US 11,950,771 B2
Supporting hook structure for femoral surgery
Yan-Shen Lin, Hsinchu (TW); Jiann-Jong Liau, Hsinchu (TW); Yu-Liang Liu, Hsinchu (TW); Teh-Yang Lin, Hsinchu (TW); and Wen-Chuan Chen, Hsinchu (TW)
Assigned to UNITED ORTHOPEDIC CORPORATION, Hsinchu (TW)
Filed by UNITED ORTHOPEDIC CORPORATION, Hsinchu (TW)
Filed on Aug. 16, 2021, as Appl. No. 17/402,721.
Claims priority of application No. 110118332 (TW), filed on May 20, 2021.
Prior Publication US 2022/0370060 A1, Nov. 24, 2022
Int. Cl. A61B 17/02 (2006.01); A61B 90/00 (2016.01); A61F 2/46 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/025 (2013.01) [A61B 90/03 (2016.02); A61F 2/4607 (2013.01); A61B 2017/00367 (2013.01); A61B 2017/0275 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A supporting hook structure, which includes:
a sleeve;
a fixing rod, one end of the fixing rod is connected to the sleeve;
a first limiting unit, the first limiting unit is arranged on the sleeve; and
a hook body, the hook body includes a hook portion, a connecting portion, and a second limiting unit, one end of the connecting portion is connected to one end of the hook portion, and the second limiting unit is provided at the connecting portion;
wherein, when the end of the connecting portion is connected to the sleeve, the first limiting unit is connected to the second limiting unit, so that the hook body is able to perform a first rotation with an axial direction of the sleeve as the rotation axis;
wherein the first limiting unit is a limiting protrusion unit, and the second limiting unit includes a recess and a limiting recess, the limiting recess is annularly arranged on the side surface of the connecting portion and adjacent to the hook portion, the recess is arranged on the side surface of the connecting portion, and the recess extends from an end of the connecting portion in an axial direction and is connected to the limiting recess, and when another end of the connecting portion is connected to the sleeve, the limiting protrusion moves along the recess to the limiting recess, so that the hook body is able to perform a rotation with the axis direction as the rotation axis;
wherein the sleeve includes a first through hole, a second through hole, and a third through hole, the first through hole and the second through hole are respectively located on both ends of the sleeve, the third through hole is located on the side of the sleeve and is adjacent to the first through hole, and the first through hole, the second through hole, and the third through hole are in communication with each other, the limiting protrusion unit is disposed in the third through hole, and the limiting protrusion unit protrudes from the inner wall of the first through hole;
wherein the supporting hook structure further includes a fixing device, and the hook body further includes a first recess, and the first recess is disposed on the end of the connecting portion, the fixing device includes a fixing knob and a fixing bolt, the fixing knob has a second recess, one end of the fixing bolt is connected to the second recess, and inserted in the axial direction into the second through hole, and the other end of the fixing bolt is located in the first recess, so that the hook body is in an unfixed swing state;
wherein the inner wall of the first recess has a first thread, and the outer surface of the fixing bolt has a second thread, and combined with the second thread, the fixing device is connected with the hook body.