Occlusion device

Details Occlusion device Occlusion device

1977-04-01

1978-12-19

Truluck, Dalton L.

Surgery

Truss

Pad

128348, A61M 2500

Patent

active

041301196

ABSTRACT:
A device for occluding a fluid passageway such as a blood vessel, particularly a human blood vessel, which is of the balloon type, adapted to be inserted, by means of a catheter structure, into a blood vessel and moved thereby to the desired point of occlusion, at which the ballon is expanded by means of a fluid conducted through the catheter, thereby firmly securing the occlusion device to the vessel side wall. Novel means are provided, including a dual valve mechanism for insuring the retention of the expanding fluid in the device, thereby providing efficient sealing of the balloon to substantially eliminate the possibility of fluid leakage upon separation of the occluding device from the inserting catheter structure. The invention also provides novel means for insuring firm attachment of the occlusion device to the adjacent end of the catheter structure, which prevents an undesired inadvertent separation between the occluding device and the catheter until the occluding operation is completed, with such results being achieved by utilization of the fluid conducting needle as a locking element of the connection and at the same time the actuating element for opening the valves of the occluding device.

REFERENCES:
patent: 3795246 (1974-03-01), Sturgeon
patent: 3812841 (1974-05-01), Isaacson
patent: 3834394 (1974-09-01), Hunter et al.
patent: 3923065 (1975-12-01), Nozick et al.

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