Adjustable arm supporting and limiting device for hemodialysis

Abstract

An adjustable arm bearing and limiting device for hemodialysis comprises a concave block used for clamping and a plurality of threaded columns rotationally connected to the bottom end of the concave block, and further comprises a pressing disc, a rotating knob, a lifting assembly and an adjusting hole, the lifting assembly is arranged at the top end of the concave block, a supporting column is installed on the lifting assembly, and the adjusting hole is formed in the supporting column. An arc-shaped plate is installed at the top end of the supporting column through a rotating shaft, two arc-shaped blocks are symmetrically fixed to the bottom end of the arc-shaped plate, the arc-shaped blocks are fixedly connected with the supporting column through fastening bolts, and a plurality of adjusting holes are formed in the arc-shaped blocks; the lifting assembly comprises a shell, a guide hole and a rotating handle, the shell is fixed to the top end of the concave block, a lead screw is installed in the middle of the shell, guide columns are symmetrically fixed to the two sides of the lead screw, and lifting blocks are arranged on the lead screw and the guide columns. Meanwhile, the height and the angle can be adjusted, and the applicability is high.

Description

Technical Field

[0001] The utility model relates to an arm supporting and limiting device, in particular to an adjustable arm supporting and limiting device for hemodialysis. Background Art

[0002] Hemodialysis is a common alternative treatment for renal function. During dialysis, the patient's arms need to be restrained so that the patient's venous access can be kept open for a long time to ensure that the blood can circulate and purify smoothly. In order to prevent improper arm posture from causing damage to blood vessels or reduced blood flow, which would affect the dialysis effect, medical staff usually use pillows and cushions to help patients adjust their arm posture. However, these methods cannot effectively restrain the patient's arms, the patient's arms are easily displaced, and it is difficult to make fine adjustments during dialysis, and they cannot effectively adapt to the different needs that may arise in patients during long-term dialysis. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an adjustable arm support and limit device for hemodialysis, which effectively solves the problems mentioned in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model includes a concave block for clamping and a plurality of threaded columns screwed on the bottom end of the concave block, and also includes a clamping plate, a rotating knob, a lifting assembly, a support column, a rotating shaft, an arc plate, a binding belt, an arc block, a fastening bolt and an adjustment hole. The top of the concave block is provided with a lifting assembly, a support column is installed on the lifting assembly, an arc plate is installed on the top of the support column through the rotating shaft, two arc blocks are symmetrically fixed to the bottom end of the arc plate, the arc block is fixedly connected to the support column through the fastening bolt, and a plurality of adjustment holes are opened on the arc block;

[0005] The lifting assembly includes a shell, a screw, a guide column, a lifting block, a wire hole, a guide hole and a rotating handle. The shell is fixed at the top of the concave block, a screw is installed in the middle of the shell, guide columns are symmetrically fixed on both sides of the screw, lifting blocks are arranged on the screw and the guide columns, a wire hole is opened at the position of the lifting block corresponding to the screw, and a rotating handle is arranged at the top of the screw.

[0006] Preferably, a compression plate is fixed to the top end of the threaded column, and a rotating knob is provided at the bottom end of the threaded column.

[0007] Preferably, a plurality of straps for fixing the arms are provided on both sides of the top end of the arc-shaped plate.

[0008] Preferably, the support column is provided with a threaded hole at a position corresponding to the fastening bolt.

[0009] Preferably, a guide hole is provided on the lifting block at a position corresponding to the guide column.

[0010] Preferably, the support column is fixed to the outer end of the lifting block.

[0011] Beneficial effect: When the utility model is used, the concave block is clamped at the edge of the bed. After the clamping is completed, the rotating knob is turned, and the rotating knob drives the threaded column to rotate. The threaded column rotates and pushes the compression plate to press on the bed to complete the fixation. When in use, the patient's arm is placed in the arc plate and fixed by the strap. When the height needs to be adjusted, the rotating handle is turned, and the rotation of the rotating handle drives the screw rod to rotate. The screw rod rotates with the cooperation of the screw hole opened on the lifting block, so that the lifting block moves on the screw rod. The movement of the lifting block drives the support column and the arc plate to move up and down, and the height adjustment of the arc plate can be completed. When the angle of the arc plate needs to be adjusted, the fastening bolt is unscrewed, and the arc plate can be rotated with the cooperation of the rotating shaft to adjust the angle of the arc plate. After adjusting to the appropriate angle, the fastening bolt is passed through the corresponding adjustment hole and screwed on the support column to complete the adjustment of the use angle of the arc plate, and the applicability is strong. The utility model has a novel structure and a clever design. It is convenient for limiting and fixing the patient's arm, and the height and angle can be adjusted at the same time, and the applicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the lifting assembly of the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the lifting block of the utility model;

[0016] Numbers in the figure: 1. concave block; 2. threaded column; 3. clamping plate; 4. turning knob; 5. lifting assembly; 6. supporting column; 7. rotating shaft; 8. arc plate; 9. binding strap; 10. arc block; 11. fastening bolt; 12. adjusting hole; 13. housing; 14. screw rod; 15. guide column; 16. lifting block; 17. thread hole; 18. guide hole; 19. turning handle. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-3 The specific implementation modes of the present utility model are further described in detail.

[0018] Embodiment 1, by Figure 1-3The utility model provides an adjustable arm support and limit device for hemodialysis, comprising a concave block 1 for clamping and a plurality of threaded columns 2 screwed to the bottom end of the concave block 1, a clamping plate 3, a rotating knob 4, a lifting assembly 5, a support column 6, a rotating shaft 7, an arc plate 8, a binding strap 9, an arc block 10, a fastening bolt 11 and an adjustment hole 12. The top of the concave block 1 is provided with a lifting assembly 5, the support column 6 is mounted on the lifting assembly 5, the top of the support column 6 is mounted with an arc plate 8 through the rotating shaft 7, two arc blocks 10 are symmetrically fixed to the bottom end of the arc plate 8, the arc block 10 is fixedly connected to the support column 6 through the fastening bolts 11, and a plurality of adjustment holes 12 are opened on the arc block 10;

[0019] The lifting assembly 5 includes a shell 13, a screw rod 14, a guide column 15, a lifting block 16, a threaded hole 17, a guide hole 18 and a rotating handle 19. The shell 13 is fixed to the top of the concave block 1, the screw rod 14 is installed in the middle of the shell 13, the guide columns 15 are symmetrically fixed on both sides of the screw rod 14, the lifting block 16 is arranged on the screw rod 14 and the guide column 15, the lifting block 16 is provided with a threaded hole 17 at the position corresponding to the screw rod 14, and the rotating handle 19 is arranged at the top of the screw rod 14.

[0020] A clamping plate 3 is fixed to the top end of the threaded column 2 , and a rotating knob 4 is provided at the bottom end of the threaded column 2 , so as to facilitate fixing by the clamping plate 3 .

[0021] A plurality of arm fixing straps 9 are provided on both sides of the top of the arc-shaped plate 8, so as to fix the patient's arms on the arc-shaped plate 8 for limiting the position.

[0022] The support column 6 is provided with a threaded hole at a position corresponding to the fastening bolt 11 , so as to facilitate the screwing and fixing of the fastening bolt 11 .

[0023] A guide hole 18 is provided at a position of the lifting block 16 corresponding to the guide column 15 to improve the stability of the lifting block 16 when it is lifted or lowered.

[0024] The support column 6 is fixed to the outer end of the lifting block 16 for convenient coordination and fixation.

[0025] When the patient's arm is in use, the patient's arm is placed in the arc plate 8 and fixed by the strap 9. When the height needs to be adjusted, the handle 19 is turned, and the handle 19 drives the screw rod 14 to rotate. The screw rod 14 rotates and cooperates with the screw hole 17 opened on the lifting block 16 to make the lifting block 16 move on the screw rod 14. The lifting block 16 moves and drives the support column 6 and the arc plate 8 to rise and fall, and the height adjustment of the arc plate 8 can be completed. When the angle of the arc plate 8 needs to be adjusted, the fastening bolt 11 is unscrewed, and the arc plate 8 can be rotated with the cooperation of the rotating shaft 7 to adjust the angle of the arc plate 8. After adjusting to the appropriate angle, the fastening bolt 11 is passed through the corresponding adjusting hole 12 and screwed on the support column 6 to complete the adjustment of the use angle of the arc plate 8, which has strong applicability.

[0026] Beneficial effects: The utility model has a novel structure and an ingenious design, is convenient for limiting and fixing the patient's arm, and can adjust the height and angle at the same time, and has strong applicability.

[0027] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable hemodialysis arm support and limit device, comprising a concave block (1) for clamping and a plurality of threaded columns (2) screwed to the bottom end of the concave block (1), characterized in that: It also includes a pressing plate (3), a rotating knob (4), a lifting component (5), a support column (6), a rotating shaft (7), a curved plate (8), a binding belt (9), a curved block (10), a fastening bolt (11) and an adjustment hole (12), wherein the top of the concave block (1) is provided with a lifting component (5), a support column (6) is mounted on the lifting component (5), the top of the support column (6) is mounted with a curved plate (8) via the rotating shaft (7), two curved blocks (10) are symmetrically fixed to the bottom of the curved plate (8), the curved block (10) is fixedly connected to the support column (6) via the fastening bolt (11), and a plurality of adjustment holes (12) are opened on the curved block (10); The lifting assembly (5) comprises a housing (13), a screw rod (14), a guide column (15), a lifting block (16), a threaded hole (17), a guide hole (18) and a rotating handle (19). The housing (13) is fixed to the top of the concave block (1). A screw rod (14) is installed in the middle of the housing (13). Guide columns (15) are symmetrically fixed on both sides of the screw rod (14). The lifting block (16) is arranged on the screw rod (14) and the guide column (15). The lifting block (16) is provided with a threaded hole (17) at a position corresponding to the screw rod (14). The top of the screw rod (14) is provided with a rotating handle (19).

2. The adjustable hemodialysis arm support and limit device according to claim 1, characterized in that: A pressing plate (3) is fixed to the top end of the threaded column (2), and a rotating knob (4) is provided at the bottom end of the threaded column (2).

3. The adjustable hemodialysis arm support and limit device according to claim 1, characterized in that: A plurality of straps (9) for fixing the arms are provided on both sides of the top end of the arc-shaped plate (8).

4. The adjustable hemodialysis arm support and limit device according to claim 1, characterized in that: The support column (6) is provided with a threaded hole at a position corresponding to the fastening bolt (11).

5. The adjustable hemodialysis arm support and limit device according to claim 1, characterized in that: The lifting block (16) is provided with a guide hole (18) at a position corresponding to the guide column (15).

6. The adjustable hemodialysis arm support and limit device according to claim 1, characterized in that: The support column (6) is fixed to the outer end of the lifting block (16).

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