BALLOON CATHETER WITH ROTATABLE ENERGY STORING SUPPORT MEMBER Abstract of the Disclosure An intra-aortic balloon adapted to be percutaneouslyinserted into a blood vessel in which the balloon and its supportmember are twisted as the balloon envelope is wrapped around itssupport member before insertion into the vessel to reduce thediameter of the balloon envelope. The support member is twistedas the balloon is wrapped, thereby storing energy which, urgesthe unwrapping of the balloon in the vessel. In one embodiment,the support member is hollow to permit a guide wire to passtherethrough so that placement of the balloon within the humanbody may be done with greater precision and the hollow supportmember permits the injection of a radiopaque fluid so that theballoon can be viewed within the vessel, thereby assisting in theplacement of the balloon. In another embodiment, a solid energystorage support member with a highly flexible distal portionprovides an intra-aortic balloon of enhanced pliability.

Title
Sonde a ballonnet
Balloon catheter with rotatable energy storing support member
Application Number
389128
Publication Number
1178148
Application Date
October 30, 1981
Publication Date
November 20, 1984
Inventor
Wolvek Sidney
Hanson Bruce L
Agent
SMART & BIGGAR
Assignee
Datascope
IPC
A61B 19/00
A61M 01/10
A61H 01/00
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