US 11,857,228 B2
Set screw for femoral nail
Ingo Stoltenberg, Probsteierhagen (DE)
Assigned to Stryker European Operations Limited
Appl. No. 17/909,059
Filed by Stryker European Operations Limited, Carrigtwohill (IE)
PCT Filed Mar. 3, 2021, PCT No. PCT/IB2021/000114
§ 371(c)(1), (2) Date Sep. 2, 2022,
PCT Pub. No. WO2021/176272, PCT Pub. Date Sep. 10, 2021.
Claims priority of provisional application 62/985,981, filed on Mar. 6, 2020.
Prior Publication US 2023/0086656 A1, Mar. 23, 2023
Int. Cl. A61B 17/74 (2006.01); A61B 17/88 (2006.01)
CPC A61B 17/744 (2013.01) [A61B 17/8897 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A set screw assembly configured to be received within a compartment of an intramedullary nail, the intramedullary nail having an angulated opening for receiving a neck screw, the set screw assembly comprising:
a first member including a proximal portion and a distal portion extending along a longitudinal axis, the proximal portion including at least one flange being moveable in a radial direction relative to the longitudinal axis between an unlocked condition and a locked condition, the distal portion including a threading; and
a second member including a sidewall extending between a proximal end and a distal end, the sidewall defining an interior surface having a threading for threadably mating with the distal portion of the first member, the second member further including a lateral flange sized and configured to engage an interior surface of the compartment of the intramedullary nail for rotationally stabilizing the second member within the compartment.