CN218391659U - Multifunctional injector for nasal feeding patient - Google Patents

Abstract

The utility model discloses a multifunctional injector for nasal feeding patients, which comprises a mask and a controller. The mask includes a body, a connecting mechanism and a forehead fixing plate. The body and the forehead fixing plate are movably connected through the connecting mechanism. An upper arc-shaped veneer and a lower arc-shaped veneer are respectively provided. The upper arc-shaped veneer is provided with a first upper air cushion and a first lower air cushion side by side along the axial direction, and the inner wall of the lower arc-shaped veneer is arranged axially side by side The second upper air cushion and the second lower air cushion, two side blocks are symmetrically arranged on both sides of the body, the outer edge air cushion is arranged along the outer edge of the side block, the inner edge air cushion is arranged along the inner edge of the side block, and the mask The airway communicates with the controller; the utility model cooperates with the controller by setting multiple air cushions to alternately inflate different air cushions, thereby avoiding pressure on the same skin of the patient for a long time, causing pressure sores.

Description

A kind of multi-functional syringe for nasogastric feeding patients

technical field

The utility model relates to the field of medical instruments, in particular to a multifunctional syringe for nasal feeding patients.

Background technique

At present, in clinical treatment, it is difficult for some patients to eat independently. Generally, it is necessary to inject nutrient solution for these patients through nasal feeding method, so as to provide nutrition for the patients, maintain the normal operation of the patient's body, and improve the patient's own resistance to speed up the recovery of the patient. At present, the nasal feeding method is generally realized by placing a nasal feeding tube in the patient's body. Because the liquid food is easy to attach to the inner wall of the nasal feeding tube, it is necessary for the medical staff to rinse the nasal feeding tube in time after injecting the liquid food for the patient. When injecting liquid food for the patient, a simple syringe is generally used to flush the nasal feeding tube first, then extract the flushing liquid from the patient's stomach, and then use the syringe to extract the liquid food that needs to be injected to perform nasal feeding for the patient. The operation steps are complicated and numerous. The work efficiency of medical staff is greatly reduced, and leakage may also be caused in the process of extracting flushing liquid, medicinal liquid and liquid food.

Utility model content

The purpose of this utility model is to solve the above-mentioned deficiencies and provide a multi-functional syringe for nasal feeding patients, which can enable the medical staff to flush the patient's nasal feeding tube coherently and inject liquid food or medicine for the patient through the nasal feeding tube. Avoid spillage of flushing solution, medicine solution and liquid food;

In order to achieve the above purpose, the technical solution adopted by the utility model is: a multifunctional syringe for nasal feeding patients, including a syringe, and also includes a cleaning liquid storage tank, an infusion liquid storage tank, a filter tank, a connector, a heating assembly and The controller has an injection port and two connection ports at the lower end of the syringe;

The cleaning liquid storage tank and the injection liquid storage tank are both arc-shaped, and the cleaning liquid storage tank and the injection liquid storage tank are all set up on the outer wall of the syringe. The lower ends of the cleaning liquid storage tank and the injection liquid storage tank respectively pass through a through valve and two Connect the saliva to communicate;

A one-way valve is movably connected to the injection port, and the one-way valve is connected to the filter tank through a hose, and the filter tank is connected to the connector through a hose;

One part of the heating assembly is arranged in the cleaning liquid storage tank, the other part of the heating assembly is arranged in the injection liquid storage tank, and the controller is electrically connected with the heating assembly.

Preferably, the syringe includes a syringe body, a spacer sleeve, a piston, a thrust spring and a connection sleeve, the spacer sleeve is arranged in the middle section of the syringe body, the piston is slidably arranged in the syringe body, and is located between the bottom end of the syringe body and the middle spacer , the piston is connected with a push rod, the push rod is slidably matched with the spacer sleeve, the thrust spring is sleeved on the push rod, the inner bottom end of the connection sleeve is connected with the end of the push rod away from the piston, and the end of the thrust spring is offset against the spacer sleeve, the thrust The other end of the spring is in contact with the inner bottom end of the connecting sleeve, and the connecting sleeve is slidingly matched with the inner wall of the syringe body.

Preferably, the upper ends of the cleaning liquid storage tank and the injection liquid storage tank are provided with a liquid injection port and an air inlet, the liquid injection port is provided with a rubber plug, and the air inlet is provided with a straight air valve.

Preferably, a filter plate is provided in the filter tank, and a plurality of filter holes are provided on the filter plate.

As a preference, the connector includes a connecting pipe, a tapered silicone sleeve, an adjusting screw sleeve and a U-shaped limit card. The end of the connecting pipe is against the separating boss, and the end of the connecting pipe away from the tapered silicone sleeve is connected to the filter tank through a hose. One side arm of the U-shaped limit card is rotatably connected with the adjusting screw sleeve, and the other side arm of the U-shaped limit card is provided with a gap.

Preferably, the heating assembly includes a plurality of heating sheets, a plurality of heat conducting sheets and two temperature sensors, the plurality of heating sheets are divided into two groups on average, and the two groups of heating sheets are respectively arranged at the inner bottom of the cleaning liquid storage tank and the injection liquid storage tank Each heating sheet is provided with a heat conduction sheet, and two temperature sensors are respectively arranged on the side walls inside the cleaning liquid storage tank and the injection liquid storage tank; the heating sheet and the temperature sensor are electrically connected to the controller.

Preferably, two grip rings are symmetrically arranged on the outer wall of the syringe, and the grip rings are located in the gap between the cleaning liquid storage tank and the injection liquid storage tank.

Compared with the prior art, the utility model has the beneficial effects that:

According to the technical solution of the utility model, the syringe, the cleaning liquid storage tank and the injection liquid storage tank are arranged together, and the flushing of the nasal feeding tube, the extraction of the flushing liquid, the injection of liquid food or medicine, and the re-rinsing of the nasal feeding tube can be performed continuously, saving Save the time of medical staff, improve the work efficiency of medical staff, and avoid the leakage of washing liquid, medicinal liquid and liquid food;

In the technical scheme of the utility model, the heating assembly and the controller are arranged to heat the flushing liquid, liquid food or medicine, so as to prevent the temperature of the flushing liquid, liquid food or medicine from being too low, stimulating the patient's stomach and causing discomfort to the patient.

Description of drawings

Fig. 1 is the overall axial structural view of the utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is the sectional view of A-A place in Fig. 2;

Fig. 4 is a partially enlarged view of place B in Fig. 3;

Fig. 5 is a partially enlarged view at point C in Fig. 3 .

Detailed ways

The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings 1-5 in the embodiments of the present invention.

Apparently, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all those skilled in the art can obtain without making creative work. Other embodiments all belong to the protection scope of the present utility model. In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components, for those of ordinary skill in the art In other words, the specific meanings of the above-mentioned terms in the present utility model can be understood in specific situations.

Example 1

As shown in Figure 1, a multifunctional syringe for nasal feeding patients includes a syringe 1, and also includes a cleaning solution storage tank 2, an infusion solution storage tank 3, a filter tank 4, a connector 5, a heating assembly and a controller 6, The lower end of the syringe 1 is provided with an injection port 1a and two connection ports 1b;

The cleaning liquid storage tank 2 and the injection liquid storage tank 3 are both arc-shaped, and the cleaning liquid storage tank 2 and the injection liquid storage tank 3 are all installed on the outer wall of the syringe 1, and the cleaning liquid storage tank 2 and the injection liquid are stored by gluing. The tank 3 is fixed with the syringe 1; the lower ends of the cleaning liquid storage tank 2 and the injection liquid storage tank 3 respectively communicate with the water channels of the two connection ports 1b through a straight-through valve 7;

The straight-through valve 7 at the lower end of the cleaning liquid storage tank 2 is opened, and the straight-through valve 7 at the lower end of the injection liquid storage tank 3 is closed. At this time, the piston 1e is pulled upward, and the flushing liquid in the cleaning liquid storage tank 2 is drawn into the syringe body 1c. Close the straight-through valve 7 at the lower end of the cleaning liquid storage tank 2, pushed by the elastic force of the thrust spring 1f, the piston 1e gradually presses the flushing liquid in the syringe body 1c to flow into the filter tank 4 from the one-way valve 8, and is left by the filter tank 4 to Connect the head 5, and then introduce the nasal feeding tube reserved on the patient's body to rinse the nasal feeding tube;

After the flushing liquid in the syringe body 1c has completely flowed out, repeat the above-mentioned actions until the flushing liquid in the cleaning liquid storage tank 2 is completely drawn out, then reversely connect the check valve 8 to the injection port 1a, and then plug the lower end of the cleaning liquid storage tank 2 The straight-through valve 7 of the injection liquid storage tank 3 is closed, the straight-through valve 7 at the lower end of the infusion liquid storage tank 3 is closed, the piston 1e is pulled upward, the negative pressure in the syringe body 1c attracts the flushing liquid in the patient's stomach, and the flushing liquid is opened after the piston 1e is pulled to the uppermost end. The straight-through valve 7 at the lower end of the storage tank 2, the flushing liquid in the syringe body 1c is discharged into the cleaning liquid storage tank 2, and then the straight-through valve 7 at the lower end of the cleaning liquid storage tank 2 is closed;

Repeat the above operations until the washing liquid storage tank 2 is full, the washing liquid injected into the patient's stomach is basically drawn out, and the one-way valve 8 is reversed again;

Open the straight-through valve 7 at the lower end of the infusion liquid storage tank 3, pull the piston 1e upwards, the liquid medicine or liquid food stored in the infusion liquid storage tank 3 flows into the syringe body 1c, then close the through-way valve 7 at the lower end of the infusion liquid storage tank 3, and The elastic force of the thrust spring 1f pushes the lower piston 1e to gradually press the liquid medicine or liquid food in the syringe body 1c, so that the liquid medicine or liquid food in the syringe body 1c flows into the filter tank 4 from the one-way valve 8, and is left by the filter tank 4 until the connection First 5, and then introduce the nasal feeding tube reserved on the patient to inject liquid food or medicine for the patient;

Repeat the above operations until the injected medicine or liquid food reaches the required amount and close the through valve 7 at the lower end of the infusion liquid storage tank 3 .

A one-way valve 8 is movably connected to the injection port 1a through thread fit, the one-way valve 8 is connected to the filter tank 4 through a hose, and the filter tank 4 is connected to the connector 5 through a hose;

One part of the heating assembly is set in the cleaning liquid storage tank 2, the other part of the heating assembly is set in the injection liquid storage tank 3, and the controller 6 is electrically connected to the heating assembly; the cleaning liquid storage tank 2, the injection liquid storage Part of the heating components in the tank 3 are activated to heat the flushing liquid, liquid food or medicine in the cleaning liquid storage tank 2 and the infusion liquid storage tank 3, so as to prevent the cold flushing liquid, liquid food or medicine from stimulating the patient's stomach and harming the patient. cause discomfort.

The syringe 1 includes a syringe body 1c, an intermediate sleeve 1d, a piston 1e, a thrust spring 1f and a connecting sleeve 1g, the intermediate sleeve 1d is arranged in the middle section of the syringe body 1c, the piston 1e is slidably arranged in the syringe body 1c, and is located on the syringe body 1c Between the bottom end and the spacer sleeve 1d, a push rod 9 is connected to the piston 1e, and the push rod 9 is slidingly matched with the spacer sleeve 1d. The thrust spring 1f is sleeved on the push rod 9. 9 The end far away from the piston 1e is connected, one end of the thrust spring 1f is in contact with the middle spacer 1d, the other end of the thrust spring 1f is in contact with the inner bottom of the connection sleeve 1g, and the elastic force of the thrust spring 1f makes the piston 1e always in contact with the syringe without the influence of external force The inner bottom of the body 1c is offset;

The connecting sleeve 1g is slidingly matched with the inner wall of the syringe body 1c;

The upper ends of the cleaning liquid storage tank 2 and the injection liquid storage tank 3 are provided with a liquid injection port and an air inlet, the liquid injection port is provided with a rubber plug 10, and the air inlet is provided with a straight-through air valve 11; 1. When injecting the storage in the liquid storage tank 3, the interior of the cleaning liquid storage tank 2 and the injection liquid storage tank 3 will generate negative pressure due to the reduction of the storage, and the outside air can be sucked in by opening the direct air valve 11 of the air inlet. Thereby, the internal pressures of the cleaning liquid storage tank 2 and the injection liquid storage tank 3 are balanced.

The filter tank 4 is provided with a filter plate 12, and the filter plate 12 is provided with a plurality of filter holes. When extracting the flushing fluid in the patient's stomach, undigested food or drug residues in the patient's stomach may be extracted at the same time. filter it;

The connecting head 5 includes a connecting pipe 13, a tapered silicone sleeve 14, an adjusting screw sleeve 15 and a U-shaped limit card 16. The middle section of the connecting pipe 13 is provided with a separating boss 13a, and the conical silicone sleeve 14 is sleeved on the connecting pipe 13. And the large-diameter end of the conical silicone sleeve 14 is offset against the separation boss 13a, and the conical silicone sleeve 14 can be adapted to different sizes of nasal feeding tube connectors and drug injection tube connectors;

The end of the connecting pipe 13 away from the tapered silicone sleeve 14 is connected to the filter tank 4 through a hose, the adjusting screw sleeve 15 is sleeved on the side of the connecting pipe 13 away from the tapered silicone sleeve 14 through thread fit, and the U-shaped stop card 16 The one side arm of the U-shaped limit card 16 is rotationally connected with the adjusting screw sleeve 15, and the other side arm of the U-shaped limit card 16 is provided with a gap; when the connecting tube 13 rotates, the adjusting screw sleeve 15 slides axially along the connecting tube 13, driving the U-shaped The limit card 16 slides axially along the connecting pipe 13, so that the U-shaped limit card 16 clamps the connector of the nasal feeding tube and the connector of the injection tube;

The heating assembly includes a plurality of heating sheets 17, a plurality of heat conducting sheets 18 and two temperature sensors 19. The plurality of heating sheets 17 are equally divided into two groups, and the two groups of heating sheets 17 are respectively arranged in the cleaning liquid storage tank 2 and the injection liquid storage tank 3. At the inner bottom, each electric heater 17 is provided with a heat conduction sheet 18, and two temperature sensors 19 are respectively arranged on the side walls inside the cleaning liquid storage tank 2 and the injection liquid storage tank 3; the electric heater 17, the temperature sensor 19 Both are electrically connected to the controller 6; the rated heating temperature can be preset through the controller 6;

In this embodiment, the controller 6 is a known product in the field of electrical technology, which can be purchased directly. In this embodiment, a controller with a single-chip microcomputer as a processor can be used;

The controller 6 controls the electric heater 17 to start and stop, thereby heating the objects stored in the cleaning liquid storage tank 2 and the injection liquid storage tank 3; the temperature sensor 19 can detect the objects stored in the cleaning liquid storage tank 2 and the injection liquid storage tank 3 The temperature of the object is fed back to the controller 6, the temperature information fed back is processed by the controller 6, and the temperature information fed back is compared with the preset rated heating temperature by the controller 6, if the feedback temperature If the value is lower than the rated temperature value, the electric heater 17 circuit is connected and continues heating. If the feedback temperature value is equal to or higher than the rated temperature value, the electric heater 17 circuit is disconnected.

Two grip rings 20 are arranged symmetrically on the outer wall of the syringe 1 , and the grip rings 20 are located in the gap between the cleaning liquid storage tank 2 and the injection liquid storage tank 3 .

The use process of this embodiment is as follows: pre-inject physiological saline in the cleaning liquid storage tank 2 as flushing liquid, add liquid food or medicinal liquid in the injection liquid storage tank 3; Heating liquid food or liquid medicine;

Then insert the connecting tube 13 into the nasal feeding tube connector left on the patient, press the conical silicone sleeve 14 against the nasal feeding tube connector, and then turn the adjusting screw sleeve 15 so that the U-shaped stopper 16 clamps the nasal feeding tube connector;

Then flush the nasal feeding tube left on the patient. When flushing, first open the straight-through valve 7 at the lower end of the cleaning liquid storage tank 2, close the straight-through valve 7 at the lower end of the injection liquid storage tank 3, pull the piston 1e upward, and clean the liquid storage tank. The flushing liquid in 2 is sucked into the syringe body 1c, and the injection port 1a is in a closed state restricted by the one-way valve 8 at this time; the straight-through valve 7 at the lower end of the cleaning liquid storage tank 2 is closed, and the piston is pushed by the elastic force of the thrust spring 1f. 1e gradually presses the flushing liquid in the syringe body 1c to flow into the filter tank 4 from the one-way valve 8, and stays from the filter tank 4 to the connector 5, and then introduces the nasal feeding tube reserved on the patient to rinse the nasal feeding tube;

After the flushing liquid in the syringe body 1c flows out completely, repeat the above actions until the flushing liquid in the cleaning liquid storage tank 2 is completely drawn out;

Then reversely connect the one-way valve 8 to the injection port 1a, then close the straight-through valve 7 at the lower end of the cleaning liquid storage tank 2, close the straight-through valve 7 at the lower end of the injection liquid storage tank 3, and pull the piston 1e upwards. After the plunger 1e is pulled to the uppermost end, the straight-through valve 7 at the lower end of the cleaning liquid storage tank 2 is opened, the flushing liquid in the syringe body 1c is discharged into the cleaning liquid storage tank 2, and then the cleaning liquid is closed. The straight-through valve 7 at the lower end of the storage tank 2;

Repeat the above operations until the washing liquid storage tank 2 is full, the washing liquid injected into the patient's stomach is basically drawn out, and the one-way valve 8 is reversed again;

Open the straight-through valve 7 at the lower end of the infusion liquid storage tank 3, pull the piston 1e upwards, the liquid medicine or liquid food stored in the infusion liquid storage tank 3 flows into the syringe body 1c, then close the through-way valve 7 at the lower end of the infusion liquid storage tank 3, and The elastic force of the thrust spring 1f pushes the lower piston 1e to gradually press the liquid medicine or liquid food in the syringe body 1c, so that the liquid medicine or liquid food in the syringe body 1c flows into the filter tank 4 from the one-way valve 8, and is left by the filter tank 4 until the connection First 5, and then introduce the nasal feeding tube reserved on the patient to inject liquid food or medicine for the patient;

Repeat the above operations until the injected medicine or liquid food reaches the required amount and close the through valve 7 at the lower end of the infusion liquid storage tank 3 .

The above embodiments are only to illustrate the technical ideas of the utility model, and cannot limit the protection scope of the utility model with this. Any changes made on the basis of the technical solutions according to the technical ideas proposed by the utility model all fall into the scope of the utility model. within the scope of the new protection.

Claims (7)

1. A multifunctional syringe for nasal feeding patients, comprising a syringe (1), characterized in that: the device is characterized by also comprising a cleaning solution storage tank (2), an injection solution storage tank (3), a filtering tank (4), a connector (5), a heating assembly and a controller (6), wherein the lower end of the injector (1) is provided with an injection port (1 a) and two connecting ports (1 b);

the cleaning solution storage tank (2) and the injection liquid storage tank (3) are both arc-shaped, the cleaning solution storage tank (2) and the injection liquid storage tank (3) are both attached to the outer wall of the injector (1), and the lower ends of the cleaning solution storage tank (2) and the injection liquid storage tank (3) are respectively communicated with the water channels of the two connectors (1 b) through a straight-through valve (7);

the injection port (1 a) is movably connected with a one-way valve (8), the one-way valve (8) is connected with the filter tank (4) through a hose, and the filter tank (4) is connected with the connector (5) through a hose;

one part of the heating component is arranged in the cleaning liquid storage tank (2), the other part of the heating component is arranged in the injection liquid storage tank (3), and the controller (6) is electrically connected with the heating component.

2. A multi-function syringe for nasal feeding patients according to claim 1, characterized in that: syringe (1) includes syringe body (1 c), well spacer (1 d), piston (1 e), thrust spring (1 f) and adapter sleeve (1 g), well spacer (1 d) sets up in the middle section of syringe body (1 c), piston (1 e) slides and sets up in syringe body (1 c), and be located between syringe body (1 c) bottom and well spacer (1 d), be connected with push rod (9) on piston (1 e), push rod (9) and well spacer (1 d) sliding fit, thrust spring (1 f) cover is located on push rod (9), the one end that piston (1 e) was kept away from to adapter sleeve (1 g) inside bottom and push rod (9) links to each other, thrust spring (1 f) one end offsets with well spacer (1 d), thrust spring (1 f) other end offsets with adapter sleeve (1 g) inside bottom, adapter sleeve (1 g) and syringe body (1 c) inner wall sliding fit.

3. A multi-function syringe for nasal feeding patients according to claim 1, characterized in that: the upper ends of the cleaning solution storage tank (2) and the injection solution storage tank (3) are respectively provided with an injection port and an air inlet, the injection ports are provided with rubber plugs (10), and the air inlets are provided with through air valves (11).

4. A multi-purpose injector for nasal feeding patients according to claim 1, characterized in that: a filter plate (12) is arranged in the filter tank (4), and a plurality of filter holes are formed in the filter plate (12).

5. A multi-function syringe for nasal feeding patients according to claim 1, characterized in that: connector (5) are including connecting pipe (13), toper silica gel cover (14), adjust swivel nut (15) and U-shaped spacing card (16), connecting pipe (13) middle section is equipped with separates boss (13 a), toper silica gel cover (14) cover is located on connecting pipe (13), and toper silica gel cover (14) major diameter end offsets with separating boss (13 a), the one end of keeping away from toper silica gel cover (14) in connecting pipe (13) is passed through the hose connection with crossing filter tank (4), adjust swivel nut (15) and overlap one side of keeping away from toper silica gel cover (14) on locating connecting pipe (13) through screw-thread fit, one side arm and the regulation swivel nut (15) of U-shaped spacing card (16) rotate to be connected, be equipped with the breach on the opposite side arm of U-shaped spacing card (16).

6. A multi-function syringe for nasal feeding patients according to claim 1, characterized in that: the heating assembly comprises a plurality of electric heating pieces (17), a plurality of heat conducting pieces (18) and two temperature sensors (19), the plurality of electric heating pieces (17) are averagely divided into two groups, the two groups of electric heating pieces (17) are respectively arranged at the bottom ends inside the cleaning liquid storage tank (2) and the injection liquid storage tank (3), each electric heating piece (17) is provided with a heat conducting piece (18), and the two temperature sensors (19) are respectively arranged on the side walls inside the cleaning liquid storage tank (2) and the injection liquid storage tank (3); the electric heating piece (17) and the temperature sensor (19) are electrically connected with the controller (6).

7. A multi-purpose injector for nasal feeding patients according to claim 1, characterized in that: two holding rings (20) are symmetrically arranged on the outer wall of the injector (1), and the holding rings (20) are positioned in a gap between the cleaning solution storage tank (2) and the injection solution storage tank (3).

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