CN108785079A - Built-in inner-sealing seamless transfusion bag - Google Patents

Abstract

The invention discloses a kind of built-in inner-sealing seamless transfusion bags, including bag body and combined cap.Bag body is formed by non-PVC multi-layer co-extruded film heat seal, and the internal wall of bag is sealedly connected with combined cap, and combined cap is composed of outer cover and rubber pad.For the present invention by interior sealing built in transfusion combined cover in the internal portion of bag, Clinical practice can be facilitated by eliminating interface, reduce clinical liquid medicine contamination probability, reduced production and carrying cost, reduced percolation ratio.

Description

Built-in inner-sealing seamless transfusion bag

Technical field

The present invention relates to a kind of infusion bag, more particularly to a kind of built-in inner-sealing seamless transfusion bag.

It is made after the generally PP TYPE heat seal made of two non-PVC materials of current non-PVC infusion bag.In order to protect Demonstrate,prove performance, PP TYPE be by least three layers of different melting points and the plastic material such as polypropylene (PP) of performance, polyethylene (PE), Polyamide (PA) and a variety of elastic materials (SEBS), co-extruded films under cleaning condition.Internal layer is that fusing point is low and through compatible pharmaceutical The safe material of the pass the tests such as property；Generally use polypropylene (PP), polyethylene (PE)；Middle layer is that fusing point is higher with excellent Water, vapour lock separating performance and mechanical strength dense material.Such as polypropylene (PP), polyamide (PA)；Outer layer is fusing point higher, is suitable for Technique bag making and the material of product storage and transportation composition.

The production of big infusion (high-capacity injection) product of general non-PVC multi-layer co-extruded film soft bag packaging, first uses mould Two opposite non-PVC films stacked are carried out periphery heat seal by tool, generate Sheng liquid bag body jaggy, then interface insertion bag body is lacked Mouth welding, then liquid is poured into, combined cap of burn-oning sealing.This mode using external interface frequently results in interface and non-PVC film Between because of failure welding or storage and transportation problem generate product leakage, crisis drug safety.

It also proposes not having to interface, combination cover gab is welded in non-PVC multi-layer co-extruded film from the external side of liquid bag bag is contained Scheme on outer membrane.This external combined cap and the Sheng external film of liquid bag form the external no interface bag of external interior sealing infusion mechanism Scheme, because inconsistent with the graded rule of each layer fusing point of non-PVC film so that be difficult to realize in technique.

The object of the present invention is to provide a kind of built-in inner-sealing seamless transfusion bags.

According to an aspect of the present invention, a kind of built-in inner-sealing seamless transfusion bag is provided, including contains liquid bag body and interior Combined cap is set, built-in combined cap, which is set to, contains the internal portion of liquid bag.Thus, it is possible to which so that built-in inner-sealing seamless transfusion bag is had reduces Cost, effect easy to process, reducing percolation ratio and reduction liquid medicine contamination risk.

In some embodiments, built-in combined cap is composed of outer cover and rubber pad, is covered with groove, rubber pad outside Embedded in inside grooves, the upper surface of rubber pad is affixed on bottom portion of groove, and the opening of outer cover is sealedly attached to bag body from bag from inside to outside Inner wall, rubber pad are equipped with opposite annular groove and opposite pit, and opposite annular groove is respectively arranged on the upper and lower ends of rubber pad Face, opposite pit are respectively arranged on the upper and lower ends face of rubber pad.Thus, it is possible to make rubber pad be more easy to be put into groove and Syringe needle is more easy to distinguish the effect in region of making up a prescription and be infused when infusion.

In some embodiments, it contains liquid bag body to be made of two PP TYPE edge ring packings, the multilayer is total Extruded film includes at least outer layer, middle layer and internal layer from outside to inside, and the fusing point of the PP TYPE from outside to inside successively decreases.As a result, Be conducive to contain the raising of the processing efficiency of liquid bag body, and the percolation ratio for containing liquid bag body is lower.

In some embodiments, combined cap and the internal wall of Sheng liquid bag can be formed with heat seal containing the internal portion of liquid bag Sterile sealing area built in one.Internal aseptic seal area as a result, is infusion mechanism, can have infusion clinical dosing to allocate, Syringe needle for transfusion device puncture connection and leakproof medicine function, sterile sealing area can ensure infusion when the region in without bacterium, in turn Ensure quality of liquid medicine.

In some embodiments, the outer cover back side for setting combined cap is connected with anti-puncturing mechanism, and anti-puncturing mechanism is sheathed on On the outside of cover bottom portion, the side wall of anti-puncturing mechanism and bottom are equipped with drug-leaking hole, are equipped with positioning protrusion at anti-puncture train openings, outside Lid side-wall outer side is equipped with locating slot, determines positioning protrusion and is buckled in the locating slot of outer cover.Thus, it is possible to preventing unexpected pierce through from containing The effect of liquid bag body.

In some embodiments, it contains outside liquid bag body and posts sterility protection film.Thus, it is possible to have outside when preventing injection The effect of portion's germ contamination syringe needle.

In some embodiments, sterility protection film is affixed on the outside of combined cap.The sterile of liquid bag inside and outside both sides is contained as a result, Region face.

It is the invention discloses a kind of built-in inner-sealing seamless transfusion bag, interior sealing built in transfusion combined cover is internal in bag Portion, Clinical practice can be facilitated by eliminating interface, reduce clinical liquid medicine contamination probability, reduced production and carrying cost, reduced and ooze Leak rate.

Fig. 1 is that a kind of broken section of the side view structure of embodiment of inner-sealing seamless transfusion bag built in the present invention shows It is intended to.

Fig. 2 is the schematic diagram of the built-in inner-sealing seamless transfusion bag of one embodiment of the present invention.

Fig. 3 be one embodiment of the present invention built-in inner-sealing seamless transfusion bag in outer cover section view signal amplification Figure.

Fig. 4 be one embodiment of the present invention built-in inner-sealing seamless transfusion bag in rubber stopper be put into cuing open after outer cover Depending on illustrating enlarged drawing.

The invention will now be described in further detail with reference to the accompanying drawings.

Fig. 1-Fig. 4 schematically shows built-in inner-sealing seamless transfusion bag according to an embodiment of the present, And the position relationship of wherein outer cover and rubber pad.

As shown in the figure：Built-in inner-sealing seamless transfusion bag in the present embodiment, including contain liquid bag body 1 and built-in combined cap 2, built-in combined cap 2, which is set to, to be contained inside liquid bag body 1.Liquid bag body 1 is contained when carrying out bag making, periphery bonding operation is that multilayer is total Fusion between extruded film, there is no the influence of interface, existing PP TYPE is non-PVC multi-layer co-extruded film.Due to interior It sets combined cap 2 and is set to the inside for containing liquid bag body 1, such first can be to avoid existing infusion bag liquid in external interface and sky The case where gas contact stain liquid；Second can make infusion bag shape more specification, be readily transported；Third can also reduce built-in group 2 volume of closing lid reduces cost.

Built-in combined cap 2 is composed of outer cover 3 and rubber pad 4, and outer cover 3 is equipped with groove 7, and rubber pad 4 is embedded in groove 7 The upper surface of inside, rubber pad 4 is affixed on 7 bottom of groove, and from bag, heat seal is connected to Sheng liquid bag body to the opening of outer cover 3 from inside to outside 1 PP TYPE inner wall.Outer cover 3 is made of the inertia non-PVC material that will not pollute liquid for meeting medicine inspection safety detection, this Sample can ensure quality of liquid medicine.

Rubber pad 4 is equipped with pit 9 and two opposite annular grooves 10, and annular groove 10 is respectively arranged on up and down the two of rubber pad 4 A end face, pit 9 are set to the lower face of rubber pad 4.Opposite annular groove can make rubber pad 4 be easier to be put into groove 7, recessed Hole 9 can have multiple, and different pits 9 can be used separately as making up a prescription and injecting, and can be used for multiple times in this way to avoid a position.

Liquid bag body 1 is contained to be made of two non-PVC multi-layer co-extruded film edge ring packings.Between two non-PVC multi-layer co-extruded films Liquid holding space is constituted, liquid is contained.

PP TYPE includes at least outer layer, middle layer and internal layer, the fusing point of PP TYPE from outside to inside from outside to inside Successively decrease.It, can be in the case where influencing outer layer and middle layer since internal layer fusing point is minimum, it is total that fast sealing connects two multilayers Extruded film, it is such two PP TYPE good connecting effects, efficient.

In inner-sealing seamless transfusion bag built in production, the 1 inner wall heat seal of combined cap and Sheng liquid bag body in liquid holding space The sterile sealing area inside liquid bag body 1 built in composition one is being contained in sealing.Sterile sealing area is infusion mechanism, there is infusion to face Bed dosing allotment, syringe needle for transfusion device puncture connection and leakproof medicine function.

3 back side of outer cover of built-in combined cap 2, which is connected with, prevents syringe needle for transfusion device from surprisingly being pierced through 1 other positions of liquid bag body are contained The anti-puncturing mechanism 5 of function, anti-puncturing mechanism 5 is corresponding with 3 bottom shape of outer cover, and the opening of anti-puncturing mechanism 5 is set in outer cover 3 Side.When infusion, syringe needle pierces through rubber pad 4 and outer cover 3, and syringe needle jacks up anti-puncturing mechanism 5 later, is set on anti-puncturing mechanism 5 There are drug-leaking hole, liquid to enter by drug-leaking hole and enter woven hose, the shape and outer cover of anti-puncturing mechanism 5 in the infusion hole on syringe needle 3 shapes correspond to, and anti-puncturing mechanism 5 is set in 3 outside of outer cover.

3 outside of outer cover is equipped with locating slot 11, and the positioning protrusion 12 that 5 opening of anti-puncturing mechanism is equipped with is buckled in the positioning of outer cover In slot 11, fall off when can prevent anti-puncturing mechanism 5 from being jacked up in this way.

Post the sterility protection film 6 for being easy to be fallen with tearing in 1 surface of Sheng liquid bag body on the outside of combined cap.Nothing is torn in infusion Bacterium protective film 6, it is also sterile that can protect in this way on the outside of sterile sealing area, and liquid can be protected safe.

Outer cover 3 in the present embodiment is set there are one pit 7.Rubber pad 4 is set in pit 7, can be prevented from making with fixed needle Used time syringe needle falls off and prevents liquid from leaking out.The thickness of rubber pad 4 is less than or equal to the depth dimensions of pit 7.Such rubber Pad 4 can be placed in pit 7, avoided rubber pad 4 from interfering and connect inside outer cover 3 and infusion bag, outer cover 3 and anti-puncturing mechanism 5 The inertia non-PVC material that will not pollute liquid for meeting medicine inspection safety detection is made, and inert non-PVC material may be used poly- third Alkene (PP) or polyethylene (PE), such outer cover 3 is contacted with liquid will not pollute liquid.

Non-PVC material includes polypropylene (PP), polyethylene (PE), polyamide (PA) and a variety of elastic materials (SEBS) etc..

In some embodiments, the open edge sealing heat seal of outer cover 3 is connected to the inner wall for containing liquid bag body 1, and outer cover 3 connects It is connected to and contains at 1 inside proximal edge of liquid bag body.The edge for containing 1 sealing of liquid bag body is equipped with hanging bag hole 8, and hanging bag hole 8 is generally set to outer The diagonal angle of lid 3.

Outer cover 3 and rubber pad 4 are set to inside built-in inner-sealing seamless transfusion bag, and finished product is before using all in seal shape State, this reduces the contaminated probabilities of liquid

Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, it is not departing from Under the premise of the invention is conceived, various modifications and improvements can be made, these are all within the scope of protection of the present invention.

Claims (6)

1. Inner-sealing seamless transfusion bag built in 1., which is characterized in that including containing liquid bag body and built-in combined cap, the built-in combination It is covered on and contains the internal portion of liquid bag, the built-in combined cap is composed of outer cover and rubber pad, described to be covered with groove outside, institute State rubber pad and be embedded in inside grooves, the upper surface of the rubber pad is affixed on bottom portion of groove, the opening of the outer cover from bag from inside to outside It is sealedly attached to the inner wall of bag body, the rubber pad is equipped with pit and annular groove, and the opposite annular groove is correspondingly arranged at rubber The upper and lower ends face of pad.
2. 2. built-in inner-sealing seamless transfusion bag according to claim 1, which is characterized in that the Sheng liquid bag body is two The ring packing of a PP TYPE edge is made, and the PP TYPE includes at least outer layer, middle layer and internal layer from outside to inside, The fusing point of the PP TYPE from outside to inside successively decreases.
3. 3. built-in inner-sealing seamless transfusion bag according to claim 2, which is characterized in that the combined cap and Sheng liquid The internal wall heat seal of bag, constitutes the sterile sealing area built in one between combined cap and Sheng liquid bag body.
4. 4. built-in inner-sealing seamless transfusion bag according to claim 3, which is characterized in that outside the built-in combined cap The lid back side is connected with anti-puncturing mechanism, and the anti-puncturing mechanism is sheathed on the outside of cover bottom portion, the side wall of the anti-puncturing mechanism It is equipped with drug-leaking hole with bottom, positioning protrusion is equipped at anti-puncture train openings, the outer cover side-wall outer side is equipped with locating slot, positioning Protrusion is buckled in the locating slot of outer cover.
5. 5. built-in inner-sealing seamless transfusion bag according to claim 4, which is characterized in that outside the Sheng liquid bag body Post sterility protection film.
6. 6. built-in inner-sealing seamless transfusion bag according to claim 5, which is characterized in that the sterility protection film patch On the outside of combined cap.