CN2817836Y - Medical composite plastic cap and its rubber pad - Google Patents
Medical composite plastic cap and its rubber pad Download PDFInfo
- Publication number
- CN2817836Y CN2817836Y CN 200520003081 CN200520003081U CN2817836Y CN 2817836 Y CN2817836 Y CN 2817836Y CN 200520003081 CN200520003081 CN 200520003081 CN 200520003081 U CN200520003081 U CN 200520003081U CN 2817836 Y CN2817836 Y CN 2817836Y
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- pit
- puncture
- lid
- rubber cushion
- plastic
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Abstract
The utility model discloses a rubber pad of a medical composite plastic cap, which is provided with a sealing annular groove, a puncture pit of a plastic needle head and a puncture pit of a stainless steel needle head, wherein the sealing annular groove is symmetrical in a vertical direction. In addition, the utility model also discloses a medical composite plastic cap which makes use of the rubber pad, wherein aluminum foil is connected to the upper end of a cap body in order to make a pressing sheet and the rubber pad sealed in the cap body; the lower end of the cap body is welded on a plastic infusion package. A partition wall of the cap body is provided with a convex ring of the cap body; the convex ring which is positioned in the sealing annular groove is inserted into the lower part of the rubber pad; a convex ring of the pressing sheet and through holes are positioned on the pressing sheet; the convex ring of the pressing sheet, which is positioned in the sealing annular groove, is inserted into the upper part of the rubber pad; the through holes are aligned with the puncture pits of the needle heads.
Description
Technical field
This utility model relates to a kind of medical composite plastic lid, and it can be combined on the plastic infusion packing.This utility model also relates to the rubber cushion that is used for this medical composite plastic lid.
Background technology
Along with the input of external management, technology, product, adnexa, the packing of transfusion is changed the most active.Plastics package instead of glass bottle packing is trend of the times.As one of plastics package transfusion important component part, medical composite plastic lid has caused that the great attention of each manufacturing enterprise, the quality of its quality directly have influence on the sale of infusion products and the reputation of enterprise.Having illustrated among Fig. 1 is that the supporting medical composite plastic of plastics package transfusion covers in the prior art, and it mainly comprises enclosing cover T1, rubber cushion T2, the inner cap T3 that has pull-tab.
The common characteristic of above-mentioned lid is: the production cost height, the combination difficulty big, product quality is wayward, especially the quality of pull-tab directly is subjected to the type selecting of material, the adjustment of mould and the influence of die wear degree, is very easy to take place phenomenon poorly sealed or that can not draw away.In addition, because enclosing cover and inner cap are two elements independent of each other, so may reveal between the two.At present domestic supporting plastics composite cover ubiquity poorly sealed, be difficult for that puncture, welding are not firm, leakage, exfoliation, unlatching difficulty and problem such as on the high side.
The utility model content
The purpose of this utility model provides a kind of easy easy-to-use medical composite plastic lid, to solve the problems referred to above that exist in the conventional art.
According to this utility model, a kind of rubber cushion that is used for medical composite plastic lid is provided, it has the plate-like body of a strip, in described plate-like body, be provided with: a superposed closure gasket groove and a closure gasket groove that is symmetrically located at the bottom, described closure gasket groove extends along the periphery of plate-like body, and stretches into towards plate-like body inside; A superposed plastic spike puncture pit and a plastic spike puncture pit that is symmetrically located at the bottom; Superposed a plurality of rustless steel syringe needle puncture pit and a plurality of rustless steel syringe needles puncture pits that are symmetrically located at the bottom.Wherein, the degree of depth that in plate-like body, stretches into less than plastic spike puncture pit of the degree of depth that in plate-like body, stretches into of described rustless steel syringe needle puncture pit.
Preferably, the rustless steel syringe needle of described upper and lower puncture pit respectively has three.Described plastic spike puncture pit is positioned at vertical side of plate-like body, and described rustless steel syringe needle puncture pit is positioned at vertical opposite side of plate-like body.
Preferably, along the thickness direction of plate-like body, described closure gasket groove, plastic spike puncture pit, rustless steel syringe needle puncture pit cross section separately reduce gradually towards plate-like body inside.
Preferably, described rustless steel syringe needle puncture pit is circular, described plastic spike puncture pit also be circular and diameter greater than described rustless steel syringe needle puncture pit.
According to this utility model, a kind of medical composite plastic lid also is provided, it comprises a foregoing rubber cushion and an aluminium foil, a tabletting and a lid, aluminium foil is connected the upper end of lid, so that tabletting and rubber cushion are encapsulated in the lid, the lower end welding of lid is on the plastic infusion packing, wherein, the inner space of described lid is divided into top cavity and bottom cavity by a partition, the bottom cavity communicates with the inner chamber of plastic infusion packing, the top cavity holds the tabletting cavity volume of tabletting and is positioned at following being used to and hold the rubber cushion cavity volume of rubber cushion and forms by being positioned at top being used to, and the upper surface of partition has the lid bulge loop in the lower seal annular groove of an insertion rubber cushion; Described tabletting be fixed in the tabletting cavity volume of lid with described rubber cushion pushing and pressing on the upper surface of described partition, and described tabletting have one in the top seal annular groove that inserts rubber cushion the tabletting bulge loop and through hole that aligns with described plastic spike puncture pit and one facing to the puncture through hole of pits of described a plurality of rustless steel syringe needles.
Preferably, described aluminium foil is made by aluminum-plastic composite membrane, and wherein the side in the face of lid is plastics, and the side towards the outside is an aluminum.Preferably, described tabletting also has a horizontal expansion center wall that is located between described two through holes, and described center wall has a tip in the upper surface that is expressed to rubber cushion.
Preferably, on the position that is positioned at lid bulge loop inboard, the bottom of partition is provided with to the bottom recessed portion that partition is recessed, and forms the lid thin film with the thickness that reduces partition.The top of partition is provided with two vertical symmetric top recessed portions, and one of them top recessed portion aligns mutually with plastic spike puncture pit, and another top recessed portion is facing to described a plurality of rustless steel syringe needle puncture pits.
Medical composite plastic lid of the present utility model has adopted all-in-one-piece lid, thereby can eliminate leakage problem and lid welding defective.Utilize bulge loop on lid and the tabletting to compress closure gasket groove on the rubber cushion, can further prevent leakage.Firmly minimum when the aluminium foil of being made by aluminum-plastic composite membrane can guarantee to open.Strip (ellipse) rubber cushion can reduce glue consumption, reduces production costs.What is more important, rustless steel syringe needle and plastic spike are taken their own roads on rubber cushion, to satisfy the rustless steel syringe needle puncture characteristic different with plastic spike, make the risk of stifled pin and exfoliation greatly reduce.
Other purpose of the present utility model and advantage can draw from the detailed description of being done with reference to the accompanying drawings.
Description of drawings
Fig. 1 is a kind of exploded perspective view of conventional medical composite plastic lid.
Fig. 2 is the exploded perspective view according to medical composite plastic lid of the present utility model.
Fig. 3 is the assembling stereogram according to medical composite plastic lid of the present utility model.
Fig. 4 is the axonometric chart according to tabletting of the present utility model.
Fig. 5 a and 5b are respectively according to the vertical view of tabletting of the present utility model and cutaway view.
Fig. 6 is the axonometric chart according to rubber cushion of the present utility model.
Fig. 7 a and 7b are respectively according to the vertical view of rubber cushion of the present utility model and cutaway view.
Fig. 8 is the axonometric chart according to lid of the present utility model.
Fig. 9 a, 9b are respectively the vertical and horizontal cutaway views according to lid of the present utility model.
The specific embodiment
Describe with reference to the accompanying drawings according to medical composite plastic lid of the present utility model.Shown in Fig. 2 and 3, constitute by four parts according to medical composite plastic lid of the present utility model, i.e. aluminium foil 1, tabletting 2, rubber cushion 3, lid 4.Aluminium foil 1 is connected the upper end of lid 4, and so that tabletting 2 and rubber cushion 3 are encapsulated in the top cavity of lid 4, the lower end welding of lid 4 is on the plastic infusion packing.
Above-mentioned four parts below make introductions all round.
As an innovation part of the present utility model, aluminium foil 1 can be made by aluminum-plastic composite membrane, and wherein the side in the face of lid 4 is plastics, and the side towards the outside is an aluminum.Like this, by heat-sealing method, can be with aluminium foil 1 welding on lid 4, to realize good sealing and easily openable.
Shown in Fig. 7 b, on the thickness direction of the plate-like body of rubber cushion 3, symmetric arrangement puncture pit and annular groove.Annular groove is meant the up and down closure gasket groove 31 of symmetric arrangement, and the tabletting bulge loop of its shape and tabletting 2 24 is corresponding but size is bigger, is used for by tabletting bulge loop 24 and the lid bulge loop insertion that will describe below.Closure gasket groove 31 stretches into certain degree of depth in the plate-like body of rubber cushion, this stretches into the degree of depth and equals or be slightly larger than the projection height of tabletting bulge loop 24 on tabletting.Insert for the ease of tabletting bulge loop 24 and lid bulge loop, the width of closure gasket groove 31 reduces gradually towards the plate-like body inside of rubber cushion, thus on cross section big up and small down wedge shape, shown in Fig. 7 b.Pit comprises upper and lower each plastic spike puncture pit 32 and upper and lower each a plurality of rustless steel syringe needle puncture pit 33.The plastic spike puncture pit 32 that is arranged in a vertical side aligns with a through hole of tabletting, and the described a plurality of rustless steel syringe needles puncture pits 33 that are arranged in vertical opposite side are generally facing to another through hole of tabletting.
The pit that respectively punctures shown in the figure is circle in vertical view, but is appreciated that their shape is not limited thereto, but can also be rectangle, square, polygon, ellipse etc.Simultaneously, rustless steel syringe needle shown in figure puncture pit is respectively three up and down, but their quantity is not limited thereto, as long as can arrange to such an extent that open on the plate-like body of rubber cushion.
According to the puncture characteristics of rustless steel syringe needle and plastic spike, the cross sectional dimensions of rustless steel syringe needle puncture pit is less than the plastic spike pit that punctures, and they stretch into the degree of depth less than the plastic spike pit that punctures in the plate-like body of rubber cushion.That is to say that shown in Fig. 7 b, the cross sectional dimensions of rustless steel syringe needle puncture pit 33 is less, and the spaced portion between the rustless steel syringe needle puncture pit is thicker up and down; On the other hand, the cross sectional dimensions of plastic spike puncture pit 32 is bigger, and the spaced portion between the plastic spike puncture pit is thinner up and down.Like this, rustless steel syringe needle and plastic spike are taken their own roads on rubber cushion, to satisfy the rustless steel syringe needle puncture characteristic different with plastic spike, make the risk of stifled pin and exfoliation greatly reduce.
For the ease of molded and shaped and assembling, the wall of described respectively puncture pit and annular groove can have wedge degree and chamfering or fillet (shown in Fig. 7 b).
The shape of lid 4 is shown in Fig. 8,9a, 9b.It is roughly cylindric that lid 4 is, and it has the spatial cylindrical outer wall 41 of the lid portion inside of limiting.The partition 42 that extends perpendicular to outer wall in outer wall 41 is divided into top cavity and bottom cavity with the inner space of lid 4.Holding tabletting 2 and rubber cushion 3 in the cavity of top, and by cover part 11 sealings of aluminium foil 1.The bottom cavity communicates with the inner chamber of plastic infusion packing.The lower end of lid 4 is welded together with mode as known in the art and plastic infusion packing.For the ease of combined with the plastic infusion packing, the lower end of outer wall 41 has outstanding annular ridge 44 and outward extending annular lip 43 downwards.
The top cavity is made up of top tabletting cavity volume 45 and following rubber cushion cavity volume 46.Tabletting cavity volume 45 produces a shoulder part 47 that is used to support tabletting 2 neighboring parts greater than rubber cushion cavity volume 46 between the two.
The outer contour shape of tabletting cavity volume 45 is consistent with the outline of tabletting 2, but size is slightly larger than the outline of tabletting 2, so that tabletting 2 is assembled in the tabletting cavity volume 45.The degree of depth of tabletting cavity volume 45 equals or is slightly larger than tabletting 2.
The outer contour shape of rubber cushion cavity volume 46 is consistent with the outline of rubber cushion 3, but size is slightly larger than the outline of rubber cushion 3, so that rubber cushion 3 is assembled in the rubber cushion cavity volume 46.The degree of depth of rubber cushion cavity volume 46 is equal to or slightly less than rubber cushion 3.Define formation gap 48 between the inner surface of bottom and outer wall 41 of material part of rubber cushion cavity volume 46.Define between the outer surface of the material part of tabletting cavity volume 45 and outer wall 41 and form step 49.
As supplementary features, the top of partition 42 is provided with two vertical symmetrical circular top recessed portions 412, and one of them aligns mutually with plastic spike puncture pit 32, and another is then facing to all rustless steel syringe needle puncture pits 33.Like this, at top recessed portion 412 places, two parts the thinnest in the lightening holes of partition 42 have been formed, so that by needle penetration.Should be pointed out that top recessed portion 412 and nonessential, under the enough thin situation of lightening holes, can cancel top recessed portion 412.In addition, too thin and might cause its undercapacity the time, can on the lower surface of lightening holes, ribs be set at lightening holes.
Under assembled state shown in Figure 3, rubber cushion 3 is urged between the partition 42 of tabletting 2 and lid 4.The tabletting bulge loop 24 of tabletting 2 inserts in the top seal annular groove 31 of rubber cushion 3, and the lid bulge loop 410 of partition 42 inserts in the lower seal annular groove 31 of rubber cushion 3.The tip 23a of tabletting 2 is expressed in the upper surface of rubber cushion 3.Tabletting 2 is bonded in the lid 4 in mode well known in the art.Aluminium foil 1 is sealed in the top edge of lid 4, to cover tabletting 2.Rubber cushion 3 can be only remains in the rubber cushion cavity volume 46 by means of the thrust of tabletting 2, also can additionally apply binding agent at suitable position, so that it more is firmly held in the rubber cushion cavity volume 46.
In use, but this opens aluminium foil 1, plastic spike is passed plastic spike passes corresponding lightening holes (or the thinnest part) in pit 32 and the partition 42, and/or with the rustless steel syringe needle pass rustless steel syringe needle puncture pit 33 and and partition 42 in corresponding lightening holes (or the thinnest part).
Medical composite plastic lid of the present utility model is a kind of novel composite cover that easily tears, be characterized in: one, adopt outer wall in the lid of injection mo(u)lding and lid to form the lid thin film of one, to replace traditional inner cap, exterior and interior cover is merged into holistic lid, fundamentally solved the leakage problem and the lid welding defective that sternly do not cause owing to the exterior and interior cover assembling; Two, the tabletting of setting up is fixed on rubber cushion reliably and moulds in the lid, utilizes the bulge loop on lid and the tabletting to compress the rubber cushion closure gasket groove, farthest stops the generation of the phenomenon of leakage in the infusion process; Three, Chuan Xin aluminum-plastic composite membrane seals form, firmly reaches minimum degree when having guaranteed to open, and reduce the labor intensity of transfusion user greatly, and the inner rubber cushion of protection is not subjected to the pollution of external environment; Four, adopt strip (ellipse) rubber cushion to replace circular rubber cushion, reduce glue consumption as far as possible, reduce production costs; Five, rustless steel syringe needle and plastic spike are taken their own roads on rubber cushion, and the rustless steel syringe needle adopts different thickness with the plastic spike point of puncture, to satisfy the rustless steel syringe needle puncture characteristic different with plastic spike, make the risk of stifled pin and exfoliation greatly reduce.
Though described specific embodiment of the present utility model above, persons of ordinary skill in the art may appreciate that under the situation that does not break away from this utility model principle, can make various modifications to it.
Claims (10)
1. one kind is used for the rubber cushion that medical composite plastic covers, and the plate-like body that it has a strip is characterized in that, is provided with in described plate-like body:
A superposed closure gasket groove and a closure gasket groove that is symmetrically located at the bottom, described closure gasket groove extends along the periphery of plate-like body, and stretches into towards plate-like body inside;
A superposed plastic spike puncture pit and a plastic spike puncture pit that is symmetrically located at the bottom;
Superposed a plurality of rustless steel syringe needle puncture pit and a plurality of rustless steel syringe needles puncture pits that are symmetrically located at the bottom;
Wherein, the degree of depth that in plate-like body, stretches into less than plastic spike puncture pit of the degree of depth that in plate-like body, stretches into of described rustless steel syringe needle puncture pit.
2. rubber cushion as claimed in claim 1 is characterized in that: the rustless steel syringe needle puncture pit of described upper and lower respectively has three.
3. rubber cushion as claimed in claim 1 or 2 is characterized in that: described plastic spike puncture pit is positioned at vertical side of plate-like body, and described rustless steel syringe needle puncture pit is positioned at vertical opposite side of plate-like body.
4. rubber cushion as claimed in claim 1 or 2 is characterized in that: along the thickness direction of plate-like body, described closure gasket groove, plastic spike puncture pit, rustless steel syringe needle puncture pit cross section separately reduce gradually towards plate-like body inside.
5. rubber cushion as claimed in claim 1 or 2 is characterized in that, described rustless steel syringe needle puncture pit is circular, described plastic spike puncture pit also be circular and diameter greater than described rustless steel syringe needle puncture pit.
6. a medical composite plastic covers, it comprises a rubber cushion, an aluminium foil, a tabletting and a lid, aluminium foil is connected the upper end of lid, so that tabletting and rubber cushion are encapsulated in the lid, the lower end welding of lid is on the plastic infusion packing, described rubber cushion has the plate-like body of a strip, it is characterized in that:
Be provided with in described plate-like body: a superposed closure gasket groove and a closure gasket groove that is symmetrically located at the bottom, described closure gasket groove extends along the periphery of plate-like body, and stretches into towards plate-like body inside; A superposed plastic spike puncture pit and a plastic spike puncture pit that is symmetrically located at the bottom; Superposed a plurality of rustless steel syringe needle puncture pit and a plurality of rustless steel syringe needles puncture pits that are symmetrically located at the bottom; Wherein, the degree of depth that in plate-like body, stretches into less than plastic spike puncture pit of the degree of depth that in plate-like body, stretches into of described rustless steel syringe needle puncture pit;
The inner space of described lid is divided into top cavity and bottom cavity by a partition, the bottom cavity communicates with the inner chamber of plastic infusion packing, the top cavity holds the tabletting cavity volume of tabletting and is positioned at following being used to and hold the rubber cushion cavity volume of rubber cushion and forms by being positioned at top being used to, and the upper surface of partition has the lid bulge loop in the lower seal annular groove of an insertion rubber cushion;
Described tabletting be fixed in the tabletting cavity volume of lid with described rubber cushion pushing and pressing on the upper surface of described partition, and described tabletting have one in the top seal annular groove that inserts rubber cushion the tabletting bulge loop and through hole that aligns with described plastic spike puncture pit and one facing to the puncture through hole of pits of described a plurality of rustless steel syringe needles.
7. medical composite plastic lid as claimed in claim 6, it is characterized in that: described aluminium foil is made by aluminum-plastic composite membrane, and wherein the side in the face of lid is plastics, and the side towards the outside is an aluminum.
8. as claim 6 or 7 described medical composite plastics lids, it is characterized in that: described tabletting also has a horizontal expansion center wall that is located between described two through holes, and described center wall has a tip in the upper surface that is expressed to rubber cushion.
9. as claim 6 or 7 described medical composite plastic lids, it is characterized in that: on the position that is positioned at lid bulge loop inboard, the bottom of partition is provided with to the bottom recessed portion that partition is recessed, and forms the lid thin film with the thickness that reduces partition.
10. medical composite plastic lid as claimed in claim 9, it is characterized in that: the top of partition is provided with two vertical symmetric top recessed portions, one of them top recessed portion aligns mutually with plastic spike puncture pit, and another top recessed portion is facing to described a plurality of rustless steel syringe needle puncture pits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520003081 CN2817836Y (en) | 2005-03-08 | 2005-03-08 | Medical composite plastic cap and its rubber pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520003081 CN2817836Y (en) | 2005-03-08 | 2005-03-08 | Medical composite plastic cap and its rubber pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2817836Y true CN2817836Y (en) | 2006-09-20 |
Family
ID=37003888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520003081 Expired - Lifetime CN2817836Y (en) | 2005-03-08 | 2005-03-08 | Medical composite plastic cap and its rubber pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2817836Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010066364A1 (en) * | 2008-12-09 | 2010-06-17 | West Pharmaceutical Services Deutschland Gmbh & Co. Kg | Method for the production of a closure |
| CN101766846B (en) * | 2008-12-31 | 2013-04-24 | 塑之源(北京)医药科技有限公司 | Multi-cell transfusion system |
| CN103876934A (en) * | 2014-03-26 | 2014-06-25 | 上海盛本包装材料有限公司 | Two-channel seal port used for infusion container |
| CN108237694A (en) * | 2016-12-27 | 2018-07-03 | 谢忠民 | A kind of seam formula thermoforming plastic lid |
| CN108455056A (en) * | 2018-03-30 | 2018-08-28 | 广东知识城运营服务有限公司 | A kind of plastic composition lid arrangement |
-
2005
- 2005-03-08 CN CN 200520003081 patent/CN2817836Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010066364A1 (en) * | 2008-12-09 | 2010-06-17 | West Pharmaceutical Services Deutschland Gmbh & Co. Kg | Method for the production of a closure |
| CN101766846B (en) * | 2008-12-31 | 2013-04-24 | 塑之源(北京)医药科技有限公司 | Multi-cell transfusion system |
| CN103876934A (en) * | 2014-03-26 | 2014-06-25 | 上海盛本包装材料有限公司 | Two-channel seal port used for infusion container |
| CN108237694A (en) * | 2016-12-27 | 2018-07-03 | 谢忠民 | A kind of seam formula thermoforming plastic lid |
| CN108455056A (en) * | 2018-03-30 | 2018-08-28 | 广东知识城运营服务有限公司 | A kind of plastic composition lid arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150308 Granted publication date: 20060920 |