CN112245813A

CN112245813A - Movable gynecological tumor radiotherapy platform equipment

Info

Publication number: CN112245813A
Application number: CN202011122162.4A
Authority: CN
Inventors: 王娟; 郭嘉; 李明; 龚拓拓; 袁维
Original assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-01-22
Anticipated expiration: 2040-10-20
Also published as: CN112245813B

Abstract

The invention discloses movable gynecological tumor radiotherapy platform equipment which comprises a moving table, a moving bed body, a rear bearing component, a moving device, a source applicator fixing component and a front bearing component, wherein the moving device is horizontally and slidably connected to the moving table and is used for moving the moving bed body, the front bearing component is detachably fixed on the moving bed body, the moving bed body comprises a bed body frame and a front bed plate for bearing the waist and the back, the front bed plate is hinged and installed in the bed body frame, the front bearing component is positioned between the rear bearing component and the front bed plate, and the source applicator fixing component relatively fixes the source applicator, a human body and the moving bed body. Therefore, the invention can effectively prevent the position of the applicator from changing and ensure the reliable guiding effect of the simulated positioning on the radioactive source implantation.

Description

Movable gynecological tumor radiotherapy platform equipment

Technical Field

The invention belongs to the field of medical instruments, and relates to movable gynecological tumor radiotherapy platform equipment.

Background

Cervical cancer is a common gynecological tumor in China, and afterloading intracavitary radiotherapy is an essential treatment method for radiotherapy of cervical cancer in middle and late stages, and the process adopting the treatment method comprises the following steps: firstly, the applicator is implanted into affected areas such as uterine cavity from vagina, the simulation positioning is carried out by a two-dimensional or three-dimensional simulation positioning machine, after the radioactive source placement position is determined, the radioactive source is placed into the set treatment position by the applicator through a post-installation therapeutic machine. In the process, because the hospital often has the condition that the after-loading treatment machine and the simulation or CT positioning machine are not located at the same position, and a patient needs to move between the after-loading treatment bed and the simulation positioning bed in the treatment process, the body position of the patient is easy to change, the arrangement position of the applicator is changed, and the applicator falling-off event can happen. The resetting of the applicators increases the treatment time and discomfort of the patient on the one hand, and on the other hand is more likely to result in the invalidation of the results of the previous simulation positioning, which requires the simulation positioning to be performed again, thus seriously affecting the treatment implementation process. Although some bed bodies are provided with components for supporting legs, the components are inconvenient to arrange, are often far away from the roots of thighs to support other parts of the legs, and can not prevent the movement and posture change of human body parts such as waist and hip parts close to the applicators in the moving process.

Disclosure of Invention

The invention aims to provide movable gynecological tumor radiotherapy platform equipment to solve the technical problem that in the prior art, in the radiation treatment process in a rear cavity, the position and the body position of a patient are easy to move in the moving process among different sickbeds, so that the position of a source applicator in a human body is influenced and changed, and even falls off.

The movable gynecological tumor radiotherapy platform equipment comprises a moving table, a bed body, a rear bearing component for bearing shanks, a moving device, a source applicator fixing component and a front bearing component for bearing thighs, wherein the moving device is horizontally connected to the moving table in a sliding mode and used for moving the bed body, the bed body is a movable bed body capable of being movably placed on a sickbed, the front bearing component is detachably fixed on the movable bed body, the movable bed body comprises a bed body frame and a front bed plate for bearing the waist and the back, the front bed plate is hinged and installed in the bed body frame, the front bearing component is located between the rear bearing component and the front bed plate, the source applicator fixing component comprises a source application mounting plate fixedly connected with a protruding part of a source applicator, a pair of mounting plate connecting structures symmetrically arranged on the source application mounting plate and a pair of elastic belts I, the center of the source applying mounting plate is provided with a central hole opposite to a channel in the source applying device, after a human body is placed in the source applying device, the mounting plate connecting structures are respectively and fixedly connected with the front supporting components at two sides to form a triangular source applying device supporting structure, and the elastic bridle I bypasses the upper side of the root of the thigh and is connected with the front bed plate to fix the waist and the hip and the source applying mounting plate.

Preferably, the mounting plate connecting structure comprises a first rotating pair, a second rotating pair, a connecting plate, a spherical pair connecting structure and a thread fixing structure, one end of the connecting plate is connected to the lower part of the source application mounting plate sequentially through the first rotating pair and the second rotating pair, the other end of the connecting plate is fixedly connected to the spherical pair connecting structure through the thread fixing structure, the rotating shaft directions of the first rotating pair and the second rotating pair are vertical, at least one of the rotating pairs can rotate in the left-right direction, and the spherical pair connecting structure is locked and fixed by the thread fixing structure at the same time when the connecting plate is fixed.

Preferably, the connecting plate is provided with equidirectional sliding grooves, the spherical pair connecting structure comprises a hollow fixing seat and a movable body, the thread fixing structure comprises a spherical screw and a fixed disk, the hollow fixing seat is fixed on the side surface of a front bearing plate of the front bearing component, the front bearing plate is attached below a thigh, the outward side of the hollow fixing seat is an inward spherical surface plate, the movable body is an irregular hemisphere, the spherical part of the movable body and the outward spherical part of the spherical plate form a spherical pair, the screw head of the spherical screw faces towards one side of the spherical surface and is provided with an inward concave spherical surface, the inward concave spherical surface and the inward spherical part of the spherical plate form a spherical pair, the center of the spherical plate is provided with a movable through hole for the spherical screw to move, the rod part of the spherical screw penetrates out the movable body and is perpendicular to the plane part of the movable body, the movable through hole is smaller than the concave spherical surface and larger than the rod part of the spherical screw, and when the connecting plate is fixed, the extending part of the rod part of the spherical screw penetrates out of the sliding groove and is fixedly connected with the threaded hole in the center of the fixed disc in a threaded manner.

Preferably, preceding bearing subassembly is including demountable installation preceding bearing base, the front end on the bed body frame are articulated preceding bearing plate and the scalable bracing piece on the preceding bearing base front end, scalable bracing piece one end articulates preceding bearing plate bottom and the other end articulates preceding bearing base rear end upper face, be equipped with the extension of locking mechanism in order to fix scalable bracing piece on the scalable bracing piece, be equipped with the elasticity band two of tying up the thigh on the preceding bearing plate, preceding bearing plate laminates below the thigh when using.

Preferably, preceding bearing base is U type structure and has middle groove, transversely be provided with preceding bearing crossbeam in the bed body frame, the rear end of preceding bed board with the middle part of bed body frame is articulated, preceding bearing crossbeam is located and is close the position of the rear end of preceding bed board, preceding bearing crossbeam inserts middle groove, be equipped with on the preceding bearing base and run through the fixed clamp screw of middle groove, the fixed clamp screw is connected the upper and lower board of preceding bearing base is in order to press from both sides tightly preceding bearing crossbeam.

Preferably, the bed body frame rear end still is fixed with the back and holds in the palm the crossbeam, the back holds in the palm the subassembly and includes back bearing base, rotation platform, two piece at least connection branch, back bearing platform and back bearing board, back bearing base sliding connection be in on the back bearing crossbeam, connection branch rotates in proper order through the joint that can lock and links together, and is the most leaned on the connection branch lower extreme is connected to through the joint that can lock the rotation platform, the rotation platform rotates to be installed above the back bearing base, leans on most connection branch is connected to through the joint that can lock the back bearing platform, rotate above the back bearing platform and be connected with back bearing board, back bearing board bearing shank when using.

Preferably, the moving device includes a moving bearing frame, moving support legs and a moving mechanism, the moving support legs are fixed below the left and right sides of the moving bearing frame, rollers are installed at the bottom ends of the moving support legs, locking bolts are fixed at the rear ends of the moving bearing frame, guide plates are symmetrically fixed on the left and right sides of the moving platform, guide grooves with openings facing the front are arranged in the guide plates in the same direction, the locking bolts are in sliding fit with the guide grooves and can be locked on the guide grooves, and the moving mechanism is installed on the moving bearing frame.

Preferably, the moving mechanism is respectively arranged on two groups of electric telescopic rods on the left side and the right side of the moving bearing frame, the electric telescopic rods on the same side are symmetrically arranged on the moving bearing frame in the front-back direction and are fixedly connected with each other through a horizontal beam plate, and all the electric telescopic rods synchronously lift and maintain the moving bed body to be horizontal.

Preferably, the preceding bearing crossbeam has two and is parallel to each other, is equipped with horizontal bar groove guide on the preceding bearing crossbeam preceding bearing base transversely slides, it runs through to insert perpendicularly on the preceding bearing base the sliding pin of intermediate tank, the sliding pin be the cylinder and with bar groove sliding fit. The utility model discloses a bed frame, including preceding bearing base, fixed clamping screw locates in pairs the left and right sides of preceding bearing base, preceding bearing base is fixed the back, fixed clamping screw is located between two preceding bearing crossbeams the opening direction of intermediate tank with the longitudinal direction of bed body frame is unanimous or is certain contained angle slope, interval between the preceding bearing crossbeam supplies fixed clamping screw adjusts the angle of slope and plays limiting displacement simultaneously.

The invention has the technical effects that: the invention can fix the part of human body provided with the applicator on the movable bed body which can be respectively arranged on the afterloading treatment bed and the simulation positioning bed, and simultaneously ensures that the applicator is fixed relative to the movable bed body and the human body. Therefore, the moving bed body can ensure that the applicator, the moving bed body and the human body are relatively fixed, and is matched with a moving device which can reduce the vibration and inclination phenomena generated in the moving process of the moving bed body.

Since the applicators are inserted through the vagina, it is critical to ensure that the position of the waist, hip and thigh near the vagina of the patient is kept relatively stable during movement and to effectively fix the position of the applicators relative to the body. The front supporting component fixed on the bed body supports and fixes the splayed thighs of the patient, and the front part of the front supporting component is positioned at the root of the thighs, so that the source applying mounting plate is connected with the front supporting component through the mounting plate connecting structure after the source applying device is fixed through the source applying mounting plate.

Because the mounting plate connecting structure forms a triangular connecting structure, and the distance between each movable point on the mounting plate connecting structure is fixed after the mounting plate connecting structure is fixed, the mounting plate connecting structure cannot move or rotate in the left-right direction, only can rotate a little in the front-back direction, and the elastic belts are bound on the waist, the hip and the upper parts of the thighs, so that the human body cannot move and displace obviously basically. The source applying installation plate is also relatively fixed at the vaginal opening, so that the source applying device, the human body and the movable bed body are relatively fixed, the reliability of the position fixing of the source applying device is effectively ensured, the position of the source applying device is not easily influenced by the movement of the human body, and spontaneous displacement and falling off caused by vibration can be avoided.

The preceding bearing subassembly that the bearing thigh is located thigh root can not only the translation adjustment position, can also adjust the contained angle of the relative bed body axis of horizontal direction, and can adjust the contained angle of relative horizontal plane, the turned angle of going up the bed board also can be adjusted, therefore the two can be adjusted with the support of adaptation to patient's health according to patient's comfortable degree and treatment needs, especially can effectively adapt to the open thigh of different gestures and buttock position, thereby can let the patient feel comparatively steady comfortable when removing when realizing fixed patient's health.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a human body fixed on a movable bed body in the invention.

Fig. 3 is a partially enlarged view of a region a after the human body is hidden in fig. 2.

Fig. 4 is a partially enlarged view of the region B in the structure shown in fig. 3.

Fig. 5 is a sectional view of the spherical pair connecting structure and the screw fixing structure in the structure shown in fig. 4.

Fig. 6 is a schematic structural view of the structure shown in fig. 2 at another viewing angle after the human body is hidden, wherein the viewing angle is perpendicular to the source applying mounting plate.

FIG. 7 is a block diagram of the source mounting plate and the source applicator in the configuration of FIG. 3

Fig. 8 is a top view of the present invention with the rear deck attached prior to use.

Fig. 9 is a left side view of the structure shown in fig. 6.

The labels in the figures are: 1. a movable table, 11, a guide plate, 12, a guide groove, 2, a movable bed body, 21, a front bed plate, 22, a bed body frame, 23, a bed body gap, 24, a support plate, 25, a rear support beam, 26, a front support beam, 27, a rear bed plate, 3, a rear support component, 31, a rear support base, 32, a connecting strut, 33, a rear support plate, 34, a rotating table, 35, a lockable joint, 4, a carrying and carrying frame, 5, a horizontal beam plate, 6, an electric telescopic rod, 7, a front support component, 71, a front support base, 72, a front support plate, 73, a telescopic strut, 74, an elastic strap II, 75, a fixed clamping screw, 8, an applicator fixing component, 81, an applicator mounting plate, 811, a clamp bolt, 812, a clamp, 813, a central hole, 82, an elastic strap I, 83, a mounting plate connecting structure, 831, a first rotating pair, 832 and a second rotating pair, 833. 834, a sliding groove, 835, a thread fixing structure, 836, a spherical pair connecting structure, 8361, a hollow fixing seat, 8362, a movable body, 8363, a movable through hole, 8351, a fixed disk, 8352, a spherical screw, 9 and a projecting part of the applicator.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.

As shown in fig. 1-8, the present invention provides a movable gynecological tumor radiotherapy platform device, which comprises a moving table 1, a bed body, a rear support assembly 3 for supporting the lower leg, a moving device, a source applicator fixing assembly 8 and a front support assembly 7 for supporting the upper leg. The moving device is horizontally and slidably connected to the moving table 1 and can move forward to a position where the moving bearing frame 4 is sleeved outside other sickbeds, the moving device is used for moving the bed body, the bed body is a moving bed body 2 capable of being movably placed on the sickbed, the front bearing component 7 is detachably fixed on the moving bed body 2, the moving bed body 2 comprises a bed body frame 22 and a front bed plate 21 for bearing the waist and the back, the front bed plate 21 is hinged and installed in the bed body frame 22, the front bearing component 7 is located between the rear bearing component 3 and the front bed plate 21, the applicator fixing component 8 comprises an applicator mounting plate 81 fixedly connected with the human body extending part of the applicator, a pair of mounting plate connecting structures 83 symmetrically arranged on the applicator mounting plate 81 and a pair of elastic belts 82, and after the human body is placed in the applicator, the mounting plate connecting structures 83 are respectively and fixedly connected with the front bearing components 7 at two sides to form a triangle The first elastic strap 82 is connected with the front bed board 21 by bypassing the upper side of the root of the thigh so as to fix the waist and the hip and the source applying mounting plate 81, and the center of the source applying mounting plate 81 is provided with a central hole 813 opposite to a channel in the source applying device.

The mounting plate connecting structure 83 includes a first revolute pair 831, a second revolute pair 832, a connecting plate 833, a spherical pair connecting structure 836 and a thread fixing structure 835, one end of the connecting plate 833 is connected to the lower portion of the source mounting plate 81 sequentially through the first revolute pair 831 and the second revolute pair 832, the other end of the connecting plate 833 is fixedly connected to the spherical pair connecting structure 836 through the thread fixing structure 835, the rotational axis directions of the first revolute pair 831 and the second revolute pair 832 are perpendicular and at least one of the revolute pairs can rotate in the left and right directions, and the thread fixing structure 835 locks and fixes the spherical pair connecting structure 836.

The connecting plate 833 is provided with a sliding groove 834 in the same direction, the spherical pair connecting structure 836 includes a hollow fixing seat 8361 and a movable body 8362, the screw fixing structure 835 includes a spherical screw 8352 and a fixed disk 8351, the hollow fixing seat 8361 is fixed on the side of the front supporting plate 72 of the front supporting assembly 7, the front supporting plate 72 is attached under the thigh, the outward side of the hollow fixing seat 8361 is a concave spherical surface plate, the movable body 8362 is an irregular hemispherical body, the spherical portion of the movable body 8362 and the outward spherical portion of the spherical plate form a spherical pair, the screw head of the spherical screw 8352 has concave spherical surfaces on two sides of the spherical surface, the concave spherical surface and the inward spherical portion of the spherical plate form a spherical pair, the center of the spherical plate is provided with a movable through hole 8363 for the spherical screw 8352 to move, the rod portion of the spherical screw 8352 passes through the movable through hole 8363 and penetrates out of the movable body 8362 and is perpendicular to the plane portion of the movable body 8362, the movable through hole 8363 is smaller than the concave spherical surface and larger than the rod part of the spherical screw 8352, and when the connecting plate 833 is fixed, the protruding part of the rod part of the spherical screw 8352 penetrates out of the chute 834 and is in threaded connection and fixation with the threaded hole at the center of the fixed plate 8351.

The fixed plate 8351 and the plane part of the movable body 8362 clamp the connecting plate 833, and simultaneously the screw head of the spherical screw 8352 and the movable body 8362 clamp the spherical plate, so that the connecting plate 833, the movable body 8362 and the hollow fixed seat 8361 are fixedly connected.

Preceding bearing subassembly 7 is including demountable installation preceding bearing base 71, the front end on the bed body frame 22 are articulated preceding bearing plate 72 and scalable bracing piece 73 on preceding bearing base 71 front end, scalable bracing piece 73 one end articulates preceding bearing plate 72 bottom and the other end articulates preceding bearing base 71 rear end upper face, be equipped with the extension of locking mechanism with fixed scalable bracing piece 73 on scalable bracing piece 73, be equipped with two 74 of the elastic band of tying up the thigh on the preceding bearing plate 72, preceding bearing plate 72 laminates below the thigh when using.

Preceding bearing base 71 is U type structure and has middle groove, transversely be provided with preceding bearing crossbeam 26 in the bed body frame 22, preceding bed board 21 the rear end with bed body frame 22's middle part is articulated, preceding bearing crossbeam 26 is located and is close the position of preceding bed board 21's rear end, preceding bearing crossbeam 26 inserts middle groove, be equipped with on the preceding bearing base 71 and run through the fixed clamp screw 75 of middle groove, fixed clamp screw 75 is connected the upper and lower board of preceding bearing base 71 is in order to press from both sides tightly preceding bearing crossbeam 26.

Preceding bearing crossbeam 26 has two and is parallel to each other, is equipped with horizontal bar groove guide on the preceding bearing crossbeam 26 preceding bearing base 71 transversely slides, it runs through to insert perpendicularly on the preceding bearing base 71 the sliding pin of intermediate tank, the sliding pin be the cylinder and with bar groove sliding fit. The fixing and clamping screws 75 are arranged on the left side and the right side of the front bearing base 71 in pairs, after the front bearing base 71 is fixed, the fixing and clamping screws 75 are positioned between the two front bearing cross beams 26, the opening direction of the middle groove is consistent with the longitudinal direction of the bed body frame 22 or is inclined at a certain included angle, and the distance between the front bearing cross beams 26 is used for limiting the inclination angle adjusted by the fixing and clamping screws 75.

Still be equipped with the backup pad 24 that supports preceding bed board 21 on the bed body frame 22, bed body frame 22 both sides are equipped with the sliding construction that can lock, sliding construction's slip end pass through locking screw with bed body frame 22 locking is fixed, backup pad 24 locates preceding bed board 21 both sides, 24 one end of backup pad articulates preceding bed board 21 side and the other end with the slip end rotates and is connected.

The invention also includes a rear deck 27, the rear deck 27 being laid behind the bed frame 22 covering the front bolster beams 26 after removal of the front bolster assembly 7. In the position where the rear support unit 3 is located, the rear support unit 3 is located in the two side regions, and the structure of the bed frame 22 in the middle portion thereof is provided with a bed gap 23 for facilitating the approach of the device for the afterloader or the analog positioning to the lower vagina of the patient. The rear bed plate 27 has notches at both sides to prevent interference with the rear support assembly 3, and the middle part covers the bed body notch 23 in the middle of the rear end of the bed body frame 22.

The bed body frame 22 rear end still is fixed with the back and holds in the palm crossbeam 25, back bearing subassembly 3 includes back bearing base 31, rotates platform 34, two piece at least connecting rod 32, back bearing platform and back bearing plate 33, back bearing base 31 sliding connection be in on the back bearing crossbeam 25, connecting rod 32 rotates in proper order through can locking joint 35 and links together, and is the undermost connecting rod 32 lower extreme is connected to through can locking joint 35 rotate platform 34, rotate platform 34 and rotate and install above the back bearing base 31, on the undermost connecting rod 32 is connected to through can locking joint 35 back bearing platform, rotate above the back bearing platform and be connected with back bearing plate 33, back bearing plate 33 supports the shank when using.

The moving device comprises a moving bearing frame 4, moving support legs and a moving mechanism, the moving support legs are fixed below the left side and the right side of the moving bearing frame 4, rollers are installed at the bottom ends of the moving support legs, locking bolts are fixed at the rear ends of the moving bearing frame 4, guide plates 11 are symmetrically fixed on the left side and the right side of the upper surface of the moving platform 1, guide grooves 12 with openings facing the front are arranged in the guide plates 11 in the same direction, the locking bolts are in sliding fit with the guide grooves 12 and can be locked on the guide grooves 12, and the moving mechanism is installed on the moving bearing frame 4.

The moving mechanism is respectively arranged on two groups of electric telescopic rods 6 at the left side and the right side of the moving bearing frame 4, the electric telescopic rods 6 at the same side are symmetrically arranged on the moving bearing frame 4 in the front-back direction and are fixedly connected with each other through a horizontal beam plate 5, and each electric telescopic rod 6 synchronously goes up and down to maintain the moving bed body 2 to be horizontal. The lower parts of the mobile station 1 and the moving support legs are respectively provided with a support fixing part in movable connection, the support fixing parts are put down for supporting when being fixed, and are folded when being moved so as not to hinder the movement of the mobile station 1 or the moving device.

Before use of the invention, the rear deck 27 is covered at the rear of the bed frame 22 and the front bolster assembly 7 is not mounted on the bed frame 22. When the platform device is used, the platform device firstly moves to the front of a rear-mounted treatment bed, the movable bed body 2 is lifted to be higher than the rear-mounted treatment bed through the moving mechanism, the moving device moves forwards to the rear-mounted treatment bed, the movable bed body 2 is placed on the rear-mounted treatment bed, a patient sits on the movable bed body 2, the patient can open the legs and can be well posed, the position and the structure of the rear bearing component 3 can be adjusted, the lower legs of the patient can be comfortably placed on the rear bearing plate 33, and the position and the structure of the rear bearing component 3 are locked after the adjustment is carried out.

The back bed plate 27 is then removed, the two front support assemblies 7 are mounted on the exposed front support beam 26, the front support plate 72 is allowed to fit the thigh part lifted by the patient and approach the root of the thigh by adjusting the tilt angle of the front support base 71 and adjusting the length of the telescopic support rod 73, and then the telescopic support rod 73 and the front support base 71 are fixed on the front support beam 26. Next, the applicator is placed into the patient's vagina with the back-loading device, and after the applicator is positioned, the portion of the applicator outside the body is secured to the applicator mounting plate 81, for example, by inserting the extension 9 of the applicator into the position of the chuck 812 of the applicator mounting plate 81 and tightening the chuck bolts 811. Then, the mounting plate connecting structure 83 is adjusted to make the connecting plate 833 adhere to the same plane portion of the movable body 8362, wherein the end of the spherical screw 8352 passes through the sliding slot 834, and then the upper fixed plate 8351 is screwed tightly, so that the connecting rod can be fixed on the inner side of the front supporting plate 72. Because the connecting rods at the two sides need to be opened outwards to be fixed to the spherical pair connecting structure 836 to form a triangular fixing structure, the source applying mounting plate 81 can rotate around the revolute pair of the transverse axis to a certain extent, but is fixed relative to the moving bed body 2 in the left-right direction.

Then the first elastic belt 82 and the second elastic belt 74 are bound on the body of the patient, the first elastic belt 82 is connected to the corresponding connecting shaft on the front bed plate 21 from the application source mounting plate 81 by bypassing the upper side of the root of the thigh, so that the waist and the hip are fixed, and the application source mounting plate 81 is fixed at the corresponding part of the human body and is not easy to move. And the second elastic belt 74 is used for binding the thigh part of the patient on the front supporting plate 72 and fixing the thigh part relative to the movable bed body 2. The applicator, the movable bed body 2 and the human body are relatively fixed and matched with a moving device which can reduce the vibration and inclination phenomena generated in the moving process of the movable bed body 2.

If the patient needs the support, the patient can rotate the front bed plate 21 to a certain position to support the back of the human body to lift the back at a certain angle, and the position and the support angle of the support plate 24 are adjusted to realize stable support, so that the user can relax more. Simultaneously patient's waist buttockss position and thigh root are by preceding bed board 21 and preceding bearing component 7 load together, and the contact surface is great, and preceding bearing component 7 can carry out the flexible fixation to the thigh through the elastic band, has effectively guaranteed the stability of removal process.

When the moving bed body 2 needs to be moved to the moving platform 1 after the connection process is completed, the electric telescopic rods 6 are started to ascend synchronously, the moving bed body 2 is lifted stably and horizontally, then the moving bearing frame 4 slides backwards, so that the moving bed body 2 is moved to the position above the moving platform 1, and then the electric telescopic rods 6 are operated reversely, so that the moving bed body 2 can be moved to the moving platform 1. Then the whole platform device is moved to the front of the simulation positioning bed, the movable bed body 2 for bearing the patient is placed on the simulation positioning bed by a method similar to the method for placing the movable bed body 2 on the after-loading treatment bed, the simulation positioning is carried out under the condition that the position of the source applying mounting plate 81 is kept unchanged, the setting position of the radioactive source is determined and recorded, and the recorded setting position is transmitted to an after-loading treatment room, so that the preparation is made for the following process of actually setting the radioactive source.

Then the movable bed body 2 is moved to the movable table 1, the whole platform equipment is moved to the front of the afterloading treatment bed, the movable bed body 2 is moved to the upper surface of the afterloading treatment bed through the moving device, and then the radioactive source is placed into the position of the application source determined in the simulation positioning from the central hole 813 of the application source mounting plate 81 through the afterloading treatment machine, so as to realize afterloading radiotherapy. The structure of the platform equipment can ensure that the applicator, the movable bed body 2 and the human body are relatively fixed, and the moving device can reduce the phenomena of vibration and inclination generated in the moving process of the movable bed body 2, so the invention can effectively prevent the position of the applicator from changing, and ensure the reliable guiding effect of simulated positioning on the radioactive source placement.

The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution of the invention, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a movable gynaecology's tumour radiotherapy platform equipment, includes mobile station (1), the bed body and is used for bearing the back support subassembly (3) of shank, its characterized in that: the movable bed is characterized by further comprising a moving device, a source applicator fixing component (8) and a front bearing component (7) for bearing thighs, wherein the moving device is horizontally connected to the movable table (1) in a sliding mode, the moving device is used for moving the bed body, the bed body is a movable bed body (2) capable of being movably placed on a sickbed, the front bearing component (7) is detachably fixed on the movable bed body (2), the movable bed body (2) comprises a bed body frame (22) and a front bed board (21) for bearing the waist and back, the front bed board (21) is installed in the bed body frame (22) in a hinged mode, the front bearing component (7) is located between the rear bearing component (3) and the front bed board (21), the source applicator fixing component (8) comprises a source applicator mounting plate (81) fixedly connected with an extending part (9) of a source applicator, a pair of mounting plate connecting structures (83) and a pair of elastic belts (82) which are symmetrically arranged on the source applicator mounting plate (81), and a first elastic belt (82) The device comprises a source applying installation plate (81), wherein the center of the source applying installation plate (81) is provided with a center hole (813) opposite to a channel in the source applying device, after a human body is placed into the source applying device, an installation plate connecting structure (83) is respectively fixed with the front supporting components (7) on two sides, and a first elastic belt (82) bypasses the upper side of the root of a thigh and is connected with the front bed plate (21) to fix the waist and the hip and the source applying installation plate (81).

2. The movable gynecological tumor radiotherapy platform device of claim 1, wherein: mounting panel connection structure (83) include first revolute pair (831), second revolute pair (832), connecting plate (833), spherical pair connection structure (836) and thread tightening structure (835), connecting plate (833) one end loops through first revolute pair (831) and second revolute pair (832) and is connected to execute source mounting panel (81) lower part, the other end of connecting plate (833) passes through thread tightening structure (835) fixed connection to spherical pair connection structure (836), the axis of rotation direction of first revolute pair (831) and second revolute pair (832) is perpendicular and wherein have at least one revolute pair can rotate towards left and right direction, thread tightening structure (835) is fixed the colleague of connecting plate (833) will spherical pair connection structure (836) locking is fixed.

3. The movable gynecological tumor radiotherapy platform device of claim 1, wherein: the connecting plate (833) is provided with a sliding groove (834) in the same direction, the spherical pair connecting structure (836) comprises a hollow fixing seat (8361) and a movable body (8362), the thread fixing structure (835) comprises a spherical screw (8352) and a fixed disk (8351), the hollow fixing seat (8361) is fixed on the side surface of a front bearing plate (72) of the front bearing component (7), the front bearing plate (72) is attached to the lower portion of a thigh, the outward side of the hollow fixing seat (8361) is a concave spherical surface plate, the movable body (8362) is an irregular hemispherical body, the spherical part of the movable body (8362) and the outward spherical part of the spherical plate form a spherical pair, the screw head of the spherical screw (8352) faces to one side of the spherical surface and is provided with a concave spherical surface, the spherical surface and the inward spherical part of the spherical plate form a spherical pair, and the center of the spherical plate is provided with a movable through hole (8363) for the spherical screw (8352) to move, the rod part of the spherical screw (8352) penetrates out of the movable body (8362) through the movable through hole (8363) and is perpendicular to the plane part of the movable body (8362), the movable through hole (8363) is smaller than the concave spherical surface and larger than the rod part of the spherical screw (8352), and when the connecting plate (833) is fixed, the extending part of the rod part of the spherical screw (8352) penetrates out of the sliding groove (834) and is fixedly connected with the threaded hole in the center of the fixed plate (8351) in a threaded manner.

4. A movable gynecological tumor radiotherapy platform device according to any one of claims 1 to 3, characterized in that: preceding bearing subassembly (7) are including demountable installation preceding bearing base (71), the front end on bed body frame (22) are articulated preceding bearing board (72) and scalable bracing piece (73) on preceding bearing base (71) front end, scalable bracing piece (73) one end articulates preceding bearing board (72) bottom and the other end articulate preceding bearing base (71) rear end upper surface, be equipped with the extension of locking mechanism with fixed scalable bracing piece (73) on scalable bracing piece (73), be equipped with two (74) of elasticity band of tying the thigh on preceding bearing board (72), laminating below the thigh before preceding bearing board (72) when using.

5. The movable gynecological tumor radiotherapy platform device of claim 4, wherein: preceding bearing base (71) are U type structure and have middle groove, transversely be provided with preceding bearing crossbeam (26) in bed body frame (22), the rear end of preceding bed board (21) with the middle part of bed body frame (22) is articulated, preceding bearing crossbeam (26) are located and are close the position of the rear end of preceding bed board (21), preceding bearing crossbeam (26) insert middle groove, be equipped with on preceding bearing base (71) and run through the fixed clamp screw (75) of middle groove, fixed clamp screw (75) are connected the upper and lower board of preceding bearing base (71) is in order to press from both sides tightly preceding bearing crossbeam (26).

6. A movable gynecological tumor radiotherapy platform device according to claim 5, characterized in that: the rear end of the bed body frame (22) is also fixed with a rear bearing beam (25), the rear bearing component (3) comprises a rear bearing base (31), a rotating table (34), at least two connecting support rods (32), a rear bearing table and a rear bearing plate (33), the rear bearing base (31) is connected on the rear bearing beam (25) in a sliding way, the connecting support rods (32) are sequentially and rotatably connected together through lockable joints (35), the lower end of the connecting support rod (32) which is the lowest is connected to the rotating platform (34) through the lockable joint (35), the rotating platform (34) is rotatably arranged on the rear bearing base (31), the connecting support rod (32) which is the most leaning on is connected to the rear bearing platform through a lockable joint (35), the upper surface of the rear supporting platform is rotatably connected with the rear supporting plate (33), and the rear supporting plate (33) supports the lower leg when in use.

7. A movable gynecological tumor radiotherapy platform device according to claim 1, characterized in that: the moving device comprises a moving bearing frame (4), moving supporting legs and a moving mechanism, the moving supporting legs are fixed below the left side and the right side of the moving bearing frame (4), rollers are installed at the bottom ends of the moving supporting legs, locking bolts are fixed at the rear ends of the moving bearing frame (4), guide plates (11) are symmetrically fixed on the left side and the right side of the upper surface of the moving platform (1), guide grooves (12) with openings towards the front are formed in the guide plates (11) in the same direction, the locking bolts are matched with the guide grooves (12) in a sliding mode and can be locked on the guide grooves (12), and the moving mechanism is installed on the moving bearing frame (4).

8. A movable gynecological tumor radiotherapy platform apparatus according to claim 7, characterized in that: the moving mechanism is respectively arranged on two groups of electric telescopic rods (6) at the left side and the right side of the moving bearing frame (4), the electric telescopic rods (6) at the same side are symmetrically arranged on the moving bearing frame (4) in the front-back direction and are mutually and fixedly connected through a horizontal beam plate (5), and the electric telescopic rods (6) synchronously lift to maintain the moving bed body (2) to be horizontal.

9. The movable gynecological tumor radiotherapy platform device of claim 5, wherein: preceding bearing crossbeam (26) have two and be parallel to each other, are equipped with horizontal bar groove guide on preceding bearing crossbeam (26) preceding bearing base (71) horizontal slip, it runs through to have inserted perpendicularly on preceding bearing base (71) the sliding pin of intermediate tank, the sliding pin be the cylinder and with bar groove sliding fit. Fixed clamp screw (75) are located in pairs the left and right sides of preceding bearing base (71), preceding bearing base (71) is fixed the back, fixed clamp screw (75) are located between two preceding bearing crossbeam (26) the opening direction of intermediate trough with the longitudinal direction of bed body frame (22) is unanimous or is certain contained angle slope, interval between preceding bearing crossbeam (26) supplies the angle of fixed clamp screw (75) adjustment slope plays limiting displacement simultaneously.