US 12,419,645 B2
Pull wire detachment for intravascular devices
Tyson Montidoro, Raynham, MA (US); and Juan Lorenzo, Davie, FL (US)
Assigned to DEPUY SYNTHES PRODUCTS, INC., Raynham, MA (US)
Filed by DePuy Synthes Products, Inc., Raynham, MA (US)
Filed on Dec. 29, 2021, as Appl. No. 17/564,914.
Application 17/564,914 is a continuation of application No. 16/444,659, filed on Jun. 18, 2019, granted, now 11,253,265.
Prior Publication US 2022/0117606 A1, Apr. 21, 2022
Int. Cl. A61B 17/12 (2006.01); A61M 25/00 (2006.01); A61M 25/06 (2006.01)
CPC A61B 17/1214 (2013.01) [A61M 25/0074 (2013.01); A61M 25/0662 (2013.01); A61B 2017/12054 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An intravascular delivery system comprising:
a delivery tube sized to be delivered through a patient to a treatment site;
an intermediate hypotube affixed to the delivery tube and extending in a proximal direction from a proximal end of the delivery tube;
a pull wire extending through a lumen of the intermediate hypotube and through a lumen of the delivery tube; and
a sheath attached to the intermediate hypotube,
wherein the pull wire comprises an engagement bump affixed thereto and positioned in the proximal direction in relation to a proximal end of the intermediate hypotube,
wherein the engagement bump is sized to inhibit movement of the engagement bump into the lumen of the intermediate hypotube, and
wherein a proximal portion of the pull wire comprising a breakable attachment is positioned within a lumen of the sheath.