Connector for multiconductor pacing leads
First Claim
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1. A connector pin assembly, comprising:
- an elongated conductive connector pin having a proximal end and a distal end;
a first insulative sheath coaxially mounted around said connector pin, said first insulative sheath terminating proximal to the distal end of said connector pin;
first connector ring mounted around said first insulative sheath, said first connector ring having a proximal end a distal end, the distal end of said first connector ring terminating proximal to the distal end of said connector pin;
a first conductive extension electrically and mechanically coupled to the distal end of said connector ring and extending distally therefrom;
a first electrical conductor coupled to the distal end of said connector pin; and
a second conductor electrically and mechanically coupled to the distal end of said extension.
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Abstract
A cardiac pacing lead having a plurality of individually insulated conductors arranged as a multifilar coil. The lead includes a connector assembly and a ring electrode assembly, each of which are optimized for use in conjunction with conductors arranged in the form of a multifilar coil. The connector assembly takes the form of an in-line connector having a plurality of linearly arranged connecting surfaces, each coupled to one of the conductors in the multifilar coil. The ring electrode assembly is constructed such that it displays the same outer diameter as the pacing lead. In both assemblies, conductors are coupled by means of welds, rather than by crimping or swaging.
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Citations
7 Claims
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1. A connector pin assembly, comprising:
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an elongated conductive connector pin having a proximal end and a distal end; a first insulative sheath coaxially mounted around said connector pin, said first insulative sheath terminating proximal to the distal end of said connector pin; first connector ring mounted around said first insulative sheath, said first connector ring having a proximal end a distal end, the distal end of said first connector ring terminating proximal to the distal end of said connector pin; a first conductive extension electrically and mechanically coupled to the distal end of said connector ring and extending distally therefrom; a first electrical conductor coupled to the distal end of said connector pin; and a second conductor electrically and mechanically coupled to the distal end of said extension. - View Dependent Claims (2, 3, 4, 5)
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6. An implantable electrical lead, comprising:
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first and second mutually insulated elongated conductors having proximal and distal ends; a first elongated insulative sheath covering said first and second conductors; and a connector pin assembly mounted to the proximal end of said first and second conductors, comprising; a connector pin having a proximal end and a distal end; a second insulative sheath mounted around said connector pin, terminating proximal to the distal end of said connector pin and terminating distal to the proximal end of said connector pin; a connector ring mounted around said connector pin and said second insulative sheath, said connector ring terminating proximal to the distal end of said connector pin and distal to the proximal end of said first insulative sheath; a conducive extension coupled to said connector ring, extending distally from said connector ring to a point distal to the distal end of said connector pin; and a third insulative sheath extending distally from said connector ring and enclosing said conductive extension; and wherein said first and second conductors are electrically coupled to the distal end of said connector pin and to said conductive extension, respectively. - View Dependent Claims (7)
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Specification