CN208541707U - Multifunctional abdominal radiotherapy precise locator - Google Patents

Abstract

The utility model discloses a multifunctional accurate positioning device for abdominal radiotherapy, which comprises a radiotherapy bed, two ends of the radiotherapy bed are respectively connected with a first longitudinal beam and a second longitudinal beam, and the first longitudinal beam and the second longitudinal beam are along the radiotherapy bed. The central axis of the first longitudinal beam is symmetrical, a longitudinal rod is fixed inside the first longitudinal beam, and a rod sleeve is sleeved on the longitudinal rod, a second lead screw and a second motor are installed inside the second longitudinal beam, and the second longitudinal beam is installed. The motor is located on one side of the second lead screw, the second lead screw and the second motor are rotatably connected through a rotating shaft, and the second lead screw is provided with a second nut seat, and the tops of the rod sleeve and the second nut seat are both A support rod is connected, and the utility model is provided with two lead screws and a hydraulic pump, and the two mutually perpendicular lead screws respectively drive the radiotherapy probe to move in the horizontal and vertical directions, so as to realize the accurate movement of the radiotherapy probe to the correct position of the patient's affected part. Above, no manual movement is required, and there is no need to move the patient and the radiotherapy table, which is convenient to use.

Description

Multifunctional abdominal radiotherapy precise locator

technical field

The utility model belongs to the technical field of medical appliances, in particular to a multifunctional accurate positioning device for abdominal radiotherapy.

Background technique

Precision radiotherapy is three-dimensional conformal intensity-modulated radiotherapy, which refers to a tumor treatment method that combines radiotherapy medicine with computer network technology and physics. The entire radiotherapy process is controlled by computer. The purpose of radiotherapy is to maximize the Concentrate the radiation dose into the lesion area (target area) to kill tumor cells, while surrounding normal tissues or organs receive less or no unnecessary radiation, some important organs such as brain stem, lens, spinal cord, kidney, gonad, etc. , then special protection is required. Traditional radiotherapy techniques (that is, conventional two-field, four-field and other conventional penetrating irradiation techniques performed by many medical institutions) are only the primary stage to achieve this purpose. One-time or permanent damage to tissues and organs, even at the expense of some vital organs, is a kind of treatment in a pure sense.

At present, when the existing abdominal radiotherapy precise locator is used, the radiotherapy probe cannot be accurately aimed at the patient's affected area, which is prone to deviation, and even leads to damage to normal tissues outside the radiotherapy area, which increases the pain of the patient during the treatment process, and also provides medical care. The work of the personnel creates a lot of trouble.

Utility model content

The purpose of the present utility model is to provide a multifunctional accurate positioning device for abdominal radiotherapy, so as to solve the problem that the radiotherapy probe cannot be accurately aimed at the affected part of the patient, which is prone to deviation, resulting in damage to normal tissues outside the radiotherapy area, and increases the treatment of patients. The pain in the process has brought many troublesome problems to the work of medical staff.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multifunctional accurate positioning device for abdominal radiotherapy, including a radiotherapy couch, two ends of the radiotherapy couch are respectively connected with a first longitudinal beam and a second longitudinal beam, and the first longitudinal beam is Symmetrical with the second longitudinal beam along the central axis of the radiotherapy bed, a longitudinal rod is fixed inside the first longitudinal beam, and a rod sleeve is sleeved on the longitudinal rod, and a second lead screw is installed inside the second longitudinal beam and the second motor, and the second motor is located on one side of the second lead screw, the second lead screw and the second motor are rotatably connected through the rotating shaft, and the second lead screw is provided with a second nut seat, the rod sleeve A support rod is connected with the top of the second nut seat, and the two support rods are located above the first longitudinal beam and the second longitudinal beam respectively, the top of the two support rods is fixed with a cross beam, and the two support rods are Perpendicular to the beam, a first motor and a first lead screw are fixed inside the beam, and the first motor is located on one side of the first lead screw, the first lead screw and the first motor are rotatably connected through a rotating shaft, and the first lead screw is A first nut seat is fixed on the lead bar, a hydraulic pump is connected to the bottom of the first nut seat, and a hydraulic telescopic rod is connected to the bottom of the hydraulic pump, and an end of the hydraulic telescopic rod away from the hydraulic pump is fixed with a precise irradiation field A radiotherapy cover, and a probe is installed at the inner top of the precise irradiation field radiotherapy cover, an airbag is fixed at the edge of the open end of the precise irradiation field radiotherapy cover, and an inflation hole is arranged on the airbag, and a control device is installed at the end of the radiotherapy bed. The first motor, the second motor and the hydraulic pump are all electrically connected to the controller.

Preferably, the tops of the first longitudinal beam and the second longitudinal beam are both provided with strip-shaped grooves.

Preferably, a rubber stopper is provided on the inflation hole.

Preferably, the radiotherapy bed is provided with a fixing belt.

Preferably, the precise irradiation field radiation therapy cover is a hollow cuboid structure.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) The utility model is provided with two lead screws and a hydraulic pump, and the two mutually perpendicular lead screws drive the radiotherapy probe to move in the horizontal and vertical directions respectively, so as to accurately move the radiotherapy probe to directly above the affected part of the patient. , does not need manual movement, nor does it need to move the patient and the radiotherapy bed, which is easy to use, and then drives the radiotherapy probe to move up and down through the hydraulic pump, which is convenient to adjust the distance between the radiotherapy probe and the patient's affected area, so as to realize the adjustment of the radiotherapy area;

(2) In the present utility model, an airbag is set at the open end of the radiotherapy cover for the precise irradiation field, and the airbag is filled with gas to expand, which is convenient for the precise irradiation field radiotherapy cover to fit the affected part of the patient better during the radiotherapy process, and avoids the leakage of radiotherapy rays. , which is beneficial to improve precise radiotherapy, and can also avoid normal tissue damage outside the radiotherapy area, reducing the pain of patients.

Description of drawings

Fig. 1 is the top view one of the utility model;

Fig. 2 is the top view two of the utility model;

Fig. 3 is the right side view of the utility model;

Fig. 4 is the front view of the utility model;

5 is a bottom view of the precise irradiation field radiotherapy cover of the present invention;

Fig. 6 is the circuit block diagram of the utility model;

In the figure: 1-controller; 2-radiotherapy bed; 3-longitudinal rod; 4-beam; 5-rod cover; 6-first longitudinal beam; 7-first lead screw; 8-second lead screw; 9- 10-first motor; 11-second longitudinal beam; 12-second motor; 13-support rod; 14-first nut seat; 15-hydraulic pump; 16-hydraulic telescopic rod; 17-probe ; 18- precise irradiation field radiotherapy cover; 19- inflatable hole; 20- air bag.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-6 , the present invention provides a technical solution: a multi-functional accurate positioning device for abdominal radiotherapy, comprising a radiotherapy couch 2, and two ends of the radiotherapy couch 2 are respectively connected with a first longitudinal beam 6 and a second longitudinal beam 11, And the first longitudinal beam 6 and the second longitudinal beam 11 are symmetrical along the central axis of the radiotherapy bed 2, the longitudinal rod 3 is fixed inside the first longitudinal beam 6, and the longitudinal rod 3 is covered with a rod cover 5, and the second longitudinal beam A second lead screw 8 and a second motor 12 are installed inside the 11, and the second lead screw 12 is located on one side of the second lead screw 8. The second lead screw 8 and the second motor 12 are rotatably connected by a rotating shaft, and the second lead screw 8 is connected to the second lead screw 12. The bar 8 is provided with a second nut seat 9 , the tops of the rod sleeve 5 and the second nut seat 9 are connected with support rods 13 , and the two support rods 13 are located above the first longitudinal beam 6 and the second longitudinal beam 11 respectively. , the top of the two support rods 13 is fixed with a beam 4, and the two support rods 13 are both perpendicular to the beam 4, the interior of the beam 4 is fixed with a first motor 10 and a first lead screw 7, and the first motor 10 is located in the first On one side of the lead screw 7, both the second motor 12 and the first motor 10 use GS0075A drive motors, the first lead screw 7 and the first motor 10 are rotatably connected through a rotating shaft, and a first nut seat is fixed on the first lead screw 7 14. A hydraulic pump 15 is connected to the bottom of the first nut seat 14, and a hydraulic telescopic rod 16 is connected to the bottom of the hydraulic pump 15. The end of the hydraulic telescopic rod 16 away from the hydraulic pump 15 is fixed with a precise irradiation field radiotherapy cover 18, and the precise irradiation is performed. A probe 17 is installed on the inner top of the radiation field cover 18. The precise radiation field radiation cover 18 is used to cover the affected part of the patient to prevent damage to the normal area outside the radiation therapy area. A balloon 20 is fixed at the edge of the opening end of the precision radiation radiation cover 18. , and the airbag 20 is provided with an inflatable hole 19, the airbag 20 enables the precise irradiation field radiotherapy cover 18 to fit well with the skin of the patient's affected area, which is conducive to preventing radiation leakage from the radiotherapy. The first motor 10 , the second motor 12 , the hydraulic pump 15 and the probe 17 are all electrically connected to the controller 1 , and the probe 17 is responsible for performing radiotherapy on the affected part of the patient.

In order to facilitate the connection between the rod sleeve 5 and the second nut seat 9 and the support rod 13 , in this embodiment, preferably, the tops of the first longitudinal beam 6 and the second longitudinal beam 11 are both provided with strip-shaped grooves.

In order to seal the inflation hole 19 and prevent air leakage, in this embodiment, preferably, a rubber plug is provided on the inflation hole 19 .

In order to prevent the patient from moving at will during the treatment, in this embodiment, preferably, a fixed belt is provided on the radiotherapy couch 2 .

In order to completely cover the affected part of the patient, in this embodiment, preferably, the precise irradiation field radiation therapy cover 18 is a hollow cuboid structure.

The working principle and use process of the present utility model: when in use, the patient lies on the radiotherapy bed 2, turns on the power supply, controls the first motor 10 and the second motor 12 to work through the controller 1, and controls the first motor 10 and the second motor 12 to work through the first motor 10 and the second motor 12 The work drives the first lead screw 7 and the second lead screw 8 to rotate respectively, and the first lead screw 7 and the second lead screw 8 respectively drive the first nut seat 14 and the second nut seat 9 to move through the rotation of the first lead screw 7 and the second lead screw 8. The movement of 14 and the second nut seat 9 respectively drives the probe 17 to move in the horizontal and vertical directions, so as to move the probe 17 to just above the affected part of the patient, and then the controller 1 controls the hydraulic pump 15 to work, and the hydraulic pump 15 works to drive the hydraulic expansion and contraction. The rod 16 is telescopic, and the probe 17 and the precise irradiation field radiotherapy cover 18 are moved up and down together through the telescopic rod 16, and the precise irradiation field radiotherapy cover 18 is lowered to cover the affected part of the patient. At this time, the gas in the air bag 20 makes the precise irradiation field radiotherapy cover The bottom of the 18 is in good contact with the patient's skin, which is beneficial for the probe 17 to perform precise radiotherapy, and then the probe 17 can treat the affected part of the patient.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A multifunctional precise positioning device for abdominal radiotherapy, comprising a radiotherapy couch (2), characterized in that: a first longitudinal beam (6) and a second longitudinal beam (11) are respectively connected to both ends of the radiotherapy couch (2), And the first longitudinal beam (6) and the second longitudinal beam (11) are symmetrical along the central axis of the radiotherapy bed (2), the longitudinal rod (3) is fixed inside the first longitudinal beam (6), and the longitudinal rod ( 3) A rod sleeve (5) is sleeved on the upper part, a second lead screw (8) and a second motor (12) are installed inside the second longitudinal beam (11), and the second motor (12) is located in the second longitudinal beam (11). On one side of the lead screw (8), the second lead screw (8) is rotatably connected with the second motor (12) through a rotating shaft, and the second lead screw (8) is provided with a second nut seat (9), so A support rod (13) is connected to the top of the rod sleeve (5) and the second nut seat (9), and the two support rods (13) are respectively located on the first longitudinal beam (6) and the second longitudinal beam (11) Above, the top of the two support rods (13) is fixed with a cross beam (4), and the two support rods (13) are both perpendicular to the cross beam (4), and a first motor is fixed inside the cross beam (4). (10) and a first lead screw (7), and the first motor (10) is located on one side of the first lead screw (7), the first lead screw (7) and the first motor (10) are rotated through a rotating shaft connected, and a first nut seat (14) is fixed on the first screw (7), the bottom of the first nut seat (14) is connected with a hydraulic pump (15), and the bottom of the hydraulic pump (15) is connected with a A hydraulic telescopic rod (16), one end of the hydraulic telescopic rod (16) away from the hydraulic pump (15) is fixed with a precise irradiation field radiotherapy cover (18), and a probe ( 17), an airbag (20) is fixed at the edge position of the open end of the precise irradiation field radiotherapy cover (18), and the airbag (20) is provided with an inflation hole (19), and the radiotherapy bed (2) is installed at the end of the bed There is a controller (1), and the first motor (10), the second motor (12) and the hydraulic pump (15) are all electrically connected to the controller (1). 2 . The multifunctional precise positioning device for abdominal radiotherapy according to claim 1 , wherein the tops of the first longitudinal beam ( 6 ) and the second longitudinal beam ( 11 ) are both provided with strip-shaped grooves. 3 . 3 . The multifunctional precise positioning device for abdominal radiotherapy according to claim 1 , wherein a rubber plug is arranged on the air-filled hole ( 19 ). 4 . 4 . The multifunctional precise positioning device for abdominal radiotherapy according to claim 1 , wherein a fixing belt is provided on the radiotherapy bed ( 2 ). 5 . 5 . The multifunctional precise positioning device for abdominal radiotherapy according to claim 1 , wherein the precise irradiation field radiotherapy cover ( 18 ) has a hollow cuboid structure. 6 .