US 12,324,593 B2
Device and method for punching bone
Jörg Mayer, Niederlenz (CH); Andrè Schwery, Biberist (CH); Loïc Sottas, Lausanne (CH); and Dominique Neuhaus, Zürich (CH)
Assigned to BOSONIC AG, Bern (CH)
Appl. No. 17/437,511
Filed by Bosonic AG, Bern (CH)
PCT Filed Mar. 10, 2020, PCT No. PCT/EP2020/056394
§ 371(c)(1), (2) Date Sep. 9, 2021,
PCT Pub. No. WO2020/182836, PCT Pub. Date Sep. 17, 2020.
Application 17/437,511 is a continuation of application No. 16/580,443, filed on Sep. 24, 2019, granted, now 11,571,220.
Claims priority of application No. 00295/19 (CH), filed on Mar. 11, 2019.
Prior Publication US 2022/0142656 A1, May 12, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/16 (2006.01); A61B 10/02 (2006.01); A61B 17/32 (2006.01); A61B 17/3205 (2006.01)
CPC A61B 17/1604 (2013.01) [A61B 10/025 (2013.01); A61B 17/320068 (2013.01); A61B 17/32053 (2013.01); A61B 17/1633 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A sonotrode for an ultrasonic surgical instrument, wherein the sonotrode has a head and a distal end piece, wherein the distal end piece is designed as a hollow body being open at its distal end and equipped as a punch for penetration of bones,
wherein the distal end piece has a sharpened distal edge serving as a cutting edge,
wherein the cutting edge is a straight cutting edge, and
wherein the distal end piece has a maximal diameter that is at least one and a half times a size of the diameter of the head.