US 12,257,165 B2
Dual stent and delivery system, delivery tool apparatus, and method of delivery of dual stents
Spiros Manolidis, Southlake, TX (US)
Assigned to TENSOR FLOW VENTURES LLC, Dallas, TX (US)
Filed by TENSOR FLOW VENTURES LLC, Dallas, TX (US)
Filed on May 8, 2024, as Appl. No. 18/658,634.
Application 18/658,634 is a continuation of application No. 17/873,081, filed on Jul. 25, 2022.
Claims priority of provisional application 63/225,867, filed on Jul. 26, 2021.
Prior Publication US 2024/0293241 A1, Sep. 5, 2024
Int. Cl. A61F 2/852 (2013.01); A61F 2/95 (2013.01); A61F 2/962 (2013.01); A61F 2/966 (2013.01); A61F 2/88 (2006.01); A61F 2/90 (2013.01)
CPC A61F 2/852 (2013.01) [A61F 2/9517 (2020.05); A61F 2/9522 (2020.05); A61F 2/962 (2013.01); A61F 2/88 (2013.01); A61F 2/90 (2013.01); A61F 2002/9665 (2013.01); A61F 2250/001 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A stent delivery system, comprising:
a main body having a front end comprising an opening to an interior of the main body, and a backend having a backstop;
a lead in having a front portion outside the main body and a back portion disposed through the opening and within the interior of the main body;
an inner stent disposed over the front portion of the lead in;
an inner stent covering configured to prevent modification of a diameter of the inner stent until removed from the inner stent;
an outer stent disposed coaxially over at least a portion of the inner stent;
an outer stent covering configured to prevent modification of a diameter of the outer stent until removed from the outer stent;
a cover carrier positioned at least partially around a portion of the lead in and configured to grasp the inner stent covering and the outer stent covering, the cover carrier movable within the interior of the main body; and
a retention mechanism within the interior of the main body coupled to the cover carrier, wherein the retention mechanism moves the cover carrier to remove the inner stent covering from the inner stent and to remove the outer stent covering from the outer stent.