Patent application number | Description | Published |
20110193608 | Square Wave For Vessel Sealing - A square wave generator suitable for use with an electrosurgical device is provided. The square wave generator includes a voltage source configured to output a waveform and a comparator operatively coupled to the voltage source and configured to output energy in the form of a square wave. The generator may also include at least one sensor configured to sense an operational parameter of the energy outputted from the comparator and to provide a sensor signal corresponding thereto and a controller adapted to receive the at least one sensor signal and in response thereto control the voltage source. | 08-11-2011 |
20120179159 | Battery Interlock System and Related Method - An interlock system and related method includes a battery assembly, and first and second modules. The battery assembly has first and second power contacts, and a sense contact. The battery assembly includes one or more cells, a standby circuit, and an interface circuit. The standby circuit electrically couples to the first power contact and the sense contact for generating a standby signal in the absence of a detected external electrical coupling between the first power contact and the sense contact. The interface circuit electrically couples to the second power contact and to the at least one cell. The interface circuit is adapted to electrically decouple the second power contact from the at least one cell as a function of the standby signal. The first module is attachable to the battery assembly and has a first pair of contacts adapted to couple with the first power contact and the sense contact of the battery assembly. The first module also has a second pair of contacts electrically coupled to the first pair of contacts. The second module is attachable to the first module. The second module has a third pair of contacts adapted to couple with the second pair of contacts. All of the contacts of the third pair of contacts are electrically coupled together. | 07-12-2012 |
20130053840 | System and Method for DC Tissue Impedance Sensing - A system and method for transmitting electrosurgical energy from a generator to an electrosurgical instrument are provided. The electrosurgical system includes a generator adapted to generate electrosurgical energy for treating tissue. The generator includes one or more active output terminals which supply energy to the tissue. The active output terminals are operatively connected to one or more active leads. The generator also includes one or more return output terminals which returns energy from the tissue. The return output terminals are operatively connected to at least one return lead. The system also includes an electrosurgical instrument operatively connected to the one or more active leads and one or more return electrodes operatively connected to one or more return leads. The system further includes an electrosurgical cable including one or more active leads and one or more return leads. The one or more active leads and one or more return leads are wound in a double helix fashion such that the electrical field along the cable is mitigated along the length thereof. | 02-28-2013 |
20130193952 | System and Method for Verifying the Operating Frequency of Digital Control Circuitry - A system and method are presented for verifying the operating frequency of digital control circuitry. The system and method according to the present disclosure provide for a digitally controlled system, such as an electrosurgical system, to confirm or verify its operating frequency using a single external device, and software and/or firmware. | 08-01-2013 |
20130267944 | Method for Employing Single Fault Safe Redundant Signals - An electrosurgical system includes an electrosurgical instrument coupled to an electrosurgical generator. The electrosurgical system may include a first sensor and a second sensor, which are configured to detect redundant tissue properties and output a signal corresponding thereto. The electrosurgical system has a signal processing circuit for receiving and modifying the output signal from the second sensor. The electrosurgical generator may include a controller for receiving an output signal from the first sensor and a processed signal from the signal processing circuit. The controller compares the two signals received and shuts down the system based on the comparison of the first sensor and a processed signal. | 10-10-2013 |
20130267945 | Electrosurgical Generator - An electrosurgical system for performing an electrosurgical procedure is provided and includes an electrosurgical generator and a calibration computer system. The electrosurgical generator includes one or more processors and a measurement module including one or more log amps that are in operative communication with the processor. The calibration computer system configured to couple to a measurement device and is configured to measure parameters of an output signal generated by the electrosurgical generator. The calibration computer system is configured to compile the measured parameters into one or more data look-up tables and couple to the electrosurgical generator for transferring the data look-up table(s) to memory of the electrosurgical generator. The microprocessor is configured to receive an output from the log amp(s) and access the data look-up table(s) from memory to execute one or more control algorithms for controlling an output of the electrosurgical generator. | 10-10-2013 |
20140159703 | SYSTEM AND METHOD FOR VERIFYING THE OPERATING FREQUENCY OF DIGITAL CONTROL CIRCUITRY - A system and method are presented for verifying the operating frequency of digital control circuitry. The system and method according to the present disclosure provide for a digitally controlled system, such as an electrosurgical system, to confirm or verify its operating frequency using a single external device, and software and/or firmware. | 06-12-2014 |
20150223865 | SYSTEM AND METHOD FOR DC TISSUE IMPEDANCE SENSING - A system and method for transmitting electrosurgical energy from a generator to an electrosurgical instrument are provided. The electrosurgical system includes a generator adapted to generate electrosurgical energy for treating tissue. The generator includes one or more active output terminals which supply energy to the tissue. The active output terminals are operatively connected to one or more active leads. The generator also includes one or more return output terminals which returns energy from the tissue. The return output terminals are operatively connected to at least one return lead. The system also includes an electrosurgical instrument operatively connected to the one or more active leads and one or more return electrodes operatively connected to one or more return leads. The system further includes an electrosurgical cable including one or more active leads and one or more return leads. The one or more active leads and one or more return leads are wound in a double helix fashion such that the electrical field along the cable is mitigated along the length thereof. | 08-13-2015 |