CN215875582U - Novel enteral nutrition feeder - Google Patents

Abstract

The utility model relates to a novel enteral nutrition feeder, which comprises a gun-shaped body, wherein an injection cavity and a movable cavity are arranged in the gun-shaped body, a handle, a buckle plate and a connector are arranged on the gun-shaped body, the connector is communicated with the injection cavity, a piston is arranged in the injection cavity, a push plate connected with the piston through a push rod is arranged in the movable cavity, the buckle plate is connected with the push plate through a connecting rod mechanism, a tension spring is arranged between the push plate and the inner wall of the movable cavity, a liquid filling opening communicated with the injection cavity is arranged on the gun-shaped body, a liquid storage bottle is connected onto the liquid filling opening, and a one-way valve is arranged in the connector. The utility model is used for pushing the enteral nutrient solution without repeated pulling, and not only is the pushing convenient and labor-saving, but also the operation of the patient is convenient.

Description

Novel enteral nutrition feeder

The technical field is as follows:

the utility model relates to the technical field of medical instruments, in particular to a novel enteral nutrition feeder.

Background art:

the nutrition required by the body of a patient who cannot take water orally is administered intravenously or enterally. The cost of the venous nutrition is high, the complications are many, and the long-term application cannot be realized; the mode that enteral nutrition is mostly injected by manually pushing the injector is adopted, and the enteral nutrient solution is sticky and high in concentration, so that the enteral nutrient solution is inconvenient to operate during injection, is labor-consuming to operate and uneven in force application, and the working strength of medical staff is increased. Patent for ZL201922124488.X is through setting up assist drive device, storing up edible jar and pipe, and assist drive device includes urceolus, interior post, piston one, the check valve of intaking and play water check valve, and the inside of urceolus is equipped with interior post, interior post bottom fixed connection piston one, and the one end of storing up edible jar is seted up the water filling port and the other end has been seted up and has been annotated edible mouthful, stores up the inside of edible jar and sets up piston two. Through utilizing assist drive device to promote storing up the inside piston two of food jar, utilize the principle that hydraulic pressure promoted, the piston two motions of the larger area of piston drive that use less cross section to connect improve the convenience that the notes feeder used, reduce the thrust that the notes feeder promoted, it is more laborsaving to use, has reduced the intensity of work. But this kind of structure need pull assist drive device repeatedly when pushing intestinal nutrient solution, and the operation needs to go on with both hands, and is not only comparatively loaded down with trivial details, also is not favorable to the patient to inject nutrient solution by oneself.

The utility model has the following contents:

technical problem to be solved

The utility model aims to provide a novel enteral nutrition feeder which is used for pushing enteral nutrient solution and solves the problems that in the prior art, operation needs to be carried out by both hands when the enteral nutrient solution is pushed, the operation is complicated, and the self-injection of a patient is not facilitated.

The technical scheme is as follows:

in order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a novel nutrition is for support ware in intestines, includes rifle shape body, this internal injection chamber and the activity chamber of being equipped with of rifle shape, be equipped with handle, buckle and connector on the rifle shape body, the connector with injection chamber intercommunication, the injection intracavity is equipped with the piston, the activity intracavity be equipped with the piston passes through the push pedal that the push rod is connected, the buckle with the push pedal passes through link mechanism and connects, the push pedal with be equipped with extension spring between the inner wall in activity chamber, be equipped with on the rifle shape body with the filling opening of injection chamber intercommunication, be connected with the stock solution bottle on the filling opening, be equipped with one-way valve in the connector.

The injection chamber is used for injecting enteral nutrition liquid, the handle is used for being held by a single hand of a user, the buckle is used for pushing the push plate through the connecting rod mechanism, so that the force of the extension spring is enabled to move the piston in the injection chamber and push out the enteral nutrition liquid in the injection chamber, the connector is used for being connected with catheters such as a nasogastric tube or a stomach tube, the liquid storage bottle is used for storing the enteral nutrition liquid and adding the enteral nutrition liquid into the injection chamber through the liquid adding opening, the extension spring is used for pulling back the push plate when the buckle is loosened by the user, and simultaneously the enteral nutrition liquid in the liquid storage bottle is pumped into the injection chamber to facilitate secondary injection, the user can hold the handle by the single hand and press the buckle through fingers to inject the enteral nutrition liquid without repeated drawing operation, and the use is simple, the patient can inject by himself, and the one-way valve is used for controlling the flow direction of enteral nutrient solution and preventing the liquid in the guide pipe from flowing back into the injection cavity through the connecting pipe when the piston pumps the enteral nutrient solution in the liquid storage bottle.

Further, detachably is equipped with crossover sub on the connector, crossover sub is used for being connected with the nasogastric tube or the stomach tube of different thickness sizes, improves application scope.

Furthermore, a compression spring is arranged between the pinch plate and the handle, so that when the pinch plate is loosened, the pinch plate and the extension spring act together to pull the push plate back to the original position, and clamping stagnation is avoided.

Furthermore, the outer wall of the gun-shaped body is made of transparent materials at the position corresponding to the injection cavity and is provided with scales, so that a user can visually observe the volume of the enteral nutrient solution in the injection cavity.

Furthermore, be equipped with elastic sealing ring in the filling opening, the bottom of stock solution bottle be equipped with filling opening complex connecting pipe, the connecting pipe with elastic sealing ring cooperation guarantees the stock solution bottle with leakproofness between the filling opening.

Further, link mechanism includes initiative connecting rod, intermediate link and driven connecting rod, the initiative connecting rod with the buckle is connected, the buckle rotationally sets up on the rifle shape body, driven connecting rod with the push pedal is connected, and sets up in the internal spout of rifle shape, the initiative connecting rod with pass through between the driven connecting rod intermediate link connects, the buckle with the initiative connecting rod forms lever mechanism, and is more laborsaving when convenient the operation, driven connecting rod is in parallel movement in the spout, thereby the pulling push pedal parallel movement guarantees the smooth and easy that the push pedal removed. Avoid the clamping stagnation.

(III) the beneficial effects are as follows:

compared with the prior art, the utility model has the following beneficial effects: through this internal injection chamber and the activity chamber of setting up of rifle shape, set up the handle on the rifle shape body, buckle and connector, the injection intracavity sets up the piston, the push pedal that the activity intracavity set up and pass through the push rod with the piston and be connected, the buckle passes through link mechanism with the push pedal and is connected, connect the stock solution bottle on the rifle shape body, set up one-way valve in the connector, can supply the user one hand to grip the handle and carry out pushing of enteral nutrient solution through the finger pressing buckle, in the convenient laborsaving time, need not the operation of pull repeatedly, and the patient can inject by oneself, alleviate medical personnel work burden.

Description of the drawings:

in order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.

FIG. 1 is a front view of the novel enteral feeding set according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the novel enteral feeding set according to an embodiment of the present invention;

in the figure: 1. a gun-shaped body; 2. an injection cavity; 3. a movable cavity; 4. a handle; 5. buckling the plate; 6. a connector; 7. a piston; 8. a push rod; 9. pushing the plate; 10. a link mechanism; 101. a driving connecting rod; 102. a middle connecting rod; 103. a driven connecting rod; 11. an extension spring; 12. a liquid filling port; 13. a liquid storage bottle; 14. a one-way valve; 15. a crossover sub; 16. a compression spring; 17. calibration; 18. an elastic sealing ring; 19. a connecting pipe; 20. sliding chute

The specific implementation mode is as follows:

the technical solution 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.

As shown in fig. 1 and 2, a novel enteral nutrition feeder, including rifle shape body 1, be equipped with injection chamber 2 and activity chamber 3 in the rifle shape body 1, be equipped with handle 4 on the rifle shape body 1, buckle 5 and connector 6, connector 6 and injection chamber 2 intercommunication, be equipped with piston 7 in the injection chamber 2, be equipped with the push pedal 9 of being connected through push rod 8 with piston 7 in the activity chamber 3, buckle 5 passes through link mechanism 10 with push pedal 9 and is connected, be equipped with extension spring 11 between the inner wall in push pedal 9 and activity chamber 3, be equipped with on the rifle shape body 1 with the filling opening 12 of injection chamber 2 intercommunication, be connected with stock solution bottle 13 on the filling opening 12, be equipped with check valve 14 in the connector 6.

Preferably, the connector 6 is detachably provided with a switching connector 15, and the switching connector 15 is used for being connected with nasogastric feeding tubes or gastric tubes with different thicknesses, so that the application range is improved.

Preferably, a compression spring 16 is arranged between the pinch plate 5 and the handle 4, and can be used for drawing the push plate 9 back to the original position under the action of the extension spring 11 when the pinch plate 5 is loosened, and the clamping stagnation is avoided.

Preferably, the outer wall of the gun-shaped body 1 corresponding to the injection cavity 2 is made of transparent material and is provided with a scale 17, so that a user can visually observe the volume of the enteral nutrient solution in the injection cavity 2.

Preferably, an elastic sealing ring 18 is arranged in the liquid filling opening 12, a connecting pipe 19 matched with the liquid filling opening 12 is arranged at the bottom of the liquid storage bottle 13, and the connecting pipe 19 is matched with the elastic sealing ring 18 to ensure the sealing property between the liquid storage bottle 13 and the liquid filling opening 12.

Preferably, the link mechanism 10 includes a driving link 101, an intermediate link 102 and a driven link 103, the driving link 101 is connected with the buckle 5, the buckle 5 is rotatably disposed on the gun-shaped body 1, the driven link 103 is connected with the push plate 9 and disposed in the chute 20 of the gun-shaped body 1, the driving link 101 is connected with the driven link 103 through the intermediate link 102, the buckle 5 forms a lever mechanism with the driving link 101, which is convenient for operation and saves labor, the driven link 103 moves in the chute 20 in parallel, so as to pull the push plate 9 to move in parallel, and ensure the smooth movement of the push plate 9. Avoid the clamping stagnation.

The use method of the novel enteral nutrition feeder comprises the following steps:

the user packs the prepared enteral nutrient solution into the liquid storage bottle 13, inserts the connecting pipe 19 on the liquid storage bottle 13 into the liquid adding opening 12, presses the buckle plate 5 to push the piston 7 to empty the air in the injection cavity 2 through the push plate 9, loosens the buckle plate 5, the push plate 9 is pulled back under the action of the extension spring 11, the piston 7 moves to form negative pressure in the injection cavity 2, sucks the enteral nutrient solution in the liquid storage bottle 13 into the injection cavity 2, at the moment, the connector on the gun-shaped body 1 is connected with the nasal feeding tube or the stomach tube and other catheters on the patient body, if necessary, the adapter 15 can be added, then the handle 4 is held by one hand, the buckle plate 5 is pressed by fingers, the force of the compression spring 16 is overcome, the push plate 9 is pushed to move through the connecting rod mechanism 10, thereby the piston 7 moves in the injection cavity, the enteral nutrient solution is injected into the patient body, after the enteral nutrient solution in the injection cavity 2 is injected, unclamp buckle 5, extension spring 11 and compression spring 16 combined action pull back push pedal 9, take out the enteral nutrient solution in the stock solution bottle 13 simultaneously to injection chamber 2 in, push once more conveniently, the user can carry out pushing of enteral nutrient solution with one hand, need not the operation of repeated pull, and is simple to use, and convenient laborsaving, the patient also can inject by oneself, alleviates medical personnel work burden.

In conclusion, the novel enteral nutrition feeder provided by the utility model is used for pushing enteral nutrient solution, and solves the problems that in the prior art, operation needs to be carried out by both hands when the enteral nutrient solution is pushed, the operation is complicated, and the self-injection of a patient is not facilitated.

The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.

Claims (6)

1. A novel enteral nutrition feeder is characterized in that: including rifle shape body, this internal injection chamber and the activity chamber of being equipped with of rifle shape, be equipped with handle, buckle and connector on the rifle shape body, the connector with the injection chamber intercommunication, be equipped with the piston in the injection chamber, the activity intracavity be equipped with the push pedal that the piston passes through the push rod and connects, the buckle with the push pedal passes through link mechanism and connects, the push pedal with be equipped with extension spring between the inner wall in activity chamber, be equipped with on the rifle shape body with the filling opening of injection chamber intercommunication, be connected with the stock solution bottle on the filling opening, be equipped with one-way valve in the connector.

2. The novel enteral feeding set according to claim 1, wherein: the adapter is detachably arranged on the connecting head.

3. The novel enteral feeding set according to claim 1, wherein: and a compression spring is arranged between the pinch plate and the handle.

4. The novel enteral feeding set according to claim 1, wherein: the outer wall of the gun-shaped body corresponding to the injection cavity is made of transparent materials and is provided with scales.

5. The novel enteral feeding set according to claim 1, wherein: an elastic sealing ring is arranged in the liquid filling opening, and a connecting pipe matched with the liquid filling opening is arranged at the bottom of the liquid storage bottle.

6. The novel enteral feeding set according to claim 1, wherein: the connecting rod mechanism comprises a driving connecting rod, a middle connecting rod and a driven connecting rod, the driving connecting rod is connected with the pinch plate, the pinch plate is rotatably arranged on the gun-shaped body, the driven connecting rod is connected with the push plate and arranged in a sliding groove in the gun-shaped body, and the driving connecting rod is connected with the driven connecting rod through the middle connecting rod.

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