Patent application number | Description | Published |
20090069801 | System and method for transmission of combined data stream - An electrosurgical system is disclosed. The electrosurgical system includes an electrosurgical instrument configured to generate a first and second data streams and a transmission circuit configured to convert the first and second data streams into a pulsed transmission signal. The first signal property of the transmission signal is representative of the first data stream and the second signal property of the transmission signal is representative of the second data stream. The transmission circuit is further configured to process the transmission signal to decode the first signal property into the first data stream and the second signal property into the second data stream. | 03-12-2009 |
20090069804 | Apparatus for efficient power delivery - A delivery apparatus for supporting an electrosurgical instrument and for connecting the electrosurgical instrument to an electrosurgical energy source is provided. The delivery apparatus includes a selectively positionable housing including a plurality of rigid segments and a joint member interposed between each adjacent rigid member; and a transmission medium extending through at least one of the segments of the housing. The transmission medium is configured to transmit electrosurgical energy between the electrosurgical energy source and the electrosurgical instrument. In use, the housing is movable between a first position wherein an electrosurgical instrument supported on an end of the housing is remote from an operative site and a second position wherein the electrosurgical instrument supported on the end of the housing is proximate to the operative site. | 03-12-2009 |
20100262134 | Frequency Identification for Microwave Ablation Probes - A microwave ablation system is disclosed. The system includes a microwave antenna assembly that includes an identification device configured to store an optimal frequency of the microwave antenna assembly. The system also includes a generator configured to couple to the microwave antenna assembly and to output microwave energy at an operational frequency. The generator is further configured to read the optimal frequency from the identification device and to configure the operational frequency to substantially match the optimal frequency. | 10-14-2010 |
20110071511 | System and Method for Checking High Power Microwave Ablation System Status on Startup - A microwave ablation system includes a generator operable to output energy and an ablation probe coupled to the generator that delivers the energy to a tissue region. The ablation system also includes a controller operable to control the generator and at least one sensor coupled to the ablation probe and the controller that detects an operating parameter of the ablation probe. The controller performs a system check by ramping up an energy output of the generator from a low energy level to a high energy level and monitors an output from the sensor at predetermined intervals of time during the system check to determine an abnormal state. The controller controls the generator to cease the energy output when the controller determines an abnormal state. | 03-24-2011 |
20110071512 | Tissue Ablation System with Energy Distribution - A microwave ablation system includes an energy source adapted to generate microwave energy and a power splitting device having an input adapted to connect to the energy source and a plurality of outputs. The plurality of outputs are configured to be coupled to a corresponding plurality of energy delivery devices. The power splitting device is configured to selectively divide energy provided from the energy source between the plurality of energy devices. | 03-24-2011 |
20120253342 | System and Method for Transmission of Combined Data Stream - An electrosurgical system is disclosed. The electrosurgical system includes an electro surgical instrument configured to generate a first and second data streams and a transmission circuit configured to convert the first and second data streams into a pulsed transmission signal. The first signal property of the transmission signal is representative of the first data stream and the second signal property of the transmission signal is representative of the second data stream. The transmission circuit is further configured to process the transmission signal to decode the first signal property into the first data stream and the second signal property into the second data stream. | 10-04-2012 |
20130067725 | Handheld Medical Devices Including Microwave Amplifier Unit At Device Handle - A method of manufacturing a medical device includes the initial steps of providing a handle assembly and providing a microwave-signal-amplifying module. The handle assembly includes a handle body defining a chamber therein. The handle body is configured to support an energy applicator at the distal end thereof. The microwave-signal-amplifying module includes a microwave amplifier unit adapted to amplify a high-frequency input signal to generate a high-frequency output signal. The microwave-signal-amplifying module includes one or more connector portions including one or more electrical connectors adapted to be removeably coupleable to one or more electrical conductors associated with the handle body. The method also includes the step of positioning the microwave-signal-amplifying module into the chamber to bring the one or more electrical connectors of the one or more connector portions into electrical engagement with one or more electrical connectors associated with the handle body. | 03-21-2013 |
20130072920 | Handheld Medical Devices Including Microwave Amplifier Unit At Device Handle - A medical device includes a handle assembly including a distal end, a probe extending distally from the distal end of the handle assembly, and a microwave amplifier unit disposed within the handle assembly. The microwave amplifier unit is adapted to amplify a high-frequency input signal to generate a high-frequency output signal to be transmitted to the probe. | 03-21-2013 |
20130072921 | Handheld Medical Devices Including Microwave Amplifier Unit At Device Handle - A medical device includes a handle assembly and a probe-and-amplifier assembly. The handle assembly includes a handle body defining a chamber therein. The probe-and-amplifier assembly includes a probe and a microwave amplifier unit. The probe extends distally from the distal end of the handle assembly. The microwave amplifier unit is disposed within the chamber. The microwave amplifier unit and the probe are mechanically coupled to one another to form a unitary body. The probe-and-amplifier assembly is selectively removable from the handle assembly. | 03-21-2013 |
20130072922 | Handheld Medical Devices Including Microwave Amplifier Unit At Device Handle - A system includes a microwave signal generator and a medical device. The medical device includes a handle assembly, a microwave-signal-amplifying module, and a probe. The microwave-signal-amplifying module includes a microwave amplifier unit. The microwave amplifier unit is adapted to amplify a high-frequency input signal to generate a high-frequency output signal. The microwave amplifier unit is disposed within the handle assembly. The probe extends distally from the distal end of the handle assembly and is operably coupled to an output of the microwave-signal-amplifying module. | 03-21-2013 |
20130072923 | Handheld Medical Devices Including Microwave Amplifier Unit At Device Handle - A method of directing energy to tissue includes the steps of providing a handheld device including an energy applicator and a handle assembly configured to support the energy applicator at a distal end thereof, and transmitting energy from an output of a microwave amplifier unit disposed within the handle assembly through the energy applicator to tissue. | 03-21-2013 |
20130144284 | Vessel Sealing Using Microwave Energy - The present disclosure provides for an end effector assembly for microwave forceps. The end effector assembly includes a pair of opposing jaw members movable from a first position in spaced relation relative to one another to at least one subsequent position wherein the jaw members cooperate to grasp tissue therebetween. Each of the jaw members includes a microwave antenna assembly and a shielding member including a metallic plate coupled to ground and a dielectric material. The end effector assembly also includes a splitter configured to receive an active signal from a source of microwave energy and split the active signal into a first signal transmitted to the microwave antenna assembly in one of the jaw members and a second signal transmitted in the microwave antenna assembly in the other jaw member. | 06-06-2013 |
20130180104 | Printed Circuit Boards Including Strip-Line Circuitry and Methods of Manufacturing Same - A method of manufacturing a printed circuit board includes the initial steps of providing a first layer stack and providing a second layer stack. The first layer stack includes a first electrically-insulating layer. The first electrically-insulating layer includes a first surface and one or more electrically-conductive traces disposed on the first surface. The second layer stack includes a second electrically-insulating layer and a first electrically-conductive layer. The second electrically-insulating layer includes a first surface and an opposite second surface. The first electrically-conductive layer is disposed on the first surface of the second electrically-insulating layer. The second layer stack further includes a cut-out area defining a void that extends therethrough. The cut-out area is configured to receive therein at least a portion of a device to be coupled to the first surface of the first electrically-insulating layer and electrically-coupled to one or more of the one or more electrically-conductive traces. | 07-18-2013 |
20130180105 | Printed Circuit Boards Including Strip-Line Circuitry and Methods of Manufacturing Same - A method of manufacturing a printed circuit board includes the steps of providing a first layer stack including a first electrically-conductive layer and a first electrically-insulating layer and providing a second layer stack including a second electrically-insulating layer. The first electrically-conductive layer is disposed on the first surface of the first electrically-insulating layer. The second electrically-insulating layer includes one or more electrically-conductive traces disposed on a first surface thereof. The method also includes mounting a device on the first surface of the second electrically-insulating layer such that the device is electrically-coupled to at least one of the one or more electrically-conductive traces, and providing the first layer stack with a cut-out area defining a void that extends from the second surface of the first electrically-insulating layer to the first surface of the first electrically-conductive layer. The cut-out area is configured to receive at least a portion of the device therein. | 07-18-2013 |
20130180762 | Printed Circuit Boards Including Strip-Line Circuitry and Methods of Manufacturing Same - A multi-layer printed circuit board includes a first layer stack and a second layer stack coupled to the first layer stack. The first layer stack includes a first electrically-insulating layer, a second electrically-insulating layer, and a first electrically-conductive layer disposed between the first and second electrically-insulating layers. The second layer includes a third electrically-insulating layer and a second electrically-conductive layer. The first layer stack and/or the second layer stack include a cut-out area defining a void that extends therethrough. The multi-layer printed circuit board further includes a first signal layer disposed in association with the first electrically-insulating layer of the first layer stack or the third electrically-insulating layer of the second layer stack, a second signal layer disposed in association with the second electrically-insulating layer of the first layer stack, and a device at least partially disposed within the cut-out area and electrically-coupled to the first and second signal layers. | 07-18-2013 |
20130180763 | Printed Circuit Boards Including Strip-Line Circuitry and Methods of Manufacturing Same - A printed circuit board includes a first layer stack and a second layer stack coupled to the first layer stack. The first layer stack includes a first electrically-insulating layer, a first electrically-conductive layer, and a cut-out area defining a void that extends therethrough. The first electrically-insulating layer includes a first surface and an opposite second surface. The first electrically-conductive layer is disposed on the first surface of the first electrically-insulating layer. The second layer stack includes a second electrically-insulating layer. The second electrically-insulating layer includes a first surface and an opposite second surface. One or more electrically-conductive traces are disposed on the first surface of the second electrically-insulating layer. The printed circuit board further includes a device at least partially disposed within the cut-out area. The device is electrically-coupled to one or more of the one or more electrically-conductive traces disposed on the first surface of the second electrically-insulating layer. | 07-18-2013 |
20140002056 | SYSTEMS AND METHODS FOR MEASURING THE FREQUENCY OF SIGNALS GENERATED BY HIGH FREQUENCY MEDICAL DEVICES | 01-02-2014 |
20140094120 | ISOLATED DATA TRANSFER USING ELECTRIC-FIELD CAPACITIVE COUPLER - An electric-field capacitive coupler module includes a first processing unit, a first communication interface coupled to the first processing unit, a second communication interface, and an electric-field capacitive coupler that defines an isolation barrier. The electric-field capacitive coupler apparatus is coupled between the first communication interface and the second communication interface. | 04-03-2014 |
20150088122 | DEVICES, SYSTEMS, AND METHODS FOR GRASPING, TREATING, AND DIVIDING TISSUE - A surgical system includes an end effector assembly, a motor assembly, an energy source, and a controller. The controller activates the motor assembly, once it is determined that tissue is present between jaw members of the end effector assembly, to move the jaw members from a spaced-apart position to an approximated position to grasp tissue. The controller further activates the energy source, once tissue is grasped between the jaw members, to supply energy to the jaw members to seal tissue grasped between the jaw members. The controller further activates the motor assembly, once it is determined that tissue sealing is complete, to move the jaw members from the approximated position to the spaced-apart position to release sealed tissue. The system may further be configured to cut tissue once it is determined that tissue sealing is complete but before moving the jaw members to the spaced-apart position. | 03-26-2015 |