Infusion arm supporting device
By designing an infusion arm support device, which utilizes components such as threaded rods and rubber pads, the problem of fatigue and slippage caused by the arm not fitting properly during infusion is solved, providing stable and comfortable support to ensure smooth infusion and patient safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AFFILIATED ZHONGSHAN HOSPITAL OF DALIAN UNIV
- Filing Date
- 2025-02-10
- Publication Date
- 2026-05-15
AI Technical Summary
During intravenous infusion, the patient's arm cannot be in contact with the support for a long time, which leads to fatigue. When the patient is not concentrating, the arm is prone to slipping, which can cause the scalp vein needle to fall out or shift, resulting in injury to the patient.
An infusion arm support device was designed, including a base fixing device and a support device. Utilizing components such as threaded rods, gear rods, rubber pads, and support plates, the device adapts to different arm sizes and provides stable and comfortable support by adjusting the deformation of the rubber pads and the support of the support plate.
It provides stable support for the patient's arm during infusion, avoids fatigue, prevents slippage, ensures smooth infusion, and reduces the risk of injury to the patient.
Smart Images
Figure CN224235865U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and in particular to an infusion arm support device. Background Technology
[0002] Intravenous infusion, also known as intravenous drip, is a common medical treatment. It involves directly injecting sterile fluid into a vein. It mainly utilizes the physical principle of hydrostatic pressure. Through an infusion device, the fluid enters the vein under the action of gravity or pressure, thereby achieving the purpose of replenishing water and electrolytes, correcting acid-base imbalances, or administering medications for treatment.
[0003] Currently, during intravenous infusion, patients' arms are usually placed on the armrests of chairs. However, due to the different heights and curvatures of various armrests, patients' arms cannot be properly positioned. When there is nowhere to place their arms for a long time, their arms are prone to fatigue. When patients are not concentrating, their arms are prone to slipping, which can easily lead to the scalp vein needle falling out or shifting, causing injury to the patient. Utility Model Content
[0004] This invention provides an infusion arm support device, which solves the problem that when patients' arms are not properly supported for a long time during infusion, their arms easily become fatigued, and when their attention is not focused, their arms are prone to slipping, causing the infusion needle to fall out or shift and cause injury to the patient.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] An infusion arm support device includes: a base fixing device and a support device; the base fixing device consists of a base frame and a mounting bracket; the bottom center of the base frame is connected to the top of the mounting bracket; a threaded rod is connected through the bottom of the mounting bracket; a pressure plate is rotatably connected to the top of the threaded rod; several gear rods are provided inside the base frame; springs are sleeved through the gear rods; the top of the springs is connected to the bottom surface of a rectangular box; a lead screw is provided on one side of the rectangular box;
[0007] The support device consists of an arc-shaped plate, a rubber pad, and a support plate; the top surface of the gear rod is connected to the arc-shaped plate; the top surface of the arc-shaped plate is provided with a rubber pad; one side of the rubber pad is matched and connected to the support plate.
[0008] Furthermore, both the rubber pad and the support plate have arc-shaped cross sections; the surface of the rubber pad is provided with several air vents.
[0009] Furthermore, one end of the lead screw is connected to a tapered plate; the tapered surface of the tapered plate engages with the teeth on the gear rod; and the other end of the lead screw is provided with a turntable.
[0010] Furthermore, a rectangular plate is connected to one side of the gear rod; the rectangular box is provided with a plurality of rectangular holes; the dimensions of the rectangular plate and the rectangular holes are matched.
[0011] Furthermore, the top surface of the pressure plate is provided with several anti-slip strips; the anti-slip strips are made of rubber.
[0012] Furthermore, the bottom of the mounting bracket is provided with threaded holes.
[0013] Furthermore, the vertical cross-section of the turntable is cross-shaped.
[0014] The beneficial effects of this utility model are as follows:
[0015] This invention utilizes a base fixing device and a support device. When a patient is receiving intravenous infusion, they place their arm on the surface of the rubber pad. The arm applies pressure to the rubber pad, and due to the different sizes of different parts of the arm, different positions of the rubber pad will deform to different degrees. Multiple arc-shaped plates will move different distances towards the rectangular box with the help of the pressure applied by the rubber pad, thereby adjusting the rubber pad to a comfortable shape and height according to the patient's arm. This ensures that the patient's arm can be stably positioned during the infusion process, thus guaranteeing that the patient can be positioned comfortably during the infusion. Attached Figure Description
[0016] To more clearly illustrate the embodiments of this utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a perspective view of the present utility model.
[0018] Figure 2 This is a perspective view of the present utility model.
[0019] Figure 3 This is a schematic diagram of the rectangular box structure of this utility model.
[0020] Figure 4 This is a schematic diagram of the mounting bracket structure of this utility model.
[0021] Figure 5 This is a partial cross-sectional view of the interior of the base fixing device of this utility model.
[0022] Figure 6 This utility model Figure 2 Enlarged view of point A in the image.
[0023] Explanation of icon numbers:
[0024] 1. Base frame; 2. Mounting bracket; 3. Threaded rod; 4. Pressure plate; 5. Rectangular box; 6. Gear rod; 7. Arc plate; 8. Spring; 9. Lead screw; 10. Conical plate; 11. Rubber pad; 12. Ventilation hole; 13. Rectangular plate; 14. Rectangular hole; 15. Turntable; 16. Support plate; 17. Anti-slip strip. Detailed Implementation
[0025] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.
[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this utility model or its application or use. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0027] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0028] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.
[0029] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.
[0030] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0031] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.
[0032] This utility model provides a technical solution: an infusion arm support device, such as... Figure 1-6 As shown, it includes: a base fixing device and a support device; the base fixing device consists of a base frame 1 and a mounting bracket 2; the bottom center of the base frame 1 is connected to the top of the mounting bracket 2; the bottom of the mounting bracket 2 is provided with a threaded hole; a threaded rod 3 is connected through the bottom of the mounting bracket 2; a pressure plate 4 is rotatably connected to the top of the threaded rod 3; several gear rods 6 are provided inside the base frame 1; a spring 8 is sleeved through the gear rod 6; the top of the spring 8 is connected to the bottom surface of the rectangular box 5; a lead screw 9 is provided on one side of the rectangular box 5;
[0033] The support device consists of an arc-shaped plate 7, a rubber pad 11, and a support plate 16; the top surface of the gear rod 6 is connected to the arc-shaped plate 7; the top surface of the arc-shaped plate 7 is provided with a rubber pad 11; one side of the rubber pad 11 is matched and connected to the support plate 16.
[0034] Both the rubber pad 11 and the support plate 16 have arc-shaped cross sections; the surface of the rubber pad 11 is provided with a number of ventilation holes 12.
[0035] One end of the lead screw 9 is connected to a tapered plate 10; the tapered surface of the tapered plate 10 engages with the teeth on the gear rod 6; the other end of the lead screw 9 is provided with a turntable 15, the vertical cross section of which is a cross shape.
[0036] A rectangular plate 13 is connected to one side of the gear rod 6; the rectangular box 5 is provided with a plurality of rectangular holes 14; the rectangular plate 13 and the rectangular holes 14 are matched in size.
[0037] The top surface of the pressure plate 4 is provided with several anti-slip strips 17; the anti-slip strips 17 are made of rubber.
[0038] like Figure 3-6 As shown, one side of the rubber pad 11 is matched and connected to the support plate 16; the cross-sections of both the rubber pad 11 and the support plate 16 are arc-shaped; the surface of the rubber pad 11 is provided with several ventilation holes 12; when the patient's arm is placed on the surface of the rubber pad 11, the patient's elbow will be placed inside the support plate 16. At this time, the support plate 16 will support the elbow of the arm, so as to facilitate support when the elbow is bent and avoid fatigue caused by the elbow being suspended in the air.
[0039] The surface of the rubber pad 11 is provided with several ventilation holes 12 to ensure breathability when the patient places it, and to prevent the arm from sweating due to tight contact.
[0040] A rectangular plate 13 is connected to one side of the gear rod 6; the rectangular box 5 is provided with a plurality of rectangular holes 14; the rectangular plate 13 and the rectangular holes 14 are sized to match each other and slide together. When the gear rod 6 moves, it will drive the rectangular plate 13 to slide along the inner wall of the rectangular hole 14. The rectangular hole 14 restricts the movement path of the rectangular plate 13, thereby restricting the movement path of the gear rod 6, thus preventing the gear rod 6 from rotating when it moves.
[0041] The end of the lead screw 9 away from the tapered plate 10 is fixedly connected to a turntable 15. The vertical cross section of the turntable 15 is "+" shaped. The rotation of the turntable 15 will drive the lead screw 9 to rotate.
[0042] Several anti-slip strips 17 are fixedly connected to the surface of the pressure plate 4. All anti-slip strips 17 are made of rubber. The pressure plate 4 will cause the anti-slip strips 17 to fit tightly against the surface of the armrest. The anti-slip strips 17 increase the friction between the pressure plate 4 and the seat armrest, thereby improving the limiting effect of the mounting bracket 2.
[0043] The working process of this utility model is as follows:
[0044] When a patient needs an infusion with support in their arm, first rotate the threaded rod 3. As the threaded rod 3 rotates, it moves within the base frame 1 using the thread. The movement of the threaded rod 3 causes the pressure plate 4 to move.
[0045] After the pressure plate 4 is moved to the appropriate position, the mounting bracket 2 is placed on the armrest of the seat. Then, the threaded rod 3 is rotated in the opposite direction. The threaded rod 3 will drive the pressure plate 4 to move closer to the armrest of the seat. When the pressure plate 4 is moved to the appropriate position, the pressure plate 4 will drive the anti-slip strip 17 to fit tightly against the surface of the armrest, thereby limiting the mounting bracket 2 to the surface of the armrest of the seat and limiting the base frame 1 to the surface of the armrest of the seat. The anti-slip strip 17 increases the friction between the pressure plate 4 and the armrest of the seat, and improves the limiting effect of the mounting bracket 2.
[0046] The rotating turntable 15 drives the lead screw 9 to rotate. The lead screw 9 rotates and moves within the rectangular box 5 by means of the screw thread. The movement of the lead screw 9 drives the conical plate 10 to move away from the gear rod 6, and the conical plate 10 gradually separates from the gear rod 6.
[0047] After the conical plate 10 is separated from the gear rod 6, the patient's arm is placed on the surface of the rubber pad 11, and the patient's elbow will be placed in the support plate 16. The surface of the rubber pad 11 has multiple ventilation holes 12 to ensure breathability when the patient is placed, and to prevent the arm from sweating due to close contact.
[0048] The support plate 16 supports the elbow of the arm, so as to facilitate support when the elbow is bent and avoid fatigue caused by the elbow being suspended. Because different parts of the arm have different sizes, the rubber pad 11 will deform to different degrees at different positions. Multiple arc plates 7 will move different distances towards the rectangular box 5 with the help of the pressure applied by the rubber pad 11.
[0049] When the arc plate 7 moves, it presses the gear rod 6. The gear rod 6 moves inside the rectangular box 5. When the gear rod 6 moves, it drives the rectangular plate 13 to slide along the inner wall of the rectangular hole 14. The rectangular hole 14 restricts the movement path of the rectangular plate 13, thereby restricting the movement path of the gear rod 6, thus preventing the gear rod 6 from rotating when it moves. The movement of the gear rod 6 will cause the spring 8 to stretch.
[0050] Once the arm is in a comfortable position, rotate the turntable 15 in the opposite direction. The lead screw 9 moves within the rectangular box 5 by means of the rotation of the turntable 15. The movement of the lead screw 9 drives the conical plate 10 to move.
[0051] Once the conical plate 10 is moved to the appropriate position, it engages with the tooth surface of the gear rod 6, thereby limiting the position of the multiple gear rods 6, the position of the arc plate 7, and the shape of the rubber pad 11, ensuring that the patient's arm can be placed comfortably.
[0052] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An infusion arm support device, characterized in that, include: Base fixing device and support device; The base fixing device consists of a base frame (1) and a mounting bracket (2); the bottom center of the base frame (1) is connected to the top of the mounting bracket (2); a threaded rod (3) is connected through the bottom of the mounting bracket (2); a pressure plate (4) is rotatably connected to the top of the threaded rod (3); several gear rods (6) are provided inside the base frame (1); a spring (8) is sleeved through the gear rod (6); the top of the spring (8) is connected to the bottom surface of the rectangular box (5); a lead screw (9) is provided on one side of the rectangular box (5); The support device consists of an arc plate (7), a rubber pad (11), and a support plate (16); the top surface of the gear rod (6) is connected to the arc plate (7); the top surface of the arc plate (7) is provided with a rubber pad (11); one side of the rubber pad (11) is matched and connected to the support plate (16).
2. The infusion arm support device according to claim 1, characterized in that, The cross-sections of the rubber pad (11) and the support plate (16) are both arc-shaped; the surface of the rubber pad (11) is provided with a number of air vents (12).
3. The infusion arm support device according to claim 1, characterized in that, One end of the lead screw (9) is connected to a tapered plate (10); the tapered surface of the tapered plate (10) engages with the teeth on the gear rod (6); the other end of the lead screw (9) is provided with a turntable (15).
4. The infusion arm support device according to claim 1, characterized in that, A rectangular plate (13) is connected to one side of the gear rod (6); the rectangular box (5) is provided with a plurality of rectangular holes (14); the rectangular plate (13) and the rectangular holes (14) are matched in size.
5. The infusion arm support device according to claim 1, characterized in that, The top surface of the pressure plate (4) is provided with several anti-slip strips (17); the anti-slip strips (17) are made of rubber.
6. The infusion arm support device according to claim 1, characterized in that, The mounting bracket (2) has a threaded hole at its bottom.
7. The infusion arm support device according to claim 3, characterized in that, The vertical cross section of the turntable (15) is shaped like a cross.