Medical electrical lead

A medical electrical lead having an electrode head with an internal lumen mounted to a proximal portion of the lead body and a rotatable fixation helix advanceable from the internal lumen. The helix is mounted to a rotatable shaft which is provided with a central shaft portion and circumferential sh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RUFF, MICHAEL A, RUTA, RODICA V, HESS, DOUGLAS N, SANDSTROM, RICHARD D
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A medical electrical lead having an electrode head with an internal lumen mounted to a proximal portion of the lead body and a rotatable fixation helix advanceable from the internal lumen. The helix is mounted to a rotatable shaft which is provided with a central shaft portion and circumferential shoulders proximal and distal to the central shaft portion. A seal is mounted in the lumen of the electrode head, encircling the shaft and C-shaped seal retainers are mounted in the lumen of the electrode head member proximal and distal to the seal.