Patents Assigned to SHANGHAI SANYOU MEDICAL CO., LTD.
  • Publication number: 20200305933
    Abstract: The present disclosure provides an adjustable double-slot internal spinal fixation apparatus, including a first base, a second base and a connecting rod. The first base and the second base each contains a U-shaped slot from top to bottom. An inner wall of each U-shaped slot contains inner threads. The connecting rod is disposed along a horizontal direction. The second base contains a long slot along the horizontal direction. One end of the connecting rod is inserted in the first base, and the other end of the connecting rod is inserted in the long slot of the second base. The connecting rod can swing in the long slot. The first base and the second base are capable of relatively rotating on the connecting rod.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 1, 2020
    Applicant: Shanghai Sanyou Medical Co., Ltd.
    Inventors: Zezhang ZHU, Yong QIU, Michael Mingyan LIU, Ruifeng LIU
  • Patent number: 10420653
    Abstract: Disclosed are a fusion cage for a spinal surgery and a clamping device thereof. The fusion cage comprises a fusion cage body (1) and a triangular screw plate (2). A limiting groove (12) fit with the clamping device is provided at a rear end surface of the fusion cage body (1), the fusion cage body (1) is hinged with the screw plate (2), and each of three corners of the screw plate (2) is provided with a screw hole (23). The clamping device comprises two clamping rods (4) which are fit with each other, and a front end of each clamping rod (4) is provided with a clamping head (41), wherein each of face-to-face sides of the clamping heads (41) is provided with a limiting protrusion (42), a front end of each clamping head (41) is capable of being inserted into the limiting groove (12) of the fusion cage body (1), and the limiting protrusion (42) is capable of being clamped at a front side surface of the screw plate (2).
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: September 24, 2019
    Assignee: SHANGHAI SANYOU MEDICAL CO., LTD.
    Inventors: Michael Mingyan Liu, Wen Yuan, Jean Charles Lehuec, Xing Liu
  • Publication number: 20180303519
    Abstract: A transverse shift screw tail, a transverse adjustable spinal screw, and an implantation method. The screw comprises a screw tail and a screw seat, the screw seat has a rod groove used for placing a connecting rod, which is recessed downwards from the top of the screw seat and radially penetrates the screw seat, a bottom of the rod groove is a curved surface adapted to an outer circumferential surface of the connecting rod, and the rod groove is provided with a locking thread fit with a locking bolt. The screw tail comprises a fixing column capable of being screwed into a vertebral body and a platform located at an end portion of the fixing column, the platform is provided with the installation head used for connecting with the screw seat, and an eccentric distance is provided between a center of the installation head and an axis of the fixing column.
    Type: Application
    Filed: June 8, 2016
    Publication date: October 25, 2018
    Applicant: SHANGHAI SANYOU MEDICAL CO., LTD.
    Inventors: MICHAEL MINGYAN LIU, YONG QIU, YUEMING SONG, QIXIN CHEN, JEAN-CHARLES LEHUEC, RUIFENG LIU
  • Publication number: 20170312096
    Abstract: Disclosed are a fusion cage for a spinal surgery and a clamping device thereof. The fusion cage comprises a fusion cage body (1) and a triangular screw plate (2). A limiting groove (12) fit with the clamping device is provided at a rear end surface of the fusion cage body (1), the fusion cage body (1) is hinged with the screw plate (2), and each of three corners of the screw plate (2) is provided with a screw hole (23). The clamping device comprises two clamping rods (4) which are fit with each other, and a front end of each clamping rod (4) is provided with a clamping head (41), wherein each of face-to-face sides of the clamping heads (41) is provided with a limiting protrusion (42), a front end of each clamping head (41) is capable of being inserted into the limiting groove (12) of the fusion cage body (1), and the limiting protrusion (42) is capable of being clamped at a front side surface of the screw plate (2).
    Type: Application
    Filed: December 30, 2014
    Publication date: November 2, 2017
    Applicant: SHANGHAI SANYOU MEDICAL CO., LTD.
    Inventors: MICHAEL MINGYAN LIU, WEN YUAN, JEAN CHARLES LEHUEC, XING LIU