Multi-angle head supporting traction device
A traction device, multi-angle technology, applied in fractures, medical science, etc., can solve the problem that the traction frame cannot rotate
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Embodiment 1
[0034] Embodiment 1: The retainer 10 is provided with a plurality of threaded holes 10.1 at equal intervals in the circumferential direction, and suitable positioning points can be adopted according to the actual conditions of different patients, so that the four skull nails 20 can fix the patient's head.
Embodiment 2
[0035] Embodiment 2: The holder 10 has six spatial degrees of freedom, wherein the rotational connection between the holder 10 and the turret 9 constitutes the horizontal axis of freedom, the rotatable connection between the turret 9 and the chute frame 8 constitutes the vertical axis of freedom, and the chute The frame 8 and the yaw arm 7 are rotatably connected to form the degree of freedom of vertical axis rotation. The lifting action of the lifting column 5 constitutes the degree of freedom of vertical axis movement. The forward and backward movement of the guide cylinder 2 constitutes the degree of freedom of vertical axis movement. The rotational connection constitutes the freedom of movement of the transverse axis; the abundant degrees of freedom enable the cage 10 to achieve multi-angle traction on the patient's head.
Embodiment 3
[0036] Embodiment 3: The electric cylinder 4 drives the guide cylinder 2 to move backward so that the holder 10 can pull the patient's head; when the horizontal swing arm 7 is in the longitudinal state and the center of the turret 9 is at the same height as the center of the patient's head, it can be To achieve longitudinal axis traction on the patient's head; when the swing arm 7 is in a longitudinal state and the center of the turret 9 is higher than the center of the patient's head, it can achieve upward traction on the patient's head; when the swing arm 7 is in a longitudinal state and rotates When the center of the frame 9 is lower than the center of the patient's head, the patient's head can be pulled downward; when the yaw arm 7 is rotated to the left and positioned, the holder 10 can be moved to the left and the rotatable frame 9 is clockwise. Deflection, so as to achieve leftward traction on the patient's head; when the yaw arm 7 is rotated to the right and positioned,...
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