Method For Manufacturing A Co-Axial Glass-To-Metal Seal For A Case-Neutral Electrochemical Cell

    公开(公告)号:US20250007056A1

    公开(公告)日:2025-01-02

    申请号:US18882266

    申请日:2024-09-11

    Abstract: A case-neutral electrochemical cell has an electrode assembly comprising a separator positioned between an anode and a cathode housed inside a casing. The casing supports a co-axial glass-to-metal seal (GTMS) comprising an inner insulating glass hermetically sealed to a terminal pin and to the inner annular surface of an inner ferrule. An outer insulating glass is hermetically sealed to the outer annular surface of the inner ferrule and the inner annular surface of an outer ferrule. The outer ferrule is secured to an opening in the casing. Two methods are described for manufacturing a co-axial GTMS depending on the melting temperatures of the inner and outer insulating glasses. Then, one of the anode and the cathode is connected to the terminal pin and the other of the anode and the cathode is connected to the inner ferrule. An electrolyte is provided in the casing to activate the electrode assembly.

    Strain-Relief/Lead Assembly Electrically And Mechanically Connected To An Active Medical Device

    公开(公告)号:US20240374905A1

    公开(公告)日:2024-11-14

    申请号:US18658314

    申请日:2024-05-08

    Abstract: An active medical device has a feedthrough comprising a ferrule sealed to a ceramic insulator supporting a short terminal pin and a long terminal pin that are connected to electronic components in the device housing. A silicone insulator residing in the ferrule abutting the ceramic insulator has first and second openings that house first and second metallic housings nesting respective coil springs. The metallic housings connected to the respective short and long terminal pins are axially aligned in the silicon insulator. A lead connector connected to a strain-relief for a lead supports a co-axial lead pin having electrically isolated center and circumferential outer conductors. When the lead connector/strain-relief subassembly is connected to the feedthrough, the center and circumferential conductors of the lead pin are electrically connected to the coil springs nested in the first and second metallic housings connected to the short and long terminal pins of the feedthrough.

    Auxiliary Strain Relief Member For The Lead Of An Active Implantable Medical Device

    公开(公告)号:US20240131347A1

    公开(公告)日:2024-04-25

    申请号:US18382716

    申请日:2023-10-22

    Applicant: Greatbatch Ltd

    CPC classification number: A61N1/3752

    Abstract: An active implantable medical device (AIMD) assembly has a medical device housing containing an electrical power source connected to control circuitry, and a header assembly connected to the device housing. The header assembly supports a plurality of co-axially aligned terminal blocks that are in open communication with a header opening. A conventional strain relief member is connected to the header assembly at the header opening. A number of different auxiliary strain relief devices are described. The auxiliary strain relief devices connect to the conventional strain relief member to help reduce tension and stress on a lead after the AIMD assembly is implanted in a body and the lead electrodes are connected to body tissue.

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