[특허]Methods of treating cardiac arrhythmia

Methods of treating cardiac arrhythmia 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-031/00
출원번호	US-0591126 (2006-10-31)
등록번호	US-8187251 (2012-05-29)
발명자 / 주소	Chee, U. Hiram Mueller, Richard L. Kermode, James R. Tom, Curtis P. Murphy-Chutorian, Douglas
출원인 / 주소	Boston Scientific Scimed, Inc.
대리인 / 주소	Seager, Tufte & Wickhem LLC
인용정보	피인용 횟수 : 0 인용 특허 : 163

초록 ▼

Methods and apparatus of embodiments of the invention are adapted to treat tissue inside a patient's body. Aspects of the invention can be used in a wide variety of applications, but certain embodiments provide minimally invasive alternatives for treating atrial fibrillation by delivering a tissue-damaging agent to selected areas of the heart. One exemplary embodiment of the invention provides a method of treating cardiac arrhythmia. This method includes positioning a distal tissue-contacting portion of a body in surface contact with a tissue surface of cardiac tissue; detecting the surface contact between the tissue-contacting portion and the tissue surface; and thereafter, injecting a tissue-ablating agent into the cardiac tissue through the tissue-contacting portion of the body.

대표청구항 ▼

1. A method of treating cardiac arrhythmia comprising: guiding a body of an injectate delivery device within a patients thoracic cavity to position a distal tissue-contacting portion of the body in surface contact with a tissue surface of cardiac tissue;detecting the surface contact between the tissue-contacting portion and the tissue surface; andthereafter, injecting a tissue-ablating agent into the cardiac tissue through the tissue-contacting portion of the body;wherein the step of detecting surface contact comprises supplying an excitation voltage to a plurality of electrodes positioned on the tissue-contacting portion of the body and measuring a level of at least one current conducted by the plurality of electrodes, wherein the level depends upon a degree of contact between at least two of the electrodes and the tissue surface. 2. The method of claim 1, wherein the tissue-ablating agent is injected into the cardiac tissue to a depth of at least about 2 mm. 3. The method of claim 1, wherein the tissue-ablating agent is injected into the cardiac tissue at an elevated pressure through a plurality of outlet ports along the tissue-contacting portion. 4. The method of claim 1, wherein the tissue-contacting portion of the body comprises a blunt distal tip of the body having a tissue-contact sensor, the tissue-contact sensor being used to detect the surface contact. 5. The method of claim 1, wherein the tissue-contacting portion of the body comprises an elongate surface of a distal length of the body. 6. The method of claim 1, wherein the tissue-contacting portion of the body comprises an elongate surface of a distal length of the body having a tissue-contact sensor, the tissue-contact sensor being used to detect the surface contact. 7. The method of claim 1, wherein the injectate delivery device further comprises a selectively deployable needle, injecting the tissue-damaging agent comprising advancing the needle through the tissue surface into the cardiac tissue and delivering a tissue-damaging fluid through a lumen of the needle. 8. The method of claim 1, wherein surface contact is detected with a plurality of electrodes positioned on the tissue-contacting portion of the body, further comprising measuring an EKG of the cardiac tissue with the electrodes.

이 특허에 인용된 특허 (163)

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Webster ; Jr. Wilton W., Unique electrode configurations for cardiovascular electrode catheter with built-in deflection method and central pulle.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Methods of treating cardiac arrhythmia 원문보기

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