CN111467245A

CN111467245A - Medicine feeder for nasal feeding

Info

Publication number: CN111467245A
Application number: CN202010338666.3A
Authority: CN
Inventors: 孙利华; 吴彩英; 孙艳芳; 刘啸妍
Original assignee: Hangzhou Red Cross Hospital
Current assignee: Hangzhou Red Cross Hospital
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-07-31

Abstract

The invention provides a dosing device for nasal feeding, which comprises a cup body, wherein the bottom of the cup body is a control cavity, the middle of the cup body is a placing cavity, the top of the cup body is movably connected with a cup cover, a micro water pump, a micro motor and a microprocessor are arranged in the control cavity, the microprocessor is respectively connected with the micro water pump and the micro motor, a grinding device is arranged in the placing cavity, the grinding device is connected with the micro motor, the micro water pump comprises a water inlet and a water outlet, the bottom surface of the placing cavity is connected with the water inlet through a flow switch, the water outlet is arranged on the side surface of. According to the invention, the medicine is ground into uniform powder through the grinding device, warm water is added into the placing cavity, the medicine and the water are uniformly mixed by the grinding device, the flow switch is turned on, and the medicine in the placing cavity is pumped into the nasogastric tube of the patient through the micro water pump, so that the multi-container transfer is avoided, the medicine pollution chance is reduced, the medicine is clean and sanitary, the practicability is strong, the automatic treatment is realized, the workload of accompanying personnel is reduced, and the time and the labor are saved.

Description

Medicine feeder for nasal feeding

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an administration device for nasal feeding.

Background

Nasal feeding, i.e., nasogastric feeding, is a technique in which a catheter is inserted into the stomach through the nasal cavity, and food, water, and medicine are infused from the inside of the tube to maintain nutritional treatment of a patient. The nasal feeding is mainly suitable for patients who can not take food through mouth, such as oral diseases, oral surgery, esophageal stenosis, esophageal-tracheal fistula, certain postoperative patients or tumor patients; or patients who cannot open their mouths, such as coma, tetanus, premature infants and critically ill patients; or patients refusing to eat.

Most of the conventional methods for drug administration of nasal feeding patients clinically applied at present are that accompanying personnel grind drugs in a drug bag into powder by blunt objects and pour the powder into a container, a certain amount of warm water is added into the container to fully and uniformly mix the powder drugs and the warm water, and the mixture of the drugs and the warm water is extracted by an injector and injected into the stomach of the patient through a nasogastric tube.

The method is time-consuming and labor-consuming, and increases the workload of the accompanying staff when the patient needs to take medicine for many times. And a plurality of containers have to-and-fro circulation, so that the chance of drug pollution is increased, and the medicine is not clean and sanitary. The medicine grinds incompletely, and the medicine is at the container turnover process kind, leads to undissolved medicine active ingredient to lose easily, when great granule medicine gets into the on-body nasogastric tube of patient, leads to the nasogastric tube to block up easily, brings the wound for the patient's health, is unfavorable for the patient to resume.

Disclosure of Invention

The invention aims to provide a medicine feeder, in particular to a clean and sanitary medicine feeder for nasal feeding, which has a simple structure, is convenient to operate, has a grinding device, has a stirring function, is an automatic medicine discharging device, has adjustable medicine discharging speed, and avoids pollution.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a ware of dosing for nasal feeding, includes the cup, the cup bottom is the control chamber, the cup middle part is for placing the chamber, the cup top is through opening and shutting device swing joint bowl cover, be equipped with micro-water pump, micro motor and microprocessor in the control chamber, microprocessor connects respectively micro-water pump with micro motor, it is equipped with the milling device to place the intracavity, the milling device is connected micro motor, micro pump includes water inlet and delivery port, it passes through flow switch and connects to place the chamber bottom surface the water inlet, the delivery port is arranged in the cup side, the delivery port communicates with the nasogastric tube of pegging graft on one's body of patient.

Further, the miniature water pump comprises a water pump shell and an electromagnetic coil, the water outlet is formed in the side face of the water pump shell, the water inlet is formed in the top face of the water pump shell, the electromagnetic coil is installed in the middle of the inside of the water pump shell, a rotor is arranged inside the electromagnetic coil, a permanent magnet is arranged below the rotor, a bearing is arranged below the electromagnetic coil, a rotating shaft is arranged at the lower end of the bearing, an impeller is arranged at the lower end of the rotating shaft, and the electromagnetic coil is connected with the microprocessor respectively.

Furthermore, the grinding device comprises a cutting knife and a main transmission shaft, a shaft through hole is formed in the bottom surface of the placing cavity, the main transmission shaft penetrates through the shaft through hole, the rear end of the main transmission shaft is connected with the micro motor, the front end of the main transmission shaft is arranged in the placing cavity, a knife holder is arranged at the front end of the main transmission shaft and comprises a first knife holder and a second knife holder, the first knife holder and the second knife holder are respectively and uniformly distributed on the upper side, the lower side, the left side and the right side of different layers of the main transmission shaft, the first knife holder is arranged above the second knife holder, and the first knife holder and the second knife holder are parallel to each other in the same direction.

Furthermore, the tool apron is provided with an insertion space for inserting a tool blade, the tool blade is provided with a positioning hole, the tool apron is provided with a fixing hole, the positioning hole is fixedly connected with the fixing hole through a bolt, the tool blade comprises a first tool blade and a second tool blade, the first tool blade is arranged in the first tool apron, and the second tool blade is arranged in the second tool apron.

Furthermore, the knife leaf is L-shaped, a knife tip is arranged at the top of the knife leaf and is V-shaped, the knife tip of the first knife leaf faces the direction of the cup cover, and the knife tip of the second knife leaf faces the direction of the bottom of the cup body.

Furthermore, flow switch includes the axis of rotation, the axis of rotation is the cylinder, be equipped with the thru hole on the outer face of cylinder of axis of rotation, it is equipped with the column recess to place the chamber lower surface, the axis of rotation is arranged in the column recess, it is less than to place chamber lower surface thickness the axis of rotation diameter, the thru hole diameter is less than place chamber minor surface thickness, work as when the thru hole is vertical to be placed, the intercommunication place the chamber with the water inlet intercommunication, work as when the thru hole level is placed, cut off place the chamber with the water inlet.

Furthermore, the flow switch also comprises a rotating handle, and the rotating handle is arranged on one end face of the rotating shaft and is exposed out of the side face of the cup body.

Furthermore, the flow switch is an electric control valve, and the electric control valve is connected with the microprocessor.

Furthermore, the electric control valve comprises a valve body, a partition plate and a valve cover, the valve body is connected with the valve cover through the partition plate, a valve core is arranged between the valve body and the partition plate, a motor is arranged between the partition plate and the valve cover, and the motor is connected with the microprocessor.

Furthermore, the opening and closing device comprises a connecting plate and connecting buckles, the connecting plate is arranged on the periphery of the cup cover, the connecting buckles are arranged on the periphery of the cup body, and the connecting plate is matched with the connecting buckles.

The invention has the advantages and positive effects that:

1. the nasal cavity drug placing device is simple in structure and convenient to operate, drugs are placed into the placing cavity, the drugs are ground into uniform powder through the grinding device, warm water is added into the placing cavity, the drugs and the water are uniformly mixed through the grinding device, the flow switch is turned on, the liquid drug in the placing cavity is pumped into the nasal stomach tube of a patient through the micro water pump, the drugs directly enter the nasal stomach tube of the patient through the placing cavity, the transfer of multiple containers is avoided, the drug pollution probability is reduced, the nasal cavity drug placing device is clean and sanitary, the practicability is high, automatic treatment is achieved, the workload of accompanying personnel is reduced, and time and labor.

2. According to the invention, the cutting knife is of a double-layer structure, and the first blade knife point and the second blade knife point are arranged in two opposite directions, so that the blades cut the medicine at multiple angles, the medicine powder is more uniform, and after warm water is added, the blades form the stirring paddle, so that the medicine powder and the warm water are mixed more fully, the dissolution of active ingredients of the medicine is facilitated, and the absorption of a patient is facilitated.

3. According to the invention, the tool point of the cutting tool is arranged in a V shape, so that the cutting area of the cutting tool is effectively increased, the cutting uniformity is improved, the main transmission shaft is provided with the detachable tool apron, and the detachable tool blade is arranged on the tool apron, so that the cleaning is convenient, and meanwhile, if the tool blade is damaged, only the corresponding tool blade needs to be replaced, and the whole cutting tool does not need to be replaced, and the tool is economical and practical.

4. According to the invention, the flow switch is set as the rotating shaft, the through hole is arranged on the rotating shaft, the cylindrical groove is arranged on the lower surface of the inner shell, the upper surface and the lower surface of the cylindrical groove are communicated, when the through hole is horizontally arranged, the through hole is contacted with the left surface and the right surface of the cylindrical groove, and the placing cavity is disconnected from and communicated with the water inlet, so that the medicine is conveniently milled and stirred and mixed with warm water. When the through holes are vertically arranged, the through holes are in contact with the upper surface and the lower surface of the columnar groove, the placing cavity is communicated with the water inlet, and mixed liquid medicine is conveniently pumped into the nasogastric tube of a patient. The end face of the rotating shaft is provided with the rotating handle, so that the rotating process is time-saving and labor-saving, and the practicability is high.

5. The invention can also set the flow switch as an electric control valve, and the microprocessor controls the water inlet speed of the water pump and the flow entering the nasogastric tube of the patient, thereby avoiding the discomfort of the patient caused by the overhigh water outlet speed, having small potential safety hazard and high safety factor, and being suitable for popularization and application.

6. According to the invention, the micro water pump is controlled by the microprocessor, the working time of the micro water pump can be automatically adjusted, so that the water yield of the micro water pump is controlled, the medicine feeding amount and the medicine feeding speed of a patient are controlled, the patient experience is good, and the recovery of the patient is facilitated.

7. The cup body and the cup cover are connected through the opening and closing device, so that the cup cover is convenient to open and close.

8. The scale marks are arranged on the outer surface of the cup body, so that the warm water quantity for dissolving the medicine powder is convenient to adjust, the medicine effect is convenient to play, and the rehabilitation of a patient is facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a milling device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a flow switch according to an embodiment of the present invention.

Fig. 4 is a sectional view of the flow switch in an open state of direction a of fig. 3 according to an embodiment of the present invention.

Fig. 5 is a sectional view of the flow switch in the direction a of fig. 3 in a closed state according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of the flow switch of the embodiment of the invention, which is an electric control valve.

Fig. 7 is a schematic structural diagram of a micro water pump according to an embodiment of the invention.

In the figure:

1. cup cover 2, placing cavity 3 and grinding device

4. Water inlet 5, flow switch 6 and control cavity

7. Water outlet 8, scale mark 9 and cup body

10. Button 11, connector link 12, connecting plate

13. Connecting hook 14, cutting knife 15 and main transmission shaft

16. Micro motor 17, first cutter seat 18 and second cutter seat

19. A first blade 20, a second blade 21 and a rotating shaft

22. Through hole 23, columnar groove 24 and rotary handle

25. Impeller 26, rotating shaft 27, and permanent magnet

28. Rotor 29, pressure sensor 30, valve cover

31. Motor 32, partition 33, valve body

34. Valve body water inlet 35, valve core water inlet 36 and valve core

37. Valve core water outlet 38, valve body water outlet 39 and water pump shell

40. An electromagnetic coil 41 and a bearing.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Embodiments of the invention are further described below with reference to the accompanying drawings:

as shown in figure 1, the administration device for nasal feeding comprises a cup body 9, a control cavity 6 is arranged at the bottom of the cup body 9, a placing cavity 2 is arranged in the middle of the cup body 9, and the top of the cup body 9 is movably connected with a cup cover 1 through an opening and closing device. The control cavity 6 is internally provided with a micro water pump, a micro motor 16 and a microprocessor, and the microprocessor is respectively connected with the micro water pump and the micro motor 16. The placing cavity 2 is internally provided with a milling device 3, and the milling device 3 is connected with a micro motor 16. The micro-pump comprises a water inlet 4 and a water outlet 7, the bottom surface of the placing cavity 2 is connected with the water inlet 4 through a flow switch 5, the water outlet 7 is arranged on the side surface of the cup body 9, and the water outlet 7 is communicated with a nasogastric tube inserted on the body of a patient.

This embodiment is put into the medicine and is placed chamber 2 in, grind into even powder with the medicine through milling device 3, to placing chamber 2 in add the warm water, milling device 3 is with medicine and water misce bene, open flow switch 5, go into patient's nasogastric tube through the liquid medicine pump that miniature pump will place chamber 2 in, the medicine is by placing chamber 2 and directly getting into in the patient's nasogastric tube, avoid many containers to transmit, the medicine pollution chance has been reduced, sanitation and hygiene, therefore, the clothes hanger is strong in practicability, automatic processing is realized, the work load of accompanying personnel is reduced, time saving and labor saving.

Cup 9 is medicine placer, realizes the container that liquid medicine mixes, and is concrete, and the cup 9 of this embodiment is the cylinder, and the cup 9 surface is equipped with scale mark 8, is convenient for adjust the warm water volume of dissolving the medicine end, and the medicine performance of being convenient for is favorable to the patient to be recovered. The bottom of the cup body 9 can be provided with an adsorption device, so that the cup body 9 can be conveniently adsorbed on a table top, and the cup body 9 is stable to place and convenient to take and place for use. The adsorption device can be of various structures, and can be realized as long as the adsorption device provided by the embodiment is a sucker.

This embodiment connects cup 9 and bowl cover 1 through the device that opens and shuts, makes things convenient for bowl cover 1 to open and shut, during the use, makes things convenient for medicine and warm water to put into, and the back of finishing using makes things convenient for cup 9 to wash, but manifold cycles utilizes, and the practicality is strong. The device that opens and shuts is arbitrary device for realizing cup 9 and 1 swing joint of bowl cover, can be through setting up the internal thread in bowl cover 1 inside, sets up the external screw thread in the cup 9 outside, through the cooperation of internal thread and external screw thread, realizes the swing joint of cup 9 and bowl cover 1. Also can realize through following structure, it is concrete, as shown in fig. 1, the device that opens and shuts includes connecting plate 12 and connector link 11, and 1 all around the bowl cover is arranged in to connecting plate 12, is equipped with coupling hook 13 on the connecting plate 12, and cup 9 is arranged all around in to connector link 11, and coupling hook 13 cooperates with connector link 11, and is preferred, and 1 internal surface of bowl cover is equipped with the sealing washer with rim of a cup contact department, increases the gas tightness of placing chamber 2, avoids 3 working process varieties of milling device, and medicine powder or liquid medicine mixed liquid spill cup 9.

Milling device 3 is for grinding into powdered medicine, simultaneously, realizes the arbitrary device of powder and warm water misce bene, and milling device 3 can be multiple structure. As shown in fig. 2, the milling device 3 provided in this embodiment includes a cutting blade 14 and a main drive shaft 15. A shaft through hole is arranged on the bottom surface of the placing cavity 2, a main transmission shaft 15 penetrates through the shaft through hole, the rear end of the main transmission shaft 15 is connected with a micro motor 16, the front end of the main transmission shaft 15 is arranged in the placing cavity 2, and a cutter holder is arranged at the front end of the main transmission shaft 15. The tool apron comprises a first tool apron 17 and a second tool apron 18, the first tool apron 17 and the second tool apron 18 are respectively and evenly distributed on the upper side, the lower side, the left side and the right side of different layers of the main transmission shaft 15, the first tool apron 17 is arranged above the second tool apron 18, and the first tool apron 17 and the second tool apron 18 are parallel to each other in the same direction.

The cutter seat is provided with an insertion space for inserting the cutter blade, the cutter blade is provided with a positioning hole, the cutter seat is provided with a fixing hole, and the positioning hole is fixedly connected with the fixing hole through a bolt.

This embodiment sets up cutting knife 14 into bilayer structure, sets up first sword page 19 knife tip and second sword page 20 knife tip into two directions that the orientation carried on the back mutually for sword page multi-angle cutting medicine makes medicine powder more even, and after adding the warm water, the sword page forms the stirring rake, makes medicine powder and warm water mix more fully, is favorable to the active ingredient of medicine to dissolve, does benefit to the patient and absorbs. Set up cutting knife 14 knife tip into the V font, existing effect has increased cutting area of cutting knife 14, has improved the degree of consistency of cutting, sets up the detachable blade holder on the final drive shaft 15, is equipped with detachable blade of a knife on the blade holder, not only convenient washing, simultaneously if the blade of a knife takes place the harm only need change correspond the blade of a knife can, need not to replace whole cutting knife, economical and practical.

The flow switch 5 is any device for connecting and disconnecting the housing chamber 2 and the water inlet 4. The flow switch 5 can be manually controlled, as shown in fig. 3-5, the flow switch 5 includes a rotating shaft 21, the rotating shaft 21 is a cylinder, a through hole 22 is formed on the outer cylindrical surface of the rotating shaft 21, a cylindrical groove 23 is formed on the lower surface of the placing cavity 2, and the rotating shaft 21 is placed in the cylindrical groove 23. The thickness of the lower surface of the placing cavity 2 is smaller than the diameter of the rotating shaft 21, and the diameter of the through hole 22 is smaller than the thickness of the small surface of the placing cavity 2. When the through holes 22 are vertically arranged, the communicating and placing cavity 2 is communicated with the water inlet 4, and when the through holes 22 are horizontally arranged, the placing cavity 2 and the water inlet 4 are separated. The flow switch 5 further comprises a rotary handle 24, and the rotary handle 24 is arranged on one end face of the rotating shaft 21 and exposed out of the side face of the cup body 9.

When the through hole 22 is horizontally arranged, the through hole 22 is contacted with the left surface and the right surface of the columnar groove 23, and the placing cavity 2 is disconnected with the water inlet 4, so that the medicine is conveniently ground and stirred and mixed with warm water. When the through hole 22 is vertically arranged, the through hole 22 is contacted with the upper surface and the lower surface of the columnar groove 23, the placing cavity 2 is communicated with the water inlet 4, and the mixed liquid medicine is conveniently pumped into the nasogastric tube of a patient. The end face of the rotating shaft 21 is provided with the rotating handle 24, so that the time and labor are saved during the rotating process, and the practicability is high.

Flow switch 5 also can be electric control valve, and microprocessor is connected to electric control valve, and the inflow velocity of water pump and the flow that gets into patient's nasogastric tube through microprocessor control avoid the outflow velocity too fast, cause the patient discomfort, and the potential safety hazard is little, and factor of safety is high, is fit for popularizing and applying.

The electric control valve can be in various structures as long as the functions are realized. Specifically, as shown in fig. 6, the electric control valve provided in the present embodiment includes a valve body, a partition 32, and a valve cover 30. The valve body 33 is connected with the valve cover 30 through a partition plate 32, a valve core 36 is arranged between the valve body 33 and the partition plate 32, a motor 31 is arranged between the partition plate 32 and the valve cover 30, and the motor 31 is connected with a microprocessor. The valve body 33 is provided with a valve body water inlet 34 and a valve body water outlet 38, the valve body water inlet 34 is connected with the placing cavity 2, and the valve body water outlet 738 is connected with the water inlet 4. The valve core 36 is provided with a valve core water inlet 35 and a valve core water outlet 37, and when the valve core water inlet 35 is overlapped with the valve body water inlet 34 and the valve core water outlet 37 is overlapped with the valve body water outlet 38, water flows out.

Microprocessor connects micro water pump, can independently adjust micro water pump's operating time to control micro water pump's water yield, thereby control patient's the medicine entering amount and advance medicine speed, patient experience degree is good, is favorable to the patient to resume.

The micro water pump can be of various structures as long as the above functions are realized. Specifically, as shown in fig. 7, the micro water pump provided in this embodiment includes a water pump housing 39 and an electromagnetic coil 40, a water outlet 7 is disposed on a side surface of the water pump housing 39, and a water inlet 4 is disposed on a top surface of the water pump housing 39. The electromagnetic coil 40 is arranged in the middle of the inside of the water pump shell 39, the rotor 28 is arranged inside the electromagnetic coil 40, the permanent magnet 27 is arranged below the rotor 28, the bearing 41 is arranged below the electromagnetic coil 40, the rotating shaft 26 is arranged at the lower end of the bearing 41, the impeller 25 is arranged at the lower end of the rotating shaft 26, and the electromagnetic coil 40 is connected with the microprocessor. Preferably, a pressure sensor 29 is arranged above the electromagnetic coil 40, and the pressure sensor 29 is electrically connected with the microprocessor. The pressure sensor 29 can monitor the water pressure inside the micro water pump in real time, so that the flow switch 5 can control the water flow speed conveniently. And when the water pressure in the micro water pump is insufficient, the power supply is cut off through the microprocessor, so that the micro water pump stops working, and the problems that the water pressure is insufficient and the motor of the water pump is idle and easy to damage are solved.

When flow switch 5 was the automatically controlled valve, microprocessor connected automatically controlled valve, through the inflow speed of microprocessor control water pump and the flow that gets into patient's nasogastric tube, avoided the outflow velocity too fast, caused the patient discomfort, the potential safety hazard is little, and factor of safety is high, is fit for popularizing and applying.

The microprocessor is connected with a power supply, and the working state of the microprocessor is controlled by the button 10, so that the energy-saving environment-friendly energy-. The power supply is respectively connected with the micro water pump, the electric control valve and the micro motor 16 to provide power for the work of each device.

Interaction between devices may be accomplished using a variety of signals and techniques. These signals and techniques include: orthogonal signals, CDMA, TDMA, FDMA, OFDMA, ultra wideband signals, chirp signals, laser signals, and many others. The signals to and from the microprocessor and devices may be modulated (using AM, FM, PSK, FSK, MSK, QAM, or any other possible modulation) or may be otherwise encoded or configured to contain timing, synchronization, control, data, multipath signal component identification, security codes, information to ensure proper operation, and redundancy. The signals to and from the microprocessor and devices may include Gold codes, PN codes, M-Sequence codes, Walsh-Hadamard codes, or any other codes. The microprocessor may be a conventional chip, a single chip, or a controller, and has a module with corresponding functions for driving the above devices to implement the above functions, which is not described herein again.

The connection between the microprocessor and the micro-pump, the micro-motor 16, the buttons 10, the electric control valve, etc. includes wired connection and wireless connection, the wired connection can be connected by serial bus, P1394, Thunderbolt, etc., the wires in the wired connection are not shown in FIG. 1 to avoid clutter, the wireless connection can be connected by Bluetooth, Bluetooth L ow Energy, WIFI, Zigbee, etc., the microprocessor and the micro-pump, the micro-motor 16, the buttons 10, the electric control valve, etc. can receive electric power by wired or wireless connection, and can also receive electric power from a disposable battery or a rechargeable battery.

The working principle of the invention is as follows:

the flow switch 5 is closed, the cup cover 1 is opened, the medicine is placed in the placing cavity 2, the cup cover 1 is closed, the grinding device 3 is connected with the micro motor 16 through the button 10, the micro motor 16 drives the main transmission shaft 15 to rotate, the main transmission shaft 15 drives the blade to rotate, and the blade pulverizes the medicine in the rotating process. After the medicine is milled uniformly, the cup cover 1 is opened, warm water is added, the cup cover 1 is closed, the micro motor 16 is opened, the micro motor 16 drives the main transmission shaft 15 to rotate, and the blade plays a role of a stirring paddle, so that the warm water and the medicine powder are mixed uniformly.

After the warm water and the powder are uniformly mixed, the flow switch 5 is turned on, the power supply is turned on through the button 10 to provide power for the micro water pump, the electromagnetic coil 40 rotates the rotor 28 under the electromagnetic induction, the rotor 28 rotates to drive the rotating shaft 26 to rotate, and the impeller 25 rotates along with the rotation of the rotating shaft 26. The liquid medicine in the placing cavity 2 is sucked into the water pump through the water inlet 4 and is discharged through the water outlet 7, and the water outlet 7 is communicated with the nasogastric tube of the patient, so that the nasal feeding is realized.

When the flow switch 5 is an electric control valve, the power supply provides power for the electric control valve, and the motor 31 rotates to drive the valve core 36 to rotate through the motor shaft. The valve body 33 is provided with a valve body water inlet 34 and a valve body water outlet 38, and the valve core 36 is provided with a valve core water inlet 35 and a valve core water outlet 37. When the valve core water inlet 35 and the valve body water inlet 34 are overlapped, and the valve core water outlet 37 and the valve body water outlet 38 are overlapped, water flows out. When the flow rate of water flow needs to be adjusted, the microprocessor drives the motor 31 to rotate, so as to drive the valve core 36 to rotate, at the moment, the valve core water inlet 35 and the valve body water inlet 34 are not completely overlapped, and the valve core water outlet 37 and the valve body water outlet 38 are also not completely overlapped.

Set up pressure sensor 29 on the miniature pump, can the inside water pressure of real-time supervision water pump, when the inside water pressure of water pump was not enough, through microprocessor cut off power, made the water pump stop work.

The invention has the advantages and positive effects that:

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. An applicator for nasal feeding, characterized in that: the novel water cup comprises a cup body, the cup bottom is the control chamber, the cup middle part is for placing the chamber, the cup top is through opening and shutting device swing joint bowl cover, be equipped with micro-water pump, micro-motor and microprocessor in the control chamber, microprocessor connects respectively micro-water pump with micro-motor, it is equipped with milling device to place the intracavity, milling device connects micro-motor, micro-water pump includes water inlet and delivery port, it passes through flow switch and connects to place the chamber bottom the water inlet, the delivery port is arranged in the cup side, the delivery port communicates with the nasogastric tube of pegging graft on one's body of patient.

2. A nasogastric applicator according to claim 1, wherein: the miniature water pump comprises a water pump shell and an electromagnetic coil, wherein the water outlet is formed in the side face of the water pump shell, the water inlet is formed in the top face of the water pump shell, the electromagnetic coil is installed in the middle of the inside of the water pump shell, a rotor is arranged inside the electromagnetic coil, a permanent magnet is arranged below the rotor, a bearing is arranged below the electromagnetic coil, a rotating shaft is arranged at the lower end of the bearing, an impeller is arranged at the lower end of the rotating shaft, and the electromagnetic coil is connected with the microprocessor.

3. A naso-gastric administration device according to claim 1 or 2, characterized in that: the grinding device comprises a cutting knife and a main transmission shaft, a shaft through hole is formed in the bottom surface of the placing cavity, the main transmission shaft penetrates through the shaft through hole, the rear end of the main transmission shaft is connected with the micro motor, the front end of the main transmission shaft is arranged in the placing cavity, a knife holder is arranged at the front end of the main transmission shaft and comprises a first knife holder and a second knife holder, the first knife holder and the second knife holder are respectively and uniformly distributed on the upper side, the lower side, the left side and the right side of different layers of the main transmission shaft, the first knife holder is arranged above the second knife holder, and the first knife holder and the second knife holder are parallel to each other in the same direction.

4. A nasogastric applicator according to claim 3, wherein: the utility model discloses a cutter blade, including blade holder, blade, fixed hole, blade holder, bolt, first blade and second blade, be equipped with on the blade holder and supply blade male insertion space, be equipped with the locating hole on the blade holder, be equipped with the fixed orifices on the blade holder, the locating hole with the fixed hole passes through bolt fixed connection, the blade includes first blade and second blade, first blade is arranged in the first blade holder, the second blade is arranged in the second blade holder.

5. The nasal feeding applicator according to claim 4, wherein the blade is L-shaped, the top of the blade is provided with a blade point, the blade point is V-shaped, the blade point of the first blade faces the direction of the cup cover, and the blade point of the second blade faces the direction of the bottom of the cup body.

6. A nasogastric applicator according to claim 1 or 2 or 4 or 5, wherein: the flow switch comprises a rotating shaft, the rotating shaft is a cylinder, a through hole is formed in the outer cylindrical surface of the rotating shaft, a cylindrical groove is formed in the lower surface of the placing cavity, the rotating shaft is arranged in the cylindrical groove, the thickness of the lower surface of the placing cavity is smaller than the diameter of the rotating shaft, the diameter of the through hole is smaller than the thickness of the small surface of the placing cavity, when the through hole is vertically placed, the placing cavity is communicated with the water inlet, and when the through hole is horizontally placed, the placing cavity is separated from the water inlet.

7. A nasogastric applicator according to claim 6, wherein: the flow switch also comprises a rotating handle, and the rotating handle is arranged on one end face of the rotating shaft and is exposed out of the side face of the cup body.

8. A nasogastric applicator according to claim 1 or 2 or 4 or 5, wherein: the flow switch is an electric control valve, and the electric control valve is connected with the microprocessor.

9. A nasogastric applicator according to claim 8, wherein: the electric control valve comprises a valve body, a partition plate and a valve cover, the valve body is connected with the valve cover through the partition plate, a valve core is arranged between the valve body and the partition plate, a motor is arranged between the partition plate and the valve cover, and the motor is connected with the microprocessor.

10. A nasogastric applicator according to claim 1 or 2 or 4 or 5 or 7 or 8, wherein: the opening and closing device comprises a connecting plate and connecting buckles, the connecting plate is arranged on the periphery of the cup cover, the connecting buckles are arranged on the periphery of the cup body, and the connecting plate is matched with the connecting buckles.