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Catheter system

A catheter and inner catheter technology, applied in the field of catheter systems, can solve problems such as blocking blood flow

Active Publication Date: 2016-01-06
BOSTON SCI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the clot is not removed, it may block blood flow

Method used

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Examples

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Embodiment Construction

[0019] figure 1 A catheter system 2 according to one embodiment of the invention is shown. As will be described in detail herein, catheter system 2 is used to provide pressurized fluid (eg, thrombolytic drugs) at multiple sites for removal or destruction of thrombi from blood vessels, such as arteries or veins. By providing direct delivery of pressurized fluid along multiple sites, the pressurized fluid penetrates the clot more efficiently and reduces procedure time compared to other methods. In one example, thrombolytic drugs delivered to blood vessels include, but are not limited to, cytolytic drugs (e.g., tissue plasminogen activator (tPA)), or other agents that interact with and actively reduce thrombus size (e.g., , destroy, remove, minimize or eliminate) drugs. In some instances, after catheter system 2 delivers cytolytic or other drugs to actively reduce the size of the thrombus, a thrombectomy catheter is used to further macerate and aspirate any remaining thrombus ...

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Abstract

A multi-station hydrodynamic catheter includes an outer catheter having a first lumen, the outer catheter having a plurality of orifice stations positioned along a portion of the outer catheter, where each orifice station includes one or more orifices extending from an outer catheter external surface to the first lumen. The multi-station hydrodynamic catheter includes an inner catheter having a second lumen, the inner catheter movable within the first lumen and includes at least one emanator, where the at least one emanator includes one or more fluid delivery ports extending from an inner catheter external surface to the second lumen.

Description

technical field [0001] This document generally relates to, but is not limited to, catheter systems used to remove blockages in blood vessels of patients. Background technique [0002] Thrombectomy is a medical procedure used to remove a blood clot (eg, thrombus) from a blood vessel, such as an artery or vein. If the clot is not removed, it can block blood flow. In one technique, the thrombus can be removed by a thrombectomy procedure such as thrombolysis that destroys the thrombus by pharmacological means. Thrombolysis brings thrombolytic drugs to the site of the blood clot. Thrombolytic drugs are capable of interacting with a thrombus and actively reducing the size (eg, destroying, removing, minimizing, or eliminating) of the thrombus. Contents of the invention [0003] The invention recognizes, among other things, that the technical problem to be solved consists in reducing the time of the thrombectomy procedure without sacrificing the efficiency of the procedure. Fo...

Claims

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Application Information

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IPC IPC(8): A61B17/3203
CPCA61M5/007A61B2017/22084A61M2025/0004A61M2025/006A61M2025/0175A61B17/22A61B17/32037A61B2017/00991A61M2025/0079A61M25/007A61M25/01A61M5/142A61M2025/0008A61M25/0105
Inventor 迈克尔·J·波内特雷夫·E·利尔法姆
Owner BOSTON SCI LTD
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