Detachment mechanisms for implantable devices
First Claim
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1. A detachment mechanism for an implantable device, the detachment mechanism comprising:
- at least one material that changes configuration upon application of heat or electrical energy, wherein the change in configuration releases the implantable device, and further wherein if the material extends into a lumen of the implantable device, the material directly contacts at least a portion the implantable device.
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Abstract
Disclosed herein are detachment mechanisms for vaso-occlusive devices that allow for rapid operator-controlled release of the vaso-occlusive device into the selected site. Also disclosed are vaso-occlusive assemblies comprising these detachment mechanisms and methods of using these detachment mechanisms and vaso-occlusive assemblies.
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Citations
18 Claims
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1. A detachment mechanism for an implantable device, the detachment mechanism comprising:
at least one material that changes configuration upon application of heat or electrical energy, wherein the change in configuration releases the implantable device, and further wherein if the material extends into a lumen of the implantable device, the material directly contacts at least a portion the implantable device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 18)
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12. A detachment mechanism adapted to detachably engage a vaso-occlusive device, the detachment mechanism comprising
an element that changes configuration upon application of electrical current or heat; - and
means for applying electrical current or heat to the change the configuration of the element. - View Dependent Claims (17)
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Specification