A bed for radiation therapy of cervical cancer

Abstract

The invention discloses a bed for cervical cancer radiotherapy. The bed comprises a treatment bed plate, wherein a vaginal speculum fixing device is arranged on the treatment bed plate, and is mounted on the treatment bed plate through a sliding device; the sliding device can drive the vaginal speculum fixing device to move in the length direction and the width direction of the treatment bed plate; the vaginal speculum fixing device comprises a clamping piece, a vaginal speculum lifting device and an angle control piece; the clamping piece is used for clamping and fixing a vaginal speculum, and is connected with each of the vaginal speculum lifting device and the angle control piece; the vaginal speculum lifting device is used for controlling the clamping piece to ascend or descend; the angle control piece is used for controlling the rotating angle of the clamping piece on a plane on which the clamping piece is positioned. According to the bed for the cervical cancer radiotherapy, the space among a rectum, a uterus and a cervix can be effectively expanded; the irradiation positioning accuracy in a treatment process is guaranteed; the pain of a patient is lightened.

Description

technical field [0001] The invention belongs to the technical field of medical appliances, and in particular relates to a bed used for radiotherapy of cervical cancer. Background technique [0002] Radiotherapy is used to irradiate local lesions of cervical cancer. The methods used are as follows: 1. Post-loading irradiation (divided into two-dimensional and three-dimensional), all need to have a built-in applicator in the vagina and uterine cavity, and some patients need to use an interpolation needle to balance the dose. Insert gauze, and use gauze to fill the gap between the cervix and rectum; 2. Intensity-modulated radiotherapy. But there is following shortcoming in above-mentioned method: 1. need to insert in vagina or uterine cavity is source applicator, or adopt inserting needle, cause very big misery to patient. 2. Gauze cannot expand the space between the rectum and cervix well, especially for some patients whose cervical posterior wall tumors invade the space betw...

AI Technical Summary

Problems solved by technology

But there is following shortcoming in above-mentioned method: 1. need to insert in vagina or uterine cavity is source applicator, or adopt inserting pointer, cause very big misery to patient

2. Gauze cannot expand the space between the rectum and cervix very well, especially for some patients whose cervical posterior wall tumors invade the space between the cervix and rectum; during the irradiation process, the dose of local lesions is insufficient

3. The biggest disadvantage of intensity-modulated radiotherapy is the mobility of the cervix and uterus, and the displacement of the target area causes insufficient irradiation dose; at the same time, external irradiation of the rectum increases the patient's response, etc.

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