Infusion equipment capable of preventing blood from flowing back
By integrating a capacitive water level detection module and alarm in the infusion equipment, the problem of blood reflux caused by negligence in time during infusion is solved, and higher infusion safety and accuracy are achieved.
Patent Information
- Application Number
- CN202420080109.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-01-12
AI Technical Summary
During the infusion process, medical staff are prone to negligence to fail to remove the needle in time, causing blood to flow back from the patient's blood vessels to the infusion tube.
An infusion device is designed to prevent blood from flowing back, using a capacitive water level detection module and an alarm. By detecting the water level of the liquid in the infusion bottle, the alarm reminds the medical staff to change the infusion bottle or remove the needle when the liquid is exhausted.
It effectively avoids blood reflux caused by not removing the needle in time after the infusion is completed, and improves the safety and accuracy of the infusion process.
Smart Images

Figure CN222445018U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to an infusion device for preventing blood reflux. Background Art
[0002] Infusion refers to a large dose of injection that is delivered into the body by intravenous drip. It is a branch of injection and is usually packaged in a glass or plastic infusion bottle or bag. It does not contain antibacterial agents. When in use, the drip rate is adjusted through the infusion device to continuously and stably deliver the drug into the body. After the infusion is completed, if the needle is not removed in time, blood may flow back from the patient's blood vessels to the infusion tube. Currently, infusion is mostly checked manually, which is prone to negligence. In view of the above problems, the inventor proposes an infusion device that prevents blood reflux to solve the above problems. Utility Model Content
[0003] In order to solve the problem that the infusion is currently mostly checked manually, which is prone to negligence and causes blood to flow back from the patient's blood vessels to the infusion tube; the purpose of the utility model is to provide an infusion device that prevents blood from flowing back.
[0004] To solve the above technical problems, the utility model adopts the following technical solutions: an infusion device for preventing blood reflux, comprising an infusion bottle, the infusion bottle comprising a bottle mouth, a first shell being provided on one side of the bottle mouth, a second shell being provided on the other side of the bottle mouth, a capacitive water level detection module being embedded in a side of the first shell facing the bottle mouth, both end surfaces of the first shell being fixedly connected with a cylinder, a first clamping rod being inserted into the barrel mouth of the cylinder, a cross plate being provided between the first shell and the second shell, a second clamping rod being inserted into both side surfaces of the cross plate, the first clamping rod being fixed to the second clamping rod, a pressure holding plate being fixedly connected to the side wall of the cross plate, and the pressure holding plate corresponding to and matching with the bottle mouth.
[0005] Preferably, the side wall of the infusion bottle is provided with a restraining belt, the top end of the restraining belt is fixedly connected with a hook, the restraining belt is used to restrain and fix the infusion bottle so that the infusion bottle can be hung by the hook, and an infusion tube is inserted into the output end of the infusion bottle.
[0006] Preferably, the first shell and the second shell have the same structure, and the first shell corresponds to the second shell, the working end of the capacitive water level detection module corresponds to and cooperates with the bottle mouth, and an alarm is provided on the side of the first shell facing away from the bottle mouth, and the alarm is electrically connected to the capacitive water level detection module. The capacitive water level detection module is used to detect the liquid in the infusion bottle. When there is liquid at the bottle mouth position corresponding to the capacitive water level detection module, the indicator light in the alarm is always on and the alarm does not sound an alarm. When there is no liquid at the bottle mouth position corresponding to the capacitive water level detection module, that is, the medicine in the infusion bottle has dried up, the indicator light in the alarm is off and the alarm sounds an alarm, thereby reminding medical staff to replace the infusion bottle or remove the needle, so as to avoid the situation where the needle is not removed in time after the infusion is completed, resulting in blood flowing back from the patient's blood vessels to the infusion tube.
[0007] Preferably, a first threaded hole is penetrated through the side wall of the cylinder, one end of the first threaded hole extends into the cylinder mouth of the cylinder, a first tightening knob is provided on one side of the cylinder, the rod portion of the first tightening knob is a threaded rod, the rod portion of the first tightening knob corresponds to and cooperates with the first threaded hole, when installing the first shell and the second shell, the bottle mouth is located between the first shell and the second shell, the first clamping rod is first inserted into the cylinder, and the holding plate is in close contact with the bottle mouth, after adjustment, the first tightening knob is turned, and the first tightening knob and the first threaded hole cooperate with each other, so that the adjusted first clamping rod can be limited and fixed, so that the holding plate is installed on the bottle mouth, and through openings are penetrated through the two side surfaces of the horizontal plate, so The second clamping rod is located in the through opening, and a second threaded hole is penetrated by a side of the cross plate facing away from the holding plate, and one end of the second threaded hole extends into the through opening, and a second fastening knob is provided on one side of the cross plate, and the rod portion of the second fastening knob is a threaded rod, and the rod portion of the second fastening knob corresponds to and cooperates with the second threaded hole. After the installation of the first clamping rod is completed, the first shell and the second shell are pushed in the direction close to the bottle mouth, so that the second clamping rod moves in the through opening until the capacitive water level detection module contacts the bottle mouth, and then, the second fastening knob is turned, and the second fastening knob and the second threaded hole cooperate with each other, so that the second clamping rod can be limited and fixed, and then the capacitive water level detection module can cooperate with the bottle mouth.
[0008] Compared with the prior art, the beneficial effects of the utility model are:
[0009] 1. The utility model can detect the liquid medicine in the infusion bottle to avoid the situation that the needle is not removed in time after the infusion is completed, and the blood flows back from the patient's blood vessels to the infusion tube. The capacitive water level detection module can detect the liquid in the infusion bottle. When there is no liquid at the bottle mouth position corresponding to the capacitive water level detection module, that is, the liquid medicine in the infusion bottle has been drained, the indicator light in the alarm will be off, and the alarm will sound an alarm, thereby reminding medical staff to replace the infusion bottle or remove the needle to avoid blood reflux.
[0010] 2. The utility model is easy to install and can be recycled for cyclic use. The position of the pressure holding plate can be adjusted so that it can be installed on the bottle mouth to monitor the liquid medicine in the infusion bottle. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0013] Figure 2 It is a schematic diagram of the cooperation between the first shell and the second shell of the utility model.
[0014] Figure 3 This is another schematic diagram of the cooperation between the first shell and the second shell of the utility model.
[0015] Figure 4 It is an enlarged view of point A of the present utility model.
[0016] In the figure: 1. infusion bottle; 2. bottle mouth; 3. restraint belt; 4. hook; 5. infusion tube; 6. first shell; 7. capacitive water level detection module; 8. alarm; 9. cylinder; 10. first threaded hole; 11. first fastening knob; 12. first clamping rod; 13. second clamping rod; 14. horizontal plate; 15. second threaded hole; 16. second fastening knob; 17. holding plate; 18. second shell. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] Example: Figure 1-4 As shown, the utility model provides an infusion device for preventing blood backflow, including an infusion bottle 1, the infusion bottle 1 includes a bottle mouth 2, a first shell 6 is provided on one side of the bottle mouth 2, a second shell 18 is provided on the other side of the bottle mouth 2, a capacitive water level detection module 7 is embedded in the first shell 6 facing the bottle mouth 2, both end surfaces of the first shell 6 are fixedly connected with a barrel 9, a first clamping rod 12 is inserted in the barrel mouth of the barrel 9, a cross plate 14 is provided between the first shell 6 and the second shell 18, second clamping rods 13 are inserted on both side surfaces of the cross plate 14, the first clamping rod 12 is fixed to the second clamping rod 13, the side wall of the cross plate 14 is fixedly connected with a holding plate 17, and the holding plate 17 corresponds to and cooperates with the bottle mouth 2.
[0019] A restraining belt 3 is provided on the side wall of the infusion bottle 1 , and a hook 4 is fixedly connected to the top of the restraining belt 3 .
[0020] By adopting the above technical solution, the restraining belt 3 is used to restrain and fix the infusion bottle 1, so that the infusion bottle 1 can be hung by the hook 4, and the output end of the infusion bottle 1 is interspersed with an infusion tube 5.
[0021] The first shell 6 and the second shell 18 have the same structure, and the first shell 6 corresponds to the second shell 18. The working end of the capacitive water level detection module 7 corresponds to and cooperates with the bottle mouth 2. An alarm 8 is provided on the side of the first shell 6 facing away from the bottle mouth 2, and the alarm 8 is electrically connected to the capacitive water level detection module 7.
[0022] By adopting the above technical scheme, the capacitive water level detection module 7 is used to detect the liquid in the infusion bottle 1. When there is liquid at the bottle mouth 2 position corresponding to the capacitive water level detection module 7, the indicator light in the alarm 8 is always on, and the alarm 8 does not sound an alarm. When there is no liquid at the bottle mouth 2 position corresponding to the capacitive water level detection module 7, that is, the medicine in the infusion bottle 1 has dried up, the indicator light in the alarm 8 is off, and the alarm 8 sounds an alarm, thereby reminding medical staff to replace the infusion bottle 1 or remove the needle, so as to avoid the situation where the needle is not removed in time after the infusion is completed, resulting in blood flowing back from the patient's blood vessels to the infusion tube 5.
[0023] A first threaded hole 10 is penetrated through the side wall of the cylinder 9, one end of the first threaded hole 10 extends into the cylinder mouth of the cylinder 9, and a first tightening knob 11 is provided on one side of the cylinder 9. The rod of the first tightening knob 11 is a threaded rod, and the rod of the first tightening knob 11 corresponds to and cooperates with the first threaded hole 10.
[0024] By adopting the above technical solution, when installing the first shell 6 and the second shell 18, the bottle mouth 2 is located between the first shell 6 and the second shell 18, and the first clamping rod 12 is first inserted into the cylinder 9, and the holding plate 17 is made to be in close contact with the bottle mouth 2. After adjustment, the first fastening knob 11 is turned, and the first fastening knob 11 cooperates with the first threaded hole 10, so that the adjusted first clamping rod 12 can be limited and fixed, so that the holding plate 17 is installed on the bottle mouth 2.
[0025] Through openings are provided on both side surfaces of the transverse plate 14, and the second clamping rod 13 is located in the through openings. A second threaded hole 15 is provided on one side of the transverse plate 14 facing away from the holding plate 17, and one end of the second threaded hole 15 extends into the through opening. A second tightening knob 16 is provided on one side of the transverse plate 14, and the rod portion of the second tightening knob 16 is a threaded rod, and the rod portion of the second tightening knob 16 corresponds to and cooperates with the second threaded hole 15.
[0026] By adopting the above technical solution, after the installation of the first clamping rod 12 is completed, the first shell 6 and the second shell 18 are pushed in the direction close to the bottle mouth 2, so that the second clamping rod 13 moves in the through opening until the capacitive water level detection module 7 contacts the bottle mouth 2, and then, the second fastening knob 16 is turned, and the second fastening knob 16 cooperates with the second threaded hole 15, so that the second clamping rod 13 can be limited and fixed, and then the capacitive water level detection module 7 can cooperate with the bottle mouth 2.
[0027] Working principle: When the utility model is used, the bottle mouth 2 is located between the first shell 6 and the second shell 18, and the first clamping rod 12 is first inserted into the barrel 9, and the holding plate 17 is closely contacted with the bottle mouth 2. After adjustment, the first fastening knob 11 is turned, and the first fastening knob 11 cooperates with the first threaded hole 10, so that the adjusted first clamping rod 12 can be limited and fixed, so that the holding plate 17 is installed on the bottle mouth 2;
[0028] Next, the first housing 6 and the second housing 18 are pushed toward the bottle mouth 2, so that the second clamping rod 13 moves in the through opening until the capacitive water level detection module 7 contacts the bottle mouth 2, and then the second fastening knob 16 is turned, and the second fastening knob 16 cooperates with the second threaded hole 15, so that the second clamping rod 13 can be limited and fixed, and the capacitive water level detection module 7 can cooperate with the bottle mouth 2;
[0029] When infusion is in progress, the capacitive water level detection module 7 can detect the liquid in the infusion bottle 1. When there is liquid at the bottle mouth 2 position corresponding to the capacitive water level detection module 7, the indicator light in the alarm 8 is always on, and the alarm 8 does not sound an alarm. When there is no liquid at the bottle mouth 2 position corresponding to the capacitive water level detection module 7, that is, the medicine in the infusion bottle 1 has dried up, the indicator light in the alarm 8 is off, and the alarm 8 sounds an alarm, thereby reminding medical staff to replace the infusion bottle 1 or remove the needle, so as to avoid the situation where the needle is not removed in time after the infusion is completed, resulting in blood flowing back from the patient's blood vessels to the infusion tube 5.
[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. An infusion device for preventing blood backflow, comprising an infusion bottle (1), characterized in that: The infusion bottle (1) comprises a bottle mouth (2), a first shell (6) is arranged on one side of the bottle mouth (2), a second shell (18) is arranged on the other side of the bottle mouth (2), a capacitive water level detection module (7) is embedded in the first shell (6) on the side facing the bottle mouth (2), both end surfaces of the first shell (6) are fixedly connected with a cylinder (9), a first clamping rod (12) is inserted into the barrel mouth of the cylinder (9), a transverse plate (14) is arranged between the first shell (6) and the second shell (18), a second clamping rod (13) is inserted into the two side surfaces of the transverse plate (14), the first clamping rod (12) is fixed to the second clamping rod (13), the side wall of the transverse plate (14) is fixedly connected with a holding plate (17), and the holding plate (17) corresponds to and cooperates with the bottle mouth (2).
2. The infusion device for preventing blood backflow according to claim 1, characterized in that: The side wall of the infusion bottle (1) is provided with a binding belt (3), and the top end of the binding belt (3) is fixedly connected with a hook (4).
3. The infusion device for preventing blood backflow according to claim 1, characterized in that: The first shell (6) and the second shell (18) have the same structure, and the first shell (6) corresponds to the second shell (18).
4. The infusion device for preventing blood backflow according to claim 1, characterized in that: The operating end of the capacitive water level detection module (7) corresponds to and cooperates with the bottle mouth (2), and an alarm (8) is provided on a side of the first shell (6) facing away from the bottle mouth (2), and the alarm (8) is electrically connected to the capacitive water level detection module (7).
5. The infusion device for preventing blood backflow according to claim 1, characterized in that: A first threaded hole (10) is provided through the side wall of the cylinder (9), and one end of the first threaded hole (10) extends into the cylinder mouth of the cylinder (9).
6. The infusion device for preventing blood backflow according to claim 5, characterized in that: A first tightening knob (11) is provided on one side of the cylinder (9); the stem of the first tightening knob (11) is a threaded rod; the stem of the first tightening knob (11) corresponds to and matches the first threaded hole (10).
7. The infusion device for preventing blood backflow according to claim 1, characterized in that: Through openings are provided on both side surfaces of the transverse plate (14), the second clamping rod (13) is located in the through openings, and a second threaded hole (15) is provided on a side of the transverse plate (14) facing away from the holding plate (17), and one end of the second threaded hole (15) extends into the through opening.
8. The infusion device for preventing blood backflow according to claim 7, characterized in that: A second tightening knob (16) is provided on one side of the transverse plate (14); the stem of the second tightening knob (16) is a threaded rod; the stem of the second tightening knob (16) corresponds to and matches the second threaded hole (15).