Nutrition infusion pipeline for pump

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a nutrition infusion pipeline for a pump, which comprises a main infusion tube, an auxiliary dosing tube, a drip cup, a flow regulator and a liquid outlet connector, the nutrition pump is used for driving liquid in the main infusion tube to flow from an inlet end to an outlet end, one end of the auxiliary dosing tube is a dosing port, and the other end of the auxiliary dosing tube is a drip cup. A one-way valve which only allows the liquid medicine to flow to the medicine outlet from the medicine adding opening and forbids the liquid medicine to flow reversely is mounted on the auxiliary medicine adding pipe; the auxiliary dosing pipe adopts an anti-backflow structure, in the using process, a medical worker can directly open the dosing port for dosing without stopping a pump, no liquid overflows, the situation that the medical worker starts the pump again or forgets to start the pump when dosing is carried out under the condition that the pump is stopped can be avoided, clinical operation of the medical worker can be greatly reduced, and the working efficiency of the medical worker is improved. The dosing is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and in particular relates to a nutrition infusion pipeline for a pump. Background Art

[0002] Pump-type nutrition infusion tubing is a sterile, disposable, dedicated consumable designed for use with a nutrition pump. It's the most commonly used type of nutrition tube, offering single- or dual-channel inlet and single-channel outlet. The inlet port can be filled with liquid or connected to a liquid container. The middle section is mounted on the nutrition pump, and the outlet at the end connects to the gastrointestinal tube, delivering liquid to the patient through the tubing.

[0003] During the infusion process of the existing pump-based nutrition infusion pipeline, medical staff need to add liquid medicine through the dosing port according to clinical needs. Previously, the pump was stopped for adding liquid medicine. Because when the dosing port was directly opened to add liquid medicine without stopping the pump, the nutrition liquid would overflow from the dosing port under the action of the nutrition pump when the dosing port cover was opened, resulting in nutrition waste and troublesome cleaning. However, stopping the pump for adding liquid medicine reduces work efficiency, and medical staff are prone to forget to start the pump again for nutrition infusion when they are busy. Utility Model Content

[0004] The technical problem to be solved by the present invention is: in order to solve the problem that in the prior art the pump has to be stopped to add liquid when injecting liquid medicine, which reduces work efficiency, and medical staff are prone to forget to start the pump again for nutrient infusion when they are busy, a nutrient infusion pipeline for a pump is now provided.

[0005] In order to solve the above technical problems, the technical solution adopted is: a pump nutrition infusion pipeline, which is used to communicate with a nutrition container storing nutrient solution and is installed on a nutrition pump to drive the flow of liquid inside the nutrition infusion pipeline, and the nutrition infusion pipeline includes:

[0006] A main infusion tube, one end of which is an inlet end connected to the nutrition container, and the other end is an outlet end, and the nutrition pump is used to drive the liquid in the main infusion tube to flow from the inlet end to the outlet end;

[0007] An auxiliary dosing tube, one end of which is a dosing port and the other end is a drug outlet connected to the main infusion tube, and the auxiliary dosing tube is equipped with a one-way valve that only allows liquid to flow from the dosing port to the drug outlet and prohibits liquid from flowing in the opposite direction;

[0008] A drip pot, which is arranged on the main infusion tube;

[0009] a flow regulator, which is provided on the main infusion tube and is used to adjust the liquid flow;

[0010] And a liquid outlet connector, which is arranged at the outlet end of the main infusion tube.

[0011] Furthermore, the one-way valve includes a valve body having a valve cavity, and the end of the valve cavity close to the dosing port is a liquid inlet channel, and the end away from the dosing port is a liquid outlet channel, and a diaphragm and a valve seat cooperating with the diaphragm are installed in the valve cavity. When the liquid flows from the inlet channel to the outlet channel, the diaphragm is separated from the valve seat to connect the inlet channel and the outlet channel. When the liquid flows from the outlet channel to the inlet channel, the diaphragm is fitted with the valve seat to disconnect the inlet channel and the outlet channel.

[0012] Furthermore, the upper cover of the dosing port is provided with a protective cap, and a connecting sleeve is provided between the protective cap and the auxiliary dosing tube.

[0013] Furthermore, the auxiliary dosing tube is a three-way tube, which is arranged in the middle of the main infusion tube to divide the main infusion tube into an upper tube body and a lower tube body. The first outlet and the second outlet of the three-way tube are respectively connected to the upper tube body and the lower tube body, and the third outlet of the three-way tube is the above-mentioned dosing port.

[0014] Furthermore, a magnetic ring is provided at the lower end of the drip pot.

[0015] Furthermore, the main infusion tube includes a peristaltic tube for connecting to a nutrition pump, and the peristaltic tube is arranged around the outer circumference of a roller of the nutrition pump so as to drive the flow of liquid inside the peristaltic tube through the rotation of the roller.

[0016] Furthermore, the peristaltic tube is made of silicone, and one end of the peristaltic tube is connected to the drip pot, and the other end is connected to the main infusion tube through a connector.

[0017] Furthermore, the dosing port is provided with a female Luer connector or an Enfit male connector.

[0018] Furthermore, a label is hung on the main infusion tube.

[0019] Furthermore, the liquid outlet connector is an Enfit connector.

[0020] The beneficial effects of the present invention are as follows: the auxiliary dosing tube of the present invention adopts an anti-backflow structure. During use, medical staff can directly open the dosing port to add medicine without stopping the pump without liquid spillage, which can avoid the medical staff starting the pump again or forgetting to start the pump when adding medicine when the pump is stopped, which can greatly reduce the clinical operations of medical staff and facilitate medicine addition.

[0021] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 It is a structural diagram of the utility model;

[0024] Figure 2 is the structure diagram of the auxiliary medicine adding pipe and the one-way valve;

[0025] Figure 3 is the structure diagram of the nutrition pump;

[0026] in the figure:

[0027] 1, the nutrition container; 2, the main infusion pipe; 201, the upper pipe body; 202, the lower pipe body; 203, the peristaltic pipe; 3, the flow regulator; 4, the label; 5, the dropper; 6, the magnetic ring; 7, the connector; 8, the auxiliary medicine adding pipe; 801, the medicine adding port; 9, the one-way valve; 901, the valve body; 902, the valve cavity; 903, the diaphragm; 904, the liquid inlet flow channel; 905, the liquid outlet flow channel; 906, the valve seat; 10, the liquid outlet connector; 11, the protective cap; 12, the connecting sleeve; 13, the nutrition pump; 1301, the roller; 1302, the pump body; 1303, the containing groove; 1304, the groove cover. DETAILED DESCRIPTION

[0028] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so it only shows the structure related to the utility model, and the direction and reference (such as up, down, left, right, etc.) can be only used to help the description of the features in the drawings. Therefore, the following specific embodiments are not in the sense of limitation, and the scope of the claimed subject matter is only defined by the appended claims and their equivalents.

[0029] As shown in the figure, a pump nutrition infusion pipeline is used to communicate with a nutrition container 1 storing a nutrient solution, the nutrition container 1 can be a soft bag body or a hard bottle body, and the nutrition container 1 can be fixedly connected with the nutrition infusion pipeline to form an integrated structure, or the nutrition container 1 can be detachably connected with the nutrition infusion pipeline through clamping or screwing, and the nutrition infusion pipeline is installed on a nutrition pump 13 to drive the internal liquid of the nutrition infusion pipeline to flow, and the nutrition infusion pipeline comprises: Figure 1 A main infusion pipe 2, one end of which is an inlet end communicating with the nutrition container 1, and the other end is an outlet end, and the nutrition pump 13 is used to drive the internal liquid of the main infusion pipe 2 to flow from the inlet end to the outlet end;

[0030] An auxiliary medicine adding pipe 8, one end of which is a medicine adding port 801, and the other end is a medicine outlet port communicating with the main infusion pipe 2, and the main infusion pipe 2 and the auxiliary medicine adding pipe 8 form a T-shaped or Y-shaped structure, and a one-way valve 9 allowing liquid to flow only from the medicine adding port 801 to the medicine outlet port is installed on the auxiliary medicine adding pipe 8, so as to prevent liquid backflow;

[0031] ​

[0032] A drip pot 5, which is provided on the main infusion tube 2 and can be used to observe the liquid flow rate;

[0033] A flow regulator 3, which is provided on the main infusion tube 2 and is used to adjust the liquid flow;

[0034] And a liquid outlet connector 10, which is provided at the outlet end of the main infusion tube 2, which is an Enfit connector for connecting a nasogastric (intestinal) tube.

[0035] During nutritional infusion, the main infusion tube 2 can be used alone. At this time, the liquid enters the inlet end of the main infusion tube 2 from the nutritional container 1, and enters the patient's body in sequence through the flow regulator 3, the drip pot 5 and the liquid outlet connector 10 under the driving action of the nutritional pump 13; when additional liquid is needed, the protective cap 11 on the dosing port 801 is opened, and the dosing mechanism is connected to the dosing port 801. Due to the presence of the one-way valve 9, the liquid will not overflow from the dosing port 801 under the pressure of the nutritional pump 13, thereby avoiding liquid reflux, achieving non-stop pumping and dosing, improving work efficiency, and avoiding the situation of forgetting to start the pump after stopping the pump.

[0036] In some examples, the one-way valve 9 includes a valve body 901 having a valve cavity 902, and the valve body 901 includes an upper valve body having an upper valve cavity and a lower valve body having a lower valve cavity. The upper valve cavity 902 and the lower valve cavity 902 are enclosed to form an integral valve cavity 902. The end of the valve cavity 902 close to the dosing port 801 is a liquid inlet channel 904, and the end away from the dosing port 801 is a liquid outlet channel 905, and a diaphragm 9 is installed in the valve cavity 902. 03 and the valve seat 906 that cooperates with the diaphragm 903. When the liquid flows from the liquid inlet channel 904 to the liquid outlet channel 905, the diaphragm 903 and the valve seat 906 are separated to connect the liquid inlet channel 904 with the liquid outlet channel 905. At this time, the one-way valve 9 is opened. When the liquid flows from the liquid outlet channel 905 to the liquid inlet channel 904, the diaphragm 903 and the valve seat 906 are fitted to disconnect the liquid inlet channel 904 from the liquid outlet channel 905. At this time, the one-way valve 9 is closed.

[0037] In some examples, the dosing port 801 is covered with a protective cap 11, and a connecting sleeve 12 is provided between the protective cap 11 and the auxiliary dosing tube 8 to prevent the protective cap 11 from being lost; the protective cap 11 is opened, and the dosing port 801 is connected to the dosing mechanism to add liquid medicine. After filling, the protective cap 11 is covered. The protective cap 11 and the dosing port 801 can be spirally connected, and the outer wall of the protective cap 11 is provided with several anti-slip protrusions arranged at intervals along its circumference to increase friction and facilitate tightening or loosening it.

[0038] In some examples, the auxiliary dosing tube 8 is a three-way tube, which is arranged in the middle of the main infusion tube 2 to divide the main infusion tube 2 into an upper tube body 201 and a lower tube body 202. The first outlet and the second outlet of the three-way tube are respectively connected to the upper tube body 201 and the lower tube body 202, and the third outlet of the three-way tube is the above-mentioned dosing port 801.

[0039] In some examples, a magnetic ring 6 is provided at the lower end of the drip pot 5. The magnetic ring 6 is a ring-shaped magnetic conductor that can be used to resist external interference. It has a high inhibitory effect on high-frequency noise and can greatly reduce the impact of external noise during infusion.

[0040] In some examples, the main infusion tube 2 includes a peristaltic tube 203 for connecting to the nutrient pump 13, and the peristaltic tube 203 is arranged around the outer circumference of the roller 1301 of the nutrient pump 13 to drive the flow of liquid inside the peristaltic tube 203 through the rotation of the roller 1301. Both ends of the peristaltic tube 203 extend in the same direction to form a U-shaped structure. The pump body 1302 of the nutrient pump 13 is provided with a receiving groove 1303 for accommodating the peristaltic tube 203 and a groove cover 1304 provided above the receiving groove 1303 to limit the peristaltic tube 203. The peristaltic tube 203 is confined between the two to prevent the peristaltic tube 203 from being unexpectedly separated from the pump body 1302, and to maintain the connection between the peristaltic tube 203 and the roller 1301, thereby ensuring the normal use of the nutrient pump 13.

[0041] In some examples, the peristaltic tube 203 can be made of silicone or non-silicone material. When silicone material is selected, one end thereof is connected to the drip pot 5, and the other end is connected to the main infusion tube 2 through the connector 7. The main infusion tube 2 is made of PVC and does not contain plasticizer.

[0042] In some examples, the dosing port 801 is provided with a female Luer connector or an Enfit male connector to achieve a quick and reliable connection with a dosing mechanism, which may be, but is not limited to, a syringe.

[0043] In some examples, a label 4 is hung on the main infusion tube 2, and a warning message is set on the label 4. The usage time of the infusion tube can be filled in to facilitate medical staff to replace it in time and avoid cross contamination.

[0044] Working principle:

[0045] During nutritional infusion, the main infusion tube 2 can be used alone. At this time, the dosing port 801 of the auxiliary dosing tube 8 is covered with a protective cap 11. The liquid enters the inlet end of the main infusion tube 2 from the nutritional container 1, and enters the patient's body through the flow regulator 3, the drip pot 5 and the liquid outlet connector 10 in sequence under the driving action of the nutritional pump 13; when additional liquid is needed, the protective cap 11 on the dosing port 801 is opened, and the dosing mechanism is connected to the dosing port 801. The liquid enters the main infusion tube 2 from the dosing port 801 through the liquid inlet channel 904 and the liquid outlet channel 905, and enters the patient's body through the liquid outlet connector 10 under the driving action of the nutritional pump 13. Due to the presence of the one-way valve 9, the liquid will not overflow from the dosing port 801 under the pressure of the nutritional pump 13 during the process of opening the protective cap 11, thereby achieving non-stop pumping and dosing.

[0046] The above-described preferred embodiments of the present invention are intended as a guide. Based on the above description, relevant personnel are fully capable of making various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the contents of the specification and must be determined according to the scope of the claims.

Claims

1. A nutrient infusion line for a pump, which is used to communicate with a nutrient container (1) storing nutrient solution and is installed on a nutrient pump (13) to drive the flow of liquid inside the nutrient infusion line, characterized in that: The nutrition infusion circuit includes: A main infusion tube (2), one end of which is an inlet end connected to the nutrition container (1), and the other end is an outlet end, and the nutrition pump (13) is used to drive the liquid inside the main infusion tube (2) to flow from the inlet end to the outlet end; An auxiliary dosing tube (8) having a dosing port (801) at one end and a drug outlet connected to the main infusion tube (2) at the other end, and a one-way valve (9) installed on the auxiliary dosing tube (8) that only allows liquid to flow from the dosing port (801) to the drug outlet and prohibits reverse flow of the liquid; a drip pot (5), which is arranged on the main infusion tube (2); a flow regulator (3), which is arranged on the main infusion tube (2) and is used to regulate the flow of liquid; and a liquid outlet connector (10), which is arranged at the outlet end of the main infusion tube (2).

2. A nutrient infusion circuit for a pump according to claim 1, characterized in that: The one-way valve (9) includes a valve body (901) having a valve cavity (902), wherein one end of the valve cavity (902) close to the dosing port (801) is a liquid inlet channel (904), and one end away from the dosing port (801) is a liquid outlet channel (905), and a diaphragm (903) and a valve seat (906) matched with the diaphragm (903) are installed in the valve cavity (902). When liquid flows from the liquid inlet channel (904) to the liquid outlet channel (905), the diaphragm (903) and the valve seat (906) are separated to connect the liquid inlet channel (904) with the liquid outlet channel (905). When liquid flows from the liquid outlet channel (905) to the liquid inlet channel (904), the diaphragm (903) and the valve seat (906) are fitted to disconnect the liquid inlet channel (904) from the liquid outlet channel (905).

3. A nutrient infusion circuit for a pump according to claim 1, characterized in that: The dosing port (801) is covered with a protective cap (11), and a connecting sleeve (12) is provided between the protective cap (11) and the auxiliary dosing pipe (8).

4. A nutrient infusion circuit for a pump according to claim 1, characterized in that: The auxiliary dosing tube (8) is a three-way tube, which is arranged in the middle of the main infusion tube (2) to divide the main infusion tube (2) into an upper tube body (201) and a lower tube body (202). The first outlet and the second outlet of the three-way tube are respectively connected to the upper tube body (201) and the lower tube body (202). The third outlet of the three-way tube is the above-mentioned dosing port (801).

5. A nutrient infusion circuit for a pump according to claim 1, characterized in that: The lower end of the drip pot (5) is provided with a magnetic ring (6).

6. A nutrient infusion circuit for a pump according to claim 1, characterized in that: The main infusion tube (2) comprises a peristaltic tube (203) for connecting to a nutrition pump (13). The peristaltic tube (203) is arranged around the outer periphery of a roller (1301) of the nutrition pump (13) so as to drive the flow of liquid inside the peristaltic tube (203) through the rotation of the roller (1301).

7. A nutrient infusion circuit for a pump according to claim 6, characterized in that: The peristaltic tube (203) is made of silica gel, and one end thereof is connected to the drip pot (5), and the other end is connected to the main infusion tube (2) via a connector (7).

8. The nutrient infusion circuit for a pump according to claim 1, characterized in that: The drug addition port (801) is provided with a female Luer connector or an Enfit male connector.

9. The nutrient infusion circuit for a pump according to claim 1, characterized in that: A label (4) is hung on the main infusion tube (2).

10. The nutrient infusion circuit for a pump according to claim 1, characterized in that: The liquid outlet connector (10) is an Enfit connector.

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