Internal fixation device for femoral intertrochanteric fracture

A technology of fixing device and femoral trochanter, applied in the field of medical devices, can solve the problems of poor stability, complicated operation, poor anti-osteoporosis effect, etc., and achieve the effects of good stability, convenient operation, firm and reliable fixation

Pending Publication Date: 2018-08-24
PEKING UNIV SHENZHEN HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the surgical treatment of intertrochanteric fractures includes: gama nail fixation, PFNA (proximal femoral nail-spiral blade) fixation, PFN (proximal femoral nail) fixation and other fixation systems,

Method used

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  • Internal fixation device for femoral intertrochanteric fracture
  • Internal fixation device for femoral intertrochanteric fracture
  • Internal fixation device for femoral intertrochanteric fracture

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Embodiment Construction

[0065] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, but cannot be construed as limitations to the present invention. Based on the embodiments in the present invention, those skilled in the art do not make creative work premise All other embodiments obtained below all belong to the protection scope of the present invention.

[0066] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial",...

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PUM

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Abstract

The invention discloses an internal fixation device for a femoral intertrochanteric fracture. The device comprises an intramedullary main nail, a near-end locking nail and a far-end locking nail, a first through hole is formed in the near end of the intramedullary main nail, a preset included angle is formed between the axis of the first through hole and the axis of the near end, and a second through hole is formed in the far end of the intramedullary main nail; the near-end locking nail penetrates through the first through hole, and one end of the near-end locking nail can be fixedly clampedinto the caput femoris through an expandable mode; the far-end locking nail penetrates through the second through hole. According to the internal fixation device for the femoral intertrochanteric fracture, one end of the near-end locking nail can be fixedly clamped into the caput femoris through the expandable mode, in this way, fixation of the near-end locking nail is firmer and more reliable, and the stability is better; fixation is conducted through an expansion mode, the expansion degree can be adjusted according to the degree of osteoporosis, then the fixation effect is achieved, and in addition, the device is convenient to operate.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an internal fixation device for femoral intertrochanteric fractures. Background technique [0002] Intertrochanteric fractures are more common in the elderly. Due to osteoporosis in the elderly, fractures can occur when the lower limbs are suddenly twisted or sharply excessively abducted or adducted during a fall, or when an external force directly impacts the greater trochanter. If left untreated, prolonged bed rest can cause complications such as bedsores. And improper treatment can cause malunion and affect the function of the affected limb, so it should be treated in time. [0003] At present, the surgical treatment of intertrochanteric fractures includes: gama nail fixation, PFNA (proximal femoral nail-spiral blade) fixation, PFN (proximal femoral nail) fixation and other fixation systems, each of which has its own characteristics and advantages, but there are sti...

Claims

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Application Information

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IPC IPC(8): A61B17/72A61B17/74
CPCA61B17/725A61B17/74
Inventor 王德利朱晓红
Owner PEKING UNIV SHENZHEN HOSPITAL
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