公开(公告)号：US20170112637A1

公开(公告)日：2017-04-27

申请号：US15400426

申请日：2017-01-06

Applicant: ORTHOSOFT INC.

Inventor： Trong Tin NGUYEN ,  Pierre COUTURE

IPC: A61F2/46 ,  A61B34/10 ,  A61B5/00 ,  A61B5/107 ,  A61F2/38

CPC classification number: A61F2/4657 ,  A61B5/1071 ,  A61B5/1079 ,  A61B5/4528 ,  A61B5/4585 ,  A61B5/4851 ,  A61B5/6878 ,  A61B17/1764 ,  A61B34/10 ,  A61B90/06 ,  A61B90/37 ,  A61B2034/2048 ,  A61B2034/2068 ,  A61B2090/067 ,  A61B2090/373 ,  A61B2562/0219 ,  A61B2562/028 ,  A61F2/38 ,  A61F2/4684 ,  A61F2002/4668

Abstract: The disclosed device for verifying a hip-knee-ankle angle includes a mounting base having a planar abutting surface adapted for direct abutting against a resected surface on a distal femur, and a first inertial sensor in communication with a computer assisted surgery (CAS) system to determine an orientation of the mounting base and to digitize a mechanical axis of the femur. A visual alignment guide element is pivotably mounted to the mounting base such that the angular position of the visual alignment guide element is adjustable so as to be visually aligned with a mechanical axis of a tibia. A difference between orientations of the mounting base and the visual alignment guide is calculated by the computer assisted surgery system to determine the hip-knee-ankle angle.

公开(公告)号：US20170007269A1

公开(公告)日：2017-01-12

申请号：US15222026

申请日：2016-07-28

Applicant: ORTHOSOFT INC.

Inventor： Benoit PELLETIER ,  Karine DUVAL ,  Trong Tin NGUYEN ,  Pierre COUTURE ,  Louis-Philippe AMIOT ,  Yannick BOUTIN ,  Alain RICHARD ,  Catherine PROULX

IPC: A61B17/15 ,  A61B34/20

CPC classification number: A61B17/157 ,  A61B5/4528 ,  A61B5/4538 ,  A61B5/4585 ,  A61B17/154 ,  A61B34/20 ,  A61B90/06 ,  A61B2034/2048 ,  A61B2034/2068 ,  A61F2/46 ,  A61F2/4657

Abstract: A method for determining a mechanical axis of a tibia using a tibial digitizer is disclosed. The method includes: determining an upper reference point on a tibial plateau corresponding to an entry point of the mechanical axis; fastening an upper mounting end of the tibial digitizer to the tibial plateau at the upper reference point; and fastening a lower mounting end of the tibial digitizer to medial and lateral malleoli of the ankle, by inwardly displacing opposed caliper arms of a self-centering malleoli engaging mechanism toward each other in a common plane until the caliper arms abut the malleoli. A lower reference point located at a midpoint between the medial and lateral malleoli is then determined by identifying a corresponding midpoint between the caliper arms when they are clamped onto the medial and lateral malleoli.

Abstract translation: 公开了一种使用胫骨数字化仪确定胫骨的机械轴的方法。 该方法包括：确定对应于机械轴的入口点的胫骨平台上的上参考点; 将胫骨数字化仪的上安装端固定在上参考点处的胫骨平台上; 并将胫骨数字转换器的下安装端紧固到脚踝的内侧和外侧的踝部，通过使自对中的踝关节接合机构的相对的卡钳臂在公共平面中向彼此相对移动，直到卡钳臂抵靠踝部。 然后，位于内侧和外侧踝之间的中点处的较低参考点通过当卡钳臂被夹紧在内侧和外侧踝上时识别卡钳臂之间的对应中点来确定。

公开(公告)号：US20150342516A1

公开(公告)日：2015-12-03

申请号：US14293357

申请日：2014-06-02

Applicant: ORTHOSOFT INC.

Inventor： Trong Tin NGUYEN ,  Pierre COUTURE

IPC: A61B5/00 ,  A61B5/107

CPC classification number: A61F2/4657 ,  A61B5/1071 ,  A61B5/1079 ,  A61B5/4528 ,  A61B5/4585 ,  A61B5/4851 ,  A61B5/6878 ,  A61B17/1764 ,  A61B34/10 ,  A61B90/06 ,  A61B90/37 ,  A61B2034/2048 ,  A61B2034/2068 ,  A61B2090/067 ,  A61B2090/373 ,  A61B2562/0219 ,  A61B2562/028 ,  A61F2/38 ,  A61F2/4684 ,  A61F2002/4668

Abstract: The disclosed device for verifying a hip-knee-ankle angle includes a mounting base having a planar abutting surface adapted for direct abutting against a resected surface on a distal femur, and a first inertial sensor in communication with a computer assisted surgery (CAS) system to determine an orientation of the mounting base and to digitize a mechanical axis of the femur. A visual alignment guide element is pivotably mounted to the mounting base such that the angular position of the visual alignment guide element is adjustable so as to be visually aligned with a mechanical axis of a tibia. A difference between orientations of the mounting base and the visual alignment guide is calculated by the computer assisted surgery system to determine the hip-knee-ankle angle. The visual alignment guide may include a second inertial sensor and/or a laser emitting element.

Abstract translation: 所公开的用于验证髋关节 - 膝关节角度的装置包括具有适于直接抵靠远侧股骨上的切除表面的平面邻接表面的安装基座和与计算机辅助手术（CAS）系统连通的第一惯性传感器 以确定安装基座的取向并使股骨的机械轴线数字化。 视觉对准引导元件可枢转地安装到安装基座，使得视觉对准引导元件的角位置是可调节的，以便与胫骨的机械轴线目视地对准。 通过计算机辅助手术系统计算安装基座和视觉对准指南的取向之间的差异，以确定髋 - 膝 - 踝关节角度。 视觉对准引导件可以包括第二惯性传感器和/或激光发射元件。