阅读说明：本技术 一种食管癌治疗用辅助设备 (Auxiliary assembly is used in esophagus cancer treatment ) 是由 张国庆 袁露露 吴彬 李进东 李向楠 于 2019-10-21 设计创作，主要内容包括：本发明属于医疗用品技术领域,涉及一种辅助设备,具体涉及一种食管癌治疗用辅助设备；包括床板,床板上可拆卸连接有一对身体固定机构,一对身体固定机构分别设于床板两侧；身体固定机构均包括与床板相配合的中支撑装置,中支撑装置上连接有一对折叠装置；中支撑装置上连接有身体固定装置,身体固定装置包括与中支撑装置相连接的臀部固定结构和手臂固定结构,手臂固定结构与中支撑装置滑动连接；一对折叠装置上分别连接有头部固定机构和腿部固定机构,折叠装置可实现头部固定机构和腿部固定机构与身体固定机构的折叠；本发明有效的解决了现有放疗装置在对患者进行定位固定时,操作过程麻烦,效率低下的问题。(The invention belongs to the technical field of medical supplies, and relates to auxiliary equipment, in particular to auxiliary equipment for treating esophageal cancer; comprises a bed board, wherein a pair of body fixing mechanisms are detachably connected on the bed board and are respectively arranged at two sides of the bed board; the body fixing mechanisms comprise middle supporting devices matched with the bed plate, and a pair of folding devices are connected to the middle supporting devices; the middle supporting device is connected with a body fixing device, the body fixing device comprises a hip fixing structure and an arm fixing structure which are connected with the middle supporting device, and the arm fixing structure is connected with the middle supporting device in a sliding manner; the pair of folding devices are respectively connected with a head fixing mechanism and a leg fixing mechanism, and the folding devices can realize the folding of the head fixing mechanism, the leg fixing mechanism and the body fixing mechanism; the invention effectively solves the problems of troublesome operation process and low efficiency when the existing radiotherapy device is used for positioning and fixing the patient.)

1. An auxiliary device for treating esophageal cancer, which is characterized in that: comprises a bed plate (8), a pair of body fixing mechanisms are detachably connected on the bed plate (8), and the pair of body fixing mechanisms are respectively arranged at two sides of the bed plate (8); the body fixing mechanisms comprise middle supporting devices (6) matched with the bed plate (8), and a pair of folding devices (5) are connected to the middle supporting devices (6); the middle supporting device (6) is connected with a body fixing device (3), the body fixing device (3) comprises a hip fixing structure and an arm fixing structure which are connected with the middle supporting device (6), and the arm fixing structure is connected with the middle supporting device (6) in a sliding mode; the pair of folding devices (5) are respectively connected with a head fixing mechanism and a leg fixing mechanism, and the folding devices (5) can realize the folding of the head fixing mechanism, the leg fixing mechanism and the body fixing mechanism; the head fixing mechanism comprises an upper supporting device (4) connected with a folding device (5), and the head fixing device (2) is connected to the upper supporting device (4); the leg fixing mechanism comprises a lower support device (7) connected with the folding device (5), and the lower support device (7) is connected with a leg fixing device (1).

2. The esophageal cancer treatment auxiliary device of claim 1, wherein: the middle supporting device (6) comprises a pair of middle clamping structures and a middle support connected with the middle clamping structures, each middle clamping structure comprises a middle first supporting plate (601) and a middle second supporting plate parallel to the middle first supporting plate (601), a middle connecting plate (603) connected with the middle second supporting plate is arranged on the middle first supporting plate (601), and a middle fixing bolt (602) matched with the bed plate (8) is screwed on the middle first supporting plate (601); connecting blocks are arranged on the pair of middle connecting plates (603), connecting columns are arranged on the connecting blocks, and the pair of connecting blocks are connected through the connecting columns; the middle support comprises a connecting seat (604) connected with a middle second support plate, a rear support seat (606) and a front support seat arranged in parallel with the rear support seat (606) are connected to the connecting seat (604), and the rear support seat (606) is connected with the body fixing device (3).

3. The esophageal cancer treatment auxiliary device according to claim 2, wherein: each folding device (5) comprises a driving gear (501) rotatably connected with the rear supporting seat (606), the driving gear (501) is connected with a front parallelogram structure, and the front parallelogram structure is connected with a rear parallelogram structure; idler wheels (605) are meshed on the driving gears (501), the two idler wheels (605) are meshed, a motor is arranged on the front supporting seat, and the output end of the motor is connected with one driving gear (501).

4. An auxiliary device for the treatment of esophageal cancer according to claim 3, wherein: the front parallelogram structure comprises a front driving rod (502) connected with the output end of the motor, one end of the front driving rod (502) close to the driving gear (501) is connected with a front supporting rod (512), and the front supporting rod (512) is fixedly connected with a rear supporting seat (606); the other end of the front driving rod (502) is rotatably connected with a front output rod (510), one end, far away from the front driving rod (502), of the front output rod (510) is rotatably connected with a front connecting rod (511), and the other end of the front connecting rod (511) is rotatably connected with a front supporting rod (512); preceding output lever (510) go up the rigid coupling have fixed plate (509), rotate on fixed plate (509) and be connected with transmission action wheel (503), transmission action wheel (503) and preceding active lever (502) and the coaxial setting of axis of rotation of preceding output lever (510).

5. An auxiliary device for the treatment of esophageal cancer according to claim 4, wherein: a transmission driven wheel (504) is meshed with the transmission driving wheel (503), and the transmission driven wheel (504) is connected with the rear parallelogram structure; the rear parallelogram structure comprises a rear driving rod (505) coaxially connected with the transmission driven wheel (504), one end of the rear driving rod (505) close to the transmission driven wheel (504) is connected with a rear supporting rod (508), and the rear supporting rod (508) is fixedly connected with a fixing plate (509); the other end of the rear driving rod (505) is rotatably connected with a rear output rod (505), and the rear output rod (505) is fixedly connected with the corresponding upper supporting device (4) and the lower supporting device (7); one end of the rear output rod (505), which is far away from the rear driving rod (505), is rotatably connected with a rear connecting rod (507), and the other end of the rear connecting rod (507) is rotatably connected with a rear supporting rod (508).

6. The esophageal cancer treatment auxiliary device according to claim 2, wherein: the buttock fixing structure comprises a supporting plate (310) fixedly connected with a rear supporting seat (606), a buttock fixing screw rod (301) is rotatably connected onto the supporting plate (310), a front movable block is screwed onto the buttock fixing screw rod (301), and a driving rod (303) is rotatably connected onto the front movable block; the middle part of the driving rod (303) is rotatably connected with a driven rod (302), one end of the driven rod (302) is rotatably connected with the supporting plate (310), the other end of the driven rod (302) is provided with a hip fixing plate (304), and the driven rod (302) is rotatably connected with the hip fixing plate (304); one end of the driving rod (303) far away from the front movable block is rotatably connected with a rear movable block, and the rear movable block is in sliding connection with the hip fixing plate (304); the arm fixing structure comprises a sliding block (308) which is in sliding connection with the supporting plate (310), and fastening screws matched with the bed plate (8) are arranged on the sliding block (308); articulated on slider (308) have telescopic link (309), and the flexible end of telescopic link (309) articulates there is arm fixed plate (307), is equipped with arm fixed band (306) on arm fixed plate (307).

7. An auxiliary device for the treatment of esophageal cancer according to claim 5, wherein: the upper supporting device (4) comprises an upper first supporting plate (402), an upper connecting plate (403) is connected onto the upper first supporting plate (402), an upper second supporting plate (404) parallel to the upper first supporting plate (402) is connected to the middle of the upper connecting plate (403), and an upper fixing bolt (401) matched with the bed plate (8) is screwed on the upper first supporting plate (402); an upper vertical plate (405) is fixedly connected to one end, far away from the upper connecting plate (403), of the upper second supporting plate (404), the upper vertical plate (405) is arranged in parallel with the upper connecting plate (403), and the upper vertical plate (405) is connected with a corresponding rear output rod (505) on the folding device (5).

8. An auxiliary device for the treatment of esophageal cancer according to claim 7, wherein: the head fixing device (2) comprises a head sleeve (201) fixedly connected to an upper vertical plate (405), the head sleeve (201) is connected with a head sliding rod (202) through a spline, and a head fixing screw rod in threaded connection with the head sliding rod (202) is rotatably connected to the head sleeve (201); one end, far away from the head sleeve (201), of the head sliding rod (202) is connected with a head fixing block (203), the head fixing block (203) is rotatably connected with a second adjusting screw rod (206), and an adjusting block fixedly connected with the head sliding rod (202) is screwed on the second adjusting screw rod (206); the head fixing block (203) is also rotatably connected with a first adjusting screw rod (205), and a pair of head clamping plates (204) are screwed on the first adjusting screw rod (205); the first adjusting screw rod (205) comprises a forward portion and a reverse portion connected with the forward portion, the pair of head clamping plates (204) are respectively arranged on the forward portion and the reverse portion, and the rotating directions of the threads of the forward portion and the reverse portion are opposite.

9. An auxiliary device for the treatment of esophageal cancer according to claim 5, wherein: the lower supporting device (7) comprises a lower first supporting plate (701), a lower connecting plate (703) is connected to the lower first supporting plate (701), a lower second supporting plate (704) parallel to the lower first supporting plate (701) is connected to the middle of the lower connecting plate (703), and a lower fixing bolt (702) matched with the bed plate (8) is screwed on the lower first supporting plate (701); one end, far away from the lower connecting plate (703), of the lower second supporting plate (704) is fixedly connected with a lower vertical plate (705), the lower vertical plate (705) is arranged in parallel with the lower connecting plate (703), and the lower vertical plate (705) is connected with a corresponding rear output rod (505) on the folding device (5).

10. An auxiliary device for the treatment of esophageal cancer according to claim 9, wherein: the leg fixing device (1) comprises a leg sleeve (101) fixedly connected to a lower vertical plate (705), the leg sleeve (101) is connected with a leg sliding rod (102) through a spline, and a leg adjusting screw rod in threaded connection with the leg sliding rod (102) is rotatably connected to the leg sleeve (101); one end of the leg sliding rod (102) far away from the leg sleeve (101) is connected with a transverse hinge (103), the transverse hinge (103) is connected with a vertical hinge (104), and the vertical hinge (104) is connected with a leg adjusting plate (105); a leg connecting plate (108) is fixedly connected to the middle of the leg adjusting plate (105), and a leg fixing plate (107) is connected to one end, far away from the leg adjusting plate (105), of the leg connecting plate (108); a leg fixing plate (109) is fixedly connected to the middle of the leg connecting plate (108), and a leg moving plate (106) matched with the leg fixing plate (107) is arranged between the leg fixing plate (109) and the leg adjusting plate (105); the leg adjusting plate (105) is rotatably connected with a leg fixing screw rod (110) which is in threaded connection with the leg moving plate (106), and the leg fixing screw rod (110) is rotatably connected with a leg fixing plate (109).

Technical Field

The invention belongs to the technical field of medical supplies, relates to auxiliary equipment, and particularly relates to auxiliary equipment for treating esophageal cancer.

Background

Tumor radiotherapy is a local treatment for tumors using radiation. When treating esophageal cancer, radiotherapy is also one of the effective methods for treating esophageal cancer; when a patient is subjected to radiotherapy, the patient needs to be fixed by using corresponding auxiliary equipment so as to realize accurate radiotherapy of accurate positioning, accurate positioning and accurate planning of the patient; in the radiotherapy process, the random movement of the human body is limited to the maximum extent by a corresponding fixing device, and the high repeatability and consistency of the body surface positioning mark are ensured, so that the accurate positioning is realized.

Therefore, many corresponding fixing devices, such as masks, limb fixing devices and the like, are produced, but most of the existing radiotherapy fixing devices are locally fixed, when the whole patient needs to be fixed, a plurality of radiotherapy positioning frames are needed to be used for positioning and fixing the patient, the operation process is troublesome, and the efficiency is low; after the radiotherapy positioning frame is used, medical staff also need to arrange the numerous radiotherapy positioning frames, and a large workload is brought to the medical staff.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides auxiliary equipment for treating esophageal cancer, which effectively solves the problems of troublesome operation process and low efficiency when the existing radiotherapy device is used for positioning and fixing a patient.

In order to achieve the purpose, the invention adopts the following technical scheme: an auxiliary device for treating esophageal cancer comprises a bed plate, wherein a pair of body fixing mechanisms are detachably connected to the bed plate, and are respectively arranged on two sides of the bed plate; the body fixing mechanisms comprise middle supporting devices matched with the bed plate, and a pair of folding devices are connected to the middle supporting devices; the middle supporting device is connected with a body fixing device, the body fixing device comprises a hip fixing structure and an arm fixing structure which are connected with the middle supporting device, and the arm fixing structure is connected with the middle supporting device in a sliding manner; the pair of folding devices are respectively connected with a head fixing mechanism and a leg fixing mechanism, and the folding devices can realize the folding of the head fixing mechanism, the leg fixing mechanism and the body fixing mechanism; the head fixing mechanism comprises an upper supporting device connected with the folding device, and the upper supporting device is connected with the head fixing device; the leg fixing mechanism comprises a lower supporting device connected with the folding device, and the lower supporting device is connected with a leg fixing device.

Compared with the prior art, the invention has the following beneficial effects:

1. when the arm fixing structure is used, the whole body of a patient is fixed through the arm fixing structure, the hip fixing structure, the head fixing device and the leg fixing device, the patient is placed to move in the radiotherapy process, the accuracy of radiotherapy is influenced, and the effect of radiotherapy of the patient is improved; in addition, when the folding device is used, the body fixing mechanism, the head fixing mechanism and the leg fixing mechanism are folded and extended through the folding device, the operation is simple, the folding device is convenient for medical staff to use, and the efficiency of radiotherapy is improved.

2. When the folding type medical nursing bed is used, the upper supporting device and the lower supporting device are far away from or close to the middle supporting device through the matching of the front parallelogram structure and the rear parallelogram structure, and then the folding of the upper supporting device and the lower supporting device is realized, so that the folding type medical nursing bed is convenient to arrange and use, and the labor intensity of medical workers is reduced.

3. When the folding chair is used, the folding of the hip fixing plate is realized through the matching of the driving rod and the driven rod, the folding of the arm fixing plate is realized through the sliding block and the telescopic rod, and the folding of the hip fixing plate and the arm fixing plate is realized, so that the folding chair is convenient to store, and the neatness of the folding chair is improved.

Drawings

FIG. 1 is a first isometric view of the present invention;

FIG. 2 is a second isometric view of the present invention;

FIG. 3 is an isometric view of a use state of the present invention;

FIG. 4 is a front view of the present invention in use;

FIG. 5 is an isometric view of a folding device of the present invention;

FIG. 6 is a first isometric view of a body fixation mechanism of the present invention;

FIG. 7 is a second isometric view of the body fixation mechanism of the present invention;

FIG. 8 is a first isometric view of a head fixation mechanism of the present invention;

FIG. 9 is a second isometric view of the head fixation mechanism of the present invention;

FIG. 10 is an isometric view of a leg securing mechanism of the present invention;

in the figure, 1, a leg fixing device, 101, a leg sleeve, 102, a leg sliding rod, 103, a transverse hinge, 104, a vertical hinge, 105, a leg adjusting plate, 106, a leg moving plate, 107, a leg fixing plate, 108, a leg connecting plate, 109, a leg fixing plate, 110 and a leg fixing screw rod; 2. the head fixing device comprises a head fixing device 201, a head sleeve 202, a head sliding rod 203, a head fixing block 204, a head clamping plate 205, a first adjusting screw rod 206 and a second adjusting screw rod; 3. a body fixing device 301, a hip fixing screw rod 302, a driven rod 303, a driving rod 304, a hip fixing plate 305, a support seat 306, an arm fixing band 307, an arm fixing plate 308, a sliding block 309, a telescopic rod 310 and a supporting plate; 4. an upper supporting device 401, an upper fixing bolt 402, an upper first supporting plate 403, an upper connecting plate 404, an upper second supporting plate 405 and an upper vertical plate; 5. the folding device comprises a folding device 501, a driving gear 502, a front driving rod 503, a transmission driving wheel 504, a transmission driven wheel 505, a rear driving rod 506, a rear output rod 507, a rear connecting rod 508, a rear supporting rod 509, a fixing plate 510, a front output rod 511, a front connecting rod 512 and a front supporting rod; 6. the middle supporting device 601, a middle first supporting plate 602, a middle fixing bolt 603, a middle connecting plate 604, a connecting seat 605, an idler wheel 606 and a rear supporting seat; 7. the lower support device comprises a lower support device 701, a lower first support plate 702, a lower fixing bolt 703, a lower connecting plate 704, a lower second support plate 705 and a lower vertical plate; 8. a bed board.

Detailed Description

An auxiliary device for treating esophageal cancer, as shown in fig. 1-10, comprises a bed plate 8, a pair of body fixing mechanisms is detachably connected on the bed plate 8, and the pair of body fixing mechanisms are respectively arranged at two sides of the bed plate 8; the body fixing mechanisms comprise middle supporting devices 6 matched with the bed plate 8, and a pair of folding devices 5 are connected to the middle supporting devices 6; the middle supporting device 6 is connected with a body fixing device 3, the body fixing device 3 comprises a hip fixing structure and an arm fixing structure which are connected with the middle supporting device 6, and the arm fixing structure is connected with the middle supporting device 6 in a sliding mode; the pair of folding devices 5 are respectively connected with a head fixing mechanism and a leg fixing mechanism, and the folding devices 5 can realize the folding of the head fixing mechanism, the leg fixing mechanism and the body fixing mechanism; the head fixing mechanism comprises an upper supporting device 4 connected with a folding device 5, and the upper supporting device 4 is connected with a head fixing device 2; the leg fixing mechanism comprises a lower support device 7 connected with the folding device 5, and the lower support device 7 is connected with a leg fixing device 1.

When the invention is used, a pair of body fixing mechanisms are fixed on a bed plate 8 through a middle supporting device 6, and the body fixing mechanisms extend the head fixing mechanisms and the leg fixing mechanisms through a folding device 5, so that the head fixing mechanisms and the leg fixing mechanisms respectively correspond to the head and leg joints of a patient; fixing the buttocks of the patient by matching the two buttocks fixing structures, and fixing the arms of the patient after the arm fixing structures correspond to the arms of the patient by sliding the arm fixing structures; the two head fixing devices 2 are matched to fix the head of the patient, and the two leg fixing devices 1 are used to fix the two legs of the patient; the arm fixing structure, the hip fixing structure, the head fixing device 2 and the leg fixing device 1 are used for fixing the whole body of the patient, so that the patient can move in the radiotherapy process, the accuracy of radiotherapy is influenced, and the radiotherapy effect of the patient is improved; in addition, when the folding device is used, the body fixing mechanism, the head fixing mechanism and the leg fixing mechanism are folded and extended through the folding device 5, the operation is simple, the folding device is convenient for medical staff to use, and the efficiency of radiotherapy is improved.

As shown in fig. 6 and 7, the middle supporting device 6 includes a pair of middle clamping structures and a middle support connected with the middle clamping structures, the middle clamping structures include a middle first supporting plate 601 and a middle second supporting plate parallel to the middle first supporting plate 601, the middle first supporting plate 601 is provided with a middle connecting plate 603 connected with the middle second supporting plate, and the middle first supporting plate 601 is screwed with a middle fixing bolt 602 matched with the bed plate 8; the pair of middle connecting plates 603 are provided with connecting blocks, connecting columns are arranged on the connecting blocks, and the pair of connecting blocks are connected through the connecting columns; the middle support comprises a connecting seat 604 connected with the middle second support plate, a rear support seat 606 and a front support seat arranged in parallel with the rear support seat 606 are connected on the connecting seat 604, and the rear support seat 606 is connected with the body fixing device 3.

The buttock fixing structure comprises a supporting plate 310 fixedly connected with a rear supporting seat 606, a buttock fixing screw rod 301 is rotatably connected to the supporting plate 310, a knob is arranged on the buttock fixing screw rod 301, a front movable block is screwed on the buttock fixing screw rod 301 and is in sliding connection with the supporting plate 310, and a driving rod 303 is rotatably connected to the front movable block; the middle part of the driving rod 303 is rotatably connected with a driven rod 302, one end of the driven rod 302 is rotatably connected with a supporting plate 310, the other end of the driven rod 302 is provided with a hip fixing plate 304, and the driven rod 302 is rotatably connected with the hip fixing plate 304; one end of the driving rod 303, which is far away from the front movable block, is rotatably connected with a rear movable block, and the rear movable block is in sliding connection with the hip fixing plate 304; the arm fixing structure comprises a sliding block 308 which is connected with a supporting plate 310 in a sliding way, and a fastening screw matched with the bed plate 8 is arranged on the sliding block 308; an expansion link 309 is hinged on the sliding block 308, an arm fixing plate 307 is hinged at the expansion end of the expansion link 309, and an arm fixing belt 306 is arranged on the arm fixing plate 307; the arm fixing strap 306 comprises a seta fixing strap and a round hair fixing strap matched with the seta fixing strap, a seta magic tape is arranged on the seta fixing strap, and a round hair magic tape matched with the seta magic tape is arranged on the round hair fixing strap; a support 305 matched with the bed plate 8 is arranged on the arm fixing plate 307; the telescopic rod 309 comprises a telescopic cylinder rotatably connected with the sliding block 308, a telescopic slide rod is slidably connected on the telescopic cylinder, and a fastening screw matched with the telescopic slide rod is arranged on the telescopic cylinder.

When the middle support device is used, the middle second support plate is placed on the bed plate 8, the rotating middle fixing bolt 602 fixes the bed plate 8, and the middle support device 6 is fixed on the bed plate 8 by the clamping structure in use; when the buttocks of a patient need to be fixed, the knob is rotated to drive the buttocks fixing screw rod 301 to rotate, the buttocks fixing screw rod 301 drives the front movable block to slide along the support plate 310, the front movable block drives the driving rod 303 to move, the driving rod 303 and the driven rod 302 are matched to push the buttocks fixing plate 304 to move because the middle part of the driving rod 303 is rotationally connected with the driven rod 302, and the rear movable block slides along the buttocks fixing plate 304 under the action of the driving rod 303 in the movement process of the buttocks fixing plate 304; the hip fixing screw rod 301 at the other side of the bed plate 8 is rotated again to realize the movement of the hip fixing plates 304, so that the fixation of the two hip fixing plates 304 on the hip of the patient is realized; when the arm of the patient needs to be fixed, the expansion process is that the telescopic rod 309 is rotated to enable the arm fixing plate 307 to be away from the supporting plate 310, the arm fixing plate 307 is rotated to be in a horizontal state and placed on the bed plate 8 through the support 305, the sliding block 308 is pulled to enable the arm fixing plate 307 to correspond to the arm of the patient, the sliding block 308 is fixed through a fastening screw, and the arm fixing band 306 is used for fixing the arm of the patient; the arm fixing plate 307 and the arm fixing strap 306 on the other side of the bed plate 8 are used again to fix the other arm of the patient.

When the folding chair is used, the hip fixing plate 304 is folded by matching the driving rod 303 and the driven rod 302, the arm fixing plate 307 is folded by the sliding block 308 and the telescopic rod 309, and the hip fixing plate 304 and the arm fixing plate 307 are folded, so that the folding chair is convenient to store, and the neatness of the folding chair is improved.

As shown in fig. 5, each of the pair of folding devices 5 includes a driving gear 501 rotatably connected to the rear supporting base 606, the driving gear 501 is connected to a front parallelogram structure, and the front parallelogram structure is connected to a rear parallelogram structure; idler wheels 605 are meshed with the driving gears 501, the two idler wheels 605 are meshed with each other, a motor is arranged on the front support seat, and the output end of the motor is connected with one driving gear 501.

The front parallelogram structure comprises a front driving rod 502 connected with the output end of the motor, one end of the front driving rod 502 close to the driving gear 501 is connected with a front supporting rod 512, and the front supporting rod 512 is fixedly connected with a rear supporting seat 606; the other end of the front driving rod 502 is rotatably connected with a front output rod 510, one end of the front output rod 510, which is far away from the front driving rod 502, is rotatably connected with a front connecting rod 511, and the other end of the front connecting rod 511 is rotatably connected with a front supporting rod 512; the front output rod 510 is fixedly connected with a fixing plate 509, the fixing plate 509 is rotatably connected with a transmission driving wheel 503, and the transmission driving wheel 503 is coaxially arranged with the rotation shafts of the front driving rod 502 and the front output rod 510.

A transmission driven wheel 504 is meshed with the transmission driving wheel 503, and the transmission driven wheel 504 is connected with the rear parallelogram structure; the rear parallelogram structure comprises a rear driving rod 505 coaxially connected with the transmission driven wheel 504, one end of the rear driving rod 505 close to the transmission driven wheel 504 is connected with a rear supporting rod 508, and the rear supporting rod 508 is fixedly connected with a fixing plate 509; the other end of the rear driving rod 505 is rotatably connected with a rear output rod 505, and the rear output rod 505 is fixedly connected with the corresponding upper support device 4 and the lower support device 7; one end of the rear output rod 505 far from the rear active rod 505 is rotatably connected with a rear connecting rod 507, and the other end of the rear connecting rod 507 is rotatably connected with a rear supporting rod 508.

When the folding device 5 is used, the driving gear 501 is driven to rotate by the motor, the driving gear 501 drives the idler pulley 605 to rotate, the idler pulley 605 drives the adjacent idler pulley 605 to rotate, and the idler pulley 605 drives the driving gear of the other folding device 5 engaged with the idler pulley to rotate; the two driving gears 501 synchronously drive the front driving rod 502 to rotate, and since the front driving rod 502, the front output rod 510, the front connecting rod 511 and the front supporting rod 512 form a front parallelogram structure, the front driving rod 502 rotates to drive the front output rod 510 to move, and the front output rod 510 drives the fixing plate 509 to move; the front output rod 510 drives the rear parallelogram structure to move through the fixing plate 509, the transmission driving wheel 503 and the transmission driven wheel 504, and the rear driving rod 505 rotates along with the rotation of the transmission driven wheel 504, so that the rear output rod 505 drives the corresponding upper support device 4 and the lower support device 7 to move.

When the folding type medical nursing bed is used, the upper supporting device 4 and the lower supporting device 7 are far away from or close to the middle supporting device 6 through the matching of the front parallelogram structure and the rear parallelogram structure, and then the upper supporting device 4 and the lower supporting device 7 are folded, so that the folding type medical nursing bed is convenient to arrange and use, and the labor intensity of medical workers is reduced.

As shown in fig. 8 and 9, the upper supporting device 4 includes an upper first supporting plate 402, an upper connecting plate 403 is connected to the upper first supporting plate 402, an upper second supporting plate 404 parallel to the upper first supporting plate 402 is connected to the middle of the upper connecting plate 403, and an upper fixing bolt 401 matching with the bed plate 8 is screwed on the upper first supporting plate 402; an upper vertical plate 405 is fixedly connected to one end of the upper second support plate 404 away from the upper connecting plate 403, the upper vertical plate 405 is parallel to the upper connecting plate 403, and the upper vertical plate 405 is connected to a corresponding rear output rod 505 of the folding device 5.

The head fixing device 2 comprises a head sleeve 201 fixedly connected to the upper vertical plate 405, the head sleeve 201 is connected with a head sliding rod 202 through a spline, and the head sleeve 201 is rotatably connected with a head fixing screw rod in threaded connection with the head sliding rod 202; one end of the head sliding rod 202, which is far away from the head sleeve 201, is connected with a head fixing block 203, the head fixing block 203 is rotatably connected with a second adjusting screw rod 206, and an adjusting block fixedly connected with the head sliding rod 202 is screwed on the second adjusting screw rod 206; the head fixing block 203 is also rotatably connected with a first adjusting screw rod 205, and a pair of head clamping plates 204 are screwed on the first adjusting screw rod 205; the first adjusting screw 205 comprises a forward portion and a reverse portion connected with the forward portion, the pair of head clamping plates 204 are respectively arranged on the forward portion and the reverse portion, and the screw directions of the screws of the forward portion and the reverse portion are opposite.

When the head fixing mechanism is used, the upper supporting device 4 moves to a position corresponding to the head of a patient under the action of the folding device 5, the upper fixing bolt 401 is rotated, and the upper fixing bolt 401 is matched with the upper second supporting plate 404 to fix the upper supporting device 4 on the bed plate 8, so that the stability of the invention is improved. After the upper supporting device 4 is fixed, the position of the head fixing block 203 on the head sliding rod 202 is finely adjusted by using the second adjusting screw rod 206, so that the head clamping plate 204 corresponds to the head of the patient; the first adjusting screw rod 205 is rotated again, the distance between the two head clamping plates 204 is adjusted, so that the two head clamping plates 204 correspond to the head of the patient in size, and the fixing effect of the head fixing device on the head of the patient is improved; because the first adjusting screw 205 is opposite to the matched threads of the two head clamping plates 204, the two head clamping plates 204 can be driven to synchronously move by rotating the first adjusting screw 205, and the adjusting convenience of the invention is improved.

After the adjustment is completed, the head fixing screw rod is rotated, and the head fixing screw rod drives the head sliding rod 202 to slide along the head sleeve 201 as the head fixing screw rod is in threaded connection with the head sliding rod 202; the head slide bar 202 drives the head fixing block 203 to move, and the head fixing block 203 drives the head clamping plate 204 to move; the head fixing screw rod on the other side of the bed plate 8 is rotated again, and the head clamping plates 204 on the two sides of the head of the patient are matched to fix the head of the patient.

As shown in fig. 10, the lower supporting device 7 includes a lower first supporting plate 701, a lower connecting plate 703 is connected to the lower first supporting plate 701, a lower second supporting plate 704 parallel to the lower first supporting plate 701 is connected to the middle of the lower connecting plate 703, and a lower fixing bolt 702 matched with the bed plate 8 is screwed on the lower first supporting plate 701; one end of the lower second support plate 704, which is far away from the lower connecting plate 703, is fixedly connected with a lower vertical plate 705, the lower vertical plate 705 is arranged in parallel with the lower connecting plate 703, and the lower vertical plate 705 is connected with a corresponding rear output rod 505 on the folding device 5.

The leg fixing device 1 comprises a leg sleeve 101 fixedly connected to a lower vertical plate 705, the leg sleeve 101 is connected with a leg sliding rod 102 through a spline, and a leg adjusting screw rod in threaded connection with the leg sliding rod 102 is rotatably connected to the leg sleeve 101; one end of the leg sliding rod 102, which is far away from the leg sleeve 101, is connected with a transverse hinge 103, the transverse hinge 103 is connected with a vertical hinge 104, and the vertical hinge 104 is connected with a leg adjusting plate 105; a leg connecting plate 108 is fixedly connected to the middle of the leg adjusting plate 105, and a leg fixing plate 107 is connected to one end, far away from the leg adjusting plate 105, of the leg connecting plate 108; a leg fixing plate 109 is fixedly connected to the middle of the leg connecting plate 108, and a leg moving plate 106 matched with the leg fixing plate 107 is arranged between the leg fixing plate 109 and the leg adjusting plate 105; a leg fixing screw 110 screwed to the leg moving plate 106 is rotatably connected to the leg adjusting plate 105, and the leg fixing screw 110 is rotatably connected to the leg fixing plate 109.

When the leg fixing mechanism is used, the lower support device 7 moves to a position corresponding to the leg joint of a patient under the action of the folding device 5, the lower fixing bolt 702 is rotated, and the lower fixing bolt 702 is matched with the lower second support plate 704 to fix the lower support device 7 on the bed plate 8, so that the stability of the leg fixing mechanism is improved. After the lower support device 7 is fixed, the leg adjusting screw rod is rotated, and as the leg adjusting screw rod is in threaded connection with the leg sliding rod 102, the leg adjusting screw rod drives the leg sliding rod 102 to slide along the leg sleeve 101, and the leg sliding rod 102 drives the leg adjusting plate 105 to move to correspond to the leg joint of the patient; the rotating leg adjusting plate 105 rotates along the vertical hinge 104 and the horizontal hinge 103 to position the leg joint of the patient between the leg fixing plate 107 and the leg moving plate 106; the leg fixing screw rod 110 is rotated, and the leg fixing screw rod 110 is screwed with the leg moving plate 106, so that the leg fixing screw rod 110 drives the leg moving plate 106 to be matched with the leg fixing plate 107 to fix the leg of the patient.

When the leg fixing mechanism is used, the structures such as the leg adjusting plate 105 and the like are driven by the transverse hinge 103 to rotate along the transverse direction, so that the leg moving plate 106 and the leg fixing plate 107 correspond to the angle of the leg of a patient, and the effect of fixing the leg of the patient is improved.

The working process of the invention is as follows:

when the invention is used, a pair of body fixing mechanisms are respectively fixed at two sides of a bed plate 8 through a middle supporting device 6, and the fixing process is as follows: the middle second support plate is placed on the bed plate 8, the middle fixing bolt 602 is rotated to fix the bed plate 8, and the middle support device 6 is fixed on the bed plate 8 by the clamping structure in use.

The unfolding process is as follows: the driving gear 501 is driven to rotate by the motor, the driving gear 501 drives the idler pulley 605 to rotate, the idler pulley 605 drives the adjacent idler pulley 605 to rotate, and the idler pulley 605 drives the driving gear of the other folding device 5 meshed with the idler pulley to rotate; the two driving gears 501 synchronously drive the front driving rod 502 to rotate, and since the front driving rod 502, the front output rod 510, the front connecting rod 511 and the front supporting rod 512 form a front parallelogram structure, the front driving rod 502 rotates to drive the front output rod 510 to move, and the front output rod 510 drives the fixing plate 509 to move; the front output rod 510 drives the rear parallelogram structure to move through the fixing plate 509, the transmission driving wheel 503 and the transmission driven wheel 504, and the rear driving rod 505 rotates along with the rotation of the transmission driven wheel 504, so that the rear output rod 505 drives the corresponding upper support device 4 and the lower support device 7 to be unfolded.

After the upper supporting device 4 and the lower supporting device 7 are unfolded, the upper fixing bolt 401 is rotated, and the upper fixing bolt 401 is matched with the upper second supporting plate 404 to fix the upper supporting device 4 on the bed plate 8; the lower fixing bolt 702 is rotated, and the lower fixing bolt 702 is matched with the lower second supporting plate 704 to fix the lower supporting device 7 on the bed plate 8.

The hip fixing process comprises the following steps: the rotating knob drives the buttock fixing screw rod 301 to rotate, the buttock fixing screw rod 301 drives the front movable block to slide along the supporting plate 310, the front movable block drives the driving rod 303 to move, the driving rod 303 and the driven rod 302 are matched to push the buttock fixing plate 304 to move due to the fact that the middle of the driving rod 303 is rotationally connected with the driven rod 302, and the rear movable block slides along the buttock fixing plate 304 under the action of the driving rod 303 in the movement process of the buttock fixing plate 304; the hip fixing screw rod 301 on the other side of the bed plate 8 is rotated again to realize the movement of the hip fixing plates 304, and then the fixation of the two hip fixing plates 304 on the hip of the patient is realized.

The arm fixing process is as follows: rotating the telescopic rod 309 to make the arm fixing plate 307 far away from the supporting plate 310, rotating the arm fixing plate 307 to be in a horizontal state, placing the arm fixing plate 307 on the bed plate 8 through the support 305, drawing the sliding block 308 to make the arm fixing plate 307 correspond to the arm of the patient, and fixing the arm of the patient by using the arm fixing band 306; the arm fixing plate 307 and the arm fixing strap 306 on the other side of the bed plate 8 are used again to fix the other arm of the patient.

The head fixing process comprises the following steps: finely adjusting the position of the head fixing block 203 on the head slide bar 202 by using a second adjusting screw rod 206 to enable the head clamping plate 204 to correspond to the head of the patient; the first adjusting screw rod 205 is rotated again, the distance between the two head clamping plates 204 is adjusted, so that the two head clamping plates 204 correspond to the head of the patient in size, and the fixing effect of the head fixing device on the head of the patient is improved; since the first adjusting screw 205 is opposite to the matching threads of the two head clamping plates 204, the two head clamping plates 204 can be driven to move synchronously by rotating the first adjusting screw 205.

After the adjustment is completed, the head fixing screw rod is rotated, and the head fixing screw rod drives the head sliding rod 202 to slide along the head sleeve 201 as the head fixing screw rod is in threaded connection with the head sliding rod 202; the head slide bar 202 drives the head fixing block 203 to move, and the head fixing block 203 drives the head clamping plate 204 to move; the head fixing screw rod on the other side of the bed plate 8 is rotated again, and the head clamping plates 204 on the two sides of the head of the patient are matched to fix the head of the patient.

The leg joint fixing process comprises the following steps: the leg adjusting screw rod is rotated, and as the leg adjusting screw rod is in threaded connection with the leg sliding rod 102, the leg adjusting screw rod drives the leg sliding rod 102 to slide along the leg sleeve 101, and the leg sliding rod 102 drives the leg adjusting plate 105 to move to correspond to the leg joint of the patient; the rotating leg adjusting plate 105 rotates along the vertical hinge 104 and the horizontal hinge 103 to position the leg joint of the patient between the leg fixing plate 107 and the leg moving plate 106; the leg fixing screw rod 110 is rotated, and the leg fixing screw rod 110 is screwed with the leg moving plate 106, so that the leg fixing screw rod 110 drives the leg moving plate 106 to be matched with the leg fixing plate 107 to fix the leg of the patient.