US 12,138,450 B2
Delivery device having a deflectable and peelable mapping guide sheath for his bundle pacing
Xiaoping Guo, Eden Prairie, MN (US); and Erich W. Stoermer, Plymouth, MN (US)
Assigned to St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
Filed by St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
Filed on Jul. 5, 2022, as Appl. No. 17/857,229.
Application 17/857,229 is a continuation of application No. 16/452,223, filed on Jun. 25, 2019, granted, now 11,413,454.
Prior Publication US 2022/0347463 A1, Nov. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61N 1/00 (2006.01); A61M 25/06 (2006.01); A61N 1/05 (2006.01); A61M 25/01 (2006.01)
CPC A61N 1/059 (2013.01) [A61M 25/0668 (2013.01); A61N 1/056 (2013.01); A61M 25/0108 (2013.01); A61M 2025/0681 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A delivery device for delivering a lead to a patient's heart, the delivery device comprising:
a handle; and
an elongated sheath comprising:
a proximal end connected to the handle and a distal end remote from the handle;
a distal portion of the sheath having a plurality of flexible sections spaced from one another along a length of the sheath;
a first layer having a longitudinal rib that protrudes radially outward from an outer surface of the first layer, the longitudinal rib extending along the length of the sheath;
a first split line extending along the sheath; and
a second layer surrounding the first layer, the second layer having a recess facing radially inward and mating with the rib, the first split line aligned with the rib and the recess to facilitate splitting of the sheath.