Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Patent
1992-06-26
1993-10-05
Rosenbaum, C. Fred
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
606170, 606194, 604 22, 604 96, A61B 1732
Patent
active
052500608
ABSTRACT:
An angioplasty apparatus for removing abnormal deposits such as atheromatic plaque from the internal arterial walls is provided. The apparatus includes an elongated, flexible mechanism for insertion in an artery to the location of plaque deposit. Two inflatable occluder balloons are provided to be positioned at either ends of the plaque section and inflated to seal off the section. A milling balloon is adapted to be positioned in the plaque section to be rotated and bear against an expandable milling surface which is gradually expanded as the plaque deposit is milled away. Because of the sealing balloons, the plaque particles are prevented from passing into the arterial stream and may be taken away through a tubular channel.
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patent: 5135531 (1992-08-01), Shiber
Carbo Paul L.
Setaro John F.
Hyde Edward R.
Lewis William
Rosenbaum C. Fred
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