CN108246191B

CN108246191B - Nutrition preparation ware in intestines

Info

Publication number: CN108246191B
Application number: CN201810128724.2A
Authority: CN
Inventors: 吕扬; 李新; 吕青; 杨洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-08
Filing date: 2018-02-08
Publication date: 2020-06-09
Anticipated expiration: 2038-02-08
Also published as: CN108246191A

Abstract

The invention relates to the technical field of medical instruments, in particular to an enteral nutrition preparation device. This prepare ware includes a jar body, prepares the chamber, carry the chamber, transfer passage, first peristaltic pump and first check valve, wherein, it sets up at the internal jar separately to prepare chamber and transfer chamber mutually, prepares the intracavity and is provided with a plurality of first cooling sticks, transfer passage's both ends are linked together with preparing chamber and transfer chamber respectively, first peristaltic pump sets up and is preparing the intracavity, first peristaltic pump's output and transfer passage are used for and prepare the tip that the chamber is linked together and be linked together, first check valve sets up on transfer passage. The invention can avoid the problems of pollution and deterioration of the enteral nutrient solution caused by multiple unsealing, thereby ensuring the quality of the enteral nutrient solution and being beneficial to the physical and psychological health of patients.

Description

Nutrition preparation ware in intestines

Technical Field

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

Background

Enteral nutrition is a nutrition support mode for providing nutrient substances needed by metabolism and other various nutrients through gastrointestinal tracts, and is clinically used for patients who have preoperative digestive tract diseases such as gastric cancer, esophageal cancer and the like and can not take food or can not take food orally in a short time after operation such as gastric cancer radical surgery, esophageal cancer radical surgery and the like, catheter approaches such as a nasogastric nutrition tube, a nasointestinal nutrition tube, a jejunostomy tube and the like are generally adopted, and the enteral nutrition stored in a preparation device is pumped into the intestines of the patients.

In the prior art, the specific modes of operation for enteral nutrition therapy given to patients are: unsealing the preparation device, mixing the solute and the solvent according to a set proportion, sealing the preparation device again after mixing, and pumping into the intestine of a patient through the mutual matching of the injection pump and the catheter.

In carrying out the present invention, the applicant has found that at least the following disadvantages exist in the prior art:

in clinic, the pumping speed of the enteral nutrition is usually 20-50ml/hr, the volume of a standard enteral nutrition preparation device is 500ml, if the container is opened and continuously infused for a long time, the time consumption is too long, and the long standing time at normal temperature can cause the enteral nutrition in the preparation device to deteriorate, and the enteral nutrition can cause diarrhea of a patient after infusion.

In view of the above situation, the existing solution is to pour out a part of the enteral nutrient solution in the preparation device in advance, contain the enteral nutrient solution in other containers, and store the enteral nutrient solution in a refrigerator at 4 ℃; after the residual enteral nutrient solution in the preparation device is injected, the enteral nutrient solution contained in other containers is poured into the preparation device for continuous injection.

The above solution may result in multiple unsealing of a relatively closed enteral nutrition dispenser, increasing the likelihood of contamination, deterioration of the enteral nutrition solution in the dispenser, which may be detrimental to the patient, and thus, improvements in the prior art are needed.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an enteral nutrition preparation device which does not need to be unsealed again in the process of injecting enteral nutrition liquid to a patient.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a nutrition preparation ware in intestines, the preparation ware is including a jar body, preparation chamber, transport chamber, transfer passage, first peristaltic pump and first check valve, wherein, prepare the chamber with transport chamber sets up separately the jar is internal, it is provided with a plurality of first cooling sticks to prepare the intracavity, transfer passage's both ends respectively with prepare the chamber with transport chamber is linked together, first peristaltic pump sets up prepare the intracavity, first peristaltic pump's output with transfer passage be used for with the tip that the preparation chamber is linked together, first check valve sets up on the transfer passage.

Further, a plurality of the first cooling rods are vertically arranged in multiple layers, one end of each of the plurality of first cooling rods in each layer is fixedly arranged on the inner wall of the preparation cavity, the other end of each of the plurality of first cooling rods in each layer extends in the direction of the vertical central axis of the preparation cavity along the horizontal direction, and a distance is reserved between the other end of each of the plurality of first cooling rods in each layer and the vertical central axis of the preparation cavity.

Furthermore, prepare the intracavity and be provided with the magnetic stirring rod, the magnetic stirring rod is located prepare on the vertical center pin in chamber, be provided with the drive on the top of preparing the chamber outer wall the pivoted rotating magnetic field device of magnetic stirring rod, can stir the interior enteral nutrition liquid of preparing the intracavity like this to improve enteral nutrition quality.

Furthermore, the rotating magnetic field device comprises a base, a driving motor and a magnet capable of driving the magnetic stirring rod to rotate, wherein the base is fixedly arranged on the top of the outer wall of the preparation cavity, the driving motor is arranged on the base, the output end of the driving motor extends along the vertical direction to the top of the outer wall of the preparation cavity, and the magnet is fixedly arranged on the output shaft of the driving motor.

Further, the dispenser also includes a pasteurizer to sterilize the enteral nutrient solution entering the delivery lumen to further improve enteral nutrient quality; the pasteurizer includes first heating power and a plurality of hot plate, first heating power sets up the jar is internal, a plurality of the hot plate all with first heating power electricity is connected, a plurality of the hot plate equidistant setting is in the inlet of first check valve with in the transfer passage of preparation chamber intercommunication, every all be provided with on the hot plate and be latticed logical liquid hole.

Further, a heat insulation partition plate is vertically arranged in the conveying cavity, the conveying cavity is divided into a cooling chamber and a heating chamber by the heat insulation partition plate, a communication hole is formed in the bottom of the heat insulation partition plate, and a second one-way valve is arranged in the communication hole.

Furthermore, a plurality of second cooling rods which are transversely arranged are fixedly arranged in the cooling chamber at equal intervals along the vertical direction.

Further, the top of heating chamber is provided with second heating power supply, be provided with a plurality of heating rods in the heating chamber, it is a plurality of the heating rod is cyclic annular fixed the setting on the top of heating chamber inner wall, it is a plurality of the heating rod all with second heating power supply electricity is connected, can heat the enteral nutrient solution that will inject into the human body like this to the effective temperature that makes enteral nutrient solution inject the alimentary canal meets the requirements, avoids causing the patient to take place diarrhea, abdominal distension scheduling problem because of the low temperature.

Furthermore, a second peristaltic pump is arranged at the bottom in the heating chamber, a transfusion outlet communicated to the outside is formed in the bottom of the heating chamber, and the output end of the second peristaltic pump is communicated with the transfusion outlet.

Furthermore, a temperature sensor is arranged in the transfusion outlet, the temperature sensor can sense the temperature of the enteral nutrient solution to be injected into the patient by the transfusion outlet, and then the temperature of the heating rod in the conveying chamber is controlled, so that the enteral nutrient solution in the conveying chamber is in a stable temperature.

The invention has the beneficial effects that:

the invention provides an enteral nutrition preparation device, after the enteral nutrition liquid in the preparation device is prepared, the enteral nutrition liquid is pumped into a conveying channel by the driving of a first peristaltic pump, after the liquid pressure in the conveying channel reaches the opening pressure of a first one-way valve, the valve of the first one-way valve is opened, the enteral nutrition liquid can be conveyed into a conveying cavity, if the enteral nutrition liquid in the conveying cavity reaches the required conveying capacity for a certain period of time, the first peristaltic pump is controlled, the conveying of the enteral nutrition liquid to the conveying cavity can be stopped, meanwhile, the valve of the first one-way valve is correspondingly closed, the enteral nutrition liquid can be stored in the preparation cavity, and the first cooling rod in the preparation cavity is utilized to refrigerate the enteral nutrition liquid at low temperature, so that the problems of pollution and deterioration of the enteral nutrition liquid caused by multiple unsealing are avoided, and the quality of the enteral nutrition liquid is ensured, is beneficial to the physical and mental health of the patient.

Drawings

FIG. 1 is a schematic diagram of an enteral feeding set according to an embodiment of the present invention;

FIG. 2 is a schematic view of the arrangement of a first cooling rod in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a heating plate according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an arrangement of a plurality of heating rods according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Fig. 1 is a schematic structural diagram of an enteral nutrition preparation device according to an embodiment of the present invention, and referring to fig. 1, the enteral nutrition preparation device according to the embodiment of the present invention includes a tank body 1, a preparation chamber 2, a delivery chamber 3, a delivery passage 4, a first peristaltic pump 5 and a first one-way valve 6, wherein the preparation chamber 2 and the delivery chamber 3 are separately disposed in the tank body 1, a plurality of first cooling rods 7 are disposed in the preparation chamber 2, two ends of the delivery passage 4 are respectively communicated with the preparation chamber 2 and the delivery chamber 3, the first peristaltic pump 5 is disposed in the preparation chamber 2, an output end of the first peristaltic pump 5 is communicated with an end of the delivery passage 4 for communicating with the preparation chamber 2, and the first one-way valve 6 is disposed on the delivery passage 4.

According to the enteral nutrition preparation device provided by the embodiment of the invention, after the enteral nutrition liquid in the preparation device is prepared, the enteral nutrition liquid is pumped into the conveying channel by the driving of the first peristaltic pump, after the liquid pressure in the conveying channel reaches the opening pressure of the first one-way valve, the valve of the first one-way valve is opened, the enteral nutrition liquid can be conveyed into the conveying cavity, if the enteral nutrition liquid in the conveying cavity reaches the required conveying capacity for a certain period of time, the first peristaltic pump is controlled to stop conveying the enteral nutrition liquid to the conveying cavity, meanwhile, the valve of the first one-way valve is correspondingly closed, the enteral nutrition liquid can be stored in the preparation cavity, and the first cooling rod in the preparation cavity is utilized to refrigerate the enteral nutrition liquid at low temperature, so that the problems of pollution and deterioration of the enteral nutrition liquid caused by multiple times are avoided, and the quality of the enteral nutrition liquid is ensured, is beneficial to the physical and mental health of the patient.

Referring to fig. 1, in the embodiment of the present invention, a feed valve 22 may be disposed on a side portion of the tank 1, the feed valve 22 has a liquid inlet and a liquid outlet, the liquid inlet of the feed valve 22 is disposed on an outer side, and the liquid outlet of the feed valve 22 is communicated with the preparation chamber 2, so that a solute to be prepared may be transported into the preparation chamber 2.

Referring to fig. 1, the plurality of first cooling rods 7 of the embodiment of the present invention may be vertically provided in multiple layers. Fig. 2 is a schematic layout diagram of first cooling rods in an embodiment of the present invention, and with reference to fig. 2, in the embodiment of the present invention, one end of each first cooling rod in each layer is fixedly disposed on an inner wall of the preparation chamber 2, the other ends of the plurality of first cooling rods 7 in each layer extend in a direction of a vertical central axis of the preparation chamber 2 along a horizontal direction, and a distance is provided between the other ends of the plurality of first cooling rods 7 in each layer and the vertical central axis of the preparation chamber 2.

In clinical practice, powder-type enteral nutrition preparations such as pepromide and the like are required to be unpacked and dissolved by premixing with a solvent, and in this process, the applicant found that in the solvent premixing process, it is impossible to sufficiently premix a solute with a solvent in a short period of time, and a large amount of enteral nutrition suspension lumps exist, which not only affect the delivery of an enteral nutrition solution, but also, in the case of a liquid-type enteral nutrition suspension, in which a patient cannot sufficiently tolerate total enteral nutrition, it is necessary to dilute and infuse enteral nutrition, and in this case, the premixing is insufficient, and thus the enteral nutrition quality cannot be surely secured, and based on this, the present embodiment provides a stirring area in the preparation chamber 2.

Referring to fig. 1, in the embodiment of the present invention, since the other ends of the plurality of first cooling rods 7 in each layer have a distance to the vertical central axis of the preparation chamber 2, the plurality of first cooling rods 7 can enclose a stirring area.

Referring to fig. 1 again, in the embodiment of the present invention, a magnetic stirring rod 8 may be disposed in the stirring region, the magnetic stirring rod 8 is located on the vertical central axis of the preparation chamber 2, and a rotating magnetic field device 9 for driving the magnetic stirring rod 8 to rotate is disposed on the top of the outer wall of the preparation chamber 2, so as to stir the enteral nutrition liquid in the preparation chamber, thereby not only ensuring the normal transportation of the enteral nutrition liquid, but also improving the enteral nutrition quality.

Further, with reference to fig. 1, the rotating magnetic field apparatus 9 of the embodiment of the present invention may include a base 9.1, a driving motor 9.2, and a magnet 9.3 capable of driving the magnetic stirring rod 8 to rotate, the base 9.1 is fixedly disposed on the top of the outer wall of the preparation chamber 2, the driving motor 9.2 is mounted on the base 9.1, an output end of the driving motor 9.2 extends in a direction vertically toward the top of the outer wall of the preparation chamber 2, and the magnet 9.3 is fixedly disposed on an output shaft of the driving motor 9.2. During the use, driving motor rotates, can drive the magnet rotatory, and this magnet and magnetism stirring rod pass through the magnetic line coupling, and the rotation of magnet can drive the magnetism stirring rod rotatory, can stir the interior nutrient solution of intestines of preparing the intracavity.

In order to ensure the quality of the enteral feeding solution delivered, the embodiment of the present invention is further provided with a pasteurizer 10 to sterilize the enteral feeding solution.

Referring to fig. 1, the pasteurizer 10 according to the embodiment of the present invention may include a first heating power source 10.1 and a plurality of heating plates 10.2, the first heating power source 10.1 is disposed in the tank 1, the plurality of heating plates 10.2 are electrically connected to the first heating power source 10.1, the plurality of heating plates 10.2 are disposed at equal intervals in the conveying passage 4 communicating the liquid inlet of the first check valve 6 and the preparation chamber 2, and each heating plate 10.2 is provided with a latticed liquid through hole 10.3 (as shown in fig. 3).

The pasteurizer 10 of the embodiment of the invention is arranged in the conveying channel 4 which is communicated with the liquid inlet of the first one-way valve 6 and the preparation cavity 2, and the flow rate of the conveying channel is small, and a plurality of heating plates are arranged to heat the enteral nutrient solution in sequence, so that the temperature of the enteral nutrient solution flowing through the pasteurizer 10 can be quickly raised to the temperature required by pasteurization, and the aim of sterilizing the enteral nutrient solution is further achieved.

Since the temperature of the enteral nutrient solution injected into the human body needs to be controlled within a range which is not much different from the temperature of the human body (specifically: 33-36 ℃), therefore, it is also necessary to cool the enteral nutrition solution sterilized by the pasteurizer 10, and based on this, in the embodiment of the present invention shown in fig. 1, a heat insulation partition board 11 can be vertically arranged in the conveying cavity 3, the conveying cavity 3 is divided into a cooling chamber 12 and a heating chamber 13 by the heat insulation partition board 11, a communication hole 14 is arranged at the bottom of the heat insulation partition board 11, a second one-way valve 21 is arranged in the communication hole 14, the cooling chamber 12 is used for cooling the enteral nutrient solution, when the pressure in the enteral nutrient solution in the temperature decrease chamber 12 is sufficient, the second check valve 21 is opened to feed the enteral nutrient solution to the heating chamber, and the heating chamber 13 can increase the temperature of the enteral nutrient solution after temperature decrease again so that the temperature of the enteral nutrient solution injected into the human body meets the requirement.

In order to perform the cooling treatment on the enteral nutrition solution, referring to fig. 1, the cooling chamber 12 may be provided with a plurality of second cooling rods 15, and the plurality of second cooling rods 15 may be fixedly disposed on the inner wall of the cooling chamber 12 at equal intervals in the vertical direction.

In order to raise the temperature of the cooled enteral nutrient solution again, in the embodiment of the present invention, referring to fig. 1, a second heating power supply 16 may be provided on the top of the heating chamber 13, a plurality of heating rods 17 may be provided in the heating chamber 13, the plurality of heating rods 17 may be fixedly provided in a ring shape on the top of the inner wall of the heating chamber 13 (as shown in fig. 4), and the plurality of heating rods 17 may be electrically connected to the second heating power supply 16, that is, the purpose of raising the temperature of the enteral nutrient solution again may be achieved by the heating rods.

Referring to fig. 1, in the embodiment of the present invention, a second peristaltic pump 18 may be disposed at the bottom of the heating chamber 13, an infusion outlet 19 connected to the outside is disposed at the bottom of the heating chamber 13, and an output end of the second peristaltic pump 18 is connected to the infusion outlet 19, so as to pump the warmed enteral nutrition solution to the human body.

In addition, it is found in clinic that the enteral nutrient solution tube can be dripped into the alimentary canal after being heated by the heater for several minutes, so that the effective temperature of the enteral nutrient solution can not be effectively ensured, the situations of diarrhea, abdominal distension and the like of patients after the enteral nutrient solution is pumped frequently occur, and the external heater on the injection pipeline is used when the body position of the patients changes every time, which may vary in position and may cause skin burns due to contact or pressure with the patient's skin, and based on this, in connection with fig. 1, a temperature sensor 20 may be provided in the infusion outlet 19 of the embodiment of the present invention, the temperature sensor 20 can measure the temperature of the enteral feeding solution in the feeding outlet 19 in real time, furthermore, the heating of the heating rod 17 is controlled according to the collected temperature information, so that the temperature of the enteral nutrition liquid at the infusion outlet 19 is ensured to be stable, the temperature of the enteral nutrition liquid entering the human body is further ensured to be stable, and the phenomenon is avoided.

In addition, the outer surface of the tank body 1 can be provided with a man-machine interaction module, and the man-machine interaction module can control the starting or the closing of the driving motor, the first peristaltic pump, the second peristaltic pump, the first heating power supply and the second heating power supply.

It should be noted that the human-computer interaction module can collect the temperature information collected by the temperature sensor, and then control the second heating power supply to be turned on or off, so as to ensure the temperature of the enteral nutrition liquid at the infusion outlet 19 to be stable.

In the embodiment of the invention, the first heating power supply and the second heating power supply can store fixed electric quantity, and can be provided with the USB interface, so that when the electric quantity is insufficient, quick charging can be carried out.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An enteral nutrition dispenser, characterized in that the dispenser comprises a tank body (1), a dispensing chamber (2), a delivery chamber (3), a delivery channel (4), a first peristaltic pump (5) and a first one-way valve (6), wherein the preparation cavity (2) and the conveying cavity (3) are separately arranged in the tank body (1), a plurality of first cooling rods (7) are arranged in the preparation cavity (2), two ends of the conveying channel (4) are respectively communicated with the preparation cavity (2) and the conveying cavity (3), the first peristaltic pump (5) is arranged in the preparation cavity (2), the output end of the first peristaltic pump (5) is communicated with the end part of the conveying channel (4) which is communicated with the preparation cavity (2), the first one-way valve (6) is arranged in the conveying channel (4); the plurality of first cooling rods (7) are vertically arranged in multiple layers, one end of each layer of the plurality of first cooling rods (7) is fixedly arranged on the inner wall of the preparation cavity (2), the other end of each layer of the plurality of first cooling rods (7) extends to the direction of the vertical central axis of the preparation cavity (2) along the horizontal direction, and a distance is reserved between the other end of each layer of the plurality of first cooling rods (7) and the vertical central axis of the preparation cavity (2);

a magnetic stirring rod (8) is arranged in the preparation cavity (2), the magnetic stirring rod (8) is positioned on a vertical central shaft of the preparation cavity (2), and a rotating magnetic field device (9) for driving the magnetic stirring rod (8) to rotate is arranged on the top of the outer wall of the preparation cavity (2);

the rotating magnetic field device (9) comprises a base body (9.1), a driving motor (9.2) and a magnet (9.3) capable of driving the magnetic stirring rod (8) to rotate, the base body (9.1) is fixedly arranged on the top of the outer wall of the preparation cavity (2), the driving motor (9.2) is arranged on the base body (9.1), the output end of the driving motor (9.2) extends in the direction of the top of the outer wall of the preparation cavity (2) along the vertical direction, and the magnet (9.3) is fixedly arranged on the output shaft of the driving motor (9.2);

the preparation device further comprises a pasteurizer (10), the pasteurizer (10) comprises a first heating power supply (10.1) and a plurality of heating plates (10.2), the first heating power supply (10.1) is arranged in the tank body (1), the plurality of heating plates (10.2) are electrically connected with the first heating power supply (10.1), the plurality of heating plates (10.2) are arranged in a conveying channel (4) communicated with the preparation cavity (2) and a liquid inlet of the first one-way valve (6) at equal intervals, and each heating plate (10.2) is provided with a latticed liquid through hole (10.3);

a heat insulation partition plate (11) is vertically arranged in the conveying cavity (3), the conveying cavity (3) is divided into a cooling chamber (12) and a heating chamber (13) by the heat insulation partition plate (11), a communication hole (14) is formed in the bottom of the heat insulation partition plate (11), and a second one-way valve (21) is arranged in the communication hole (14);

a plurality of second cooling rods (15) which are transversely arranged are fixedly arranged in the cooling chamber (12) at equal intervals along the vertical direction;

the top of heating chamber (13) is provided with second heating power supply (16), be provided with a plurality of heating rod (17) in heating chamber (13), it is a plurality of heating rod (17) are cyclic annular fixed the setting on the top of heating chamber (13) inner wall, it is a plurality of heating rod (17) all with second heating power supply (16) electricity is connected.

2. An enteral feeding dispenser according to claim 1, wherein a second peristaltic pump (18) is provided at the bottom inside the heating chamber (13), the bottom of the heating chamber (13) is provided with an externally connected feeding outlet (19), and the output end of the second peristaltic pump (18) is in communication with the feeding outlet (19).

3. An enteral feeding set according to claim 2, wherein a temperature sensor (20) is provided in the infusion outlet (19).