Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1993-11-19
1994-12-06
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604265, A61M 2900
Patent
active
053706145
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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"Direct Intaarterial Wall Injection of Microparticles via a Catheter: A Potential Drug Delivery Strategy Following Angioplasty", by Wilensky, et al., in American Heart Journal, Oct. 1991.
Amundson Rodney R.
Dror Michael
Hull Vincent W.
Schwartz Robert S.
Latham Daniel W.
Maglione Corrine
Medtronic Inc.
Patton Harold R.
Rosenbaum C. Fred
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