US Patent 10441404 Embolectomy devices

An embolectomy device includes a clot engaging structure comprising a plurality of interconnected struts forming an open cell structure, and further includes an attachment structure configured to advance and retract the clot engaging structure out of, and back into, respectively, the open distal end of a delivery catheter, the attachment structure comprising an elongated support member attached to one or more struts of the clot engaging structure only at locations on each of the respective one or more struts that are distal of a proximal end of the clot engaging structure.