Efficient depth-keeping drilling device for resin gypsum for fixing limbs

Abstract

The invention discloses an efficient depth-keeping drilling device for resin gypsum for fixing limbs. The device comprises a connection rod (1), a rotary-cut saw (2) and an adjusting protective sleeve (3); the lower end of the connection rod (1) is provided with the rotary-cut saw; the upper part of the adjusting protective sleeve is in adjusting match with the lower part of the connection rod (1) in a locking mode; and the lower part of the adjusting protective sleeve (3) is in wrapping match with the rotary-cut saw (2). A structure of matching the rotary-cut saw, an adjusting mechanism and a connection device is adopted, so the drilling depth of the rotary-cut saw can be precisely controlled, and the connection device can be connected with a driving mechanism for supplying power for the rotary-cut saw. The resin gypsum efficient depth-keeping drilling device is simple in structure, simple and convenient to operate, stable and reliable in work, and capable of overcoming the labor-consuming, time-consuming and unsafe defects of the cutting drilling by common cutters in the prior art, the work efficiency of improving the removal rate of resin gypsum molds can be greatly improved by effectively reducing the use of a steel wire saw, the pain of a patient is reduced, the surgical effect is improved, and the rehabilitation of the wrist joint function of the patient is more facilitated. The drilling efficiency in the gypsum molds can be greatly improved by more than 5 times by using the efficient depth-keeping drilling device for the resin gypsum for fixing limbs.

Description

technical field [0001] The invention belongs to the technical field of orthopedic fixation, and in particular relates to a high-efficiency fixed-depth drilling device for limb fixation with resin gypsum, which is suitable for replacement and reset of wrist joint prosthesis. Background technique [0002] Neonatal developmental dislocation of the hip based on mechanical theory, hormonal theory (causing joint laxity) or primary joint dysplasia and genetic theory is very common clinically, or the hip joint is abnormal due to breech presentation Dislocation of the femoral head caused by mechanical pressure in the flexion position; or the relaxation of the pelvic ligament due to the influence of estrogen in women during childbirth, which affects the fetus in the uterus, causing ligament relaxation, and newborns are also prone to femoral head dislocation; There may also be a family history of primary acetabular dysplasia. The clinical manifestations are lower limb movement disorde...

AI Technical Summary

Problems solved by technology

In order to save time, the doctor will mark the position of the pre-opening hole, and ask the parents to carefully open the hole with a sharp knife at home to reduce the operation time, but it is very troublesome after all. child's situation

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