CN209809030U - Novel spiral cover device of stomach nutrition bag - Google Patents

Abstract

The utility model provides a novel spiral cover device of stomach nutrition bag belongs to medical appliances technical field, including nutrition bag and spiral cover, spiral cover fixed mounting is on nutrition bag upper portion, nutrition bag lower part intercommunication transfer line, and nutrition bag top is provided with the sack that suits with the spiral cover, the spiral cover includes the lid and fixes the connecting portion in the lid bottom, connecting portion stretch into inside and with sack screw-thread fit of sack, the connecting portion bottom is provided with the sealing washer, still be provided with the bulge that suits with the sealing washer in the sack. Before the nutrition bag transportation, rotatory spiral cover for connecting portion move downwards in the sack, through extruding the sealing washer and laminating to the bulge, thereby guarantee the sealed between connecting portion and the sack, effectually prevented that the nutrient solution in the nutrition bag from leaking from spiral cover department on the way of the transportation.

Description

Novel spiral cover device of stomach nutrition bag

Technical Field

The utility model relates to a medical appliance, in particular to a novel cap screwing device of a gastrointestinal nutrition bag.

Background

At present, aiming at the phenomenon that a special patient cannot eat food, doctors generally insert nasogastric tubes or nasointestinal tubes into the patient body, and drip homogenate diet or element diet into the nasogastric tubes or nasointestinal tubes through nutrition bags to maintain nutritional elements required by the patient body, including carbohydrate, fat emulsion and the like, essential and non-essential amino acid, vitamins, electrolyte, trace elements and the like, so that the patient can recover as soon as possible to provide sufficient nutritional support.

An openable rotary cover is usually arranged at the opening of the conventional gastrointestinal nutrition bag to facilitate the addition of nutrient solution in the nutrition bag, and in order to ensure the sealing property between the rotary cover and the nutrition bag and prevent the nutrition bag from leaking in the long-distance transportation process, a patent document with the publication number of CN208217065U discloses a novel rotary cover device of the gastrointestinal nutrition bag, wherein a layer of rubber cover is arranged at the opening of the nutrition bag, when the novel rotary cover device of the gastrointestinal nutrition bag is used, a cutting knife inside the rotary cover is used for cutting off the rubber cover to facilitate the addition of the nutrient solution, but as the rubber cover is arranged between the rotary cover and the opening, after the rubber cover is cut by the cutting knife, the cut-off rubber cover can not be reasonably placed, and easily drops into the nutrient solution to cause the blockage of the nutrient solution and simultaneously pollute the nutrient solution easily, therefore, the opening of the nutrient solution is sealed by the rubber cover, the nutrition bag is cut by the cutting knife, the reasonability of the nutrition bag is obviously deficient, and therefore, the cover screwing device for sealing the nutrition bag only through the cover screwing is provided, so that the problem of leakage prevention of the nutrition bag in the long-distance transportation process is solved.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the to-be-solved technical problem of the utility model is to provide a novel spiral cover device of stomach nutrition bag.

In order to solve the technical problem, the utility model provides a following technical scheme:

a novel cap screwing device of a gastrointestinal nutrition bag comprises a nutrition bag and a screw cap, wherein the screw cap is fixedly arranged at the upper part of the nutrition bag, the lower part of the nutrition bag is communicated with a transfusion tube, and a bag opening matched with the screw cap is arranged above the nutrition bag;

the spiral cover comprises a cover body and a connecting part fixed at the bottom of the cover body; the connecting part extends into the bag opening and is in threaded fit with the bag opening, and a sealing ring is arranged at the bottom of the connecting part; and a bulge matched with the sealing ring is also arranged in the pocket.

As a further improvement of the utility model: sack, connecting portion and lid are cylindrical tubular structure, and the connecting portion lower extreme seals.

As a further improvement of the utility model: the diameter of the connecting part is smaller than that of the cover body, so that the connecting part and the cover body form a step-shaped structure.

As a further improvement of the utility model: the chamfer angle processing of connecting portion bottom edges and corners department forms the inclined plane structure, just the sealing washer is fixed attached to this inclined plane.

As a further improvement of the present invention: the sealing ring is bonded to the inclined plane by glue.

As a further improvement of the present invention: the upper part of the spiral cover is also fixedly connected with a hanging ring.

As a further improvement of the present invention: an air groove is further formed in the outer side of the connecting portion.

As a further improvement of the present invention: the air groove vertically extends from the upper end of the connecting part to the inclined plane of the lower end of the connecting part.

As a further improvement of the present invention: and a gap corresponding to the air groove is formed in the sealing ring.

As a further improvement of the present invention: the depth of the air groove is half of the wall thickness of the connecting part.

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

before the nutrition bag transportation, rotatory spiral cover for connecting portion move downwards in the sack, through extruding the sealing washer and laminating to the bulge, thereby guarantee the sealed between connecting portion and the sack, effectually prevented that the nutrient solution in the nutrition bag from leaking from spiral cover department on the way of the transportation.

Drawings

FIG. 1 is a schematic structural diagram of a novel cover screwing device of a gastrointestinal nutrition bag;

FIG. 2 is a connection state diagram of a screw cap and a bag opening in the novel screw cap device of the gastrointestinal nutrition bag;

FIG. 3 is a drawing showing the opening and closing process of the screw cap in the novel screw cap device of the gastrointestinal nutrition bag;

FIG. 4 is a schematic structural diagram of a screw cap in the novel screw cap device of the gastrointestinal nutrition bag;

in the figure: 1-hanging ring, 2-spiral cover, 3-bag mouth, 4-nutrition bag, 5-transfusion tube, 6-cover body, 7-connecting part, 8-sealing ring, 9-projecting part and 10-air groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, the present embodiment provides a novel cover screwing device for gastrointestinal nutrition bags, which includes a nutrition bag 4 and a cover screwing 2; the screw cap 2 is fixedly arranged at the upper part of the nutrition bag 4, the lower part of the nutrition bag 4 is communicated with the infusion tube 5, and the upper part of the nutrition bag 4 is provided with a bag opening 3 matched with the screw cap 2;

the spiral cover 2 comprises a cover body 6 and a connecting part 7 fixed at the bottom of the cover body 6; the bag opening 3, the connecting part 7 and the cover 6 are all cylindrical structures, the lower end of the connecting part 7 is closed, the diameter of the connecting part 7 is smaller than that of the cover 6, so that the connecting part 7 and the cover 6 form a stepped structure, the connecting part 7 extends into the bag opening 3 and is in threaded fit with the bag opening 3, and a sealing ring 8 is arranged at the bottom of the connecting part 7; a bulge part 9 matched with the sealing ring 8 is also arranged in the bag opening 3;

the bottom edge of the connecting part 7 is chamfered to form an inclined plane structure, the sealing ring 8 is fixedly attached to the inclined plane, the connection mode of the sealing ring 8 and the inclined plane is not limited, and in the embodiment, preferably, the sealing ring 8 is bonded to the inclined plane through glue; the screw cap 2 is rotated, so that the connecting part 7 moves downwards in the bag opening 3, the sealing ring 8 is extruded and attached to the protruding part 9, the sealing between the connecting part 7 and the bag opening 3 is ensured, and the leakage of the nutrient solution in the nutrient bag 4 from the screw cap 2 in the transportation process is effectively prevented;

the upper part of the spiral cover 2 is also fixedly connected with a hanging ring 1, and the nutrition bag 4 is hung above through the hanging ring, so that the transfusion of patients is facilitated.

Example 2

Referring to fig. 4, in order to facilitate the nutrient solution in the nutrient bag 4 to be smoothly delivered to the intestines and stomach of a patient and avoid the blockage of the nutrient solution due to the external air pressure being greater than the air pressure of the nutrient bag 4, compared with embodiment 1, an air groove 10 is further disposed outside the connecting portion 7; the air groove 10 vertically extends from the upper end of the connecting part 7 to the inclined plane at the lower end of the connecting part 7, a notch corresponding to the air groove 10 is formed in the sealing ring 8, and the depth of the air groove 10 is half of the wall thickness of the connecting part 7; during infusion, unscrew spiral cover 2 a little for sealing washer 8 breaks away from each other with bulge 9, guarantees connecting portion 7 and sack 3 simultaneously and still screw-thread fit, through the linking of breach and gas tank 10, makes nutrition bag 4 communicate with each other with external environment, and it is internal with nutrition liquid pressure income patient through outside atmospheric pressure.

The utility model discloses a theory of operation and beneficial effect are: the screw cap 2 is rotated, so that the connecting part 7 moves downwards in the bag opening 3, the sealing ring 8 is extruded and attached to the protruding part 9, the sealing between the connecting part 7 and the bag opening 3 is ensured, and the leakage of the nutrient solution in the nutrient bag 4 from the screw cap 2 in the transportation process is effectively prevented; during infusion, unscrew spiral cover 2 a little for sealing washer 8 breaks away from each other with bulge 9, guarantees simultaneously that connecting portion 7 and sack 3 still screw-thread fit, makes nutrition bag 4 communicate with each other with the external environment through gas tank 10, and it is internal with the patient to press nutrition liquid through outside atmospheric pressure.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (10)

1. A novel cap screwing device of a gastrointestinal nutrition bag comprises a nutrition bag (4) and a cap screwing device (2), the cap screwing device (2) is fixedly arranged at the upper part of the nutrition bag (4), the lower part of the nutrition bag (4) is communicated with a transfusion tube (5), a bag opening (3) matched with the cap screwing device (2) is arranged above the nutrition bag (4), and the novel cap screwing device is characterized in that,

the spiral cover (2) comprises a cover body (6) and a connecting part (7) fixed at the bottom of the cover body (6); the connecting part (7) extends into the bag opening (3) and is in threaded fit with the bag opening (3), and a sealing ring (8) is arranged at the bottom of the connecting part (7); and a bulge (9) matched with the sealing ring (8) is also arranged in the bag mouth (3).

2. The novel cover screwing device of the gastrointestinal nutrition bag according to claim 1, wherein the bag opening (3), the connecting part (7) and the cover body (6) are all cylindrical and cylindrical structures, and the lower end of the connecting part (7) is closed.

3. The novel cover screwing device of gastrointestinal nutrition bag according to claim 2, characterized in that the diameter of the connecting part (7) is smaller than that of the cover body (6), so that the connecting part (7) and the cover body (6) form a ladder-shaped structure.

4. The novel cover screwing device of gastrointestinal nutrition bag as claimed in any one of claims 1 to 3, wherein the corners at the bottom of the connecting part (7) are chamfered to form a slope structure, and the sealing ring (8) is fixedly attached to the slope.

5. A novel capping device for enteral feeding bags according to claim 4, characterized in that the sealing ring (8) is glued to the bevel.

6. The novel cover screwing device of the gastrointestinal nutrition bag according to claim 1, characterized in that the upper part of the cover screwing (2) is fixedly connected with a hanging ring (1).

7. The novel cover screwing device of the gastrointestinal nutrition bag according to claim 6, characterized in that an air groove (10) is further arranged outside the connecting part (7).

8. The novel capping device for the gastrointestinal nutrition bag according to claim 7, wherein the air groove (10) vertically extends from the upper end of the connecting part (7) to the inclined surface at the lower end of the connecting part (7).

9. The novel cover screwing device of gastrointestinal nutrition bag according to claim 7 or 8, characterized in that the sealing ring (8) is provided with a notch corresponding to the air groove (10).

10. The novel screw cap device of the gastrointestinal nutrition bag according to claim 9, wherein the depth of the air groove (10) is half of the wall thickness of the connecting part (7).