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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0065091 (1998-07-27) |
| 우선권정보 | GB-0021772 (1995-10-24) |
| 국제출원번호 | PCT/GB96/02577 (1996-10-21) |
| §371/§102 date | 19980727 (19980727) |
| 국제공개번호 | WO-9715237 (1997-05-01) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 649 인용 특허 : 22 |
An electrosurgical instrument comprises a handpiece, a monopolar electrode unit having a single treatment electrode projecting from the handpiece, a radio-frequency generator and a battery within the handpiece for powering the generator. The generator has a single direct radio-frequency output patie
An electrosurgical instrument comprises a handpiece, a monopolar electrode unit having a single treatment electrode projecting from the handpiece, a radio-frequency generator and a battery within the handpiece for powering the generator. The generator has a single direct radio-frequency output patient connection through the treatment electrode. The return path between the generator and a patient is through an electrically conductive shield around the generator and forming part of the handpiece, the shield forming a capacitive coupling element between the generator and the surroundings. Preferably, the operating frequency of the generator is 5 MHz or greater.
[ What is claimed is:] [1.] An electrosurgical instrument comprising a handpiece, a monopolar electrode unit having a single treatment electrode projecting from the handpiece, and a radio-frequency generator within the handpiece, the handpiece including an electrically conductive shield around the g
[ What is claimed is:] [1.] An electrosurgical instrument comprising a handpiece, a monopolar electrode unit having a single treatment electrode projecting from the handpiece, and a radio-frequency generator within the handpiece, the handpiece including an electrically conductive shield around the generator as a capacitive coupling element between the generator and the surroundings, and wherein the generator has no radio-frequency connections other than a single radio-frequency output connection to the treatment electrode for providing an active output connection between the generator and a patient and, in use, a return path between the generator and the patient provided by said capacitive coupling.
해당 특허가 속한 카테고리에서 활용도가 높은 상위 5개 콘텐츠를 보여줍니다.
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