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Tracking an intraluminal catheter

A catheter and lumen technology, used in the field of tracking catheters, can solve the problems of difficult catheter tracking and visualization, inaccurate tracking, etc., and achieve the effect of overcoming the shadow of the direct detection transducer

Inactive Publication Date: 2016-07-20
VOLCANO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Irrigation of blood vessels can make it especially difficult for automated image processing software (or even the human eye) to track and visualize the position of the catheter
Since the management of plaque buildup requires precise positioning of the catheter and avoids damage to the vessel wall, imprecise tracking of the catheter and / or transducer position with respect to the vessel can result in a very restricted vasculature for existing procedures

Method used

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  • Tracking an intraluminal catheter
  • Tracking an intraluminal catheter
  • Tracking an intraluminal catheter

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Embodiment Construction

[0032] Methods and systems are described herein by way of example, according to embodiments of the present invention, including an image data acquisition instrument and a data / image processor that generates a view on a single display that is simultaneously provided and viewed Intravascular images and positional information associated with an imaging probe (eg, IVUS transducer probe) mounted on a flexible elongate element (eg, catheter, guidewire, etc.). As described in more detail herein, systems according to the present disclosure are configured to precisely track the position of an intravascular imaging catheter within a blood vessel during diagnostic and / or interventional procedures based at least in part on radiolucent characteristics of the catheter.

[0033] First refer to figure 1 , an exemplary system is schematically depicted for carrying out the present invention in the form of co-registration of angiography / fluoroscopy and intravascular ultrasound images. Radiology...

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Abstract

The invention generally relates to intraluminal imaging and methods of tracking one or more portions of a catheter during diagnostic and / or interventional treatment procedures based, at least in part, on a radiolucent feature of the catheter. The invention provides co-registration systems and methods for intraluminal imaging in which a volume of radiolucent negative space within a catheter, generated via translation of a sensor within the catheter, is used to track the location of one or more portions of the catheter, particularly the sensor. Thus, when a vessel is flushed with radiopaque contrast media during angiography, the system provides an improved method of tracking the location of the sensor, which would otherwise be difficult to determine with conventional methods.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority from US Provisional Application Serial No. 61 / 905422, filed November 18, 2013, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to endoluminal procedures, and more particularly to tracking catheters during diagnostic and / or interventional procedures. Background technique [0004] In the coronary arteries, vascular disease involving narrowing of the lumen of the vessel, usually due to atherosclerotic plaque, leads to reduced blood supply to the heart muscle, angina (chest pain) and eventually myocardial infarction (heart failure). Various interventions in cardiovascular disease are currently available to identify and treat this narrowing of the vessel lumen. Examples of such treatments include balloon angioplasty and / or deployment of stents. Diagnostic imaging is used to identify the extent and / or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/05
CPCA61B5/6852A61B5/0066A61B5/0084A61B6/02A61B6/12A61B6/4014A61B6/4417A61B6/4441A61B6/481A61B6/487A61B6/504A61B6/5247A61B8/4416A61B8/445
Inventor N·J·肯普
Owner VOLCANO CORP
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