Apparatus and method for deployment of a therapeutic device using a catheter
First Claim
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1. An apparatus for release and deployment of a therapeutic device within the vasculature of a patient, comprising:
- an elongated, flexible pusher member having an interior lumen;
a first connector member mounted to said elongated, flexible pusher member;
an elongated second connector member connected to a therapeutic device and detachably connected to the first connector member, said elongated second connector member thereby connecting the therapeutic device to the pusher member for placement of the therapeutic device within the vasculature, and said first connector member having a severable portion disposed within said elongated, flexible pusher member, the severable portion being capable of being broken by heating;
a heat source disposed in the interior lumen of the pusher member adjacent to said severable portion of said first connector member for heating said severable portion of said first connector member to cause said severable portion of said first connector member to break and release the elongated second connector member for detaching and deploying the therapeutic device from the flexible pusher member when a desired placement of the therapeutic device within the vasculature is achieved.
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Abstract
The apparatus for deployment of an intravascular therapeutic device, includes an elongated, flexible pusher member and a therapeutic device connected to a severable portion of a first connector member mounted to the flexible pusher member with an elongated second connector member connected to the therapeutic device. The first connector member or second connector member may be capable of being broken by heat, and a heat source is provided for heating and breaking the first connector member or the second connector member to release the therapeutic device.
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Citations
22 Claims
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1. An apparatus for release and deployment of a therapeutic device within the vasculature of a patient, comprising:
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an elongated, flexible pusher member having an interior lumen; a first connector member mounted to said elongated, flexible pusher member; an elongated second connector member connected to a therapeutic device and detachably connected to the first connector member, said elongated second connector member thereby connecting the therapeutic device to the pusher member for placement of the therapeutic device within the vasculature, and said first connector member having a severable portion disposed within said elongated, flexible pusher member, the severable portion being capable of being broken by heating; a heat source disposed in the interior lumen of the pusher member adjacent to said severable portion of said first connector member for heating said severable portion of said first connector member to cause said severable portion of said first connector member to break and release the elongated second connector member for detaching and deploying the therapeutic device from the flexible pusher member when a desired placement of the therapeutic device within the vasculature is achieved. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for release and deployment of a therapeutic device within the vasculature of a patient, the steps of the method comprising:
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providing an elongated, flexible pusher member having an interior lumen; providing a first connector member mounted to said elongated, flexible pusher member; providing an elongated second connector member connected to a therapeutic device and detachably connected to the first connector member, said elongated second connector member thereby connecting the therapeutic device to the pusher member for placement of the therapeutic device within the vasculature, at least one of said first and second connector members having a severable portion disposed within said elongated, flexible pusher member, the severable portion being capable of being broken by heating; positioning the therapeutic device at a desired placement within a patient'"'"'s vasculature; and heating said severable portion within said interior lumen of said flexible pusher member to break said severable portion for detaching and deploying the therapeutic device from the flexible pusher member when a desired placement of the therapeutic device within a patient'"'"'s vasculature is achieved. - View Dependent Claims (19, 20, 21, 22)
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Specification