Patent ID: 11969369
Assignee: W.L. GORE & ASSOCIATES GMBH
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An endoprosthesis delivery system comprising:
an expandable endoprosthesis including a side branch portal;
a first primary sleeve releasably constraining at least a first portion of the expandable endoprosthesis toward a collapsed configuration;
a secondary sleeve overlapping with the first primary sleeve, wherein upon release of the first primary sleeve, the secondary sleeve releasably constrains a second portion of the expandable endoprosthesis to a partially expanded configuration allowing access to the side branch portal via the partially expanded portion of the expandable endoprosthesis;
a side branch component configured for delivery through the side branch portal via the partially expanded portion of the expandable endoprosthesis.