CN108542433A - A kind of gastric juice automatic measurement refluxing device - Google Patents

Abstract

The gastric juice automatic measurement and reinfusion device of the present invention includes a tank body, an upper cover, a micro air pump, a control circuit, a liquid inlet pipe and an air suction pipe, and is characterized in that the lower end of the liquid inlet pipe is located at the bottom of the tank body, and one end of the air suction pipe is located at the bottom of the tank body. The top of the body, the other end is connected with the micro air pump, and the liquid level sensor for measuring the height of gastric juice is fixed on the upper cover; the control circuit is composed of a microcontroller, a power management module and a forward and reverse controller, and the output of the microcontroller The reverse controller controls the motor of the micro air pump. The gastric juice automatic measurement and reinfusion device of the present invention can start the micro air pump to extract the gastric juice in the stomach. After the analysis and sampling of the extracted gastric juice, by controlling the reversal of the micro air pump, the gastric juice in the tank can be automatically discharged according to the set capacity. When it is reinfused into the patient's body, the entire process of aspiration and reinfusion of gastric juice is completed in a relatively airtight aseptic state, which solves the problems of tediousness, easy pollution and low efficiency when suctioning gastric juice through a syringe.

Description

A device for automatic gastric juice measurement and reinfusion

technical field

The invention relates to an automatic gastric juice measurement and reinfusion device, more specifically, an automatic gastric juice measurement and reinfusion device that can measure and reinject the extracted gastric juice.

Background technique

Gastric juice is the assembly of gastric secretions. Pure gastric juice is a colorless transparent liquid, which includes water, electrolytes, lipids, proteins and hormones. For critically ill patients, gastric emptying disorder and large amount of gastric juice retention often occur, resulting in difficulty in feeding patients through nasal feeding through a gastric tube, and the risk of vomiting, aspiration pneumonia and malnutrition increases. Therefore, such patients often need to extract gastric juice through gastric tube or nasal feeding tube to measure the residual amount of gastric juice, so as to understand the status of gastric emptying and manage patients accurately. Extraction, due to the limited capacity of the syringe, when the amount of gastric juice is large, it needs to be extracted multiple times, and the extracted gastric juice is temporarily stored in the corresponding container; after the gastric juice is extracted, a certain amount of gastric juice needs to be returned to the patient's stomach according to the situation of gastric emptying. , to ensure the normal digestion of gastric juice. However, the process of extracting, storing, and reinfusing gastric juice is extremely cumbersome, which not only greatly increases the workload of nursing care, but also easily causes contamination of gastric juice, which is not conducive to the analysis and measurement of gastric juice, and is not conducive to the treatment and rehabilitation of patients.

Contents of the invention

In order to overcome the disadvantages of the above-mentioned technical problems, the present invention provides an automatic gastric juice measurement and reinfusion device.

The gastric juice automatic measurement and reinfusion device of the present invention includes a tank body, an upper cover, a micro air pump, a control circuit, a liquid inlet tube and an air extraction tube, the inside of the tank body is a cavity for storing gastric juice, and the upper cover is arranged on the upper opening of the tank body On the top, the liquid inlet pipe and the exhaust pipe are set through the upper cover, and there are two air ports on the micro air pump; the characteristic is that the lower end of the liquid inlet pipe is located at the bottom of the tank, and the upper end is provided with a joint connected with the nasal feeding tube; One end of the suction pipe is located on the top of the tank body, and the other end is connected with an air port of the micro-air pump. The other air port of the micro-air pump is provided with an air inlet and outlet pipe; liquid level sensor;

The control circuit is composed of a microcontroller, a power management module and a forward and reverse controller. The housing of the control circuit is provided with control buttons and a display screen that are connected to the microcontroller. The liquid level sensor is connected to the input terminal of the microcontroller. connection, the output of the microcontroller controls the motor of the micro air pump through the forward and reverse controller; the power management module is powered by a battery or a 220V AC power socket, and the power management module controls the liquid level sensor, microcontroller, micro air pump and display Provides a stable DC power supply.

In the gastric juice automatic measurement and reinfusion device of the present invention, a first telescopic part is arranged on the liquid inlet pipe outside the tank body. The air suction pipe is composed of two sections, and the two ends of the air suction pipe are sealed and connected by a connecting sleeve. The second telescopic part is arranged on it.

In the gastric juice automatic measurement and reinfusion device of the present invention, bacterial filters are arranged on the suction pipe and the air inlet and outlet pipes.

The gastric juice automatic measurement and reinfusion device of the present invention includes a spare suction pipe installed through the upper cover, the lower end of the spare suction pipe is located at the top of the inner cavity of the tank body, and the upper end is an inverted triangular part for easy connection with the negative pressure suction pipe; The upper end of the exhaust pipe is provided with a sealing cover for closing it.

In the gastric juice automatic measurement and reinfusion device of the present invention, two left ear mounts and two right ear mounts are respectively arranged on both sides of the tank body, slots are opened on the left ear mount and the right ear mount, and the control circuit The housing of the miniature air pump is provided with a board matching the slot on the left ear seat, and the housing of the micro air pump is provided with a board matching the slot on the right ear seat.

In the gastric juice automatic measurement and reinfusion device of the present invention, the outer wall of the tank body is provided with scale lines marking the gastric juice volume therein.

In the gastric juice automatic measurement and reinfusion device of the present invention, the control buttons include a power button, a suction button, a reinjection button, an increase button and a decrement button, and the increase button and the decrement button set the amount of gastric juice reinfused .

In the gastric juice automatic measurement and reinfusion device of the present invention, the data displayed on the display screen include suction time, total gastric juice volume and reinfusion fluid volume.

In the gastric juice automatic measurement and reinfusion device of the present invention, the upper cover is connected with the tank body through threads.

The beneficial effects of the present invention are: the gastric juice automatic measurement and reinfusion device of the present invention, by setting the tank body, micro air pump, liquid inlet pipe, air suction pipe, liquid level sensor, microcontroller and forward and reverse controller, the liquid inlet pipe passes through the joint After connecting with the patient's gastric tube or nasal feeding tube, the gastric juice in the patient's stomach can be pumped out by starting the micro air pump, and the amount of the pumped gastric juice is automatically measured by the liquid level sensor, and displayed on the display screen; the pumped gastric juice analysis, After the sampling is completed, the gastric juice in the tank can be automatically injected back into the patient's body by controlling the reversal of the miniature air pump. The method has the problems of cumbersomeness, easy pollution and low efficiency when sucking gastric juice through a syringe, has remarkable beneficial effects and is suitable for application and popularization.

Further, the assembly and disassembly of the upper cover and the tank body are facilitated by setting the suction pipe in two sections; by setting bacterial filters on both air ports of the micro air pump, bacteria in the external environment are avoided when gastric juice is reinjected. Contaminate gastric juice. Gastric juice extraction can also be achieved by setting up a spare suction tube and connecting the backup tube with the negative pressure system of the hospital.

Description of drawings

Fig. 1 is the front view of the automatic gastric juice measurement reinfusion device of the present invention;

Fig. 2 is a top view of the gastric juice automatic measurement reinfusion device of the present invention;

Fig. 3 is a cross-sectional view of the gastric juice automatic measurement and reinfusion device of the present invention;

Fig. 4 is the schematic diagram of the circuit part in the gastric juice automatic measurement reinfusion device of the present invention;

Fig. 5 is a principle diagram of the use of the gastric juice automatic measurement and reinfusion device of the present invention.

In the figure: 1 tank body, 2 upper cover, 3 micro air pump, 4 control circuit, 5 liquid inlet pipe, 6 exhaust pipe, 7 liquid level sensor, 8 display screen, 9 joint, 10 air inlet and outlet pipe, 11 first telescopic part, 12 The second expansion part, 13 Bacterial filter, 14 Connecting sleeve, 15 Spare exhaust pipe, 16 Control button, 17 Power plug, 18 Microcontroller, 19 Switch button, 20 Suction button, 21 Return button, 22 Battery, 23 Power management module, 24 Forward and reverse controller, 25 Hospital bed, 26 Patients, 27 Nasogastric feeding tube, 28 Suction negative pressure interface, 29 Suction negative pressure tube, 30 Left ear socket, 31 Right ear socket, 32 Slot, 33 Plug Board, 34 increment keys, 35 decrement keys.

Detailed ways

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

As shown in Fig. 1, Fig. 2 and Fig. 3, the front view, top view and cross-sectional view of the automatic gastric juice measurement and reinfusion device of the present invention are provided respectively. , a micro air pump 3, a control circuit 4, a liquid inlet pipe 5, an air extraction pipe 6, a liquid level sensor 7, a display screen 8 and control buttons 16, the upper end of the shown tank body 1 is open, the interior is a cavity for storing gastric juice, and the upper cover 2 is arranged on the opening of the tank body 1, so that the interior of the tank body 1 forms a sealed cavity; the upper cover 2 and the tank body 1 can be connected by threads, which can not only ensure the sealed connection, but also facilitate cleaning after disassembly. The shown micro air pump 3 is fixed on the outer wall of the tank body 1, and the micro air pump 3 is provided with two air ports. The liquid inlet pipe 5 and the exhaust pipe 6 are set through the upper cover 2, and the lower end of the liquid inlet pipe 5 extends to the bottom of the tank body 1 to facilitate the reinjection of gastric juice; the upper end of the liquid inlet pipe 5 is provided with a joint 9, the joint 9 is used to connect with gastric tube or nasal feeding tube. The lower end of the suction tube 6 is positioned at the top of the inner cavity of the tank body 1, and the other end is connected with an air port of the micro air pump 3, so that the gastric juice in the tank body 1 will not be extracted out during the gastric juice extraction process by the suction tube 6.

The liquid level sensor 7 shown is arranged on the upper cover 2, and the lower end of the liquid level sensor 7 extends into the bottom of the tank body 1, so as to measure the height of the gastric juice in the tank body 1, and then realize the measurement of the gastric juice volume. The control circuit 4 realizes the suction and reinjection of the patient's gastric juice and the measurement of the gastric juice through the control of the micro air pump 3 . The display screen 8 and the control button 16 are all arranged on the housing of the control circuit. The control button 16 is composed of a switch button 19, a suction button 20, a refill button 21, an increment button 34 and a decrement button 35. Press the switch button 19 Power on the entire control circuit 4, press the suction button 20 to start the micro air pump 3 to suck outwards, so as to pump the gastric juice into the tank body 1; Gas is injected into the body to force gastric juice back into the patient's stomach. The amount of the reinfused solution can be adjusted by the increment button 34 and the decrement button 35. When the patient's gastric juice volume is not large (such as less than 200ml), all the extracted gastric juice can be reinfused; when the patient's gastric juice volume is large ( If it is more than 200ml), then part of it should be reinfused. During partial reinfusion, the amount of gastric juice to be reinfused can be set by the increment button 34 and the decrement button 35. The information displayed on the display screen 8 includes suction time, total gastric fluid volume and reinfusion fluid volume.

The shown external liquid inlet tube 5 is provided with a first telescopic part 11, so that the liquid inlet tube 5 is extended and connected with a gastric tube or a nasal feeding tube. The air extraction pipe 6 shown is composed of two sections, and the two ends of the air extraction pipe 6 are sealed and connected by the connecting sleeve 14. The insertion form of the two sections of the air extraction pipe 6 makes the upper cover 2 and the tank body 1 can be made into separate parts. form. The air extraction pipe 6 is provided with a second telescopic portion 12, an air port of the micro air pump 3 is communicated with the air extraction pipe 6, another air port is communicated with the inlet and outlet air pipe 10, and the inlet and outlet air pipe 10 is communicated with the outside world. The gas in the container is drawn out or the outside air is drawn into the tank body 1 to respectively realize the suction and reinjection of gastric juice. Bacteria filters 13 are provided on the suction pipe 6 and the air inlet and outlet pipes 10, so as to prevent external bacteria from entering the tank body 1 and causing contamination of the gastric juice during refilling of the gastric juice.

Two left ear mounts 30 and two right ear mounts 31 are respectively provided on both sides of the shown tank body 1, slots 32 are provided on the left ear mounts 30 and right ear mounts 31, and the housing of the control circuit 4 is provided with There is a plugboard 33 that matches the slot 32 of 30 on the left ear seat, and the housing of the micro air pump 3 is provided with a plugboard 33 that matches the slot 32 on the right ear seat 31, so that the shell of the control circuit 4 Both the body and the micro air pump 3 can be detachably arranged on the tank body 1, and the tank body 1 and the upper cover 2 are disposable consumables to avoid cross-infection between patients.

The shown upper cover 2 is also provided with a spare air extraction pipe 15, the lower end of the spare air extraction pipe 15 is located at the top of the inner cavity of the tank body 1, and the upper end of the spare air extraction pipe 15 is provided with an inverted triangular part to pass through the negative pressure suction pipe 29 and The negative pressure connector on the head of the bed is connected to realize the negative pressure on the tank body 1, and then realize the gastric juice suction operation; so that it can be used when the power supply cannot be obtained. The liquid inlet pipe 5 , the exhaust pipe 6 and the spare exhaust pipe 15 are all provided with sealing sleeves on the outer periphery of the part passing through the upper cover 2 to ensure that the inner cavity of the tank body 1 has good sealing performance. The outer wall of the shown tank body 1 is provided with scale lines marking the amount of gastric juice therein, such as 100ml, 200ml, . . . , 1L as shown in the figure.

As shown in Figure 4, the schematic diagram of the circuit part in the gastric juice automatic measurement and reinfusion device of the present invention is provided, the microcontroller 18 shown has the functions of signal acquisition, data calculation and control output, switch button 19, suction button 20 are all connected to the input end of the microcontroller 18, and the liquid level sensor 7 is also connected to the input end of the microcontroller 18 to realize the calculation of the gastric juice volume by measuring the height of the gastric juice. The display screen 8 is connected to the output end of the microcontroller 18, and the microcontroller 18 controls the forward and reverse state of the micro air pump 3 through the forward and reverse controller 24, so as to realize the suction and reinjection of gastric juice. The power management module 23 is powered by the 220V AC power socket 17 or the battery 22 , and the power management module 23 provides a stable DC voltage for the liquid level sensor 7 , microcontroller 18 , forward and reverse controller 24 and display screen 8 .

As shown in Figure 5, the principle diagram of the use of the gastric juice automatic measurement and reinfusion device of the present invention is provided. , it is usually necessary to pump out the gastric juice in the stomach, and provide a reliable reference for the treatment and diagnosis of the patient by measuring the amount of gastric juice or testing the gastric juice.

When in use, first insert the housing of the control circuit 4 on the left ear seat 30, insert the micro air pump 3 on the right ear seat 31, then connect the liquid inlet tube 5 with the nasal feeding tube 27, and then press the switch button 19 Start the gastric juice automatic measurement and reinfusion device, then press the suction button 20 to make the micro air pump 3 pump air to the outside through the suction pipe 6, the air pressure in the tank body 1 is reduced, and the gastric juice in the patient 26 can pass through the liquid inlet pipe 5 into the inner cavity of tank body 1. When the liquid inlet pipe 5 basically has no gastric juice flowing out or the suction time reaches the requirement, press the switch button 19 to end the suction of gastric juice. By observing the scale line on the outer wall of the tank body 1 or the indication of the total gastric juice volume on the display screen 8, the extracted gastric juice volume can be obtained.

If it is necessary to sample the gastric juice, unplug the connection between the liquid inlet tube 5 and the nasal feeding tube 27, and press the refill button 21 for a short time to discharge a small amount of gastric juice from the joint 9 of the liquid inlet tube 5 for Gastric fluid sampling. After the gastric juice is extracted, the gastric juice needs to be reinjected into the patient's body. By pressing the reinjection button 21, the micro air pump 3 draws gas from the inlet and outlet trachea 10, and injects gas into the tank 1 through the suction tube 6, so that the tank 1 The gastric juice in the tank is reinjected into the patient's body; in the process of gastric juice reinjection, the amount of gastric juice reinjection can be controlled by observing the scale on the tank body 1 or the amount of reinjected liquid on the display screen 8 . When the power supply is not easy to obtain, the spare suction tube 15 can be connected with the general negative pressure interface 28 through the negative pressure tube 29 to perform gastric juice suction operation.

Claims (9)

1. a kind of gastric juice automatic measurement refluxing device, including tank body（1）, upper cover（2）, micro air pump（3）, control circuit（4）, into Liquid pipe（5）And exhaust tube（6）, the inside of tank body is the cavity for storing gastric juice, and upper cover is set in the upper end opening of tank body, feed liquor Pipe, exhaust tube are configured through upper cover, and there are two gas ports for setting on micro air pump；It is characterized in that：The lower end of inlet tube Positioned at the bottom of tank body, upper end is provided with the connector being connected with nasogastric tube（9）；One end of exhaust tube is located at the top of tank body, The other end is connected with a gas port of micro air pump, is provided with into escape pipe on another gas port of micro air pump（10）；Institute State the liquid level sensor for being fixed with and being stretched into tank body for measuring gastric juice height on lid（7）；

Control circuit is by microcontroller（18）, power management module（23）And positive and negative rotating controller（24）Composition, control circuit The control button being connected with microcontroller is provided on shell（16）And display screen（8）, liquid level sensor and microcontroller Input terminal be connected, the output of microcontroller controls the motor of micro air pump through positive and negative rotating controller；Power management Module is by accumulator（22）Or 220V AC Power supply sockets（17）Power supply, power management module to liquid level sensor, microcontroller, Micro air pump and display screen provide stable dc power supply.

2. gastric juice automatic measurement refluxing device according to claim 1, it is characterised in that：Positioned at tank body（1）It is external into Liquid pipe（5）On be provided with the first pars contractilis（11）, the exhaust tube（6）It is formed by two sections, through connection between the both ends of exhaust tube Set（14）It is tightly connected, the second pars contractilis is provided on exhaust tube（12）.

3. gastric juice automatic measurement refluxing device according to claim 1 or 2, it is characterised in that：The exhaust tube（6）With into Escape pipe（10）On be both provided with biofilter（13）.

4. gastric juice automatic measurement refluxing device according to claim 1 or 2, it is characterised in that：Including running through upper cover（1）Into The spare exhaust tube of row setting（15）, the lower end of spare exhaust tube is located at tank body（1）The top of internal cavities, upper end for ease of with Take out the inverted triangle portion that negative tube is connected；The upper end of exhaust tube is provided with to its closed sealing cover.

5. gastric juice automatic measurement refluxing device according to claim 1 or 2, it is characterised in that：The tank body（1）Both sides Left ear base there are two being respectively set（30）With two right ear bases（31）, slot is offered on left ear base and right ear base（32）, institute State the matched plate of slot being provided on the shell of control circuit on left ear base（33）, micro air pump（3）Shell on It is provided with and the matched plate of slot on right ear base.

6. gastric juice automatic measurement refluxing device according to claim 1 or 2, it is characterised in that：The tank body（1）Outer wall On be provided with to graduation mark that wherein gastric juice volume is indicated.

7. gastric juice automatic measurement refluxing device according to claim 1 or 2, it is characterised in that：The control button（16） Including power button（19）, suction button（20）, re-injection button（21）, increment button（34）With decrement button（35）, increment presses Key and decrement button set the gastric juice amount of feedback.

8. gastric juice automatic measurement refluxing device according to claim 1 or 2, it is characterised in that：The display screen（8）It is upper aobvious The data shown include suction time, total gastric juice amount and re-injection liquid measure.

9. gastric juice automatic measurement refluxing device according to claim 1 or 2, it is characterised in that：The upper cover（2）With tank body （1）It is connected through screw thread.