Method to make tube-in-tube balloon
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United States of America Patent
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Oct 25, 2011
Grant Date -
Sep 6, 2007
app pub date -
Mar 2, 2006
filing date -
Mar 2, 2006
priority date (Note) -
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Abstract
A tube-in-tube assembled parison for preparation of an elongated medical device. The parison if formed by assembling in tube-in-tube fashion a first tube of orientable polymer material and a second tube formed of orientable polymer material disposed around the first tube, with an adhesive tie layer disposed between the first and second tubes. The tubes are brought into contact to form a unitary parison. The adhesive may allow movement between the polymer layers during balloon blowing. The first tube, or the second tube, or both, may have been longitudinally pre-stretched after formation thereof but before assembly of the parison.
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