A treatment bed that can realize multi-directional movement

Abstract

A therapy bed implementing multidirectional movements. The therapy bed comprises a base, a rotating bed body, a bed body, an intermediate bed body, an upper bed board, and a rotating board. The base and the rotating bed body have arranged therebetween a turbine worm apparatus, thus allowing the rotating bed body to move in rotation around the Z-axis relative to the base. A ball threaded rod between the rotating bed body and the bed body is used to allow the bed body to make forward, rearward, leftward, and rightward movements relative to the rotating bed body. A lifting threaded rod is arranged between the bed body and the intermediate bed body to allow the intermediate bed body to make upward and downward movements relative to the bed body. The intermediate bed body and the upper bed board are transmitted therebetween via a turbine worm transmission apparatus to allow the upper bed board to make leftward and rightward rotations around the Y-axis at small angles relative to the intermediate bed body. The upper bed board and the rotating bed board have arranged therebetween a gear pair transmission apparatus to allow the rotating board to make upward and downward rotations around the X-axis at small angles relative to the upper bed board. The therapy bed capable of implementing multidirectional movements is used for solving the problem of precision in therapy bed positioning.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a treatment couch capable of multi-angle movement in gamma knife equipment. Background technique [0002] Gamma Knife equipment must include a treatment bed that carries the patient. When the treatment bed is treating tumors in different parts of the patient, it needs to move up and down, left and right, and back and forth to adjust the irradiation position. Such as figure 1 As shown, the existing treatment bed includes a base, a bed, a middle bed and a bed board. But in fact, the treatment couch can only move in the X-axis direction, Y-axis direction, and Z-axis direction to compensate for the position error caused by the positioning of the radioactive source in the Gamma Knife equipment. However, in actual use, a position error of six degrees of freedom will occur, and the existing treatment bed cannot accurately position the patient, resulting in treatment error. Content...

AI Technical Summary

Problems solved by technology

However, in the actual use process, there will be a position error of six degrees of freedom, and the existing treatment bed cannot accurately position the patient, resulting in treatment error

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