44th week of 2009 patent applcation highlights part 49 |
Patent application number | Title | Published |
20090270639 | PROCESS FOR PRODUCTION OF (.+-.)-3A,6,6,9A- TETRAMETHYLDECAHYDRONAPHTHO[2,1-B]FURAN-2(1H)-ONE - The present invention relates to industrially useful production processes in which (±)-3a,6,6,9a-tetramethyldecahydronaphtho[2,1-b]furan-2(1H)-ones and further (±)-3a,6,6,9a-tetramethyldo decahydronaphtho[2,1-b]furans are produced from raw materials which are readily available at low costs, through short steps and in a simple manner. The process for producing (±)-3a,6,6,9a-tetramethyldecahydronaphtho[2,1-b]furan-2(1H)-ones represented by the general formula (III): | 2009-10-29 |
20090270640 | METHOD FOR PRODUCTION OF ETHYLENE OXIDE IN A MICROCHANNEL REACTOR - Processes for preparing ethylene oxide, the process comprising: (a) providing a catalyst-comprising microchannel reactor; (b) feeding (i) an ethylene-comprising stream and (ii) a stream comprising oxygen, an oxygen source or both, into the microchannel reactor; and (c) continuously feeding one or more components selected from the group consisting of alkyl halides, nitrogen-comprising compounds, and mixtures thereof into the microchannel reactor in a concentration of from 0.3 to 50 ppm by volume, each based on the total volume flow of all streams introduced into the reactor. | 2009-10-29 |
20090270641 | Method for Producing Propylene Oxide - A method for producing propylene oxide comprising a step of reacting hydrogen peroxide with propylene in the presence of an epoxidation catalyst in a liquid phase to produce propylene oxide and a step of recovering a recyclable constituent in a vent gas generated in the above step by absorbing the recyclable constituent in a solvent containing a nitrile. | 2009-10-29 |
20090270642 | Preparation of bile acids and intermediates thereof - Synthetic methods for preparing deoxycholic acid and intermediates thereof are provided. | 2009-10-29 |
20090270643 | Method for producing an oxygen-containing compound used as fuel additive, in particular in diesel fuels, gasoline, and rapeseed methyl ester - The invention concerns a method for producing an oxygen-containing compound used as fuel additive, in particular in diesel fuels, gasoline and rapeseed methyl ester. The method consists in a) reacting a polyvalent alcohol with an aldehyde or a ketone to produce an acetal and b) etherifying the subsisting free hydroxyl groups in the acetal produced at step a) with tertiary olefins. | 2009-10-29 |
20090270644 | BASE AGENT FOR ELECTRICAL INSULATING OIL - Disclosed is a base agent for electrical insulating oils, which mainly contains an esterified product of glycerin and a linear or branched, saturated or unsaturated fatty acid having 6-14, preferably 8-12 carbon atoms. This base agent for electrical insulating oils is excellent in electrical characteristics, oxidation stability, cooling characteristics, flame retardance and safety. In particular, this agent for electrical insulating oils can meet energy/environmental problems by using an edible oil and fat, which is obtained by using a fatty acid derived from a vegetable oil as a raw material, as the linear or branched, saturated or unsaturated fatty acid having 6-14 carbon atoms. | 2009-10-29 |
20090270645 | METHOD FOR THE SEPARATION OF NICKEL(0) COMPLEXES AND PHOSPHOROUS-CONTAINING LIGANDS FROM NITRILE MIXTURES - A process for extractively removing nickel(0) complexes having phosphorus ligands from a reaction effluent of a hydrocyanation of unsaturated mononitriles to dinitriles by extraction by means of a hydrocarbon, a phase separation of the hydrocarbon and of the nitrile-containing solution into two phases being effected, by feeding at least one polar additive to the hydrocyanation effluent (feedstream) and/or to the extraction stage. | 2009-10-29 |
20090270646 | METHOD FOR PREPARATION OF ALKOXYSILANES HAVING REDUCED HALIDE - Disclosed is a method for lowering the residual halide content in alkoxysilanes. The method comprises contacting the alkoxysilane having residual halide content with activated carbon followed by separation of the alkoxysilane. The resultant materials are useful as intermediates for the preparation of other chemical compounds and for use in electronics applications. | 2009-10-29 |
20090270647 | METHOD FOR PRODUCING ALPHA - AMINO ACID INCLUDING PHOSPHORUS AND PRODUCTION INTERMEDIATES THEREOF - A method for efficiently producing L-2-amino-4-(hydroxymethylphosphinyl)-butanoic acid, useful as a herbicide, by a catalytic asymmetric synthesis reaction with a high asymmetric yield. The method includes a step in which a compound represented by the below formula (1) and a benzylamine are reacted in the presence of dehydrating agent, then the resulting mass is reacted with hydrogen cyanide in the presence of an asymmetric catalyst, followed by acid hydrolysis, further followed by elimination of a protective group. [chemical formula 1] (1) (where, R | 2009-10-29 |
20090270648 | FLUIDIZED BED CATALYST FOR PRODUCING ACRYLONITRILE AND PROCESS FOR PRODUCING ACRYLONITRILE - A fluidized bed catalyst for producing acrylonitrile capable of maintaining a high yield of acrylonitrile over a long time, and a process for producing acrylonitrile using the catalyst are provided. A fluidized bed catalyst for producing acrylonitrile having a composition represented by a following general formula: | 2009-10-29 |
20090270649 | PROCESS FOR ALKALINE HYDROLYSIS OF CARBOXYLIC ACID DERIVATIVES TO CARBOXYLIC ACIDS - The invention relates to a process for alkaline hydrolysis of carboxylic acid derivatives, especially carboxylic esters, to carboxylic acids, wherein, for the alkaline hydrolysis of the carboxylic acid derivatives, red mud which is produced by the Bayer process used for aluminum production is used as a reaction-promoting component, especially as a hydroxide ion source. | 2009-10-29 |
20090270650 | Method and apparatus for carbonylating methanol with acetic acid enriched flash stream - A carbonylation process for producing acetic acid including: (a) carbonylating methanol or its reactive derivatives in the presence of a Group VIII metal catalyst and methyl iodide promoter to produce a liquid reaction mixture including acetic acid, water, methyl acetate and methyl iodide; (b) feeding the liquid reaction mixture at a feed temperature to a flash vessel which is maintained at a reduced pressure; (c) heating the flash vessel while concurrently flashing the reaction mixture to produce a crude product vapor stream, wherein the reaction mixture is selected and the flow rate of the reaction mixture fed to the flash vessel as well as the amount of heat supplied to the flash vessel is controlled such that the temperature of the crude product vapor stream is maintained at a temperature less than 90° F. cooler than the feed temperature of the liquid reaction mixture to the flasher and the concentration of acetic acid in the crude product vapor stream is greater than 70% by weight of the crude product vapor stream. | 2009-10-29 |
20090270651 | Methanol carbonylation system having absorber with multiple solvent options - A methanol carbonylation system | 2009-10-29 |
20090270652 | PROCESS FOR TRANSFERRING HEAT TO A LIQUID COMPRISING DISSOLVED MONOMERIC ACRYLIC ACID, MICHAEL ACRYLIC ACID OLIGOMERS AND ACRYLIC ACID POLYMER - A process for transferring heat to a liquid F comprising dissolved monomeric acrylic acid, Michael acrylic acid oligomers, and acrylic acid polymer with the aid of an indirect heat exchanger to which are supplied the liquid F with a temperature T | 2009-10-29 |
20090270653 | PROCESS FOR PRODUCING 1-(3,4-DICHLOROBENZYL)-5-OCTYLBIGUANIDE OR A SALT THEREOF - The present invention provides a process for producing 1-(3,4-dichlorobenzyl)-5-octylbiguanide or a salt thereof, the process comprising reacting 1-cyano-3-octylguanidine or a salt thereof, with 3,4-dichlorobenzylamine or a salt thereof, in an ester-based organic solvent. According to the present invention, the reaction can be carried out at a low temperature using general-purpose equipment, and 1-(3,4-dichlorobenzyl)-5-octylbiguanide or a salt thereof can be produced in a high yield by a safe and easy process. | 2009-10-29 |
20090270654 | HEPATIC FIBROSIS INHIBITOR - The progression of hepatic fibrosis and hepatic cirrhosis caused by various hepatic disorders and damages such as chronic hepatitis can be restrained by hepatic fibrosis inhibitor containing a compound represented by the following chemical formula: | 2009-10-29 |
20090270655 | Conversion of Alkylhalides Into Alcohol Alkoxylates - A process for converting alkyl halides to alkyl alcohol alkoxylates is described. This is a direct alkoxylation because the alkyl alcohol alkoxylates are made without going through an alkyl alcohol intermediate. The process comprises direct alkoxylation coupling of alkyl halides with a nucleophilic material in the presence of a homogeneous catalyst system to produce alkyl alcohol alkoxylates, wherein the homogeneous catalyst system comprises at least one metal or metal compound which has the ability to form metal-halogen bonds. A process for converting alkanes (paraffins) to alkyl alcohol alkoxylates is also described. This method comprises a) halogenation of at least one alkane to produce at least one alkyl halide; and b) direct alkoxylation coupling of at least a portion of the alkyl halide with a nucleophilic material in the presence of a homogeneous catalyst system to produce alkyl alcohol alkoxylates, wherein the homogeneous catalyst system comprises at least one metal or metal compound which has the ability to form metal-halogen bonds. | 2009-10-29 |
20090270656 | Industrial Process for Producing High-Purity Diol - It is an object of the present invention to provide a specific apparatus and process for industrially producing a high-purity diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials. Moreover, it is an object to thus provide a specific industrial apparatus and industrial production process that are inexpensive and, for example, enable the high-purity diol to be produced in an amount of not less than 1 ton/hr, preferably not less than 2 tons/hr, more preferably not less than 3 tons/hr, stably for a prolonged period of time (e.g. not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours). According to the present invention, the above objects can be attained by using a continuous multi-stage distillation column A, a continuous multi-stage distillation column C, and a continuous multi-stage distillation column E, which have a specified structure, and withdrawing a liquid component from the side cut outlet, which is installed at the bottom of a chimney tray having a specified structure installed in an enrichment section of the continuous multi-stage distillation column E. | 2009-10-29 |
20090270657 | PROCESS FOR THE PREPARATION OF A 1,2-ALKYLENE DIOL AND A DIALKYLCARBONATE - The present invention relates to a process for the preparation of a 1,2-alkylene diol and a dialkylcarbonate, comprising the steps of
| 2009-10-29 |
20090270658 | Methods for preparing aldehydes by self-aldol condensation - Methods for preparing self-aldol condensation products of prenyl aldehyde (3-methyl-2-butenal) by use of an amine catalyst under weakly acidic conditions at temperatures of 10° C. or higher are disclosed. Methods are disclosed for the selective formation of α-1,2-adducts and γ-1,2-adducts of prenyl aldehyde, and for the formation of specialty compositions useful in the flavor and fragrance industries. | 2009-10-29 |
20090270659 | METHOD FOR PRODUCING HYDROFLUOROCARBONS - The invention relates to a method for producing hydrofluorocarbons. The method comprises a step of reacting at least one hydro(fluoro)chlorocarbon or chlorocarbon with hydrofluoric acid in a gaseous phase in the presence of a catalyst, and a step of separating fluorination reaction products from the mixture. The method is characterized in that the gaseous flow from the reaction is compressed by means of a compressor before being subjected to the separation step. The invention also relates to a device for implementing the method. | 2009-10-29 |
20090270660 | PROCESS FOR GEOMETRIC ISOMERIZATION OF HALOGENATED OLEFINS - Disclosed are processes for the conversion of isomerizable halogenated C2-C6 olefins from one geometric form to a more preferred geometric form. Preferred process aspects comprise converting C2-C6 olefin in a cis-form to a trans-form comprising exposing the cis-form of the compound, preferably contained in process stream, to conditions effective to convert at least about 50 percent, and even more preferably at least about 70 percent, of the cis-form compound to the trans-form compound. Preferably the catalyst comprises at least one Lewis acid metal fluoride. | 2009-10-29 |
20090270661 | PROCESS FOR DEHYDROFLUORINATION OF 3-CHLORO-1,1,1,3-TETRAFLUOROPROPANE TO 1-CHLORO-3,3,3-TRIFLUOROPROPENE - A process for making 1-chloro-3,3,3-trifluoropropene. The process has the following step: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst. Preferred catalysts are selected from the group consisting of (i) one or more halogenated trivalent or higher valent metal oxides, (ii) one or more trivalent or higher valent metal halides, and (iii) one or more natural or synthetic graphite materials. | 2009-10-29 |
20090270662 | Process for the Production of Dichlorotrifluoroethane - A process for the production of dichlorotrifluoroethane is described. The process comprises reacting perchloroethylene with hydrogen fluoride in the vapour phase at elevated temperature in at least one reactor in the presence of a fluorination catalyst to produce a composition comprising dichlorotrifluoroethane, hydrogen chloride, unreacted perchloroethylene and unreacted hydrogen fluoride. The composition that is produced is subjected to a separation step to recover a first fraction comprising dichlorotrifluoroethane and a second fraction comprising perchloroethylene and hydrogen fluoride. The second fraction is further separated into a hydrogen fluoride-rich fraction and a perchloroemylene-containing, organic-rich fraction which are then recycled. The dichlorotrifluoroethane that is recovered may be used to prepare pentafluoroethane. | 2009-10-29 |
20090270663 | METHOD FOR GRIGNARD TYPE REACTIONS IN MICROREACTORS - The present invention relates to a process for Grignard type reactions comprising mixing at least two fluids in a microreactor having at least two injection points. | 2009-10-29 |
20090270664 | Olefin Waxes Having Improved Hardness or Viscosity - In one embodiment, we disclose hardened olefin waxes and processes for preparing them. In another embodiment, we disclose oxidized olefin waxes having low viscosity and processes for preparing them. The waxes are suitable for use as polishes, coatings, or inks, among other uses. | 2009-10-29 |
20090270665 | DEVICE TO SEPARATE OLEFINS FROM PARAFFINS AND TO PURIFY OLEFINS AND USE THEREOF - The present invention discloses a device, which uses membranes, capable of separating olefins from paraffins. The device ( | 2009-10-29 |
20090270666 | PROCESS TO MAKE BASE OIL FROM FISCHER-TROPSCH CONDENSATE - A process for making a base oil, comprising: selecting a feed from a Fischer-Tropsch condensate; oligomerizing the feed in an ionic liquid; and alkylating the oligomer in the presence of an isoparaffin, in an ionic liquid alkylation zone, to form a product having: a kinematic viscosity at 100° C. of 6.9 mm | 2009-10-29 |
20090270667 | PROCESS TO MAKE BASE OIL FROM THERMALLY CRACKED WAXY FEED USING IONIC LIQUID CATALYST - We provide a process for making a base oil, comprising: a) selecting an olefin feed produced by thermal cracking of a waxy feed; b) oligomerizing the olefin feed in an ionic liquid oligomerization zone at a set of oligomerization conditions to form an oligomer; and c) alkylating the oligomer in the presence of an isoparaffin, in an ionic liquid alkylation zone, at a set of alkylation conditions to form an alkylated oligomeric product having a kinematic viscosity at 100° C. of 6.9 mm | 2009-10-29 |
20090270668 | Process for Producing Olefins - The present invention relates to a process for the co-production of ethylene and propylene from an ethanol feedstock and a propanol feedstock. | 2009-10-29 |
20090270669 | PROCESS FOR THE PREPARATION OF PROPYLENE FROM A HYDROCARBON FEED - Process for the preparation of propylene from a hydrocarbon feed, wherein the hydrocarbon feed is an essentially olefinic hydrocarbon feed comprising C6 olefins and wherein the hydrocarbon feed is contacted with a one-dimensional zeolite having 10-membered ring channels and a silica to alumina ratio (SAR) in the range from 10 to 200. | 2009-10-29 |
20090270670 | RECOVERY OF ORGANIC CONTAMINANTS FROM TERRESTRIAL ENVIRONMENTS - The present invention concerns a method for removing organic contaminants from a terrestrial environment, such as soil. The method involves contacting the contaminated soil with a solid polymeric material having an affinity for a target organic contaminant, without the need to add any liquid to the soil to form a slurry and/or without the need for the soil to have a high moisture content. Preferably, the organic contaminants absorbed into the polymer materials are removed from the polymer and the polymer reused. | 2009-10-29 |
20090270671 | Calcium-sodium polysulfide chemical reagent and production methods - A calcium-sodium polysulfide chemical reagent and methods for producing the reagent. The reagent is a blend of calcium polysulfide and sodium polysulfide that can be prepared using various types, sources and ratios of lime, elemental sulfur and sulfide ion using either virgin or waste materials. The reagent is amenable to inexpensive and high rate production methods at ambient or warmer temperatures. The reagent can be used to precipitate metals from wastewater, stabilize hexavalent chrome in hazardous waste residues, remove mercury from coal fired power plants, and as an electrolyte in large-scale bromide/polysulfide electrical storage batteries | 2009-10-29 |
20090270672 | Needle Cap Ejector for Radiation Shielded Syringe - The invention relates to a radiation shielded syringe assembly that includes a radiopharmaceutical syringe and a radiation shield ( | 2009-10-29 |
20090270673 | METHODS AND SYSTEMS FOR TINNITUS TREATMENT - Methods and systems for tinnitus treatment are described where a device is coupled to a surface of a bone or to a tooth or several teeth. Such a device may comprise an oral appliance having an electronic and/or transducer assembly for generating sounds via a vibrating transducer element. Generally, the transducer may be programmed to adjust any number of settings and treatment options to generate one or more frequencies of sound via the actuatable transducer to transmit a modified audio signal via vibratory conductance to an inner ear of the patient to mask the tinnitus. The audio signal is also modified to account for any hearing loss of the patient as well as a bone sensitivity threshold measured from the patient and calibrated by the programming device. | 2009-10-29 |
20090270676 | ARTICULATING CANNULA ACCESS DEVICE - Devices and methods are disclosed for less invasive surgery. More particularly, methods and devices described herein permit improved access within a body cavity when performing a minimally invasive procedure, typically through a small opening, a surgical port, or during an open surgical procedure. | 2009-10-29 |
20090270677 | DEVICE PLATFORM FOR MEDICAL PROCEDURES - The present embodiments provide apparatus and methods suitable for facilitating positioning one or more medical components. In one embodiment, the apparatus comprises a rail member having proximal and distal ends and a generally longitudinal axis. A first connector is adapted to be selectively coupled to the rail member, and a first medical component is adapted to be coupled to the first connector. The first connector is disposed for selective longitudinal movement along the rail member, thereby permitting movement of the first medical component with respect to the rail member. In this manner, one or more components, such as a catheter and a needle, may be inserted into a human or animal body in a controlled fashion with respect to one another. | 2009-10-29 |
20090270678 | AUGMENTED STEREOSCOPIC VISUALIZATION FOR A SURGICAL ROBOT USING TIME DUPLEXING - An endoscope with a stereoscopic optical channel is again held and positioned by a robotic surgical system. A capture unit captures (1) at a first time, a first image from light from the channel; and (2) at a second time different from the first time, a second image from the light. Only one of the first image and the second image includes a combination of a fluorescence image and a visible image. The other of the first image and the second image is a visible image. An intelligent image processing system generates an artificial fluorescence image using the captured fluorescence image. An augmented stereoscopic display system outputs an augmented stereoscopic image of at least a portion of the tissue comprising the artificial fluorescence image. | 2009-10-29 |
20090270679 | WIRELESSLY POWERED MEDICAL DEVICES AND INSTRUMENTS - A medical device that is wirelessly powered by a resonant magnetic field, the device automatically coupling to a power transmitter in a control unit when brought within a threshold radius. In one embodiment, the control unit automatically identifies the medical device and automatically adjusts its settings to control the medical device. | 2009-10-29 |
20090270680 | SELF-PROPELLED COLONOSCOPE - A self-propelled colonoscope comprises a tubular flexible insertion portion ( | 2009-10-29 |
20090270681 | SCRAPING FLUID REMOVAL IN A SURGICAL ACCESS DEVICE - The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in which the surgical access device is being inserted. In one embodiment, a seal assembly is provided and can include a seal having an opening configured to receive a surgical instrument therethrough and a fluid remover in the form of an absorbent element, a scraper element, a wicking element, or any combination thereof can be associated with the seal and configured to remove fluid from the opening and/or a surgical instrument. | 2009-10-29 |
20090270682 | SURGICAL INSTRUMENT - The present invention relates to a surgical instrument. In particular the invention relates to a surgical instrument applicable in endoscopic surgery. In order to provide a simple and cheap solution for indicating the distance between a surgical instrument and its target, a surgical instrument ( | 2009-10-29 |
20090270683 | ENDOSCOPE - Improved optical devices and methods transmit optical images along elongate optical paths with relatively limited cross-sectional dimensions using an improved objective, relay, and ocular systems. In a first aspect, at least one intermediate image formed within an optical component, rather than being formed in a gap between optical components. In a preferred embodiment, a first intermediate image is formed within glass of the most proximal objective lens, with the first intermediate image extending axially along a curved image location within the glass. The last intermediate image may similarly be disposed within a distal lens of the ocular system. By making use of a first and/or last intermediate image disposed in this manner within a lens, endoscopes can exhibit a significantly larger Numerical Aperture than known endoscopes having similar cross-sectional dimensions. In a second aspect, the ocular system allows independent adjustment of diopters, magnification, X-Y positioning, and rotation orientation of the captured image while introducing minimal aberrations. | 2009-10-29 |
20090270684 | Apparatus for Reducing Cross-Contamination - A re-use prevention mechanism ( | 2009-10-29 |
20090270685 | ABSORBING FLUIDS IN A SURGICAL ACCESS DEVICE - The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in which the surgical access device is being inserted. In one embodiment, a seal assembly is provided and can include a seal having an opening configured to receive a surgical instrument therethrough and a fluid remover in the form of an absorbent element, a scraper element, a wicking element, or any combination thereof can be associated with the seal and configured to remove fluid from the opening and/or a surgical instrument. | 2009-10-29 |
20090270686 | METHODS AND DEVICES FOR MAINTAINING VISIBILITY DURING SURGICAL PROCEDURES - Methods and devices are provided for maintaining visibility during surgical procedures. In general, the methods and devices can allow for a surgical instrument to maintain visibility during a surgical procedure using a protective element coupled to the surgical instrument. The protective element can protect a viewing element on the surgical instrument while the surgical instrument is being passed through an introducer device into or out of a body cavity (e.g., during insertion and/or withdrawal). The protective element can also optionally protect the surgical instrument's viewing element while at least a portion of the surgical instrument is disposed in a body cavity. | 2009-10-29 |
20090270687 | Methods and systems for modifying bioactive agent use - Methods, computer program products, and systems are described that include measuring at least one effect of a combined bioactive agent and artificial sensory experience on an individual and/or modifying at least one of the bioactive agent or the artificial sensory experience at least partially based on the at least one effect. | 2009-10-29 |
20090270688 | Methods and systems for presenting a combination treatment - Methods, computer program products, and systems are described that include accepting an indication of an individual's compliance with an artificial sensory experience and presenting an indication of a bioactive agent at least partly based on the indication of the individual's compliance with the artificial sensory experience. | 2009-10-29 |
20090270689 | MONITORING SYSTEM | 2009-10-29 |
20090270690 | SYSTEM AND METHOD FOR USING INTERACTIVE VOICE-RECOGNITION TO AUTOMATE A PATIENT-CENTERED BEST PRACTICE APPROACH TO DISEASE EVALUATION AND MANAGEMENT - A method and system for monitoring, evaluating, and improving effectiveness and efficiency for treating chronic medical conditions of a large patient population. The inventive method and system utilizes computerized patient interview and data analysis modules for assessing a patient's condition and indicating a need for medical attention. Patient interviews are regularly conducted by telephone using computer generated questions and voice recognition methods to enter responses into a database. A series of medical questions are developed and presented to the patient. Their answers are recorded and analyzed with respect to the database. Based upon the answers and the analysis thereof, a medical action plan is developed, care instructions provided, and an appointment with a doctor scheduled. | 2009-10-29 |
20090270691 | FLEXIBLE MEDICAL SENSOR ENCLOSURE - A sensor is provided that includes a flexible wrap enclosure which is folded about the sensor. The flexible wrap includes primary flaps and at least one reinforcement flap. The reinforcement flap may be used to enclose areas of the sensor not enclosed by the primary wrap and/or may be used to provide reinforcement of the enclosure to prevent tearing of the flexible wrap enclosure. The sensor may be placed on a patient's finger, toe, ear, and so forth to obtain pulse oximetry or other physiological measurements. | 2009-10-29 |
20090270692 | Combination treatment alteration methods and systems - Methods, computer program products, and systems are described that include detecting at least one indication of bioactive agent use by an individual and/or altering an artificial sensory experience to modify at least one effect of the bioactive agent. | 2009-10-29 |
20090270693 | Methods and systems for modifying bioactive agent use - Methods, computer program products, and systems are described that include measuring at least one effect of a combined bioactive agent and artificial sensory experience on an individual and/or modifying at least one of the bioactive agent or the artificial sensory experience at least partially based on the at least one effect. | 2009-10-29 |
20090270694 | Methods and systems for monitoring and modifying a combination treatment - Methods, computer program products, and systems are described that include monitoring at least one health attribute of an individual during an artificial sensory experience, associating a characteristic of the artificial sensory experience with the at least one health attribute of the individual, and/or modifying at least one of a bioactive agent or the artificial sensory experience at least partly based on associating a characteristic of the artificial sensory experience with the at least one health attribute of the individual. | 2009-10-29 |
20090270695 | MULTIPARAMETER WHOLE BLOOD MONITOR AND METHOD - The present invention provides an apparatus and methods for continuous intravascular measurement of whole blood concentration, blood pressure, and pulse pressure. The intravascular catheter incorporates a sensor to measure whole blood sound velocity, attenuation, backscatter amplitude, and blood flow velocity and also incorporates existing technologies for multiple physiologic measurements of whole blood. Pulse wave velocity and wave intensity are derived mathematically for purposes of estimating degree of local vascular tone. | 2009-10-29 |
20090270696 | ANALYTE METER PROTECTORS AND METHODS - Analyte meter protectors, meters that include the same, and methods. | 2009-10-29 |
20090270697 | ANALYTE METER PROTECTORS AND METHODS - Analyte meter protectors, meters that include the same, and methods. | 2009-10-29 |
20090270698 | BIOINFORMATION MEASUREMENT DEVICE - A bioinformation measurement device that enables further accurate bioinformation measurement is provided. The device includes an insertion portion | 2009-10-29 |
20090270699 | Device for Determining Physiological Variables - The device serves to optically determine physiological variables in perfused tissue. The device comprises a first and a second light source which each emit light radiation of a first or a second predetermined wavelength. The light sources are arranged in such a manner that the light radiation exiting them can penetrate into the perfused tissue. At least one photodetector is used, which is arranged so that it detects the light emitted by the light sources and passing through or backscattered by the perfused tissue. The device also comprises a control unit, which furnishes control signals to the light sources so that the light sources continuously emit light alternately, one or more dark phases can be inserted into this sequence, during which at least one light source does not emit any light. An evaluating device is connected to the output of the photodetector and furnishes, for at least one physiological variable to be measured, a displayable output signal to an interface that can be connected to the evaluating device. | 2009-10-29 |
20090270700 | NON-INVASIVE GLUCOSE SENSOR - Apparatus and method for sensing HO activity, and in particular blood glucose level based on an analyte level determination, the analyte being carboxyhemoglobin. In a preferred embodiment, HO activity and/or blood glucose level are extrapolated from Hb-CO level by determining an intermediate CO level. The apparatus and method are preferably non invasive. | 2009-10-29 |
20090270701 | DEVICE FOR MEASURING CONCENTRATION OF CONSTITUENT IN BLOOD ANDMEASURING METHOD - A device for measuring concentration of a constituent in blood includes: an irradiation unit for irradiating light toward a living body, the light having a wavelength disposed in a light absorption band of the constituent in the blood; a light receiving unit for receiving light, which is reflected in the living body or transmitted through the living body; and a concentration measurement unit for measuring the concentration of the constituent in the blood based on variation of light intensity of light received by the light receiving unit, the variation attributed to a pulse wave of the living body. | 2009-10-29 |
20090270702 | METHOD AND APPARATUS FOR MEASURING CANCEROUS CHANGES FROM REFLECTANCE SPECTRAL MEASUREMENTS OBTAINED DURING ENDOSCOPIC IMAGING - The present invention provides a new method and device for disease detection, more particularly cancer detection, from the analysis of diffuse reflectance spectra measured in vivo during endoscopic imaging. The measured diffuse reflectance spectra are analyzed using a specially developed light-transport model and numerical method to derive quantitative parameters related to tissue physiology and morphology. The method also corrects the effects of the specular reflection and the varying distance between endoscope tip and tissue surface on the clinical reflectance measurements. The model allows us to obtain the absorption coefficient (μa) and further to derive the tissue micro-vascular blood volume fraction and the tissue blood oxygen saturation parameters. It also allows us to obtain the scattering coefficients (μs and g) and further to derive the tissue micro-particles volume fraction and size distribution parameters. | 2009-10-29 |
20090270703 | MANUAL AND AUTOMATIC PROBE CALIBRATION - Embodiments of the present disclosure include an optical probe capable of communicating identification information to a patient monitor in addition to signals indicative of intensities of light after attenuation by body tissue. The identification information may indicate operating wavelengths of light sources, indicate a type of probe, such as, for example, that the probe is an adult probe, a pediatric probe, a neonatal probe, a disposable probe, a reusable probe, or the like. The information could also be utilized for security purposes, such as, for example, to ensure that the probe is configured properly for the oximeter, to indicate that the probe is from an authorized supplier, or the like. In one preferred embodiment, coding resistors could be provided across the light sources to allow additional information about the probe to be coded without added leads. However, any device could be used without it being used in parallel. | 2009-10-29 |
20090270704 | PATCHES, SYSTEMS, AND METHODS FOR NON-INVASIVE GLUCOSE MEASUREMENT - Described here are patches, systems, and methods for measuring glucose. In general, the patches comprise a microfluidic collection layer and a detector, and the systems comprise a patch and a measurement device. Some methods for measuring glucose comprise cleaning the skin surface, collecting sweat from the skin surface using a microfluidic collection device, and measuring the collected glucose. Other methods comprise cleaning the skin surface, collecting sweat in a patch comprising a microfludic collection layer, and measuring glucose collected in the patch. Still other methods comprise cleaning the skin surface, collecting a first sweat sample from the skin surface in a patch comprising a microfludic collection layer and a detector layer, transferring the first sweat sample from the collection layer to the detector layer, measuring glucose in the first sweat sample, and repeating the collection, transferring, and measuring steps at least once. | 2009-10-29 |
20090270705 | Automobile Physiological Monitoring System and Method for Using the Same - An automobile monitoring system to monitor user body characteristics includes at least one sensor to monitor at least one user body characteristic. The at least one sensor is operatively coupled to a body of a user to monitor the at least one user body characteristic while the user is operating an automobile. The at least one user body characteristic is at least a glucose level of the user's body. At least one transmitter is operatively coupled to the at least one sensor to communicate sensor data obtained from the at least one sensor while the user is operating the automobile. Automobile electronics are operatively coupled to the at least one transmitter to receive sensor data from the at least one sensor while the user is operating the automobile. The automobile electronics provide the sensor data to the user while the user is operating the automobile. A global positioning system (GPS) is operatively coupled to the automobile electronics to determine a current location of the user. The automobile electronics provide a nearest destination from the current location of the user for the user to travel to based on the sensor data received from the at least one sensor. | 2009-10-29 |
20090270706 | ANALYTE MONITORING - Methods for covering an opening in an analyte meter are provided. Also provided are methods of determining analyte concentration. | 2009-10-29 |
20090270707 | Sensor Assemblies for Implantable Medical Electrical Leads - A sensor assembly, which may be incorporated by a medical electrical lead, includes an insulative body, formed from a biocompatible plastic, and a sensor mounted on a mounting surface of the insulative body. The mounting surface extends distally from a proximal portion of the insulative body in which first and second conductive inserts extend, being spaced apart and isolated from one another. The sensor is coupled to each of the first and second conductive inserts, and the first conductive insert includes a conductor-coupling end extending proximally from the proximal portion of the insulative body. The sensor assembly may further include an electrode extending around the sensor and the insulative body, wherein the electrode includes an aperture approximately aligned with an active surface of the sensor to expose the active surface. A mounting platform assembly for the sensor assembly may include the conductive inserts and the insulative body. | 2009-10-29 |
20090270708 | SPORTS CLOTHES - A sports clothes including an inner layer structure and an outer layer structure is suitable to be worn on a human body. The inner layer structure includes a main part, an elastic structure, at least two fabric electrodes, and at least one fastener. The elastic structure is connected with the main part. The two fabric electrodes suitable for contacting with the skin of the human body are directly knitted on the elastic structure. The fastener is nailed on the elastic structure and electrically connected with the two fabric electrodes. The parts of the outer layer structure and that of the inner layer structure corresponding to at least one of the shoulder, partial neck portion, and armpit are connected. The outer layer structure covers the inner layer structure completely. | 2009-10-29 |
20090270709 | Novel Electrodes - The present disclosure provides electrodes that possess components capable of indicating to an end-user when the electrode is in need of replacement. In embodiments, the electrodes include a hydrogel in combination with a pH indicator which changes its color or opacity upon repeated use of the electrode, thereby indicating an appropriate time for changing or replacing the electrode. | 2009-10-29 |
20090270710 | Novel Electrodes - The present disclosure provides electrodes that possess components capable of indicating to an end-user when the electrode is in need of replacement. | 2009-10-29 |
20090270711 | PRESSURE SENSORS AND MEASUREMENT METHODS - A sensor for measuring pressure within anatomical structures has an impulse mechanism for delivering a mechanical impulse to the anatomical structure and a sensing mechanism for monitoring a mechanical response of the anatomical structure to the impulse. The sensor has application in measuring Intra-Ocular Pressure (IOP). The sensor may also be applied for measuring/pressures within other anatomical structures such as the heart or blood vessels. In one embodiment the impulse mechanism comprises a voice coil and the sensing mechanism comprises a piezoelectric film that generates a signal when it is distorted by motion of the anatomical structure. | 2009-10-29 |
20090270712 | MARGIN DETERMINATION/TUMOR CELL MIGRATION - A method for identifying target regions in a tissue for local drug delivery, wherein functional and/or structural anatomical data such as edema and/or resection cavity is captured by an imaging system, and wherein the anatomical data is evaluated by segmentation techniques such as region-growing-based methods with computer assistance to determine a margin around a resection cavity and/or the volume of edema, the margin and/or the volume of edema being the target tissue for local drug delivery. | 2009-10-29 |
20090270713 | NON-LINEAR SIGNAL SEPARATION METHOD USING NON-LINEAR STATE SPACE PROJECTION METHOD - There is provided a non-linear signal separation method using the non-linear state space projection method capable of separating an effective non-linear signal even if the S/N ratio is low by performing the time domain high speed non-linear state space projection when a signal is a multi-channel signal and has a periodicity. In the non-linear signal separation method using the non-linear state space projection method, an original signal having a complex signal which is a multi-channel and cyclic signal measured from one phenomenon is processed by using the time domain high-speed non-linear state space projection method so as to estimate a noise in the original signal and subtract the estimated noise from the original signal, thereby separating the signal to be measured in the original signal as a non-linear signal even when the S/N ratio is low. | 2009-10-29 |
20090270714 | Device to Treat Chronic Total Occlusions Using Energy Imparted By External Imaging - A visualization and treatment system for treating a chronic total occlusion. The system includes an elongated member configured to be tracked to the chronic total occlusion. The elongated member has a transducer located at a distal end of the elongated member. The transducer is constructed and arranged to convert a first form of energy into a second form of energy to treat the chronic total occlusion. The system also includes an external imaging system constructed and arranged to create an image of the chronic total occlusion and to provide the first form of energy to the transducer. | 2009-10-29 |
20090270715 | Correction method and magnetic resonance device - The invention relates to a correction method for correcting interference due to gradient injections in ECG signal data records recorded in a magnetic resonance device by an ECG measuring device. A first correction data record is determined with the ECG measuring device located in a first position. A second correction data record is determined by the ECG measuring device located in a second position. An ECG signal data record is measured by the ECG measuring device located in a defined position. A modified correction data record is defined as a function of the first correction data record and the second correction data record and the first and second position and the defined position of the ECG measuring device. The ECG signal data record is corrected based on the modified correction data record. | 2009-10-29 |
20090270716 | Correction method and magnetic resonance device - The invention relates to a correction method for correction of noise resulting from gradient artifacts in ECG signal data records recorded in a magnetic resonance device by an ECG measuring apparatus. A first correction data record is determined with a reference point of the ECG measuring apparatus located at a first position in the magnetic resonance device. An ECG signal data record is measured with the reference point of the ECG measuring apparatus located at a second position in the magnetic resonance device. A modified correction data record is specified as a function of the first correction data record and the first and second position of the reference point. The ECG signal data record is corrected based on the modified correction data record. | 2009-10-29 |
20090270717 | APPARATUS AND METHOD FOR DIAGNOSIS OF OPTICALLY IDENTIFIABLE OPHTHALMIC CONDITIONS - An apparatus that can discriminate various conditions of neurological health of a medical subject. The apparatus and method use the Frequency Doubling Technique to obtain data that is indicative of a state of health of a person being tested. Correlations to features such as for patterns of loss such as point-wise loss, peripheral vs. central loss, pattern standard deviation, mean deviation, and time to complete the test can be used to identify the condition of the person. The apparatus and method thereby provide guidance as to the presence of a medical condition in a patient. The apparatus and method can be used in an iterative measurement process, in which the apparatus attempts to discern normal health from a state of health that is not normal health. | 2009-10-29 |
20090270718 | DUAL-MODALITY IMAGING - The invention relates to a dual-modality imaging system and a method for dual-modality imaging of an imaged object, wherein a magnetic resonance imaging (MRI) apparatus for acquiring MRI data and at least one optical imaging detector for acquiring optical imaging data are arranged to acquire the MRI data and the optical imaging data of the imaged object ( | 2009-10-29 |
20090270719 | MRI APPARATUS - An MRI apparatus which images a subject in such that body fluid that flows is emphasized over background tissues, includes a first coil control device that causes a transmission coil and a gradient coil to execute a first pulse sequence for causing longitudinal magnetization components of the background tissues to differ from a longitudinal magnetization component of the body fluid, a second coil control device that causes the transmission coil and the gradient coil to execute a second pulse sequence that inverts the longitudinal magnetization components of the body fluid and the background tissues a plurality of times after the execution of the first pulse sequence, and a third coil control device that causes the transmission coil and the gradient coil to execute a third pulse sequence for acquiring each MR signal of the body fluid after the execution of the second pulse sequence. | 2009-10-29 |
20090270720 | MAGNETIC RESONANCE IMAGING APPARATUS AND RF PULSE APPLYING METHOD - A magnetic resonance imaging apparatus includes a scan section for executing a navigator sequence which transmits an RF pulse to a subject to obtain each magnetic resonance signal as navigator data. Upon execution of the navigator sequence, the scan section excites both a navigator area having two regions from which intensities of different navigator data signals are obtained, said two regions containing a body-moved region of the subject, and a region different from the two regions simultaneously, and transmits the RF pulse in such a manner that the phase of navigator data obtained from the different region differs from the phase of at least one region of navigator data obtained from the two regions. | 2009-10-29 |
20090270721 | INTRA-VENTRICULAR SUBSTANCE DELIVERY CATHETHER SYSTEM - A guide catheter and a needle catheter are disclosed. The guide catheter construction provides for maximum articulation of the deflectable tip and maximum torque response during rotation. The needle catheter may include a release mechanism that imparts a sudden force to the needle in order to facilitate tissue penetration. | 2009-10-29 |
20090270722 | DEVICE FOR ASSISTING THE POSITIONING OF MEDICAL DEVICES - In one embodiment, a needle guide is attached to the end of an ultrasonic probe in a manner such that the needle will follow a known trajectory under control of the needle guide. The surgeon then positions the needle guide by looking at the ultrasound image formed from the ultrasound radiated from the probe. In one embodiment, the needle guide has a release mechanism that allows the needle (or other medical device) that had been positioned in the guide to remain in the patient when the probe is removed. In one embodiment, the needle guide is designed to be releasably mounted to a bracket which, in turn, is releasably mounted to the end of the probe. | 2009-10-29 |
20090270723 | MEDICAL IMAGING MARKER - An inventive medical imaging marker includes two plate members ( | 2009-10-29 |
20090270724 | SCANNED BEAM DEVICE AND METHOD USING SAME WHICH MEASURES THE REFLECTANCE OF PATIENT TISSUE - Methods for ascertaining, and responding to, a tissue characteristic of a surface region of patient tissue are disclosed. A scanned beam device is used to transmit a beam of sensing radiation to impinge on the surface region and to measure the reflectance of the surface region from the collected radiation returned from the surface region. The tissue characteristic of the surface region is determined from the measured reflectance, wherein the tissue characteristic is different from but related to the measured reflectance. In a first method, an indication of the determined tissue characteristic is provided, wherein the indication is other than a displayed image of the surface region. In a second method, wherein the patient tissue is undergoing medical treatment, the medical treatment is automatically modified as a function of the determined tissue characteristic. A scanned beam device having a scanning beam unit, a collector, and a controller is also disclosed. | 2009-10-29 |
20090270725 | Devices Useful In Imaging - Biopsy devices and methods useful with Positron Emission Tomography (PET) and Breast Specific Gamma Imaging (BSGI) are disclosed. A biopsy device including a flexible tube having a side aperture, and a PET or BSGI imageable material disposed within the flexible tube is disclosed. A biopsy method is disclosed that includes advancing a flexible tube having a PET or BSGI imageable material distally through the biopsy device. Various other embodiments and applications are disclosed. | 2009-10-29 |
20090270726 | Methods For Imaging - Biopsy devices and methods useful with Positron Emission Tomography (PET) and Breast Specific Gamma Imaging (BSGI) are disclosed. A biopsy device including a flexible tube having a side aperture, and a PET or BSGI imageable material disposed within the flexible tube is disclosed. A biopsy method is disclosed that includes advancing a flexible tube having a PET or BSGI imageable material distally through the biopsy device. Various other embodiments and applications are disclosed. | 2009-10-29 |
20090270727 | DOCKING STATION AND ULTRASONIC DIAGNOSTIC SYSTEM - An ultrasonic diagnostic system has a tablet type electronic device for ultrasonic diagnosis and a docking station for mounting thereto the electronic device removably. The docking station includes a receptacle section against which one side of the electronic device comes into abutment when mounting the electronic device, and a hold-down section for holding down the electronic device releasably on the side opposite to the one side when mounting the electronic device. | 2009-10-29 |
20090270728 | SYSTEM FOR MEASURING AND TRACKING HUMAN BODY FAT - A system for evaluating health, wellness and fitness, and in particular, to a system that uses an ultrasound transducer to accurately measure fat thickness at a plurality of sites on the human body, records these measurements for long term monitoring, and based on the plurality of measurements calculates the total body composition. The system includes a central control unit to analyze the measurement and display the results in a variety of formats. | 2009-10-29 |
20090270729 | Implantable Device and Method for Monitoring Venous Diameter - An implantable medical device system and associated method receive a signal from an implantable sensor operatively positioned relative to a vein, the signal being responsive to changes in a diameter of the vein. A diameter of the vein is determined in response to the sensor signal and used in estimating central venous pressure (CVP). | 2009-10-29 |
20090270730 | ULTRASOUND DIAGNOSIS APPARATUS - An ultrasound diagnosis apparatus includes an ultrasound probe | 2009-10-29 |
20090270731 | METHODS, SYSTEMS, AND DEVICES FOR TISSUE CHARACTERIZATION BY SPECTRAL SIMILARITY OF INTRAVASCULAR ULTRASOUND SIGNALS - A method of characterizing a tissue type of a tissue region includes providing a tissue classifier comprising multiple detector arrays for each of multiple tissue types. Each detector array comprises multiple detectors and each detector comprises multiple tissue type-assigned intravascular ultrasound (IVUS) spectra. A plurality of the tissue type-assigned IVUS spectra of each detector correspond to a tissue type of the detector and a plurality of the tissue type-assigned IVUS spectra correspond to other tissue types. For each of the detector arrays, an input IVUS spectrum of the tissue region is compared to the tissue type-assigned IVUS spectra of each of the detectors in the detector array. For each of the detectors, it is determined whether the input spectrum corresponds to the tissue type of the detector based on the comparisons of the input spectrum to the tissue type-assigned spectra for that detector. For each of the detector arrays, results of the detectors of the detector array are combined to produce an array result. The array results for the detector arrays are combined to provide a tissue characterization of the tissue region from the multiple tissue types. | 2009-10-29 |
20090270732 | ULTRASOUND IMAGING APPARATUS AND METHOD FOR PROCESSING ULTRASOUND IMAGE - In time phases except a first time phase, a contour tracking part tracks the position of a region of interest based on image data acquired in each of the time phases. A re-tracking part receives correction of the position of the region of interest in a second time phase, and obtains the position of the corrected region of interest in and after the second time phase based on the image data acquired in and after the second time phase. From position information of the region of interest in and before the second time phase and position information of the corrected region of interest in and after the second time phase, a position calculator obtains position information of the region of interest in all the time phases. A computing part obtains motion information of a tissue within the region of interest based on the position information of the region of interest. | 2009-10-29 |
20090270733 | ULTRASONIC IMAGING APPARATUS AND METHOD - An ultrasonic imaging method using an ultrasonic probe for applying a first ultrasonic beam to a first region of three-dimensional region of a subject with a contrast agent administered thereto and acquiring three-dimensional tomographic image information for the first region, including the steps of: setting a second region for applying a second ultrasonic beam whose sound pressure is higher than that of the first ultrasonic beam for not destroying the contrast agent, in the three-dimensional region; and applying the second ultrasonic beam to exceed sound pressure for destroying the contrast agent only in the second region and performing the irradiation of the second ultrasonic beam by the ultrasonic probe in the course of acquisition of the three-dimensional tomographic image information in the first region by the first ultrasonic beam. | 2009-10-29 |
20090270734 | Apparatus And Method Of Non-Invasive Cerebrovascular Autoregulation Monitoring - A non-invasive method for monitoring of cerebrovascular blood flow autoregulation state includes sensing intracranial blood volume waves, filtering a slow wave, respiratory wave, and pulse wave informative components from said intracranial blood volume waves, filtering slow wave and respiratory wave reference components from the pulse wave envelope, calculating a first phase shift between said slow wave informative component and said slow wave reference component, calculating a second phase shift between said respiratory wave informative component and said respiratory wave reference component, and calculating the index of evaluation of the status of cerebral autoregulation state (ICAS) from said first phase shift and said second phase shift. | 2009-10-29 |
20090270735 | ELECTRONIC ARRAY PROBE FOR ULTRASONIC IMAGING - An electronic array probe for ultrasonic imaging includes an array of transmitting and/or receiving electroacoustic transducers arranged in concentric bands in which the transducers are tangent to one other in both radial and circumferential directions. In order to minimize the number of transducers required without compromising dynamic range, a transducer arrangement geometry is provided so that the number of transducers having the same focusing delay is minimal or null. | 2009-10-29 |
20090270736 | CAPSULE-TYPE MEDICAL APPARATUS - A capsule-type medical apparatus includes a capsule to be introduced into a tubular body cavity, and a string member that extends from one end of the capsule and is able to be pulled when the capsule is pulled. The capsule is provided with a shunting section for shunting blocking substances that impede the movement of the capsule when the string member is pulled to pull the capsule | 2009-10-29 |
20090270737 | IMAGING CATHETER - Described herein are imaging catheter system. In an exemplary embodiment, a catheter comprises a handle assembly having distal and proximal ends, a catheter sheath connected to the distal end of the handle assembly, and an elongated flexible tube connected to the proximal end of the handle assembly. The catheter further comprises an imaging core slidably received within the catheter sheath, the handle assembly and the elongated tube. The imaging core also includes a slide member, e.g., knob, extending from the imaging core and passing through an elongated slot in the handle assembly, allowing a physician to manually pullback and advance the imaging core within the catheter by sliding the slide member back and forth. Preferably, the elongated tube is long enough so that the motor drive coupled to the proximal end of the catheter is kept outside the sterile field during the imaging procedure. | 2009-10-29 |
20090270738 | Methods for single-pass volumetric bidirectional blood flow imaging Spectral Domain Optical Coherence Tomography using a modified hilbert transform - The present subject matter relates to in vivo volumetric bidirectional blood flow imaging using single-pass flow imaging spectral domain optical coherence tomography. This technique uses a modified Hilbert transform algorithm to separate moving and non-moving scatterers within a depth. The resulting reconstructed image maps the components of moving scatterers flowing into and out of the imaging axis onto opposite image halfplanes, enabling volumetric bidirectional flow mapping without manual segmentation. | 2009-10-29 |
20090270739 | REAL-TIME DETECTION OF VASCULAR CONDITIONS OF A SUBJECT USING ARTERIAL PRESSURE WAVEFORM ANALYSIS - Methods for the detection of vascular conditions such as vasodilation in a subject are described. The methods involve receiving a signal corresponding to an arterial blood pressure and calculating one or more cardiovascular parameters from the arterial blood pressure. The cardiovascular parameters are calculated using factors impacted by vascular conditions such as vasodilation. Factors impacted by these vascular conditions include the area under the systolic portion of the arterial blood pressure signal, the duration of systole, and the ratio of the duration of the systole to the duration of the diastole. By monitoring cardiovascular parameters that are calculated using factors impacted by vascular conditions such as vasodilation for changes indicating the vascular conditions, such vascular conditions can be detected. | 2009-10-29 |
20090270740 | ENHANCED PRESSURE SENSING SYSTEM AND METHOD - An enhanced pressure sensing system and method use an external diaphragm to address issues involved with accurate and prolonged measurement of fluid pressure, such as of blood flowing in a vascular structure. Some external diaphragms include a metallized layer or other highly impermeable layer to furnish a high degree of seal at least near to hermetic grade. As temperature of the intermediary fluid changes, the external diaphragm is able to move in a direction that minimizes differential pressure across the external diaphragm over an operational temperature range thereby reducing pressure change of the intermediary fluid due to change in temperature of the intermediary fluid. Relatively smooth hydrodynamic surfaces can be used as well as a bi-layer construction. | 2009-10-29 |