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Device and method for ultrasonic imaging and laser ablation

An ultrasonic imaging and device technology, applied in the field of formal devices, can solve the problems of difficult to pass through and the volume of the catheter is large.

Inactive Publication Date: 2010-01-27
总线公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, Morantte's catheter was significantly bulkier and difficult to pass forward through the CTO

Method used

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  • Device and method for ultrasonic imaging and laser ablation
  • Device and method for ultrasonic imaging and laser ablation
  • Device and method for ultrasonic imaging and laser ablation

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Embodiment Construction

[0042] Several embodiments of the present invention are now described. Various structures, configurations, relationships, and functions may be stated as being related to or essential to one of several embodiments. However, those skilled in the art will appreciate that these structures, configurations, relationships and functions need not be generally related to or essential to the present invention.

[0043] First refer to figure 1 , shown is a schematic diagram illustrating one embodiment of a catheter 10 constructed in accordance with the principles of the present invention. Catheter 10 includes an elongated body 14, a connector 12 at its proximal end, and a cap 16 secured to body 14 at its distal end. A guidewire lumen 18 is associated with catheter 10 . A plurality of optical fibers are inserted into catheter body 14 . exist figure 1 , the fiber extends from section A to section B.

[0044] Figure 2A and Figure 2B Together represent one embodiment of a line fib...

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Abstract

Devices (10) (i.e., catheters and guidewires) for, and methods of, ultrasonic imaging and ablation. In one embodiment, a device includes : (1) a fiber-optic bundle (20) configured to carry laser light for ultrasonic imaging, each fiber of the fiber-optic bundle having a reflective layer oriented at an acute angle with respect thereto at a distal end thereof, (2) an elongated member associated with the fiber-optic bundle and configured to carry energy for ablation, the energy for ablation projecting past the distal end and (3) a photoacoustic layer (34) associated with the each fiber of the fiber-optic bundle and configured to receive at least some of the laser light for the ultrasonic imaging and generate ultrasonic pressure waves (48) in response thereto.

Description

[0001] (cross-reference to related application) [0002] This application is based on U.S. Provisional Application Serial No. 60 / 867415, filed Nov. 28, 2006, entitled "Catheter for Ultrasonic Imaging and Laser Ablation," by Zhou, who co-owns this application, and Zhou filed Jan. 10, 2007. Priority is claimed from US Provisional Application Serial No. 60 / 884,241 entitled "Catheter for Ultrasonic Imaging and Laser Ablation," which provisional applications are hereby incorporated by reference. This application is also a continuation-in-part of US Patent Application Serial No. 11 / 315,546, entitled "Image-Guided Laser Catheter," filed December 22, 2005 by Zhou, who co-owns this application, which is hereby incorporated by reference. technical field [0003] The present invention relates generally to the field of medical catheters and leads, and more particularly to devices and methods in the form of catheters or leads for ultrasound imaging and ablation. Background technique ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/89G01S7/524A61B8/12A61B18/24A61B19/00A61B18/22A61B18/26G10K15/04
CPCA61B5/02007A61B8/12A61B8/4483A61B8/4488A61B18/245A61B2018/00577A61B2018/2272G01S15/8965G10K15/046A61B2090/3784
Inventor 周贛
Owner 总线公司