CN218451748U

CN218451748U - Liquid unloading infusion bag with high sealing performance

Info

Publication number: CN218451748U
Application number: CN202221179436.8U
Authority: CN
Inventors: 周肖郁; 吴艾芳
Original assignee: Foshan City Nanhai District People's Hospital
Current assignee: Foshan City Nanhai District People's Hospital
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2023-02-07
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a high-sealing liquid-discharging infusion bag, which is applied to the field of medical supplies and comprises a hollow bag body and an insertion part at the lower end of the bag body, wherein the top end angle of the bag body is outwards protruded and provided with a liquid-discharging port, a liquid-discharging space is arranged in the liquid-discharging port, a telescopic rubber tube is fixedly connected in the liquid-discharging space, a first liquid-discharging channel is arranged in the telescopic rubber tube in a through manner, and the first liquid-discharging channel is communicated with the interior of the bag body; the side of the bag body is also fixedly provided with a connecting rope, one end of the connecting rope is connected with a cap plug, and the cap plug is detached and contained in the liquid discharging space to jack the telescopic rubber tube. The utility model discloses the structure is simple and easy, can conveniently get rid of the raffinate, and the leakproofness is high.

Description

Liquid unloading infusion bag with high sealing performance

Technical Field

The utility model relates to the field of medical supplies, in particular to liquid transfusion bag unloads of high leakproofness.

Background

The infusion bag is used for loading the injection and delivering the injection to a patient. The infusion bag can be recovered after being used, the medicine can be filled more hygienically without being repeatedly filled, and the air pressure problem does not need to be worried about. In the process of discarding and recycling, residual injection in the infusion bag needs to be drained, however, the existing infusion bag lacks a liquid drainage structure for residual liquid, and liquid in the infusion bag is very difficult to drain after the guide pin is pulled out; however, the arrangement of the liquid discharge structure easily affects the sealing performance of the infusion bag.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high leakproofness unload liquid infusion bag, aim at obtain the infusion bag of high leakproofness and the inside raffinate of being convenient for discharge.

The utility model provides a technical scheme of above-mentioned technical problem does:

a high-sealing liquid-discharging infusion bag comprises a hollow bag body and an insertion part at the lower end of the bag body, wherein a liquid discharging opening is formed in the top end corner of the bag body in a protruding mode, a liquid discharging space is formed in the liquid discharging opening, a telescopic rubber tube is fixedly connected to the liquid discharging space, a first liquid discharging channel is arranged in the telescopic rubber tube in a penetrating mode, and the first liquid discharging channel is communicated with the interior of the bag body; the first liquid discharging channel is opened when the telescopic rubber tube is stretched, and the first liquid discharging channel is closed when the telescopic rubber tube is contracted and folded;

the liquid discharging infusion bag with high sealing performance further comprises a cap plug, wherein the cap plug is detachably fixed in the liquid discharging space and used for jacking and pressing the telescopic rubber tube into a contracted folded state.

Under the conventional state, the cap plug extrudes the telescopic rubber tube, the telescopic rubber tube deforms and compresses, the cap plug and the telescopic rubber tube block the liquid discharging space, the first liquid discharging channel in the telescopic rubber tube disappears due to the contraction action of the tube wall, the liquid discharging space and the inner part of the bag body are mutually sealed, and the sealing performance is good. When the cap plug is pulled out in the liquid discharging state, the elastic telescopic rubber tube is gradually enlarged from the original extruded shape and is restored to the original shape, the tube wall is unfolded towards the periphery, and the first liquid discharging channel inside is exposed. The first liquid discharging channel is connected with the inside and the outside of the barrel body, so that residual liquid in the barrel body flows out, and liquid discharging is convenient and fast.

Preferably, a blocking part used for sealing the liquid discharging space and the interior of the bag body is arranged at the bottom end of the liquid discharging port, and the end part of the telescopic rubber tube is fixedly arranged on the blocking part; and a second liquid unloading channel communicated with the first liquid unloading channel is arranged on the blocking part.

The flexible rubber tube is installed on the stop part, and can fix the first entry end position of unloading the liquid passageway, makes it unload liquid passageway rigidity and intercommunication, convenient flowing back with the second.

Preferably, the bag body is further provided with an air storage part for storing air, and the air storage part and the interior of the bag body are mutually sealed.

The gas in the gas storage part is extruded and escapes from the liquid discharge port through the inside of the bag body. The telescopic rubber tube can rebound rapidly under the pushing of gas, and the first liquid discharging channel and the second liquid discharging channel are extruded by the gas and are opened rapidly.

Preferably, the cap plug is a colloid product, and the diameter of the cap plug is larger than that of the liquid discharging space; and a connecting rope used for connecting the cap plug is fixedly arranged on the side edge of the bag body.

Preferably, one end of the connecting rope is provided with a circular ring part, and the cap plug is rotatably installed in the circular ring part.

Preferably, the outer end edge of the liquid discharging port is provided with a buckle part protruding outwards.

Preferably, the top of the bag body is provided with a hanging groove.

Preferably, a glue sealing part is arranged in the inserting part.

Preferably, the gas storage part and the bag body are separated by a film.

Preferably, the inner corners of the bag body are rounded.

The utility model discloses following beneficial effect has: the utility model discloses be provided with and unload the liquid mouth and be used for unloading the raffinate, be provided with flexible rubber tube unloading the liquid mouth. Under the normal closed state, the cap plug on one side of the bag body is plugged into the liquid unloading space to jack the telescopic rubber tube, so that the telescopic rubber tube deforms to block the first liquid unloading channel, and the sealing performance is high. When liquid needs to be discharged, the cap plug is pulled out quickly, so that the first liquid discharging channel is communicated with the inside and the outside of the bag body and is used for discharging residual liquid. The utility model discloses the structure is simple and easy, can conveniently get rid of the raffinate, and the leakproofness is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention in a conventional state.

FIG. 2 is an enlarged partial view of the portion 1"A ″.

Fig. 3 is a schematic structural view of the utility model in the liquid discharging state.

FIG. 4 is an enlarged partial view of the portion 3"B".

Wherein, the reference numbers:

1. a bag body; 2. a liquid discharge port; 21. a buckle part; 3. 4, a liquid discharging space, a telescopic rubber tube; 41. a first liquid discharge channel; 5. connecting ropes; 6. a cap plug; 7. a blocking portion; 71. a second liquid discharge channel; 8. a gas storage part; 9. a circular ring part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

The utility model discloses use in medical institution for load and transportation injection. The insertion part of the utility model is inserted into the guide needle tube to realize the transfusion effect to the patient. The transfusion bag is used as a liquid storage tool, and has the advantages of low cost, convenient transportation, disposable use and the like compared with a glass bottle. After the infusion bag is used, the infusion bag generally needs to be placed into a special medical waste recycling place to be discarded, and in order to conveniently treat the medical waste, the liquid in the infusion bag needs to be completely removed. The existing infusion bag does not have a liquid discharge function, and medical workers often need to cut off the infusion bag to pour out residual liquid, which is very troublesome.

As shown in fig. 1 and 3, the high-sealing liquid-discharging infusion bag comprises a hollow bag body 1 and an insertion part at the lower end of the bag body 1, wherein a liquid-discharging port 2 is outwards protruded from the top end corner of the bag body 1, a liquid-discharging space 3 is arranged in the liquid-discharging port 2, the liquid-discharging space 3 is fixedly connected with a flexible rubber tube 4, a first liquid-discharging channel 41 is arranged in the flexible rubber tube 4 in a penetrating manner, and the first liquid-discharging channel 41 is communicated with the interior of the bag body 1; the first liquid discharging channel 41 is opened when the telescopic rubber tube 4 is extended, and the first liquid discharging channel 41 is closed when the telescopic rubber tube 4 is contracted and folded;

the high-sealing liquid-discharging infusion bag further comprises a cap plug, and the cap plug 6 is detachably fixed in the liquid-discharging space 3 and used for jacking and pressing the telescopic rubber tube 4 into a contracted folded state.

The bag body 1 is a common colloid body which is easy to deform, the air pressure problem is not worried about in the infusion process, the insertion part at the bottom is used for inserting a catheter for infusion, and the inner space of the bag body 1 is used for loading liquid. After the infusion process is finished, the residual liquid can not flow out along the catheter, therefore, the utility model discloses set up at bag body 1 top and unload liquid mouth 2, reverse bag body 1, the raffinate flows out along unloading liquid mouth 2. Specifically, as shown in fig. 2, in a normal state, a cap plug 6 is inserted into the liquid discharge space 3 in the liquid discharge port 2, so that the inside of the bag body 1 is closed and liquid cannot flow out. At the moment, the cap plug 6 extrudes the telescopic rubber tube 4, the telescopic rubber tube 4 deforms and compresses, the cap plug 6 and the telescopic rubber tube 4 block the liquid discharging space 3, the first liquid discharging channel 41 in the telescopic rubber tube 4 disappears due to the contraction action of the tube wall, and the liquid discharging space 3 and the interior of the bag body 1 are mutually sealed. It should be noted that the cap 6 is also colloid, and is not easy to be separated from the liquid discharging space 3 by extrusion, therefore, the utility model discloses the leakproofness is high, does not need worry that the injection is revealed from the liquid discharging port 2 in the transportation.

In addition, when the transfusion process is completed, the cap plug 6 can be pulled out from the liquid discharge space 3 with the aid of the connecting cord 5. As shown in fig. 4, after the cap plug 6 is pulled out, the elastic flexible hose 4 gradually increases from the original squeezed state to the original shape, and the hose wall expands to the periphery to expose the first liquid discharge channel 41 inside. The first liquid discharge passage 41 communicates the inside of the bag body 1 with the outside so that the residual liquid in the bag body 1 flows out. After can abandon the utility model discloses, linking strip 5 and connecting cap stopper 6, make the integrative recovery of the bag body 1 and cap stopper 6, avoid cap stopper 6 to lose. It should be noted that the pipeline of the flexible hose 4 can be fixedly mounted and adhered to the pipe wall of the liquid discharging space 3, when the cap plug 6 is plugged, the flexible hose 4 is flattened and deformed, and the pipe wall is plugged into the space of the first liquid discharging channel 41 in the middle part, so that the first liquid discharging channel 41 is completely plugged and sealed and poked with the inside of the bag body 1. The utility model discloses it is convenient to unload liquid, and cap plug 6 and flexible rubber tube 4 easily warp to fill and unload liquid space 3 and first unload liquid passageway 41, and sealing performance is high.

In one embodiment, the bottom end of the liquid discharging port 2 is provided with a blocking part 7 for sealing the liquid discharging space 3 and the interior of the bag body 1, and the end part of the telescopic rubber tube 4 is fixedly arranged on the blocking part 7; the blocking part 7 is provided with a second liquid discharging channel 71 communicated with the first liquid discharging channel 41.

The blocking part 7 is a bag wall of the bag body 1 and is used for separating the discharging space and the interior of the bag body 1 so as to reduce the communication space; a second liquid discharging channel 71 with a smaller diameter is arranged in the blocking part 7 and is communicated with the liquid discharging space 3 so as to limit the injection liquid from entering the liquid discharging channel and improve the sealing performance of the liquid discharging port 2. The end part of the telescopic rubber tube 4 can be arranged on the blocking part 7, so that the telescopic rubber tube 4 can freely swing in the liquid unloading space 3, and the flexibility and the elasticity are higher. When the cap plug 6 is separated from the liquid discharging space 3, the telescopic rubber tube 4 can be rebounded to the original shape more quickly and sensitively under the action of the external force, and the first liquid discharging channel 41 is exposed for discharging liquid. In addition, the telescopic rubber tube 4 is arranged on the blocking part 7, and can fix the position of the inlet end of the first liquid discharging channel 41, so that the inlet end of the first liquid discharging channel is fixed and communicated with the position of the second liquid discharging channel 71, and liquid can be discharged conveniently.

In an embodiment, the bag body 1 is further provided with an air storage portion 8 for storing air, and the air storage portion 8 and the interior of the bag body 1 are sealed from each other.

Wherein, the gas storage part 8 is an independent accommodating space in the bag wall of the bag body 1 and is mutually sealed with the inside of the bag body 1. When the injection liquid is gradually discharged in the process of infusion, the bag body 1 is gradually flattened, but the shape of the air storage part 8 is still kept. The gas storage part 8 is filled with a small amount of air for discharging in the liquid discharging port 2, so that the telescopic rubber tube 4 can be quickly pushed to rebound and the second liquid discharging channel 71 can be opened when residual liquid is discharged, and the residual liquid discharging process is smooth and unimpeded. Specifically, when the residual liquid needs to be removed, the cap 6 is first removed, and then the gas container 8 is squeezed to break the bag wall, so that the gas container 8 communicates with the inside of the bag body 1, and therefore the bag wall between the gas container 8 and the inside of the bag body 1 needs to be thin. Then, the gas in the gas storage part 8 is extruded and escapes from the liquid discharge port 2 through the inside of the bag body 1. The telescopic rubber tube 4 can rebound rapidly under the pushing of gas, and the first liquid discharging channel 41 and the second liquid discharging channel 71 are extruded by the gas and are opened rapidly.

In one embodiment, the cap plug 6 is a rubber product, and the diameter of the cap plug 6 is larger than that of the liquid discharge space 3.

Wherein, the cap plug 6 is squeezed in the process of being plugged into the liquid discharging space 3, the friction force is large, and the cap plug 6 is not easy to fall out of the liquid discharging space 3. Besides being elastically deformable, the rubber cap plug 6 has a rough surface and a large friction coefficient and is not easy to fall off.

In one embodiment, one end of the connecting cord 5 is provided with a circular ring 9, and the cap plug 6 is rotatably mounted in the circular ring 9.

Wherein, connect rope 5 and rely on ring portion 9 cover to establish on cap stopper 6, cap stopper 6 and ring portion 9 do not have the integration and connect, and cap stopper 6 can only rotate in the inner ring of ring portion 9, but can not deviate from. Therefore, when the cap plug 6 is installed in the liquid discharging space 3, the cap plug 6 is extruded into the liquid discharging space 3 through continuous rotation of the cap plug 6, so that the cap plug 6 is compressed and deformed, more volume is extruded into the liquid discharging space, the compression is tighter, and the cap plug 6 is not easy to separate.

In one embodiment, the outer end edge of the liquid discharging port 2 is provided with a buckle part 21 protruding outwards.

Regardless of the fact that the cap plug 6 is plugged into the liquid discharging space 3 or the cap plug 6 is pulled out, the cap plug 6 can be held by one hand, and the buckle part 21 can be held by the other hand, so that the liquid discharging port 2 can be conveniently grabbed, and the cap plug 6 can be installed and separated.

In one embodiment, the top of the bag body 1 is provided with a hanging groove for hanging the bag body 1 during infusion.

In one embodiment, the insertion portion is provided therein with a sealing portion, which is a rubber body for inserting the catheter needle opening.

In one embodiment, the air reservoir 8 and the bag 1 are separated by a film. When the air storage part 8 is squeezed, the film is broken by a large pressure, so that the air in the air storage part 8 escapes to the inside of the bag body 1.

In one embodiment, the inner corners of the bag body 1 are rounded, and liquid can flow out of the liquid discharge port 2 along the arc-shaped corners without residue.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A high-sealing liquid-discharging infusion bag comprises a hollow bag body (1) and an insertion part at the lower end of the bag body (1), and is characterized in that a liquid discharging port (2) is outwards protruded from the top end corner of the bag body (1), a liquid discharging space (3) is arranged in the liquid discharging port (2), a telescopic rubber tube (4) is fixedly connected with the liquid discharging space (3), a first liquid discharging channel (41) is arranged in the telescopic rubber tube (4) in a through manner, and the first liquid discharging channel (41) is communicated with the inside of the bag body (1); the first liquid discharging channel (41) is opened when the telescopic rubber tube (4) is stretched, and the first liquid discharging channel (41) is closed when the telescopic rubber tube (4) is contracted and folded;

the high-sealing liquid-discharging infusion bag further comprises a cap plug (6), wherein the cap plug (6) is detachably fixed in the liquid-discharging space (3) and used for jacking the telescopic rubber tube (4) to form a contracted folded state.

2. The high-tightness liquid-discharging infusion bag according to claim 1, wherein a blocking part (7) for closing the liquid-discharging space (3) and the interior of the bag body (1) is arranged at the bottom end of the liquid-discharging port (2), and the end part of the telescopic rubber tube (4) is fixedly arranged on the blocking part (7); and a second liquid discharging channel (71) communicated with the first liquid discharging channel (41) is arranged on the blocking part (7).

3. The high-tightness liquid-discharging infusion bag according to claim 1, wherein the bag body (1) is further provided with an air storage part (8) for storing air, and the air storage part (8) and the interior of the bag body (1) are mutually sealed.

4. The high-tightness liquid-discharging infusion bag according to claim 1, wherein the cap plug (6) is made of a colloid product, and the diameter of the cap plug (6) is larger than that of the liquid-discharging space (3); the side edge of the bag body (1) is also fixedly provided with a connecting rope (5) for connecting the cap plug (6).

5. The high-tightness liquid-discharging infusion bag according to claim 4, wherein one end of the connecting rope (5) is provided with a circular ring part (9), and the cap plug (6) is rotatably arranged in the circular ring part (9).

6. The high-tightness liquid-discharging infusion bag according to claim 1, wherein the outer end edge of the liquid-discharging port (2) is provided with a buckle part (21) protruding outwards.

7. The high-tightness liquid-discharging infusion bag is characterized in that a hanging groove is formed in the top of the bag body (1).

8. The high-sealability liquid-unloading infusion bag according to claim 1, wherein a glue sealing part is arranged in the insertion part.

9. The high-tightness liquid-discharging infusion bag according to claim 3, wherein the gas storage part (8) and the bag body (1) are separated by a film.

10. The high-tightness liquid-discharging infusion bag is characterized in that the inner end corners of the bag body (1) are rounded.