CN204734728U - Prevent flowing backward polypropylene infusion bag with sealed lid of easy -to -draw - Google Patents

Abstract

The utility model relates to a prevent flowing backward polypropylene infusion bag with sealed lid of easy -to -draw, including infusion bag body (1), top tube (3), low tube (4), top cap (5), easily roll over pull ring (6) and prevent flowing backward the mechanism, the upper end outer wall and infusion bag body (1) the sealing connection of top tube (3), the lower extreme of top tube (3) and the upper end sealing connection of low tube (4), the lower extreme port department of low tube (4) installs top cap (5), prevent that it includes drain post (10) and end contrary stopper (11) to flow backward the mechanism, drain post (10) have open -ended bucket formula structure for upper portion, many play liquid seams (12) have been seted up along the axis direction on the lateral wall of drain post (10) to the open end of drain post (10) and the upper portion sealing connection of top tube (3), end contrary stopper (11) and setting up in drain post (10). The utility model has the advantages of: the leakproofness is good, anti -pollution and prevent the liquid medicine refluence, has and prevents flowing backward the effect.

Description

There is the reverse-filling polypropylene infusion bag of Pop-top seal cap

Technical field

This utility model relates to transfusion bag, particularly has the reverse-filling polypropylene infusion bag of Pop-top seal cap.

Background technology

Venous transfusion mode goes through three changes: from full open model to semi open model, then to total closed type, there has been the transfusion bag of a large amount of total closed types, but when clinical treating disease, require transfusion bag energy convenient pin, puncturing hole cleanliness factor is high.Realize above requirement, then need jointly to improve the composite cover of transfusion bag and sealing transfusion bag.

The puncture reliability of existing transfusion bag is poor, due to the misoperation of medical personnel, easily puncture transfusion bag, cause infusing unsuccessfully, even there is security incident, in addition, the sealing property of composite cover transfusion bag is bad, easily before and after transfusion, occurs the phenomenon of leakage, and in order to prevent medicinal liquid from refluxing, thus make transfusion bag need fixed placement, therefore patient under normal circumstances can not arbitrarily movement, and this makes troubles to patient.

Utility model content

The purpose of this utility model is the shortcoming overcoming prior art, provides a kind of good airproof performance, the anti-pollution and reverse-filling polypropylene infusion bag with Pop-top seal cap that prevents medicinal liquid from flowing backwards.

The purpose of this utility model is achieved through the following technical solutions: the reverse-filling polypropylene infusion bag with Pop-top seal cap, comprise transfusion bag body, upper pipe, lower pipe, top cover, draw ring easy to break and reverse-filling mechanism, the afterbody of transfusion bag body is provided with hanging hole, upper end outer wall and the transfusion bag body of upper pipe are tightly connected, and upper pipe is communicated with transfusion bag body interior, the lower end of upper pipe and the upper end of lower pipe are tightly connected, the port, lower end of lower pipe is provided with top cover, the lower surface of top cover is provided with draw ring easy to break, plug is provided with between the lower surface of top cover and upper pipe, the lower surface of upper pipe is also pasted with and easily stings film, described reverse-filling mechanism comprises drain post and non-return plug, drain post is the tub structure that top has opening, the opening of drain post is connected with the top seal of upper pipe, the sidewall of drain post offers in the axial direction many fluid seams, non-return plug arranges in drain post, and the upper end face of non-return plug is consistent with the upper inner lateral surface of upper pipe.

The side of described transfusion bag body is also provided with reinforcement, and reinforcement is positioned at pipe and transfusion bag body junction.

The lateral wall of described upper pipe is provided with pipe bulge loop, and the medial wall of lower pipe is provided with the lower pipe groove that can coordinate with upper pipe bulge loop, during assembling, upper pipe bulge loop is stuck in lower pipe groove.

The medial wall of described lower pipe is provided with lower pipe bulge loop, the lateral wall of plug is provided with the plug groove that can coordinate with lower pipe bulge loop, during assembling, lower pipe bulge loop is stuck in plug groove.

The upper inner lateral surface of described upper pipe is cone structure, and the upper end face of described non-return plug is also cone structure.

This utility model has the following advantages:

1, in the lower surface of upper pipe, stickup easily stings film, after dress liquid, easily medicinal liquid is isolated from the outside by thorn film, prevent medicinal liquid contaminated, after puncturing, plug is being fitted with lower inside pipe wall, adds pipe bulge loop and plug groove fit up and down, is formed multiple-sealed, no matter be before transfusion or in infusion process, its good sealing effect.

2, drain post is set on upper pipe top, non-return plug is set in drain post, during normal infusion, non-return plug is positioned at drain column bottom, and transfusion bag is communicated with upper pipe inside, and medicinal liquid can flow out from fluid seam, when transfusion bag is inverted, during medicinal liquid backflow, non-return plug under gravity, upwards move by the top of pipe, the pipe mouth of pipe blocked by non-return plug, realize the isolation between transfusion bag and upper pipe, effectively can avoid liquid return, serve good reverse-filling effect.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is that upper pipe coordinates with lower pipe and is in out the sectional structure schematic diagram of liquid status;

Fig. 3 is A-A place sectional structure schematic diagram in Fig. 2;

Fig. 4 is that upper pipe coordinates with lower pipe and is in the sectional structure schematic diagram of non-return state;

In figure: 1-transfusion bag body, 2-hanging hole, the upper pipe of 3-, manages under 4-, 5-top cover, 6-draw ring easy to break, 7-reinforcement, 8-plug, and 9-easily stings film, 10-drain post, the non-return plug of 11-, and 12-fluid is stitched, 13-pressed on ring bulge loop, ring bulge loop under 14-.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is further described, but protection domain of the present utility model is not limited to the following stated.

As shown in Figure 1, there is the reverse-filling polypropylene infusion bag of Pop-top seal cap, comprise transfusion bag body 1, upper pipe 3, lower pipe 4, top cover 5, draw ring 6 easy to break and reverse-filling mechanism, the afterbody of transfusion bag body 1 is provided with hanging hole 2, upper end outer wall and the transfusion bag body 1 of upper pipe 3 are tightly connected, and upper pipe 3 is communicated with transfusion bag body 1 inside, the lower end of upper pipe 3 and the upper end of lower pipe 4 are tightly connected, the port, lower end of lower pipe 4 is provided with top cover 5, the lower surface of top cover 5 is provided with draw ring 6 easy to break, plug 8 is provided with between the lower surface of top cover 5 and upper pipe 3, the lower surface of upper pipe 3 is also pasted with easily thorn film 9, as shown in Figures 2 and 3, described reverse-filling mechanism comprises drain post 10 and non-return plug 11, drain post 10 has the tub structure of opening for top, the opening of drain post 10 is connected with the top seal of upper pipe 3, the sidewall of drain post 10 offers in the axial direction many fluid seams 12, non-return plug 11 arranges in drain post 10, and the upper end face of non-return plug 11 is consistent with the upper inner lateral surface of upper pipe 3.

Further, the side of described transfusion bag body 1 is also provided with reinforcement 7, reinforcement 7 is positioned at pipe 3 and transfusion bag body 1 junction, strengthens the intensity of transfusion bag body 1 and upper pipe 3 junction, prevent puncture wear in there is causing because this place's intensity is low the phenomenon of breakage.

Further, the lateral wall of described upper pipe 3 is provided with pipe bulge loop 13, the medial wall of lower pipe 4 is provided with the lower pipe groove that can coordinate with upper pipe bulge loop 13, during assembling, upper pipe bulge loop 13 is stuck in lower pipe groove.

Further, the medial wall of described lower pipe 4 is provided with lower pipe bulge loop 14, the lateral wall of plug 8 is provided with the plug groove that can coordinate with lower pipe bulge loop 14, during assembling, lower pipe bulge loop 14 is stuck in plug groove.

Further, the upper inner lateral surface of described upper pipe 3 is cone structure, and the upper end face of described non-return plug 11 is also cone structure, and two cone structures can realize automatic centering, and increase upper contact area of managing with 3 and non-return plug 11, strengthen the sealing property in reverse-filling process.

Work process of the present utility model is as follows: as shown in Figure 2, arranges non-return plug 11, during normal infusion in drain post 10, non-return plug 11 is positioned at bottom drain post 10, transfusion bag body 1 is communicated with upper pipe 3 inside, and medicinal liquid can stitch 12 from fluid and flow out, as shown in Figure 4, when transfusion bag body 1 is inverted, during medicinal liquid backflow, non-return plug 11 under gravity, upwards move by the top of pipe 3, pipe 3 mouth of pipe blocked by non-return plug 11, realizes reverse-filling effect.

Claims (5)

1. there is the reverse-filling polypropylene infusion bag of Pop-top seal cap, it is characterized in that: comprise transfusion bag body (1), upper pipe (3), lower pipe (4), top cover (5), draw ring easy to break (6) and reverse-filling mechanism, the afterbody of transfusion bag body (1) is provided with hanging hole (2), upper end outer wall and the transfusion bag body (1) of upper pipe (3) are tightly connected, and upper pipe (3) is communicated with transfusion bag body (1) inside, the lower end of upper pipe (3) and the upper end of lower pipe (4) are tightly connected, the port, lower end of lower pipe (4) is provided with top cover (5), the lower surface of top cover (5) is provided with draw ring easy to break (6), plug (8) is provided with between the lower surface of top cover (5) and upper pipe (3), the lower surface of upper pipe (3) is also pasted with and easily stings film (9), described reverse-filling mechanism comprises drain post (10) and non-return plug (11), drain post (10) has the tub structure of opening for top, the opening of drain post (10) is connected with the top seal of upper pipe (3), the sidewall of drain post (10) offers in the axial direction many fluids seam (12), non-return plug (11) arranges in drain post (10), and the upper end face of non-return plug (11) is consistent with the upper inner lateral surface of upper pipe (3).

2. the reverse-filling polypropylene infusion bag with Pop-top seal cap according to claim 1, it is characterized in that: the side of described transfusion bag body (1) is also provided with reinforcement (7), reinforcement (7) is positioned at pipe (3) and transfusion bag body (1) junction.

3. the reverse-filling polypropylene infusion bag with Pop-top seal cap according to claim 1, it is characterized in that: the lateral wall of described upper pipe (3) is provided with pipe bulge loop (13), the medial wall of lower pipe (4) is provided with the lower pipe groove that can coordinate with upper pipe bulge loop (13), during assembling, upper pipe bulge loop (13) is stuck in lower pipe groove.

4. the reverse-filling polypropylene infusion bag with Pop-top seal cap according to claim 1, it is characterized in that: the medial wall of described lower pipe (4) is provided with lower pipe bulge loop (14), the lateral wall of plug (8) is provided with the plug groove that can coordinate with lower pipe bulge loop (14), during assembling, lower pipe bulge loop (14) is stuck in plug groove.

5. the reverse-filling polypropylene infusion bag with Pop-top seal cap according to claim 1, is characterized in that: the upper inner lateral surface of described upper pipe (3) is cone structure, and the upper end face of described non-return plug (11) is also cone structure.