Device for treating femoral fractures

Device for treating femoral fractures

  • CN 1,838,922 A
  • Filed: 09/18/2003
  • Published: 09/27/2006
  • Est. Priority Date: 09/18/2003
  • Status: Active Application
First Claim
Patent Images

1. device that is used for the treatment of Fracture of femur comprises:

  • A) intramedullary pin (1), longitudinal axis (2), the front portion (3) in spinal canal that can be inserted into femur, a rear portion (4), one that it has a center favour the passage (5) that longitudinal axis (2) penetrates rear portion (4), and this passage has a non-circular cross section (6);

    B) sliding sleeve (10) that can pass non-circular passage (5), it has vertical hole (13), a shell surface (14), an internal valve (15) and a longitudinal axis (16) at a leading section (11), a rearward end (12), a center;

    C) bone fixation element (20) longitudinally, it has a longitudinal axis (21), a head (22) and the bar (24) that can be inserted into coaxially in the sliding sleeve (10) that has fixed structure (23), and described fixed structure can be rabbeted with femoral head in use;

    WhereinD) shell surface (14) of sliding sleeve (10) has a non-circular cross section (17) at least in a subregion;

    AndE) internal valve (15) of sliding sleeve (10) has a non-circular cross section (38) at least in a subregion,It is characterized in that;

    F) bar (24) can be rotated to support in vertical hole (13) of sliding sleeve (10);

    WithG) free end (27) of bar (24) is provided with locking device (30), bar (24) can there be selection to be connected with sliding sleeve (10) with the shape locking mode rotatably by described locking device, so that can make longitudinally bone fixation element (20) selectively with respect to the locked or release of rotation of sliding sleeve (10).

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×