Method for making a drug delivery balloon catheter
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United States of America Patent
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-
Dec 6, 1994
Issued Date -
N/A
app pub date -
Nov 19, 1993
filing date -
Jan 4, 1991
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A balloon catheter includes a sheath surrounding the balloon, the sheath having a longitudinal line of weakness and a drug-containing viscous matrix material intermediate between the balloon and the sheath such that when the balloon is positioned and inflated in the body lumen it causes the sheath to burst at the line of weakness and release viscous matrix material onto said body lumen. The device provides accurate placement of the dosage required at the location in need of treatment. The catheter is especially useful in balloon angioplasty procedures.
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