CN111150662A

CN111150662A - Enteral nutrition pump

Info

Publication number: CN111150662A
Application number: CN202010151727.5A
Authority: CN
Inventors: 杨金招; 李家仁; 熊建华
Original assignee: Wenzhou Peoples Hospital
Current assignee: Wenzhou Peoples Hospital
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-05-15

Abstract

The invention discloses an enteral nutrition pump, which mainly comprises a machine shell and a peristaltic pump, wherein a liquid storage bin and a heating constant-temperature bin are arranged on the machine shell, a nutrient solution mixing tank and a constant-temperature heating device are respectively and correspondingly arranged on the liquid storage bin and the heating constant-temperature bin, the nutrient solution mixing tank and the constant-temperature heating device are connected through a liquid conveying pipe, a liquid discharging pipe is connected onto the constant-temperature heating device, the peristaltic pump is arranged on the liquid discharging pipe, and a flow speed limiter is arranged on the exposed liquid discharging pipe; the front surface of the shell is provided with a display and a control key, the display and the control key are both connected with a PLC (programmable logic controller), and the PLC is connected with a constant-temperature heating device. The invention can realize that the nutrient solution in the intestine of the nutrient pump is heated to a proper temperature in the using process, thereby reducing adverse reaction to patients.

Description

Enteral nutrition pump

Technical Field

The invention relates to the technical field of medical instruments, in particular to an enteral nutrition pump.

Background

It is known that enteral nutrition means a method of supplying nutrients required by a patient by injecting some nutrient solution which can be absorbed only by chemical digestion or without digestion into the gastrointestinal tract of the patient through a digestive tract catheter or a stoma, and is a simple, safe and effective nutrition supply method, and plays an increasingly important role in clinical nutrition support. Wherein the enteral nutrition pump is a nutritional infusion pump for nasal feeding. Water, nutrient solution and self-made rice milk with certain concentration can be input through a nasal feeding tube. For the patient can nurse at home, there is the portable enteral nutrition pump that is suitable for domestic use in the existing market, and its major structure is: the nutrition bottle fixing device comprises a shell, wherein an operation panel for displaying and man-machine interaction is arranged on the shell, a control device, a peristaltic pump and a conveying pipe assembly are arranged in the shell, a nutrition bottle fixing bin is further arranged in the shell, and the nutrition bottle is arranged in the nutrition bottle fixing bin in a replaceable mode. The working principle is that the nutrient solution bottle is connected with a liquid inlet pipe joint of the conveying pipe assembly, and the peristaltic pump extrudes the rubber pipe to directionally and quantitatively provide nutrient solution for the intestines and stomach of the human body. However, the existing enteral nutrition pump cannot automatically wash the pipeline, and the pipeline washing operation is carried out in a mode that manual work is injected from the liquid inlet through the injector after the machine is stopped, so that the defect of inconvenient operation exists.

Then the chinese utility model patent is granted No. CN209236897U, the disclosed nutrition pump in portable intestines, which comprises a housin, a control device, peristaltic pump and delivery tube subassembly, it places the storehouse to be equipped with the nutrition bottle in the casing, delivery tube subassembly includes the conveyer pipe, the conveyer pipe middle part is passed the peristaltic pump and is realized the peristaltic pump and extrude the conveyer pipe, still be equipped with the washing liquid bottle in the casing and place the storehouse, demountable installation has the washing liquid storage bottle in the storehouse is placed to the washing liquid, the conveyer pipe is including taking the liquid outlet and the main line section of middle part through the peristaltic pump, it is connected with two-position three-way switching valve to be responsible for another port relative with the liquid outlet in the section, first branch pipe and second branch pipe are connected respectively to two other ports of two-position three-way switching valve, first branch pipe is established for the other end of being connected one end with two-position three-way switching valve and is connected And (4) a joint. Has the function of automatically flushing the pipeline, and is more convenient to use. The enteral nutrient solution is known to reduce adverse reactions when heated to about 38 ℃, but the nutrient solution in the existing nutrient pump cannot be heated and kept to 38 ℃ in the using process, so that the enteral nutrient solution is not easy to be absorbed by patients, and gastrointestinal complications of the patients are easy to occur. There is therefore a need for improvements in the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the enteral nutrition pump which is reasonable in design and can heat the enteral nutrition liquid in the nutrition pump to about 38 ℃ in the using process, so that adverse reactions to patients can be reduced.

In order to achieve the purpose, the invention adopts the technical scheme that:

an enteral nutrition pump mainly comprises a casing and a peristaltic pump, wherein a liquid storage bin and a heating constant-temperature bin are arranged on the casing, a nutrient solution mixing tank and a constant-temperature heating device are respectively and correspondingly arranged on the liquid storage bin and the heating constant-temperature bin, the nutrient solution mixing tank and the constant-temperature heating device are connected through a liquid conveying pipe, a liquid discharging pipe is connected onto the constant-temperature heating device, the peristaltic pump is arranged on the liquid discharging pipe, and a flow speed limiter is arranged on the exposed liquid discharging pipe; the front surface of the shell is provided with a display and a control key, the display and the control key are both connected with a PLC (programmable logic controller), and the PLC is connected with a constant-temperature heating device.

The constant-temperature heating device comprises a transfusion thermos bottle and a constant-temperature heater; the constant temperature heating ware is installed in the infusion thermos, constant temperature heating ware is connected with the PLC controller, install temperature sensor in the infusion thermos, temperature sensor is connected with through the wire the PLC controller, constant temperature heating ware heats the infusion thermos to constant temperature, and the temperature process in the infusion thermos is gathered to temperature sensor the PLC controller handles the back and shows in real time on the display, and the temperature is less than in the infusion thermos the temperature notice is preset to the PLC controller constant temperature heating ware heats and keeps warm. It is through in will nutrient solution among the nutrient solution blending tank transports the infusion thermos, then passes through the constant temperature heating ware heating at the infusion thermos to the heating keeps invariable temperature, and can pass through the PLC controller with the real-time temperature in the infusion thermos and handle, shows in real time at the display, so that people can know in real time, because heat and keep through the constant temperature heating ware in the infusion thermos, its specific is: the temperature of the infusion thermos bottle is collected in real time through the temperature sensor, when the temperature in the infusion thermos bottle is lower than the preset temperature of the PLC, the PLC informs the constant temperature heater to heat the nutrient solution, so that the absorption of a patient is not facilitated, and gastrointestinal complications of the patient are easily caused.

The preset temperature of the PLC is 37-39 ℃, and is preferably 38 ℃. The adverse reaction can be reduced when the enteral nutrient solution is heated to about 38 ℃, so that the adverse reaction can be reduced when the temperature is preset to 38 ℃ by the PLC, and the enteral nutrient solution is more suitable for patients.

The constant temperature heater heats the infusion thermos bottle to a constant temperature of 38 ℃. The adverse reaction can be reduced when the enteral nutrient solution is heated to about 38 ℃, so that the adverse reaction can be reduced when the temperature is preset to 38 ℃ by the PLC, and the enteral nutrient solution is more suitable for patients.

The liquid discharge pipe is connected with a nasogastric tube connector, and the nasogastric tube connector is connected with a nasogastric tube. The nasogastric tube is more convenient for the patient to absorb and more convenient for people to use. The liquid discharge pipe is sleeved with a sleeve, an infrared temperature measuring sensor is arranged in the liquid outlet direction of the sleeve and connected with the PLC, and a heat insulation layer is arranged between the liquid discharge pipe and the sleeve. Set up heat preservation and infrared temperature sensor through the fluid-discharge tube, be favorable to gathering the temperature of the nutrient solution of last output, also can carry out temperature heat preservation through the output liquid of heat preservation in to the fluid-discharge tube to can maintain the temperature of fluid-discharge tube, avoid the temperature to descend, reduce patient's adverse reaction.

The heat preservation layer is a water bag layer, an electric heating wire is installed in the water bag layer, and the electric heating wire is connected with the PLC. It controls the heating on water bag layer through the PLC controller, makes things convenient for the heating more.

The temperature of the heat-insulating layer is 39 ℃. Because the heat preservation layer is not mixed with the fluid-discharge tube together, the temperature of heat preservation layer is a little higher than predetermineeing the temperature in the fluid-discharge tube during the heating, is favorable to maintaining the nutrient solution about 38 ℃ in the fluid-discharge tube like this more.

And the liquid storage bin is provided with a clamping device which clamps the nutrient solution mixing tank. The clamping device is more beneficial to facilitating the disassembly and the assembly of the nutrient solution mixing tank.

The clamping device comprises an upper clamping hoop and a lower clamping hoop, the upper clamping hoop and the lower clamping hoop are connected into a whole through a connecting rod, the upper clamping hoop and the lower clamping hoop respectively comprise a first semicircular side plate and a second semicircular side plate, one ends of the first semicircular side plate and one ends of the second semicircular side plate are connected through a fixing block, the fixing block is fixedly connected onto the connecting rod, and the other ends of the first semicircular side plate and the second semicircular side plate are locked through a screw rod. The clamping device is characterized in that the upper clamping hoop and the lower clamping hoop are connected into a whole through the connecting rod, and the clamping device is reasonable in design, simple in structure and convenient to manufacture. And the other ends of the first semicircular side plate and the second semicircular side plate are locked through a screw rod, so that the nutrient solution mixing tank can be locked conveniently by the operation of people.

The upper end of the upper clamping hoop is provided with a plurality of slots, and the slots are provided with arc-shaped clamping rods. The slot is generally three to through install arc clamping rod on the slot, it is favorable to grasping the nutrient solution blending tank to a certain extent, avoids dropping.

The lower part of the lower clamp is connected with a fixed frame which is woven by ropes. Thereby make and can firmly entangle the nutrient solution blending tank through fixed frame, be favorable to avoiding the nutrient solution blending tank to drop.

Install the guide rail groove on the connecting rod, the guide rail groove connection has the guide rail, the guide rail is installed in the stock solution storehouse, the guide rail groove pass through the bolt with guide rail fixed connection. The connecting rod can move back and forth on the guide rail, so that the nutrient solution mixing tank can be driven to move back and forth, the position can be adjusted conveniently, and the nutrient solution mixing tank can be connected with the infusion thermos bottle more conveniently.

The back of the machine shell is provided with an installation rod with a length capable of stretching, the lower portion of the installation rod is provided with a fixed seat, and the fixed seat is provided with a sucker. The height of the installation rod can be conveniently adjusted, the height required by a suitable patient can be conveniently adjusted, and the patient can absorb the installation rod more conveniently.

The back of the machine shell is provided with a mounting rod groove, a baffle spans the mounting rod groove, and the baffle and the mounting rod are fixedly locked through screws. The installation and the dismantlement of pole are installed to the convenience more.

The control keys comprise an on/off key, an accumulation key, a shortcut key, a clear key, a start/stop key, a preset key, a temperature increase key and a temperature decrease key, and the on/off key, the accumulation key, the shortcut key, the clear key, the start/stop key, the preset key, the temperature increase key and the temperature decrease key are respectively connected with the PLC. Can be manually adjusted through the control key, and is more convenient for people to operate and use.

The invention has the beneficial effects that: the nutrient solution mixing tank is connected with the constant-temperature heating device through a liquid conveying pipe, and nutrient solution in the nutrient solution mixing tank is conveyed to the constant-temperature heating device for heating and heat preservation, so that the nutrient solution can be better heated to the temperature of a proper patient, adverse reactions of the patient can be reduced, the proper temperature is preset through a PLC (programmable logic controller) and can be manually adjusted through a control key, the proper temperature is 38 ℃, the adverse reactions can be reduced at about 38 ℃, and the adverse reactions of the patient can occur at more than or less than 38 ℃; the casing openly is provided with display and control key, the display with the control key all is connected with the PLC controller, the PLC controller is connected with constant temperature heating device, is convenient for can know its inside temperature in real time, and it is more convenient to adjust.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the constant temperature heating apparatus of the present invention.

Fig. 4 is a schematic view of a drain structure according to the present invention.

Fig. 5 is a schematic structural view of the clamping device of the present invention.

FIG. 6 is a schematic view of the upper clampband configuration of the present invention.

FIG. 7 is a schematic view of the lower clampband configuration of the present invention.

FIG. 8 is a schematic view of the arcuate clamping bar of the present invention.

Fig. 9 is a schematic view of the connection of the connecting rod and the guide rail of the present invention.

Fig. 10 is a schematic view of the mounting bar structure of the present invention.

FIG. 11 is a schematic view of the back side mounting bar slot of the housing of the present invention.

Fig. 12 is a schematic front view of the housing of the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1 and 2, an enteral nutrition pump comprises a casing 1 and a peristaltic pump 2, wherein the casing 1 is provided with a liquid storage bin 11 and a heating constant temperature bin 12, the liquid storage bin 11 and the heating constant temperature bin 12 are respectively provided with a nutrient solution mixing tank 3 and a constant temperature heating device 4 correspondingly, the nutrient solution mixing tank 3 and the constant temperature heating device 4 are connected through a liquid conveying pipe 5, the constant temperature heating device 4 is connected with a liquid discharging pipe 6, the peristaltic pump 2 is arranged on the liquid discharging pipe 6, and the exposed liquid discharging pipe 6 is provided with a flow rate limiter 7. The front surface of the machine shell 1 is provided with a display 13 and a control key 14, the display 13 and the control key 14 are both connected with a PLC (programmable logic controller) 8, the PLC 8 is connected with a constant temperature heating device 4, and the preset temperature of the PLC 8 is 37-39 ℃, preferably 38 ℃.

As shown in FIG. 3, the thermostatic heating device 4 includes an infusion thermos 41 and a thermostatic heater 42. The constant temperature heater 42 is arranged in the infusion thermos bottle 41, the constant temperature heater 42 is connected with the PLC 8, and the PLC 8 presets the temperature to be 37-39 ℃, preferably 38 ℃. The temperature sensor 411 is installed in the infusion thermos bottle 41, the temperature sensor 411 is connected with the PLC controller 8 through a lead, the constant temperature heater 42 heats the infusion thermos bottle 41 to a constant temperature of 38 ℃, the temperature collected by the temperature sensor 411 in the infusion thermos bottle 41 is processed by the PLC controller 8 and then displayed on the display 13 in real time, and the temperature in the infusion thermos bottle 41 is lower than the preset temperature of the PLC controller 8 to inform the constant temperature heater 42 to heat and preserve heat. The specific working principle of the constant-temperature heating device is as follows: firstly, nutrient solution is input into the infusion thermos bottle 41, the temperature sensor 411 in the infusion thermos bottle 41 can collect temperature data in real time to the PLC controller 8, the PLC controller 8 is processed and displayed through the display 13, meanwhile, when the temperature in the infusion thermos bottle 41 is lower than a preset value (38 ℃), the PLC controller 8 can inform the constant temperature heater 42 to heat, and when the temperature of the nutrient solution in the infusion thermos bottle 41 is the preset value (38 ℃), manual operation can be carried out through the control key 14, wherein when the temperature of the nutrient solution in the infusion thermos bottle 41 is lower than the preset value (38 ℃), gas can heat, the temperature is maintained at 38 ℃, adverse reactions can be reduced when the temperature of the nutrient solution in the infusion thermos bottle 41 is about 38 ℃, and heating and maintaining of the temperature are the most important.

As shown in fig. 4, a nasogastric tube connector 61 is connected to the liquid discharge tube 6, the nasogastric tube connector 61 is connected to a nasogastric tube 62, a sleeve 63 is sleeved outside the liquid discharge tube 6, an infrared temperature measurement sensor 64 is arranged in the liquid discharge direction of the sleeve 63, the infrared temperature measurement sensor 64 is connected with the PLC controller 8, and a heat preservation layer 65 is arranged between the liquid discharge tube 6 and the sleeve 63. Through can carrying out the grasp of temperature to fluid-discharge tube 6, be favorable to the temperature to maintain in the pipeline, be favorable to more the maintenance of nutrient solution temperature in the fluid-discharge tube 6, be favorable to the patient to absorb, avoid taking place the adverse reaction. The heat-insulating layer 65 is a water bag layer, in which an electric heating wire 651 connected with a PLC controller 8 is installed. The temperature of the insulating layer 65 was 39 ℃. The temperature of the liquid discharge pipe 6 can be maintained by the heat-insulating layer 65, and the heat-insulating layer 65 is reasonable in design and convenient to operate.

The liquid storage bin 11 is provided with a clamping device 111, and the clamping device 111 clamps the nutrient solution mixing tank 3. The clamping device 111 is more beneficial to the installation and the disassembly of the nutrient solution mixing tank 3, and is convenient for people to install and replace. As shown in fig. 5, 6 and 7, the clamping device 111 includes an upper clamping band 112 and a lower clamping band 113, the upper clamping band 112 and the lower clamping band 113 are connected together by a connecting rod 114, the upper clamping band 112 and the lower clamping band 113 each include a first semicircular side plate 115 and a second semicircular side plate 116, one ends of the first semicircular side plate 115 and the second semicircular side plate 116 are connected by a fixing block 117, the fixing block 117 is fixedly connected to the connecting rod 114, and the other ends of the first semicircular side plate 115 and the second semicircular side plate 116 are locked by a screw 118. Since the nutrient solution mixing tank 3 is inverted, the lower clampband 113 may be located at the mouth of the nutrient solution mixing tank 3, and at this time, the upper clampband 112 and the lower clampband 113 may not have the same size. The upper end of the upper clamp 112 is provided with a plurality of slots 1121, each slot 1121 is provided with an arc-shaped clamp rod 1122 (shown in fig. 8), and the plurality of arc-shaped clamp rods 1122 can form a hand-holding type locking nutrient solution mixing tank 3, so that the nutrient solution mixing tank 3 is prevented from falling. Referring to fig. 9, a fixing frame 1131 is connected to a lower portion of the lower clampband 113, and the fixing frame 1131 is formed by weaving a rope. Referring to fig. 8, a guide groove 1141 is installed on the connecting rod 114, the guide groove 1141 is connected with the guide rail 119, the guide rail 119 is installed in the liquid storage 11, and the guide groove 1141 is fixedly connected with the guide rail 119 by a bolt.

Referring to fig. 10 and 11, a mounting rod 9 having a length to extend and contract is disposed on the back surface of the cabinet 1, a fixing seat 91 is disposed at the lower portion of the mounting rod 9, and a suction cup 92 is disposed on the fixing seat 91. The design of the device is favorable for adjusting the height of the mounting rod 9, is convenient for meeting the requirements of patients and is also favorable for being used by people in space. The back of the machine shell 1 is provided with an installation rod groove, a baffle 93 spans the installation rod groove, and the baffle 93 and the installation rod 9 are fixedly locked through screws. The installation and the disassembly of the installation rod 9 and the machine shell 1 are facilitated, and the use of people is facilitated.

Referring to fig. 12, the control keys 14 include an on/off key 141, an accumulation key 142, a shortcut key 143, a clear key 144, an on/off key 145, a preset key 146, a temperature increase key 147, a temperature decrease key 148, and a flow rate control key 149, the on/off key 141, the accumulation key 142, the shortcut key 143, the clear key 144, the on/off key 145, the preset key 146, the temperature increase key 147, and the temperature decrease key 148 are respectively connected to the PLC controller 8, and the peristaltic pump 2 is connected to the PLC controller 8. The control key 14 is beneficial to manual adjustment of people and is convenient to use.

The working principle is as follows: when the device is used and a patient needs to eat nutrient solution, firstly the peristaltic pump 2 is started, the nutrient solution output by the nutrient solution mixing tank 3 is heated and maintained at a proper temperature (38 ℃) by the constant-temperature heating device 4, the peristaltic pump 2 can input the nutrient solution at the proper temperature (38 ℃) into the intestines and stomach of the patient through the liquid discharge pipe 6, and meanwhile, the temperature in the liquid discharge pipe 6 is also heated and maintained when the temperature is lower than the proper temperature (38 ℃). Thus being beneficial to keeping proper temperature (38 ℃) in the whole pipeline and greatly reducing the adverse reaction of patients.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.

Claims

1. An enteral nutrition pump comprising a housing (1) and a peristaltic pump (2), characterized in that: a liquid storage bin (11) and a heating constant-temperature bin (12) are arranged on the machine shell (1), a nutrient solution mixing tank (3) and a constant-temperature heating device (4) are correspondingly arranged on the liquid storage bin (11) and the heating constant-temperature bin (12) respectively, the nutrient solution mixing tank (3) and the constant-temperature heating device (4) are connected through a liquid conveying pipe (5), a liquid discharging pipe (6) is connected onto the constant-temperature heating device (4), a peristaltic pump (2) is arranged on the liquid discharging pipe (6), and a flow speed limiter (7) is arranged on the exposed liquid discharging pipe (6); casing (1) openly is provided with display (13) and control key (14), display (13) with control key (14) all are connected with PLC controller (8), PLC controller (8) are connected with constant temperature heating device (4).

2. An enteral feeding pump according to claim 1, wherein: the constant temperature heating device (4) comprises a transfusion thermos bottle (41) and a constant temperature heater (42); install constant temperature heater (42) in infusion thermos bottle (41), constant temperature heater (42) are connected with PLC controller (8), install temperature sensor (411) in infusion thermos bottle (41), temperature sensor (411) are connected with through the wire PLC controller (8), constant temperature heater (42) heat infusion thermos bottle (41) to constant temperature, gather the temperature process in infusion thermos bottle (41) at temperature sensor (411) real-time demonstration is on display (13) after PLC controller (8) are handled, and the temperature is less than in infusion thermos bottle (41) the notice of temperature is predetermine in PLC controller (8) constant temperature heater (42) heats and keeps warm.

3. An enteral feeding pump according to claim 1 or 2, wherein: the preset temperature of the PLC (8) is 37-39 ℃, and is preferably 38 ℃.

4. An enteral feeding pump according to claim 2, wherein: the constant temperature heater (42) heats the infusion thermos bottle (41) to a constant temperature of 38 ℃.

5. An enteral feeding pump according to claim 1 or 2, wherein: the utility model discloses a medical drainage tube, including drainpipe (6), nasogastric tube connects (61) on the drainpipe (6), nasogastric tube connects (61) connects nasogastric tube (62), drainpipe (6) overcoat has sleeve pipe (63), the play liquid direction of sleeve pipe (63) is provided with infrared temperature measurement sensor (64), infrared temperature measurement sensor (64) are connected with PLC controller (8), be provided with between drainpipe (6) and sleeve pipe (63) heat preservation (65).

6. An enteral feeding pump according to claim 5, wherein: the heat preservation layer (65) is a water bag layer, an electric heating wire (651) is installed in the water bag layer, and the electric heating wire is connected with the PLC (8).

7. An enteral feeding pump according to claim 5, wherein: the temperature of the heat-insulating layer (65) is 39 ℃.

8. An enteral feeding pump according to claim 1, wherein: and a clamping device (111) is installed on the liquid storage bin (11), and the clamping device (111) clamps the nutrient solution mixing tank (3).

9. An enteral feeding pump according to claim 8, wherein: the clamping device (111) comprises an upper clamping hoop (112) and a lower clamping hoop (113), the upper clamping hoop (112) and the lower clamping hoop (113) are connected into a whole through a connecting rod (114), the upper clamping hoop (112) and the lower clamping hoop (113) respectively comprise a first semicircular side plate (115) and a second semicircular side plate (116), one ends of the first semicircular side plate (115) and the second semicircular side plate (116) are connected through a fixing block (117), the fixing block (117) is fixedly connected onto the connecting rod (114), and the other ends of the first semicircular side plate (115) and the second semicircular side plate (116) are locked through a screw rod (118).

10. An enteral feeding pump according to claim 9, wherein: the lower part of lower binding clasp (113) is connected with fixed frame (1131), fixed frame (1131) is woven through the rope and is formed.