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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0500115 (1995-07-10) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 940 인용 특허 : 0 |
An acoustic imaging system for use within a heart has a catheter, an ultrasound device incorporated into the catheter, and an electrode mounted on the catheter. The ultrasound device directs ultrasonic signals toward an internal structure in the heart to create an ultrasonic image, and the electrode
An acoustic imaging system for use within a heart has a catheter, an ultrasound device incorporated into the catheter, and an electrode mounted on the catheter. The ultrasound device directs ultrasonic signals toward an internal structure in the heart to create an ultrasonic image, and the electrode is arranged for electrical contact with the internal structure. A chemical ablation device mounted on the catheter ablates at least a portion of the internal structure by delivery of fluid to the internal structure. The ablation device includes a material that vibrates in response to electrical excitation, the ablation being at least assisted by vibration of the material. The ablation device may alternatively be a transducer incorporated into the catheter, arranged to convert electrical signals into radiation and to direct the radiation toward the internal structure. The electrode may be a sonolucent structure incorporated into the catheter, through which the ultrasound device is arranged to direct signals. An acoustic marker mounted on the catheter emits a sonic wave when electrically excited. A central processing unit creates a graphical representation of the internal structure, and super-imposes items of data onto the graphical representation at locations that represent the respective plurality of locations within the internal structure corresponding to the plurality of items of data. A display system displays the graphical representation onto which the plurality of items of data are super-imposed.
An acoustic imaging system for use within a body of a living being, comprising: an elongated, flexible catheter constructed to be inserted into said body of said living being, an ultrasound device movable within said elongated, flexible catheter, a chemical ablation device mounted on a distal portio
An acoustic imaging system for use within a body of a living being, comprising: an elongated, flexible catheter constructed to be inserted into said body of said living being, an ultrasound device movable within said elongated, flexible catheter, a chemical ablation device mounted on a distal portion of said elongated, flexible catheter, and a plurality of electrical conductors extending from a proximal portion of said elongated, flexible catheter to said distal portion, at least two of said plurality of electrical conductors being connected to said ultrasound device, said ultrasound device being arranged to direct ultrasonic signals toward an internal structure within said body of said living being for the purpose of creating an ultrasonic image of said internal structure, and said chemical ablation device being arranged to ablate at least a portion of said internal structure imaged by said ultrasound device by delivery of fluid to said internal structure, said chemical ablation device being arranged to cause ablation solely by fluid delivery only.
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