Tracheal stent

a tracheal stent and endoprosthesis technology, applied in the field of medical devices, can solve the problems of large trauma to the body lumen, easy migration of fully covered endoprostheses through the body lumen,

Inactive Publication Date: 2016-05-12
BOSTON SCI SCIMED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0045]The above summary of some embodiments is not intended to describe each disclosed embodiment or every implementation of

Problems solved by technology

However, if it is desired to remove the endoprosthesis at some later time, the ingrown tissue must be cut away, causing

Method used

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Embodiment Construction

[0056]For the following defined terms, these definitions shall be applied, unless a different definition is given in the claims or elsewhere in this specification.

[0057]All numeric values are herein assumed to be modified by the term “about”, whether or not explicitly indicated. The term “about” generally refers to a range of numbers that one of skill in the art would consider equivalent to the recited value (e.g., having the same function or result). In many instances, the terms “about” may include numbers that are rounded to the nearest significant figure.

[0058]The recitation of numerical ranges by endpoints includes all numbers within that range (e.g. 1 to 5 includes 1, 1.5, 2, 2.75, 3, 3.80, 4, and 5).

[0059]As used in this specification and the appended claims, the singular forms “a”, “an”, and “the” include plural referents unless the content clearly dictates otherwise. As used in this specification and the appended claims, the term “or” is generally employed in its sense inclu...

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Abstract

Tracheal stents may include a plurality of wave form structures each extending radially about the support structure, a plurality of axial loop members extending axially between adjacent wave form structures and a polymeric covering disposed thereover. Tracheal stents may include an expandable metal structure and a plurality of spacer fins extending above an outer surface of the expandable metal structure. The plurality of spacer fins may be formed of a material different than that of the expandable metal structure.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority under 35 U.S.C. §119 to U.S. Provisional Application Ser. No. 62 / 076,181, filed Nov. 6, 2014, the entirety of which is incorporated herein by reference.TECHNICAL FIELD[0002]The present disclosure pertains to medical devices, and methods for manufacturing medical devices. More particularly, the present disclosure pertains to endoprostheses such as tracheal stents.BACKGROUND[0003]An endoprosthesis may be configured to be positioned in a body lumen for a variety of medical applications. For example, an endoprosthesis may be used to treat a stenosis in a blood vessel, used to maintain a fluid opening or pathway in the vascular, urinary, biliary, tracheobronchial, esophageal or renal tracts, or to position a device such as an artificial valve or filter within a body lumen, in some instances. Bare or partially covered endoprostheses allow tissue ingrowth through the structure of the endoprosthesis to prevent mig...

Claims

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Application Information

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IPC IPC(8): A61F2/89A61F2/844A61F2/915A61F2/04
CPCA61F2/89A61F2/04A61F2/844A61F2220/0008A61F2002/046A61F2210/0004A61F2210/0014A61F2/915A61F2/07A61F2002/043A61F2002/91558A61F2002/91566A61F2002/91575A61F2002/91583
Inventor LEANNA, GARY J.SEDDON, DANE T.WEINER, JASONO'SHAUGHNESSY, SEAMUS F.FLEURY, SEAN P.
Owner BOSTON SCI SCIMED INC
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