2009-12-10 |
20090306460 | Method and Apparatus for Controlling a Bodily Function - The present invention relates to a method and apparatus for controlling urinary incontinence. An implantable stimulator is utilised to apply stimulation to a sphincter or neosphincter about the urethra, in order to maintain coaptation of the urethra and urinary continence. Feedback is utilised in order to vary the level of stimulation applied to the sphincter in order to enable control over the sphincter. Control may be implemented by a user setting levels, by biofeedback, by a clinician. | 2009-12-10 |
20090306462 | System for Controlling a Controllable Stomach Band - The invention relates to system for controlling a controllable gastric band ( | 2009-12-10 |
20090306463 | Gastric Ring - The gastric ring has two ends ( | 2009-12-10 |
20090306465 | Gastric band - A gastric band of a belt type is presented for attaching around a circumference of a patient's stomach, so as to define the diameter of the stomach opening. The band comprises outer and inner surfaces, wherein the inner surface engages the stomach, and at least the outer surface is formed by an elongated member substantially non-extendable along a longitudinal axis thereof. A through-going opening is made in the elongated member and is located so as to define an end portion of the band having a predetermined length. An opposite end portion of the band is shaped so as to be insertable into the through-going opening for adjusting a desired inner diameter of the band in its closed operating position and fastening the opposite end portion to the outer surface of the band. | 2009-12-10 |
20090306466 | DEVICE - A holding device is used during a laparoscopic surgery to hold an internal organ such as a gall bladder in a desired position in an insufflated abdominal cavity while maintaining pneumopertioneum. The device is used in association with an instrument which is used to introduce the device through an access port in the abdominal wall | 2009-12-10 |
20090306469 | ENDOSCOPE SYSTEM - An endoscope system includes at least an endoscope of the endoscope and an accessory, a placement unit on which the endoscope is adapted to be placed, a detecting unit configured to detect whether the endoscope is placed on the placement unit or not, an actuating unit for at least one of the endoscope and the accessory, an operating unit for operating the actuating unit, and a control unit configured to be switched between a normal mode wherein the actuating unit is controlled according to an operation to the operating unit and a restricting mode wherein the actuating unit is controlled regardless of an operation to the operating unit, on the basis of a result of detection by the detecting unit. | 2009-12-10 |
20090306470 | MEDICAL APPARATUS - A medical apparatus of the present invention includes a medical device configured to be introduced into a body, and the medical apparatus further includes: an image pickup portion which is provided in the medical device and picks up an image of a subject to be examined in the body; a securing portion configured to secure the medical device to a wall in the body; and a grasping unit which is arranged in parallel to the image pickup portion, incorporates at least one assistance apparatus that assists the image pickup, and is configured to be grasped when the medical apparatus is introduced and retracted in and out of the body. | 2009-12-10 |
20090306472 | SYSTEMS AND TECHNIQUES FOR ENDOSCOPIC DILATION - Dilators configured to be used over the top of conventional endoscopes are disclosed. Dilator | 2009-12-10 |
20090306473 | CAPSULE MEDICAL APPARATUS - A capsule medical apparatus includes a needle driving unit that punctures an internal region of a subject with an injection needle and pulls out the injection needle from the internal region, a liquid injection unit that injects a liquid into the internal region through the injection needle, and a leak prevention unit that prevents the liquid that is injected into the internal region from leaking from the internal region. | 2009-12-10 |
20090306474 | IN VIVO CAMERA WITH MULTIPLE SOURCES TO ILLUMINATE TISSUE AT DIFFERENT DISTANCES - An in vivo endoscope illuminates tissue using multiple sources. Light from a short-range source exits a tubular wall of the endoscope through a first illumination region that overlaps an imaging region, and the light returns through the imaging region after reflection by tissue, to form an image in a camera. Light from a long-range source exits the tubular wall through a second illumination region that does not overlap the imaging region. The endoscope of some embodiments includes a mirror, and light from an emitter for the short-range source is split and reaches the first illumination region from both sides of an optical axis of the camera. Illuminating the first illumination region with split fractions of light results in greater uniformity of illumination, than illuminating directly with an un-split beam. The energy generated by each source is changed depending on distance of the tissue to be imaged. | 2009-12-10 |
20090306475 | Electronic endoscope - An electronic endoscope has an insert section to be introduced into a human body cavity. A distal portion of the insert section contains a CCD and a printed circuit board to which the CCD is bonded. In the insert section, a cable bundle being a bundle of coaxial cables extends. Each coaxial cable consists of a signal line, insulation surrounding the signal line, a braided wire surrounding the insulation, and an insulating jacket. The cylindrical braided wire is stranded into a single line, and is soldered as a ground line to a ground terminal of the printed circuit board. The signal line is pulled out of the coaxial cable with a length longer than the ground line. The signal line is soldered to an input/output terminal of the printed circuit board with a larger sag than the ground line. | 2009-12-10 |
20090306476 | AUTOMATED CONTROL OF IRRIGATION AND ASPIRATION IN A SINGLE-USE ENDOSCOPE - The present invention is an integrated and automated irrigation and aspiration system for use in an endoscopic imaging system. The system provides for the automated cleaning of poorly prepared patients during a colonoscopy procedure as well as automated cleaning of an imaging system of an endoscope. The invention analyzes images obtained from an image sensor to detect the presence of an obstructed field of view, whereupon a wash routine is initiated to remove the obstruction. The wash routine may be adjusted in accordance with environmental conditions within the patient that are sensed by one or more sensors within the endoscope. In another embodiment, insufflation is automatically controlled to inflate a patient's colon as a function of one or more sensor readings obtained from one or more environmental sensor(s) on the endoscope. | 2009-12-10 |
20090306477 | Optical System - The invention relates to an optical system that is capable of taking images having a wide angle-of-view in simplified construction, is of small-format size and well corrected for aberrations, and has high resolving power. The optical system is an imaging system that is to image an object plane ( | 2009-12-10 |
20090306478 | ILLUMINATION DEVICE FOR USE IN ENDOSCOPE - An illumination device for use in an endoscope includes a light source, an optical fiber and a wavelength conversion member. The optical fiber guides light to a tip end of an endoscope insertion portion of the endoscope. The wavelength conversion member is provided at an emission end of the optical fiber. The wavelength conversion member configured to be excited by the light source. The illumination device can provide white illumination light obtained by mixing light emitted from the optical fiber and light obtained by exciting the wavelength conversion member by the light emitted from the optical fiber. Also, the illumination device can provide illumination light being different from the white illumination light, by using other excitation light. | 2009-12-10 |
20090306479 | VARIABLE SPECTROSCOPY ELEMENT, SPECTROSCOPY APPARATUS, AND ENDOSCOPE SYSTEM - Compactness and easier assembly, as well as desired spectral characteristics, are achieved without requiring an accurate assembly process, by accurately detecting the spacing between optical substrates. A variable spectroscopy element ( | 2009-12-10 |
20090306480 | SYSTEMS AND METHODS FOR TISSUE RETRACTION - A retractor system for percutaneous surgery in a patient includes first and second retractor portions positionable opposite one another in an incision of the patient. An actuating member is coupled with and extends between ends of the retractor portions which are positionable above the incision. The actuating member is in communication with a controller which includes a user interface for receiving actuation commands from the user. In response to actuation commands, the actuating member is actuated and its length is adjusted to position the first and second retractor portions relative to one another in the incision. In another form, a method is directed to retracting tissue for percutaneous access to a surgical site in a patient. However, other embodiments, forms and applications are also envisioned. | 2009-12-10 |
20090306481 | MEDICAL SURGICAL DEVICE FOR TREATING COLOPROCTOLOGICAL PATHOLOGIES - A medical surgical device for coloproctological pathologies comprises a tubular body ( | 2009-12-10 |
20090306482 | PATIENT MONITORING SYSTEM AND METHOD - A patient monitoring system is disclosed herein. The patient monitoring system includes a processor configured to receive patient data from a monitored patient, to provide a plurality of computer-generated task based on the patient data, and to provide a computer-generated task priority for each of the computer-generated tasks. The patient monitoring system also includes a display connected to the processor. The display is configured to generally simultaneously visually convey the patient data, the computer-generated task, and the computer-generated task priority. | 2009-12-10 |
20090306483 | treatment planning systems - A treatment planning method comprises the steps of identifying a plurality of treatment locations and an overall dose to be applied to each, for each specific location identifying the global dose applied at that location by doses aimed at different locations, as a proportion of the dose applied at the respective different location, constructing a dose factor matrix containing for each location, the global doses arising from the dose applied at each other location, inverting the dose factor matrix and multiplying it with a prescription matrix containing the overall doses to be applied to each location, thereby to obtain a resultant matrix containing a local dose for each location. This provides a mathematically straightforward method of deriving the necessary doses to be applied to each target so that, including the global doses delivered while irradiating a different target, each target receives the correct total dose. Some locations can be omitted from the treatment planning method, for example if they are located so far from the other locations that they will not have a significant interaction with them. A corresponding treatment planning apparatus is also described. | 2009-12-10 |
20090306484 | MONITORING PHYSIOLOGICAL CONDITIONS - A method for unobtrusive screening the well-being of a person using a plurality of sensing devices, including detecting the presence of a person; identifying and tracking the person; using sensing devices, which includes at least one camera, to unobtrusively sense one or more body parameters of the person; calculating and storing wellness parameters, which are derived from the sensed body parameter data; and automatically evaluating the well-being of the person based on current and prior semantic data including comparing the wellness parameters to previously determined wellness parameters for that person. | 2009-12-10 |
20090306485 | Wearable Electronic System - This document describes the design and control of a modular wearable electronic system that integrates an electrical interconnection harness, human body electrode modules, physiological sensor modules, electronic circuit modules, control software, and power supply modules into a single assembly. The design is intended to allow medical sensors and electronic circuits from different manufacturers to be connected into the system with relative ease. This system will enable a platform that can be expanded to incorporate many different kinds of physiological sensors and electronic circuits as and when they become available. It will also allow for different sizes of wearable electronic system to be constructed by simply changing the lengths and shapes of the electrical interconnections between the electrical modules. | 2009-12-10 |
20090306486 | SENSING VECTOR CONFIGURATION IN ICD TO ASSIST ARRHYTHMIA DETECTION AND ANNOTATION - An apparatus comprises an implantable cardiac signal sensing circuit, configured to provide a sensed near-field depolarization signal from a ventricle and to provide a sensed a far-field intrinsic atrial signal using a far-field atrial sensing channel, and a controller circuit communicatively coupled to the cardiac signal sensing circuit. The controller circuit includes a P-wave detection module configured to detect an atrial depolarization in the sensed far-field intrinsic atrial signal and a tachyarrhythmia detection module configured to detect an episode of tachyarrhythmia using the sensed near-field depolarization signal and to determine whether the tachyarrhythmia episode is indicative of supraventricular tachycardia (SVT) using the detected atrial depolarization and the sensed near-field depolarization signal. | 2009-12-10 |
20090306487 | PHOTOPLETHYSMOGRAPHY - A photoplethysmograph device includes a light source for illuminating a target object. A modulator drives the light source such that the output intensity varies as a function of a modulation signal at a modulation frequency. A detector receives light from the target object and generates an electrical output as a function of the intensity of received light. A demodulator with a local oscillator receives the detector output and produces a demodulated output,insensitive to any phase difference between the modulation signal and the oscillator, indicative of blood volume as a function of time and/or blood composition. A number of demodulators may be provided to derive signals from multiple light sources of different wavelengths, or from an array of detectors. The plethysmograph may operate in a transmission mode or a reflectance mode. When in a reflectance mode, the device may use the green part of the optical spectrum and may use polarising filters. | 2009-12-10 |
20090306488 | PORTABLE PATIENT MONITOR - Embodiments of the present disclosure includes a portable pulse oximeter, such as a handheld pulse oximeter, that provides a user with intuitive key navigation for device operation, which reduces an amount of visual concentration needed to handle and operate the oximeter. In various embodiments, the portable pulse oximeter includes one or more of user input keys disposed along curve, an alignment edge providing guidance by feel of a user's digits to the input keys, raised convex keys also providing navigation by feel, a protective boot disposed around various portions of the oximeter housing to protect against impacts, a table-top stand, combinations of the same, or the like. | 2009-12-10 |
20090306489 | APPARATUS AND METHOD FOR MEASURING A CHARACTERISTIC OF A COMPOSITION REACTIVE TO A MAGNETIC FIELD - A system that incorporates teachings of the present disclosure may include, for example, a sensor having a pulse oximeter sensor to measure an oxygen saturation level in a liquid, a magnetic source coupled to the pulse oximeter sensor, and a controller to control the pulse oximeter sensor and the magnetic source, and to measure a mechanical effect on the liquid responsive to the magnetic source applying a magnetic field to the liquid. Additional embodiments are disclosed. | 2009-12-10 |
20090306490 | Methods and Devices for Non-Invasive Analyte Measurement - Methods and compositions for the non-invasive determination of the concentration of an analyte are provided. | 2009-12-10 |
20090306491 | IMPLANTABLE NEURAL PROSTHETIC DEVICE AND METHODS OF USE - Neural stimulation devices are described that detect the neural activity from the spinal cord in a semi-invasive manner, where the device comprises at least one antenna array comprising an antenna. The antenna of the array is in electrical communication with the spinal cord of the patient. A device comprising more than one antenna array can be used to detect the neural signal strength, as well as the velocity and directionality of the signal. | 2009-12-10 |
20090306492 | Restraining device for a percutaneous lead assembly | 2009-12-10 |
20090306493 | ARRANGEMENT IN A TONOMETER - The arrangement in a tonometer has a probe that is brought into contact with the surface of the eye and the intraocular pressure in the eye is derived from the variations in the velocity of the probe. The probe is formed of a piece of a non-magnetic substance. The arrangement includes a holder located in the tubular component and attached to a shaft providing the force for the measurement, in which holder there is a guiding means for guiding a movement of the probe along an internal surface of the tubular component. | 2009-12-10 |
20090306494 | SYSTEM FOR MAGNETIC RESONANCE AND X-RAY IMAGING - A patient table for a common imaging system including Magnetic Resonance and X-Ray retains the patient stationary in position prior to, during and subsequent to the imaging and includes a base, a patient support portion cantilevered from the base and a mattress. A safety system is provided for controlling the operation of the magnet and MR system and the X-Ray systems to allow effective safe operation and controls the movement of the magnet to the table and the movement of the X-Ray imaging systems to and from the table to locations where they do not interfere with the MR imaging. | 2009-12-10 |
20090306495 | PATIENT SUPPORT TABLE FOR USE IN MAGNETIC RESONACE IMAGING - A patient table for a common imaging system including Magnetic Resonance and X-ray retains the patient stationary in position prior to, during and subsequent to the imaging and includes a base, a patient support portion cantilevered from the base and a mattress. The RF posterior coil portions for the head and for the chest can be inserted into and removed from an operating position underneath the head and chest of the patient while patient remains supported. The chest coil is inserted from one edge in a cavity in the mattress which is reinforced by a sleeve. The signal communication cable from the chest coil is routed in front of the mattress and over the mattress so as to not to be exposed at the sides. The head coil is carried on a base plate of the patient support alongside the head support which remains in place. | 2009-12-10 |
20090306496 | AUTOMATIC SEGMENTATION OF ARTICULAR CARTILAGE FROM MRI - A method for musculoskeletal tissue segmentation used in magnetic resonance imaging (MRI) is provided. MRI image data is collected using at least two different contrast mechanisms. Voxel values from data from each contrast mechanism are used as elements of a feature vector. The feature vector is compared with classification boundaries to classify musculoskeletal tissue type of the voxel. The previous two steps are repeated for a plurality of voxels. An image is generated from the classified musculoskeletal tissue types for the plurality of voxels to provide a musculoskeletal segmentation image. | 2009-12-10 |
20090306497 | CALIBRATION METHOD FOR CATHETER TRACKING SYSTEM USING MEDICAL IMAGING DATA - This invention discloses an improved method for the calibration and tracking of an electromagnetic or acoustic based catheter within a catheter tracking space for use in cardiac intervention for a specific patient, utilizing prior-acquired medical imaging data for the patient. | 2009-12-10 |
20090306498 | Systems and Methods for Improving Follicular Unit Harvesting - Tools and methods are provided for dissecting and/or removing biological units, such as hair follicles, from the body surface based on the images both above and below a body surface to reduce potential damage to the removed biological unit. The invention may be used in fully automated systems and also in a hand-held devices and systems. A system may produce a series of three-dimensional images of the body surface indicating follicular unit size, shape, position, and orientation both above and below the skin surface. The images may be utilized by an automated follicular unit harvesting tool, or maybe stored for later use. Imaging techniques include devices that sense light in the visible or infrared spectrums, optical coherence tomography, and ultrahigh frequency ultrasound. | 2009-12-10 |
20090306499 | SELF-DETECTING KINEMATIC CLAMP ASSEMBLY - Described are computer-based surgical methods and apparatuses for a self-detecting kinematic assembly. The self-detecting kinematic clamp assembly detects and indicates a degradation in pose. The self-detecting kinematic clamp assembly includes a tracking element for tracking a pose of the kinematic clamp assembly. The self-detecting kinematic clamp assembly includes a base portion comprising a fixation device that is attachable to a rigid body, and a top portion connected to the tracking element, the top portion being removably connected to the base portion. The self-detecting kinematic clamp assembly includes a detection mechanism, the detection mechanism including three or more contact points between the base potion and top portion and a mechanism that detects movement between one or more of the three or more contact points. | 2009-12-10 |
20090306500 | WORKFLOW FOR MINIMALLY INVASIVE HEART TREATMENT - A system and method of treating a patient is described, where an implantable device is introduced into the patient and guided to an appropriate location using a 2-dimentsional X ray taken prior to the introduction of the device, and a fluoroscopic image taken from the same aspect during the procedure, and using the same portion of a physiological cycle. The implantable device may be a percutaneous aortic heart valve (PHV), and the location of the device may be determined with respect to specific bodily structures identified in the 2-dimensional X-ray, such as the aortic valve and the coronary ostia. The installation position of the device is selected so as to avoid obstruction of the coronary ostia. | 2009-12-10 |
20090306501 | Method and apparatus for directed device placement in the cerebral ventricles or other intracranial targets - Apparatus for directed cranial access to a site includes a guidepiece and a receptacle. The receptacle includes a lower part having a rim and a base, and a hollow stem at the base adapted to be mounted in a hole in the skull; and an upper part having a rim and an opening at the top. Each part of the receptacle has an interior spherical surface, and they can be joined at the rims to form an inner surface enclosing a spherical interior. The guidepiece includes a body having a spherical outer surface and a cylindrical bore through the center, defining an alignment axis; and a guide tube in the bore. The guidepiece is dimensioned to fit rotatably within the receptacle interior, and the apparatus is assembled by joining the receptacle over the guidepiece body, with the guide tube projecting through the top opening. The guide tube is dimensioned to accept an imaging device such as an ultrasound probe during an imaging stage, and an adaptor is provided, dimensioned to accept a device to be placed at the site during a placement stage. The probe is inserted into the guide tube and the guidepiece is swiveled until the image shows that the alignment axis is aligned along an optimal trajectory to the site, the receptacle is tightened to lock the guidepiece, and the imaging device is withdrawn. Then the adaptor is inserted into the guide tube, and the device is inserted through the adaptor along the established trajectory to the site. After placement of the device into the intracranial target, the adaptor, guidepiece, and receptacle are removed as a unit over the device while the device is held in place. | 2009-12-10 |
20090306502 | Head for Imaging and Treating Organs of Living Organisms and Production Method Thereof - An imaging and treatment head for imaging and treating an organ or tissue of a living being, and usable in particular for treating tumors of the prostate or the thyroid, said head comprising: imaging means ( | 2009-12-10 |
20090306503 | ADAPTIVE VOLUME RENDERING FOR ULTRASOUND COLOR FLOW DIAGNOSTIC IMAGING - Adaptive volume rendering is provided for medical diagnostic ultrasound. The opacity of B-mode data is set relative to the opacity of Doppler data. The opacities for the different types of data are set as a function of ray depth. For example, the opacity of B-mode data near a tissue border is set to be more opaque than for tissue away from the border, and the opacity for flow data near a flow border is set to be less opaque than for flow away from the border. An image is rendered using a rendering parameter set as a function of ray depth, B-mode information and Doppler information. Other processes for enhancing and/or using rendering may be used. | 2009-12-10 |
20090306504 | IMAGE DISPLAYING METHOD AND MEDICAL IMAGE DIAGNOSTIC SYSTEM - The image display method comprises a three-dimensional image creating step that creates a three-dimensional image based on volume data; a cutting plane setting step that sets a cutting plane that cuts the three-dimensional image at an arbitrary position; and a positional relationship display image creating step that creates a positional relationship display image representing the mutual positional relationship between the three-dimensional image and the cutting plane, in which the opacity of the cutting plane in the positional relationship display image is adjusted so that a portion of the three-dimensional image that is hidden by the cutting plane is visually recognizable through the cutting plane in the positional relationship display image. | 2009-12-10 |
20090306505 | ULTRASONIC DIAGNOSTIC APPARATUS - Ultrasonic diagnostic equipment which displays a high contrast ultrasonic image enhancing the outline structure of an inspection object. More specifically, the motion vector of an object occurring between images used for addition is measured using a captured ultrasonic image, deformation processing is performed on accumulated addition image based on the measurement, and then addition processing is performed by multiplying the acquired image and the accumulated addition image by weighting coefficients. | 2009-12-10 |
20090306506 | Method Of Aquiring Data In The Mouth Of A Patient, Such A Device, An Arrangement Comprising A Dentist's Chair And Such A Device And The Use Of This Device | 2009-12-10 |
20090306507 | Anatomical Feature Extraction From An Ultrasound Liver Image - There is disclosed an embodiment for extracting anatomical features from a 3-dimensional B-mode ultrasound liver image for image registration. A system extracts anatomical features from a 3-dimensional B-mode ultrasound liver image for image registration. An image forming unit forms a 3-dimensional ultrasound liver image based on ultrasound signals reflected from the liver. A diaphragm extracting unit extracts a diaphragm region from the 3-dimensional B-mode ultrasound liver image. A vessel extracting unit extracts vessel regions from the 3-dimensional ultrasound liver image. A diaphragm refining unit refines the extracted diaphragm region with the extracted vessel regions to remove clutters from the diaphragm region. A registration unit extracts sample points from the diaphragm region with the clutters removed and the vessel regions for image registration. | 2009-12-10 |
20090306508 | ULTRASONIC DIAGNOSTIC APPARATUS - An ultrasonic diagnostic apparatus disclosed herein comprises an ultrasonic probe which generates an ultrasonic beam, a volume data set collecting unit which collects a plurality of volume data sets corresponding to a plurality of three-dimensional scan ranges via the ultrasonic probe, the plurality of three-dimensional scan ranges partly overlapping one another, a region of interest setting unit which sets, in accordance with a user instruction, a region of interest on a first tomogram generated from particular one of the plurality of volume data sets, a tomogram generating unit which generates the first tomogram from the particular volume data set and also generates a second tomogram associated with a section including the region of interest from another volume data set corresponding to the three-dimensional scan range including the region of interest, and a display unit which displays the first tomogram and the second tomogram. | 2009-12-10 |
20090306509 | FREE-HAND THREE-DIMENSIONAL ULTRASOUND DIAGNOSTIC IMAGING WITH POSITION AND ANGLE DETERMINATION SENSORS - A freehand 3-D imaging system includes an integrated sensor configuration that provides position and orientation of each 2D imaging plane used for 3-D reconstruction without the need for external references. The position sensors communicate with the imaging system using either wired and wireless means. At least one translational and one angular sensor or three translational sensors acquire data utilized to compute position tags associated with 2D ultrasound image scan frames. The sensors can be built into the ultrasound transducer or can be reversibly connected and therefore retrofitted to existing imaging probes for freehand 3D imaging. | 2009-12-10 |
20090306510 | Ultrasound Imaging Apparatus - An ultrasound imaging apparatus comprising a plurality of transducer elements images an object by making use of the plurality of transducer elements whose received signals are given delays, transmitting a pulse ultrasonic wave to the object and receiving its reflected wave. The transducer elements are divided into a plurality of blocks and the transducer elements in each of the blocks are selected by a selecting means so that the delays given to the received signals for the transducer elements in each of the blocks are identical. | 2009-12-10 |
20090306511 | ULTRASOUND IMAGING APPARATUS AND METHOD FOR GENERATING ULTRASOUND IMAGE - For a three-dimensional region including a treatment target site of a patient, a puncture needle scanning region R | 2009-12-10 |
20090306512 | Coherent Image Formation for Dynamic Transmit Beamformation - Retrospective dynamic transmit beamformation is provided in medical ultrasound imaging. Using parallel receive beamformation, sets of data representing locations in at least a common field of view are obtained, each set in response to a transmit with a spatially distinct phase front. The common field of view receive data are time aligned and amplitude weighted for retrospective transmit focusing and retrospective transmit apodization, respectively. A time offset, such as of a cycle or more in some cases, is applied to the receive data for retrospective transmit focusing. The offset is selected to emulate shifting the transmit delay profile to be tangentially intersecting with the dynamic receive delay profile for each location which is the desired transmit delay profile. A weight is applied to the receive data for retrospective transmit apodization. The weight is selected based on the desired transmit apodization profile. The offset and weighted data representing a same location from different transmit events is coherently combined. The number of sets of data offset, weighted and combined may vary as a function of depth for dynamic transmit beamformation. | 2009-12-10 |
20090306513 | Multi-Plane/Multi-Slice Processing For 2-D Flow Imaging in Medical Diagnostic Ultrasound - A volumetric method for 2-D flow imaging is provided in medical diagnostic ultrasound. Flow data for a volume is acquired. For more rapid acquisition, broad beam transmission and reception along many scan lines distributed in the volume is used. The volumetric flow data is filtered, such as by calculating statistical information, to generate a planar/2-D flow image. The statistical information from the three-dimensional flow data is used to determine the display values for the flow imaging. | 2009-12-10 |
20090306514 | ULTRASOUND IMAGING APPARATUS AND METHOD FOR DISPLAYING ULTRASOUND IMAGE - An imaging part acquires a plurality of ultrasound image data by sequentially imaging the subject with ultrasound waves. A display controller causes a display to display, side by side, a plurality of ultrasound images based on the plurality of ultrasound image data acquired by the imaging part. | 2009-12-10 |
20090306515 | Automated Pressing Device and Ultrasonic Diagnosis Apparatus Using the Device - An automated pressing device ( | 2009-12-10 |
20090306516 | ULTRASOUND PROBE AND ULTRASOUND DIAGNOSIS APPARATUS - An ultrasound probe and an ultrasound diagnosis apparatus that can acquire 3-D ultrasound image data of a wide viewing scope including both a diagnosis portion and peripheral portions of the diagnosis portion by swinging a transducer unit in an orthogonal direction to an array of a plurality transducers in the transducer unit without sacrificing the operability of the ultrasound probe. | 2009-12-10 |
20090306517 | METHOD AND APPARATUS FOR MATHEMATICALLY CHARACTERIZING EAR CANAL GEOMETRY - The present subject matter provides apparatus and methods for physically fitting a hearing assistance device, including mathematically characterizing a person's ear canal. The apparatus includes an expandable balloon for positioning in the ear canal, the balloon including a hollow interior channel. A flexible catheter extends through the interior portion of the balloon, and the flexible catheter includes a track. A platform is movably coupled to the track. An ultrasonic transducer and a microelectromechanical systems (MEMS) sensor are coupled to the platform. The ultrasonic transducer scans the ear canal and the MEMS sensor senses motion and position of the transducer. According to various embodiments, a mathematical representation of the ear canal is adapted to be computed using information from the transducer and sensor. | 2009-12-10 |
20090306518 | TRANSDUCERS, DEVICES AND SYSTEMS CONTAINING THE TRANSDUCERS, AND METHODS OF MANUFACTURE - A catheter assembly for an intravascular ultrasound system includes a catheter and an imaging core. The catheter includes a lumen extending along the longitudinal length of the catheter from the proximal end to the distal end and the imaging core is configured and arranged for inserting into the lumen. The imaging core includes a rotatable driveshaft, at least one transducer mounted to the distal end of the rotatable driveshaft, and a twisted wire cable coupled to the at least one transducer. In addition, a number of different transducer arrangements and methods of making transducers are presented | 2009-12-10 |
20090306519 | MEASUREMENT WITH MULTIPLEXED DETECTION - The invention relates to a device ( | 2009-12-10 |
20090306520 | Quantitative methods for obtaining tissue characteristics from optical coherence tomography images - A method and apparatus for determining properties of a tissue or tissues imaged by optical coherence tomography (OCT). In one embodiment the backscatter and attenuation of the OCT optical beam is measured and based on these measurements and indicium such as color is assigned for each portion of the image corresponding to the specific value of the backscatter and attenuation for that portion. The image is then displayed with the indicia and a user can then determine the tissue characteristics. In an alternative embodiment the tissue characteristics is classified automatically by a program given the combination of backscatter and attenuation values. | 2009-12-10 |
20090306521 | NONINVASIVE MEASUREMENT OF CAROTENOIDS IN BIOLOGICAL TISSUE - A method and apparatus are provided for the determination of carotenoid antioxidants and similar chemical compounds in biological tissue such as living skin. The method and apparatus provide a noninvasive, rapid, accurate, and safe determination of carotenoid levels which in turn can provide diagnostic information of the antioxidant status of tissue. Reflection spectroscopy is used to measure the concentrations of carotenoids and similar substances in tissue. White light is directed upon the area of tissue that is of interest. A small fraction of diffusively scattered light is collected and measured. The tissue is pressured to temporarily squeeze blood out of the measured tissue volume while the reflection spectrum is continuously monitored, displayed, and analyzed in near real time. After an optimal time period of typically 15 seconds, the influence of the dominating hemoglobin and oxyhemoglobin tissue absorptions on the reflection spectra are minimized. | 2009-12-10 |
20090306522 | Method and Apparatus for Detecting Abnormal Living Tissue - Light scattering and absorption techniques for the detection of possible abnormal living tissue. Apparatus and methods for utilizing multiple blood content detection sensors and/or contact sensors for beneficially providing data to better guide an endoscope or colonoscope to locate abnormal tissue, tumors, or tissues that precede the development of such lesions or tumors. | 2009-12-10 |
20090306523 | APPARATUS FOR MEASURING VASCULAR VISCOELASTICITY INDEX - The present invention is directed to provide an apparatus for measuring a vascular viscoelasticity index which is noninvasive, simple in structure and yet inexpensive. | 2009-12-10 |
20090306524 | SENSOR FOR DETECTING THE PASSING OF A PULSE WAVE FROM A SUBJECT'S ARTERIAL SYSTEM - In order to provide an easy-to-use technique for measuring blood pressure and/or other vital signs of a subject, a sensor for detecting the passing of a pulse wave from a subject's arterial system is suggested, the sensor being adapted to be located at a sensing position on the exterior of the subject's body, characterized in that the sensor comprises a number of electrical coils for generating an inductive coupling to the subject's body in a way that the properties of said inductive coupling change if a pulse wave passes a screened volume underneath the sensing position, and a circuit connected to the number of electrical coils, said circuit being adapted to detect said property changes of the inductive coupling. | 2009-12-10 |
20090306525 | Apparatus and Method for Defibrillation Pulse Detection Using Electromagnetic Waves - A pulse detector that uses electromagnetic waves for detecting a patient pulse in conjunction with the administration of defibrillation and/or CPR. Electromagnetic waves are applied to a patient blood vessel and the reflected electromagnetic waves are analyzed for a Doppler shift, which is indicative of a pulse. In some applications the pulse detector can be used as a stand-alone device in conjunction with the administration of CPR. In other applications, the pulse detector is included with a defibrillator and provides pulsatile information that is analyzed in addition to ECG information in determining resuscitation therapy, or following defibrillation to ascertain its success. | 2009-12-10 |