CN219461919U - Novel transfusion bag - Google Patents

Abstract

The utility model discloses a novel infusion bag, relates to the technical field of medical appliances, and solves the technical problems that the existing infusion bag needs to be punctured when being connected with an infusion tube, so that the risk of puncture is high and a patient is easy to infect; the utility model comprises a transfusion bag body, a container interface, a hollow combined cover and a pull ring cap, wherein the pull ring cap is detachably connected to the combined cover, the combined cover comprises a base, a shell and a rubber sealing head, the shell is connected to the base, the rubber sealing head is arranged on the inner wall of the combined cover, a liquid flow channel is arranged in the combined cover, an automatic-sealing liquid flow outlet is arranged on the upper end face of the rubber sealing head, and a locking structure is further arranged on the shell; the utility model does not need to use a puncture outfit, and has the characteristics of high safety, strong convenience and practicability and stable connection.

Description

Novel transfusion bag

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a novel infusion bag.

Background

The traditional infusion bag structure comprises a bag body, an interface for a plastic infusion container and a plastic infusion container combined cover, wherein the plastic infusion container combined cover is easy to fold, and after the cap is broken, the combined cover is pierced by an infusion puncture joint to be connected with an infusion tube, but the structure has certain defects: on the one hand, owing to the use of puncture ware, have the risk of stabbing that produces medical personnel easily to increase medical personnel's risk of being infected, on the other hand, in the in-process that puncture ware was punctured, have the piece to fall into the infusion passageway, thereby cause patient's infection, because the existence of these problems, lead to current infusion bag safety, convenience and practicality still to wait to improve when using.

Disclosure of Invention

The utility model aims to solve the technical problems that puncture is needed when an infusion bag is connected with an infusion tube, so that the risk of puncture is high and a patient is easy to infect.

The utility model is realized by the following technical scheme:

the novel infusion bag comprises an infusion bag body, a container interface, a hollow combined cover and a pull ring cap, wherein the pull ring cap is detachably connected to the combined cover;

the combined cover comprises a base, a shell and a rubber sealing head, wherein the shell is connected to the base, the rubber sealing head is arranged on the inner wall of the combined cover, a liquid flow channel is arranged in the combined cover, a liquid flow outlet capable of being automatically closed is arranged on the upper end face of the rubber sealing head, and a locking structure is further arranged on the shell.

Further, the rubber sealing head is a silicon rubber sealing head.

Further, an annular step is arranged on the inner wall of the base, and the lower end of the rubber sealing head is connected to the annular step.

Further, a through hole is formed in the middle of the annular step.

Further, a cavity is arranged in the base and is communicated with the through hole in the middle of the annular step.

Further, the rubber sealing head is communicated with the base to form a liquid flow channel.

Further, the locking structure is a threaded structure and is arranged on the outer wall of the shell.

Further, the lower end of the combined cover is communicated with the container connector, the upper end of the combined cover is connected with the infusion tube connector through the locking structure, and the infusion tube connector downwards extrudes the rubber sealing head to press the liquid flow outlet.

Further, the pull ring cap comprises a pull ring seat, a pull ring and a fastening structure, wherein the pull ring is arranged at the top of the pull ring seat, and the fastening structure is arranged on the inner wall of the pull ring seat.

Further, the fastening structure is a rubber protrusion.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. the infusion bag is simple in structure and convenient to use, the infusion bag can be communicated with the infusion tube without connecting the infusion tube with the puncture outfit, the puncture risk of the puncture outfit on medical staff in the use process can be avoided, and the infusion bag has high safety and convenience.

2. The screw locking structure is arranged on the combined cover shell, so that the combined cover shell is convenient to connect with the infusion tube joint, is convenient to detach, and is stable in connection.

3. According to the utility model, the rubber sealing head is arranged in the combined cover, so that the flowing of the liquid medicine in the pipeline can be prevented from outflow, and a good sealing effect is achieved.

4. According to the utility model, the liquid outlet capable of being automatically closed is arranged on the upper end surface of the rubber sealing head, and is in a closed state under the condition of no stress due to the contractibility of rubber, and when the liquid outlet is subjected to extrusion, the originally closed liquid outlet can be pressed open, so that the structure is simple, and the practicability is strong.

5. The utility model can effectively protect the combined cover from pollution by arranging the pull ring cap, the pull ring cap can be directly pulled out to be separated from the combined cover when the combined cover is disassembled, the disassembly is very convenient, meanwhile, the inner wall of the pull ring cap is provided with the rubber bulge, the combination cover can be better protected from pollution by utilizing the contractility of the rubber bulge and realizing the fastening between the outer shell of the combined cover through extrusion deformation.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the combination lid after connection with the pull ring cap;

FIG. 3 is a schematic cross-sectional view of a composite cover;

FIG. 4 is a schematic perspective view of a composite cover;

FIG. 5 is a schematic structural view of a pull ring cap;

FIG. 6 is an enlarged view of a portion of the portion A of FIG. 5;

FIG. 7 is a schematic view of the connection of the combination cap to the infusion tube connector.

In the drawings, the reference numerals and corresponding part names:

1-infusion bag body, 2-container interface, 3-combined cover, 301-base, 302-shell, 303-rubber sealing head, 304-liquid flow channel, 305-screw thread structure, 306-liquid flow outlet, 307-annular step, 308-through hole, 309-cavity, 4-pull ring cap, 401-pull ring seat, 402-pull ring, 403-rubber bulge, 5-screw joint.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the utility model. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the utility model.

Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the utility model. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the present utility model, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

Example 1

The embodiment 1 provides a novel infusion bag, as shown in fig. 1-7, comprising an infusion bag body 1, a container interface 2, a hollow combined cover 3 and a pull ring cap 4, and referring specifically to fig. 1, one end of the container interface 2 is connected to the infusion bag body 1, and the other end is connected to the combined cover 3. The pull ring cap 4 can be detachably connected to the combined cover 3, before the infusion tube connection is carried out, the pull ring cap 4 needs to be detached, the pull ring cap 4 is arranged to protect the combined cover 3 from being polluted, and the pull ring 402 structure is convenient for medical staff to detach.

The combined cover 3 comprises a base 301, a shell 302 and a rubber sealing head 303, wherein the shell 302 is connected to the base 301, the rubber sealing head 303 is arranged on the inner wall of the combined cover 3, and the arrangement of the rubber sealing head 303 can ensure that liquid medicine can not flow in a pipeline and flow out, so that a good sealing effect is achieved; the combined cover 3 is internally provided with a liquid flow channel 304; the upper end surface of the rubber sealing head 303 is provided with a liquid outlet 306 which can be automatically closed, and the liquid outlet 306 is in a closed state under the condition of no stress due to the contractibility of rubber, and when the rubber sealing head is pressed, the originally closed liquid outlet 306 can be pressed open.

The housing 302 is further provided with a locking structure, which is arranged to facilitate the matching connection with the infusion tube connector, and the connection is firmer.

When the infusion tube is used, the pull ring cap 4 is firstly detached, then the combined cover 3 is connected with the infusion tube connector through the locking structure, and particularly as shown in fig. 7, after the screw connector 5 of the infusion tube is connected with the combined cover 3, the screw connector 5 can downwards extrude the rubber sealing head 303, the liquid flow outlet 306 at the top of the rubber sealing head 303 is extruded, and the liquid flow outlet 306 which is originally in a closed state is forced to be pressed open, so that the combined cover 3 is communicated with the infusion tube. The infusion bag is simple in structure and convenient to use, the infusion bag can be communicated with the infusion tube without connecting the infusion tube with the puncture outfit, the puncture risk of the puncture outfit on medical staff in the use process can be avoided, and the infusion bag has high safety and convenience.

The rubber sealing head 303 adopts a silicone rubber sealing head, so that the sealing effect is ensured, and the inside of the rubber sealing head is communicated with the base 301 to form a liquid flow channel 304.

Wherein, the inner wall of the base 301 is provided with an annular step 307, the lower end of the rubber sealing head 303 is connected to the annular step 307, the connection of the rubber sealing head 303 is facilitated by the annular step 307, specifically, a through hole 308 is provided in the middle of the annular step 307, a cavity 309 is provided in the base 301, the cavity 309 is communicated with the through hole 308 in the middle of the annular step 307, specifically, as shown in fig. 3, the cavity inside the rubber sealing head 303, the through hole 308 in the middle of the annular step 307 and the cavity 309 in the base 301 are communicated, thereby forming a liquid flow channel 304.

The locking structure is a threaded structure 305, which is disposed on the outer wall of the housing 302, see fig. 3, 4 and 7, and the threaded structure 305 is an external thread disposed on the housing 302, and is matched with an internal thread of the screwed joint 5 of the infusion tube, so that the screwed connection is not only convenient to detach, but also stable in connection.

The pull ring cap 4 comprises a pull ring seat 401, a pull ring 402 and a fastening structure, wherein the pull ring 402 is arranged at the top of the pull ring seat 401, the fastening structure is arranged on the inner wall of the pull ring seat 401, and specifically, the fastening structure is a circle of rubber protrusions 403; the rubber bulge 403 on the inner wall of the pull ring cap 4 is contractive, so that the pull ring cap can be fastened with the outer shell of the combined cover 3 through extrusion deformation, the combined cover 3 can be effectively protected from pollution, and the pull ring cap 4 can be directly pulled out to be separated from the combined cover 3 when being detached, so that the combined cover is convenient to detach.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The novel infusion bag comprises an infusion bag body (1) and a container interface (2) and is characterized by further comprising a hollow combined cover (3) and a pull ring cap (4), wherein the pull ring cap (4) is detachably connected to the combined cover (3);

the combined cover (3) comprises a base (301), a shell (302) and a rubber sealing head (303), wherein the shell (302) is connected to the base (301), the rubber sealing head (303) is arranged on the inner wall of the combined cover (3), a liquid flow channel (304) is arranged in the combined cover (3), an automatic sealing liquid flow outlet (306) is formed in the upper end face of the rubber sealing head (303), and a locking structure is further arranged on the shell (302).

2. The novel infusion bag according to claim 1, wherein the rubber sealing head (303) is a silicone rubber sealing head.

3. The novel infusion bag according to claim 1, wherein an annular step (307) is arranged on the inner wall of the base (301), and the lower end of the rubber sealing head (303) is connected to the annular step (307).

4. A novel infusion bag according to claim 3, wherein the middle part of the annular step (307) is provided with a through hole (308).

5. The novel infusion bag according to claim 4, wherein a cavity (309) is arranged in the base (301), and the cavity (309) is communicated with a through hole (308) in the middle of the annular step (307).

6. A novel infusion bag according to any of claims 1-5, wherein the rubber sealing head (303) is internally communicated with the base (301) to form a liquid flow channel (304).

7. The novel infusion bag according to claim 1, wherein the locking structure is a threaded structure (305) arranged on the outer wall of the housing (302).

8. The novel infusion bag according to claim 1, wherein the lower end of the combined cover (3) is communicated with the container interface (2), the upper end of the combined cover (3) is connected with an infusion tube joint through a locking structure, and the infusion tube joint presses down the rubber sealing head (303) to press the liquid flow outlet (306) open.

9. The novel infusion bag according to claim 1, wherein the pull ring cap (4) comprises a pull ring seat (401), a pull ring (402) and a fastening structure, the pull ring (402) is arranged at the top of the pull ring seat (401), and the fastening structure is arranged on the inner wall of the pull ring seat (401).

10. A new infusion bag according to claim 9, wherein the fastening means is a rubber protrusion (403).