Electrode lead
First Claim
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1. An electrode lead comprisingan elongated tubular body;
- an electrically conductive tip mounted in a distal end of said body;
a plurality of tines disposed about said tip, each said tine being fixedly secured at one end relative to said tip;
a plurality of struts connected to and between said tines and said body to permit movement of said tines between a retracted position towards said body and an extended position away from said body; and
means extending within said body and connected to said tip for moving said tip relative to said body to cause said tines to move between said positions.
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Abstract
The electrode lead is provided with a tine assembly having tines which can be actively moved back and forth between a retracted position and an extended position. The tines are mounted on an electrode tip which is movable relative to an elongated tubular body and are fixed to the body so that upon movement of the tip relative to the body, the tines can be moved between the retracted and extended positions. A threaded rod which is rotatably mounted within the elongated body is used to move the conductive electrode tip relative to the non-conductive tubular body.
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Citations
27 Claims
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1. An electrode lead comprising
an elongated tubular body; -
an electrically conductive tip mounted in a distal end of said body; a plurality of tines disposed about said tip, each said tine being fixedly secured at one end relative to said tip; a plurality of struts connected to and between said tines and said body to permit movement of said tines between a retracted position towards said body and an extended position away from said body; and means extending within said body and connected to said tip for moving said tip relative to said body to cause said tines to move between said positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electrode lead comprising
an elongated tubular body for passage through a vessel; -
an electrically conductive tip mounted at a distal end of said body; a tine assembly mounted on said tip and including a plurality of tines fixedly secured at one end thereof relative to said tip and movably secured at an intermediate point thereof relative to said body for movement between a retracted position against said body and an extended position away from said body; and means extending within said body and connected to said tip for moving said tip relative to said body to cause said tines to move between said positions. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. In an electrode lead, the combination comprising
an elongated tubular body; -
an electrically conductive tip at a distal end of said body; a tine assembly including a plurality of tines mounted on said tip for movement between a retracted position against said body and an extended position away from said body; and means connecting said tines at intermediate points thereof to said body; and means extending within said body for moving said tines between said positions. - View Dependent Claims (21, 22)
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23. In an electrode lead, the combination comprising
an elongated tubular body; -
an electrically conductive tip at a distal end of said body; a plurality of tines mounted for movement between a retracted position against said body and an extended position away from said body to secure said tip in electrical contact with endocardial tissue; means connecting said tines at intermediate points thereof to said body; and means extending within said body for moving said tines between said positions. - View Dependent Claims (24, 25, 26, 27)
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Specification