CN203694111U - Combined sealing cover for needle-free infusion - Google Patents
Combined sealing cover for needle-free infusion Download PDFInfo
- Publication number
- CN203694111U CN203694111U CN201320797444.3U CN201320797444U CN203694111U CN 203694111 U CN203694111 U CN 203694111U CN 201320797444 U CN201320797444 U CN 201320797444U CN 203694111 U CN203694111 U CN 203694111U
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- Prior art keywords
- shoulder hole
- elastic sealing
- cover
- lid
- joint
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The utility model discloses a combined sealing cover for needle-free infusion. The combined sealing cover comprises an outer cover, an inner cover, a connector, an elastic sealing piece and an inner chip, wherein the outer cover comprises a cover body and a cover base which is connected and matched with a liquid storage container opening; the cover base and the cover boy are in sealed connection; the inner cover is arranged in the cover base and is tightly matched with the cover base; a liquid outlet is formed in the inner cover; a positioning ring is arranged around the part above the liquid outlet; a support piece through which the liquids passes is arranged inside the positioning ring; the bottom end of the connector is matched with the positioning ring; the top tip of the support piece is propped against the bottom side of the elastic sealing piece; the outer edge of the upper surface of the elastic sealing piece is in contact match with the lower surface of an inner step of the connector; an inner core which is buckled with the connector of a needle-free infusion tube and is used for pushing the elastic sealing piece to drive the fluid to flow out is arranged inside the connector; the bottom side of the inner core is in contact match with the upper surface of the elastic sealing piece. The sealing cover prevents the phenomenon that an infusion bottle contains rubber scraps, and is convenient to use.
Description
Technical field
This utility model relates to clinical medicine technical field, is specifically related to a kind of no-needle transfusion combined sealed cap.
Background technology
Human vein injection, because drug effect is rapid, was widely applied at pharmaceutical sanitary field in recent years.Seal cover is as the seal fitting of infusion bottle or transfusion bag, and its structure and material is also constantly improved in actual use.In clinical vein drug treatment, often need multi-medicament use in conjunction, especially antibiotic extensively, widely apply, repeated localised puncture bottle stopper in connecting tube for transfusion and dissolving dosing process, can cause plug bits microgranule to enter medicinal liquid.
There are some researches prove, can reach 42.3%, 6 piece time by 2 pieces plug desquamation rates of No. 16 syringe needle punctures and can reach 100%.Bring by transfusion the harm that the microgranule of human body causes into well known.So particle number, the particularly use of the inline final filter of tube for transfusion end that people have adopted several different methods control to enter human body have stoped the particle number that enters human body effectively.In recent years, the difference that inline final filter filters all size microgranule has caused people's concern.These inline final filters are dangerous to the filtration of microgranule, and people must avoid the pollution of microgranule in the preparation of infusing, use procedure as far as possible.
Therefore, thoroughly solve the injury of buffings microgranule to transfusion person's health, be necessary seal cover of the prior art to do the improvement of needleless direction.
Utility model content
The purpose of this utility model is to overcome the defect existing in prior art, a kind of no-needle transfusion combined sealed cap is provided, this no-needle transfusion is simple in structure, easy to use with combined sealed cap, can realize the needleless operation of transfusion and dosing, thoroughly avoids the phenomenon of exfoliation in liquid storage container.
For realizing above-mentioned technique effect, the technical solution of the utility model is: a kind of no-needle transfusion combined sealed cap, it is characterized in that, described combined sealed cap comprises enclosing cover, inner cap, joint, elastic sealing strip and inner core, described enclosing cover comprises lid and the cage for being connected with liquid storage container mouth, between the lid of described cage cage upper end, be tightly connected, described inner cap be arranged in described cage and with cage tight fit, in described, cover and be provided with liquid outlet, around above described liquid outlet, be provided with locating ring or locating hole, in described locating ring or locating hole, be provided with the support member that can make liquid pass through, the bottom of described joint coordinates with described locating ring or locating hole, the top top of described support member is pressed in the bottom surface of described elastic sealing strip, the upper surface outer rim of described elastic sealing strip contacts cooperation with the interior step lower surface of described joint, in described joint, be provided with for no-needle transfusion pipe joint make-up and promote elastic sealing strip make liquid flow out inner core, the bottom surface of described inner core contacts cooperation with described elastic sealing strip upper surface.
For simplified structure, preferred technical scheme is, the outline of described joint is multidiameter, the inner chamber of described joint is the shoulder hole concentric with joint outline, described multidiameter comprises the first multidiameter, the second multidiameter and the 3rd multidiameter, described shoulder hole comprises the first shoulder hole, the second shoulder hole and the 3rd shoulder hole, described the first multidiameter is set in described locating ring, described elastic sealing strip is arranged in the first shoulder hole, the outer surface of described the 3rd multidiameter is provided with the syndeton coordinating with no-needle transfusion pipe joint, described inner core cover is located in described the second shoulder hole and the 3rd shoulder hole.
In order to guarantee to transport in storage and keep gnotobasis in lid after seal cover is assembled in infusion bottle or transfusion bag, avoid polluting medicine, preferred technical scheme is, described cage and lid are integral type, on described lid, be provided with draw ring, the junction inner surface of described cage and lid is provided with annular recess, and described lid inner surface is provided with the tearing groove for cage being separated with lid along described annular recess.
For easy to operate, preferred technical scheme is that described syndeton is external screw thread, or is L shaped catching groove, or is protruding button.
In order to facilitate dosing, preferred technical scheme is, covers in described and is provided with dosing mouth, and the top of described dosing mouth is provided with dosing guide cylinder around, on described dosing mouth or dosing guide cylinder, is provided with dosing hermetically-sealed construction.
In order to simplify combined sealed cap structure, convenient manufacture, and as far as possible reduce the resistance of support member to liquid outlet fluid, preferred technical scheme is, and described support member is lamellar, and the top of described lamellar support member is the isosceles triangle of drift angle rounding off or trapezoidal.
Preferred technical scheme can also be that the top outline of described support member is pyramid or the circular cone of drift angle rounding off.
For diaphragm seal being formed to certain chucking power, avoid diaphragm seal to be subjected to displacement when inner core is pressed after liquid medicine is lubricated, cause being difficult to resetting, so that there is leakage, preferred technical scheme is, in described the second shoulder hole, be provided with the Horizontal limiting bar through described the second shoulder hole axle center, the upper surface laminating of described Horizontal limiting bar and described elastic sealing strip arranges, described inner core bottom is provided with gap, and the leg chimb of described gap both sides matches with the second shoulder hole of described Horizontal limiting bar both sides.
For convenient for assembly and lock inner core, preferred technical scheme is that the cavity in the middle part of one end to the three shoulder holes that described the 3rd shoulder hole is connected with no-needle transfusion pipe is rounding taper type.
Efficient and convenient in order to guarantee the tearing of lid, mfg. moulding die is simple in structure, and preferred technical scheme is that described tearing groove is screw-like groove, one end of described screw thread dress groove is oppositely arranged on the junction of draw ring and lid, and the described screw-like groove other end seamlessly transits to annular recess.
Efficient and convenient in order to guarantee the tearing of lid, mfg. moulding die is simple in structure, preferred technical scheme can also be, described tearing groove comprises the open recess that is arranged on described lid inner surface, the junction of described open recess and described draw ring and lid is oppositely arranged, and one end of described open recess is connected with described annular recess by the line style groove that is arranged on described lid end face and side wall inner surfaces.
In order how to realize dosing in infusion process, preferred technical scheme is, described dosing mouth is arranged in described and covers, or is arranged on the locating ring of described liquid outlet.
Frequent dosing more easily produces buffings, and preferred technical scheme is that described dosing hermetically-sealed construction is identical with the no-needle transfusion structure of described joint, elastic sealing strip, inner core and support member composition.
In order to guarantee the sealing of dosing mouth, preferred technical scheme can also be that described dosing hermetically-sealed construction is elastic sealing gasket or sealing-plug.
Inner core is after pressing, and two legs eject diaphragm seal, makes to form gap between diaphragm seal and joint, in order to facilitate medicine to flow out smoothly, and guarantee that diaphragm seal is not subjected to displacement simultaneously, preferably technical scheme is, described Horizontal limiting bar and the perpendicular setting of described lamellar support member.
In order further to reduce the resistance of support member to liquid outlet fluid, preferred technical scheme is that the bottom of described support member is provided with the recess being oppositely arranged with liquid outlet.
After enclosing cover is opened, in order to guarantee to realize aseptic dosing in infusion process, and avoid occurring the phenomenon such as in the dead of night, preferred technical scheme can also be, on described elastic sealing gasket, be provided with cross mouth, described elastic sealing gasket outward also laminating bag be provided with seal cover, described seal cover with described locating ring by screw thread or be clasped and be connected.
Advantage of the present utility model and beneficial effect are:
By using combination sealing bottle stopper, avoid occurring the phenomenon containing buffings microgranule in infusion bottle completely;
This combination sealing plug structure is simple, easily manufactured;
This combined sealed cap is easy to use, not only alleviate transfusion personnel working strength, and has avoided using syringe needle unexpected injury and the disease propagation that causes etc.;
Can save the inline final filter of originally setting up in tube for transfusion.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model no-needle transfusion combined sealed cap embodiment 1;
Fig. 2 is the structural representation of enclosing cover in Fig. 1;
Fig. 3 is another structural representation of embodiment 1;
Fig. 4 is the plan structure schematic diagram of inner cap in Fig. 1;
Fig. 5 is the cutaway view of A-A in Fig. 4;
Fig. 6 is the perspective view of Fig. 4;
Fig. 7 is the perspective view of Fig. 1 center tap;
Fig. 8 is the sectional structure schematic diagram of Fig. 1 center tap along axle center;
Fig. 9 is the perspective view of inner core in Fig. 1;
Figure 10 is the using state figure of Fig. 1;
Figure 11 is another using state figure of Fig. 2;
Figure 12 is the structural representation of embodiment 2;
Figure 13 is the top view of Figure 12;
The structural representation of Figure 14 embodiment 3;
Figure 15 is the upward view of lid in embodiment 4;
Figure 16 is the C-C ' cutaway view of Figure 14;
Figure 17 is the B-B ' cutaway view of Figure 14;
Figure 18 is the plan structure schematic diagram of inner cap in embodiment 5.
In figure: 1, combined sealed cap; 2, enclosing cover; 3, inner cap; 4, joint; 5, elastic sealing strip; 6, inner core; 7, lid; 8, cage; 9, liquid outlet; 10, locating ring; 11, support member; 12, the first multidiameter; 13, the second multidiameter; 14, the 3rd multidiameter; 15, the first shoulder hole; 16, the second shoulder hole; 17, the 3rd shoulder hole; 18, syndeton; 19, draw ring; 20, screw-like groove; 21, annular recess; 22, Horizontal limiting bar; 23, gap; 24, leg; 25, dosing mouth; 26, dosing hermetically-sealed construction; 27, recess; 28, elastic sealing gasket; 29, dosing guide cylinder; 30, locating hole; 31, open recess; 32, line style groove; 33, no-needle transfusion pipe joint.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
Embodiment 1
As shown in Fig. 1 and Figure 11, embodiment is a kind of combined sealed cap 1 for no-needle transfusion, combined sealed cap 1 comprises enclosing cover 2, inner cap 3, joint 4, elastic sealing strip 5 and inner core 6, enclosing cover 2 comprises lid 7 and the cage 8 for being connected with liquid storage container mouth, between cage 8 and lid 7, be tightly connected, inner cap 3 be arranged in cage 8 and with cage 8 tight fits, on inner cap 3, be provided with liquid outlet 9, around above liquid outlet 9, be provided with locating ring 10, in locating ring 10, be provided with the support member 11 that can make liquid pass through, the bottom of joint 4 coordinates with locating ring 10, the top top of support member 11 is pressed in the bottom surface of elastic sealing strip 5, the upper surface outer rim of elastic sealing strip 5 contacts cooperation with the interior step lower surface of joint 4, in joint 4, be provided with for no-needle transfusion pipe joint 33 make-ups and promote elastic sealing strip 5 make liquid flow out inner core 6, the bottom surface of inner core 6 contacts cooperation with elastic sealing strip 5 upper surfaces.
In the present embodiment, the outline of joint 4 is multidiameter, the inner chamber of joint 4 is the shoulder hole concentric with joint outline, multidiameter comprises the first multidiameter 12, the second multidiameter 13 and the 3rd multidiameter 14, shoulder hole comprises the first shoulder hole 15, the second shoulder hole 16 and the 3rd shoulder hole 17, the first multidiameter 12 is set in locating ring 10, elastic sealing strip 5 is arranged in the first shoulder hole 15, the outer surface of the 3rd multidiameter 14 is provided with the syndeton 18 coordinating with no-needle transfusion pipe joint 33, and inner core 6 is set in the second shoulder hole 15 and the 3rd shoulder hole 16.
In the present embodiment, cage 8 and lid 7 are integral type, are provided with draw ring 19 on lid 7, and the junction inner surface of cage 8 and lid 7 is provided with annular recess 21, and lid 7 inner surfacies are provided with the tearing groove for cage 8 being separated with lid 7 along annular recess.
In the present embodiment, syndeton 18 is external screw thread.
In the present embodiment, be provided with dosing mouth 25 on inner cap 8, the top of dosing mouth 25 is also provided with dosing guide cylinder 29 around, on dosing mouth 25 or dosing guide cylinder 29, is provided with dosing hermetically-sealed construction 26.
In the present embodiment, support member 11 is lamellar, and the top of lamellar support member is the isosceles triangle of drift angle rounding off or trapezoidal.
In the present embodiment, in the second shoulder hole 15, be provided with the Horizontal limiting bar 22 through the second shoulder hole 15 axle center, Horizontal limiting bar 22 arranges with the upper surface laminating of elastic sealing strip 5, inner core 6 bottoms are provided with gap 23, and leg 24 chimbs of gap 23 both sides match with the second shoulder hole 15 of Horizontal limiting bar 22 both sides.
In the present embodiment, tearing groove is screw-like groove 20, and one end of screw thread dress groove 20 is oppositely arranged on the junction of draw ring 19 and lid 7, and screw-like groove 20 other ends seamlessly transit to annular recess 21.
The cavity at three shoulder hole 16 middle parts, one end to that in the present embodiment, the 3rd shoulder hole 16 is connected with no-needle transfusion pipe is rounding taper type.
In the present embodiment, dosing hermetically-sealed construction 26 is elastic sealing gasket 28 or sealing-plug.
In the present embodiment, dosing mouth 25 is arranged on inner cap 3.
In the present embodiment, Horizontal limiting bar 22 and the perpendicular setting of lamellar support member.
In the present embodiment, the bottom of support member 11 is provided with the recess 27 being oppositely arranged with liquid outlet 9.
Embodiment 2
Embodiment 2 is from the different of embodiment 1: dosing mouth 25 is arranged on the locating ring 10 of liquid outlet 9.
Embodiment 3
Embodiment 3 is from the different of embodiment 1: dosing hermetically-sealed construction 26 is identical with the no-needle transfusion structure that joint 4, elastic sealing strip 5, inner core 6 and support member 11 form.
Embodiment 4
Embodiment 4 is from the different of embodiment 1: tearing groove comprises the open recess 31 that is arranged on lid inner surface, open recess 31 is oppositely arranged with draw ring 19 and the junction of lid 7, and one end of open recess 31 is connected with annular recess 21 by the line style groove 32 that is arranged on lid 7 end faces and side wall inner surfaces.
Embodiment 5
Embodiment 5 is from the different of embodiment 1: the top outline of support member 11 is the pyramid of drift angle rounding off.
In addition, can also on elastic sealing gasket, be provided with cross mouth, elastic sealing gasket is also fitted to wrap outward and is provided with seal cover, and seal cover is connected by being clasped with locating ring; Support member can also be for being provided with cone or the frustum of several through holes; In locating ring or locating hole, be provided with support column, on the top of support column and joint bottom surface, fit.
The operation principle of this combined sealed cap embodiment 1 is: need to infuse time, first tractive draw ring, lid along helical groove by tearing to annular recess place, joint in the joint of tube for transfusion link and this utility model is screwed, the connection tube protruding on the joint of tube for transfusion link withstands inner core, inner core presses down elastic sealing strip, and combined sealed cap is communicated with tube for transfusion.While needing dosing, only need the port of medicine adding syringe to be connected with joint, pressing syringe can add medicine in the liquid storage containers such as infusion bottle, or seal cover is screwed out, the cross mouth center of syringe needle being inserted to elastic sealing gasket, pressing syringe can add medicine in the liquid storage containers such as infusion bottle.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of this utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a no-needle transfusion combined sealed cap, it is characterized in that, described combined sealed cap comprises enclosing cover, inner cap, joint, elastic sealing strip and inner core, described enclosing cover comprises lid and the cage for being connected with liquid storage container mouth, described cage and lid between be tightly connected, described inner cap be arranged in described cage and with cage tight fit, in described, cover and be provided with liquid outlet, around above described liquid outlet, be provided with locating ring or locating hole, in described locating ring or locating hole, be provided with the support member that can make liquid pass through, the bottom of described joint coordinates with described locating ring or locating hole, the top top of described support member is pressed in the bottom surface of described elastic sealing strip, the upper surface outer rim of described elastic sealing strip contacts cooperation with the interior step lower surface of described joint, in described joint, be provided with for no-needle transfusion pipe joint make-up and promote elastic sealing strip make liquid flow out inner core, the bottom surface of described inner core contacts cooperation with described elastic sealing strip upper surface.
2. no-needle transfusion combined sealed cap according to claim 1, it is characterized in that, the outline of described joint is multidiameter, the inner chamber of described joint is the shoulder hole concentric with joint outline, described multidiameter comprises the first multidiameter, the second multidiameter and the 3rd multidiameter, described shoulder hole comprises the first shoulder hole, the second shoulder hole and the 3rd shoulder hole, described the first multidiameter is set in described locating ring, described elastic sealing strip is arranged in the first shoulder hole, the outer surface of described the 3rd multidiameter is provided with the syndeton coordinating with no-needle transfusion pipe joint, described inner core cover is located in described the second shoulder hole and the 3rd shoulder hole.
3. no-needle transfusion combined sealed cap according to claim 1, it is characterized in that, described cage and lid are integral type, on described lid, be provided with draw ring, the junction inner surface of described cage and lid is provided with annular recess, and described lid inner surface is provided with the tearing groove for cage being separated with lid along described annular recess.
4. no-needle transfusion combined sealed cap according to claim 1, is characterized in that, described syndeton is external screw thread, or is L shaped catching groove, or is protruding button.
5. no-needle transfusion combined sealed cap according to claim 1, is characterized in that, covers in described and is provided with dosing mouth, and the top of described dosing mouth is provided with dosing guide cylinder around, on described dosing mouth or dosing guide cylinder, is provided with dosing hermetically-sealed construction.
6. no-needle transfusion combined sealed cap according to claim 1, is characterized in that, described support member is lamellar, and the top of described lamellar support member is the isosceles triangle of drift angle rounding off or trapezoidal.
7. no-needle transfusion combined sealed cap according to claim 1, is characterized in that, the top outline of described support member is pyramid or the circular cone of drift angle rounding off.
8. no-needle transfusion combined sealed cap according to claim 2, it is characterized in that, in described the second shoulder hole, be provided with the Horizontal limiting bar through described the second shoulder hole axle center, the upper surface laminating of described Horizontal limiting bar and described elastic sealing strip arranges, described inner core bottom is provided with gap, and the leg chimb of described gap both sides matches with the second shoulder hole of described Horizontal limiting bar both sides.
9. no-needle transfusion combined sealed cap according to claim 2, is characterized in that, the cavity at the three shoulder hole middle parts, one end to that described the 3rd shoulder hole is connected with no-needle transfusion pipe is rounding taper type.
10. no-needle transfusion combined sealed cap according to claim 3, it is characterized in that, described tearing groove is screw-like groove, and one end of described screw thread dress groove is oppositely arranged on the junction of draw ring and lid, and the described screw-like groove other end seamlessly transits to annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797444.3U CN203694111U (en) | 2013-12-05 | 2013-12-05 | Combined sealing cover for needle-free infusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797444.3U CN203694111U (en) | 2013-12-05 | 2013-12-05 | Combined sealing cover for needle-free infusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203694111U true CN203694111U (en) | 2014-07-09 |
Family
ID=51044623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797444.3U Expired - Fee Related CN203694111U (en) | 2013-12-05 | 2013-12-05 | Combined sealing cover for needle-free infusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203694111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103919680A (en) * | 2013-12-02 | 2014-07-16 | 江阴市鸿萌橡塑制品有限公司 | Combined seal cover for needleless transfusion |
-
2013
- 2013-12-05 CN CN201320797444.3U patent/CN203694111U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103919680A (en) * | 2013-12-02 | 2014-07-16 | 江阴市鸿萌橡塑制品有限公司 | Combined seal cover for needleless transfusion |
| WO2015081557A1 (en) * | 2013-12-02 | 2015-06-11 | 江阴市鸿萌橡塑制品有限公司 | Combined seal cover for needleless infusion |
| CN103919680B (en) * | 2013-12-02 | 2016-01-20 | 江阴市鸿萌橡塑制品有限公司 | A kind of no-needle transfusion combined sealed cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20211205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |