Anti-falling infusion apparatus internal fixing device

By incorporating contact components and semiconductor heating elements into the infusion set, the problem of infusion set detachment has been solved, resulting in reduced waste of consumables, decreased nursing workload and risk of blood infection, and improved patient comfort.

CN223979976UActive Publication Date: 2026-03-10SHUNDE HOSPITAL SOUTHERN MEDICAL UNIV (THE FIRST PEOPLES HOSPITAL OF SHUNDE FOSHAN)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing infusion sets are prone to falling off due to patients' accidental pulling during use, leading to increased consumables, higher patient costs, increased nursing workload, and an increased risk of blood infection.

Method used

An internal fixing device for preventing detachment of an infusion set was designed. By setting a contact component on the bottle stopper piercing needle, and utilizing the mechanical structure of the float and contact rod, the anti-slip pad is made to fit tightly against the inner wall of the infusion bottle, increasing the contact area and preventing detachment. In winter, the liquid medicine can be heated by a semiconductor heating element to maintain a suitable temperature.

Benefits of technology

It effectively prevents infusion sets from falling off, reduces waste of consumables and patient costs, lowers nursing workload, reduces the risk of blood infection, and improves patient comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-drop infusion apparatus internal fixing device, and relates to the technical field of medical instruments, the anti-drop infusion apparatus internal fixing device comprises a bottle plug puncture needle and a contact assembly, the contact assembly is arranged on the side surface of the bottle plug puncture needle, the contact assembly comprises a fixing block, the fixing block is sleeved on the side surface of the bottle plug puncture needle, and the fixing block is fixed on the side surface of the bottle plug puncture needle. A connecting hole is formed in the fixing block, and a through groove is formed in the fixing block. According to the anti-falling infusion apparatus inner fixing device, by installing the contact assembly, after a bottle plug puncture needle is inserted into an infusion bottle, a floating block floats upwards under the influence of liquid medicine in the bottle, when the floating block floats upwards, a contact rod can be driven to rotate outwards on a rotating shaft, an anti-skid pad is tightly attached to the inner wall of the infusion bottle, and the contact face between an infusion apparatus needle and the interior of the infusion bottle is increased; the infusion apparatus is prevented from falling off accidentally, the infusion apparatus does not need to be replaced, consumables are prevented from being increased, the cost of a patient is prevented from being increased, meanwhile, the nursing workload of medical staff is prevented from being increased, and the blood infection probability is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to an internal fixation device for preventing the infusion set from falling off. Background Technology

[0002] An IV tubing is a medical device used to deliver liquid medications or nutritional solutions into a patient's veins or arteries. It is usually made of soft plastic or rubber and comes in different lengths and diameters to suit different situations and needs. One end of the IV tubing is connected to an IV bottle or bag, and the other end is connected to a needle inserted into the patient's vein or artery. During the infusion, the doctor or nurse will control the flow rate and pressure of the fluid by adjusting the valve on the IV tubing to ensure that the medication or nutritional solution can be safely and effectively delivered to the patient.

[0003] The current connection between the infusion bag or bottle and the puncture needle is relatively simple. When patients turn over or go to the toilet, they may pull on the infusion set. This unintentional pulling can easily cause the infusion set to fall off. If the infusion set falls off accidentally, it needs to be replaced, which will increase the consumables, increase the cost to patients, increase the workload of medical staff, and increase the chance of blood infection.

[0004] Therefore, those skilled in the art have provided an internal fixation device for preventing the infusion set from falling off, in order to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to provide an internal fixation device for preventing the infusion set from falling off, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An internal fixation device for preventing dislodgement of an infusion set includes a stopper piercing needle and a contact assembly. The contact assembly is disposed on the side surface of the stopper piercing needle and includes a fixing block that fits onto the side surface of the stopper piercing needle. The fixing block has a connecting hole and a through groove inside. A rotating shaft is fixedly connected to one side of the inner wall of the through groove, and a contact rod is rotatably connected to the side surface of the rotating shaft. A float is fixedly connected to the other side of the contact rod, and a tension spring is fixedly connected to one side of the float. The tension spring is connected to the inside of the through groove. The infusion set is fixedly connected to the wall, and an anti-slip pad is fixedly connected to one side of the contact rod. By installing the contact assembly, when the bottle stopper piercing needle is inserted into the infusion bottle, the float floats upward due to the influence of the medicine in the bottle. When the float floats upward, it will drive the contact rod to rotate outward on the rotating shaft, so that the anti-slip pad is in close contact with the inner wall of the infusion bottle, increasing the contact surface between the infusion set needle and the inside of the infusion bottle, preventing the infusion set from accidentally falling off, eliminating the need to replace the infusion set, avoiding increased consumables and higher costs for patients, while also avoiding increasing the workload of medical staff and reducing the chance of blood infection.

[0008] As a further embodiment of this utility model: the bottom of the bottle stopper piercing needle is fixedly connected to a drip tube, the bottom of the drip tube is fixedly connected to a drip pot, and the bottom of the drip pot is fixedly connected to a connecting tube.

[0009] As a further embodiment of this invention: a drug solution filter is fixedly connected to the top of the connecting tube, and a thin infusion tube is fixedly connected to the top of the drug solution filter. A flow rate regulator is movably sleeved on the side surface of the connecting tube. A drip tube fixedly connected to the bottom of the bottle stopper piercing needle introduces the drug solution into the drip chamber. The drip chamber is used to observe the flow rate and remaining amount of the drug solution. Subsequently, the drug solution enters the drug solution filter through the connecting tube, filters out impurities, and is then delivered to the patient through the thin infusion tube. The flow rate regulator can adjust the flow rate of the drug solution to meet different treatment needs.

[0010] As a further embodiment of this utility model: a U-shaped plate is movably connected to the side surface of the connecting pipe, and a sliding groove is provided on one side of the inner wall of the U-shaped plate, with a slider slidably connected inside the sliding groove.

[0011] As a further improvement of this utility model: a threaded hole is provided on the other side of the U-shaped plate, and a threaded hole is provided inside the slider.

[0012] As a further improvement of this utility model: the internal thread of the second threaded hole is connected to a threaded rod, and a knob is fixedly connected to one side of the threaded rod.

[0013] As a further improvement of this utility model: a support rod is fixedly connected to the other side of the slider, and a clamping buckle is fixedly connected to the other side of the support rod.

[0014] As a further improvement of this utility model: a semiconductor heating element is fixedly connected to the other side of the inner wall of the U-shaped plate, and an infusion bottle is movably connected to the top of the bottle stopper piercing needle. When performing infusion in winter, medical personnel can unscrew the threaded rod from the threaded hole one and threaded hole two to release the limit on the slider, and then push the slider to slide in the groove so that the clamping buckle clamps the connecting tube. Then, the threaded rod is tightened into the threaded hole one and threaded hole two to connect the U-shaped plate and the connecting tube together. The semiconductor heating element can heat the medicine as needed to maintain the appropriate temperature of the medicine during the delivery process and improve the patient's comfort.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. By installing a contact assembly, when the bottle stopper piercing needle is inserted into the infusion bottle, the float floats upward due to the influence of the medication inside the bottle. As the float floats upward, it drives the contact rod to rotate outward on the shaft, causing the anti-slip pad to adhere tightly to the inner wall of the infusion bottle. This increases the contact area between the infusion set needle and the inside of the infusion bottle, preventing the infusion set from accidentally falling off. This eliminates the need to replace the infusion set, avoiding increased consumables and higher costs for patients. It also reduces the workload of medical staff and lowers the risk of blood infection.

[0017] 2. When administering intravenous infusions in winter, medical staff can unscrew the threaded rod from threaded holes one and two to release the limit on the slider, then push the slider to slide in the groove so that the clamping buckle clamps the connecting tube. Then, tighten the threaded rod into threaded holes one and two to connect the U-shaped plate to the connecting tube. The semiconductor heating element can heat the medication as needed to maintain a suitable temperature during the delivery process and improve patient comfort. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of an internal fixation device for preventing the infusion set from falling off.

[0019] Figure 2 This is a three-dimensional front view schematic diagram of an internal fixation device for preventing the infusion set from falling off.

[0020] Figure 3 A partial three-dimensional enlarged diagram of an internal fixation device for preventing the infusion set from falling off. Figure 1 .

[0021] Figure 4 This is a partial three-dimensional bottom view of the internal fixation device for an infusion set used to prevent detachment.

[0022] Figure 5 A partial three-dimensional enlarged diagram of an internal fixation device for preventing the infusion set from falling off. Figure 2 .

[0023] Figure 6This is a schematic diagram of a partial three-dimensional unfolded structure of an internal fixation device for preventing detachment in an infusion set.

[0024] In the diagram: 1. Bottle stopper piercing needle; 2. Contact assembly; 201. Fixing block; 202. Connecting hole; 203. Through groove; 204. Rotating shaft; 205. Contact rod; 206. Float; 207. Tension spring; 208. Anti-slip pad; 3. Drip tube; 4. Drip pot; 5. Connecting tube; 6. Medicine filter; 7. Thin infusion tube; 8. Flow rate regulator; 9. U-shaped plate; 10. Slide groove; 11. Sliding block; 12. Threaded hole one; 13. Threaded hole two; 14. Threaded rod; 15. Knob; 16. Support rod; 17. Clamping buckle; 18. Semiconductor heating element; 19. Infusion bottle. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] Reference Figure 1 - Figure 4This embodiment provides an internal fixation device for preventing dislodgement of an infusion set, including a stopper piercing needle 1 and a contact assembly 2. The contact assembly 2 is disposed on the side surface of the stopper piercing needle 1. The contact assembly 2 includes a fixing block 201, which is sleeved on the side surface of the stopper piercing needle 1. The fixing block 201 has a connecting hole 202 and a through groove 203 inside. A rotating shaft 204 is fixedly connected to one side of the inner wall of the through groove 203. A contact rod 205 is rotatably connected to the side surface of the rotating shaft 204. A float 206 is fixedly connected to the other side of the rod 205. A tension spring 207 is fixedly connected to one side of the float 206. The tension spring 207 is fixedly connected to the inner wall of the through groove 203. An anti-slip pad 208 is fixedly connected to one side of the contact rod 205. A drip tube 3 is fixedly connected to the bottom of the bottle stopper piercing needle 1. A drip pot 4 is fixedly connected to the bottom of the drip tube 3. A connecting tube 5 is fixedly connected to the bottom of the drip pot 4. A medicine filter 6 is fixedly connected to the top of the connecting tube 5. A thin infusion tube 7 is fixedly connected to the top of the medicine filter 6. A flow rate regulator 8 is movably sleeved on the side surface of the connecting tube 5. During use, the stopper piercing needle 1 is inserted into the stopper of the infusion bottle 19 to achieve initial communication of the medication. After the stopper piercing needle 1 is inserted into the infusion bottle 19, the float 206 floats upward due to the influence of the medication inside the bottle. As the float 206 floats upward, it drives the contact rod 205 to rotate outward on the rotating shaft 204, causing the anti-slip pad 208 to press tightly against the inner wall of the infusion bottle 19, increasing the contact surface between the infusion set needle and the inside of the infusion bottle 19. At this time, the tension spring 207 is in a state of tension. In the stretched state, after the medication is finished, the float 206 is no longer affected by buoyancy, and the tension spring 207 resets the float 206, making it convenient for medical staff to remove the bottle stopper piercing needle 1. The drip tube 3, which is fixedly connected to the bottom of the bottle stopper piercing needle 1, introduces the medication into the drip chamber 4. The drip chamber 4 is used to observe the flow rate and remaining amount of the medication. Subsequently, the medication enters the medication filter 6 through the connecting tube 5. After filtering out impurities, it is delivered to the patient through the thin infusion tube 7. The flow rate regulator 8 can adjust the flow rate of the medication to meet different treatment needs.

[0028] Example 2

[0029] Reference Figure 1 - Figure 6This embodiment is based on the previous embodiment, but differs in that a U-shaped plate 9 is movably connected to the side surface of the connecting pipe 5. A groove 10 is formed on one side of the inner wall of the U-shaped plate 9, and a slider 11 is slidably connected inside the groove 10. A threaded hole 12 is formed on the other side of the U-shaped plate 9, and a threaded hole 13 is formed inside the slider 11. A threaded rod 14 is threadedly connected inside the threaded hole 13. A knob 15 is fixedly connected to one side of the threaded rod 14. A support rod 16 is fixedly connected to the other side of the slider 11, and a clamping buckle 17 is fixedly connected to the other side of the support rod 16. A semiconductor heating element 18 is fixedly connected to the other side of the inner wall of the U-shaped plate 9. The top of the bottle stopper piercing needle 1 is movably connected to the infusion bottle 19. When performing infusion in winter, medical staff can rotate the knob 15 to unscrew the threaded rod 14 from the threaded hole 12 and the threaded hole 2 13, releasing the limit on the slider 11. Then, the slider 11 is pushed to slide in the slide groove 10. The slider 11 drives the clamping buckle 17 to move synchronously through the support rod 16, so that the clamping buckle 17 clamps the connecting tube 5. Then, the threaded rod 14 is tightened into the threaded hole 12 and the threaded hole 2 13, so that the U-shaped plate 9 is connected to the connecting tube 5. The semiconductor heating element 18 can heat the medicine as needed to maintain the appropriate temperature of the medicine during the delivery process and improve the patient's comfort.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fall-preventing infusion set fixing device inside a bottle, comprising a bottle plug piercing needle (1) and a contact assembly (2), characterized in that, The contact assembly (2) is arranged on the side surface of the bottle plug piercing needle (1), the contact assembly (2) comprises a fixed block (201), the fixed block (201) is sleeved on the side surface of the bottle plug piercing needle (1), the inside of the fixed block (201) is provided with a connecting hole (202), the inside is provided with a through groove (203), one side of the inner wall of the through groove (203) is fixedly connected with a rotating shaft (204), the side surface of the rotating shaft (204) is rotatably connected with a contact rod (205), the other side of the contact rod (205) is fixedly connected with a floating block (206), one side of the floating block (206) is fixedly connected with a tension spring (207), the tension spring (207) is fixedly connected with the inner wall of the through groove (203), one side of the contact rod (205) is fixedly connected with a non-slip pad (208).

2. The anti-dislodgement infusion set securing device of claim 1, wherein, The bottom of the bottle plug piercing needle (1) is fixedly connected with a drip pipe (3), the bottom of the drip pipe (3) is fixedly connected with a drip pot (4), the bottom of the drip pot (4) is fixedly connected with a connecting pipe (5).

3. The anti-dislodgement infusion set securing device of claim 2, wherein: The top of the connecting pipe (5) is fixedly connected with a liquid medicine filter (6), the top of the liquid medicine filter (6) is fixedly connected with a fine infusion pipe (7), and the side surface of the connecting pipe (5) movably sleeved with a flow rate regulator (8).

4. The anti-dislodgement infusion set securing device of claim 1, wherein: The side surface of the connecting pipe (5) movably connected with a U-shaped plate (9), one side of the inner wall of the U-shaped plate (9) is provided with a sliding groove (10), and the inside of the sliding groove (10) is slidably connected with a sliding block (11).

5. The anti-dislodgement infusion set securing device of claim 4, wherein: The other side of the U-shaped plate (9) is provided with a threaded hole (12), and the inside of the sliding block (11) is provided with a threaded hole (13).

6. The anti-dislodgement infusion set securing device of claim 5, wherein, The inside of the threaded hole (13) is threadedly connected with a threaded rod (14), one side of the threaded rod (14) is fixedly connected with a knob (15).

7. The anti-dislodgement infusion set securing device of claim 4, wherein: The other side of the sliding block (11) is fixedly connected with a supporting rod (16), and the other side of the supporting rod (16) is fixedly connected with a clamping buckle (17).

8. The anti-dislodgement infusion set securing device of claim 4, wherein: The other side of the inner wall of the U-shaped plate (9) is fixedly connected with a semiconductor heating sheet (18), and the top of the bottle plug piercing needle (1) is movably connected with an infusion bottle (19).