CN2604179Y

CN2604179Y - Infusion bag opener

Info

Publication number: CN2604179Y
Application number: CN 03243041
Authority: CN
Inventors: 何国强
Original assignee: Renolit Hansen Packaging Tech Bj Ltd
Current assignee: Renolit Hansen Packaging Tech Bj Ltd
Priority date: 2003-03-31
Filing date: 2003-03-31
Publication date: 2004-02-25
Anticipated expiration: 2013-03-31

Abstract

An infusion bag interface includes a body which is provided with a vertical via hole, one end of the body is a connection end which is inserted into the infusion bag and is connected and sealed with the infusion bag by fusion, the other end of the body is an exposed exit end, the connection end is provided with a fusion welding transition wing part, the bottom and the two lateral surfaces are provided with an arc transition connection parts. The infusion bag with the structure can effectively reduce and evenly avoid the phenomena of bag breaking and leakage caused by the collision, falling and extrusion between the infusion bags by replying on the arc transition connection parts arranged on the bottom and the two lateral surfaces of the interface; when connected by fusion, the enlarged arc transition design of the two ends bottoms of the fusion welding transition wing part can avoid the circumstance of tip extruding at the melting process of heating, pressuring, at the same time, also has the described effect thus to avoid the problems of bag breaking and leakage which probably occur during the process of producing, detecting at the pharmaceutical factory, transporting and using.

Description

The transfusion bag interface

Technical field

This utility model relates to a kind of transfusion bag interface, particularly a kind of transfusion bag interface that is connected between transfusion bag bag and the transfusion bag seal cover.

Background technology

Plastic infusion bag, transportation in light weight with it at present, automatic retraction does not need air inlet, is difficult for causing advantage such as cross infection when using easy to carry, transfusion, and obtained clinically using widely, their structure generally is the interface of end hot melt sealing at bag, by the port of export sealing of a seal cover with this interface.A traditional interface normally cross section is the circular and middle body that has through hole, like this in the bag process, make plastic foil with the bonded position of body be stretched very thin, and forming the right angle joint line in the both sides of body port, the shortcoming of this structure is that the weld at interface and bag is easy to produce seepage.

In addition, also have a kind of transfusion bag interface, the link of itself and transfusion bag welding is provided with welding transition alar part, thereby make that plastic foil is stretched seldom in the bag process, the joint line of both sides is a plane substantially, does not have the welding weakness, has avoided the transfusion bag seepage in the fusion process.But this kind structure is because the bottom and the junction, side of its welding transition alar part are level and smooth inadequately, its corner easily causes with film welding heating, pressurization the time sharp-pointed giving prominence to being taken place and causes the breakage of film material, or in pharmaceutical factory production and detection, transportation, easily because of collision, falling broken bag and leakage problems occur.

Summary of the invention

The technical problems to be solved in the utility model is: a kind of transfusion bag interface that can overcome above-mentioned defective is provided, its interface bottom and two sides are with circular-arc natural transition, thereby with the transfusion bag welding time, can avoid the breakage of film material, simultaneously can improve its impact resistance, reduce and avoid owing to collision, fall transfusion bag broken bag and seepage take place.

Technical solution of the present utility model is: a kind of transfusion bag interface, it comprises a body, body is provided with a longitudinal hole, one end of described body is to stretch into the transfusion bag and the link of frit seal with it, the other end of body is the port of export that exposes, described link have stretch out can with the welding transition alar part of transfusion bag smooth connection, wherein, the bottom of described welding transition alar part and two sides have circular-arc transition connecting portion.

Aforesaid transfusion bag interface, the bottom at described welding transition alar part both ends and above-mentioned link bottom have circular-arc transition connecting portion.

Aforesaid transfusion bag interface, the radius of described circular-arc transition connecting portion are 1.0～5.0mm.

Aforesaid transfusion bag interface, the horizontal cross-section outline of two welding transition alar parts of described body link are fusiformis or the parallel ship shape of corresponding sides.

Aforesaid transfusion bag interface, the two sides of the welding transition alar part of described body link all are provided with the welding rib.

Aforesaid transfusion bag interface is provided with symmetric positioning bar on two welding transition alar part tops of described body link.

Aforesaid transfusion bag interface, described through hole are bellmouth.

Aforesaid transfusion bag interface, the both ends of welding transition alar part are flat end.

Adopt the transfusion bag interface of said structure, nationality can effectively reduce even avoid owing to colliding, fall or pushing broken bag and the seepage phenomenon that occurs by in its interface bottom and the arc transition connecting portion that two sides are provided with; Most advanced and sophisticated outstanding situation takes place in the melting process that the increasing arc transition design of its bottom, welding transition alar part two ends can be avoided heating when welding, pressurizeing, simultaneously, also have aforementioned effect equally, thereby avoided the broken bag and the leakage problems that in pharmaceutical factory production and detection, transportation and use, may occur.

Description of drawings

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

Fig. 2 is a side-looking half sectional view of the present utility model;

Fig. 3 is an elevational schematic view of the present utility model;

Fig. 4 is the elevational schematic view of another embodiment of this utility model;

Fig. 5 is the elevational schematic view of this utility model the 3rd embodiment;

Fig. 6 is the sketch map after this utility model and transfusion bag and the seal cover combination.

The specific embodiment

See also Fig. 1, Fig. 2, shown in Figure 3, the transfusion bag interface comprises a body A, and body A is provided with a through hole 2, and the end of described body A is a link 8, and this link 8 stretches into transfusion bag 11 and frit seal with it, and its other end is the port of export 1; Described body link 8 have stretch out can with the welding transition alar part 4 of transfusion bag smooth connection, the both ends 9 of welding transition alar part 4 are flat end, as shown in Figure 2, the two sides of described welding transition alar part 4 and bottom 12 have circular-arc natural transition connecting portion 20, and promptly bottom and the bottom margin at welding transition alar part 4 and transfusion bag link is the circular-arc structure that seamlessly transits.The radius of described circular arc is preferably between 1.0～5.0mm, and the breakage of film material in the time of so can preventing interface and film welding can effectively reduce even avoid simultaneously owing to the broken bag and the seepage phenomenon of colliding, falling and taking place.

As shown in Figure 1, the bottom at described welding transition alar part 4 both ends 9 and above-mentioned link bottom 12 have bigger circular-arc natural transition connecting portion 10, and the radius of described circular arc is preferably between 1.0～5.0mm.This kind can avoid in the melting process of weld heating, pressurization taking place most advanced and sophisticated outstanding situation than the orthodrome structure, and can avoid after this produce, use and detection, transportation in the broken bag and the leakage problems that may occur.

Described welding transition alar part can adopt multiple structure, and as shown in Figure 3, the horizontal cross-section outline of two welding transition alar parts 4 of described body A link is the ship shape of similar parallelogram; As shown in Figure 4, it is another embodiment of the present utility model, wherein, the horizontal cross-section outline of two welding transition alar parts 4 of described body A link can also be fusiformis, and the bottom, two ends of welding transition alar part 4 and bottom 12 have circular-arc natural transition connecting portion 10 with previous embodiments.As shown in Figure 5, it is the 3rd embodiment of the present utility model, and wherein, the shape of two welding transition alar parts 4 also can be on the basis of Fig. 4 fusiformis, and the side concaves slightly, forms level and smooth curve.Need to prove that the shape of welding transition alar part is not limited to above three kinds, so long as can reach can with the transfusion bag smooth connection, with the welding joint line of bag substantially the structure on a plane all can be adopted.

The two sides of the welding transition alar part 4 of described body link all are provided with the welding rib 5 of one or more, and its concrete number is decided according to the height of welding transition alar part 4 and the width of welding rib 5, is three in the present embodiment.

Two welding transition alar parts, 4 tops at described body A link are provided with symmetric two positioning bars 3, can prevent that in the bag process interface arrangement from rotating on anchor clamps, plays localized effect.

As shown in Figure 2, for making things convenient for liquid drug, the partial through holes 6 that the through hole 2 in the described body A is positioned at the port of export can be bellmouth.

As shown in Figure 6, the port of export 1 of described body A also frit seal has a seal cover, and its link 8 stretches into transfusion bag bag 11 and frit seal with it.

Though this utility model discloses with preferred embodiment; but it is not in order to limit this utility model; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present utility model and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that this utility model scope of patent protection is done.

Claims

1, a kind of transfusion bag interface, it comprises a body, body is provided with a longitudinal hole, one end of described body is to stretch into the transfusion bag and the link of frit seal with it, the other end of body is the port of export that exposes, described link have stretch out can with the welding transition alar part of transfusion bag smooth connection, it is characterized in that: the bottom of described welding transition alar part and two sides have circular-arc transition connecting portion.

2, transfusion bag interface according to claim 1 is characterized in that: the bottom at described welding transition alar part both ends and above-mentioned link bottom have circular-arc transition connecting portion.

3, transfusion bag interface according to claim 1 and 2 is characterized in that: the radius of described circular-arc transition connecting portion is 1.0～5.0mm.

4, transfusion bag interface according to claim 1 and 2 is characterized in that: the horizontal cross-section outline of two welding transition alar parts of described body link is fusiformis or the parallel ship shape of corresponding sides.

5, transfusion bag interface according to claim 1 and 2 is characterized in that: the two sides of the welding transition alar part of described body link all are provided with the welding rib.

6, transfusion bag interface according to claim 1 and 2 is characterized in that: two welding transition alar part tops at described body link are provided with symmetric positioning bar.

7, transfusion bag interface according to claim 1 and 2 is characterized in that: described through hole is a bellmouth.

8, transfusion bag interface according to claim 1 and 2 is characterized in that: the both ends of welding transition alar part are flat end.