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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0374012 (1995-01-18) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 964 인용 특허 : 19 |
An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between an electrode associated with a first pole of a bipolar energy s
An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between an electrode associated with a first pole of a bipolar energy source located on one interfacing surface off a first element, and a second interfacing surface of a second element. The first and second elements are used to engage and compress tissue between the first and second interfacing surfaces. A second electrode associated with a second pole is located one of the two interfacing surfaces. The first electrode is either recessed into the first tissue contacting surface and/or offset from the second electrode on the same or opposing surfaces. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.
An electrosurgical device having an end effector capable of receiving electrosurgical energy therein, said end effector comprising: first and second opposing interfacing surfaces, said interfacing surfaces capable of engaging tissue therebetween, at least one of said first and second interfacing sur
An electrosurgical device having an end effector capable of receiving electrosurgical energy therein, said end effector comprising: first and second opposing interfacing surfaces, said interfacing surfaces capable of engaging tissue therebetween, at least one of said first and second interfacing surfaces being electrically insulating and including a recessed portion; electrically isolated first and second poles comprised of electrically different electrodes capable of conducting electrosurgical energy therethrough, said first pole comprised of a first electrode of a first electrical potential and said second pole comprised of a second electrode of a second electrical potential different from said first potential; and wherein said first electrode is located on one of said interfacing surfaces and said second electrode is located on at least one of said interfacing surfaces, and a tissue contacting portion of at least one of said electrodes is located below said interfacing surface on a said recessed portion, said electrodes being arranged so that electrosurgical energy may be communicated between said poles through the tissue.
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