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Optimized catheter sheath for Rx catheter

A catheter and sheath technology, applied in the field of optimized catheter sheath, can solve the problems that hinder the good navigation of the catheter

Pending Publication Date: 2022-02-18
CANON USA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, if the catheter is designed to be used with an imaging core, the imaging core may help or hinder good navigation of the catheter within tortuous anatomy

Method used

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  • Optimized catheter sheath for Rx catheter
  • Optimized catheter sheath for Rx catheter
  • Optimized catheter sheath for Rx catheter

Examples

Experimental program
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Embodiment Construction

[0023] The following description of certain examples and embodiments of an optimized catheter sheath having a rapid exchange section should not be used to limit the scope of the claims. Throughout the drawings, unless otherwise indicated, the same reference numerals and characters are used to represent the same features, elements, components or parts of the illustrated embodiments. Also, while the present disclosure has been described in detail with reference to the accompanying drawings, this is done in conjunction with the illustrative exemplary embodiments. It is intended that changes and modifications may be made to the described exemplary embodiments without departing from the true scope and spirit of the subject disclosure as defined by the appended claims. Although the drawings illustrate some possible configurations and methods, the drawings are not necessarily to scale and certain features may be enlarged, removed, or partially sectioned to better illustrate and expla...

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Abstract

A catheter configured for placement within a body lumen, comprises a catheter sheath defining a first lumen for a medical tool; and an exchange section defining a second lumen for a guide wire. The proximal end of the exchange section and the distal end of the catheter sheath are joined at an angle therebetween in the longitudinal direction such that the second lumen is laterally offset by a distance and at an angle from the first lumen. When the catheter is placed within the patient's anatomy, the catheter sheath and / or the exchange section unfolds such that the axis of the second lumen and the axis of the first lumen become substantially parallel to each other. The offset distance between the axis of the sheath and the axis of the exchange section is based on one or more of the diameter of the guide wire to be used, the diameter of the sheath, and the angle of the junction.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application No. 63 / 062202, filed August 6, 2020, the contents of which are hereby incorporated by reference in their entirety. technical field [0003] The present disclosure generally relates to medical devices. More specifically, the present disclosure exemplifies optimized catheter sheaths suitable for rapid exchange catheters and the like. Background technique [0004] Catheters include thin, elongated tubular (tube-shaped) instruments made of biocompatible materials and configured to be inserted into a patient's body for diagnostic or therapeutic purposes in a medical procedure known as "catheterization." Various medical catheterization procedures involve the use of a long guidewire over which a flexible catheter can be threaded so that the guidewire can guide the catheter to an intended target location within the patient's body. Intravascular catheterization ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/00A61M25/09
CPCA61M25/0021A61M25/0023A61M25/005A61M25/0054A61M25/0067A61M25/0068A61M25/0074A61M25/008A61M25/0082A61M25/09A61M2025/0063A61M2025/0081A61M2025/09175A61M2025/0183A61M25/0169A61M2025/0177A61M25/0053A61M25/0108A61M25/01A61M25/0069A61B1/07A61B1/0615A61B1/01A61B1/00071A61B5/0073A61B5/0084A61B5/6852A61B8/12A61B8/445A61M25/0026A61M25/0045A61M25/0158A61M2025/0058A61M2025/0059
Inventor M·A·哈姆A·H·邓菲
Owner CANON USA