A simple hip joint
A hip joint, a simple technology, applied in the direction of hip joints, joint implants, joint implants, etc., can solve problems such as uneven distribution of elastic modulus, decrease in structural mechanical strength, and affect functions, and achieve good structural mechanical properties , speed up the postoperative recovery period, and avoid the effect of failure and waste
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Embodiment 1
[0031] As attached to the manual Figure 1-3As shown, a simple hip joint includes a femoral stem 1, a femoral neck 2 and a fastening rod 3; the upper end surface of the head of the femoral stem 1 is provided with a threaded hole 4; the lower part of the femoral neck 2 is a positive column as a whole Body shape, the upper part is set as an offset inclined column, and the lower end of the femoral neck 2 is set as a threaded rod 5; the threaded rod 5 is directly connected with the threaded hole 4; The inner interference fit has a fastening rod 3, and a tapered protrusion 7 is provided on the side of the middle part of the femoral stem 1 close to the femoral neck 2; the lower part of the femoral stem 1 consists of a handle body 8 and a The ring-shaped sleeve layer 9 is composed of a multi-level porous material; the end of the handle body at the lower part of the femoral stem 1 protrudes from the ring-shaped sleeve layer 9, and the end of the handle body is set to be coaxial with t...
Embodiment 2
[0042] As attached to the manual Figure 4-5 As shown, a simple hip joint includes a femoral stem 1 and a femoral neck 2; the upper end surface of the head of the femoral stem 1 is provided with a threaded hole 4; Offset inclined column, and the lower end of the femoral neck 2 is set as a threaded rod 5; the threaded rod 5 is directly connected with the threaded hole 4; the middle part of the femoral stem 1 is provided with a tapered protrusion 7 on the side close to the femoral neck 2; The lower part of the femoral stem 1 is composed of a handle body 8 and an annular sheath 9 attached to the outer surface of the handle body 8. The annular sheath 9 is made of a multi-stage porous material; the end of the lower part of the femoral stem 1 protrudes An annular sheath 9, and the end of the handle body is set as two discontinuous annular parts 10 coaxial with the femoral stem 1; the multi-level porous material used in the annular sheath 9 in this embodiment is porous titanium, whic...
Embodiment 3
[0054] As attached to the manual Figure 6-7 As shown, a simple hip joint includes a femoral stem 1, a femoral neck 2 and a fastening rod 3; the upper end surface of the head of the femoral stem 1 is provided with a mounting hole 4; the lower part of the femoral neck 2 is a positive cylinder The upper part is set as an offset inclined column; the lower part of the femoral neck 2 is directly installed in the mounting hole 4 through interference fit; the middle part of the femoral stem 1 is provided with a hole 6, and the interference fit in the hole 6 is fastened. Insertion rod 3; the lower part of the femoral stem 1 is composed of a handle body 8 and an annular sheath 9 attached to the outer surface of the handle body 8. The annular sheath 9 is made of a multi-stage hole material; the lower part of the femoral stem 1 is The end of the body protrudes from the annular sheath 9, and the end of the handle body is set as a discontinuous ring-shaped part 10 coaxial with the femoral ...
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