High reliability wire welding for implantable devices
First Claim
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1. A method of connecting leads to an implantable pulse generator, wherein the implantable pulse generator comprises:
- a biocompatible housing;
a plurality of biocompatible wires extending from the biocompatible housing, wherein each of the biocompatible wires comprises a longitudinal axis; and
a feedthrough, wherein the feedthrough and the biocompatible housing together define a sealed volume, and wherein the biocompatible wires extend through the feedthrough;
positioning one of the biocompatible wires and a connecting piece such that the one of the biocompatible wires and the connecting piece contact;
resistance welding one of the biocompatible wires and the connecting piece together; and
energy beam welding the one of the biocompatible wires and the connecting piece together.
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Abstract
Methods of making an implantable pulse generator are disclosed herein. The implantable pulse generator can include a body defining an internal volume and a plurality of wires extending from out of the internal volume of the body. Some of these wires can be connected, either directly or indirectly to a lead via a welded joint. The welded joint can be created by first resistance welding and then laser welding some of the wires to a connector.
179 Citations
32 Claims
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1. A method of connecting leads to an implantable pulse generator, wherein the implantable pulse generator comprises:
- a biocompatible housing;
a plurality of biocompatible wires extending from the biocompatible housing, wherein each of the biocompatible wires comprises a longitudinal axis; and
a feedthrough, wherein the feedthrough and the biocompatible housing together define a sealed volume, and wherein the biocompatible wires extend through the feedthrough;positioning one of the biocompatible wires and a connecting piece such that the one of the biocompatible wires and the connecting piece contact; resistance welding one of the biocompatible wires and the connecting piece together; and energy beam welding the one of the biocompatible wires and the connecting piece together. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- a biocompatible housing;
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17. An implantable pulse generator comprising:
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a biocompatible housing; a plurality of biocompatible wires extending from the biocompatible housing, wherein each of the biocompatible wires comprises a longitudinal axis; a feedthrough, wherein the feedthrough and the biocompatible housing together define a sealed volume, and wherein the biocompatible wires extend through the feedthrough; and a conductive connecting piece welded to one of the biocompatible wires, wherein the conductive connecting piece is joined to one of the biocompatible wires at a joint via a first weld and a second weld, wherein the second weld is offset from the longitudinal axis of the one of the biocompatible wire or at the end of the biocompatible wire. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of connecting leads to an implantable pulse generator, wherein the implantable pulse generator comprises:
- a biocompatible housing;
an array of biocompatible wires extending from the biocompatible housing, wherein each of the biocompatible wires comprises a longitudinal axis; and
a feedthrough, wherein the feedthrough and the biocompatible housing together define a sealed volume, and wherein the biocompatible wires extend through the feedthrough;resistance welding each of the biocompatible wires of the array of biocompatible wires to a connecting piece; and energy beam welding each of the biocompatible wires of the array of biocompatible wires to the connecting piece. - View Dependent Claims (29, 30, 31, 32)
- a biocompatible housing;
Specification