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Minimally invasive valve replacement system

Methods and systems for minimally invasive replacement of a valve. The system includes a collapsible valve and anchoring structure, devices and methods for expanding the valve anchoring structure, adhesive means to seal the valve to the surrounding tissue, a catheter-based valve sizing and delivery system, native valve removal means, and a temporary valve and filter assembly to facilitate removal of debris material. The valve assembly comprises a valve and anchoring structure for the valve, dimensioned to fit substantially within the valve sinus.
Owner:NGUYEN TUOC TAN +1

Smart recognition apparatus and method

InactiveUS7044949B2Avoid problemsTight optical and mechanical toleranceDiagnosticsClose-range type systemsProximateElectrosurgery
A qualifying connection for an instrument attaches to a source of electrosurgery energy and to the instrument and has first and second parts coupled to the instrument and the source, respectively. Optical couplings on the connection transmit invisible energy to identify the instrument and are proximate on the first and second parts. A light modifier on the first part is proximal to the second part for modification of radiation in the infrared wavelengths so infrared transmitters encode signals and non-contact coded proximity detectors on the second part are the coupled detectors. Mechanical attachments include conjugating male and female portions which physically extend between the parts and matingly engage. An identifying circuit couples to the second part and responds to invisible light optically communicated across the couplings for verifying the type of instrument connected by the cable to the source. A method of using the connection has steps including juxtaposing and conjugating the parts with attachments and couplings for transmitting invisible optical energy to identify the instrument. The method includes modifying the invisible optical energy with geographically disposed proximate couplings of the parts when the attachments engage and the couplings are proximate. Passing and assessing signals of the modified energy are transmitted through the connection and to an identifying circuit in the source.
Owner:COVIDIEN AG

Multi-channel RF energy delivery with coagulum reduction

A system for efficient delivery of radio frequency (RF) energy to cardiac tissue with an ablation catheter used in catheter ablation, with new concepts regarding the interaction between RF energy and biological tissue. In addition, new insights into methods for coagulum reduction during RF ablation will be presented, and a quantitative model for ascertaining the propensity for coagulum formation during RF ablation will be introduced. Effective practical techniques a represented for multichannel simultaneous RF energy delivery with real-time calculation of the Coagulum Index, which estimates the probability of coagulum formation. This information is used in a feedback and control algorithm which effectively reduces the probability of coagulum formation during ablation. For each ablation channel, electrical coupling delivers an RF electrical current through an ablation electrode of the ablation catheter and a temperature sensor is positioned relative to the ablation electrode for measuring the temperature of cardiac tissue in contact with the ablation electrode. A current sensor is provided within each channel circuitry for measuring the current delivered through said electrical coupling and an information processor and RF output controller coupled to said temperature sensor and said current sensor for estimating the likelihood of coagulum formation. When this functionality is propagated simultaneously through multiple ablation channels, the resulting linear or curvilinear lesion is deeper with less gaps. Hence, the clinical result is improved due to improved lesion integrity.
Owner:SICHUAN JINJIANG ELECTRONICS SCI & TECH CO LTD

Method and apparatus for resecting and replacing an aortic valve

A method and apparatus for delivering a device to a given location within a heart, the method and apparatus being adapted for: passing a first catheter through the left atrium of the heart, through the mitral valve and into the left ventrical, and passing a second catheter through the aorta toward the heart, one or the other of the first catheter and the second catheter, with the device attached thereo, forming a device-carrying assembly for engagement with the remaining catheter; causing the device-carrying assembly and the remaining catheter to engage one another so as to form a connection therebetween; and retracting one of the device-carrying assembly and the remaining catheter in a direction opposite to the other of the device-carrying assembly and the remaining catheter so as to position the device relative to the given location within the heart.
Owner:MEDTRONIC INC

Authentication using application authentication element

Embodiments of the present invention can be directed to systems, apparatuses, and methods for performing transactions through mobile communication devices using telecommunications networks, systems, or proximity near-field communications systems. Embodiments may be directed to a mobile communication device displaying an application authentication element including a pre-selected authentication element. The application authentication element may include transaction data associated with a transaction conducted by a mobile communication device. The mobile communication device may obtain the pre-selected authentication element by either transmitting a request to a server computer or retrieving the pre-selected authentication element from a secure memory in the mobile communication device. A user authentication token may then be received by the mobile communication device from the user. The mobile communication device may then generate a secret token derived from the user authentication token, and if the secret token is correlated to a secret reference token, a transaction may be conducted.
Owner:VISA INT SERVICE ASSOC

Minimally invasive valve replacement system

Methods and systems for minimally invasive replacement of a valve. The system includes a collapsible valve and anchoring structure, devices and methods for expanding the valve anchoring structure, adhesive means to seal the valve to the surrounding tissue, a catheter-based valve sizing and delivery system, native valve removal means, and a temporary valve and filter assembly to facilitate removal of debris material. The valve assembly comprises a valve and anchoring structure for the valve, dimensioned to fit substantially within the valve sinus.
Owner:NGUYEN TUOC TAN +1

Minimally invasive valve replacement system

Methods and systems for minimally invasive replacement of a valve. The system includes a collapsible valve and anchoring structure, devices and methods for expanding the valve anchoring structure, adhesive means to seal the valve to the surrounding tissue, a catheter-based valve sizing and delivery system, native valve removal means, and a temporary valve and filter assembly to facilitate removal of debris material. The valve assembly comprises a valve and anchoring structure for the valve, dimensioned to fit substantially within the valve sinus.
Owner:NGUYEN TUOC TAN +1

Method for identity theft protection

A method for protecting against identity theft by monitoring a consumer's credit information. The consumer's initial credit information is verified. The credit information is then monitored for changes in personal information or open credit. If changes are made, the consumer is notified. Unauthorized or invalid changes are corrected. In this manner, unauthorized attempts to open credit in the consumer's name are quickly identified and corrected, thus protecting against theft of the consumer's identity by a third party.
Owner:HORNUNG KATHARINE A

Methods, systems, and computer program products for extensible, profile-and context-based information correlation, routing and distribution

InactiveUS20060265397A1High level of flexibilityHigh level of adaptabilityProgramme controlWebsite content managementDistribution methodContext based
Methods, systems, and computer program products for extensible, profile- and context-based information correlation, routing, and distribution are disclosed. According to one system, source plug-ins receive output from a plurality of different sensors. A content manager merges data from individual sensors together with metadata that is representative of a context and aggregates the sensor data and the context metadata into knowledge items. A scenario engine achieves sensor fusion by comparing the sensor data and its context metadata against a defined set of policies and / or rules and provides for performance of an action when a rule or policy is satisfied.
Owner:KNOWLEDGE VECTOR

Cerebral protection during carotid endarterectomy and methods of use

A shunt and method of use for maintaining distal blood flow during an arteriotomy procedure is disclosed. The shunt includes first and second tubular members having proximal ports, distal ports, and lumens therebetween. The distal port of the second tubular member is adapted for releasable attachment to the proximal port of the first tubular member. A second lumen merges and communicates at its distal end with the lumen of the first tubular member and includes a hemostatic valve attached to its proximal end. In using the apparatus for performing open endarterectomy, a filter device is inserted into the vessel and deployed downstream the region of interest in the internal carotid artery. The distal end of the shunt is advanced over the filter device and secured onto the artery. The proximal end of the shunt is inserted upstream the region of interest, typically in the common carotid artery.
Owner:EDWARDS LIFESCIENCES CORP
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