Arm adjusting device used in post-operation bed-in-bed state
By designing a postoperative bedridden arm adjustment device with a support frame, telescopic rod, casters, and electric push rod, the problems of limited space and instability of existing devices have been solved, achieving flexible use and stable support, thus improving patient comfort and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-31
AI Technical Summary
Existing arm-raising devices are limited by the space available when used in hospital beds, cannot accommodate patients of different body types, and provide unstable support, making them prone to displacement and affecting comfort and safety.
A postoperative arm adjustment device for use in bed rest is designed, comprising a support frame, telescopic rod, casters, electric push rod, and suction cup. Through the detachable adjustment components and support frame, the support or placement method can be selected as needed, and the electric push rod and suction cup can achieve stable fixation and flexible movement.
This allows for flexible use of the arm-raising device, adapting to different hospital beds and patient body shapes, enhancing stability and comfort, and avoiding secondary injuries.
Smart Images

Figure CN224056230U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical devices, and in particular to an arm adjustment device for use in a bedridden state after surgery. Background Technology
[0002] In clinical practice, after procedures such as percutaneous transluminal angioplasty (PTA) and arteriovenous fistula (AVF), patients need to lie in bed with their arms elevated to promote blood return and prevent postoperative complications. Traditional arm positioning typically involves using a pillow to elevate the arm. While this achieves arm elevation, it doesn't provide stable support, and the elevation height is uncertain, sometimes failing to meet postoperative requirements.
[0003] Existing technologies include various devices for supporting arm elevation, such as the arm elevation pad disclosed in utility model patent application number CN202121200805.2, the arm elevation device disclosed in utility model patent application number CN202420380337.9, and the adjustable arm elevation device provided in utility model patent application number CN202322970110.8. These devices can all raise the arm relatively stably, with the elevation effect improved and stability enhanced when supported by a pillow. However, most existing arm elevation devices can only be used on a bed, typically with the patient lying on one side of the bed and the arm elevation device placed on the other side. In reality, hospital beds are generally quite narrow, only wide enough for one person to lie flat. Adding an arm raiser would make the space feel cramped, and for larger patients, it might even be impossible to fit the arm raiser. In such cases, additional tools are needed to support the arm raiser, usually a stool or small table placed under it. This is quite cumbersome. Furthermore, the height of the stool or table support is generally not adjustable, meaning the bottom of the arm raiser cannot be flush with the bed, significantly impacting the comfort of arm raising. In addition, the bottom of the stool or table used for support is not fixed, making it susceptible to displacement due to external forces, potentially causing secondary injury to the patient. Utility Model Content
[0004] In view of the above, it is necessary to provide an arm adjustment device for postoperative bed rest. This device can choose to raise the patient's arm by supporting the adjustment component with a support frame or by placing the adjustment component directly on the bed to raise the patient's arm, depending on the actual situation. It also facilitates the movement or fixation of the adjustment component in a certain position.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an arm adjustment device for postoperative bed rest, comprising an adjustment component for adjusting the arm elevation height, and a support frame. The support frame includes a support base and a telescopic rod. The fixed end of the telescopic rod is vertically installed on the top of the support base, and the telescopic end of the telescopic rod is detachably mounted with the adjustment component. A universal wheel, an electric push rod, and a suction cup are installed at the bottom of the support base. The fixed end of the electric push rod is vertically installed at the bottom of the support base, and the suction cup is installed at its telescopic end. The bottom of the suction cup is located below or above the bottom of the universal wheel by the action of the electric push rod.
[0006] Furthermore, the telescopic end of the telescopic rod has a mounting block, and the top and side surfaces of the mounting block are provided with connecting parts I; the adjustment assembly includes a base plate, a lifting plate, and a fixing device, the bottom of the base plate is provided with a connecting part II that matches the connecting part I, and the base plate is detachably connected to the mounting block through the connection of the connecting part II and the connecting part I; one end of the base plate in the length direction is rotatably connected to the lifting plate, and its rotation axis is parallel to the width direction of the base plate; the fixing device is used to fix the angle of rotation of the lifting plate relative to the base plate.
[0007] Furthermore, a screw is provided on the substrate. When the substrate is detachably connected to the mounting block through the connection of the connecting part II and the connecting part I, the screw is threaded through the connecting part II and the connecting part I in sequence.
[0008] Furthermore, the fixing device includes a fixing groove and a fixing rod. Multiple fixing grooves are provided, and the multiple fixing grooves are spaced apart on the top of the substrate along the length direction of the substrate. One end of the fixing rod is rotatably connected to the bottom of the lifting plate, and its rotation axis is parallel to the rotation axis of the lifting plate and the substrate. The other end of the fixing rod is detachably snapped into any of the fixing grooves.
[0009] Furthermore, the fixing rod is slidably connected to the lifting plate, and the sliding direction is the length direction of the lifting plate. The fixing rod has a locking element for locking the fixing rod at a certain position on the lifting plate.
[0010] Furthermore, the raised plate has sliding grooves on both sides in the width direction, the fixing rod has a U-shaped structure, and the locking element is installed on both vertical sides of the U-shape of the fixing rod; the locking element includes a sliding rod and a locking nut, one end of the sliding rod is vertically connected to the vertical side of the U-shape of the fixing rod, and the other end movably passes through the sliding groove and is located on opposite sides of the sliding groove with the fixing rod; the locking nut is threaded to the other end of the sliding rod.
[0011] Furthermore, when the surface of the lifting plate is parallel to the surface of the substrate through rotation relative to the substrate, the substrate is located within the U-shaped structure of the fixing rod, and the transverse side of the U-shape of the fixing rod abuts against the bottom surface of the substrate by rotation.
[0012] Furthermore, the telescopic rod is rotatably mounted on the support base, with the axis of rotation parallel to the telescopic rod's extension and retraction direction, and a locking device is installed on the fixed end of the telescopic rod to prevent relative rotation of the telescopic rod.
[0013] Furthermore, a counterweight is slidably disposed on the support base, and its sliding direction is the length direction of the support base.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] 1. This utility model includes a universal wheel, an electric push rod, and a suction cup installed at the bottom of a support base. The universal wheel facilitates the movement of the adjustment assembly to a designated position. The electric push rod positions the suction cup below or above the bottom of the universal wheel. When the electric push rod is extended, the bottom of the suction cup is below the bottom of the universal wheel, and the suction force of the suction cup fixes the device in a fixed position, preventing arbitrary movement. When the electric push rod is retracted, the suction surface of the suction cup moves away from the support surface of the universal wheel and closer to the support base, releasing the suction force and allowing the device to be moved.
[0016] 2. By setting up a detachable support frame and adjustment components, this utility model can choose to raise the patient's arm by only supporting the adjustment components with the support frame, or directly place the adjustment components on the bed to raise the patient's arm, depending on the actual situation, such as the ward space, the size of the bed, and the needs of the client. This makes the usage more flexible.
[0017] 3. This utility model, by setting a connecting block on the telescopic rod, connects the base plate to the top or side of the connecting block. This allows the adjustment component to be used directly on the support frame, or the adjustment component to be folded and stored on the support frame, facilitating the movement of the adjustment component and reducing storage space. Moreover, the telescopic rod is rotatably mounted on the support base via a rotating platform, allowing for adjustment of the arm's opening angle, enhancing patient comfort. In addition, this utility model includes a fixing rod that can slide along the length of the lifting plate. This fixing rod can adjust the angle between the lifting plate and the base plate by cooperating with the fixing groove, and can also abut against the bottom surface of the base plate during storage, preventing the unconnected end of the lifting plate and the base plate from automatically separating. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the adjustment component of this utility model when used on a support frame.
[0019] Figure 2 This is a front view of the adjustment component of this utility model when used on the support frame.
[0020] Figure 3 This is a three-dimensional structural diagram of the adjustment component of this utility model housed on the support frame.
[0021] Figure 4 This is a front view of the adjustment component of this utility model housed on the support frame.
[0022] Figure 5 This is a top view of the adjusting component of this utility model when the adjusting arm is rotated to open the angle.
[0023] Figure 6 This is a three-dimensional structural diagram of the adjustment component of this utility model when used alone.
[0024] Explanation of main component symbols
[0025] In the figure: 1-Adjustment component, 11-Base plate, 111-Connecting part II, 112-Screw,
[0026] 12-Raising plate, 121-Restraint strap, 122-Female buckle, 123-Slide groove,
[0027] 13-Fixing device, 131-Fixing groove, 132-Fixing rod, 133-Locking component, 1331-Sliding rod, 1332-Locking nut
[0028] 2-Support frame, 21-Support base,
[0029] 22-Telescopic pole, 221-Mounting block, 2211-Connecting part I,
[0030] 23-Rotating table, 231-Locking component, 2311-Locking block, 2312-Locking rod,
[0031] 24-Counterweight, 25-Wheel caster, 26-Electric push rod, 27-Suction cup.
[0032] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation
[0033] Please see Figures 1-6In a preferred embodiment of this invention, an arm adjustment device for postoperative bed rest includes an adjustment component 1 for adjusting the arm elevation height. In this embodiment, the adjustment component 1 includes a base plate 11, an elevation plate 12, and a fixing device 13. One end of the base plate 11 is rotatably connected to the elevation plate 12 along its length, with the rotation direction being the width direction of the base plate 11. The fixing device 13 is used to fix the angle of rotation of the elevation plate 12 relative to the base plate 11. When it is necessary to elevate the patient's arm, the arm is placed on the elevation plate 12, and then the angle between the elevation plate 12 and the base plate 11 is adjusted by rotating the elevation plate 12 and the base plate 11 until the arm is raised to the specified height. Then, the fixing device 13 is used to fix the angle between the elevation plate 12 and the base plate 11, thus stably elevating the arm. Additionally, several restraint straps 121 are detachably installed on the elevation plate 12, and these restraint straps 121 are spaced apart along the length of the elevation plate 12. The restraint strap 121 is detachably connected to the elevation plate 12 via a snap fastener 122. One end of the restraint strap 121 is provided with a set of female snaps, and one side of the elevation plate 12 in the width direction is provided with a female snap 122 that matches the female snaps. A set of female snaps includes at least two female snaps, which are arranged along the width direction of the restraint strap 121. The number of female snaps 122 is greater than the number of female snaps in a set, and the interval between any two female snaps 122 is the same as the interval between any two female snaps. The number of restraints and the position of the restraint strap 121 can be selected and adjusted as needed. The end of the restraint strap 121 without female snaps is a free end, which is detachably connected to the strap body of the restraint strap 121 via Velcro. The restraint strap 121 is used to fix the patient's arm and / or hand to the elevation plate 12.
[0034] Preferably, the fixing device 13 includes a fixing groove 131 and a fixing rod 132. Multiple fixing grooves 131 are provided, spaced apart along the length of the base plate 11 on its top. One end of the fixing rod 132 is rotatably connected to the bottom of the lifting plate 12, with its rotation axis parallel to the rotation axes of the lifting plate 12 and the base plate 11. The other end of the fixing rod 132 is detachably engaged in any of the fixing grooves 131. The fixing rod 132 and the fixing grooves 131 cooperate, allowing adjustment of the angle between the lifting plate 12 and the base plate 11 by installing the fixing rod 132 in different fixing grooves 131, facilitating the stable elevation of the patient's arm to a certain height as needed. More preferably, the fixing rod 132 is slidably connected to the lifting plate 12, sliding in the length direction of the lifting plate 12. The fixing rod 132 has a locking member 133 for locking the fixing rod 132 in a certain position on the lifting plate 12. The sliding position of the fixing rod 132 on the lifting plate 12 can be adjusted by sliding to make the angle between the fixing rod 132 and the lifting plate 12 approach 90 degrees, so that the support of the fixing rod 132 on the lifting plate 12 is more stable.
[0035] In this embodiment, the fixing rod 132 is slidably connected to the lifting plate 12 in the following manner: Slide grooves 123 are provided on both sides of the lifting plate 12 in the width direction; the fixing rod 132 has a U-shaped structure; locking members 133 are installed on both vertical sides of the U-shape of the fixing rod 132; the locking member 133 includes a sliding rod 1331 and a locking nut 1332; one end of the sliding rod 1331 is vertically connected to the vertical side of the U-shape of the fixing rod 132, and the other end movably passes through the slide groove 123, and is located on opposite sides of the slide groove 123 with the fixing rod 132; the other end of the sliding rod 1331 is threaded with a locking nut 1332. The locking nut 1332 is described above; the slide rod 1331 is slidably connected to the slide groove 123, and the fixed rod 132 is slidably connected to the lifting plate 12 by means of the slide rod 1331 slidably connecting to the slide groove 123. As needed, the slide rod 1331 can slide on the slide groove 123, thereby driving the fixed rod 132 to move to a certain position. Then, the locking nut 1332 is rotated to abut against the groove wall of the slide groove 123 by means of the fixed rod 132 and the locking nut 1332 clamping the groove wall of the slide groove 123, so that the slide rod 1331 cannot slide along the slide groove 123, thereby fixing the fixed rod 132 in the position that needs to be fixed.
[0036] Furthermore, the present invention also includes a support frame 2, which includes a support base 21 and a telescopic rod 22. The fixed end of the telescopic rod 22 is vertically installed on the top of the support base 21, and the telescopic end of the telescopic rod 22 is equipped with the adjustment component 1. The height of the adjustment component 1 can be adjusted by the telescopic rod 22 to make it flush with the bed board, thereby enhancing the comfort of the arm that needs to be raised.
[0037] Preferably, the telescopic end of the telescopic rod 22 has a mounting block 221, and the top and side surfaces of the mounting block 221 are provided with connecting portions I 2211; the bottom of the base plate 11 is provided with a connecting portion II 111 that matches the connecting portion I 2211. The base plate 11 is detachably connected to the mounting block 221 through the connection of the connecting portion II 111 and the connecting portion I 2211. When it is necessary to raise the patient's arm, the base plate 11 is connected to the connecting portion I 2211 on the top surface of the mounting block 221 through the connecting portion II 111. At this time, the plate surface of the base plate 11 is perpendicular to the height direction of the support frame 2. When it is not necessary to raise the patient's arm, the base plate 11 can be removed from the top of the mounting block 221, and then the base plate 11 is connected to the connecting portion I 2211 on the side surface of the mounting block 221 through the connecting portion II 111. At this time, the plate surface of the base plate 11 is parallel to the height direction of the support frame 2, which facilitates the storage of the adjustment component 1 and reduces the space occupied. Specifically, the connecting part I 2211 is a protrusion structure, and the connecting part II 111 is a groove structure. This allows for flexibility in choosing between using the support frame 2 to support the adjustment component 1 to elevate the patient's arm, or directly placing the adjustment component 1 on the bed to elevate the patient's arm, depending on the actual situation, such as ward space, bed size, and client needs. Preferably, the base plate 11 is provided with a screw 112. When the base plate 11 is detachably connected to the mounting block 221 via the connection between the connecting part II 111 and the connecting part I 2211, the screw 112 is threaded through the connecting part II 111 and the connecting part I 2211 in sequence. The threaded connection of the screw 112 prevents the base plate 11 and the mounting block 221 from automatically separating.
[0038] More preferably, when the adjustment component 1 needs to be stored, the surface of the lifting plate 12 can be made parallel to the surface of the base plate 11 by rotating relative to the base plate 11. At this time, the top surface of the base plate 11 and the bottom surface of the lifting plate 12 are directly opposite each other. In order to prevent the unconnected ends of the lifting plate 12 and the base plate 11 from automatically separating, when the surface of the lifting plate 12 is parallel to the surface of the base plate 11 by rotating relative to the base plate 11, the base plate 11 is located within the U-shaped structure of the fixing rod 132, and the U-shaped horizontal edge of the fixing rod 132 abuts against the bottom surface of the base plate 11 by rotating. The fixing rod 132 keeps the top surface of the base plate 11 and the bottom surface of the lifting plate 12 directly opposite each other, making it easier to store. In this embodiment, a counterweight 24 is slidably provided on the support base 21, and its sliding direction is the length direction of the support base 21. The position of the counterweight 24 can be moved according to the change of the center of gravity of the device, which can maintain the balance of the device well and prevent the device from tipping over during use or movement.
[0039] Furthermore, the bottom of the support base 21 is equipped with casters 25, an electric push rod 26, and a suction cup 27. The fixed end of the electric push rod 26 is vertically installed at the bottom of the support base 21, and the extension end is equipped with the suction cup 27. The bottom of the suction cup 27 is positioned below or above the bottom of the casters 25 by the action of the electric push rod 26. By installing the casters 25, the device can be easily moved to a designated position. After moving to the designated position, the electric push rod 26 can be adjusted so that when the electric push rod 26 is in the extended state, the bottom of the suction cup 27 is located below the bottom of the casters 25. The suction force of the suction cup 27 fixes the device in a certain position, preventing it from moving randomly. When it is necessary to move the device, the electric push rod 26 is adjusted to be in the retracted state. At this time, the bottom of the suction cup 27 is located above the bottom of the casters 25, releasing the suction force of the suction cup 27. Preferably, the telescopic rod 22 is rotatably mounted on the support base 21, with the axis of rotation parallel to the telescopic direction of the telescopic rod 22. A locking element 231 to prevent relative rotation of the telescopic rod 22 is installed on the fixed end of the telescopic rod 22. When the patient raises their arm, the arm remains at the same open angle, which can easily lead to fatigue. When the patient needs to adjust the open angle of their arm, the rotation of the telescopic rod 22 relative to the support base 21 allows the adjustment component 1 to rotate and adjust the arm's open angle, enhancing patient comfort. This eliminates the need to adjust the position of the entire device, making it more convenient to use. Specifically, the telescopic rod 22 is rotatably mounted on the support base 21 via a rotating platform 23. The rotating platform 23 can be a commercially available product, either manual or electric. If an electric rotating platform 23 is used, the locking component 231 can directly use the locking structure that comes with the electric rotating platform 23. If a manual rotating platform 23 is used, the locking component 231 can be installed in the manner shown in this embodiment to prevent the telescopic rod 22 from rotating relative to the support base 21. Specifically, the locking component 231 includes a locking block 2311 and a locking mechanism. The locking block 2311 has a rod 2312, one end of which is connected to the telescopic rod 22 along its length, and the other end is threaded with the locking rod 2312. The locking rod 2311 abuts against or moves away from the top surface of the support base 21 under the action of the threaded connection. When it is necessary to prevent the telescopic rod 22 from rotating relative to it, the locking rod 2312 is rotated to abut against the top surface of the support base 21, at which time the telescopic rod 22 cannot easily rotate relative to the support base 21. When it is necessary to rotate the telescopic rod 22, the locking rod 2312 is simply rotated in the opposite direction to move away from the top surface of the support base 21.
[0040] The above description is a detailed description of the preferred embodiments of the present utility model. However, the embodiments are not intended to limit the scope of the patent application of the present utility model. All equivalent changes or modifications made under the technical spirit of the present utility model should fall within the patent scope covered by the present utility model.
Claims
1. A postoperative bedridden state arm adjusting device comprising an adjusting assembly for adjusting an arm lifting height, characterized by: The support frame comprises a support base and a telescopic rod, the fixed end of the telescopic rod is vertically installed on the top of the support base, and the telescopic end of the telescopic rod is detachably installed with the adjusting assembly; the bottom of the support base is installed with a universal wheel, an electric push rod and a suction cup, the fixed end of the electric push rod is vertically installed on the bottom of the support base, and the telescopic end of the electric push rod is installed with the suction cup; the bottom of the suction cup is located below or above the bottom of the universal wheel through the action of the electric push rod.
2. The arm adjustment device of claim 1, wherein: The telescopic end of the telescopic rod is provided with a mounting block, the top surface and the side surface of the mounting block are provided with a connecting part I; the adjusting assembly comprises a base plate, a lifting plate and a fixing device, the bottom of the base plate is provided with a connecting part II matched with the connecting part I, and the base plate is detachably connected with the mounting block through the connection of the connecting part II and the connecting part I; one end of the base plate in the length direction is rotationally connected with the lifting plate, and the rotation axis is parallel to the width direction of the base plate; the fixing device is used for fixing the angle of the lifting plate relative to the base plate.
3. The arm adjustment device of claim 2, wherein: A screw rod is arranged on the base plate, and when the base plate is detachably connected with the mounting block through the connection of the connecting part II and the connecting part I, the screw rod is sequentially threaded through the connecting part II and the connecting part I.
4. The arm adjustment device of claim 2, wherein: The fixing device comprises a fixing groove and a fixing rod, a plurality of fixing grooves are arranged on the top of the base plate along the length direction of the base plate, and one end of the fixing rod is rotationally connected with the bottom of the lifting plate, and the rotation axis is parallel to the rotation axis of the lifting plate and the base plate; the other end of the fixing rod is detachably clamped in any fixing groove.
5. The arm adjustment device of claim 4, wherein: The fixing rod is slidably connected with the lifting plate, and the sliding direction is the length direction of the lifting plate; the fixing rod is provided with a locking piece for locking the fixing rod at a certain position of the lifting plate.
6. The arm adjustment device of claim 5, wherein: Both sides of the lifting plate in the width direction are provided with a sliding groove, the fixing rod has a U-shaped structure, and the locking piece is arranged on the two U-shaped vertical edges of the fixing rod; the locking piece comprises a sliding rod and a locking nut, one end of the sliding rod is vertically connected with the U-shaped vertical edge of the fixing rod, the other end of the sliding rod is movably threaded through the sliding groove, and the fixing rod is located on the opposite sides of the sliding groove; the other end of the sliding rod is threadedly connected with the locking nut.
7. The arm adjustment device according to claim 6, characterized in that: When the plate surface of the lifting plate is parallel to the plate surface of the base plate through the rotation of the base plate, the base plate is located in the U-shaped structure of the fixing rod, and the U-shaped horizontal edge of the fixing rod abuts against the bottom surface of the base plate through rotation.
8. The arm adjustment device of claim 1, wherein: The telescopic rod is rotationally installed on the support base, and the rotation axis is parallel to the telescopic direction of the telescopic rod; the fixed end of the telescopic rod is installed with a locking piece for preventing the relative rotation of the telescopic rod.
9. The arm adjustment device of claim 1, wherein: A counterweight is slidably arranged on the support base, and the sliding direction is the length direction of the support base.
Citation Information
Patent Citations
Upper limb arm lifting pad
CN214909638U
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CN221266524U
Arm lifting device
CN222383599U