A combined positioning frame device for radiotherapy patients

Abstract

The application relates to the technical field of radiotherapy equipment, in particular to a combined positioning frame device for radiotherapy patients, which comprises a bed frame main body and a detachable movable bed plate, and further comprises a positioning assembly installed on the bed frame main body and used for positioning a radiotherapy part and being easy to store and hide; the positioning assembly comprises a fixed bed plate used for connecting and stabilizing the bed frame main body; the U-shaped frame is put into the rotating frame plate, the pull-out plate and the rotating frame plate are put into the supporting plate, the rotating frame plate and the U-shaped frame erected on the fixed bed plate are not convenient to disassemble, the replacement of the movable bed plate is affected, and even the patient is bumped into the positioning assembly during lying on the movable bed plate, causing injury.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of radiotherapy equipment, in particular to a combined positioning frame device for radiotherapy patients. BACKGROUND

[0002] Radiotherapy refers to killing and treating tumors by radiation, and before treatment, the patient needs to lie on a bed and use a positioning frame device to position the part to be treated, and then use a radiotherapy instrument for treatment.

[0003] Some existing positioning frames are directly assembled to the bed and are not easy to disassemble. When using the positioning frame, the patient needs to move and lie on the bed by himself. Since there are patients with difficulty in movement among patients, patients with difficulty in movement can only be lifted and transferred to the bed by multiple medical staff. Since the positioning frame is placed on the bed, the positioning frame is disturbed during the transfer of the patient, which not only easily causes the patient to knock against the positioning frame and cause injury, but also easily causes damage to the positioning frame. SUMMARY

[0004] The purpose of the present application is to provide a combined positioning frame device for radiotherapy patients to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a combined positioning frame device for radiotherapy patients, comprising a bed frame main body and a detachable movable bed plate, the positioning frame device further comprising a positioning assembly mounted on the bed frame main body for easy storage and hiding and for positioning the radiotherapy site;

[0006] The positioning assembly comprises a fixed bed plate for connecting and stabilizing the bed frame main body, the fixed bed plate is provided with a support block capable of adjusting the position in translation, the top end of the support block is movably mounted with a support plate for supporting the movable bed plate, the right side of the support plate is provided with a pull-out plate, and the pull-out plate is rotatably mounted with a rotating frame plate capable of conveniently supporting the patient.

[0007] The top end of the rotating frame plate is provided with an extension assembly for positioning the radiotherapy site.

[0008] The extension assembly comprises a cross slide plate slidably mounted on the rotating frame plate, a first rotating shaft is rotatably mounted on the cross slide plate, a U-shaped frame capable of being easily stored and hidden is mounted on the first rotating shaft, a second rotating shaft is rotatably mounted on the U-shaped frame, a rotating table plate is mounted on the second rotating shaft, and a positioning plate capable of positioning the radiotherapy site is arranged on the rotating table plate.

[0009] The support block is provided with a support assembly for limiting the rotation amplitude of the rotating frame plate, the support assembly comprises two translation blocks capable of translating, the two translation blocks are both provided with an extension plate capable of limiting the activity amplitude of the rotating frame plate, the two extension plates are both connected with a transverse plate, and the transverse plate is rotatably provided with two limiting support plates for supporting the rotating frame plate.

[0010] The front and rear sidewalls of the support block are both provided with translation grooves for the translational movement of the translation blocks, and the inner walls of the translation grooves and the translation blocks are connected through connecting springs.

[0011] The right sidewall of the support block is fixedly provided with an L-shaped limiting block for limiting the rotation of the limiting support plate.

[0012] The left sidewall of the rotating frame plate is provided with an L-shaped stepping plate capable of fixing the position of the rotating frame plate, the L-shaped stepping plate is provided with two plug-in columns capable of being pulled out, and the outer walls of the plug-in columns are both fixedly provided with a rotating support plate capable of locking the position of the cross sliding plate.

[0013] The top end of the cross sliding plate is movably provided with two locking assemblies for locking the angle of the rotating table plate, the locking assembly comprises a butt joint plate, the butt joint plate is fixedly provided at the bottom end with two vertical plates, the bottom ends of the two vertical plates are both provided with a vertical lifting rod capable of vertically lifting, the vertical plates are both provided with two cavities, the top end inner walls of the cavities close to the bottom ends of the vertical plates are both provided with a first clamping groove, the top end inner walls of the other cavities are both provided with a second clamping groove, the first rotating shaft is fixedly provided with a first protrusion matched with the first clamping groove, and the second rotating shaft is fixedly provided with a second protrusion matched with the second clamping groove.

[0014] The top plate of the pulling plate is provided with a positioning block capable of fixing the position of the pulling plate, and the top plate of the support plate is provided with a positioning opening matched with the length and width dimensions of the positioning block.

[0015] The top plate of the pulling plate is provided with a groove, the positioning block is movably installed in the groove, and the bottom end of the positioning block and the bottom end inner wall of the groove on the pulling plate are connected through a spring.

[0016] The top end of the fixed bed plate is provided with a sliding groove, the sliding groove is slidably provided with a sliding block, the top plate center of the sliding block is fixedly provided with a vertical rod, and the support block is rotatably installed on the vertical rod.

[0017] The bed frame body is composed of a head plate and a tail plate, the bottom end of the movable bed plate is provided with four plug-in holes, the sidewalls of the head plate and the tail plate are both provided with two fixed steel angles, and the top ends of the fixed steel angles are both provided with plug-in columns for fixing the movable bed plate on the bed frame body.

[0018] The top end of the support block is provided with a sliding groove, a sliding block matched with the sliding groove is slidably installed in the sliding groove, the top end of the sliding block is fixedly connected with the support plate, and the position of the support plate is adjusted for use.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] The U-shaped frame is accommodated in the rotating frame plate, and the pull-out plate and the rotating frame plate are accommodated in the support plate, so that the rotating frame plate and the U-shaped frame erected on the fixed bed plate are not inconvenient to disassemble, the replacement of the mobile bed plate is not affected, and even the patient is not injured by knocking into the positioning assembly during lying on the mobile bed plate.

[0021] The L-shaped pedal is connected with the mobile bed plate, the position of the rotating bed frame can be fixed, and when the patient sits on the mobile bed plate and rests his feet on the rotating frame plate, the L-shaped pedal can be easily supported by being touched.

[0022] The torsional spring drives the limiting support plate to rotate upward and support the rotating frame plate, which can provide simple support to the bottom end of the rotating frame plate, avoid the lack of support at the bottom end of the rotating frame plate, and cause the rotating frame plate to rotate downward too much, which makes it difficult for the patient to rest, and the torsional spring avoids the use of fixed angle of the rotating frame plate, and the patient can adjust it downward according to his own leg gravity. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a schematic diagram of the overall structure of the present application.

[0024] Figure 2 The figure is a schematic diagram of the positioning assembly structure of the present application.

[0025] Figure 3 The figure is a schematic diagram of the support frame structure of the present application.

[0026] Figure 4 The figure is a schematic diagram of the support assembly structure of the present application.

[0027] Figure 5 The figure is a schematic diagram of the pull-out plate installation structure of the present application.

[0028] Figure 6 The figure is a schematic diagram of the local structure of the positioning assembly.

[0029] Figure 7 The figure is a schematic diagram of the rotating frame plate structure of the present application.

[0030] Figure 8 The figure is a schematic diagram of the L-shaped pedal structure of the present application.

[0031] Figure 9 The figure is a schematic diagram of the rotating base plate structure of the present application.

[0032] Figure 10 Structure diagram of the locking assembly of the application.

[0033] In the figure: 1, bed frame main body; 2, movable bed plate; 3, positioning assembly; 4, fixed bed plate; 5, sliding block; 6, supporting block; 7, supporting plate; 8, pull-out plate; 9, positioning block; 10, rotating frame plate; 11, L-shaped pedal; 12, rotating support plate; 13, cross sliding plate; 14, first rotating shaft; 15, U-shaped frame; 16, second rotating shaft; 17, rotating base plate; 18, positioning plate; 19, first protrusion; 20, second protrusion; 21, locking assembly; 22, lifting rod; 23, vertical plate; 24, first clamping groove; 25, second clamping groove; 26, butt joint plate; 27, translation slot; 28, supporting assembly; 29, translation block; 30, extension plate; 31, horizontal plate; 32, limiting support plate; 33, connecting spring; 34, L-shaped limiting block. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0035] Please refer to Figures 1 to 10 The application provides a technical solution: a combined positioning frame device for radiotherapy patients, which comprises a bed frame main body 1 and a movable bed plate 2 that can be conveniently disassembled. The bed frame main body 1 is composed of a headboard and a tailboard. The bottom end of the movable bed plate 2 is provided with four plug-in holes. Two fixed steel angles are installed on the side walls of the headboard and the tailboard. The top end of each fixed steel angle is provided with a plug-in column matching the diameter size of the plug-in hole. The movable bed plate 2 can be fixed on the bed frame main body 1 by placing it directly above the four fixed steel angles and inserting the plug-in column into the plug-in hole. That is, the movable bed plate 2 can be disassembled first, and the patient can first lie flat on the movable bed plate 2. Then, multiple medical staff can lift the movable bed plate 2 and place it on the bed frame main body 1 until the plug-in column is inserted into the plug-in slot. By additionally providing multiple movable bed plates 2 of the same size, the patient can directly disassemble the movable bed plate 2 after completing radiotherapy and replace it with a new movable bed plate 2 for use by a patient waiting for radiotherapy, thereby improving the radiotherapy efficiency for patients.

[0036] The bed frame main body 1 is provided with a hidden positioning assembly 3. The positioning assembly 3 comprises a fixed bed plate 4 fixedly installed on the bed frame main body 1. The fixed bed plate 4 is fixedly connected with the headboard and the tailboard to form a whole, so that the bed frame main body 1 and the fixed bed plate 4 form a stable bed body.

[0037] The top end of the fixed bed plate 4 is provided with a support block 6 capable of adjusting the position in translation, the top end of the fixed bed plate 4 is provided with a sliding groove, a sliding block 5 with the same width size is slidingly installed in the sliding groove, a vertical rod is fixedly installed at the center position of the top plate of the sliding block 5, an installation hole matched with the diameter size of the vertical rod is arranged at the center position of the bottom plate of the support block 6, which is used for controlling the rotating adjustment position of the support block 6 at the top end of the sliding block 5, that is, for adjusting the rotating frame plate 10 to the left or right of the moving bed plate 2 according to the use requirement, a T-shaped groove is arranged on the left side wall of the support block 6, a T-shaped block is slidingly installed in the T-shaped groove, a fitting block is fixedly installed on the left side of the T-shaped block, the fitting block is movably fitted on the left side wall of the fixed bed plate 4 and the support block 6, a threaded hole is arranged on the fitting block, and a threaded rod is arranged in the threaded hole, when the support block 6 is controlled to rotate at the top end of the fixed bed plate 4, the fitting block is first controlled to slide upward until the bottom end is higher than the height of the top plate of the fixed bed plate 4, then the support block 6 is controlled to rotate by half a turn, at this time the fitting block automatically slides down, and finally the threaded rod penetrates through the fitting block and fits the fixed bed plate 4, so that the position of the fixed bed plate 4 can be fixed.

[0038] The top end of the support block 6 is movably installed with a support plate 7 for supporting the moving bed plate 2, the overall height of the support plate 7 and the support block 6 is the same as the spacing size between the fixed bed plate 4 and the moving bed plate 2, the support plate 7 and the support block 6 provide support to the bottom end of the moving bed plate 2, which can avoid relying on the four fixed steel angles to provide support to the moving bed plate 2, the top end of the support block 6 is provided with a sliding groove, a sliding block matched with the sliding groove is slidingly installed in the sliding groove, the top end of the sliding block is fixedly connected with the support plate 7, and a clamping groove is arranged on the inner wall of the left and right sides of the sliding groove, and a clamping block matched with the clamping groove is arranged on the left and right sides of the sliding block, by fixing the clamping block in the clamping groove at different positions, it is convenient to hide the U-shaped frame 15 not collected into the support plate 7 between the moving bed plate 2 and the fixed bed plate 4 after the positioning plate 18 is used and collected.

[0039] The right side of the support plate 7 is provided with an opening, and a pull-out plate 8 is slidingly installed in the opening, the pull-out plate 8 can be hidden and installed into the opening on the support plate 7, a recess is arranged on the top plate of the pull-out plate 8, a positioning block 9 is movably installed in the recess, the bottom end of the positioning block 9 is connected with the inner wall at the bottom end of the recess on the pull-out plate 8 through a spring, a positioning opening matched with the length and width size of the positioning block 9 is arranged on the top plate of the support plate 7, when the pull-out plate 8 moves in translation in the opening on the support plate 7, the positioning block 9 is clamped into the positioning opening by the spring, which can limit the continuous movement of the pull-out plate 8.

[0040] The right side of the pull-out plate 8 is rotatably installed with a rotating frame plate 10, and the top end of the rotating frame plate 10 is provided with an extension assembly for positioning the radiotherapy position, which includes a cross sliding plate 13. The rotating frame plate 10 is provided with a cross lifting groove, and the cross sliding plate 13 is slidingly installed in the cross lifting groove. The top end of the cross sliding plate 13 is provided with a groove, and the first rotating shaft 14 is rotatably installed in the groove. The top end of the first rotating shaft 14 is fixedly installed with a U-shaped frame 15. The second rotating shaft 16 is rotatably installed in the U-shaped frame 15. The outer wall of the second rotating shaft 16 is fixedly installed with a rotating table plate 17. The rotating table plate 17 is slidingly installed with a positioning plate 18 for radiotherapy positioning. The upper and lower ends of the cross sliding plate 13 are both fixedly installed with two clamping columns. The inner walls of the upper and lower ends of the cross lifting groove are both provided with clamping grooves matched with the clamping columns. When the cross sliding plate 13 is slid upward and abuts against the inner wall of the top end of the cross lifting groove, the clamping columns are clamped into the clamping grooves, the position of the cross sliding plate 13 is temporarily fixed, and the subsequent use of the rotating support plate 12 cooperates with the vertical plate 23 to fix the position of the U-shaped frame 15. The rotating table plate 17 is provided with a sliding groove, and the positioning plate 18 is slidingly installed in the sliding groove. The positioning plate 18 is provided with an extension protrusion for abutting against the left inner wall of the sliding groove. A plurality of splicing columns are installed on the left side of the extension protrusion. A plurality of splicing holes matched with the splicing columns are provided on the left inner wall of the sliding groove. By inserting the splicing columns into the splicing holes, the positioning plate 18 can be fixed at the top end of the rotating table plate 17 for use. During use, the positioning plate 18 can be adjusted in position by controlling the sliding of the support block 6 and the support plate 7. Two positioning screws (not shown in the figure) are provided on the bottom plate of the rotating table plate 17. By controlling the rotation of the positioning screws to penetrate the bottom plate of the rotating table plate 17 and tightly abut against the positioning plate 18, the positioning plate 18 can be fixed at different positions for use. After the splicing columns and the splicing holes on the positioning plate 18 and the rotating table plate 17 are connected, the sum of the lengths of the two exposed to the outside is the same as two-thirds of the width dimension of the moving bed plate 2.

[0041] By controlling the pull-out plate 8 to move in the support plate 7 until the rotating frame plate 10 moves out of the space between the moving bed plate 2 and the fixed bed plate 4, and then controlling the rotating frame plate 10 to rotate upward and abut against the left or right side wall of the moving bed plate 2, and then pulling the U-shaped frame 15 to slide upward until the cross sliding plate 13 abuts against the top inner wall of the cross lifting groove, at this time, the rotating table plate 17 is rotated by the second rotating shaft 16 to make the rotating table plate 17 rotate to a state parallel to the moving bed plate 2, and then the positioning plate 18 is pulled to the required position, and then the position is fixed by the positioning screw, so that the positioning plate 18 for radiotherapy positioning can be used above the moving bed plate 2.

[0042] And when the positioning frame is not used, the positioning plate 18 is first received in the rotating table plate 17, and the rotating table plate 17 can be rotated into the U-shaped frame 15 by controlling the second rotating shaft 16 to rotate, and then the U-shaped frame 15 is moved downward to follow the cross sliding plate 13 into the cross lifting groove to hide, and then the rotating frame plate 10 is controlled to rotate downward and tilt, and the patient can rest his feet on the rotating frame plate 10 while sitting on the mobile bed plate 2, or when the mobile bed plate 2 needs to be replaced, the U-shaped frame 15 is received in the rotating frame plate 10, and the pull-out plate 8 and the rotating frame plate 10 are received in the support plate 7, so that the rotating frame plate 10 and the U-shaped frame 15 erected on the fixed bed plate 4 are not inconvenient to disassemble and affect the replacement of the mobile bed plate 2, and even the patient can be injured by knocking into the positioning assembly 3 during lying on the mobile bed plate 2.

[0043] The left side wall of the rotating frame plate 10 is provided with a lifting guide groove, a lifting block (not shown in the figure) is slidingly installed in the lifting guide groove, an L-shaped pedal 11 is fixedly installed on the lifting block, and the top plate of the mobile bed plate 2 is provided with a positioning groove with the same length and width size as the short head part of the L-shaped pedal 11. By controlling the L-shaped pedal 11 to slide downward until it is inserted into the positioning groove, the position of the rotating frame plate 10 can be locked. When the patient sits on the mobile bed plate 2 and rests his feet on the rotating frame plate 10, the L-shaped pedal 11 can be simply supported by being contacted. The top end of the L-shaped pedal 11 is provided with two insertion holes, an insertion column is arranged in the insertion hole, a connecting rope is arranged between the insertion column and the inner wall at the bottom end of the insertion hole to prevent the insertion column from falling, two rotating support plates 12 are fixedly installed on the insertion column, and the side of each of the two rotating support plates 12 close to each other is provided with an opening. When the rotating support plate 12 is rotated to fit on the cross sliding plate 13, the lifting rod 22 is in the opening, and the front and rear side walls of the cross sliding plate 13 are provided with reinforcing grooves. When the cross sliding plate 13 is slid upward to a state where it cannot continue to move, the reinforcing grooves are in the movement track of the rotating support plate 12, that is, the rotating support plate 12 can enter the reinforcing groove by rotating to support the cross sliding plate 13.

[0044] The top end of the cross sliding plate 13 movably installs two locking assemblies 21 for locking the angle of the rotating table plate 17, the locking assembly 21 comprises a butt plate 26, the bottom end of the butt plate 26 is fixedly installed with two vertical plates 23, the bottom end of the two vertical plates 23 is provided with a lifting rod 22 for ensuring the vertical lifting movement, the top end of the cross sliding plate 13 is provided with two grooves matching the diameter of the lifting rod 22, the lifting rod 22 is placed in the groove, and the bottom end of the lifting rod 22 is connected to the inner wall of the groove bottom end through a spring, the vertical plate 23 is provided with two cavities, the top end inner wall of the cavity close to the bottom end of the vertical plate 23 is provided with a first clamping groove 24, the top end inner wall of the cavity close to the top end of the vertical plate 23 is provided with a second clamping groove 25, the first rotating shaft 14 is fixedly installed with a first protruding block 19 at the position directly below the first clamping groove 24, and the distance between the bottom end of the first rotating shaft 14 and the inner wall of the cavity bottom end of the vertical plate 23 where the first clamping groove 24 is installed is greater than the contact length between the first protruding block 19 and the first clamping groove 24, that is, when the vertical plate 23 moves upward, the first protruding block 19 is prevented from being pulled out of the first clamping groove 24 due to the position limitation of the first rotating shaft 14, and the second rotating shaft 16 is fixedly installed with a second protruding block 20 at the position directly below the second clamping groove 25, wherein the second protruding block 20 and the rotating table plate 17 are in a right angle opposite state, and when the second protruding block 20 is clamped into the second clamping groove 25, the rotating table plate 17 and the U-shaped frame 15 are in a right angle.

[0045] The front and rear side walls of the support block 6 are provided with translation grooves 27, and the translation grooves 27 are slidably installed with support assemblies 28 for limiting the rotation of the rotating frame plate 10, the support assembly 28 comprises two translation blocks 29 slidably installed in the translation grooves 27, the translation block 29 and the left side inner wall of the translation groove 27 are connected through a connecting spring 33, the side away from each other of the two translation blocks 29 is fixedly installed with an extension plate 30, and the two extension plates 30 are jointly connected with a horizontal plate 31, the top end of the horizontal plate 31 is provided with two limiting support plates 32, and the horizontal plate 31 and the two limiting support plates 32 are connected through torsional springs, when the rotating frame plate 10 rotates upward and abuts against the moving bed plate 2, the translation block 29 is partially pulled out of the translation groove 27 until the limiting support plate 32 rotates upward through the torsional spring and is located outside the rotating frame plate 10, at this time, the translation block 29 is retracted and closely attached to the side wall of the rotating frame plate 10 under the action of the pulling force of the connecting spring 33.

[0046] The right side wall of the support block 6 is fixedly installed with an L-shaped limiting block 34 for limiting the rotation of the limiting support plate 32, by pushing the translation block 29 to move into the translation groove 27, the limiting support plate 32 can be placed in the cavity between the L-shaped limiting block 34 and the support block 6 for position fixing, avoiding that when the positioning assembly 3 is not used, the limiting support plate 32 is affected by the pushing force of the connecting spring 33 and extends to the left and right sides of the fixed bed plate 4.

[0047] When the patient needs to rest with the foot on the rotating frame plate 10, the limiting support plate 32 is pushed upward by the torsion spring and supports the rotating frame plate 10, which can provide simple support for the bottom end of the rotating frame plate 10, avoid the bottom end lacking support, cause the rotating frame plate 10 to rotate downward too much, and the patient is not easy to rest, and the torsion spring avoids the use of the fixed angle of the rotating frame plate 10, and the patient can adjust the rotating frame plate 10 downward according to the gravity of the legs, which can increase the comfort of use.

[0048] In use, the movable bed plate 2 is detached from the bed frame body 1, and the patient with difficulty in movement is first laid on the movable bed plate 2, then the movable bed plate 2 is lifted by multiple medical staff and placed on the bed frame body 1 until the insertion column is inserted into the insertion slot, the movable bed plate 2 is fixed on the bed frame body 1, then the pulling plate 8 is controlled to move in the supporting plate 7, the rotating frame plate 10 is controlled to rotate upward and adhere to the movable bed plate 2, the L-shaped pedal 11 is controlled to slide downward until it is inserted into the positioning slot, the position of the rotating frame plate 10 is locked, the U-shaped frame 15 is pulled to slide upward to a position where it cannot move, the rotating table plate 17 is turned, the rotating table plate 17 is turned to the patient, the positioning plate 18 is pulled to move to the position above the patient to be treated, the position is fixed by the positioning screw, and the positioning of the patient for radiotherapy is completed.

[0049] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A modular positioning frame device for radiotherapy patients, comprising a bed frame body and a detachable movable bed board, characterized in that: The positioning frame device also includes a positioning component that is installed on the main body of the bed frame, is easy to store and hide, and is used to position the radiotherapy site; The positioning assembly includes a fixed bed board for connecting and stabilizing the main body of the bed frame. The fixed bed board is provided with a support block that can be moved and adjusted. A support plate for supporting the movable bed board is movably installed at the top of the support block. A pull-out plate is provided on the right side of the support plate. A rotating frame plate that can be easily leaned against by the patient is rotatably installed on the pull-out plate. A support component for limiting the rotation range of the rotating frame plate is provided on the support block. The support component includes two translatable translation blocks. An extension plate that can limit the movement range of the rotating frame plate is installed on each of the two translation blocks. A cross plate is connected between the two extension plates. Two limiting support plates for supporting the rotating frame plate are rotatably installed at the top of the cross plate. The top of the rotating frame is provided with an extension component for positioning the radiotherapy position. The extension component includes a cross-shaped sliding plate slidably mounted on the rotating frame. A first rotating shaft is rotatably mounted on the cross-shaped sliding plate. A U-shaped frame that is easy to store and hide is mounted on the first rotating shaft. A second rotating shaft is rotatably mounted on the U-shaped frame. A rotating platform is mounted on the second rotating shaft. A positioning plate that can position the radiotherapy position is provided on the rotating platform. Two locking components for locking the angle of the rotating platform are movably mounted on the top of the cross-shaped sliding plate. The locking components include a docking plate. Two upright plates are fixedly mounted on the bottom of the docking plate. Each of the two upright plates is provided with a lifting rod for vertical lifting and lowering. Each upright plate is provided with two cavities. A first engaging groove is provided on the inner wall of the top of the cavity near the bottom of the upright plate. A second engaging groove is provided on the inner wall of the top of the other cavity. A first protrusion that matches the first engaging groove is fixedly mounted on the first rotating shaft. A second protrusion that matches the second engaging groove is fixedly mounted on the second rotating shaft.

2. The combined positioning frame device for radiotherapy patients according to claim 1, characterized in that: The front and rear side walls of the support block are provided with translation grooves for the translation block to move. The inner wall of the translation groove is connected to the translation block by a connecting spring.

3. The combined positioning frame device for radiotherapy patients according to claim 1, characterized in that: An L-shaped limiting block for restricting the rotation of the limiting support plate is fixedly installed on the right side wall of the support block.

4. The combined positioning frame device for radiotherapy patients according to claim 1, characterized in that: An L-shaped pedal is provided on the left side wall of the rotating frame plate to fix the position of the rotating frame plate. Two removable inserts are provided on the L-shaped pedal. Rotating support plates that can lock the position of the cross sliding plate are fixedly installed on the outer wall of each insert.

5. The combined positioning frame device for radiotherapy patients according to claim 1, characterized in that: The top plate of the pull-out plate is provided with a positioning block that can fix the position of the pull-out plate, and the top plate of the support plate is provided with a positioning opening that matches the length and width of the positioning block.

6. The combined positioning frame device for radiotherapy patients according to claim 5, characterized in that: The top plate of the pull-out plate is provided with a groove, the positioning block is movably installed in the groove, and the bottom end of the positioning block is connected to the inner wall of the bottom end of the groove on the pull-out plate by a spring.

7. The combined positioning frame device for radiotherapy patients according to claim 1, characterized in that: The top of the fixed bed board is provided with a sliding groove, a slider is slidably installed in the sliding groove, a vertical rod is fixedly installed at the center of the top plate of the slider, and the support block is rotatably installed on the vertical rod.

8. A combined positioning frame device for radiotherapy patients according to claim 1, characterized in that: The main body of the bed frame consists of a headboard and a footboard. The bottom of the movable bed board is provided with four insertion holes. Two fixing steel corners are installed on the side walls of both the headboard and the footboard. The top of each fixing steel corner is provided with an insertion post for fixing the movable bed board to the main body of the bed frame.

9. A combined positioning frame device for radiotherapy patients according to claim 1, characterized in that: The top of the support block is provided with a sliding groove, and a matching sliding block is slidably installed in the sliding groove. The top of the sliding block is fixedly connected to the support plate and is used to adjust the position of the support plate for use.

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