Surgery – Truss – Perineal
Patent
1984-06-11
1987-03-03
Truluck, Dalton L.
Surgery
Truss
Perineal
128344, A61B 1900
Patent
active
046467190
ABSTRACT:
A balloon catheter is disclosed which is flexible yet transmits positive torque when rotated in the direction for unwrapping the balloon. The balloon catheter comprises a hollow catheter having a proximate end and a distal end, an inflatable and deflatable balloon having a proximate end and a distal end, said proximate end of the balloon being sealably attached to the distal end of the catheter for admitting fluid (generally a gas) and withdrawing fluid from the balloon, and a flexible central lumen disposed within said hollow catheter and having a proximate end and a distal end, said distal end of said central lumen being sealably attached to the distal end of the balloon, said central lumen comprising a flexible core wrapped spirally with a spring-like material so that the wrapped core can transmit positive torque when rotated in one direction. Preferably, the flexible core is made of a polymeric or elastomeric tube so that access to the aorta can be obtained through it.
REFERENCES:
patent: 3585983 (1971-06-01), Kantrowitz et al.
patent: 4276874 (1981-07-01), Wolvek et al.
patent: 4362150 (1982-12-01), Lombardi et al.
patent: 4402307 (1983-09-01), Hanson et al.
patent: 4444186 (1984-04-01), Wolvek et al.
Lombardi Edward J.
Neuman Harold L.
Aries Medical Incorporated
Conlin David G.
Eisenstein Ronald I.
Neuner George W.
Truluck Dalton L.
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