Moving bed for close-range radiotherapy in gynecology department

Abstract

The utility model discloses a movable bed for close-range radiotherapy in gynecology department, which relates to the technical field of medical equipment and comprises mounting seats, a bidirectional screw rod is connected between the mounting seats through bearings, a driving assembly is arranged between the bidirectional screw rod and the mounting seats, and two ends of the outer wall of the bidirectional screw rod are in threaded connection with nuts. Second connecting blocks are mounted at the tops of the two nuts, connecting rods are hinged to the tops of the two second connecting blocks, first connecting blocks are hinged to the ends, away from the second connecting blocks, of the two connecting rods, a supporting plate is mounted at the tops of the two first connecting blocks, and limiting assemblies are arranged at the bottom of the supporting plate and the top of the mounting base. According to the movable bed, the mounting base, the bidirectional lead screw, the nut, the first connecting block, the connecting rod, the second connecting block and the driving assembly are arranged in a matched mode, the height of the bed board can be adjusted, a patient can lie on the bed board very conveniently, a ladder and a stool do not need to be used for assistance, and the using safety of the movable bed is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a mobile bed for gynecological close-range radiotherapy. Background Art

[0002] Gynecological brachytherapy includes radiotherapy for cervical cancer. Cervical cancer is a common gynecological tumor. Afterloading therapy is one of the important methods for treating cervical cancer. Gynecological afterloading therapy is to place an applicator without a radioactive source into the vagina and uterine cavity. In a well-protected control room far away from the treatment room, the afterloader is started and the radioactive source is sent into the container for treatment. When the treatment is completed, the radioactive source is returned to the source storage tank. The patient needs to lie on the treatment bed when receiving radiotherapy.

[0003] The Chinese utility model patent announcement number CN212997970U discloses a radiotherapy bed with limb positioning, including a radiotherapy bed body, arm fixing plates are symmetrically arranged on both sides of the radiotherapy bed body near the head, at least two arm fixing rings are installed on each arm fixing plate, and a thigh fixing ring for fixing the thigh is also installed on the top surface of the radiotherapy bed body, and a groove is provided on the top surface of one end of the radiotherapy bed body near the foot, and a movable plate is slidably installed in the groove. The utility model can fix the patient's arms, thighs and calves through the arm fixing rings, thigh fixing rings and calf fixing rings, so as to prevent the patient's body from moving during radiotherapy and causing poor treatment effect. However, the height of the radiotherapy bed is not adjustable. In actual use, due to the high bed body, it is inconvenient for patients to get on and off the bed. In order to facilitate patients to lie on the examination bed, special stairs or stools are generally provided on the side of the radiotherapy bed to assist patients to lie on the examination bed, but the stability of the special stairs and stools is poor, and patients have certain dangers when climbing. Utility Model Content

[0004] In order to improve the problem that the height of the radiotherapy bed is not adjustable, which makes it inconvenient for patients to get on and off the bed due to the high bed body during actual use, the utility model provides a mobile bed for gynecological close-range radiotherapy.

[0005] The utility model provides a mobile bed for gynecological brachytherapy, which adopts the following technical solutions:

[0006] A mobile bed for gynecological close-range radiotherapy comprises a mounting seat, wherein a bidirectional screw is connected between the mounting seats via a bearing, a driving assembly is arranged between the bidirectional screw and the mounting seat, both ends of the outer wall of the bidirectional screw are threadedly connected with nuts, second connecting blocks are installed on the tops of two groups of nuts, connecting rods are hinged on the tops of two groups of the second connecting blocks, and first connecting blocks are hinged on the ends of the two groups of connecting rods away from the second connecting blocks, support plates are installed on the tops of the two groups of the first connecting blocks, limiting assemblies are arranged at the bottom of the support plate and the top of the mounting seat, a bed board is installed on the top of the support plate, and positioning assemblies are arranged at the bottom of the bed board and the top of the support plate.

[0007] By adopting the above technical solution, the bidirectional screw rod is driven to rotate by the driving assembly, and the bidirectional screw rod rotates to drive the nut to move to both sides. When the nut moves, the supporting plate is driven to move downward through the connecting rod, and the movement of the supporting plate drives the bed board to move downward. When the bed board moves downward, the height of the bed board can be lowered. By lowering the height of the bed board, the patient can lie on the bed board very conveniently without the assistance of ladders and stools, thereby improving safety.

[0008] Optionally, universal wheels are installed at the four corners of the bottom of the mounting base.

[0009] By adopting the above technical solution, it is convenient for medical staff to use the universal wheels to drive the bed board to move its position.

[0010] Optionally, the drive assembly includes a groove, which is opened at the center of the top of the mounting seat, an L-shaped connecting plate is installed on the right side wall of the inner cavity of the groove, a servo motor is installed on the left side of the L-shaped connecting plate, a driving shaft is installed at the power output end of the servo motor, a driving gear is installed at the end of the driving shaft away from the servo motor, the top of the driving gear is meshed and connected with a driven gear, and the driven gear is sleeved at the center of the outer wall of the bidirectional screw.

[0011] By adopting the above technical solution, when the servo motor is working, the driving shaft drives the driving gear to rotate, the driving gear rotates to drive the driven gear to rotate, and the driven gear rotates to drive the bidirectional screw rod to rotate.

[0012] Optionally, the limit assembly includes two groups of limit grooves, which are respectively opened on both sides of the mounting seat, and the inner cavities of the two groups of limit grooves are installed with limit rods. The tops of the two groups of limit rods are respectively fixedly connected to the two ends of the bottom of the support plate, and the tops of both sides of the mounting seat are screwed with locking bolts, and the outer sides of the limit rods are evenly spaced with screw holes matching the locking bolts.

[0013] By adopting the above technical solution, when the support plate is raised or lowered, it can drive the limit rod to slide in the limit groove. When the support plate is adjusted to a suitable position, the locking bolt is screwed into the corresponding screw hole, so that the limit rod can be locked and fixed by the locking bolt, and then the position of the bed board after being raised can be fixed, thereby improving the stability of the bed during use.

[0014] Optionally, the positioning assembly includes two groups of positioning blocks, and the two groups of positioning blocks are respectively installed at two ends of the bottom of the bed board, and both ends of the top of the support plate are provided with positioning grooves that are plugged into and cooperate with the positioning blocks.

[0015] By adopting the above technical solution, the bed board can be quickly disassembled and assembled by plugging and matching the positioning block and the positioning groove.

[0016] Optionally, locking assemblies are provided on both sides of the support plate, and the locking assemblies include two groups of shells, the two groups of shells are respectively installed on both sides of the support plate, and the inner cavities of the two groups of shells are installed with slides, and the two groups of slides are connected to movable rods on the side away from the center of the support plate, and the two groups of movable rods extend out of the shells and are installed with pull plates at one end away from the slides, and the outer wall of the movable rod is provided with a positioning spring, and the positioning spring is located between the slide and the inner wall of the shell, and the two groups of slides are connected to an insertion rod on the side close to the center of the support plate, and the outer side of the positioning block is provided with a slot that is plugged into and cooperates with the insertion rod.

[0017] By adopting the above technical solution, when it is necessary to release the fixing effect of the insertion rod on the positioning block, the medical staff pulls the pull plate outward, and the pull plate drives the slide plate to move outward through the movable rod. The movement of the slide plate compresses the positioning spring, and the movement of the slide plate drives the insertion rod to move outward until the insertion rod is separated from the slot.

[0018] Optionally, both ends of the top of the bed board are connected to baffles, two groups of baffles are connected to handles on one side away from the center of the bed board, and a sponge pad is connected between the two groups of baffles.

[0019] By adopting the above technical solution, it is convenient for medical staff to move the bed board by holding the handle, and the comfort of the patient is increased by providing the sponge pad.

[0020] Optionally, both sides of the bed board are connected to fixed plates, the tops of the two groups of fixed plates are connected to arm straps, the end of the top of the bed board away from the arm straps is connected to a thigh strap, and the end of the thigh strap away from the arm straps is connected to a calf strap.

[0021] By adopting the above technical solution, the patient's calves, thighs and arms can be fixed to prevent the patient's body from moving during radiotherapy, which may cause poor treatment effects.

[0022] In summary, the present invention has at least one of the following beneficial effects:

[0023] (1) The height of the bed board can be adjusted by coordinating the mounting seat, the bidirectional screw rod, the nut, the first connecting block, the connecting rod, the second connecting block and the driving assembly, so that the patient can lie on the bed board conveniently without the assistance of a ladder or a stool, thereby improving the safety of the mobile bed when in use.

[0024] (2) By coordinating the limit rod, locking bolt, screw hole and limit groove, the locking bolt is screwed into the screw hole, so that the limit rod can be locked and fixed, and the position of the bed board after it is raised can be fixed, thereby improving the stability of the bed during use and better cooperating with doctors in detection and treatment.

[0025] (3) By coordinating the bed board, the positioning assembly, the support board and the locking assembly, the bed board can be removed from the support board. There is no need to carry the patient separately, which can avoid secondary injuries to the patient as much as possible. The transportation is convenient and labor-saving, thereby improving the transportation efficiency of the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0029] Figure 3 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0030] Figure 4 For the utility model Figure 1 Schematic diagram of the structure at point B in the middle.

[0031] In the figure: 1, bed board; 2, positioning assembly; 201, positioning block; 202, positioning slot; 3, support plate; 4, limit assembly; 401, limit rod; 402, locking bolt; 403, screw hole; 404, limit slot; 5, mounting seat; 6, universal wheel; 7, two-way screw rod; 8, nut; 9, first connecting block; 10, connecting rod; 11, second connecting block; 12, handle; 13, baffle; 14, calf strap; 15, thigh strap; 1 6. Arm strap; 17. Fixing plate; 18. Sponge pad; 19. Driving assembly; 1901. Driven gear; 1902. Driving gear; 1903. Driving shaft; 1904. Servo motor; 1905. Groove; 1906. L-shaped connecting plate; 20. Locking assembly; 2001. Slot; 2002. Insert rod; 2003. Slide plate; 2004. Positioning spring; 2005. Movable rod; 2006. Pull plate; 2007. Shell. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 The utility model is described in further detail.

[0033] Please refer to the attached figure in the instruction manual Figure 1 The utility model provides an embodiment: a mobile bed for gynecological brachytherapy, comprising a mounting seat 5, a bidirectional screw rod 7 is rotatably connected between the mounting seats 5 through a bearing, and universal wheels 6 are installed at the four corners of the bottom of the mounting seat 5. It is convenient for medical staff to use the universal wheels 6 to drive the bed board 1 to move the position.

[0034] Please refer to the attached figure in the instruction manual Figure 1 and Figure 3 A driving assembly 19 is arranged between the bidirectional screw rod 7 and the mounting seat 5. The driving assembly 19 includes a groove 1905. The groove 1905 is opened at the center of the top of the mounting seat 5. An L-shaped connecting plate 1906 is installed on the right side wall of the inner cavity of the groove 1905. A servo motor 1904 is installed on the left side of the L-shaped connecting plate 1906. A driving shaft 1903 is installed at the power output end of the servo motor 1904. A driving gear 1902 is installed at the end of the driving shaft 1903 away from the servo motor 1904. The top of the driving gear 1902 is meshed and connected with a driven gear 1901. The driven gear 1901 is sleeved at the center of the outer wall of the bidirectional screw rod 7. When the servo motor 1904 is working, the driving gear 1902 is driven to rotate through the driving shaft 1903. The driving gear 1902 rotates to drive the driven gear 1901 to rotate. The driven gear 1901 rotates to drive the bidirectional screw rod 7.

[0035] Please refer to the attached figure in the instruction manual Figure 1, both ends of the outer wall of the bidirectional screw rod 7 are threadedly connected with screw nuts 8, the tops of the two groups of screw nuts 8 are installed with second connecting blocks 11, the tops of the two groups of second connecting blocks 11 are hinged with connecting rods 10, and the ends of the two groups of connecting rods 10 away from the second connecting block 11 are hinged with first connecting blocks 9, and the tops of the two groups of first connecting blocks 9 are installed with support plates 3, and the bottom of the support plate 3 and the top of the mounting seat 5 are provided with limit components 4, and the limit components 4 include two groups of limit grooves 404, and the two groups of limit grooves 404 are respectively opened on both sides of the mounting seat 5. The inner cavities of the two groups of limit grooves 404 are slidably installed with limit rods 401, and the tops of the two groups of limit rods 401 are respectively fixedly connected to the two ends of the bottom of the support plate 3, and the tops of both sides of the mounting seat 5 are screwed with locking bolts 402, and the outer sides of the limit rods 401 are evenly spaced to provide screw holes 403 matching the locking bolts 402. When the support plate 3 is raised or lowered, it can drive the limiting rod 401 to slide in the limiting groove 404. When the support plate 3 is adjusted to a suitable position, the locking bolt 402 is screwed into the corresponding screw hole 403, so that the limiting rod 401 can be locked and fixed by the locking bolt 402, and then the position of the bed board 1 after being raised can be fixed, thereby improving the stability of the bed body during use.

[0036] Please refer to the attached figure in the instruction manual Figure 1 and Figure 2 The top of the support plate 3 is provided with a bed board 1, and baffles 13 are vertically connected to both ends of the top of the bed board 1. The two sets of baffles 13 are fixedly connected to the side away from the center of the bed board 1 with handles 12, and a sponge pad 18 is fixedly connected between the two sets of baffles 13. It is convenient for medical staff to hold the handle 12 to move the bed board 1, and the sponge pad 18 is provided to increase the comfort of the patient.

[0037] Please refer to the attached figure in the instruction manual Figure 1 and Figure 2 Both sides of the bed board 1 are connected with fixing plates 17, the tops of the two sets of fixing plates 17 are connected with arm straps 16, the end of the top of the bed board 1 away from the arm straps 16 is connected with a thigh strap 15, and the end of the thigh strap 15 away from the arm strap 16 is connected with a calf strap 14. Thus, the patient's calf, thigh and arm can be fixed to prevent the patient's body from moving during radiotherapy, which may cause poor treatment effect.

[0038] Please refer to the attached figure in the instruction manual Figure 1 and Figure 4 The bottom of the bed board 1 and the top of the support board 3 are provided with a positioning assembly 2, which includes two sets of positioning blocks 201, which are respectively fixedly mounted at the two ends of the bottom of the bed board 1, and the two ends of the top of the support board 3 are provided with positioning grooves 202 that are plugged with the positioning blocks 201. Through the plug-in cooperation of the positioning blocks 201 and the positioning grooves 202, the bed board 1 can be quickly disassembled and assembled.

[0039] Please refer to the attached figure in the instruction manual Figure 1 and Figure 4 , locking components 20 are provided on both sides of the support plate 3, and the locking components 20 include two groups of shells 2007, and the two groups of shells 2007 are respectively installed on both sides of the support plate 3, and the inner cavities of the two groups of shells 2007 are slidably installed with slides 2003, and the two groups of slides 2003 are fixedly connected with movable rods 2005 on the sides away from the center of the support plate 3, and the ends of the two groups of movable rods 2005 away from the slides 2003 extend out of the shells 2007 and are fixedly installed with pull plates 2006, and the outer walls of the movable rods 2005 are sleeved with positioning springs 2004, and the positioning springs 2004 are located between the slides 2003 and the inner walls of the shells 2007, and the two groups of slides 2003 are fixedly connected with the insertion rods 2002 on the sides close to the center of the support plate 3, and the outer side of the positioning block 201 is provided with a slot 2001 that is plugged with the insertion rod 2002. When it is necessary to release the fixing effect of the insertion rod 2002 on the positioning block 201, the medical staff pulls the pull plate 2006 outward, and the pull plate 2006 drives the slide plate 2003 to move outward through the movable rod 2005. The movement of the slide plate 2003 compresses the positioning spring 2004, and the movement of the slide plate 2003 drives the insertion rod 2002 to move outward until the insertion rod 2002 is separated from the slot 2001.

[0040] Working principle: when using the mobile bed, the universal wheel 6 is used to move the bed board 1 to the desired position, an external power supply is connected, and the servo motor 1904 is started. When the servo motor 1904 is working, the driving gear 1902 is driven to rotate through the driving shaft 1903, and the driving gear 1902 rotates to drive the driven gear 1901 to rotate, and the driven gear 1901 rotates to drive the two-way screw rod 7 to rotate, and the two-way screw rod 7 rotates to drive the nut 8 to move to both sides. When the nut 8 moves, it drives the support plate 3 to move downward through the connecting rod 10, and the movement of the support plate 3 drives the bed board 1 to move downward. When the bed board 1 moves downward, the height of the bed board 1 can be lowered. By lowering the height of the bed board 1, the patient can lie on the bed board 1 very conveniently without the assistance of a ladder or a stool, thereby improving safety.

[0041] After the patient lies down on the bed board 1, the locking bolt 402 is screwed into the corresponding screw hole 403, so that the limit rod 401 can be locked and fixed, and the position of the bed board 1 after being raised can be fixed. By fixing the height of the bed board 1, the stability of the bed board 1 during use can be improved, and it can also better cooperate with the doctor's detection and treatment.

[0042] The calf strap 14, thigh strap 15 and arm strap 16 can fix the patient's calf, thigh and arm to prevent the patient's body from moving during radiotherapy and causing poor treatment effect. When the patient needs to be moved to the radiation table, the medical staff pulls the pull plate 2006 outward, and the pull plate 2006 drives the slide plate 2003 to move outward through the movable rod 2005 and compresses the positioning spring 2004. When the slide plate 2003 moves, it drives the insertion rod 2002 to move outward until the insertion rod 2002 is separated from the slot 2001, releasing the fixing effect of the insertion rod 2002 on the positioning block 201. At this time, the medical staff holds the handle 12 and lifts the bed board 1 upward. The bed board 1 drives the positioning block 201 to move upward, so that the positioning block 201 is separated from the positioning slot 202, and the bed board 1 can be removed from the support board 3. There is no need to carry the patient separately, and secondary injury to the patient is avoided as much as possible, making the mobile bed more convenient when transporting patients.

[0043] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A mobile bed for gynecological brachytherapy, comprising a mounting base (5), characterized in that: A bidirectional screw rod (7) is connected between the mounting seats (5) via a bearing, a driving assembly (19) is arranged between the bidirectional screw rod (7) and the mounting seat (5), both ends of the outer wall of the bidirectional screw rod (7) are threadedly connected with nuts (8), the tops of the two groups of nuts (8) are both installed with second connecting blocks (11), the tops of the two groups of the second connecting blocks (11) are both hinged with connecting rods (10), the ends of the two groups of connecting rods (10) away from the second connecting blocks (11) are both hinged with first connecting blocks (9), the tops of the two groups of the first connecting blocks (9) are installed with support plates (3), the bottom of the support plate (3) and the top of the mounting seat (5) are provided with a limiting assembly (4), the top of the support plate (3) is installed with a bed board (1), and the bottom of the bed board (1) and the top of the support plate (3) are provided with a positioning assembly (2).

2. The mobile bed for gynecological brachytherapy according to claim 1, characterized in that: Universal wheels (6) are installed at the four corners of the bottom of the mounting seat (5).

3. The mobile bed for gynecological brachytherapy according to claim 1, characterized in that: The driving assembly (19) comprises a groove (1905), wherein the groove (1905) is opened at the center of the top of the mounting seat (5), an L-shaped connecting plate (1906) is installed on the right side wall of the inner cavity of the groove (1905), a servo motor (1904) is installed on the left side of the L-shaped connecting plate (1906), a driving shaft (1903) is installed at the power output end of the servo motor (1904), a driving gear (1902) is installed at one end of the driving shaft (1903) away from the servo motor (1904), the top of the driving gear (1902) is meshedly connected with a driven gear (1901), and the driven gear (1901) is sleeved at the center of the outer wall of the bidirectional screw rod (7).

4. The mobile bed for gynecological brachytherapy according to claim 1, characterized in that: The limiting assembly (4) comprises two groups of limiting grooves (404), the two groups of limiting grooves (404) are respectively arranged on both sides of the mounting seat (5), the inner cavities of the two groups of limiting grooves (404) are both installed with limiting rods (401), the tops of the two groups of limiting rods (401) are respectively fixedly connected to the two ends of the bottom of the support plate (3), the tops of both sides of the mounting seat (5) are screwed with locking bolts (402), and the outer sides of the limiting rods (401) are evenly spaced with screw holes (403) matching the locking bolts (402).

5. The mobile bed for gynecological brachytherapy according to claim 1, characterized in that: The positioning assembly (2) comprises two groups of positioning blocks (201), the two groups of positioning blocks (201) being respectively mounted at two ends of the bottom of the bed board (1), and both ends of the top of the support board (3) are provided with positioning grooves (202) which are plugged into and matched with the positioning blocks (201).

6. The mobile bed for gynecological brachytherapy according to claim 5, characterized in that: The support plate (3) is provided with locking assemblies (20) on both sides thereof. The locking assemblies (20) include two groups of shells (2007). The two groups of shells (2007) are respectively installed on both sides of the support plate (3). The inner cavities of the two groups of shells (2007) are both installed with slide plates (2003). The two groups of slide plates (2003) are both connected to movable rods (2005) at one end away from the center of the support plate (3). The shell (2007) extends out and is equipped with a pull plate (2006), the outer wall of the movable rod (2005) is sleeved with a positioning spring (2004), and the positioning spring (2004) is located between the slide plate (2003) and the inner wall of the shell (2007), and the two groups of slide plates (2003) are connected to the side close to the center of the support plate (3) with an insertion rod (2002), and the outer side of the positioning block (201) is provided with a slot (2001) that is plugged into and matched with the insertion rod (2002).

7. The mobile bed for gynecological brachytherapy according to claim 1, characterized in that: Both ends of the top of the bed board (1) are connected to baffles (13), the sides of the two groups of baffles (13) away from the center of the bed board (1) are connected to handles (12), and a sponge pad (18) is connected between the two groups of baffles (13).

8. The mobile bed for gynecological brachytherapy according to claim 1, characterized in that: Both sides of the bed board (1) are connected to fixing plates (17), the tops of the two groups of fixing plates (17) are connected to arm straps (16), the end of the top of the bed board (1) away from the arm straps (16) is connected to a thigh strap (15), and the end of the thigh strap (15) away from the arm strap (16) is connected to a calf strap (14).

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