Infusion apparatus

By introducing motor-driven screw and threaded cylinder systems into the infusion device, the droplet flow rate is controlled, and the level detector and alarm are used to remind medical staff, the existing infusion device is difficult to control the droplet flow rate and prompt reminders. The problem has improved the safety and convenience of the infusion process.

CN222218343UActive Publication Date: 2024-12-24程洁
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202323212668.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-11-28
Publication Date
2024-12-24
Estimated Expiration
2033-11-28

AI Technical Summary

Technical Problem

The existing infusion device is difficult to automatically control the droplet flow rate, and it is impossible to promptly remind medical staff to remove the infusion needle when the infusion is about to end, which is inconvenient to use.

Method used

An infusion device including a motor, screw rod, threaded cylinder, roller and signal processor is designed. The motor drives the movement of the screw rod and threaded cylinder, controls the droplet flow rate, and reminds medical staff through the liquid level detector and alarm. Remove the infusion needle when the liquid level is low.

Benefits of technology

It realizes fine control of the droplet flow rate and timely reminder of the end of the infusion, improving the safety and convenience of the infusion process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222218343U_ABST
    Figure CN222218343U_ABST
Patent Text Reader

Abstract

The utility model discloses an infusion apparatus, which belongs to the technical field of infusion apparatuses and comprises an infusion tube, the surface of the infusion tube is sleeved with a movable box, the side face of the movable box is fixedly connected with a fixed box, the bottom of the inner wall of the fixed box is fixedly provided with a motor, and an output shaft of the motor is fixedly connected with a lead screw. The surface of the lead screw is in threaded connection with a threaded cylinder, the side face of the threaded cylinder is fixedly connected with a connecting rod, the surface of the connecting rod is fixedly connected with a rolling wheel, and one side of the connecting rod is fixedly connected with a sliding block. By means of inclined arrangement of the sliding groove and the movable opening, the idler wheel extrudes the infusion tube to different degrees in the moving process, the purpose of controlling the flow speed of liquid drops is achieved, the flow speed of the liquid drops can be detected by arranging the liquid drop speed detector, signals can be transmitted, and then the flow speed is controlled through work of the motor.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of infusion sets, and more specifically, to an infusion set. Background Art

[0002] Too fast an infusion speed can cause infusion reactions such as chills and high fever. Currently, an infusion device is needed during infusion treatment for cardiovascular and cerebrovascular patients. However, most of the existing infusion devices have the disadvantage of being inconvenient to automatically control the droplet flow rate, which greatly increases the limitations of use. At the same time, when the infusion is about to end, it cannot promptly remind medical staff to remove the infusion needle, which is inconvenient to use. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an infusion set, which has the characteristics of being easy to control the flow rate and remind medical staff.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides an infusion device, including an infusion tube, a movable box is sleeved on the surface of the infusion tube, a fixed box is fixedly connected to the side of the movable box, a motor is fixedly installed on the bottom of the inner wall of the fixed box, a screw is fixedly connected to the output shaft of the motor, a threaded barrel is threadedly connected to the surface of the screw, a connecting rod is fixedly connected to the side of the threaded barrel, a roller is fixedly connected to the surface of the connecting rod, a slider is fixedly connected to one side of the connecting rod, a droplet storage tube is fixedly connected to the surface of the infusion tube, a placement rack is sleeved on the surface of the droplet storage tube, a signal processor is fixedly installed on the side of the placement rack, a droplet speed detector is fixedly connected to the top of the signal processor, a liquid level detector is fixedly connected to the bottom of the signal processor, an alarm is fixedly connected to the side of the signal processor, a pin is fixedly connected to one end of the infusion tube, and an infusion needle is fixedly connected to the other end of the infusion tube.

[0007] When an infusion device of the present technical solution is used, the motor works to drive the screw to rotate, drive the threaded barrel to move up and down, drive the connecting rod to move up and down, and then drive the roller to move up and down, so as to achieve the purpose of controlling the droplet flow rate.

[0008] Furthermore, a slide groove is provided on the side of the inner wall of the movable box, and the side of the sliding block is slidably connected in the slide groove.

[0009] Furthermore, a bearing is fixedly connected to the top of the inner wall of the fixed box, a rotating shaft is fixedly connected to one end of the screw rod, and a surface of the rotating shaft is fixedly connected in the bearing.

[0010] Furthermore, a movable sleeve is sleeved on the surface of the insertion needle, and a needle sleeve is sleeved on the surface of the infusion needle.

[0011] Furthermore, a pressure tube is fixedly connected to the side of the infusion tube, a signal tube is fixedly connected to the bottom of the signal processor, and the signal tube is fixedly connected to the bottom of the motor.

[0012] (3) Beneficial effects

[0013] In summary, the utility model has the following beneficial effects:

[0014] 1. The motor drives the screw to rotate, drives the threaded barrel to move up and down, drives the connecting rod to move up and down, and then drives the roller to move up and down. With the help of the inclined setting of the slide groove and the movable mouth, the roller can squeeze the infusion tube to different degrees during the movement to achieve the purpose of controlling the droplet flow rate. By setting a droplet velocity detector, the droplet flow rate can be detected, and the signal can be transmitted, and then the flow rate can be controlled by the motor. By setting a liquid level detector, the liquid level when the infusion is about to end can be detected, and a signal can be transmitted, and then the alarm can be used to remind medical staff to pull out the infusion needle;

[0015] 2. By setting a slide groove, the sliding action of the slider in the slide groove can make the movement of the roller more stable. By setting a control panel, the working state of the signal processor can be controlled. By setting a movable sleeve and a needle sleeve, the purpose of preventing needles and infusion needles from stabbing people can be achieved. By setting a pressure tube, the purpose of controlling the liquid level of the droplet storage tube can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 3 for Figure 2 Enlarged structural diagram at A in the middle.

[0020] The symbols in the accompanying drawings are:

[0021] 1. Infusion tube; 2. Movable box; 3. Fixed box; 4. Signal tube; 5. Signal processor; 6. Liquid level detector; 7. Alarm; 8. Control panel; 9. Droplet speed detector; 10. Placement rack; 11. Pin; 12. Droplet storage tube; 13. Roller; 14. Motor; 15. Rotating shaft; 16. Screw rod; 17. Threaded barrel; 18. Bearing; 19. Connecting rod; 20. Movable port; 21. Slide; 22. Sliding block; 23. Infusion needle; 24. Pressure tube; 25. Movable sleeve; 26. Needle sleeve. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0023] Example:

[0024] The following is combined with Figure 1-3 The utility model is described in further detail.

[0025] See also Figure 1-3 The utility model provides a technical solution: an infusion device, including an infusion tube 1, a movable box 2 is sleeved on the surface of the infusion tube 1, a fixed box 3 is fixedly connected to the side of the movable box 2, and a motor 14 is fixedly installed on the bottom of the inner wall of the fixed box 3. The motor 14 drives the rotation of the screw rod 16, drives the up and down movement of the threaded tube 17, drives the up and down movement of the connecting rod 19, and then drives the roller 13 to move up and down. With the help of the inclined setting of the slide groove 21 and the movable port 20, the roller 13 can squeeze the infusion tube 1 to different degrees during the movement, so as to achieve the purpose of controlling the droplet flow rate. The output shaft of the motor 14 is fixedly connected to the screw rod 16, the surface of the screw rod 16 is threadedly connected to the threaded tube 17, the side of the threaded tube 17 is fixedly connected to the connecting rod 19, and the surface of the connecting rod 19 is fixedly connected to the roller 1 3. A slider 22 is fixedly connected to one side of the connecting rod 19, a droplet storage tube 12 is fixedly connected to the surface of the infusion tube 1, a placement rack 10 is sleeved on the surface of the droplet storage tube 12, a signal processor 5 is fixedly installed on the side of the placement rack 10, by setting a droplet speed detector 9, the droplet flow rate can be detected, the signal is transmitted, and then the flow rate is controlled by the operation of the motor 14, the droplet speed detector 9 is fixedly connected to the top of the signal processor 5, the liquid level detector 6 is fixedly connected to the bottom of the signal processor 5, by setting the liquid level detector 6, the liquid level when the infusion is about to end can be detected, the signal is transmitted, and then the alarm 7 is used to remind the medical staff to pull out the infusion needle 23, the alarm 7 is fixedly connected to the side of the signal processor 5, one end of the infusion tube 1 is fixedly connected to the pin 11, and the other end of the infusion tube 1 is fixedly connected to the infusion needle 23.

[0026] Specifically, a slide groove 21 is opened on the side of the inner wall of the movable box 2, and the side of the slider 22 is slidably connected in the slide groove 21. A bearing 18 is fixedly connected to the top of the inner wall of the fixed box 3, and one end of the screw rod 16 is fixedly connected to the rotating shaft 15, and the surface of the rotating shaft 15 is fixedly connected in the bearing 18.

[0027] By adopting the above technical solution, by setting the slide groove 21, with the help of the sliding action of the slider 22 in the slide groove 21, the movement of the roller 13 can be more stable, and by setting the control panel 8, the working state of the signal processor 5 can be controlled.

[0028] Specifically, a movable sleeve 25 is sleeved on the surface of the insertion needle 11, a needle sleeve 26 is sleeved on the surface of the infusion needle 23, a pressure tube 24 is fixedly connected to the side of the infusion tube 1, a signal tube 4 is fixedly connected to the bottom of the signal processor 5, and the signal tube 4 is fixedly connected to the bottom of the motor 14.

[0029] By adopting the above technical solution, by providing the movable cover 25 and the needle cover 26, the purpose of preventing the insertion needle 11 and the infusion needle 23 from stabbing people is achieved, and by providing the pressure tube 24, the purpose of controlling the speed of the droplets falling into the droplet storage tube 12 is achieved.

[0030] The working principle of the utility model is as follows: when the device is needed to perform infusion therapy on cardiovascular and cerebrovascular patients, first, the device can be sleeved on the infusion tube 1, and the cardiovascular and cerebrovascular patients can be acupunctured with the help of the infusion needle 23. Then, the signal processor 5 can be controlled to work through the control panel 8. During the infusion process, when the droplet speed detector 9 detects that the droplet speed is too fast or too slow, it will transmit the signal to the signal processor 5, and transmit it to the motor 14 with the help of the signal tube 4, driving the screw rod 16 to rotate, and with the help of the threaded connection between the screw rod 16 and the threaded cylinder 17, the connecting rod 19 is driven to move up and down, and then the roller 13 is driven to move up and down, so as to control the speed of the droplet flow. Then, when the infusion is about to end, when the liquid level detector 6 detects that the liquid level in the droplet storage tube 12 is too low, the alarm 7 will sound to remind the medical staff to pull out the infusion needle 23.

[0031] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An infusion set, comprising an infusion tube (1), characterized in that: The surface of the infusion tube (1) is sleeved with a movable box (2), the side of the movable box (2) is fixedly connected to a fixed box (3), the bottom of the inner wall of the fixed box (3) is fixedly installed with a motor (14), the output shaft of the motor (14) is fixedly connected with a screw rod (16), the surface of the screw rod (16) is threadedly connected with a threaded cylinder (17), the side of the threaded cylinder (17) is fixedly connected with a connecting rod (19), the surface of the connecting rod (19) is fixedly connected with a roller (13), one side of the connecting rod (19) is fixedly connected with a slider (22), and the infusion tube (11) is fixedly connected with a roller (13). 1) A liquid droplet storage tube (12) is fixedly connected to the surface, a placement rack (10) is sleeved on the surface of the liquid droplet storage tube (12), a signal processor (5) is fixedly installed on the side of the placement rack (10), a liquid droplet speed detector (9) is fixedly connected to the top of the signal processor (5), a liquid level detector (6) is fixedly connected to the bottom of the signal processor (5), an alarm (7) is fixedly connected to the side of the signal processor (5), one end of the infusion tube (1) is fixedly connected to a pin (11), and the other end of the infusion tube (1) is fixedly connected to an infusion needle (23).

2. An infusion set according to claim 1, characterized in that: A sliding groove (21) is provided on the inner wall side of the movable box (2), and the sliding block (22) is slidably connected in the sliding groove (21) at the side.

3. An infusion set according to claim 1, characterized in that: A bearing (18) is fixedly connected to the top of the inner wall of the fixed box (3), one end of the screw rod (16) is fixedly connected to a rotating shaft (15), and the surface of the rotating shaft (15) is fixedly connected in the bearing (18).

4. An infusion set according to claim 1, characterized in that: The surface of the insertion needle (11) is sleeved with a movable sleeve (25), and the surface of the infusion needle (23) is sleeved with a needle sleeve (26).

5. The infusion set according to claim 1, characterized in that: The side of the infusion tube (1) is fixedly connected to a pressure tube (24), and the bottom of the signal processor (5) is fixedly connected to a signal tube (4).