Intravascular ultrasonic imaging catheter and system with foresight capability

An ultrasound imaging and vascular technology, applied in catheters, ultrasound/sonic/infrasonic Permian technology, ultrasound/sonic/infrasound image/data processing, etc., can solve problems affecting guidance, large intima, inferior hematoma, etc , to achieve the effect of finding and confirming the true cavity, improving the quality, simple and fast operation

Pending Publication Date: 2021-07-23
SONOSEMI MEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present application provides an intravascular ultrasound imaging catheter and system with forward-looking ability, which solves the problem of large subintimal hematoma or dissection and severe calcifica

Method used

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  • Intravascular ultrasonic imaging catheter and system with foresight capability
  • Intravascular ultrasonic imaging catheter and system with foresight capability
  • Intravascular ultrasonic imaging catheter and system with foresight capability

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Embodiment Construction

[0046] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, are only for explaining the present application, and should not be construed as limiting the present application.

[0047]In the description of the present application, it should be understood that the terms "first" and "second" are used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

[004...

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Abstract

The invention provides an intravascular ultrasonic imaging catheter and system with foresight capability. The catheter comprises a sheath tube (10), a guide wire cavity (20), a flexible driving shaft (30) and a transducer module, wherein the guide wire cavity (20) is arranged on the outer side surface of the sheath tube (10); the first end of the flexible driving shaft (30) is used for being electrically connected with a driving device (100), so that the flexible driving shaft (20) is driven by the driving device (100) to rotate in the sheath tube (10); the transducer module is arranged at the second end of the flexible driving shaft (20) and comprises a lateral ultrasonic device (41) and a forward ultrasonic device (42); and the lateral ultrasonic device and the forward ultrasonic device are both used for being electrically connected with an ultrasonic host (200) so as to transmit obtained imaging electric signals to the ultrasonic host or receive excitation electric signals transmitted by the ultrasonic host. The intravascular ultrasonic imaging catheter solves the problems that when a guide wire of a traditional intravascular ultrasonic imaging catheter penetrates, subintimal hematoma or interlayer may be caused, the guiding effect of the catheter is affected by serious calcification lesion, and the operation of guide wire penetrating is tedious and time-consuming.

Description

technical field [0001] The present application relates to the technical field of ultrasonic catheters, in particular to an intravascular ultrasonic imaging catheter and system with forward vision capability. Background technique [0002] Chronic total occlusion (CTO) lesions mostly refer to significant atherosclerosis of in situ coronary arteries (coronary arteries) leading to complete occlusion of blood vessels. Interventional therapy for chronic total occlusion is complex and demanding, and the guide wire penetration technique is the key to success. Ideally, during the operation of the CTO guide wire, try to ensure that the guide wire does not enter the subintimal space, but always advances in the vascular lumen (or called the true lumen). This is possible for CTO lesions with clear occlusion stumps and short occlusions (less than 20 mm). However, due to the lack of effective imaging methods for distinguishing true and false lumens and their positions, for calcified and t...

Claims

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Application Information

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IPC IPC(8): A61B8/00A61B8/08A61B8/12A61M25/00A61M25/01A61M25/09
CPCA61B8/4483A61B8/4494A61B8/0891A61B8/12A61B8/4461A61M25/0023A61M25/0045A61M25/01A61M25/09A61M2025/0047A61M2210/12A61M2210/005
Inventor 刘斌胡军何精才
Owner SONOSEMI MEDICAL CO LTD
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