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| Application No. | Application Title | Issue Date |
| 20110178516 | System and Method for Closed Loop Monitoring of Monopolar Electrosurgical Apparatus An electrosurgical system is disclosed comprising a generator configured to electrosurgical coagulation waveforms. The generator includes a closed loop control system for controlling the electrosurgical coagulation waveforms. The closed loop control system includes a se... | 07/21/2011 |
| 20100217259 | HF-SURGERY DEVICE AND METHOD FOR AN HF-SURGERY DEVICE The invention concerns an HF-surgery device for cutting and/or coagulating biological tissue and a method for same, which in operation monitors the patient skin contact of a connected neutral electrode having at least two separate contact surfaces. The HF-surgery device... | 08/26/2010 |
| 20100030210 | Polyphase Electrosurgical System and Method A polyphase electrosurgical system and method are provided. In embodiments, a radiofrequency generator having the capability of delivering a plurality of independent electrosurgical signals is disclosed. An electrosurgical instrument having an array of electrodes that c... | 02/04/2010 |
| 20090275938 | HIGH FREQUENCY GENERATOR FOR ELECTROSURGICAL CUTTING The invention concerns a high frequency generator for the connection of an electrosurgical instrument comprising an electrical output terminal for an electrosurgical instrument, a current or voltage source connected at least indirectly to the output terminal, an arc det... | 11/05/2009 |
| 20090254080 | SURGICAL OPERATION APPARATUS A surgical operation apparatus includes a handpiece to be held by an operator, and an apparatus main body to be connected with the handpiece, wherein the handpiece includes a high-frequency treatment unit to treat a living tissue by a high-frequency current, an ultrason... | 10/08/2009 |
| 20090082765 | REAL-TIME ARC CONTROL IN ELECTROSURGICAL GENERATORS An electrosurgical generator is disclosed. The generator includes a radio frequency output stage configured to generate a radio frequency waveform and a sensor circuit configured to measure a property of the radio frequency waveform during a predetermined sampling perio... | 03/26/2009 |
| 20080281315 | Electrosurgical Generator With Adaptive Power Control An electrosurgical generator has an output power control system that causes the impedance of tissue to rise and fall in a cyclic pattern until the tissue is desiccated. The advantage of the power control system is that thermal spread and charring are reduced. In additio... | 11/13/2008 |
| 20080172052 | Surgical Tool The invention is concerned with cauterizing and resecting tissue. A pair of electrodes are placed on opposed tissue surfaces, and radio frequency power is applied through the electrodes to cauterizing a tissue mass therebetween. After cauterization has been effected, th... | 07/17/2008 |
| 20080125767 | Thermocouple Measurement Circuit A thermocouple measuring circuit for sensing a temperature at a measuring point is provided. The thermocouple measurement circuit (12) includes a thermocouple input for sensing a temperature at a measuring point, a compensation circuit (14) for compensatin... | 05/29/2008 |
| 20080103495 | HIGH FREQUENCY CAUTERIZATION POWER SUPPLY APPARATUS A high-frequency cauterization power supply apparatus is provided with an electrosurgical scalpel device. When an operator starts to excise a living tissue in a conductive liquid, high-frequency power is applied to a treatment electrode. When an output impedance detecte... | 05/01/2008 |
| 20080082094 | Transformer for RF voltage sensing An electrosurgical system is disclosed. The electrosurgical system includes a multiple-secondary transformer configured for sensing voltage. The multiple-secondary transformer includes a primary winding coupled to an active terminal and a return terminal of the electros... | 04/03/2008 |
| 20080082096 | Electrosurgical generator and method for simulating output signals Voltage and current of an electrosurgical output signal which is conducted by a transformer are accurately simulated by executing a simulation algorithm to compensate for inherent distortion in the values of the current and voltage induced between primary and secondary ... | 04/03/2008 |
| 20080082095 | Near-instantaneous responsive closed loop control electrosurgical generator and method An electrosurgical generator has a control system formed by an array of logic gates programmed to execute mathematical algorithms for regulating at least one parameter of output power, output voltage or output current of an output electrosurgical signal in a closed loop... | 04/03/2008 |
| 20080065060 | Controlled monopolar and bipolar application of RF energy A system including at least two target electrodes and at least one return electrode spaced outwards from the at least two target electrodes, at least two RF power sources in electrical communication with the electrodes and operative to generate RF energy waveforms to th... | 03/13/2008 |
| 20080058782 | METHOD AND APPARATUS FOR MONITORING AND CONTROLLING DENSITY OF FRACTIONAL TISSUE TREATMENTS A method and apparatus for fractional treatment of skin by irradiating the skin with electromagnetic energy is disclosed. Sources of the electromagnetic energy can include radio frequency (RF) generators, lasers, and flashlamps. The apparatus includes at least one senso... | 03/06/2008 |
| 20080039836 | System and method for controlling RF output during tissue sealing An electrosurgical system for sealing tissue is disclosed which includes an electrosurgical forceps having a shaft member and a jaw member disposed at a distal end thereof. The jaw members are movable from a first position in spaced relation relative to one another to a... | 02/14/2008 |
| 20080039831 | System and method for measuring initial tissue impedance An electrosurgical system and method are disclosed. The system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue. The generator is further adapted to supply an electrical signal having at least one substantially constant value to t... | 02/14/2008 |
| 20080004616 | Apparatus and method for sealing and cutting tissue An axial elongate bipolar tissue sealer/cutter and method of use by a surgeon for electrosurgery on tissue has a handle. A chassis on the handle extends axially for axial movement. A tube may move axial relative to the chassis. An effector on a distal end of the chassis... | 01/03/2008 |
| 20070255269 | Multi-channel radio frequency generator for high-frequency thermal treatment A multi-channel radio frequency generator for high-frequency thermal treatment is used in combination with a plurality of electrodes. The multi-channel radio frequency generator includes an oscillator for producing a high-frequency, a waveform modulator part for modulat... | 11/01/2007 |
| 20070250052 | Arc based adaptive control system for an electrosurgical unit A system and method for performing electrosurgical procedures are disclosed. The system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue in form of one or more electrosurgical waveforms having a crest factor and a duty cycle. The ... | 10/25/2007 |
| 20070173804 | System and method for tissue sealing An electrosurgical system is disclosed. The electrosurgical system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue. The electrosurgical generator includes impedance sensing circuitry which measures impedance of tissue, a micropro... | 07/26/2007 |
| 20070173806 | System and method for closed loop monitoring of monopolar electrosurgical apparatus An electrosurgical system is disclosed comprising a generator configured to electrosurgical coagulation waveforms. The generator includes a closed loop control system for controlling the electrosurgical coagulation waveforms. The closed loop control system includes a se... | 07/26/2007 |
| 20070173805 | Method and system for controlling an output of a radio-frequency medical generator having an impedance based control algorithm A system for performing an electrosurgical procedure at a surgical site is disclosed. The system includes a sensor configured to continually sense an electrical and/or a physical property of tissue at a surgical site and to generate a sensor signal as a function thereof... | 07/26/2007 |
| 20070129716 | Electrosurgical medical system and method A medical device system and method provide an RF electrosurgical generator coupled to an electrosurgical electrode via a patient box disposed in close proximity to the patient. An RF signal is delivered from the generator to the patient box where signal power is increas... | 06/07/2007 |
| 20070038208 | Apparatus and method for protecting nontarget tissue of a patient during electrocautery surgery An apparatus for protecting a nontarget body tissue of a patient during electrocautery surgery, an electrocautery probe being adapted to provide an electrical field to electrocauterize a target body tissue of the patient, includes a stent. The stent is adapted to detect... | 02/15/2007 |
| 20060282070 | Touch-sensitive momentary-contact switch A touch-sensitive momentary-contact switch has an optical sensor, particularly an infrared sensor, and an evaluation circuit. The evaluation circuit is able to identify a malfunction in the optical sensor, so that the momentary-contact switch can be switched off, for ex... | 12/14/2006 |
| 20060025760 | Blood detector for controlling anesu and method therefor A method and electrosurgical system for optically detecting blood and controlling an electrosurgical generator are provided. An optical blood detection system is used for optically detecting blood and may be included as an integral part of the overall electrosurgical sy... | 02/02/2006 |
| 20060020261 | Electrosurgical generator and method for cross-checking output power The functionality and the output power delivered are evaluated in an electrosurgical generator by calculating first and second values related to the output power delivered by using separate first and second computations. The two calculated values are compared, and an er... | 01/26/2006 |
| 20050234441 | Guided and filtered user interface for use with an ophthalmic surgical system An ophthalmic surgical system 10 includes an aspiration device 12 for aspirating fluids and tissue from a surgical site 14, and a surgical handpiece 16 for performing a surgical function. A control unit 46 is connected to each of the a... | 10/20/2005 |
| 20050113819 | Automatic control system for an electrosurgical generator An automatic control system for an electrosurgical generator is herein disclosed. The automatic control system includes voltage and current sensing circuits, a processing circuit, an output determining circuit, and a control circuit. Samples of the voltage and current o... | 05/26/2005 |
| 20050113820 | Electrosurgical generator and system In an electrosurgical generator for generating radio frequency power, the generator comprises a radio frequency output stage having three or more output connections, one or more sources of output power coupled to the output stage, and a controller operable to cause the ... | 05/26/2005 |
| 20050101948 | Electric operation apparatus When a user steps on a footswitch, high-frequency output power is delivered. A control circuit included in a diathermic power supply calculates the impedance ZSn that is offered by a living tissue immediately after delivery of high-frequency output power is started duri... | 05/12/2005 |
