US 12,262,928 B2
System for varying distance between bone segments
Rohan Milind Deshpande, Nagpur (IN); and Ayush Sanjay Gaikwad, Chandkapur (IN)
Appl. No. 18/004,070
Filed by Rohan Milind Deshpande, Nagpur (IN); and Ayush Sanjay Gaikwad, Chandkapur (IN)
PCT Filed Jun. 30, 2021, PCT No. PCT/IN2021/050640
§ 371(c)(1), (2) Date Jan. 3, 2023,
PCT Pub. No. WO2022/009219, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 202021028776 (IN), filed on Jul. 7, 2020.
Prior Publication US 2023/0301691 A1, Sep. 28, 2023
Int. Cl. A61B 17/72 (2006.01); A61B 17/86 (2006.01)
CPC A61B 17/7216 (2013.01) [A61B 17/7233 (2013.01); A61B 17/863 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A system for varying distance between bone segments comprises an intramedullary nail (100) and a driving shaft (210);
wherein the intramedullary nail (100) comprises:
a. a head (110) configured to attach relative to a first bone segment (410); characterized in that
b. a housing (120) having at least one axial hole at one end wherein the at least one axial hole is non-circular (125), and said housing is attached with the head (110);
c. a rotational to linear motion convertor mechanism (140), wherein at least a portion of the rotational to linear motion convertor mechanism (140) is contained in the housing (120); and wherein an output part (160) of the rotational to linear motion convertor mechanism (140) is configured to attach relative to a second bone segment (420) directly or indirectly and is linearly displaceable relative to the housing (120) and the head (110); and
d. a transmission (130) configured to transmit rotational motion and power at an angle; wherein an output member (133) of the said transmission (130) operatively couples with an input part (150) of the rotational to linear motion convertor mechanism (140);
wherein the driving shaft (210) is configured to detachably connect with an input member (131) of the said transmission (130),
wherein the driving shaft (210) upon connection with the input member (131) of the transmission (130) on one end (211), radially comes out of the intramedullary nail (100).