JPH07275278A - Orthopedic mobile traction device - Google Patents

Abstract

PURPOSE:To assist a nurse and eliminate the fluctuation of traction force so as to reduce the danger of an accident generated in association with the fitting/ removal of a weight by converting the inclination of an oscillating arm into driving force by the action of a return spring so as to move a movable part automatically along the rail according to the posture change of a patient. CONSTITUTION:A rail 1 is provided with a frame 3 through rollers 2, and an arm 6 supported by a bearing 5 is fitted to the fixed shaft 4 of the frame 3. The arm 6 is oscillated in the direction of arrow marks C-C, but its movement is limited by a return spring 11. A traction rope 12 is jointed to a lesion and fitted with a weight in the direction of an arrow mark B through a pulley 7 and an auxiliary pulley 10, and the rail 1 is fixed to the edge or the like of a bed by a fixing screw. The parts excluding the rail 1 and the fixing screw are integrated into a movable part so as to move along the rail 1. When the angle of the traction rope 12 is changed by the posture change of a patient, the arm 6 is temporarily inclined in the direction of arrow marks C-C, and the resetting force of the return spring 11 works laterally, so that the movable part moves along the rail 1 until becoming well-balanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traction device used in orthopedic surgery.

[0002]

2. Description of the Related Art Conventionally, an apparatus for pulling an affected area in orthopedics has been used by passing a rope through a pulley attached to a column fixed to the end of a bed and attaching a weight to the tip. .

[0003]

However, in the conventional method, when the patient's position is temporarily changed during nursing, in order to maintain the tension and angle of the traction, one nurse can manually handle the tension. While pulling the rope with the weight removed,
Several others had to move in time to change patient positions. For this reason, two or more staff members are always required for nursing involving a change in the patient's posture, and there is a possibility of a fall accident due to the attachment / detachment of the weight, and the traction force during nursing has to rely on human intervention. There were drawbacks such as. And, there is no device that solves such a drawback. The present invention aims to solve the above problems with a simple device.

[0004]

The device of the present invention will be described with reference to the drawings. A rail 1 has a frame 3 with rollers 2 interposed therebetween. An arm 6 supported by a bearing 5 is attached to the frame 3 and is supported by a bearing 5. The arm 6 swings in the direction of arrow C-C, but its movement is restricted by a return spring 11. The tow rope 12 joins the affected part in the direction of arrow A, and attaches a weight in the direction of arrow B via the pulley 7 and the auxiliary pulley 10. The rail 1 is fixed to a bed edge or the like using a fixing screw 13. The rail 1 and the portion excluding the fixing screw 13 are integrated (hereinafter referred to as the movable portion) rail 1
Move along. The present device is characterized by the above structure.

[0005]

[Function] This device allows the tow rope 1 to be adjusted by changing the patient's posture.
When the angle 2 changes, the arm 6 is temporarily tilted in one of the directions of arrows C-C due to imbalance, and the return spring 11
The force to return to the original works laterally, so that the movable part moves along the rail 1 until the balance is achieved. The auxiliary pulley 10 is attached for the purpose of preventing the weight from swinging largely due to the movement of the movable portion.

[0006]

According to the present invention, a nurse can perform work without changing the posture of a patient without being aware of the traction device. Further, the traction force received by the patient is constant and stable during the work. Moreover, it is not necessary to attach and detach the weight associated with the work.

[Brief description of drawings]

FIG. 1 is an elevation view (side view) of the present invention.

FIG. 2 is an elevation view (front view) of the present invention.

[Explanation of symbols]

1 is a rail, 2 is a roller, 3 is a frame, 4 is a fixed shaft, 5 is a bearing, 6 is an arm, 7 is a pulley, 8 is an auxiliary pulley shaft, 9 is a retaining collar, 10 is an auxiliary pulley, 1
1 is a return spring, 12 is a tow rope, 13 is a fixing screw

Claims (1)

[Claims] 1. A return spring (1) for tilting an oscillating arm (6).
An orthopedic traction device that automatically moves along the rail (1) according to a change in the body position of a patient by being converted into a driving force by the action of 1).