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Stand with self-deployable portion

A one-part, main body technology, which is applied in the field of medical devices and balloon-expandable stents, can solve the problems of limited and complex long-term treatment effects at the injury site

Inactive Publication Date: 2008-01-09
TRIREME MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] For these reasons and others, current treatments for bifurcation lesions are limited in the complexity of lesions that can be treated and in providing long-term outcomes for patients

Method used

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Examples

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Embodiment Construction

[0040] The present invention is a balloon expandable stent for bifurcation and opening lesions. The term bifurcation in this patent includes all types of bifurcation lesions (sites) and lesions (sites) adjacent to bifurcations in blood vessels, or all types of opening lesions (including aortic ostia and juncture sites).

[0041] The stent has a tubular structure and includes a balloon-expandable body capable of supporting a main blood vessel. It has a portion that expands out corresponding to the expansion of the main body to at least partially enter the side branch vessel and support the side branch opening, the portion being deployed without the need for an additional dilatation balloon. Deployment can be achieved with additional balloons, if desired.

[0042] An example of a bifurcated stent design 10 is shown in FIG. 1 as a two-dimensional uncrimped flat shape. Other structural features of the stent 10 are shown in FIG. 2 , while FIG. 3 shows the same stent 10 mounted on...

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Abstract

The present invention provides methods and devices for placement of a stent in a bifurcation or ostial lesion. The stent comprises a main body and a flaring portion. The main body is designed to expand and support a main vessel while the flaring portion deploys at least partially in response to expansion of the main body and is designed to open into and support a side branch or bifurcation ostium area. The stent may also comprise a therapeutic agent which can be delivered to a blood vessel.

Description

[0001] Cross-references to related applications [0002] This application is a non-provisional application the disclosure of which relates to and claims priority to the following earlier provisional applications: 60 / 740,935 filed November 29, 2005 (Attorney Docket No. 022246-000230US); filed August 30, 2005 60 / 712,949 (Attorney Docket No. 022246-000220US), filed on May 24, 2005 (Attorney Docket No. 022246-000210US); and 60 / 643,062 (Attorney Docket No. 022246-000200US), the entire disclosure of which is incorporated herein by reference. Background of the invention [0003] 1. Technical field. The present invention relates to medical devices, and more particularly to medical devices for treating narrowing of blood vessels at or adjacent to bifurcation lesions. [0004] Stenting is a conventional medical procedure primarily used in angioplasty of narrowed blood vessels, in which a blocked artery is dilated and a stent is placed in the artery to maintain the postoperative paten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/06A61F2/82
CPCA61F2/954A61F2/91A61F2002/9155A61F2002/91525A61F2002/91558A61F2/856A61F2/958A61F2002/91533A61F2002/821A61F2/915A61F2002/91508A61F2002/91516
Inventor T·费尔德E·康斯坦丁诺
Owner TRIREME MEDICAL
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