Shoulder joint motion range measuring device

Abstract

The invention provides a shoulder joint motion range measuring device. The shoulder joint motion range measuring device comprises a support, a shoulder measuring assembly and a stopping mechanism. The support comprises a stand column extending in the vertical direction. The shoulder measuring assembly comprises a fixed disc installed on the stand column and a movable disc rotatably installed in the fixed disc; the movable disc comprises a shell with an inner cavity, and a shoulder joint movable arm is hinged to the shell; the stopping mechanism is arranged in the inner cavity of the shell and comprises a circular ring structure with a notch, and a stopping layer is arranged on the outer side of the circular ring structure. When the head end and the tail end of the circular ring structure can abut against each other, the whole circular ring structure is subjected to compression force, and the stopping layer is far away from the inner wall of the shell; and when the head end and the tail end of the circular ring structure move separately, the whole circular ring structure is subjected to drawing force, the stopping layer presses the inner wall of the shell, and stopping of the movable disc is achieved. According to the invention, the movable disc is fixed through the stop mechanism, so that distortion of measured data caused by shaking generated when a patient maintains actions does not need to be worried, and measurement errors are effectively reduced.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a measuring device for the range of motion of a shoulder joint. Background technique [0002] The shoulder joint is the joint with the largest and most flexible range of motion in the human body. It can be used for flexion, extension, retraction, expansion, rotation, and circular motion, and it plays an irreplaceable role in daily life. The limited range of motion of the shoulder joint is a problem faced by all patients after breast cancer surgery, and it will have adverse effects on the adjuvant radiotherapy and quality of life of breast cancer survivors. Therefore, the recovery of the range of motion of the shoulder joint in patients with breast cancer after surgery is an important indicator of the functional recovery of the affected limb. Measuring the range of motion of the shoulder joint before and after breast cancer surgery is of great significance for guiding pa...

AI Technical Summary

Problems solved by technology

[0004] However, there are such problems in the actual operation of the common joint range of motion measuring ruler: 1. Since the nurse holds the measuring ruler to measure, the center of the measuring ruler dial is easy to deviate from the patient's body surface measurement mark, which easily leads to measurement errors; 2. The patient's physical examination There are often compensatory actions such as body tilting and shrugging, which make the patient prone to shaking when maintaining the action, resulting in distortion of the measurement data of the degree of activity

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