US 11,717,308 B2
Clot retrieval device for removing heterogeneous clots from a blood vessel
Anushree Dwivedi, Galway (IE); and Patrick Connolly, Galway (IE)
Assigned to Neuravi Limited, Galway (IE)
Filed by Neuravi Limited, Galway (IE)
Filed on Apr. 17, 2020, as Appl. No. 16/852,104.
Prior Publication US 2021/0322038 A1, Oct. 21, 2021
Int. Cl. A61B 17/221 (2006.01); A61B 17/22 (2006.01)
CPC A61B 17/221 (2013.01) [A61B 2017/22001 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A clot retrieval device for retrieving a clot from a blood vessel, comprising:
a caged portion comprising:
a distal end;
a proximal end;
an inner cage comprising a network of inner struts; and
an outer cage comprising a network of struts,
the inner cage and the outer cage comprising a delivery configuration within a microcatheter and a deployed configuration distal of the microcatheter operable to retrieve at least a portion of the clot; and
a distal pinching portion positioned distal of the distal end of the caged portion, and
a proximal pinching portion positioned proximal of the proximal end of the caged portion,
each pinching portion comprising at least one pinching cell comprising a collapsed state and an expanded state distal of the microcatheter operable to tweeze the at least a portion of the clot.