CN204501654U - A kind of transfusion bag accessory - Google Patents

Abstract

The utility model discloses a kind of transfusion bag accessory, comprise accessory body and the pad being arranged on its tube chamber top, wherein, the upper port of accessory body is fixedly welded with trim ring, this trim ring comprises the platen for welding and the presser feet for press-fiting pad, and presser feet is arranged at the bottom of platen, after described platen fixedly welds with the upper port of described accessory body, presser feet stretches into tube chamber inside and is fitted on the upper surface of pad, press-fits setting-up piece.The transfusion bag accessory that this utility model relates to can realize dosing and infusion function.Its integrative-structure, be beneficial to without the need to welded seal lid is to realize the sealing to body again when transfusion is produced, minimizing welding sequence, reduces the risk because secondary welding pollutes medicinal liquid; By arranging trim ring on pad, the installation fastness of effective reinforced gasket, effectively can avoid the situation occurring leakage in use procedure because pad loosens.This product structure design is simple, and light quality, occupies larger cost advantage.

Description

A kind of transfusion bag accessory

Technical field

This utility model relates to medical infusion packing technique field, is specifically related to a kind of transfusion bag accessory.

Background technology

The infusion bag fitting generally used in the market comprises pipeline and the duct sealing device of turnover liquid, and its duct sealing device seals with the pipeline of turnover liquid usually through the mode of welding.Its shortcoming is, transfusion producer needs first by the pipeline of this turnover liquid and transfusion bag seam when packing medicinal liquid, after liquid drug, then duct sealing device and pipeline is carried out heal seal.Through the mode of production of twice seam process in this medicinal liquid packaging, higher to seam technological requirement on the one hand, add production cost; Another aspect is easy causes secondary pollution to medicinal liquid.

Meanwhile, conveniently fixing in needle body puncture, duct sealing device is generally all provided with pad, because pad is the closure part that the mode extruded by circumference is arranged on pipeline, easily occurs loosening.Especially, in infusion process, because transfusion needle body is directly fixed on pad, can there is the phenomenon of rocking in needle body, this just extremely easily causes loosening of pad and produces the situation generation of leakage along with the activity of human body.

Utility model content

For prior art Problems existing, the purpose of this utility model is to provide a kind of structure through improving, can reducing welding sequence when transfusion is produced, and ensures the safety of medicinal liquid, the transfusion bag accessory of the phenomenon of leakage occurs when can effectively prevent from infusing simultaneously.

For achieving the above object; a kind of transfusion bag accessory of this utility model; comprise accessory body and the pad being arranged on its tube chamber top; wherein, the upper port of accessory body is fixedly welded with trim ring, this trim ring comprises the platen for welding and the presser feet for press-fiting pad; presser feet is arranged at the bottom of platen; after described platen fixedly welds with the upper port of described accessory body, presser feet stretches into tube chamber inside and is fitted on the upper surface of pad, press-fits setting-up piece; The bottom of described accessory body is the link connecting transfusion bag, and the side of this link is smooth flat, and all arranges empennage in the both sides of side.

Further, described presser feet is presser feet ring or several presser feet posts, presser feet ring or several presser feet posts and described platen all one-body molded, the center of described platen is provided with through hole; The external diameter of described presser feet ring is less than the internal diameter of accessory body upper port; Several presser feet posts are arranged evenly along a circumferencial direction uniform intervals, and the integrally formed structure external diameter of several presser feet posts is less than the internal diameter of accessory body upper port.

Further, described accessory body comprises the needle body conduit and connection pipe body that are made into integration, hollow and the profile of needle body conduit are cylindrical structural, the hollow of connection pipe body and profile are cylindrical, prismatic cylinder, flat prismatic cylinder or similar round column structure any collocation, and the cross-sectional area of connection pipe body hollow is more than or equal to the cross-sectional area of needle body conduit hollow; The intersection of needle body conduit and connection pipe body is provided with the step surface that the lower surface for described pad supports.

Further, the upper end of described needle body conduit is provided with welding ring, and described platen and welding ring are carried out seam and fixed.

Further, the upper surface of described platen is provided with the easily tore film for sealed port, and this easily tore film has at least one end to extend to the outside of described platen upper surface, forms pulling-on piece.

Further, be provided with seal dissepiment between described needle body conduit and connection pipe body, sealing barrier film is planar structure, and thickness is 0.4-0.8mm.

Further, described pad central part is provided with the depression being convenient to insert needle body.

Further, the bottom of described connection pipe body is directly as the link of transfusion bag.

Further, the outer wall of described needle body conduit is provided with the protruding chain-wales that several are symmetrical between two, the outer wall of described needle body conduit is provided with 2-8 protruding chain-wales.

The transfusion bag accessory that this utility model relates to can realize dosing and infusion function.Its integrative-structure, to be beneficial to when transfusion is produced without the need to welded seal lid again to realize the sealing to body, to decrease welding sequence, reduce the risk because secondary welding pollutes medicinal liquid; By arranging trim ring on pad, be convenient to the seam of easily tore film, can the installation fastness of effective reinforced gasket, avoid the situation occurring leakage in use procedure because pad loosens.This product structure design is simple, and light quality, occupies larger cost advantage.

Accompanying drawing explanation

Fig. 1 is schematic perspective view of the present utility model;

Fig. 2 is the cross-sectional view of accessory body;

Fig. 3 is the cross-sectional view of this utility model transfusion bag accessory;

Fig. 4 is the cross-sectional view of trim ring;

Fig. 5 be in Fig. 4 trim ring look up structural representation;

Fig. 6 is the cross-sectional view of another trim ring;

Fig. 7 be in Fig. 6 trim ring look up structural representation;

Wherein Reference numeral is: 1 is trim ring, and 2 is needle body conduits, and 3 is connection pipe body, 4 is seal dissepiments, and 5 is pads, and 6 is platens, 7 is step surfaces, and 8 is presser feet rings, and 9 is easily tore films, 10 is welding ring, and 11 is links, and 12 is sides, 13 is empennages, 14 is delivery holes, and 15 is protruding chain-wales, and 16 is presser feet posts.

Detailed description of the invention

Below, with reference to accompanying drawing, this utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.But this utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.But, these embodiments are provided, thus make this utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.

For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", for illustration of the element of shown in figure or the feature relation relative to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise device different azimuth in use or operation.Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower both orientation.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and space used here illustrates relatively can correspondingly explain.

embodiment 1

As shown in Figures 1 to 4; a kind of transfusion bag accessory of this utility model; comprise accessory body, pad 5, trim ring 1 and easily tore film 9; accessory body comprises the needle body conduit 2 and connection pipe body 3 that are made into integration; basic structure consists of: pad 5 snaps in needle body conduit 2; trim ring 1 carries out seam to be fixed with it, and easily tore film 9 is welded on trim ring 1 and plays seal protection effect.

Wherein, pad 5 is arranged in needle body conduit 2, and the external diameter of pad 5 is slightly larger than the internal diameter of needle body with conduit 2, and the mode that pad 5 extrudes with circumference is tentatively fixed in needle body conduit 2.

Trim ring 1 comprises the platen 6 for welding and the presser feet ring 8 for press-fiting pad, presser feet ring 8 is arranged at the bottom of platen 6, platen 6 and presser feet ring 8 one-body molded, the center of platen 6 is provided with the through hole passed for needle body, the external diameter of presser feet ring 8 is slightly less than the internal diameter of needle body conduit 2, and when being convenient to automatic Composition, trim ring can combine with needle body conduit 2 smoothly.The upper end of needle body conduit 2 is provided with welding ring 10, the intersection of needle body conduit 2 and connection pipe body 3 is provided with the step surface 7 that the lower surface for pad 5 supports, platen 6 and welding ring 10 carry out seam fixing after, presser feet 8 is by inner for the tube chamber extending into needle body conduit 2, and be fitted on the upper surface of pad 5, pad 5 is fitted between its lower surface and step surface 7 by presser feet 8, and then press-fits setting-up piece 5 further.Play extruding by the 8 pairs of pads 5 of presser feet ring on trim ring 1 fixing, leakage can not be produced because of loosening of pad 5 in the process of transfusion.

The upper surface of platen 6 is provided with easily tore film 9, and easily tore film 9 is by the upper surface opening sealing of platen 6.Easily tore film 9 polypropylene granules blowing forms, and shape is droplet-shaped, and it has at least one end to extend to the outside of platen 6 upper surface, forms pulling-on piece, so that tear.

Be provided with seal dissepiment 4 between needle body conduit 2 and connection pipe body 3, seal dissepiment 4 is planar structure, and thickness is 0.4-0.8mm.For the ease of puncture, the central part of pad 5 is provided with the depression being convenient to insert needle body.

The bottom of connection pipe body 3 is directly as the link 11 of transfusion bag, and the side 12 of link 11 is smooth flat.The bottom of connection pipe body 3 is provided with delivery hole 14, delivery hole 14 communicates with connection pipe body 3 hollow.The cross section of delivery hole 14 equals connection pipe body 3 hollow cross-section, and two sides 12 of link 11 are the solder side for being connected with transfusion bag.

In order to make link 11 better with the welding effect of transfusion bag thin film, all arrange empennage 13 in the both sides of two sides 12 of link 11, empennage 13 can also be welded and fixed with transfusion bag further, improves the welding effect of link 11 and transfusion bag thin film.

In the present embodiment, hollow and the profile of needle body conduit 2 are cylindrical structural, and the hollow of connection pipe body 3 and profile are flat prismatic column body structure, and the cross-sectional area of connection pipe body 3 hollow is less than the cross-sectional area of needle body conduit 2 hollow.

Needle body conduit 2 outer wall is provided with the protruding chain-wales 15 that several are symmetrical between two, on needle body conduit 2 outer wall, is generally provided with 2-8 protruding chain-wales 15, in the present embodiment, needle body conduit 2 outer wall is provided with 2 protruding chain-wales 15.The protruding chain-wales 15 that needle body conduit 2 outer wall is arranged plays and is similar to " handle " effect, on the one hand when welding with transfusion bag, be convenient to manipulator clamping, on the other hand when dosing or transfusion operation, protruding chain-wales 15 makes accessory body not easily from landing operator's hands, controls needle body conduit 2 better.

When needs by this utility model transfusion bag accessory and transfusion bag is supporting install time, link 11 is loaded in transfusion bag, adds the sealing of thermal weld realization and bag with transfusion bag.Before dosing or transfusion, easily tore film 9 of tearing, thrusts needle body conduit 2 by syringe needle, and then thrusts pad 5 and seal dissepiment 4, carries out dosing or transfusion use.

embodiment 2

Agent structure is same as embodiment 1, and its difference is: the profile of connection pipe body 3 and hollow can be the combination in any of cylindrical, prismatic cylinder or similar round column structure.And the cross-sectional area of connection pipe body 3 hollow is more than or equal to the cross-sectional area of needle body conduit 2 hollow.

embodiment 3

Agent structure is same as embodiment 1, and its difference is: easily tore film 9 is " racket " type structure or " ellipse " type structure.

embodiment 4

Agent structure is same as embodiment 1, and its difference is: the cross section of delivery hole 14 is greater than connection pipe body 3 hollow cross-section.

embodiment 5

Agent structure is same as embodiment 1, and its difference is: side 12 is smooth flat.

embodiment 6

As shown in Figure 6, Figure 7, agent structure is same as embodiment 1, its difference is: trim ring 1 comprises platen 6 and several presser feet posts 16, several presser feet posts 16 are arranged at the bottom of platen 6, platen 6 and presser feet post 16 one-body molded, and several presser feet posts 16 are arranged evenly along a circumferencial direction uniform intervals.The center of platen 6 is provided with the through hole passed for needle body, and the integrally formed structure external diameter of several presser feet posts 16 is slightly less than the internal diameter of needle body conduit 2, and when being convenient to automatic Composition, trim ring can combine with needle body conduit 2 smoothly.Adopt several presser feet posts 16 as presser feet, can material be saved, weight reduction, cost-saving.Presser feet post 16 can adopt the various structures forms such as cylinder, square column, trapezoidal column.

Above-mentioned example is just for illustration of this utility model, and embodiment of the present utility model is not limited to these examples, and what those skilled in the art made meets the various detailed description of the invention of this utility model thought all within protection domain of the present utility model.

Claims (10)

1. a transfusion bag accessory; comprise accessory body and the pad being arranged on its tube chamber top; it is characterized in that; the upper port of accessory body is fixedly welded with trim ring; this trim ring comprises the platen for welding and the presser feet for press-fiting pad, and presser feet is arranged at the bottom of platen, after described platen fixedly welds with the upper port of described accessory body; presser feet stretches into tube chamber inside and is fitted on the upper surface of pad, press-fits setting-up piece; The bottom of described accessory body is the link connecting transfusion bag, and the side of this link is smooth flat, and all arranges empennage in the both sides of side.

2. transfusion bag accessory as claimed in claim 1, it is characterized in that, described presser feet is presser feet ring or several presser feet posts, presser feet ring or several presser feet posts and described platen all one-body molded, the center of described platen is provided with through hole; The external diameter of described presser feet ring is less than the internal diameter of accessory body upper port; Several presser feet posts are arranged evenly along a circumferencial direction uniform intervals, and the integrally formed structure external diameter of several presser feet posts is less than the internal diameter of accessory body upper port.

3. transfusion bag accessory as claimed in claim 1, it is characterized in that, described accessory body comprises the needle body conduit and connection pipe body that are made into integration, hollow and the profile of needle body conduit are cylindrical structural, the hollow of connection pipe body and profile are cylindrical, prismatic cylinder, flat prismatic cylinder or similar round column structure any collocation, and the cross-sectional area of connection pipe body hollow is more than or equal to the cross-sectional area of needle body conduit hollow; The intersection of needle body conduit and connection pipe body is provided with the step surface that the lower surface for described pad supports.

4. transfusion bag accessory as claimed in claim 3, it is characterized in that, the upper end of described needle body conduit is provided with welding ring, and described platen and welding ring are carried out seam and fixed.

5. transfusion bag accessory as claimed in claim 1, it is characterized in that, the upper surface of described platen is provided with the easily tore film for sealed port, and this easily tore film has at least one end to extend to the outside of described platen upper surface, forms pulling-on piece.

6. transfusion bag accessory as claimed in claim 3, it is characterized in that, be provided with seal dissepiment between described needle body conduit and connection pipe body, sealing barrier film is planar structure, and thickness is 0.4-0.8mm.

7. transfusion bag accessory as claimed in claim 1, is characterized in that, described pad central part is provided with the depression being convenient to insert needle body.

8. transfusion bag accessory as claimed in claim 3, it is characterized in that, the bottom of described connection pipe body is directly as the link of transfusion bag.

9. transfusion bag accessory as claimed in claim 3, is characterized in that, the outer wall of described needle body conduit is provided with the protruding chain-wales that several are symmetrical between two.

10. transfusion bag accessory as claimed in claim 9, is characterized in that, the outer wall of described needle body conduit is provided with 2-8 described protruding chain-wales.