	US 11,980,387 B2
	Cutting tool for the vertical incision of a tendon
Luka Cakic, Castel San Pietro (CH); Francesco Siccardi, Castel San Pietro (CH); Sascha Berberich, Castel San Pietro (CH); Riccardo Lucchini, Castel San Pietro (CH); and Gianluca Parisi, Castel San Pietro (CH)
Assigned to Medacta International SA, Castel San Pietro (CH)
Appl. No. 17/275,136
Filed by MEDACTA INTERNATIONAL SA, Castel San Pietro (CH)
PCT Filed Aug. 21, 2019, PCT No. PCT/IB2019/057034 § 371(c)(1), (2) Date Mar. 10, 2021, PCT Pub. No. WO2020/053684, PCT Pub. Date Mar. 19, 2020.
Claims priority of application No. 102018000008555 (IT), filed on Sep. 13, 2018.
Prior Publication US 2022/0031349 A1, Feb. 3, 2022
Int. Cl. A61B 17/3209 (2006.01); A61B 17/00 (2006.01)

CPC A61B 17/3209 (2013.01) [A61B 17/00008 (2013.01); A61B 2017/00455 (2013.01); A61B 2017/00969 (2013.01)]

10 Claims

1. A cutting tool for the a vertical incision of tendons comprising a shaft extending along a longitudinal axis, having a distal end and a proximal end and a cutting head, the cutting head being close to said distal end having a plurality of blades, wherein said cutting head is spaced apart from the longitudinal axis of the shaft and a portion thereof lies on a plane parallel to the longitudinal axis of said shaft and is connected to the said shaft by a coupling inclined with respect to the longitudinal axis by an angle from 10° to 20°, wherein said cutting head comprises a base plate from which two semicircular lateral blades project, the semicircular lateral blades extending within planes parallel to each other and orthogonal to the base plate, each semicircular lateral blade having a convex semicircular cutting edge, and wherein an upper edge of said base plate has a linear cutting edge, the linear cutting edge being orthogonal to said semicircular lateral blades.