Patents by Inventor Caimei WANG

Caimei WANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11331127
    Abstract: Provided are a locking steel plate and a locking steel plate assembly with the locking steel plate. Herein, the locking steel plate may include a steel plate body, an elastic block hook and a limit groove. The steel plate body is provided with a mounting hole, and the mounting hole may include a first hole section and a second hole section having a cross section area less than that of the first hole section. The elastic block hook is provided inside the first hole section, a first end of the elastic block hook is connected with the steel plate body, and a second end of the elastic block hook bends toward the second hole section. The limiting groove is provided on an inner wall of the second end of the elastic block hook.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 17, 2022
    Assignee: Beijing AK Medical Co., Ltd.
    Inventor: Caimei Wang
  • Publication number: 20210361440
    Abstract: Provided is a shoulder joint prosthesis. The shoulder joint prosthesis may include an outer cup, a lining, a ball head and a humeral shank, and the outer cup, the lining and the ball head are nested in sequence. Herein, the outer cup may include an outer cup body and a first limiting convex wall configured at an opening of the outer cup body, the outer cup body has a first spherical inner cavity. The lining may include a hemispherical housing body and a second limiting convex wall and a third limiting convex wall configured at an opening of the hemispherical housing body, the hemispherical housing body has a second spherical inner cavity, the second limiting convex wall and the third limiting convex wall limit the ball head to leave the second spherical inner cavity, and the hemispherical housing body is provided with a groove for avoiding the humeral shank.
    Type: Application
    Filed: January 17, 2019
    Publication date: November 25, 2021
    Inventor: Caimei WANG
  • Publication number: 20210361334
    Abstract: Provided is an orthopedic implanted screw. The orthopedic implanted screw may include a fixed seat and a screw body. The fixed seat may include a seat body, a deformation limiting portion and a taper portion. Herein, the seat body is provided with a limiting cavity, a top avoiding opening and a bottom avoiding opening, the deformation limiting portion is provided on an inner wall surface of the seat body, and the taper portion is provided on an outer wall surface of the seat body. The screw body is detachably mounted on the fixed seat, the screw body being configured to drill into a bone in a rotating mode, the taper portion may drills into the bone, to accordingly prevent the screw body from dropping out of the bone.
    Type: Application
    Filed: January 17, 2019
    Publication date: November 25, 2021
    Inventor: Caimei WANG
  • Publication number: 20210298805
    Abstract: Provided are a locking steel plate and a locking steel plate assembly with the locking steel plate. Herein, the locking steel plate may include a steel plate body, an elastic block hook and a limit groove. The steel plate body is provided with a mounting hole, and the mounting hole may include a first hole section and a second hole section having a cross section area less than that of the first hole section. The elastic block hook is provided inside the first hole section, a first end of the elastic block hook is connected with the steel plate body, and a second end of the elastic block hook bends toward the second hole section. The limiting groove is provided on an inner wall of the second end of the elastic block hook.
    Type: Application
    Filed: January 17, 2019
    Publication date: September 30, 2021
    Inventor: Caimei WANG
  • Patent number: 10856995
    Abstract: Provided is an artificial vertebral fixing system. The artificial vertebral fixing system includes: an artificial vertebral main body, arranged between adjacent human physiological vertebrae; two longitudinal connecting rods, respectively arranged at two sides of spinous processes of the human physiological vertebrae; a transverse connecting screw, connected between the artificial vertebral main body and each of the longitudinal connecting rods; and a connecting portion, connected to the artificial vertebral main body; when the connecting portion is provided with a self-tapping through hole, the transverse connecting screw is formed into thread structure by self-tapping when being screwed to the self-tapping through hole; and when the connecting portion is provided with a threaded hole, the transverse connecting screw is matched with the threaded hole.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: December 8, 2020
    Assignee: BEIJING AK MEDICAL CO., LTD
    Inventors: Zhongjun Liu, Caimei Wang
  • Patent number: 10828164
    Abstract: The present disclosure provides an iliac prosthesis, comprising: a prosthesis main body, the prosthesis main body including a first end portion contacted and matched with a sacrum and a second end portion contacted and matched with an acetabulum, a first screw hole being formed in the first end portion, a first screw seat being arranged in the first screw hole, the screw-rod structure including a connecting seat and a rod body, the connecting seat being connected with the prosthesis main body, and the rod body being fixed on the connecting seat; and an anti-dropping mechanism, the anti-dropping mechanism being arranged between the prosthesis main body and the connecting seat in a clamping manner. The technical solutions of the present disclosure can effectively solve the problems of unreliable supporting and easy fatigue break of the screw-rod system in the related technology.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: November 10, 2020
    Assignee: Beijing AK Medical Co., Ltd.
    Inventors: Wei Guo, Caimei Wang, Tao Ji
  • Patent number: 10806589
    Abstract: The present disclosure provides a hipbone prosthesis, comprising: a prosthesis main body (10), the prosthesis main body (10) being of an arched structure, the prosthesis main body including a first end portion (11) and a second end portion, and the first end portion (11) being contacted and matched with a sacrum (1); and an acetabular cup (20) and a connecting device (30), the acetabular cup (20) being connected with the second end portion in a position adjustable manner via the connecting device (30). According to the technical solutions of the present disclosure, the problems of unreliable supporting and easy fatigue break of a screw-rod system in the related technology are effectively solved.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: October 20, 2020
    Assignee: BEIJING AK MEDICAL CO., LTD.
    Inventors: Wei Guo, Caimei Wang, Tao Ji
  • Patent number: 10779948
    Abstract: The present disclosure provides an acetabular defect reconstructive prosthesis, comprising: an iliac support, the iliac support including a support seat (11) and a connecting wing plate (12) provided on the support seat (11), and the support seat (11) being contacted and matched with an ilium (1); and an acetabular cup (20) rotatably connected with the support seat (11) together. The technical solutions of the present disclosure can effectively solve the problems of reconstruction and long-term stability of a peri-acetabular defect in the related technology.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: September 22, 2020
    Assignee: Beijing AK Medical Co., Ltd.
    Inventors: Wei Guo, Caimei Wang, Tao Ji
  • Patent number: 10751188
    Abstract: The present disclosure provides a sacral prosthesis, comprising: a prosthesis main body, the prosthesis main body including two first prosthesis bodies and a second prosthesis body connected between the two first prosthesis bodies the two first prosthesis bodies and the second prosthesis body being of an integrally prototyped structure, a second end of each of the first prosthesis bodies being contacted and matched with an ilium, and a top of the second prosthesis body being contacted and matched with a lumbar vertebral body; and a screw-rod structure, the screw-rod structure including a connecting seat and a rod body, the connecting seat being connected with the prosthesis main body, and the rod body being fixed on the connecting seat. The technical solutions of the present disclosure can effectively solve the problems of unreliable supporting and easy fatigue break of the screw-rod system in the related technology.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: August 25, 2020
    Assignee: Beijing AK Medical Co., Ltd.
    Inventors: Wei Guo, Caimei Wang, Tao Ji
  • Publication number: 20200222194
    Abstract: The present disclosure provides an iliac prosthesis, comprising: a prosthesis main body, the prosthesis main body including a first end portion contacted and matched with a sacrum and a second end portion contacted and matched with an acetabulum, a first screw hole being formed in the first end portion, a first screw seat being arranged in the first screw hole, the screw-rod structure including a connecting seat and a rod body, the connecting seat being connected with the prosthesis main body, and the rod body being fixed on the connecting seat; and an anti-dropping mechanism, the anti-dropping mechanism being arranged between the prosthesis main body and the connecting seat in a clamping manner. The technical solutions of the present disclosure can effectively, solve the problems of, unreliable supporting and easy fatigue break of the screw-rod system in the related technology.
    Type: Application
    Filed: July 8, 2016
    Publication date: July 16, 2020
    Inventors: Wei GUO, Caimei WANG, Tao JI
  • Publication number: 20190298527
    Abstract: The present disclosure provides a sacral prosthesis, comprising: a prosthesis main body, the prosthesis main body including two first prosthesis bodies and a second prosthesis body connected between the two first prosthesis bodies the two first prosthesis bodies and the second prosthesis body being of an integrally prototyped structure, a second end of each of the first prosthesis bodies being contacted and matched with an ilium, and a top of the second prosthesis body being contacted and matched with a lumbar vertebral body; and a screw-rod structure, the screw-rod structure including a connecting seat and a rod body, the connecting seat being connected with the prosthesis main body, and the rod body being fixed on the connecting seat. The technical solutions of the present disclosure can effectively solve the problems of unreliable supporting and easy fatigue break of the screw-rod system in the related technology.
    Type: Application
    Filed: July 8, 2016
    Publication date: October 3, 2019
    Inventors: Wei Guo, Caimei Wang, Tao Ji
  • Publication number: 20190224014
    Abstract: The present disclosure provides an acetabular defect reconstructive prosthesis, comprising: an iliac support, the iliac support including a support seat (11) and a connecting wing plate (12) provided on the support seat (11), and the support seat (11) being contacted and matched with an ilium (1); and an acetabular cup (20) rotatably connected with the support seat (11) together. The technical solutions of the present disclosure can effectively solve the problems of reconstruction and long-term stability of a peri-acetabular defect in the related technology.
    Type: Application
    Filed: July 8, 2016
    Publication date: July 25, 2019
    Inventors: Wei GUO, Caimei WANG, Tao JI
  • Publication number: 20190192306
    Abstract: Provided is an artificial vertebral fixing system. The artificial vertebral fixing system includes: an artificial vertebral main body, arranged between adjacent human physiological vertebrae; two longitudinal connecting rods, respectively arranged at two sides of spinous processes of the human physiological vertebrae; a transverse connecting screw, connected between the artificial vertebral main body and each of the longitudinal connecting rods; and a connecting portion, connected to the artificial vertebral main body; when the connecting portion is provided with a self-tapping through hole, the transverse connecting screw is formed into thread structure by self-tapping when being screwed to the self-tapping through hole; and when the connecting portion is provided with a threaded hole, the transverse connecting screw is matched with the threaded hole.
    Type: Application
    Filed: August 10, 2016
    Publication date: June 27, 2019
    Inventors: Zhongjun LIU, Caimei WANG
  • Publication number: 20190125539
    Abstract: The present disclosure provides a hipbone prosthesis, comprising: a prosthesis main body (10), the prosthesis main body (10) being of an arched structure, the prosthesis main body including a first end portion (11) and a second end portion, and the first end portion (11) being contacted and matched with a sacrum (1); and an acetabular cup (20) and a connecting device (30), the acetabular cup (20) being connected with the second end portion in a position adjustable manner via the connecting device (30). According to the technical solutions of the present disclosure, the problems of unreliable supporting and easy fatigue break of a screw-rod system in the related technology are effectively solved.
    Type: Application
    Filed: July 8, 2016
    Publication date: May 2, 2019
    Inventors: Wei GUO, Caimei WANG, Tao JI