US 12,290,290 B2
System and method for altering rotational alignment of bone sections
Scott Pool, Laguna Hills, CA (US)
Assigned to NuVasive, Inc., San Diego, CA (US)
Filed by NuVasive Specialized Orthopedics, Inc., San Diego, CA (US)
Filed on Jul. 1, 2022, as Appl. No. 17/810,469.
Application 17/810,469 is a continuation of application No. 16/841,925, filed on Apr. 7, 2020, granted, now 11,406,432.
Application 16/841,925 is a continuation of application No. 15/989,672, filed on May 25, 2018, granted, now 10,646,262, issued on May 12, 2020.
Application 15/989,672 is a continuation of application No. 15/207,763, filed on Jul. 12, 2016, granted, now 10,105,167, issued on Oct. 23, 2018.
Application 15/207,763 is a continuation of application No. 14/146,336, filed on Jan. 2, 2014, granted, now 9,393,117, issued on Jul. 19, 2016.
Application 14/146,336 is a continuation of application No. 13/370,966, filed on Feb. 10, 2012, granted, now 8,715,282, issued on May 6, 2014.
Claims priority of provisional application 61/472,055, filed on Apr. 5, 2011.
Claims priority of provisional application 61/442,658, filed on Feb. 14, 2011.
Prior Publication US 2022/0346846 A1, Nov. 3, 2022
Prior Publication US 2023/0233236 A9, Jul. 27, 2023
Int. Cl. A61B 17/72 (2006.01); A61B 17/17 (2006.01); A61B 17/68 (2006.01); A61B 17/92 (2006.01); A61B 50/30 (2016.01); A61B 50/34 (2016.01); A61F 2/28 (2006.01); A61B 17/00 (2006.01); A61B 50/33 (2016.01)
CPC A61B 17/7216 (2013.01) [A61B 17/1725 (2013.01); A61B 17/68 (2013.01); A61B 17/921 (2013.01); A61B 50/30 (2016.02); A61B 50/34 (2016.02); A61F 2/28 (2013.01); A61B 2017/00411 (2013.01); A61B 2017/00845 (2013.01); A61B 2017/681 (2013.01); A61B 50/33 (2016.02)] 18 Claims
OG exemplary drawing
 
1. An intramedullary implant comprising:
a housing configured to be secured to a first section of bone, the housing including one or more shaft engaging grooves axially extending along an inner surface thereof;
a distraction shaft configured to be secured to a second section of bone, the distraction shaft including one or more grooves axially extending along an inner surface thereof; and
an actuator disposed within the housing and operably coupled to the distraction shaft,
wherein, in response to rotation of the actuator, the one or more grooves of the distraction shaft engage with the one or more shaft engaging grooves of the housing, causing axial displacement of the distraction shaft relative to the housing
wherein the actuator comprises a rotatable permanent magnet positioned within the housing and a lead screw coupled to the rotatable permanent magnet.