[특허]Ablative treatment of atrial fibrillation via the coronary sinus

Ablative treatment of atrial fibrillation via the coronary sinus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-018/18
출원번호	UP-0009197 (2004-12-10)
등록번호	US-7731715 (2010-06-29)
발명자 / 주소	Ward, Jim Williams, Mathew R.
출원인 / 주소	Edwards Lifesciences Corporation
대리인 / 주소	Crapenhoft, Michael L.
인용정보	피인용 횟수 : 0 인용 특허 : 111

초록 ▼

Ablation instruments and techniques are disclosed for accessing portions of the heart wall via the coronary sinus. While shielding the major portion of the sinus and/or the circumflex coronary artery from ablative energy, the present invention provides access to the heart wall to treat atrial fibrillation. In particular, the present invention provides instruments and methods for forming transmural lesions in the left atrium, such as the so-called “left isthmus block,” from within the coronary sinus.

대표청구항 ▼

What is claimed is: 1. A method for treating atrial fibrillation on a beating heart, the method comprising: positioning a portion of an ablation instrument within the coronary sinus; activating the ablation instrument to form an ablative lesion in left atrial tissue, the lesion extending to the mitral valve annulus; and forming a lesion encircling the pulmonary veins with a separate epicardial device; wherein the step of activating the ablation instrument further comprises directing ablative energy to form a lesion that extends from the lesion encircling the pulmonary veins to the mitral valve annulus. 2. A method for treating atrial fibrillation on a beating heart, the method comprising: positioning a portion of an ablation instrument within the coronary sinus; activating the ablation instrument to form an ablative lesion in left atrial tissue solely from within the coronary sinus, the lesion extending to the mitral valve annulus; and deploying an expandable balloon to secure the position of the ablation instrument within the coronary sinus during at least a portion of the ablation, wherein the balloon is asymmetrical to deliver ablative energy in a controlled direction. 3. A method for treating atrial fibrillation, the method comprising: forming an incision in the right atrial appendage of the right atrium; introducing a distal end of an ablation instrument though the incision and into the coronary sinus; and activating the ablation instrument to deliver ablative energy solely from within the coronary sinus to form a lesion extending from the pulmonary veins to the mitral valve annulus. 4. A method for treating atrial fibrillation, the method comprising: forming an incision in the right atrium; introducing a distal end of an ablation instrument though the incision and into the coronary sinus; activating the ablation instrument to deliver ablative energy to form a lesion extending from the pulmonary veins to the mitral valve annulus; and forming a lesion encircling the pulmonary veins with a separate epicardial device; wherein the lesion extending from the pulmonary veins to the mitral valve annulus extends to the lesion encircling the pulmonary veins.

이 특허에 인용된 특허 (111)

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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

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연합인증

Ablative treatment of atrial fibrillation via the coronary sinus 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허에 인용된 특허 (111)

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연합인증

Ablative treatment of atrial fibrillation via the coronary sinus 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허에 인용된 특허 (111)

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특허 원문 보기

IPC 상위 출원인

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