CN114146001A

CN114146001A - Internal medicine intensive care nursing liquid food feeder

Info

Publication number: CN114146001A
Application number: CN202111314661.8A
Authority: CN
Inventors: 张艳芳
Original assignee: Puyang Anyang District Hospital
Current assignee: Puyang Anyang District Hospital
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-08
Anticipated expiration: 2041-11-08
Also published as: CN114146001B

Abstract

The invention relates to the technical field of feeders, in particular to a liquid diet feeder for internal medicine intensive care nursing, which comprises a communicating bin, wherein the top of the communicating bin is provided with a food inlet, the upper part of the communicating bin is provided with a communicating cavity communicated with the food inlet, both ends of the communicating bin are provided with through holes communicated with the communicating cavity, a piston matched with the communicating cavity is arranged in the communicating cavity, one end of the communicating bin is detachably connected with an adjusting pipe at the position of the through hole, and an electromagnetic valve is arranged in the adjusting pipe; the other end of the communicating bin is provided with a push rod which penetrates through the through hole and is connected with one side of the piston. The invention can prevent the severe patients from choking food caused by regurgitation and vomiting of liquid food, ensure the feeding safety of the severe patients and improve the mixing effect of the liquid food; the liquid food extracted in the feeding process is prevented from polluting the liquid food which is not fed, and the sanitation of the liquid food in the feeding process is improved.

Description

Internal medicine intensive care nursing liquid food feeder

Technical Field

The invention relates to the technical field of feeders, in particular to a liquid diet feeder for medical intensive care nursing.

Background

Intensive care patients have basically lost their ability to take care of themselves, but they must have sufficient nutrition to be consumed by the body, and therefore often need to be fed to patients, and only liquid foods are available when they are fed, which foods are easily digested by the patients; generally, when feeding fluid food to a patient, the fluid food is often guided into the stomach of the patient through a stomach tube and a nasogastric tube of the patient through a feeder so as to ensure that the patient obtains enough energy and nutrition.

The application number is CN 202020167215.3's patent discloses a nasal feeding feeder, including the nasal feeding bucket, the nasal feeding bucket passes through the entry of feed pipe connection pressurization section of thick bamboo, the exit linkage nasal feeding pipe of pressurization section of thick bamboo, the pressurization section of thick bamboo is a closed barrel, and one side of bottom is provided with the entry, and the bottom center is provided with the export, the nasal feeding pipe is connected in the exit, the upper portion of closed barrel is provided with can the piston of up-and-down motion in the closed barrel, the upper portion of closed barrel pass through the pipe connection siphon ball, the entrance of closed barrel is provided with one-way feed valve, the exit of closed barrel is provided with one-way play edible valve. The feeder can avoid food backflow in the esophagus, and is simple and sanitary to operate.

However, the feeder of the above type still has certain problems in the using process, such as the liquid food contained in the nasal feeding tube is easy to precipitate in the long-time feeding process, so that the concentration of the liquid food is thin when the liquid food is fed at the beginning, and the concentration of the liquid food fed subsequently is thick, which is not beneficial to the absorption and digestion of patients; secondly, although the feeder can avoid the reflux of the liquid food, when the abdominal pressure of a patient is high and the liquid food is refluxed due to vomiting, corresponding countermeasures cannot be taken, so that the patient is choked to eat due to vomiting, and the safety risk and the pain of the patient in feeding are increased; there is therefore a need for improvements to feeders of the above type.

Disclosure of Invention

The invention aims to provide a liquid diet feeder for medical intensive care nursing, which solves the problem that the concentration of liquid diet is different before and after the liquid diet in the feeding process of the feeder in the prior art, so that the absorption of a patient is influenced, and the patient lacks safety measures during the liquid diet, so that the patient is choked.

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

a feeding device for liquid diet for internal medicine intensive care nursing comprises a communicating bin, wherein a food feeding hole is formed in the top of the communicating bin, a communicating cavity communicated with the food feeding hole is formed in the upper portion of the communicating bin, through holes communicated with the communicating cavity are formed in two ends of the communicating bin, a piston matched with the communicating cavity is arranged in the communicating cavity, an adjusting pipe is detachably connected to one end of the communicating bin and the position, located in the through hole, of the communicating bin, and a solenoid valve is arranged in the adjusting pipe; the other end of the communicating bin is provided with a push rod which penetrates through the through hole and is connected with one side of the piston;

the top of the communicating bin is detachably connected with a heat-insulating barrel with an opening at the bottom, the bottom of the heat-insulating barrel is communicated with the feed hole through a butt joint pipe, the inside of the heat-insulating barrel is detachably connected with a top plate, an opening at the bottom of an inner cavity of the heat-insulating barrel is provided with an adjusting mechanism matched with the butt joint pipe, and the top of the adjusting mechanism is fixedly connected with a pull rod penetrating through the top plate through a sliding sleeve;

the adjusting mechanism comprises an electromagnetic part connected with the lower end part of the pull rod, a fixed part is connected below the electromagnetic part, a pressure sensor is arranged in the fixed part, a permanent magnet part is connected below the fixed part through a buffer spring, and a sealing part is connected below the permanent magnet part; when the buffer spring is in a natural telescopic state, the sealing part is positioned in the butt joint pipe and seals the butt joint pipe;

a backflow cavity is formed in the lower portion of the communicating bin and communicated with the communicating cavity through a one-way valve; a bottom valve is arranged at the bottom of the reflux cavity;

a first current is introduced to the electromagnetic part through the controller, the electromagnetic part generates magnetic attraction to the permanent magnetic part, the permanent magnetic part compresses the buffer spring and drives the sealing part to move, the sealing part does not seal the butt joint pipe any more, the push rod is pushed, the liquid food in the communicating cavity is extruded through the piston, one part of the liquid food is discharged through the adjusting pipe, and the other part of the liquid food enters the heat-insulating barrel through the butt joint pipe; when the pressure value measured by the pressure sensor exceeds the preset range value, the second current is introduced into the electromagnetic part through the controller, the electromagnetic part generates magnetic repulsion force on the permanent magnetic part, the permanent magnetic part stretches the buffer spring and drives the sealing part to move, the sealing part seals the butt joint pipe, and the push rod is pulled and is extracted from the external liquid food through the piston and the butt joint pipe.

The invention has at least the following beneficial effects:

1. through the setting of intercommunication storehouse and heat-preserving container, when needs are fed the food to the patient, the pipeline of leading-in patient's stomach chamber passes through the control tube earlier and is connected with the intercommunication storehouse, open the inside that the top cap of heat-preserving container poured the liquid food into the heat-preserving container after that, the pulling pull rod, the pull rod drives adjustment mechanism and leaves the opening part of heat-preserving container bottom, the liquid food can get into to the intercommunication intracavity through the control tube, promote the push rod this moment, the push rod drives the piston and removes and to make the liquid food discharge the stomach chamber that gets into the patient in the pipeline through the control tube, repeat above-mentioned operation and can repeat the liquid food of beating into to the patient, improved the structure, be convenient for feed in succession and eat, the patient of being convenient for feeds the food simultaneously, need iterative step has been avoided not only effectively to reduce patient's pain, can guarantee simultaneously that the patient absorbs sufficient nutrition.

2. By optimizing the structure of the adjusting mechanism and cooperating with related components, the food can flow in two paths in the feeding process, wherein one path enters the stomach through the adjusting pipe and the stomach tube; the other route is that the sewage enters the heat-preserving barrel through a butt joint pipe; when the numerical value measured by the pressure sensor is increased, a second current is introduced to the electromagnetic part through the controller, the electromagnetic part generates magnetic repulsion to the permanent magnetic part, the permanent magnetic part stretches the buffer spring and drives the sealing part to move, and the sealing part seals the butt joint pipe, so that on one hand, backflow liquid food is prevented from entering the heat-insulating barrel through the butt joint pipe, the liquid food which is not fed in the heat-insulating barrel is prevented from being polluted, and subsequent feeding is influenced; on the other hand, can stimulate the push rod this moment and extract outside liquid food through piston and butt joint pipe, take out the liquid food or gastric juice etc. in stomach tube or the stomach and communicate the intracavity, prevent that severe patients from choking because of liquid food is palirrhea, the vomiting causes and eats, influences respiratory, guarantees the security that severe patients fed food.

3. Through setting up the backward flow chamber, check valve etc, make the controller let in the second electric current to electromagnetism portion, electromagnetism portion produces magnetic repulsion to permanent magnetism portion, permanent magnetism portion extension buffer spring and drive the motion of sealing, under the sealed prerequisite of butt joint pipe of sealing, keep controlling electromagnetism portion and let in the second electric current, then close the solenoid valve, promote the push rod, in the push rod drives the piston motion process, liquid food or gastric juice etc. that the intercommunication intracavity was taken out are compressed gradually, form the fluid that has pressure, when pressure reaches certain size, can make the check valve open, liquid food or gastric juice etc. that extract enter into the backward flow intracavity through the check valve, temporary storage in the backward flow intracavity, can discharge through the underflow valve that the backward flow chamber bottom was established after the food is finished, so avoided the liquid food that the feeding process was taken out to pollute the liquid food that does not feed, the health when having improved the liquid food and feeding.

4. Through the cooperative work of the adjusting mechanism and related components, third current is introduced to the electromagnetic part through the controller, the electromagnetic part generates magnetic attraction force on the permanent magnetic part to open the butt joint pipe, and liquid food in the heat-insulating barrel is pumped into the communicating cavity through the push rod and the piston; a fourth current is introduced to the electromagnetic part through the controller, the electromagnetic part generates magnetic repulsion to the permanent magnetic part, the permanent magnetic part stretches the buffer spring and drives the sealing part to move, the sealing part seals the butt joint pipe, the push rod is pushed and the liquid food in the communicating cavity is extruded through the piston, and the liquid food with pressure pushes the sealing part and opens the butt joint pipe to enter the heat-insulating barrel; through repeating the above operation, the liquid food in the heat-preserving container is repeatedly sucked into the communicating cavity, and then the liquid food in the communicating cavity is extruded into the heat-preserving container, so that the operation is repeated to improve the mixing effect of the liquid food in the heat-preserving container. After the liquid food in the heat-preserving barrel is uniformly mixed, the liquid food with uniform concentration is sucked into the communicating cavity to prepare for feeding severe patients.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a push rod according to the present invention;

FIG. 3 is a schematic diagram of a plug-in ring structure according to the present invention;

FIG. 4 is a schematic view of a pull rod structure according to the present invention;

FIG. 5 is a schematic view of a connecting pipe sleeve according to the present invention;

FIG. 6 is a schematic sectional view of the inside of the communicating silo;

fig. 7 is a schematic structural diagram of the adjusting mechanism of the present invention.

In the figure: 1. communicating the bin; 2. a heat-preserving barrel; 201. a plug-in ring; 202. a convex ring; 203. a feed hole; 204. a top plate; 205. a dust-proof plate; 206. a pull rod; 207. a vent hole; 3. an adjustment mechanism; 301. an electromagnetic section; 302. a fixed part; 303. a buffer spring; 304. a permanent magnet section; 305. a sealing part; 4. a support bar; 5. a tapered tube; 6. an adjusting tube; 7. a communicating cavity; 8. a through hole; 9. mounting a bracket; 10. a piston; 11. mounting a plate; 12. a push rod; 13. a underflow valve; 14. butt-joint pipes; 15. a docking ring; 16. a connecting pipe sleeve; 17. a support frame; 18. a reflux cavity; 19. a one-way valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1-5, a liquid diet feeder for internal medicine intensive care nursing, including communicating bin 1, feed opening 203 has been seted up at communicating bin 1's top, communicating chamber 7 with feed opening 203 intercommunication is seted up on communicating bin 1 upper portion, the through-hole 8 that is linked together with communicating chamber 7 is all seted up at communicating bin 1's both ends, communicating chamber 7's inside is provided with the piston 10 with communicating chamber 7 looks adaptation, communicating bin 1's one end and the position that is located through-hole 8 can be dismantled and be connected with control tube 6, communicating bin 1's other end level is provided with the push rod 12 that runs through-hole 8 and be connected on one side of piston 10.

The top that communicates storehouse 1 can be dismantled and be connected with the bottom and be equipped with open-ended heat-preserving container 2, and the bottom of heat-preserving container 2 is through butt joint pipe 14 and feed hole 203 intercommunication, and the inside of heat-preserving container 2 can be dismantled and be connected with roof 204, and the inner chamber bottom opening part of heat-preserving container 2 is provided with the adjustment mechanism 3 with butt joint pipe 14 looks adaptation, and the top fixedly connected with of adjustment mechanism 3 runs through the pull rod 206 of roof 204 through the sliding sleeve.

Further, the communicating cavity 7 is in sealed sliding connection with the piston 10, and the diameter of the through hole 8 is smaller than that of the communicating cavity 7; specifically, the communicating cavity 7 is in sealed sliding connection with the piston 10, so that the liquid food in the communicating cavity 7 can be conveniently pushed out through the piston 10; by setting the diameter of the through hole 8, the piston 10 in the communication chamber 7 can be prevented from slipping out of the communication chamber 7.

Furthermore, one end of the adjusting pipe 6 is fixedly connected with the side wall thread of the communicating bin 1, and the other end is fixedly connected with the conical pipe 5; specifically, through the setting of conical tube 5, the convenience of connection has been improved.

Further, a butt joint ring 15 fixedly connected with a bolt at the top of the communication bin 1 is sleeved on the outer ring of one end, close to the communication bin 1, of the butt joint pipe 14, a connecting pipe sleeve 16 is connected to the other end of the butt joint pipe through a conical bin, the inner cavity of the connecting pipe sleeve 16 is communicated with the inner cavity of the butt joint pipe 14, an external thread is arranged on the outer ring of the connecting pipe sleeve 16, and a pipe body matched with the connecting pipe sleeve 16 and provided with an internal thread on the inner ring is fixedly connected to the bottom of the heat-insulating barrel 2 and positioned at the opening; specifically, through the arrangement of the connecting pipe sleeve 16 and the pipe body, the heat-preserving barrel 2 and the communicating bin 1 can be connected quickly.

Further, the inner side wall of the pipe body is connected with an inserting ring 201 matched with the inner ring of the connecting pipe sleeve 16 through a convex ring 202, the top of the top plate 204 is provided with a plurality of vent holes 207 penetrating through the top plate 204, and the top of the top plate 204 is connected with a dust-proof plate 205 through magnetic attraction of a magnet plate; specifically, the dust is prevented from entering the heat-insulating barrel 2 by the arrangement of the dust-proof plate 205.

Furthermore, a supporting frame 17 for supporting the heat-insulating barrel 2 is arranged at the top of the communicating bin 1 and at the bottom of the heat-insulating barrel 2, four corners of the bottom of the supporting frame 17 are fixedly connected with supporting rods 4 fixedly connected with bolts at the top of the communicating bin 1, the other end of the supporting frame is fixedly connected with a mounting plate 11 fixedly connected with a piston 10 through bolts, and the bottom of the communicating bin 1 is fixedly connected with a mounting bracket 9; particularly, the arrangement of the supporting frame 17 ensures the stable placement of the heat-insulating barrel 2.

In summary, the following steps: through the arrangement of the communicating bin 1 and the heat-insulating barrel 2, when a patient needs to be fed, the stomach tube communicated with the stomach cavity of the patient is connected with the communicating bin 1 through the adjusting tube 6, then the top cover of the heat-insulating barrel 2 is opened to pour the liquid food into the heat-insulating barrel 2, the pull rod 206 is pulled, the pull rod 206 drives the adjusting mechanism 3 to leave the opening at the bottom of the heat-insulating barrel 2, the liquid food can enter the communicating cavity 7 through the butt joint tube 14, then the adjusting mechanism 3 is driven to reach the bottom of the heat-insulating barrel 2 again through the pull rod 206 and seal the butt joint tube 14, the push rod 12 is pushed, and the push rod 12 drives the piston 10 to move, so that the liquid food can be discharged to the pipeline through the adjusting tube 6 and enter the stomach cavity of the patient; after one-time feeding is finished, the adjusting tube 6 and the stomach tube are disconnected, the liquid diet is sucked into the communicating cavity 7 again, and the liquid diet can be repeatedly injected into the patient by repeating the operation; through the improvement of above-mentioned structure, be convenient for feed in succession and eat, when realizing that the patient feeds and eat, avoided needing iterative step, not only effectively reduce patient's pain, can guarantee simultaneously that the patient absorbs sufficient nutrition.

Example 2

In adopting this device to feed the patient and eat the in-process, the nursing staff discovers that this device still has following problem: on one hand, the stomach pressure of a severe patient is increased and the digestion and absorption are not facilitated due to the worry of excessive feeding amount in the feeding process; secondly, the pressure in the stomach of some patients is higher, in the feeding process, factors such as the flow rate of liquid diet, the feeding amount and the like can cause vomiting and regurgitation of the patients, but the pressure in the stomach of the patients is measured by the pressure measuring device and is difficult to operate in the feeding process; furthermore, the vomited and regurgitated liquid food can reflux along the nasal tube and is mixed with the liquid food which does not enter the stomach, so that the liquid food is polluted, and the subsequent feeding is influenced; therefore, further improvements to the present apparatus are needed to solve the above problems.

An electromagnetic valve is arranged in the adjusting pipe 6; the controller controls the switch of the electromagnetic valve, so that the on-off between the adjusting pipe 6 and the communicating cavity 7 can be controlled, and the discharge of liquid food is further controlled.

The push rod 12 is an electric push rod, a driving part of the electric push rod is fixed with the mounting bracket 9, and the push rod of the electric push rod is connected with the piston 10, which is not specifically shown in the figure.

As shown in fig. 6-7, the adjusting mechanism 3 includes an electromagnetic part 301 connected to the lower end of the pull rod 206, a fixing part 302 connected to the lower side of the electromagnetic part 301, a pressure sensor disposed in the fixing part 302, a permanent magnet part 304 connected to the lower side of the fixing part 302 through a buffer spring 303, and a sealing part 305 connected to the lower side of the permanent magnet part 304; when the damper spring 303 is in the natural expansion/contraction state, the seal portion 305 is located inside the docking pipe 14 and seals the docking pipe 14.

A first current is introduced to the electromagnetic part 301 through the controller, the electromagnetic part 301 generates magnetic attraction to the permanent magnetic part 304, the permanent magnetic part 304 compresses the buffer spring 303 and drives the sealing part 305 to move, and the sealing part 305 no longer seals the butt joint pipe 14; after the liquid food enters the communicating cavity 7, the push rod 12 is pushed and the liquid food in the communicating cavity 7 is extruded by the piston 10, one part of the liquid food is discharged through the adjusting pipe 6, and the other part of the liquid food enters the heat-insulating barrel 2 through the butt joint pipe 14; when the pressure value measured by the pressure sensor exceeds the preset range value, a second current is introduced to the electromagnetic part 301 through the controller, the electromagnetic part 301 generates a magnetic repulsion force to the permanent magnetic part 304, the permanent magnetic part 304 stretches the buffer spring 303 and drives the sealing part 305 to move, the sealing part 305 seals the butt joint pipe 14, the push rod 12 is pulled, and the external liquid food is extracted through the piston 10 and the butt joint pipe 14.

By optimizing the structure of the adjusting mechanism 3 and cooperating with related components, the food can flow in two paths in the feeding process, wherein one path enters the stomach through the adjusting pipe 6 and the stomach tube; the other route is that the sewage enters the heat-preserving barrel 2 through the butt joint pipe 14; when the pressure generated by pushing the liquid food in the communicating cavity 7 through the piston 10 is P, the pressure of the liquid food entering the stomach through the regulating tube 6 and the stomach tube is P1, and the pressure of the liquid food entering the heat-insulating barrel 2 through the butt joint tube 14 is P2, P is P1+ P2, and P2 can be measured by the pressure sensor on the regulating mechanism 3, because the liquid food can extrude the sealing part 305 and compress the buffer spring 303 in the process of entering the heat-insulating barrel 2 from the butt joint tube 14, so that the buffer spring 303 acts on the pressure sensor; after the pressure P generated when the piston 10 pushes the liquid diet in the communicating cavity 7 is determined as A in the size of the piston 10 or the sectional area of the communicating cavity 7, the type of the push rod 12 can be determined as F, and then P is F/A, and the size of P can be obtained; in the normal feeding process, the P2 is P-P1, in the normal feeding process, the P1 and the P2 corresponding to the two ways of liquid food are in the stable value range, once the pressure of the stomach of the critically ill patient is increased due to various reasons, the obstruction of the stomach to the entering liquid food is enhanced, the stomach vomits, the liquid food flows back from the stomach tube, so that the resistance of the liquid food of the P1 corresponding to the stomach tube is increased, at this time, under the condition that the P is kept unchanged, more liquid food can enter the heat-insulating barrel 2 from the butt joint pipe 14 in the same time, namely, the flow of the liquid food entering the heat-insulating barrel 2 through the butt joint pipe 14 is increased, and the liquid food can extrude the sealing part 305 and compress the buffer spring 303, so that the buffer spring 303 acts on the pressure sensor, and the value of the pressure sensor is increased at this time; when the situation occurs, the second current is introduced to the electromagnetic part 301 through the controller, the electromagnetic part 301 generates a magnetic repulsion force to the permanent magnetic part 304, the permanent magnetic part 304 stretches the buffer spring 303 and drives the sealing part 305 to move, and the sealing part 305 seals the butt joint pipe 14, so that on one hand, backflow liquid food is prevented from entering the heat-insulating barrel 2 through the butt joint pipe 14, and the liquid food which is not fed in the heat-insulating barrel 2 is prevented from being polluted, and subsequent feeding is influenced; on the other hand, can pull push rod 12 and draw outside liquid food through piston 10 and butt joint pipe 14 this moment, take out the liquid food or gastric juice etc. in stomach tube or the stomach in the intercommunication chamber 7, prevent that severe patients from choking because of liquid food is palirrhea, vomiting causes and eating, influence respiratory, guarantee the security that severe patients fed food.

Example 3

When regurgitation and vomiting occur in the feeding process of a critically ill patient, the regurgitated liquid food or gastric juice and the like can be pumped into the communicating cavity 7 through the gastric tube according to the mode as described in embodiment 2. In order to ensure that the fluid food which is not fed is prevented from being polluted in the subsequent continuous feeding process, the pumped fluid food or gastric juice and the like need to be discharged, and the continuity of feeding is ensured, the communication bin 1 of the device is improved by one step.

The lower part of the communicating bin 1 is provided with a backflow cavity 18, and the backflow cavity 18 is communicated with the communicating cavity 7 through a one-way valve 19; the return chamber 18 is provided at its bottom with a bottom flow valve 13.

The second current is introduced to the electromagnetic part 301 through the controller, the electromagnetic part 301 generates a magnetic repulsion force to the permanent magnetic part 304, the permanent magnetic part 304 stretches the buffer spring 303 and drives the sealing part 305 to move, on the premise that the sealing part 305 seals the butt joint pipe 14, the second current is kept introduced to the electromagnetic part 301, then the electromagnetic valve is closed, the push rod 12 is pushed, in the process that the push rod 12 drives the piston 10 to move, the liquid food or the gastric juice extracted from the communication cavity 7 is gradually compressed to form fluid with pressure, after the pressure reaches a certain value, the one-way valve 19 can be opened, the extracted liquid food or the gastric juice enters the reflux cavity 18 through the one-way valve 19, the liquid food or the gastric juice is temporarily stored in the reflux cavity 18, and after the feeding is finished, the liquid food or the gastric juice can be discharged through the underflow valve 13 arranged at the bottom of the reflux cavity 18.

After all the liquid food or gastric juice extracted from the communicating cavity 7 is discharged into the backflow cavity 18, a first current is supplied to the electromagnetic part 301 to open the sealing of the butt joint pipe 14 through the sealing part 305, the liquid food in the heat-insulating barrel 2 is sucked into the communicating cavity 7 again, then a second current is supplied to the electromagnetic part 301 through the controller, the electromagnetic part 301 generates magnetic repulsion to the permanent magnetic part 304, the permanent magnetic part 304 stretches the buffer spring 303 and drives the sealing part 305 to move, the sealing part 305 seals the butt joint pipe 14, new liquid food is extruded into the backflow cavity 18 through the one-way valve 19 through the push rod 12 and the piston 10 again, and the communicating cavity 7 is flushed by the new liquid food through multiple operations. After the completion of the flushing of the communicating chamber 7, the feeding of the critically ill patients can be continued in the manner described in example 2; therefore, the liquid food extracted in the feeding process is prevented from polluting the liquid food which is not fed, and the sanitation of the liquid food feeding process is improved.

Example 4

In the process of feeding patients, in order to reduce the adding times of the liquid diet and facilitate the operation, the liquid diet to be fed is generally added into the heat-insulating barrel 2 in one step; and to severe patient, guarantee the speed and the flow that the liquid food was fed again, prevent that stomach pressure is too big to cause palirrhea, vomiting etc. consequently, the liquid food is fed often to need longer time once, and in whole longer time's the in-process of feeding, the liquid food in heat-preserving container 2 can take place to deposit, and it is bigger to lead to the lower part liquid food concentration in heat-preserving container 2, and upper portion liquid food concentration is smaller, is unfavorable for feeding and patient's absorption, consequently need guarantee the homogeneity of liquid food concentration at the in-process of feeding.

In order to further improve the uniformity of the concentration of the liquid food in the feeding process, before the liquid food is sucked into the communicating cavity 7 through the butt joint pipe 14, the electromagnetic valve in the butt joint pipe 14 is closed, third current is introduced to the electromagnetic part 301 through the controller, the electromagnetic part 301 generates magnetic attraction to the permanent magnetic part 304 to open the butt joint pipe 14, and the liquid food in the heat-insulating barrel 2 is sucked into the communicating cavity 7 through the push rod 12 and the piston 10; a fourth current is introduced into the electromagnetic part 301 through the controller, the electromagnetic part 301 generates a magnetic repulsion force to the permanent magnetic part 304, the permanent magnetic part 304 stretches the buffer spring 303 and drives the sealing part 305 to move, the sealing part 305 seals the butt joint pipe 14, the push rod 12 is pushed and liquid food in the communicating cavity 7 is extruded through the piston 10, and the liquid food with pressure pushes the sealing part 305 and opens the butt joint pipe 14 to enter the heat-insulating barrel 2; through repeating the above operation, in sucking the liquid food in the heat-preserving container 2 to the intercommunication chamber 7 repeatedly, extrude the liquid food in the intercommunication chamber 7 to the heat-preserving container in again, so operate repeatedly to improve the liquid food mixing effect in the heat-preserving container 2. After the liquid food in the heat-preserving barrel 2 is uniformly mixed, the liquid food with uniform concentration is sucked into the communicating cavity 7 to prepare for feeding severe patients.

In the above operation process, the fourth current is controlled to be smaller than the second current by the controller, so as to ensure that the fourth current is introduced into the control electromagnetic part 301, and when the pressurized liquid food pushes the sealing part 305 and opens the butt joint pipe 14 to enter the heat-insulating barrel 2, on one hand, the one-way valve 19 is in a closed state, so that in the process of mixing the liquid food to improve the concentration uniformity, the pressurized liquid food cannot open the one-way valve 19 and enter the backflow cavity 18, so as to avoid waste of the liquid food; on the other hand, the liquid food with pressure has better mixing effect in the heat-preserving barrel 2; in the third aspect, the liquid food which enters the heat-insulating barrel 2 and has pressure can be matched with the vent holes 207 on the top plate 204 to achieve a more uniform mixing effect, so that the feeding and absorbing effects of the subsequent liquid food are improved.

In conclusion, by improving the adjusting mechanism 3 and cooperating with the push rod 12, the piston 10, the one-way valve 19 and other components, on one hand, the pressure sensor on the adjusting mechanism 3 is used for indirectly detecting the pressure of the stomach of the severe patient, and when the patient has reflux and vomits during the feeding process, the reflux liquid food or gastric juice of the patient can be pumped out, so that the patient is prevented from choking, the respiratory system is prevented from being affected, and the feeding safety is ensured; on the other hand, a second current is introduced through the control electromagnetic part 301, then the electromagnetic valve is closed, the push rod 12 is pushed, in the process that the push rod 12 drives the piston 10 to move, the liquid food or gastric juice and the like pumped out from the communicating cavity 7 are gradually compressed to form fluid with pressure, when the pressure reaches a certain value, the one-way valve 19 can be opened, the pumped liquid food or gastric juice and the like enter the backflow cavity 18 through the one-way valve and are temporarily stored in the backflow cavity 18, the liquid food which is not fed is prevented from being polluted by the backflow liquid food or gastric juice and the like, and the sanitation during feeding is improved; the third aspect through adjustment mechanism 3, has realized sucking the liquid food in heat-preserving container 2 to the intercommunication chamber 7 repeatedly in, extrudeing the heat-preserving container to the liquid food in the intercommunication chamber 7 again, operates repeatedly to improve the liquid food mixed effect in heat-preserving container 2 and make preparation for severe patients feeds, and then promote follow-up liquid food and feed and absorptive effect.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A liquid food feeder for internal medicine intensive care and nursing comprises a communication bin and is characterized in that a food feeding hole is formed in the top of the communication bin, a communication cavity communicated with the food feeding hole is formed in the upper portion of the communication bin, through holes communicated with the communication cavity are formed in two ends of the communication bin, a piston matched with the communication cavity is arranged in the communication cavity, an adjusting pipe is detachably connected to one end of the communication bin and the position, located in the through hole, of the communication bin, and an electromagnetic valve is arranged in the adjusting pipe; the other end of the communicating bin is provided with a push rod which penetrates through the through hole and is connected with one side of the piston;

2. The feeding device for the liquid food in the internal medicine intensive care nursing as recited in claim 1, wherein the electromagnetic valve in the docking tube is closed, a third current is applied to the electromagnetic part through the controller, the electromagnetic part generates a magnetic attraction force on the permanent magnetic part to open the docking tube, and the liquid food in the heat-insulating barrel is pumped into the communicating cavity through the push rod and the piston; the controller is used for introducing fourth current to the electromagnetic part, the fourth current is smaller than the second current, the electromagnetic part generates magnetic repulsion force on the permanent magnetic part, the permanent magnetic part stretches the buffer spring and drives the sealing part to move, the sealing part seals the butt joint pipe, the push rod is pushed to extrude liquid food in the communicating cavity through the piston, and the liquid food with pressure pushes the sealing part and opens the butt joint pipe to enter the heat-insulating barrel so as to improve the mixing effect of the liquid food in the heat-insulating barrel.

3. The feeding device for liquid food in internal medicine intensive care and nursing as claimed in claim 2, wherein the electromagnetic part is controlled to be supplied with a fourth current, and the check valve is in a closed state in the process that the liquid food with pressure pushes the sealing part and opens the butt joint pipe to enter the heat-insulating barrel.

4. The feeding device for the liquid food in the internal medicine intensive care nursing as recited in claim 1, wherein after the electromagnetic part is controlled to be supplied with a second current, the push rod is pulled, the piston and the butt joint pipe are used for extracting the external liquid food, and the liquid food is extracted, the electromagnetic valve is closed, the push rod is pushed, the one-way valve is opened, and the extracted liquid food enters the backflow cavity through the one-way valve.

5. The feeding device as claimed in claim 1, wherein the communicating chamber is connected with the piston in a sealing and sliding manner, and the diameter of the through hole is smaller than that of the communicating chamber.

6. The feeding device for liquid food in internal medicine intensive care and nursing as claimed in claim 1, wherein one end of the adjusting tube is fixedly connected with the side wall of the communicating bin through threads, and the other end of the adjusting tube is fixedly connected with a conical tube.

7. The feeding device for liquid food in internal medicine intensive care and nursing as claimed in claim 2, wherein the outer ring of the end of the butt joint pipe close to the communicating bin is sleeved with a butt joint ring fixedly connected with a bolt at the top of the communicating bin, the other end of the butt joint pipe is connected with a connecting pipe sleeve through a conical bin, the inner cavity of the connecting pipe sleeve is communicated with the inner cavity of the butt joint pipe, the outer ring of the connecting pipe sleeve is provided with an external thread, the bottom of the heat-preserving container is fixedly connected with a pipe body matched with the connecting pipe sleeve at the opening, and the inner ring of the heat-preserving container is provided with an internal thread.

8. The feeding device for the liquid diet for the internal medicine intensive care and nursing of the claim 7, wherein the inner side wall of the tube body is connected with an inserting ring matched with the inner ring of the connecting tube sleeve through a convex ring, the top of the top plate is provided with a plurality of vent holes penetrating through the top plate, and the top of the top plate is connected with a dust-proof plate through magnetic attraction of a magnet plate.

9. The feeding device for liquid food in internal medicine intensive care and nursing as claimed in claim 1, wherein a supporting frame for supporting the heat-preserving barrel is arranged at the top of the communicating bin and at the bottom of the heat-preserving barrel, supporting rods fixedly connected with bolts at the top of the communicating bin are fixedly connected to four corners of the bottom of the supporting frame, a mounting plate fixedly connected with a piston bolt is fixedly connected to the other end of the supporting frame, and a mounting bracket is fixedly connected to the bottom of the communicating bin.

10. The feeding device as claimed in claim 1, wherein the pushing rod is an electric pushing rod.