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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0792178 (2004-03-03) |
등록번호 | US-8162933 (2012-04-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 118 인용 특허 : 333 |
An ablation apparatus including a maneuvering mechanism, a conductive element attached to the apparatus, a sensor attached to the apparatus and an output device in communication with the sensor is provided. The sensor senses vibration during the ablation procedure and sends a signal to the output de
An ablation apparatus including a maneuvering mechanism, a conductive element attached to the apparatus, a sensor attached to the apparatus and an output device in communication with the sensor is provided. The sensor senses vibration during the ablation procedure and sends a signal to the output device to reduce power to the conductive element.
1. A method of ablating organic tissue, comprising: sensing an initial state of vibration of the organic tissue prior to ablating the organic tissue;positioning an electrode adjacent the organic tissue;supplying electrical power to the electrode to effect ablation of the organic tissue;sensing with
1. A method of ablating organic tissue, comprising: sensing an initial state of vibration of the organic tissue prior to ablating the organic tissue;positioning an electrode adjacent the organic tissue;supplying electrical power to the electrode to effect ablation of the organic tissue;sensing with a sensor positioned adjacent the electrode the vibration of the organic tissue being ablated wherein the vibration is self-generated in the organic tissue in response to the ablation and the self-generated vibration occurs during phase-transition but prior to boiling of water in the organic tissue;determining a difference in vibration between the initial state of vibration and the self-generated vibration; andreducing power to the electrode when the self-generated vibration reaches a given value. 2. The method of claim 1, further comprising: halting the power when the self-generated vibration reaches a given value. 3. The method of claim 1, further comprising: supplying fluid from a fluid supply to the tissue; andhalting the fluid supply when the self-generated vibration reaches a given value. 4. The method of claim 1 further comprising: sending a signal from the sensor to a switch to reduce the power. 5. The method of claim 1, further comprising: providing output from an output device when the self-generated vibration reaches a given value. 6. The method of claim 5 further comprising: sending a signal from the sensor to the output device; and sending an indicator signal from the output device. 7. The method of claim 1 wherein the sensor is a piezoelectric crystal. 8. The method of claim 1 wherein the sensor is a piezoelectric polymer. 9. The method of claim 1 wherein the sensor is integrated with the electrode.
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