Cardiac pacemaker lead with swaged distal electrode

A - Human Necessities – 61 – N

Patent

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Details

A61N 1/05 (2006.01) H01R 4/20 (2006.01)

Patent

CA 2322769

A cardiac stimulator lead (10) including a connector (16) for connecting to a cardiac stimulator and a flexible tubular sleeve (12) that has a first end coupled to the connector and a second end. An electrode (20) has a proximal end that is inserted into the second end of the sleeve. An annular member (25) is disposed around the proximal end of the electrode (20) and around the second end of the sleeve (12) and is deformed to clamp the second end to the proximal end. A conductor wire (50) is coupled beteen the connector and the electrode. The deformed annular member eliminates reliance on an adhesive-to- metal molecular bond as the sole or primary mechanism for securing the distal end of a lead sleeve to the tip electrode.

Une dérivation (10) de stimulateur cardiaque comprend un connecteur (16) qui se connecte à un stimulateur cardiaque et une gaine tubulaire souple (12) présentant une première extrémité accouplée au connecteur et une seconde extrémité. L'extrémité proximale d'une électrode (20) est insérée dans la seconde extrémité de la gaine. Un élément annulaire (25) est placé autour de l'extrémité proximale de l'électrode (20) et autour de la seconde extrémité de la gaine (12) et est déformé de sorte qu'il immobilise la seconde extrémité sur l'extrémité proximale. Un fil conducteur (50) est couplé entre le connecteur et l'électrode. L'élément annulaire déformé permet d'éliminer l'utilisation d'une liaison moléculaire adhésif-métal en tant que mécanisme unique ou principal pour la fixation de l'extrémité distale d'une gaine de conducteur à l'électrode de pointe.

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