US2020345989A1PendingUtilityA1

Apparatus and methods for applying radiopaque identifiers to balloons

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Assignee: CLEARSTREAM TECH LTDPriority: Aug 28, 2013Filed: Jul 22, 2020Published: Nov 5, 2020
Est. expiryAug 28, 2033(~7.1 yrs left)· nominal 20-yr term from priority
Inventors:Hiep DoAndrew SchafferPaul Fillmore
B29C 49/04114B29L 2031/7543B29C 51/008A61M 2025/1079A61M 25/1029B29K 2105/258A61M 2025/1031A61M 25/10B29C 48/301B29C 48/09B29C 48/0022B29C 48/0017B29C 49/04
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Claims

Abstract

A medical balloon is provided for which the working surface may be identified during an inverventional procedure with enhanced precision. Related methods of manufacturing such a balloon are also disclosed.

Claims

exact text as granted — not AI-modified
1 . A method of forming a medical balloon ( 12 ), comprising:
 forming the medical balloon ( 12 ) having radiopaque and non-radiopaque portions using a rotating die,   wherein the radiopaque material is applied so as to identify a working surface (W) of the medical balloon ( 12 ), either by defining the edges of the working surface (W), extending along the working surface (W), or extending along portions of the balloon other than the working surface (W).   
     
     
         2 . The method of  claim 1 , wherein the forming step comprises:
 creating a balloon parison ( 60 ) using the rotating die; and   blow molding the balloon parison ( 60 ) into the medical balloon ( 12 ).

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