CN114831893A - Nutrient solution constant temperature conveyor in intestines - Google Patents

Abstract

The invention discloses a constant temperature conveying device for enteral nutrient solution, comprising an upper nutrient solution container for storing enteral nutrient solution and a lower nutrient solution container for heating enteral nutrient solution, the upper nutrient solution container and the lower nutrient solution container Stacked in the vertical direction, the nutrient solution upper container and the nutrient solution lower container are connected through a three-way assembly, the nutrient solution upper container is mainly used as an enteral nutrient solution storage container, and the nutrient solution lower container is mainly used as an enteral nutrient solution heating container. Moreover, the nutrient solution upper container and the nutrient solution lower container can be mixed with each other to realize the heating of the enteral nutrient solution. At the same time, the nutrient solution upper container and the nutrient solution lower container can simultaneously or separately export the enteral nutrient solution, which is convenient to use and can take into account both the storage and heating.

Description

An enteral nutrient solution constant temperature delivery device

technical field

The invention relates to the technical field of medical devices, in particular to a constant temperature delivery device for enteral nutrient solution.

Background technique

Enteral nutrition contains a variety of nutrients needed by human beings. It is suitable for patients with insufficient gastrointestinal function or part of the gastrointestinal tract and cannot eat a sufficient amount of conventional food to meet the nutritional needs of the body. The nutrient solution needs to be heated to a temperature suitable for intestinal absorption. Too low temperature can easily cause abdominal discomfort or diarrhea, nutrient absorption disorder or other symptoms.

Existing heating devices for enteral nutrient solution mostly heat the infusion tube. Such a heating method is unstable and the heating effect is not good. Often, the nutrient solution is delivered to the patient before it has been heated to a suitable temperature. This causes discomfort to the patient, and at the same time, the existing nutrient solution delivery device is set in a single unit, which cannot effectively store or heat the enteral nutrient solution, which has great limitations.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a constant temperature conveying device for enteral nutrient solution, the nutrient solution upper container and the nutrient solution lower container are arranged in a stacking manner, the nutrient solution upper container is mainly used as an enteral nutrient solution storage container, and the nutrient solution lower container is mainly used as The enteral nutrient solution heating container, and the nutrient solution upper container and the nutrient solution lower container can be mixed with each other to realize the heating of the enteral nutrient solution, at the same time, the nutrient solution upper container and the nutrient solution lower container can simultaneously or separately export the enteral nutrient solution, using Good convenience, can take into account both storage and heating.

The object of the present invention can be realized through the following technical solutions:

An enteral nutrient solution constant temperature delivery device, comprising a nutrient solution upper container for storing enteral nutrient solution and a nutrient solution lower container for heating enteral nutrient solution, the nutrient solution upper container and the nutrient solution lower container are in a vertical direction The nutrient solution upper container is connected with the nutrient solution lower container through a three-way assembly;

The joint pipeline connecting the three-way assembly with the nutrient solution upper container and the nutrient solution lower container is provided with a control valve, and the other joint of the three-way assembly is connected with a liquid feeding pipeline, and the other end of the liquid feeding pipeline is connected to the On the infusion pipeline, the infusion pipeline is connected to the solution outlet at the bottom of the container under the nutrient solution;

A fourth control valve is arranged on the liquid delivery pipeline, and a first control valve is arranged on the delivery pipeline.

As a further solution of the present invention, a filter screen is arranged between the interface of the three-way assembly and the nutrient solution upper container and the nutrient solution lower container.

As a further solution of the present invention: the top of the nutrient solution upper container is provided with a liquid inlet, and the liquid inlet is threadedly connected with an upper cover.

As a further solution of the present invention: the bottom of the nutrient solution container is clamped with a heating base, and the heating base includes a power tube for solution heating, a solution temperature sensor for temperature monitoring, and an anti-drying device for the nutrient solution container. Burn the temperature sensor.

As a further solution of the present invention: a concave diversion groove is formed on the inner bottom surface of the nutrient solution subcontainer, and a diversion channel is formed on the inner surface of the concave diversion groove, and the diversion channel runs through the nutrient solution. The side setting of the submerged container.

As a further solution of the present invention, a quick connector is connected to one end of the end of the nutrient solution lower container through the diversion channel, and the quick connector is connected to the infusion pipeline.

As a further solution of the present invention, the top side of the nutrient solution upper container and the nutrient solution lower container are provided with exhaust mechanisms for heat dissipation.

As a further solution of the present invention: the exhaust mechanism includes an exhaust channel penetrating through the nutrient solution upper container or the nutrient solution lower container, an annular block is arranged inside the exhaust channel, and a tension spring is arranged on the bottom surface of the annular block, The bottom end of the tension spring is fixedly connected with the top surface of the diaphragm, and under the action of the tension of the tension spring, the diaphragm and the bottom of the exhaust channel are closely attached to form a seal.

As a further solution of the present invention, a guide post is arranged on the exhaust passage, and the guide post penetrates through the annular block and is fixedly connected to the diaphragm through the tension spring.

As a further solution of the present invention, the upper end of the guide column is higher than the upper end surface of the exhaust passage and is connected with a pressing block.

Beneficial effects of the present invention:

(1) the present invention sets the nutrient solution upper container and the nutrient solution lower container by stacking, the nutrient solution upper container is mainly used as an enteral nutrient solution storage container, and the nutrient solution lower container is mainly used as an enteral nutrient solution heating container, and the nutrient solution upper container is mainly used as an enteral nutrient solution heating container. The container and the container under the nutrient solution can be mixed with each other to realize the heating of the enteral nutrient solution, and can realize the storage and heating of the enteral nutrient solution;

(2) In the present invention, a three-way assembly is provided between the nutrient solution upper container and the nutrient solution lower container, and through the coordinated control of a plurality of control valves, the enteral nutrient solution in the nutrient solution upper container and the nutrient solution lower container can be simultaneously or The enteral nutrition solution is exported separately, which is convenient to use;

(3) in the present invention, the enteral nutrient solution in the nutrient solution upper container and the nutrient solution lower container can realize mutual conversion by shaking, and realize the heat exchange of the enteral nutrient solution, so as to realize the nutrient solution upper container and the nutrient solution lower container in the nutrient solution upper container and the nutrient solution lower container. The solution reaches the appropriate temperature required by the patient, with high flexibility;

(4) In the present invention, an exhaust mechanism is provided on the top of the nutrient solution upper container and the nutrient solution lower container. When the heating temperature of the enteral nutrient solution in the nutrient solution upper container and the nutrient solution lower container is too high, it will cause slow heat dissipation or nutrient solution. When the air pressure in the upper container and the lower container of the nutrient solution is too high, the extrusion block can be manually pressed to drive the guide column to squeeze the diaphragm downward, so that the exhaust port of the diaphragm and the exhaust channel can be opened, and the intestinal tract can be opened. The inner nutrient solution dissipates heat through the exhaust channel, and has strong practicability.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of the front view of the present invention;

Fig. 2 is the structural representation of the container under the nutrient solution of the present invention;

Fig. 3 is the structural representation of the enlarged view at A place in Fig. 2;

Fig. 4 is the structural representation of the filter screen of the present invention;

Fig. 5 is the structural representation of the temperature sensor slot of the present invention;

Fig. 6 is the structural representation of the diversion channel of the present invention;

FIG. 7 is a schematic view of the structure of the heating base of the present invention.

In the figure: 1. nutrient solution upper container; 101, upper cover; 102, cylindrical groove; 103, limit block; 104, filter screen;

2. The container under the nutrient solution; 201, the temperature sensor slot; 202, the concave diversion groove; 203, the diversion channel; 204, the infusion pipeline; 205, the control valve 1;

3. Three-way assembly; 301, control valve two; 302, control valve three; 303, liquid delivery pipeline; 304, control valve four;

4. Exhaust mechanism; 401, exhaust passage; 402, annular block; 403, tension spring; 404, guide post; 405, diaphragm; 406, extrusion block;

5. Heating base; 501, controller; 502, display panel; 503, spring base; 504, spring; 505, anti-dry temperature sensor; 506, metal gasket; 507, heat resistance gasket; 508, solution temperature sensor ; 509, power tube.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 , the present invention is a constant temperature delivery device for enteral nutrient solution, including a nutrient solution upper container 1 and a nutrient solution lower container 2, and under normal circumstances, the nutrient solution upper container 1 is located in the positive direction of the nutrient solution lower container 2 Above, the nutrient solution upper container 1 and the nutrient solution lower container 2 are connected by the tee assembly 3;

Referring to Fig. 2, Fig. 4, the end face where the nutrient solution upper container 1 and the nutrient solution lower container 2 are connected with the tee assembly 3 is provided with a cylindrical groove 102 to the inside of the container, and the inner surface of the cylindrical groove 102 is provided with An inner thread connected with the end of the tee assembly 3, and a limit block 103 with a ring structure is arranged at the bottom of the groove of the cylindrical groove 102, and a filter screen 104 is set on the limit block 103;

When in use, a filter screen 104 is set in the cylindrical groove 102 of the nutrient solution upper container 1 and the nutrient solution lower container 2, and the nutrient solution upper container 1 and the nutrient solution lower container 2 are threadedly connected on the joint of the tee assembly 3, Thereby, the port of the tee assembly 3 and the limit block 103 are squeezed to complete the locking of the filter screen 104, and the blocking of the enteral nutrient solution caking is realized;

1, a control valve two 301 is provided on the pipeline connecting the three-way assembly 3 and the nutrient solution upper container 1, and a control valve three 302 is provided on the pipeline connecting the three-way component 3 and the nutrient solution lower container 2, and the three-way The other interface of the component 3 is connected with a liquid feeding pipe 303, the other end of the liquid feeding pipe 303 is connected with the liquid feeding pipe 204, and a control valve 4 304 is arranged on the liquid feeding pipe 303;

The top of the nutrient solution upper container 1 is provided with a liquid inlet, and the enteral nutrient solution is delivered to the nutrient solution upper container 1 through the liquid inlet, and an upper cover 101 is provided on the liquid inlet, and the nutrient solution is realized through the upper cover 101. The sealing of the upper container 1, thereby realizing that the entire enteral nutrient solution constant temperature delivery device is in a closed device;

The enteral nutrient solution can be filled into the upper nutrient solution container 1, and can also be continuously introduced into the upper nutrient solution container 1 through an external infusion device. The catheter tube of the infusion device is inserted into the upper container 1 of the nutrient solution, and a control valve is set on the delivery pipeline of the catheter tube of the external infusion device to control the introduction amount of the enteral nutrient solution.

Referring to Figure 7, the bottom of the nutrient solution container 2 is connected with a heating base 5 by clamping, wherein, the area where the bottom of the nutrient solution container 2 is clamped with the heating base 5 is a "convex" type cavity structure, and under the nutrient solution A temperature sensor slot 201 for the solution temperature sensor 508 to be erected is vertically opened on one side of the top of the cavity of the container 2, and the temperature sensor slot 201 extends to the inside of the container 2 under the nutrient solution;

The top surface of the heating base 5 is provided with a spring base 503, wherein the spring base 503 is fixed on the heating base 5 by locking screws, a spring 504 is fixedly arranged on the bottom surface of the spring base 503, and a metal gasket is fixedly connected to the top of the spring 504 506, a heat-resisting gasket 507 is bonded on the surface of the metal gasket 506, a power tube 509 is fixedly arranged in the middle of the surface of the metal gasket 506, and the surface of the metal gasket 506 is located on both sides of the power tube 509. There are solution temperature sensor 508 and anti-dry burning temperature sensor 505;

Among them, the solution temperature sensor 508, the anti-dry-burning temperature sensor 505 and the power tube 509 are all arranged through the heat-resistant gasket 507, and the solution temperature sensor 508 is inserted into the temperature sensor slot 201 at the bottom of the nutrient solution container 2, so as to The temperature in the container 2 under the nutrient solution is monitored;

A controller 501 is fixed inside the heating base 5 , a display panel 502 is arranged on the front of the heating base 5 , and control buttons are arranged on both sides of the display panel 502 . The anti-dry temperature sensor 505 is electrically connected;

Among them, the bottom of the heating base 5 is provided with a power jack or a battery for heating the power tube 509. Under the action of the spring 504, the power tube 509, the solution temperature sensor 508 and the anti-dry-burning temperature sensor 505 are connected to the container under the nutrient solution. The heat-conducting surfaces of 2 are tightly attached together, which improves the heating efficiency of the nutrient solution container 2 and also enhances the sensitivity of the solution temperature sensor 508 and the anti-dry-burning temperature sensor 505;

Coating thermal conductive paste on the power tube 509 and the temperature sensor slot 201, and the thermal conductive paste is silver silicone grease, so as to improve the thermal conductivity of the bottom surface of the nutrient solution container 2, so that the heat can be quickly conducted through the bottom surface of the nutrient solution container 2 to the equipment that needs to be heated. Enteral nutrient solution increases the heating speed, and the solution temperature sensor 508 and the anti-dry-burning temperature sensor 505 monitor the working condition of the heating base 5 and the temperature of the solution in the container 2 under the nutrient solution in real time, with high safety performance.

Wherein, the sub-nutrient solution container 2 is clamped with the heating base 5, which can make the disassembly and assembly of the heating base 5 and the sub-nutrient solution container 2 more convenient.

5-6, the bottom surface of the container 2 under the nutrient solution has a certain wall thickness, and the upper surface of the bottom surface of the container 2 under the nutrient solution is provided with a concave guide groove 202, and the inner surface of the concave guide groove 202 is A diversion channel 203 is opened, the diversion channel 203 runs through the side of the nutrient solution lower container 2, the diversion channel 203 runs through the end of the nutrient solution lower container 2 and is connected with a quick connector, and the quick connector is connected with an infusion pipeline 204, the infusion pipeline 204 is provided with a control valve one 205 for controlling on-off;

During use, when the enteral nutrient solution in the nutrient solution subcontainer 2 is exported through the concave diversion groove 202, the enteral nutrient solution in the nutrient solution subcontainer 2 is exported more thoroughly, which can effectively ensure the nutrient solution subcontainer 2. No residual enteral nutrition solution;

Wherein, the concave guide groove 202 does not penetrate the bottom surface of the nutrient solution subcontainer 2 .

Referring to Fig. 2-Fig. 3, an exhaust mechanism 4 is provided on the top side of the nutrient solution upper container 1 and the nutrient solution lower container 2, and the exhaust mechanism 4 includes being arranged on the top of the nutrient solution upper container 1 and the nutrient solution lower container 2. The exhaust channel 401, the exhaust channel 401 is arranged through the nutrient solution upper container 1 or the nutrient solution lower container 2, an annular block 402 is arranged inside the exhaust channel 401, and a tension spring 403 is arranged on the bottom surface of the annular block 402 to pull The bottom end of the spring 403 is fixedly connected with the top surface of the diaphragm 405, and under the pulling force of the tension spring 403, the diaphragm 405 is fixed and closely attached to the bottom of the exhaust channel 401;

A guide post 404 is arranged on the exhaust passage 401, the guide post 404 is arranged through the annular block 402, and the top end of the guide post 404 is higher than the upper end of the exhaust passage 401 and is connected with an extrusion block 406, and the bottom end of the guide post 404 passes through the annular block 402. The overtension spring 403 is fixedly connected to the diaphragm 405 .

When the enteral nutrient solution constant temperature delivery device of the present invention is used:

S1: Introduce the enteral nutrient solution with moderate temperature into the nutrient solution upper container 1 in advance, when the enteral nutrient solution can be introduced into the patient through the nutrient solution upper container 1, close the control valve 3 302 and the control valve 1 205, and open the control valve 2 301 and control valve four 304, so that the enteral nutrition solution is transmitted to the infusion pipeline 204 through the three-way assembly 3 and through the liquid delivery pipeline 303, and the infusion pipeline 204 is connected to the gastric tube to realize the introduction of the enteral nutrition solution into the patient;

S2: when the enteral nutrient solution in the nutrient solution upper container 1 has surplus, close the control valve 2 301, and use the nutrient solution upper container 1 as a storage container to realize the preservation of the enteral nutrient solution;

S3: When the temperature of the enteral nutrient solution in the nutrient solution upper container 1 is too long, the temperature is low, close the control valve 1 205 and the control valve 4 304, open the control valve 2 301 and the control valve 3 302, so that the nutrition The enteral nutrient solution in the upper container 1 enters the lower nutrient solution container 2 through the tee assembly 3, and the power tube 509 is controlled by the heating base 5 to heat the solution in the lower nutrient solution container 2. When heated to a suitable temperature, open the Control valve one 205, so that the enteral nutrient solution is transmitted to the gastric tube through the infusion pipeline 204, so as to realize the introduction of the enteral nutrient solution into the patient's body;

S31: At the same time, the solution temperature sensor 508 and the anti-dry-burning temperature sensor 505 monitor the working condition of the heating base 5 and the temperature of the solution in the container 2 under the nutrient solution in real time;

S4: When enteral nutrient solution is stored in both the nutrient solution upper container 1 and the nutrient solution lower container 2, at the same time, the temperature of the enteral nutrient solution in the nutrient solution upper container 1 is low and unsuitable for use, by heating the base 5 to The enteral nutrient solution in the nutrient solution lower container 2 is heated, the control valve one 205 and the control valve four 304 are closed, the control valve two 301 and the control valve three 302 are opened, and the enteral nutrient solution constant temperature delivery device is manually shaken to make the nutrient solution. The upper container 1 and the enteral nutrient solution in the nutrient solution lower container 2 are mixed, so that the enteral nutrient solution in the nutrient solution upper container 1 and the nutrient solution lower container 2 is heated to reach the feeding temperature required by the patient, and then the nutrient solution is heated. introduction of patients;

S41: When the heating temperature of the enteral nutrient solution in the nutrient solution upper container 1 and the nutrient solution lower container 2 is too high, the heat dissipation is slow or the air pressure in the nutrient solution upper container 1 and the nutrient solution lower container 2 is too high, it can be manually pressed Squeeze the block 406, so that the squeeze block 406 drives the guide post 404 to squeeze the diaphragm 405 downward, so as to open the exhaust port of the diaphragm 405 and the exhaust channel 401, and realize heat dissipation through the exhaust channel 401;

S42 : After the heat dissipation is completed, release the extrusion block 406 , and the diaphragm 405 is reset under the pulling force of the tension spring 403 to realize the closing of the exhaust passage 401 .

An embodiment of the present invention has been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered to limit the scope of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still belong to the scope of the patent of the present invention.

Claims (10)

1. an enteral nutrient solution constant temperature delivery device, is characterized in that, comprises the nutrient solution upper container (1) for storing enteral nutrient solution and the nutrient solution lower container (2) of heating enteral nutrient solution, described nutrient solution The upper container (1) and the lower nutrient solution container (2) are stacked in a vertical direction, and the upper nutrient solution container (1) is communicated with the lower nutrient solution container (2) through a tee assembly (3); A control valve is provided on the joint pipeline connecting the three-way assembly (3) with the nutrient solution upper container (1) and the nutrient solution lower container (2), and another joint of the three-way assembly (3) is connected with a control valve. a liquid delivery pipeline (303), the other end of which is connected to the liquid delivery pipeline (204), and the liquid delivery pipeline (204) is connected to the solution outlet at the bottom of the nutrient solution lower container (2); The liquid feeding pipeline (303) is provided with a control valve four (304), and the conveying pipeline (204) is provided with a control valve one (205). 2. a kind of enteral nutrient solution constant temperature conveying device according to claim 1, is characterized in that, the interface of described three-way assembly (3) and the nutrient solution upper container (1) and the nutrient solution lower container (2) between A filter screen (104) is arranged between. 3. a kind of enteral nutrient solution constant temperature conveying device according to claim 1, is characterized in that, the top of described nutrient solution upper container (1) is provided with liquid inlet, and the liquid inlet is threadedly connected with upper sealing cover (1). 101). 4. a kind of enteral nutrient solution constant temperature conveying device according to claim 1, is characterized in that, the bottom of described nutrient solution lower container (2) is clamped with heating base (5), and described heating base (5) It includes a power tube (509) for solution heating, a solution temperature sensor (508) for temperature monitoring, and an anti-dry-burning temperature sensor (505) for the nutrient solution subcontainer (2). 5. The constant temperature delivery device for enteral nutrient solution according to claim 4, wherein a concave diversion groove (202) is provided on the inner bottom surface of the nutrient solution lower container (2), and the A guide channel (203) is provided on the inner surface of the concave guide groove (202), and the guide channel (203) is arranged through the side surface of the nutrient solution lower container (2). 6. The constant temperature delivery device for enteral nutrient solution according to claim 5, wherein the diversion channel (203) runs through the end of the nutrient solution lower container (2) and is connected with a quick connector, the quick connector Connect with the infusion pipeline (204). 7. a kind of enteral nutrient solution constant temperature conveying device according to claim 1, is characterized in that, the top side of described nutrient solution upper container (1) and nutrient solution lower container (2) is all provided with for heat dissipation Exhaust mechanism (4). 8 . The constant temperature delivery device for enteral nutrient solution according to claim 7 , wherein the exhaust mechanism ( 4 ) comprises an exhaust penetrating through the nutrient solution upper container ( 1 ) or the nutrient solution lower container ( 2 ). 9 . An air passage (401), an annular block (402) is arranged inside the exhaust passage (401), a tension spring (403) is arranged on the bottom surface of the annular block (402), and the bottom end of the tension spring (403) is connected to the diaphragm (405) The top surface is fixedly connected, and under the action of the pulling force of the tension spring (403), the diaphragm (405) and the bottom of the exhaust channel (401) are closely attached to form a seal. 9 . The constant temperature delivery device for enteral nutrient solution according to claim 8 , wherein a guide post (404) is provided on the exhaust passage ( 401 ), and the guide post ( 404 ) penetrates through the annular block ( 402 ). 10 . ) and is fixedly connected to the diaphragm (405) through the tension spring (403). 10 . The constant temperature delivery device for enteral nutrient solution according to claim 9 , wherein the upper end of the guide column ( 404 ) is higher than the upper end surface of the exhaust passage ( 401 ) and is connected with a pressing block ( 406 ) .

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