CN201710651U

CN201710651U - Combined sealing cover of infusion container

Info

Publication number: CN201710651U
Application number: CN201020200336XU
Authority: CN
Inventors: 黄健
Original assignee: CHENGDU PUSH MEDICAL PLASTICS PACKAGING Co Ltd
Current assignee: CHENGDU PUSH MEDICAL PLASTICS PACKAGING Co Ltd
Priority date: 2010-05-21
Filing date: 2010-05-21
Publication date: 2011-01-19
Anticipated expiration: 2020-05-21

Abstract

A combined sealing cover of an infusion container aims at improving convenience of a sealing cover in use and comprises an outer sleeve (10), a sealing rubber cushion (20) and an inner sleeve (30). The inner sleeve (30) is nested inside the outer sleeve (10), the sealing rubber cushion (20) is tightly fastened between the outer sleeve (10) and the inner sleeve (30), and at least one puncturing portion (14) with reducing thickness is arranged on a top wall (12) of the outer sleeve (10). The combined sealing cover has the advantages that the puncturing portion on the top wall of the outer sleeve is obvious and extremely convenient in use, a puncturing concave pitch on the sealing rubber cushion can be omitted, the thickness of the top wall, except for the part with the puncturing portion, of the outer sleeve is larger to avoid breakage in assembly, clamping length of the sealing cover to an infusion needle is larger, and a fluid distribution bag suspended via the infusion needle is difficult for falling off.

Description

The infusion vessel combined sealed cap

Technical field

This utility model relates to airtight lid for container, relates in particular to a kind of combined sealed cap that is used to seal infusion vessel.

Background technology

Infusion vessel adopts flexible package more, and as transfusion bag or the infusion bottle made from medical plastic, its port all needs to adopt the seal cover sealing.At present, combined sealed cap is adopted in the sealing of infusion vessel more, such combined sealed cap is made up of one group of overcoat, seal gasket and interior cover, interior cover is nested in the overcoat, seal gasket is clamped between overcoat and the interior cover, interior cover lower end and the welding of infusion vessel port, seal gasket upper surface and/or lower surface are provided with the pit that supplies transfusion needle or the puncture of dosing pin to pass through.Opening ways then has two classes, one class is tearing configuration to be set on the roof of overcoat and to lift ring, pulling lifts ring the overcoat roof is separated from body during use, the seal gasket upper surface is exposed, this overcoat exists complex structure and sterilization to be difficult for thorough deficiency, and rupturing because of undue force lifts the ring root when the overcoat roof does not separate as yet fully from body appears in regular meeting in using, it is incomplete to cause the seal gasket upper surface to expose, then can only with other auxiliary implements with the overcoat roof of remnants from the body sled from, therefore also exist and use inconvenient defective; Another kind of then is to have saved above-mentioned tearing configuration and lift ring on the overcoat roof, be easy to the thin-wall construction that passed through by the puncture of transfusion needle or dosing pin and adopted, as being promptly to disclose the seal cover overcoat that adopts structure like this in the utility model patent description of CN2728947Y 200420092806.X, Granted publication number in the patent No., there is following deficiency in this overcoat, whole roof is a thin-walled, cracky during assembling; Although such overcoat has adopted the material with certain transparency to make, be still the thing that part is required great effort through the puncture pit that its roof is observed on the clear seal gasket, use inconvenient; In addition, because wall is thin and offer pit on seal gasket, seal cover is shorter to the clamping length of transfusion needle, the chucking power deficiency, and the separatory bag that hangs by transfusion needle comes off easily, and is especially true when using the steel transfusion needle.

The utility model content

Technical problem to be solved in the utility model provides a kind of infusion vessel combined sealed cap easy to use.

The technical scheme that its technical problem that solves this utility model adopts is: infusion vessel combined sealed cap of the present utility model, comprise overcoat, seal gasket and interior cover, interior cover is nested in the overcoat, seal gasket is clamped between overcoat and the interior cover, it is characterized in that: the puncture portion that has at least one reduced thickness on the roof of described overcoat.

After taking technique scheme, puncture portion on the roof is comparatively obvious, made things convenient for use, because roof other position thickness except that puncture portion are thicker, cracky not during assembling, and on the seal gasket puncture pit can be set, seal cover is longer to the clamping length of transfusion needle, makes the separatory bag difficult drop-off that hangs by transfusion needle.

Improve as technique scheme, for making described puncture portion more obvious, the periphery of described puncture portion has the bulge loop that its upper end-face edge exceeds overcoat roof upper surface.

As further improvement in the technical proposal, be to guarantee unlikely the coming off of separatory bag of hanging by transfusion needle, the annular inner wall of described bulge loop and transfusion needle shape of cross section, size are suitable.

The beneficial effects of the utility model are that the puncture portion on the overcoat roof is obvious, uses very convenient; On the seal gasket puncture pit can be set no longer, and overcoat roof thickness except that puncture portion is thicker, cracky not during assembling; Seal cover is longer to the clamping length of transfusion needle, makes the separatory bag difficult drop-off that hangs by transfusion needle.

Description of drawings

This description comprises following five width of cloth accompanying drawings:

Fig. 1 is the structural representation of this utility model infusion vessel combined sealed cap embodiment 1;

Fig. 2 is the structural representation of overcoat in this utility model infusion vessel combined sealed cap;

Fig. 3 is the vertical view of overcoat in this utility model infusion vessel combined sealed cap;

Fig. 4 is the structural representation of interior cover in this utility model infusion vessel combined sealed cap;

Fig. 5 is the structural representation of this utility model infusion vessel combined sealed cap embodiment 2;

Fig. 6 is the structural representation of this utility model infusion vessel combined sealed cap embodiment 3;

Parts, position and numbering among the figure: overcoat 10, guard shield 11, roof 12, bulge loop 13, puncture portion 14, snap ring 15, easy to breakly be with 16, draw-in groove 17, annular groove 18, seal film 19, seal gasket 20, interior cover 30, roof 31, flange 32.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is further specified.

As shown in Figure 1, infusion vessel combined sealed cap of the present utility model comprises overcoat 10, seal gasket 20 and interior cover 30, and interior cover 30 is nested in the overcoat 10, seal gasket 20 is clamped between overcoat 10 and the interior cover 30, interior cover 30 lower ends and the welding of infusion vessel port.As Fig. 2, shown in Figure 3, the roof 12 of overcoat 10 has the puncture portion 14 of at least one reduced thickness, and puncture portion 14 is comparatively obvious, uses very conveniently, and other position thickness on the roof 12 except that puncture portion 14 are thicker, cracky not during assembling.The quantity of puncture portion 14 is provided with one or more as required, owing on seal gasket 20 upper surfaces and/or the lower surface puncture pit can be set no longer, both helped simplifying the structure of seal gasket 20, be convenient to processing, make the clamping length of 20 pairs of transfusion needles of seal gasket longer again, make the separatory bag difficult drop-off that hangs by transfusion needle.For making puncture portion 14 more obvious, the periphery of puncture portion 14 also can have the bulge loop 13 that its upper end-face edge exceeds overcoat roof upper surface.Be to guarantee unlikely the coming off of separatory bag of hanging by transfusion needle, the annular inner wall of bulge loop 13 and transfusion needle shape of cross section, size are suitable, and in other words, the annular inner wall of bulge loop 13 also can play clamping action to transfusion needle.The quantity of bulge loop 13 and size are example by purposes decision with the overcoat shown in Fig. 3 10, and roof 12 is provided with two less bulge loops of diameter for dosing pin or draw point use, also are provided with the bigger bulge loop of diameter of the thicker plastic infusion pin puncture of confession.

Overcoat 10 can be taked various ways with the encapsulation of roof 12, connects, pegs graft, is threaded etc. as hinge, also can use and seal film, and Fig. 1, Fig. 5 and Fig. 6 disclose three kinds of forms wherein, embodiment 1 promptly of the present utility model, embodiment 2 and embodiment 3.As shown in Figure 1, also be provided with openable guard shield 11 on the overcoat 10, be with 16 to form hinges and is connected by easy to break between overcoat 10 and the guard shield 11, guard shield 11 has the protuberance of evagination radially on the periphery relative with hinge, can at an easy rate guard shield 11 be backed down with pointing during use.As shown in Figure 5, form between overcoat 10 and the guard shield 11 and peg graft, can on guard shield 11 lower end inwalls, a pair of raised line be set, and on the outer wall of overcoat 10, offer corresponding with it a pair of groove,, can not come off easily after guard shield 11 is depressed as the chucking structure with raised line, groove.In the foregoing description 1, embodiment 2, for make between overcoat 10 and the guard shield 11 be connected comparatively tight, can on the contact surface of the roof 12 of overcoat 10 and guard shield 11, the snap ring 15 that raises up be set, the annular groove 18 chimeric with this snap ring 15 then is set on guard shield 11.As shown in Figure 6, the central part of roof 12 sinks with respect to the last end periphery of overcoat 10, on the periphery of overcoat 10 bonding one hide roof 12 seal film 19.

Fig. 1 shows a kind of form that is connected between overcoat 10 and the interior cover 30 simultaneously, in addition can certainly adopt other forms.As Fig. 2 and shown in Figure 4, has ring-type draw-in groove 17 on overcoat 10 lower inner wall, then has flange 32 on the interior cover 30 bottom outer walls, flange 32 enters draw-in groove 17 when depressing overcoat 10, make overcoat 10 and interior cover 30 nested lockings, and seal gasket 20 is clamped between the roof 31 of roof 12, interior cover 30 of overcoat 10.As shown in Figure 4, the roof 31 of interior cover 30 adopts thin-wall construction, is easy to by transfusion needle or dosing needle-penetration.

It is pointed out that top described principles more of the present utility model that just explain through diagrams, because the those of ordinary skill in constructed field is easy to carry out on this basis some modifications and change.Therefore, this description be not be this utility model to be confined to shown in and in described concrete structure and the scope of application, so every the corresponding modify and equivalent that might be utilized all belongs to the claim that this utility model is applied for.

Claims

1. infusion vessel combined sealed cap, comprise overcoat (10), seal gasket (20) and interior cover (30), interior cover (30) is nested in the overcoat (10), seal gasket (20) is clamped between overcoat (10) and the interior cover (30), it is characterized in that: the puncture portion (14) that has at least one reduced thickness on the roof (12) of described overcoat (10).

2. infusion vessel combined sealed cap according to claim 1 is characterized in that: the periphery of described puncture portion (14) has the bulge loop (13) that its upper end-face edge exceeds roof (12) upper surface.

3. infusion vessel combined sealed cap according to claim 2 is characterized in that: the annular inner wall of described bulge loop (13) and transfusion needle shape of cross section, size are suitable.

4. infusion vessel combined sealed cap according to claim 1 is characterized in that: also be provided with openable guard shield (11) on the described overcoat (10).

5. infusion vessel combined sealed cap according to claim 4 is characterized in that: form hinge by band easy to break (16) between described overcoat (10) and the guard shield (11) and be connected.

6. infusion vessel combined sealed cap according to claim 4 is characterized in that: form between described overcoat (10) and the guard shield (11) and peg graft.

7. according to claim 5 or 6 described infusion vessel combined sealed caps, it is characterized in that: described roof (12) is provided with the snap ring (15) that raises up with the contact surface of guard shield (11), then is provided with the annular groove (18) chimeric with this snap ring (15) on guard shield (11).

8. infusion vessel combined sealed cap according to claim 1 is characterized in that: the central part of described roof (12) sinks with respect to the last end periphery of overcoat (10).

9. infusion vessel combined sealed cap according to claim 8 is characterized in that: the periphery of described overcoat (10) be bonded with one hide roof (12) seal film (19).