Patent application number | Description | Published |
20150036137 | ALIGNMENT OF OPTICAL COMPONENTS - Alignment of a near field transducer (NFT) optical input coupler and a light emitting device involves providing excitation radiation from an excitation light source through an optical input coupler to the NFT and filtering output radiation from the NFT using a short wavelength pass optical filter. The optical input coupler is scanned through multiple positions while the photoluminescent radiation is detected. A first alignment position between the NFT input coupler and the excitation light source is identified based on the detected photoluminescent radiation. A light emitting device is scanned through multiple positions the light output is detected by a detector. A second alignment position between the light emitting device and the detector is identified. The first and second alignment positions are used to align the light emitting device with the optical input coupler. | 02-05-2015 |
20150063087 | PEG HEIGHT OF NEAR-FIELD TRANSDUCERS - A method is provided for characterizing the peg region of a near-field transducer incorporated into a write head of a HAMR magnetic recorder. The method includes providing excitation radiation to one or more near-field transducers. The near-field transducers include an enlarged disk region and a peg region at least partially in contact with the enlarged disk region. The method further includes filtering output radiation from the near-field transducers by passing a portion of photoluminescent radiation emitted by the near-field transducers in response to the excitation radiation and substantially blocking the excitation radiation transmitted by the near-field transducers. The method also includes detecting the portion of photoluminescent radiation and characterizing the peg region of at least one of the plurality of near-field transducers. | 03-05-2015 |
20150070799 | Depolarizing Layer in a Magnetic Stack - A data reader may be configured at least with a magnetic stack positioned on an air bearing surface (ABS) and contacting a spin depolarizing layer that is a minority spin current carrier. The spin depolarizing layer can have a thickness and spin diffusion length corresponding to a net zero spin polarization at an interface of the magnetic stack and spin depolarizing layer. | 03-12-2015 |
20150070800 | Injector Stack with Diffusive Layer - A data reader may be configured at least with detector and injector stacks that each has a common spin accumulation layer. The detector stack may positioned on an air bearing surface (ABS) while the injector stack is positioned distal the ABS. The injector stack can have a diffusive layer with a larger spin diffusion length than mean free path. | 03-12-2015 |
20150187378 | PEG HEIGHT OF NEAR-FIELD TRANSDUCERS - A method is provided for characterizing the peg region of a near-field transducer incorporated into a write head of a HAMR magnetic recorder. The method includes providing excitation radiation to one or more near-field transducers. The near-field transducers include an enlarged disk region and a peg region at least partially in contact with the enlarged disk region. The method further includes filtering output radiation from the near-field transducers by passing a portion of photoluminescent radiation emitted by the near-field transducers in response to the excitation radiation and substantially blocking the excitation radiation transmitted by the near-field transducers. The method also includes detecting the portion of photoluminescent radiation and characterizing the peg region of at least one of the plurality of near-field transducers. | 07-02-2015 |
Patent application number | Description | Published |
20100274146 | DYNAMIC SELECTION OF ALGORITHMS FOR ARRHYTHMIA DETECTION - An apparatus comprises a first implantable sensor produces a first electrical sensor signal representative of cardiac depolarization events of a heart of a subject, a second implantable sensor that produces a second electrical sensor signal representative of hemodynamic function of the heart, a signal analyzer circuit, and an arrhythmia discrimination circuit. The signal analyzer circuit detects an arrhythmic event from the first sensor signal and calculates hemodynamic stability in response to the arrhythmic event detection using the second sensor signal. The arrhythmia discrimination circuit selects, according to a calculated hemodynamic stability produced by the signal analyzer circuit, an arrhythmia discrimination algorithm from among a plurality of candidate arrhythmia discrimination algorithms that are implementable by the arrhythmia discrimination circuit, classifies the detected arrhythmia using the selected arrhythmia discrimination algorithm, and provides the arrhythmia classification to a user or process. | 10-28-2010 |
20100280841 | Adjudication of Arrhythmia Episode Data Systems and Methods - A system and method for automatically adjudicating arrhythmia episode information is described, and includes an episode database having episode data regarding a plurality of different arrhythmia episodes and an adjudication processor configured to output characterization data characterizing the input episode data. The characterization data includes an arrhythmia classification. The system further includes an episode processor configured to process the characterization data and episode data, provide at least one report on the characterization data related to a plurality of the different arrhythmia episodes, and provide at least one programming recommendation or at least one alert. | 11-04-2010 |
20110087301 | IMPLANTABLE DEVICE WITH HEMODYNAMIC SUPPORT OR RESUSCITATION THERAPY - An apparatus comprises an implantable sensor, a stimulation circuit, and a controller. The implantable sensor is configured to provide a sensor signal representative of hemodynamic function of a subject. The stimulation circuit is configured to provide electrical simulation energy to an implantable electrode. The controller is communicatively coupled to the stimulation circuit and the implantable sensor and includes a hemodynamic monitor module. The hemodynamic monitor module is configured to detect an episode of reduced hemodynamic capacity in a subject using the sensor signal. In response to the detected episode, the controller is configured to initiate delivery of the electrical stimulation energy to artificially induce at least one of deep ventilation or rapid ventilation in the subject. The hemodynamic monitor module is configured to obtain a measure of hemodynamic performance after delivery of the electrical stimulation energy. | 04-14-2011 |
20110093026 | METHOD AND APPARATUS FOR CARDIORENAL ELECTRICAL STIMULATION - An implantable cardiorenal stimulator delivers cardiorenal stimulation in response to detection of decompensation associated with heart failure. The cardiorenal stimulation includes delivering renal stimulation pulses to promote diuresis and/or natriuresis and delivering cardiac stimulation pulses to enhance the diuretic and/or natriuretic effects of the renal stimulation pulses. | 04-21-2011 |
20110178565 | AUTOMATIC MECHANICAL ALTERNANS DETECTION - This document discusses, among other things, a cardiac mechanical alternans (MA) detector circuit. In an example, the mechanical alternans detector circuit is configured to determine a mechanical alternans (MA) condition. In an example, the MA detector circuit can include a physiologic impedance input configured to receive physiologic information indicative of mechanical alternans. In an example, the MA detector circuit can include an intravascular pressure input configured to receive physiologic information indicative of mechanical alternans. | 07-21-2011 |
20110196439 | DETECTING HEMODYNAMIC STABILITY DURING ARRHYTHMIA USING THE CHANGES IN ATRIAL ACTIVATION - Detected changes in atrial activation can be used to discriminate between hemodynamically stable and hemodynamically unstable tachyarrhythmias. | 08-11-2011 |
20110201945 | HEMODYNAMIC STABILITY DETECTION DURING ARRHYTHMIA USING RESPIRATION SENSOR - Detected changes in respiration parameters, either alone or in conjunction with other physiological signals, can be used to discriminate between hemodynamically stable and hemodynamically unstable tachyarrhythmias. | 08-18-2011 |
20130046196 | SYSTEMS AND METHODS FOR SETTING PARAMETERS OF IMPLANTABLE MEDICAL DEVICES USING PREDICTIVE MARKER DATA - Embodiments of the invention are related to systems and methods for setting parameters of implantable medical devices, amongst other things. In an embodiment, the invention includes a method for programming an implantable medical device including sensing concentrations of a predictive marker such as ET-1 in a patient, selecting programming parameter values based on the sensed concentrations of the predictive marker, and implementing the selected programming parameter values. In an embodiment the invention includes a method for detecting arrhythmia in a patient including sensing concentrations of the predictive marker in a patient, selecting a level of stringency to be used in an arrhythmia detection module based on the sensed concentrations of the predictive marker, sensing electrical signals in the patient, and evaluating the sensed electrical signals for indicia of an arrhythmia using the arrhythmia detection module. Other embodiments are also included herein. | 02-21-2013 |
Patent application number | Description | Published |
20130035605 | DETECTING HEMODYNAMIC STABILITY DURING ARRHYTHMIA USING THE CHANGES IN ATRIAL ACTIVATION - Detected changes in atrial activation can be used to discriminate between hemodynamically stable and hemodynamically unstable tachyarrhythmias. | 02-07-2013 |
20130053914 | METHOD AND APPARATUS FOR ADAPTIVE CONTROL OF NEUROSTIMULATION USING CARDIAC RESTITUTION - A neurostimulation system measures a cardiac parameter at various cardiac intervals and analyzes its restitution, including computing a restitution slope being a rate of change of the restitution parameter with respect to change in the cardiac interval. In various embodiments, the system uses the restitution slope to provide for adaptive control of neurostimulation. In various embodiments, one or more cardiac parameters such as action potential duration (APD), conduction velocity (CV), QT interval (QT), and/or T-wave morphology (TM) parameter are measured and analyzed for restitution of each parameter, which is then used to control the delivery of the neurostimulation. | 02-28-2013 |
20130150911 | METHODS AND SYSTEMS FOR IDENTIFYING AND USING HEART RATE VARIABILITY AND HEART RATE VARIATION - A heart rate variability or heart rate variation can be identified using sensed and/or paced heart beats. One or more patient metrics, such as a variability index or a variation index, can correspond to the identified heart rate variability or heart rate variation. The patient metrics can be used to identify a need for a particular therapy, such as a rate-responsive pacing therapy. The patient metrics can be used to identify patients at an elevated risk of death. Methods and systems to identify therapy indications or at-risk patients are provided. In an example, a patient risk profile can be adjusted, such as in response to an identified patient heart rate variability or heart rate variation. In an example, a rate-responsive pacing mode can be used to adjust the patient risk profile. | 06-13-2013 |
20130150912 | METHODS AND SYSTEMS FOR IDENTIFYING AND USING HEART RATE VARIABILITY AND HEART RATE VARIATION - A heart rate variability or heart rate variation can be identified using sensed and/or paced heart beats. One or more patient metrics, such as a variability index or a variation index, can correspond to the identified heart rate variability or heart rate variation. The patient metrics can be used to identify a need for a particular therapy, such as a rate-responsive pacing therapy. The patient metrics can be used to identify patients at an elevated risk of death. Methods and systems to identify therapy indications or at-risk patients are provided. In an example, a patient risk profile can be adjusted, such as in response to an identified patient heart rate variability or heart rate variation. In an example, a rate-responsive pacing mode can be used to adjust the patient risk profile. | 06-13-2013 |
20140163629 | IMPLANTED LEAD ANALYSIS SYSTEM AND METHOD - The technology disclosed herein relates to a method for lead analysis for an implanted medical device. A summary data record is retrieved associated with one or more episodes from an implanted medical device through a communication module. Episode selection criteria are applied to the summary data record by a processing module. One or more episode data records are retrieved from the implanted medical device for one or more episodes for which the episode selection criteria was satisfied. Noise detection criteria are applied to the episode data record. A notification module is configured to generate an alert if the noise detection criteria are satisfied | 06-12-2014 |
20150100103 | CARDIAC PACING WITH ANODAL STIMULATION DETECTION - Methods and device for determining a pacing vector for delivering an electrostimulation therapy are described. An implantable medical device may be configured to determine an anode capture threshold and a cathode capture threshold for a first anode and cathode pair of electrodes, switch a polarity of the first anode and cathode pair of electrodes, and determine an anode capture threshold and a cathode capture threshold for the first anode and cathode pair of electrodes having the switched polarity. The implantable medical device may be further configured to compare a cathodal capture threshold for the anode and cathode pair having the switched polarity to the anodal capture threshold of the first anode and cathode pair of electrodes and select either an anode or a cathode for delivering an electrostimulation therapy based at least in part on the comparison. Other methods and systems are also contemplated and described. | 04-09-2015 |
20150202441 | DEPLETION BLOCK TO BLOCK NERVE COMMUNICATION - An example of a system may include a depletion block neural stimulator and a depletion block controller. The depletion block neural stimulator may be configured to deliver a depletion block stimulation to a nerve. The depletion block stimulation may include a series of pulses at a pulse frequency within a range between about 100 Hz to about 1000 Hz. The depletion block controller may be configured to communicate with the depletion block neural stimulator and control the depletion block stimulation. The depletion block controller may be configured to receive a start depletion block signal and respond to the received start depletion block signal by initiating the delivery of the depletion block stimulation to the nerve, and the depletion block controller may be configured to receive a stop depletion block signal and respond to the received stop depletion block signal by terminating the delivery of the depletion block stimulation to the nerve. | 07-23-2015 |
Patent application number | Description | Published |
20080205298 | POINT TO MULTIPOINT CROSSLINK - A communication network comprises a first central digital subscriber line (DSL) unit having at least one application port and a plurality of DSL ports; a first remote DSL unit having at least one application port and at least one DSL port, wherein the first remote DSL unit is communicatively coupled to the central DSL unit via a first single independent DSL pair having a first EOC channel; and a second remote DSL unit having at least one application port and at least one DSL port, wherein the second remote DSL unit is communicatively coupled to the central DSL unit via a second single independent DSL pair having a second EOC channel; wherein the at least one application port in the central DSL unit is communicatively coupled to an application port in at least one of the first remote DSL unit and the second remote DSL unit. | 08-28-2008 |
20080205436 | MEDIA CONVERTER - A method of using a digital subscriber link unit as a media converter, the method comprising coupling a first signal of a first type to a first port of the digital subscriber link unit, converting the first signal of the first type to a second signal of the second type with the digital subscriber link unit and outputting the second signal of the second type from a second port of the digital subscriber link unit. The first port and the second port are not G.SHDSL ports. | 08-28-2008 |
20080205449 | CROSS-LINK - A communication network comprises a first digital subscriber line (DSL) unit having a plurality of application ports and at least one DSL port; and a second DSL unit having a plurality of application ports and at least one DSL port; wherein the first DSL unit is communicatively coupled to the second DSL unit via a DSL pair coupled to the at least one DSL port in each of the first and second DSL units; and wherein each of the first and second DSL units are configured to receive a signal of a first interface format over one of the plurality of application ports, extract timeslots from the received first interface format signal, transmit the timeslots over the at least one DSL port, and use timeslots received over the at least one DSL port to generate at least one second signal of a dissimilar interface format. | 08-28-2008 |
20130343528 | SYSTEM AND METHOD FOR CIRCUIT EMULATION - A digital subscriber line (DSL) unit comprises a first user port configured to communicate signals according to an Ethernet protocol and a second user port configured to communicate signals according to a second non-Ethernet protocol The DSL unit also comprises at least one DSL port configured to communicate signals according to a DSL protocol; and a processing device configured to analyze Ethernet signals received over the first user port to determine when to output data from the respective received Ethernet signals over the second user port and when to output data from the respective received Ethernet signals over the at least one DSL port. The processing device is further configured to extract data from signals received over the second user port and insert the extracted data into a corresponding Ethernet signal having a respective emulated circuit identification and to output the corresponding Ethernet signal over the first user port. | 12-26-2013 |
Patent application number | Description | Published |
20090029109 | AEROGEL COMPOSITES - Aerogel composites and bonded aerogel composites are described. The aerogel composites include monolithic aerogel material located in cavities between a base layer and a structured layer that is bonded to the base layer. Additional layers may be bonded to the base layer and/or the structured layer to form bonded aerogel composites. | 01-29-2009 |
20090269644 | PROTON CONDUCTING MATERIALS - Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers. | 10-29-2009 |
20110039947 | SURFACE-MODIFIED NANOPARTICLES - A composition comprises surface-modified nanoparticles of at least one metal phosphate. The nanoparticles bear, on at least a portion of their surfaces, a surface modification comprising at least one organosilane surface modifier comprising at least one organic moiety comprising at least about six carbon atoms. | 02-17-2011 |
20110046404 | PROCESS FOR PRODUCING NANOPARTICLES - A process comprises (a) combining (1) at least one metal cation source, (2) at least one phosphate anion source, (3) at least one organic base comprising at least one organic moiety comprising at least about five carbon atoms, and (4) at least one organosilane comprising at least one organic moiety comprising at least about six carbon atoms; and (b) allowing the metal cation source and the phosphate anion source to react in the presence of the organic base and the organosilane (for example, to form surface-modified metal phosphate nanoparticles). | 02-24-2011 |
20110229421 | SURFACE-TREATED CALCIUM PHOSPHATE PARTICLES SUITABLE FOR ORAL CARE AND DENTAL COMPOSITIONS - Calcium phosphate particles are described comprising a surface treatment wherein the surface treatment comprises at least one sugar alcohol, at least one glycerophosphoric acid compound, or mixture thereof. Also described are various oral care compositions comprising surface treated calcium phosphate particles and methods of surface treating calcium phosphate particles. | 09-22-2011 |
20110237692 | TELECHELIC HYBRID AEROGELS - Methods of forming hybrid aerogels are described. The methods include forming a hybrid aerogel from a metal oxide precursor and a branched telechelic copolymer, e.g., co-hydrolyzing and co-condensing the metal oxide precursor and the branched telechelic copolymer. Aerogels and aerogel articles, including hydrophobic aerogels and hydrophobic aerogel articles are also described. | 09-29-2011 |
20110240907 | HYDROPOHOBIC AEROGELS - Methods of making hydrophobic aerogels are described. Disclosed methods include forming a surface-modified metal oxide aerogel precursor from a sol comprising a solvent, a metal oxide precursor, and a hydrophobic surface modifying agent. The resulting modified precursor can be dried to from hydrophobic aerogels. Methods of forming the surface-modified metal oxide aerogel precursor include hydrolyzing the metal oxide precursor and co-condensing the hydrolyzed metal oxide precursor and the hydrophobic surface modifying agent. Hydrophobic aerogels and hydrophobic aerogel articles are also disclosed. | 10-06-2011 |
20110245359 | METHODS OF PREPARING HYBRID AEROGELS - Methods of preparing hybrid aerogels are described. The methods include co-condensing a metal oxide precursor and an organo-functional metal oxide precursor, and crosslinking the organo-functional groups with an ethylenically-unsaturated crosslink agent. Thermal energy and actinic radiation crosslinking are described. Both supercritical aerogel and xerogels, including hydrophobic supercritical aerogel and xerogels, are described. Aerogel articles, including flexible aerogel articles are also disclosed. | 10-06-2011 |
20120029098 | PROTON CONDUCTING MATERIALS - Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers. | 02-02-2012 |
20120264588 | ZIRCONIA-BASED PARTICLES DOPED WITH A LANTHANIDE ELEMENT - Zirconia-based particles, sols containing the zirconia-based particles, methods of making the sols and the zirconia-based particles, composites containing the zirconia-based particles in an organic matrix, and sintered bodies prepared from the zirconia-based particles are described. The zirconia-based particles are crystalline, have a primary particles size no greater than 100 nanometers, and are doped with a lanthanide element or with both a lanthanide element and yttrium. | 10-18-2012 |
20120276471 | PROTON CONDUCTING MATERIALS - Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers. | 11-01-2012 |
20130273457 | PROTON CONDUCTING MATERIALS - Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers. | 10-17-2013 |
20140080934 | TELECHELIC HYBRID AEROGELS - Hybrid aerogels that contain a metal oxide precursor and a branched telechelic copolymer are described. Aerogels and aerogel articles, including hydrophobic aerogels and hydrophobic aerogel articles are also described. | 03-20-2014 |
20140107282 | Flame Retarding Adhesives - Pressure sensitive adhesives having flame retarding properties include a (meth)acrylate-based block copolymer, and at least 10% by weight of a halogen-free flame retarding agent. The adhesives may contain additional optional additives such as tackifying resins, plasticizers, and the like. The adhesives are prepared by blending the (meth)acrylate-based block copolymer, and the halogen-free flame retarding agent either in solvent or by a solventless process. | 04-17-2014 |
20140135206 | TIN DIOXIDE NANOPARTCLES AND METHOD FOR MAKING THE SAME - Plurality of crystalline, surface modified tin oxide nanoparticles, wherein the particles have a largest dimension up to 20 nm, and wherein the surface modifier comprises at least one of an organic carboxylic acid or anion thereof, including a dispersion comprising the crystalline, surface modified tin oxide nanoparticles and methods to make the same. The crystalline surface modified doped tin oxide nanoparticles are useful, for example, for preparing transparent electrodes, heat mirrors and energy storage devices. | 05-15-2014 |
20140162058 | Flame Retarding Tapes - Pressure sensitive adhesive tapes having flame retarding properties include a backing and a pressure sensitive adhesive layer. The pressure sensitive adhesive layer includes a (meth)acrylate-based block copolymer, and may also include at least 10% by weight of a halogen-free flame retarding agent. The adhesive layer may contain additional optional additives such as tackifying resins, plasticizers, and the like. The tapes are prepared by coating the flame retarding pressure sensitive adhesive onto the backing, either in solvent or by a solventless process. | 06-12-2014 |
20140271498 | SURFACE-TREATED CALCIUM PHOSPHATE PARTICLES SUITABLE FOR ORAL CARE AND DENTAL COMPOSITIONS - Calcium phosphate particles are described comprising a surface treatment wherein the surface treatment comprises at least one sugar alcohol. Also described are various oral care compositions comprising surface treated calcium phosphate particles and methods of surface treating calcium phosphate particles. | 09-18-2014 |