US 12,268,826 B2
Introducer sheath
Damien Kenny, Dublin (IE); Brian Bailey, Booterstown (IE); Kevin Walsh, Dublin (IE); and John Hynes, Howth (IE)
Assigned to Harmony Medical Limited, Dublin (IE)
Appl. No. 17/271,362
Filed by HARMONY MEDICAL LIMITED, Dublin (IE)
PCT Filed Sep. 3, 2019, PCT No. PCT/EP2019/073487
§ 371(c)(1), (2) Date Feb. 25, 2021,
PCT Pub. No. WO2020/049000, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 18193070 (EP), filed on Sep. 6, 2018.
Prior Publication US 2021/0196929 A1, Jul. 1, 2021
Int. Cl. A61F 2/24 (2006.01); A61B 17/00 (2006.01); A61F 2/95 (2013.01); A61F 2/958 (2013.01); A61F 2/966 (2013.01); A61M 25/00 (2006.01); A61M 25/01 (2006.01); A61M 25/06 (2006.01); A61M 25/09 (2006.01); A61M 25/10 (2013.01); A61B 17/34 (2006.01); A61M 29/02 (2006.01)
CPC A61M 25/0662 (2013.01) [A61F 2/2433 (2013.01); A61F 2/2436 (2013.01); A61F 2/958 (2013.01); A61F 2/966 (2013.01); A61M 25/1002 (2013.01); A61M 25/1025 (2013.01); A61B 17/3468 (2013.01); A61M 29/02 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An introducer sheath comprising:
a tubular shaft having a proximal end and a distal end;
wherein the shaft comprises a distal tip that is more flexible than a main body of the shaft,
a balloon adjacent to the distal end of the shaft, said balloon having, on inflation, a toroidal shape; and
a proximal anchoring element having a release configuration in which the anchoring element is movable along the shaft and an anchoring configuration in which a tissue bridging gap, between the anchoring element located on a proximal side of the tissue bridging gap and the balloon located on a distal side of the tissue bridging gap, is reduced and the anchoring element is locked to the shaft,
wherein:
the anchoring element comprises a collar which is movable along the shaft,
the collar, in the release configuration is slidably movable along the shaft,
the collar has a distally facing end face that is configured for engaging one side of tissue of the tissue bridging gap, and said collar distal end face is only substantially flat; and
the anchoring element comprises a mounting system for mounting the collar to the shaft.