Apparatus for the performance of an angioplasty of long duration

Details Apparatus for the performance of an angioplasty of long duration Apparatus for the performance of an angioplasty of long duration

1988-12-28

1991-10-15

Rosenbaum, C. Fred

Surgery

Instruments

Internal pressure applicator

604 99, A61M 2510

Patent

active

050571206

ABSTRACT:
An apparatus for the performance of an angioplasty of long duration comprises a catheter associated with a flexible guide rod and provided with a dilation bulb which is intended to be inflated at the required location. The opposite end of the catheter is connected to a perfusion pump, the operation of which is dependent on a control unit for synchronizing its operation with the electrocardiogram of the patient to be treated in order to carry out downstream of the dilation bulb a perfusion of blood or of oxygen-transporting physiological liquid at a variable flow rate corresponding to the physiological diastole and systole phases of the patient's heartbeat. To this end, the guide rod is mounted on the catheter or on the dilation bulb in order to avoid any interference with the circulation of liquid through the catheter and at the outlet of this latter, thus permitting perfusion of blood or of physiological liquid downstream of the dilation bulb throughout the period of inflation of the bulb.

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