Upper limb auxiliary supporting device special for DSA bed

Abstract

The utility model relates to a special upper limb auxiliary supporting device for a DSA bed, which comprises a horizontally arranged fixing frame, two groups of supporting components are arranged in the fixing frame and symmetrically distributed on two sides of the fixing frame, and each group of supporting components comprises a rotating plate which is arranged in the fixing frame and is parallel to the fixing frame. One end of each rotating plate is rotationally connected with the fixing frame, the other end of each rotating plate is provided with a locking device capable of locking the position of the corresponding rotating plate, and the locking devices are in sliding connection with the fixing frame; side baffles are hinged to the outer sides of the rotating plates, and locking devices used for locking the positions of the side baffles are installed at the hinged positions of the side baffles and the rotating plates; the supporting effect on the upper limbs of the patient can be improved, the upper limbs of the patient are prevented from falling off from the DSA bed, and therefore the risk that the puncture catheter falls off can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to an upper limb auxiliary supporting device dedicated to a DSA bed. Background Art

[0002] At present, when a patient undergoes DSA surgery, i.e., digital subtraction angiography, the patient is usually required to lie flat on the DSA bed in a supine position for radial artery puncture. During the puncture process, the patient's upper limbs need to be spread out at a certain angle to the body, and during the operation, the patient's upper limbs need to remain spread out. However, since the bed surface of the existing DSA bed is relatively narrow, the DSA bed has a poor support effect on the patient's upper limbs after spreading out, and since there are no guardrails on both sides of the DSA bed, there is a risk that the patient's upper limbs will fall off the DSA bed and cause the puncture catheter to fall off. Therefore, there are still shortcomings and deficiencies in the existing technology. Utility Model Content

[0003] The purpose of the present utility model is to provide an upper limb auxiliary support device dedicated to a DSA bed, so as to solve the problems raised in the above background technology.

[0004] In order to solve the above problems, the technical solutions adopted by this utility model are as follows:

[0005] An upper limb auxiliary support device for a DSA bed, comprising a horizontally arranged fixed frame, wherein two groups of support assemblies are arranged in the fixed frame, and the two groups of support assemblies are symmetrically distributed on both sides of the fixed frame, and each group of support assemblies includes a rotating plate located in the fixed frame and arranged parallel to the fixed frame, wherein one end of the rotating plate is respectively rotatably connected to the fixed frame, and the other end of the rotating plate is provided with a locking device capable of locking the position of the rotating plate, and the locking device is slidably connected to the fixed frame;

[0006] The outer sides of the rotating plates are hinged with side baffles, and the hinged positions of the side baffles and the rotating plates are equipped with locking devices for locking the positions of the side baffles.

[0007] Furthermore, a receiving groove that vertically penetrates the rotating plate is provided on the outer side surface of each rotating plate, and a fixing rod is fixedly connected between the two oppositely arranged groove walls in each receiving groove. A rotatable rotating tube is sleeved on the fixed rod, and the rotating tube is connected to the side baffle by an arc-shaped connecting plate, and the locking device is respectively installed on the fixed rod.

[0008] Furthermore, the locking devices include a spring and a locking block, the springs are respectively mounted on a fixed rod located at one end of the rotating tube, and the locking blocks are respectively vertically installed on a fixed rod located at the other end of the rotating tube. Two slots are respectively provided at one end of the rotating tube close to the locking block, and the angle between the two slots is 90 degrees, and the locking block is respectively located in one of the slots.

[0009] Furthermore, the fixing frame includes a top plate and a bottom plate that are horizontally arranged relative to each other and spaced apart, one end of the top plate and the bottom plate are connected by two vertically oppositely distributed connecting columns, the other end and the middle position of the top plate and the bottom plate are connected by connecting blocks, the supporting components are all located between the top plate and the bottom plate, the rotating plates are all parallel to the top plate or the bottom plate, and the ends of the rotating plates close to the connecting columns are vertically provided with through holes and are rotatably connected to the connecting columns through the through holes, and storage grooves that vertically penetrate the bottom plate and are used to accommodate side baffles are provided on both side surfaces of the bottom plate.

[0010] Furthermore, both sides of the base plate are fixedly connected with extension plates arranged parallel to the base plate. The two extension plates are located at one end of the base plate away from the connecting column, and each extension plate is provided with a sliding groove that vertically passes through the extension plate and is arranged parallel to the extension plate. The locking device is slidably connected to the extension plate through the sliding groove.

[0011] Furthermore, the locking devices all include vertically distributed locking rods, which respectively pass through the slide grooves and are slidably connected to the slide grooves, and the top ends of the locking rods are all equipped with locking heads, and the bottom ends of the locking rods are all rotatably connected to eccentric wheels, and the eccentric wheels are all equipped with handles.

[0012] Furthermore, one end of the rotating plate away from the connecting column is fixedly connected to a positioning plate that is horizontally distributed and perpendicular to the rotating plate. Both ends of the positioning plate extend outside the rotating plate, and the side of the positioning plate close to the locking rod is serrated.

[0013] Furthermore, the outer ends of the positioning plates are vertically provided with buckle grooves, and the inner ends of the positioning plates are fixedly connected with blocking bars arranged parallel to the rotating plates, and the blocking bars are located on the side of the positioning plates close to the locking rod.

[0014] Furthermore, the locking head is threadedly connected to the locking rod, and washers are sleeved on the locking rods on both sides of the extension plate.

[0015] Furthermore, each rotating plate has multiple through holes, and the multiple through holes are equidistantly distributed along the width direction of the rotating plate. The rotating plate is provided with a strip through hole vertically passing through the rotating plate at one end close to the connecting column. The strip through hole is parallel to the width direction of the rotating plate, and the strip through hole is respectively connected to each through hole.

[0016] By adopting the above technical solution, the beneficial effects of the utility model are:

[0017] When the present invention is in use, the fixing frame is horizontally mounted on the DSA bed, and the rotating plate is parallel to the length direction of the DSA bed. Then, when the patient lies flat on the DSA bed, the fixing frame is located below the patient, and the rotating connection end of the fixing frame and the rotating plate is flush with the patient's shoulder. Then, when the patient's upper limb is unfolded at a certain angle, the rotating plate can be rotated outward according to surgical requirements to adjust the angle between the rotating plate and the bed surface of the DSA bed. After the position of the rotating plate is adjusted, the locking device can be slid to a position so that the locking device is pressed against the rotating plate. Then, the locking device can be used to lock the position of the rotating plate. At this time, the rotating plate can support the patient's upper limb to improve the supporting effect of the patient's upper limb. Secondly, after adjusting the rotating plate, the side guards can be rotated to make the side guards perpendicular to the rotating plate. Then, the locking device can be used to lock the position of the side guards. At this time, the side guards can act as guardrails to block the patient's upper limbs, thereby preventing the patient's upper limbs from falling off the DSA bed and preventing the patient's upper limbs from being unfolded at too large an angle, thereby reducing the risk of the puncture catheter falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of a structure in which a top plate is not provided;

[0020] Figure 3 for Figure 1 Schematic diagram of the structure in the split state;

[0021] Figure 4 for Figure 3 The middle part is a schematic diagram of the structure of the device when viewed from above;

[0022] Figure 5 for Figure 3 Schematic diagram of the structure of the middle part of the device;

[0023] Figure 6 for Figure 5 Schematic diagram of the structure of the middle part of the device;

[0024] Figure 7 for Figure 5 Schematic diagram of the structure in use state;

[0025] Figure 8 This is one of the structural diagrams of some devices of the utility model in use;

[0026] Figure 9This is the second structural diagram of some devices of the utility model in use;

[0027] Figure 10 This is a schematic diagram of the structure of some devices of the present invention in a cross-sectional state;

[0028] Figure 11 for Figure 1 Schematic diagram of the structure when viewed from above.

[0029] Figure numerals: 1. Support assembly; 11. Rotating plate; 111. Through hole; 112. Strip through hole; 12. Side baffle; 13. Accommodating groove; 14. Fixing rod; 15. Rotating tube; 151. Card slot; 16. Arc-shaped connecting plate; 17. Positioning plate; 18. Buckle slot; 19. Blocking strip; 2. Fixing frame; 21. Top plate; 22. Bottom plate; 23. Connecting column; 24. Extension plate; 25. Slide groove; 26. Connecting block; 27. Storage groove; 3. Locking device; 31. Locking rod; 32. Locking head; 33. Eccentric wheel; 34. Handle; 35. Washer; 4. Locking device; 41. Spring; 42. Locking block. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

[0031] like Figures 1 to 11As shown, the utility model provides an upper limb auxiliary support device dedicated to a DSA bed, including a horizontally arranged fixed frame 2, two groups of support components 1 are arranged in the fixed frame 2, and the two groups of support components 1 are symmetrically distributed on both sides of the fixed frame 2, and each group of support components 1 includes a rotating plate 11 located in the fixed frame 2 and arranged parallel to the fixed frame 2, one end of the rotating plate 11 is rotatably connected to the fixed frame 2, that is, the rotating plate 11 can rotate relative to the fixed frame 2; the other end of the rotating plate 11 is provided with a locking device 3 that can lock the position of the rotating plate 11, and the locking device 3 is slidably connected to the fixed frame 2. Specifically, when in use, the fixed frame 2 is horizontally installed on the DSA bed, and the rotating plate 11 is parallel to the length of the DSA bed. Parallel to the direction, and then when the patient lies flat on the DSA bed, the fixing frame 2 is located below the patient, and the rotating connection end of the fixing frame 2 and the rotating plate 11 is flush with the patient's shoulder. At this time, a pad of appropriate thickness can be set on the bed surface of the DSA bed; then when the patient's upper limbs are unfolded at a certain angle, the rotating plate 11 can be rotated outward according to surgical requirements to adjust the angle between the rotating plate 11 and the bed surface of the DSA bed, and after adjusting the position of the rotating plate 11, the position of the locking device 3 can be slid to make the locking device 3 and the rotating plate 11 pressed tightly, and then the locking device 3 can be used to lock the position of the rotating plate 11. At this time, the patient's upper limbs can be supported by the rotating plate 11 to improve the supporting effect on the patient's upper limbs.

[0032] Secondly, the outer side of the rotating plate 11 is also hinged with a side guard 12. Specifically, in the initial state, the side guard 12 is located below the rotating plate 11 and is arranged parallel to the rotating plate 11. At this time, the side guard 12 is located inside the fixed frame 2; the hinged positions of the side guard 12 and the rotating plate 11 are installed with locking devices 4 for locking the position of the side guard 12. Specifically, during use, after adjusting the position of the rotating plate 11, the side guard 12 can be located outside the fixed frame 2, and then the side guard 12 can be rotated 270 degrees to make the side guard 12 perpendicular to the rotating plate 11. Then, the position of the side guard 12 can be locked by the locking device 4. At this time, the side guard 12 can act as a guardrail to block the patient's upper limbs, which can reduce the occurrence of patients falling out of bed and prevent the patient's upper limbs from falling off the DSA bed. At the same time, it can avoid the patient's upper limbs from being spread out at too large an angle, thereby reducing the risk of the puncture catheter falling off.

[0033] In addition, when the puncture of one side of the patient's upper limb fails, the other side of the patient's upper limb needs to be punctured, and the patient's upper limb on the opposite side also needs to be supported. Since the number of support components 1 of the present invention is two groups, the other group of support components 1 can be used to support the patient's upper limb on the opposite side, thereby facilitating the contralateral puncture; in addition, after the radial artery puncture of one side of the patient's upper limb, the patient's upper limb on the other side usually needs to establish an intravenous channel and measure blood pressure, which also requires the patient's upper limb on the other side to be spread out to a certain angle. Since the number of support components 1 of the present invention is two groups, it is convenient to provide auxiliary support to the patient's upper limbs on both sides at the same time.

[0034] The specific method of hinge connection between the side baffle 12 and the rotating plate 11 is as follows: Figures 2 to 9 with Figure 11 As shown, a receiving groove 13 vertically passing through the rotating plate 11 is provided on the outer surface of each rotating plate 11, and a fixing rod 14 is fixedly connected between the two oppositely arranged groove walls in each receiving groove 13. A rotatable rotating tube 15 is sleeved on the fixing rod 14, and the rotating tube 15 is connected to the side baffle 12 by an arc-shaped connecting plate 16, so that the side baffle 12 can rotate around the fixing rod 14, thereby converting the side baffle 12 between the horizontal state and the vertical state; and the locking devices 4 are respectively installed on the fixing rod 14. Specifically, the locking device 4 can lock the side baffle 12 in both the vertical state and the horizontal state.

[0035] The specific structure of the locking device 4 is as follows: Figure 2 、 Figure 4 、 Figures 6 to 9 and Figure 11As shown, the locking device 4 includes a spring 41 and a locking block 42. The spring 41 is respectively sleeved on the fixed rod 14 at one end of the rotating tube 15, and the two ends of the spring 41 are respectively in contact with the rotating tube 15 and the groove wall of the accommodating groove 13; the locking block 42 is respectively vertically installed on the fixed rod 14 at the other end of the rotating tube 15, and the end of the rotating tube 15 close to the locking block 42 is respectively provided with two card grooves 151, and the angle between the two card grooves 151 is 90 degrees, and the locking block 42 is respectively located in one of the card grooves 151. Specifically, in the initial state, when the side baffle 12 is located below the rotating plate 11 and is parallel to the rotating plate 11, When the side baffle 12 is in the horizontal position, the locking block 42 is located in one of the slots 151, and the other slot 151 is located on the inner side of the rotating tube 15. At this time, the locking device 4 can lock the side baffle 12 in the horizontal state; then, when the side baffle 12 needs to be rotated, the rotating tube 15 can be moved horizontally along the fixing rod 14 and the spring 41 can be compressed until the locking block 42 is disengaged from the slot 151. Then, the side baffle 12 can be rotated to the vertical state around the fixing rod 14. Then, when the side baffle 12 is released, the spring 41 rebounds and the locking block 42 is located in one of the slots 151, and the other slot 151 is located on the outer side of the rotating tube 15. Figure 7 As shown, at this time, the locking device 4 can lock the side guard plate 12 in the vertical state.

[0036] The specific structure of the fixing frame 2 is as follows: Figures 1 to 3 and Figures 8 to 11 As shown, the fixing frame 2 includes a top plate 21 and a bottom plate 22 that are horizontally arranged and spaced apart. One end of the top plate 21 and the bottom plate 22 are connected by two vertically oppositely distributed connecting columns 23, and the connecting columns 23 can be set as circular columns; the other ends and the middle positions of the top plate 21 and the bottom plate 22 are connected by connecting blocks 26, which can ensure the connection strength between the top plate 21 and the bottom plate 22; the supporting components 1 are all located between the top plate 21 and the bottom plate 22; and the specific method of the rotation connection between the rotating plate 11 and the fixing frame 2 is as follows: the rotating plate 11 is parallel to the top plate 21 or the bottom plate 22, and the rotating plate 11 is vertically provided with a through hole 111 at one end close to the connecting column 23 and is rotatably connected to the connecting column 23 through the through hole 111; in addition, both side surfaces of the bottom plate 22 are provided with a receiving groove 27 that vertically penetrates the bottom plate 22 and is used to accommodate the side baffle 12. Specifically, in the initial state, when the side baffle 12 is located below the rotating plate 11 and parallel to the rotating plate 11, the side baffle 12 can be located in the receiving groove 27; at this time, the thickness of the side baffle 12 can be set to be the same as the thickness of the bottom plate 22, so that the vertical distance between the top plate 21 and the bottom plate 22 is slightly larger than the thickness of the rotating plate 11.

[0037] The specific manner in which the locking device 3 is slidably connected to the fixing frame 2 is as follows: Figures 1 to 3 and Figures 8 to 11As shown, both sides of the base plate 22 are fixedly connected with extension plates 24 arranged parallel to the base plate 22. The two extension plates 24 are located at one end of the base plate 22 away from the connecting column 23, and each extension plate 24 is provided with a slide groove 25 vertically passing through the extension plate 24 and arranged parallel to the extension plate 24. The locking device 3 is slidably connected to the extension plate 24 through the slide groove 25. Specifically, when in use, after the fixing frame 2 is installed on the DSA bed, the extension plates 24 will be located outside the bed edge of the DSA bed, respectively. In this way, when in use, it is convenient to slide the locking device 3 so that the locking device 3 disengages from the rotating plate 11 or presses against the rotating plate 11.

[0038] The specific structure of the locking device 3 is as follows: Figures 1 to 3 and Figures 8 to 11 As shown, the locking devices 3 include vertically distributed locking rods 31, which respectively pass through the slide grooves 25 and are slidably connected to the slide grooves 25, and the tops of the locking rods 31 are each equipped with locking heads 32, and the bottom ends of the locking rods 31 are rotatably connected to eccentric wheels 33, and the eccentric wheels 33 are each equipped with handles 34. Specifically, in the initial state, the locking device 3 is Figure 10 When the handle 34 is rotated in the opposite direction, the convex part of the eccentric wheel 33 can be disengaged from the extension plate 24, and then the position of the locking device 3 can be moved horizontally along the slide groove 25, so that the locking head 32 can be disengaged from the rotating plate 11.

[0039] During use, when the end of the rotating plate 11 away from the connecting column 23 is rotated to be located outside the sliding groove 25, the locking device 3 will not be able to lock the position of the rotating plate 11. Figures 1 to 5 and Figures 7 to 9 As shown, the end of the rotating plate 11 away from the connecting column 23 is fixedly connected to a horizontally distributed positioning plate 17 perpendicular to the rotating plate 11, and both ends of the positioning plate 17 extend to the outside of the rotating plate 11. In this way, when in use, when the end of the rotating plate 11 away from the connecting column 23 is rotated to be located outside the slide groove 25, the locking device 3 can lock the position of the rotating plate 11 by locking the positioning plate 17, thereby expanding the scope of application; In addition, when the support assembly 1 is located in the fixed frame 2, that is, Figure 1As shown, the outer end of the positioning plate 17 is located outside the fixing frame 2, so that when in use, the support assembly 1 can be easily rotated outward; at this time, the locking device 3 can also be used to lock the positioning plate 17 to prevent the support assembly 1 from rotating outward, which is convenient for carrying; and the side of the positioning plate 17 close to the locking rod 31 is serrated, so that when the locking device 3 is in the locked state, the friction between the locking head 32 and the positioning plate 17 can be increased to ensure the locking effect.

[0040] Further, such as Figures 1 to 5 and Figures 7 to 9 As shown, the outer ends of the positioning plates 17 are vertically provided with buckle grooves 18. By providing the buckle grooves 18, when it is necessary to rotate the support assembly 1, the fingers can be inserted into the buckle grooves 18, which makes it easier to rotate the support assembly 1 outward; secondly, the inner ends of the positioning plates 17 are fixedly connected to blocking bars 19 arranged parallel to the rotating plate 11. The blocking bars 19 are located on the side of the positioning plate 17 close to the locking rod 31. Specifically, there is a certain distance between the blocking bar 19 and the connecting block 26 away from the end of the positioning plate 17. In this way, when in use, it can cooperate with the locking head 32 to limit the maximum angle that the rotating plate 11 can rotate outward; in addition, when not in use, even if the locking device 3 does not lock the positioning plate 17, the blocking bar 19 cooperates with the locking head 32 to prevent the end of the rotating plate 11 away from the connecting column 23 from being rotated to the outside of the fixed frame 2.

[0041] Furthermore, the locking head 32 is threadedly connected to the locking rod 31. Specifically, the locking rod 31 is a threaded rod, and the locking head 32 and the locking rod 31 are coaxially arranged, which makes it easy to disassemble the locking head 32 on the locking rod 31; secondly, as Figure 10 As shown, washers 35 are provided on the locking rods 31 on both sides of the extension plate 24. This can prevent the locking head 32 and the raised parts of the eccentric wheel 33 from directly wearing the extension plate 24 during use. In addition, since the locking head 32 and the locking rod 31 are threadedly connected, after removing the locking head 32, the locking rod 31 can be pulled out from under the extension plate 24 to facilitate replacement of the washers 35.

[0042] Since the body width of patients is different, that is, the shoulder width of patients is different, Figures 2 to 5 and Figures 7 to 9As shown, there are multiple through holes 111 on each rotating plate 11, and the multiple through holes 111 are evenly distributed along the width direction of the rotating plate 11. The end of the rotating plate 11 close to the connecting column 23 is provided with a strip through hole 112 that vertically penetrates the rotating plate 11. The strip through hole 112 is parallel to the width direction of the rotating plate 11, and the strip through hole 112 is respectively connected to each through hole 111. Specifically, the strip through holes 112 are respectively located on the outside of the multiple through holes 111, and the width of the strip through hole 112 is slightly larger than Regarding the diameter of the connecting column 23, when in use, when the position of the rotating plate 11 is moved, the connecting column 23 can be separated from the through hole 111 and located in the strip through hole 112. At this time, the position of the rotating plate 11 can be horizontally adjusted along the strip through hole 112 according to the patient's body width, until the rotating plate 11 is adjusted to a suitable position, and then the connecting column 23 is located in the adjacent through hole 111. In this way, the distance between the two rotating plates 11 can be adjusted according to usage requirements to adapt to patients with different body widths, and the scope of application is wider.

[0043] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An upper limb auxiliary support device for a DSA bed, comprising a horizontally arranged fixing frame, characterized in that: Two groups of support assemblies are provided in the fixing frame, and the two groups of support assemblies are symmetrically distributed on both sides of the fixing frame. Each group of support assemblies includes a rotating plate located in the fixing frame and arranged parallel to the fixing frame. One end of the rotating plate is respectively rotatably connected to the fixing frame, and the other end of the rotating plate is provided with a locking device capable of locking the position of the rotating plate. The locking device is slidably connected to the fixing frame. The outer sides of the rotating plates are hinged with side baffles, and the hinged positions of the side baffles and the rotating plates are equipped with locking devices for locking the positions of the side baffles.

2. The upper limb auxiliary support device for a DSA bed according to claim 1, characterized in that: A receiving groove that vertically penetrates the rotating plate is provided on the outer side surface of each rotating plate, and a fixing rod is fixedly connected between the two oppositely arranged groove walls in each receiving groove. A rotatable rotating tube is sleeved on the fixed rod, and the rotating tube is connected to the side baffle by an arc-shaped connecting plate, and the locking device is respectively installed on the fixed rod.

3. The upper limb auxiliary support device for a DSA bed according to claim 2, characterized in that: The locking devices each include a spring and a locking block. The spring is respectively mounted on a fixed rod located at one end of the rotating tube. The locking blocks are respectively vertically mounted on a fixed rod located at the other end of the rotating tube. Two slots are respectively provided at one end of the rotating tube close to the locking block, and the angle between the two slots is 90 degrees. The locking block is respectively located in one of the slots.

4. The upper limb auxiliary support device for a DSA bed according to claim 1, characterized in that: The fixing frame includes a top plate and a bottom plate that are horizontally arranged relative to each other and spaced apart. One end of the top plate and the bottom plate are connected by two vertically oppositely distributed connecting columns, and the other end and the middle position of the top plate and the bottom plate are connected by connecting blocks. The supporting components are all located between the top plate and the bottom plate, and the rotating plates are parallel to the top plate or the bottom plate, and the ends of the rotating plates close to the connecting columns are vertically provided with through holes and are rotatably connected to the connecting columns through the through holes. Storage grooves that vertically penetrate the bottom plate and are used to accommodate side baffles are provided on both side surfaces of the bottom plate.

5. The upper limb auxiliary support device for a DSA bed according to claim 4, characterized in that: Both sides of the base plate are fixedly connected with extension plates arranged parallel to the base plate. The two extension plates are located at one end of the base plate away from the connecting column, and each extension plate is provided with a sliding groove vertically passing through the extension plate and arranged parallel to the extension plate. The locking devices are slidably connected to the extension plates through the sliding grooves.

6. The upper limb auxiliary support device for a DSA bed according to claim 5, characterized in that: The locking devices all include vertically distributed locking rods, which respectively pass through the slide grooves and are slidably connected to the slide grooves. The top ends of the locking rods are all equipped with locking heads, and the bottom ends of the locking rods are all rotatably connected to eccentric wheels, and the eccentric wheels are all equipped with handles.

7. The upper limb auxiliary support device for a DSA bed according to claim 6, characterized in that: One end of the rotating plate away from the connecting column is fixedly connected to a horizontally distributed positioning plate perpendicular to the rotating plate. Both ends of the positioning plate extend outside the rotating plate, and the side of the positioning plate close to the locking rod is serrated.

8. The upper limb auxiliary support device for a DSA bed according to claim 7, characterized in that: The outer ends of the positioning plates are vertically provided with buckle grooves, and the inner ends of the positioning plates are fixedly connected with blocking bars arranged parallel to the rotating plates, and the blocking bars are located on a side of the positioning plates close to the locking rod.

9. The upper limb auxiliary support device for a DSA bed according to claim 6, characterized in that: The locking head is threadedly connected to the locking rod, and washers are sleeved on the locking rods on both sides of the extension plate.

10. The upper limb auxiliary support device for a DSA bed according to claim 4, characterized in that: There are multiple through holes on each rotating plate, and the multiple through holes are evenly distributed along the width direction of the rotating plate. A strip through hole is provided at one end of the rotating plate close to the connecting column, which vertically penetrates the rotating plate. The strip through hole is parallel to the width direction of the rotating plate, and the strip through hole is respectively connected to each through hole.

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