Detachable device with electrically responsive element
First Claim
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1. A detachable endovascular device assembly, comprising:
- a delivery member to deliver the detachable endovascular device assembly to an aneurysm in a body;
a detachable endovascular device including a thermo-resistive element to deliver heat to the detachable endovascular device with passage of a first electrical current through the thermo-resistive element and the detachable endovascular device adapted to take a predetermined shape as a result of the heating; and
a detachable joint joining the detachable endovascular device to the delivery member and adapted to separate to deploy the detachable endovascular device into the aneurysm for embolization thereof, and the detachable joint comprises an electrolytic sacrificial joint joining the detachable endovascular device and the delivery member and adapted to separate with passage of a second electrical current therethrough to deploy the detachable endovascular device into the aneurysm for embolization thereof.
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Abstract
An endovascular device assembly includes a delivery member to deliver the assembly endoluminally to an aneurysm, a detachable endovascular device including a thermo-resistive element to deliver heat to the device by passing a first electrical current through the thermo-resistive element, whereupon the device expands to a predetermined shape. The endovascular device is connected to the delivery member by a detachable joint, such as an electrolytic sacrificial joint that separates by passing a second electrical current therethrough, to deploy the device within the aneurysm to promote embolization.
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Citations
14 Claims
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1. A detachable endovascular device assembly, comprising:
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a delivery member to deliver the detachable endovascular device assembly to an aneurysm in a body;
a detachable endovascular device including a thermo-resistive element to deliver heat to the detachable endovascular device with passage of a first electrical current through the thermo-resistive element and the detachable endovascular device adapted to take a predetermined shape as a result of the heating; and
a detachable joint joining the detachable endovascular device to the delivery member and adapted to separate to deploy the detachable endovascular device into the aneurysm for embolization thereof, and the detachable joint comprises an electrolytic sacrificial joint joining the detachable endovascular device and the delivery member and adapted to separate with passage of a second electrical current therethrough to deploy the detachable endovascular device into the aneurysm for embolization thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A detachable device assembly for treating a patient, comprising:
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a delivery member to deliver an electrolytically detachable device assembly to a target location within a patient, the detachable device including an electrically responsive element activatable by passing a first electrical current through the electrically responsive element; and
a detachable joint joining the detachable device to the delivery member and adapted to separate to deploy the detachable device from the delivery member, the detachable joint comprises an electrolytic sacrificial joint joining the detachable device and the delivery member and adapted to separate by passing a second electrical current therethrough to deploy the detachable device at the target location. - View Dependent Claims (13, 14)
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Specification