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CN-122006148-A - Gynecological radiotherapy body position fixing and positioning auxiliary device

CN122006148ACN 122006148 ACN122006148 ACN 122006148ACN-122006148-A

Abstract

The invention relates to the technical field of radiotherapy position fixing, and discloses a gynecological radiotherapy position fixing and positioning auxiliary device, which comprises a bed body, wherein the top of the bed body is connected with a bed plate in a sliding manner, the positioning auxiliary device further comprises a positioning component and a compensating component, the compensating component is divided into an installation part, a linkage part and an execution part, the installation part is connected with the positioning component and then is used for positioning the chest of a patient, the execution part is used for driving the bed plate to translate, and the linkage part can control the output parameters of the execution part according to the fluctuation of the positioning component caused by the respiration of the patient, so that the bed plate compensates the offset distance of the target point of the chest of the patient through the translation. Through the cooperation of locating component and compensation component for the stable fixed of chest position is realized to locating plate laminating patient's thorax, and the accurate translation of bed board is converted into to the thorax fluctuation that the compensation component was breathed the patient and is aroused, and dynamic compensation thorax target offset distance ensures that the radiotherapy ray aims at the target all the time, promotes the radiotherapy precision.

Inventors

  • LI QIAN

Assignees

  • 江苏省肿瘤医院

Dates

Publication Date
20260512
Application Date
20260407

Claims (10)

  1. 1. The gynecological radiotherapy posture fixing and positioning auxiliary device comprises a lathe bed (1) and is characterized in that the top of the lathe bed (1) is connected with a bed plate (2) in a sliding manner; the device also comprises a positioning component (3) and a compensating component (4), wherein the compensating component (4) is divided into an installation part, a linkage part and an execution part, the installation part is connected with the positioning component (3) and then is used for positioning the chest of a patient, and the execution part is used for driving the bed board (2) to translate; The linkage part can control the output parameters of the execution part according to the fluctuation of the positioning component (3) caused by the respiration of the patient, so that the bed board (2) compensates the offset distance of the thoracic cavity target point of the patient through translation.
  2. 2. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 1, wherein the positioning assembly (3) comprises a positioning plate (31) which can be attached to the chest of a patient, and two connecting rods (32) are connected to the positioning plate (31).
  3. 3. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 2, wherein two mounting parts are arranged, two connecting rods (32) are respectively inserted into the two mounting parts, each mounting part comprises a base (41) and a sliding rod (42), the bases (41) are connected onto the bed plate (2), the sliding rods (42) are slidably inserted into the bases (41), and the connecting rods (32) can be slidably inserted into the sliding rods (42).
  4. 4. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 3, wherein the executing part comprises an air cylinder (46), the air cylinder (46) is arranged on the lathe bed (1), the output end of the air cylinder (46) is connected with the bed plate (2), and a controller (461) for controlling the output of the air cylinder (46) through sliding is arranged on the air cylinder (46).
  5. 5. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 4, wherein the linkage part comprises a sliding shaft (43), a movable plate (44) and a groove block (45), the movable plate (44) is horizontally and slidably arranged on the side wall of the lathe bed (1), the movable plate (44) is connected with the controller (461), the groove block (45) is arranged on the movable plate (44), the sliding shaft (43) is connected to a sliding rod (42) close to the air cylinder (46), a sliding groove is arranged on the groove block (45), the sliding shaft (43) is slidably connected with the sliding groove of the groove block (45), and the sliding shaft (43) drives the groove block (45) to horizontally move through the sliding groove when vertically moving.
  6. 6. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 5, wherein the movable plate (44) is provided with a calibration mechanism (5), the calibration mechanism (5) comprises a rotary plate (51), a sliding seat (54) and a first adjusting screw rod (55), the groove block (45) is provided with a rotary shaft, the groove block (45) is rotationally connected with the movable plate (44) through the rotary shaft, the rotary plate (51) is connected to one end, far away from the groove block (45), of the rotary plate (51) through the rotary shaft, a pin shaft (53) is connected to the rotary plate (51), the pin shaft (53) deviates from the circle center of the rotary plate (51), the sliding seat (54) is horizontally and slidably connected to the movable plate (44), the first adjusting screw rod (55) is rotationally arranged on the movable plate (44), the first adjusting screw rod (55) is in threaded connection with the sliding seat (54), a vertical sliding groove is arranged on the sliding seat (54), and the pin shaft (53) is slidably connected with the vertical sliding groove block (45) through the pin shaft (53) when the sliding seat (54) horizontally moves.
  7. 7. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 6, wherein a pointer (52) is arranged on the rotary table (51), a group of scales are arranged on the movable plate (44), and the pointer (52) is matched with the scales to display the current angle of the groove block (45).
  8. 8. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 6, wherein a limiting shaft (47) is connected to the bottom of the sliding rod (42), the limiting shaft (47) is horizontally arranged, a limiting rod (48) is hinged to the base (41), and the limiting rod (48) can prop against the bottom of the limiting shaft (47) to lock the sliding rod (42).
  9. 9. A gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 3, wherein a positioning screw rod (49) is arranged on the sliding rod (42) in a threaded mode, an anti-slip sheet (33) is connected to the connecting rod (32), and the positioning screw rod (49) can abut against the anti-slip sheet (33) after the connecting rod (32) is inserted into the positioning screw rod (49).
  10. 10. The gynecological radiotherapy body position fixing and positioning auxiliary device according to claim 1, wherein the bed plate (2) is provided with an arm supporting mechanism (6) and a sound box (7), the arm supporting mechanism (6) comprises a supporting plate (61), a nut seat (63) and a second adjusting screw rod (65), the supporting plate (61) is hinged to the bed plate (2), the nut seat (63) is horizontally and slidably connected to the bed plate (2), the second adjusting screw rod (65) is rotatably arranged on the bed plate (2), the second adjusting screw rod (65) is in threaded connection with the nut seat (63), a connecting rod (64) is hinged between the nut seat (63) and the supporting plate (61), two handles (62) are arranged on the supporting plate (61), and the sound box (7) is used for playing breathing rhythm prompt information.

Description

Gynecological radiotherapy body position fixing and positioning auxiliary device Technical Field The invention relates to the technical field of radiotherapy position fixing, in particular to a gynecological radiotherapy position fixing and positioning auxiliary device. Background Radiotherapy is a common noninvasive treatment means in gynecological disease treatment, the principle is that cancer cells are killed by precisely irradiating pathological tissues through high-energy rays, the purposes of controlling the state of illness and improving the prognosis of a patient are achieved, wherein gynecological thoracic position radiotherapy is mainly used for carrying out treatment on gynecological lesions near the thoracic cavity, in the treatment process, a patient needs to be guided to keep a specific position, then pathological target points are precisely marked, radiotherapy equipment is started, rays are continuously irradiated aiming at the target points, the position of the patient is ensured to be stable, a position fixing device is generally utilized for fixing the position of the patient in the prior art, the position of the target points is mainly guaranteed to be stable during treatment, the position of the target points is ensured to be stable, the patient is helped to keep a preset position during the whole radiotherapy process, and support is provided for the accuracy of target point positioning and the smooth development of radiotherapy. However, in the prior art, the following problems exist: because the aircraft nose of radiotherapy equipment is usually kept fixed at the in-process of penetrating the ray, and patient's chest is fluctuated in-process can lead to the target to produce certain skew, this just leads to the target area that the ray shines to easily take place to rock at the radiotherapy in-process, and then leads to the ray to shine the position skew, influences the radiotherapy precision, increases the risk of damage healthy tissue. Disclosure of Invention The invention aims to solve the problems and provide a gynecological radiotherapy posture fixing and positioning auxiliary device which aims to overcome the defect that a target spot is offset to a certain extent in the process of breast fluctuation of a patient, so that a target area irradiated by rays is easy to shake in the radiotherapy process, and the defect is described in detail below. In order to achieve the above purpose, the present invention provides the following technical solutions: The invention provides a gynecological radiotherapy body position fixing and positioning auxiliary device which comprises a lathe bed, wherein the top of the lathe bed is connected with a bed plate in a sliding manner, the gynecological radiotherapy body position fixing and positioning auxiliary device further comprises a positioning assembly and a compensating assembly, the compensating assembly is divided into an installation part, a linkage part and an execution part, the installation part is connected with the positioning assembly and then is used for positioning the thoracic cavity of a patient, the execution part is used for driving the bed plate to translate, the linkage part can control the output parameters of the execution part according to the fluctuation of the positioning assembly caused by the respiration of the patient, and the bed plate can compensate the offset distance of the target point of the thoracic cavity of the patient through the translation. Preferably, the positioning assembly comprises a positioning plate which can be attached to the chest of a patient, and two connecting rods are connected to the positioning plate. Preferably, the two mounting portions are arranged, the two connecting rods are respectively inserted into the two mounting portions, the mounting portions comprise bases and sliding rods, the bases are connected onto the bed board, the sliding rods are inserted into the bases in a sliding mode, and the connecting rods can be inserted into the sliding rods in a sliding mode. Preferably, the executing part comprises a cylinder, the cylinder is arranged on the bed plate, the output end of the cylinder is connected with the bed plate, and a controller for controlling the output of the cylinder through sliding is arranged on the cylinder. Preferably, the linkage part comprises a sliding shaft, a movable plate and a groove block, wherein the movable plate is horizontally and slidably arranged on the side wall of the machine body, the movable plate is connected with the controller, the groove block is arranged on the movable plate, the sliding shaft is connected to a sliding rod close to the air cylinder, a sliding groove is formed in the groove block, the sliding shaft is slidably connected with the sliding groove of the groove block, and the sliding shaft drives the groove block to horizontally move through the sliding groove when vertically moving. Preferably, the movable plate is provided with a c