CN201823064U - Infusion bag accessory adopting saddle-shaped tube body seat with pull ring type infusion needle guide tube - Google Patents
Infusion bag accessory adopting saddle-shaped tube body seat with pull ring type infusion needle guide tube Download PDFInfo
- Publication number
- CN201823064U CN201823064U CN201020569789XU CN201020569789U CN201823064U CN 201823064 U CN201823064 U CN 201823064U CN 201020569789X U CN201020569789X U CN 201020569789XU CN 201020569789 U CN201020569789 U CN 201020569789U CN 201823064 U CN201823064 U CN 201823064U
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- China
- Prior art keywords
- ring
- needle guide
- guide tube
- infusion needle
- draw
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- Expired - Lifetime
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- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an infusion bag accessory adopting a saddle-shaped tube body seat with a pull ring type infusion needle guide tube; and the infusion bag accessory is an infusion tube that is capable of being welded with an infusion bag with a good sealing effect, having a connecting part with low probability of damage, and is provided with a ring-shaped easy-pull cover. A welded ring is arranged at one end of the infusion needle guide tube, a hole for connecting the saddle-shaped tube body seat is formed at the other end of the infusion needle guide tube, and the infusion needle guide tube, the welded ring and the saddle-shaped tube body seat adopt an integral structure formed by one-step injection molding; and a pull ring cover is further included and formed in a way that a pull cover, a gasket and a concave gasket ring with a connecting tube are superposed and connected in sequence, and the concave form gasket ring is connected with the welded ring of the infusion needle guide tube in a sealed way. The infusion bag accessory has the advantages as follows: due to the saddle-shaped tube body seat, the infusion bag accessory and the thin film of the infusion bag achieve a large connection area and are firmly connected with each other, and the connection position has low probability of being bent and damaged; the infusion bag accessory only needs a hot seal welding procedure, has low probability of being contaminated before and after the composition of the infusion bag, and can be excellently sealed together with the thin film of the infusion bag; and the manufacturing cost is low.
Description
Technical field
This utility model belongs to the medical infusion bags accessory, particularly a kind of can with the transfusion bag welded closure good, connecting portion is not fragile, tube for transfusion that annular easy-open lid is arranged.
Background technology
The accessory of existing transfusion bag comprises body, body seat (interface) and three parts of seal cover, earlier body seat and plastic sheeting heat seal is welded when the production transfusion bag, seal cover and the heat seal of body seat is welded after pouring into medicinal liquid again.This manufacture method has increased welding sequence one, must increase welding post on bag making, filling and sealing machine, thereby increase the device fabrication cost, and easily pollute when the production transfusion bag.Existing interface without the body seat, the welding position of interface and two thin film of transfusion bag are prone to Lou weldering and poor sealing.
Summary of the invention
The purpose of this utility model provides a kind of when being used to make transfusion bag, as long as the transfusion bag accessory is one welding sequence, form after the transfusion bag contaminated probability low, with bag the soft or hard structural transition is arranged and connecting portion is not fragile, with the good transfusion bag accessory of transfusion bag diaphragm seal.
Structure of the present utility model is:
The transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube comprises an infusion needle guide tube 7, and it is characterized in that: an end of infusion needle guide tube 7 has welding ring 12, and the overall diameter of welding ring 12 is greater than the overall diameter of infusion needle guide tube 7; Infusion needle guide tube 7 another port connect the hole of shape of a saddle body seat 15, and shape of a saddle body seat 15 is soft thin slices that there is a hole centre; Infusion needle guide tube 7, welding ring 12 and shape of a saddle body seat 15 are the integrative-structure of an injection molded;
Also comprise a Pull ring cover, Pull ring cover be draw cover 21, pad 22, matrix pad circle 23 be formed by connecting according to order is superimposed, matrix pad circle 23 is connected with the welding ring 12 of infusion needle guide tube 7; Draw and cover 21, the periphery of pad 22, matrix pad circle 23, welding ring 12 all is the tight embedded structure of recessed circle and protruding circle;
Drawing and cover 21 and comprise matrix lid 21-1 and draw ring 21-2 two parts, is easy-to-draw thin slice 21-3 in the middle of the matrix lid 21-1, and easy-to-draw thin slice 21-3 periphery is provided with easy-to-draw impression, and draw ring 21-2 is connected above the easy-to-draw thin slice 21-3;
In the middle of the pad 22 is inclined to one side shape cylinder, i.e. gasket body 22-2, and pad 22 peripheral cross sections are " worker " font double flute ring 22-1;
In the middle of the matrix pad circle 23 is sealing sheet 23-1, concavo-convex all around chimeric ring.
Centre chimeric " worker " the font double flute ring 22-1 of the periphery of matrix pad circle 23 and matrix lid 21-1, matrix pad circle 23 and the middle chimeric gasket body 22-2 of part that leaves a blank of matrix lid 21-1, close gasket body 22-2 above be easy-to-draw thin slice 21-3, close gasket body 22-2 below be sealing sheet 23-1.
The thickness of easy-to-draw thin slice 21-3 is 0.2-0.5mm.
The thickness of sealing sheet 23-1 is 0.1-0.3mm.
The edge of shape of a saddle body seat 15 soft thin slices connects position 8 for the sheet symphysis, and the thickness that the sheet symphysis connects position 8 is thinner than the thickness at middle porose position, seamlessly transits between thick position and the thin position.
The transfusion bag accessory of preparation shape of a saddle body seat band draw-ring type infusion needle guide tube embeds the gasket body 22-2 of pad 22 centre of matrix pad circle 23 earlier, " worker " font double flute ring 22-1 of pad 22 and matrix pad circle 23 peripheral chimeric; To draw again and cover 21 matrix lid 21-1 and the peripheral heat seal of matrix pad circle 23 is tightly connected, the peripheral chimeric of matrix pad circle 23 another sides and be welded on the welding ring 12 of infusion needle guide tube 7, promptly obtain the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube at last.
The welding ring 12 of infusion needle guide tube 7, infusion needle guide tube 7 one ends and 15 3 structures of shape of a saddle body seat are conjuncted structures of once-forming, a port edge of infusion needle guide tube 7 stretches out into the welding ring 12 of infusion needle guide tube 7, edge, infusion needle guide tube 7 another port stretches out into diaphragm, and this diaphragm is a shape of a saddle body seat 15.
The interstitial hole of shape of a saddle body seat 15 communicates with infusion needle guide tube 7, and empty diameter is identical in both.Shape of a saddle body seat 15 is diaphragms, and to be mid portion be connected with rigid infusion needle guide tube 7 in effect, and the edge is connected with soft transfusion bag.Shape of a saddle body seat 15 shapes sizes aspect has increased with transfusion bag than infusion needle guide tube 7 and has been connected area, and the minimizing connecting portion is stressed, reduces the probability that connecting portion is damaged by pulling force; The thickness aspect of shape of a saddle body seat 15 is as the thick and hard infusion needle guide tube 7 transitional link with hard, soft two kinds of materials of thin and soft transfusion bag thin film.As seen shape of a saddle body seat 15 has increases the joint face integration and looses that pulling force prevents to damage and hard, the soft two kinds of materials of transition prevent that bending from damaging these two kinds of effects.
The thickness of preferred easy-to-draw thin slice 21-3 is 0.3mm.
The thickness of preferred sealing sheet 23-1 is 0.2mm.
In order to make shape of a saddle body seat 15 better with the welding effect of transfusion bag thin film, the edge of shape of a saddle body seat 15 soft thin slices connects position 8 for the sheet symphysis, the thickness that the sheet symphysis connects position 8 is thinner than the thickness at middle porose position, seamlessly transits between thick position and the thin position.The shape of a saddle body seat 15 soft thin slices of this thick middle thin edge seamlessly transit the elastic reaction of generation with the thickness of soft thin slice itself, have solved hard infusion needle guide tube 7 and softish transfusion bag thin film in the flimsy problem of connecting portion.
The thickness of shape of a saddle body seat 15 described in the utility model at porose position, centre is 0.2-0.5mm, and the thickness that connects the edge at position 8 in the sheet symphysis is 0.1-0.2mm.
Advantage of the present utility model: it is wide and be connected firmly to be connected area between this transfusion bag accessory and the transfusion bag thin film, and it all is because the effect of the transitional elastomeric element shape of a saddle body seat of transfusion bag accessory is arranged that link position is difficult for being damaged by bending.Shape of a saddle body seat can be good with the transfusion bag diaphragm seal, prevents leakage body between transfusion bag and the body seat.
The integral body that welding ring and three structures of shape of a saddle body seat of infusion needle guide tube, infusion needle guide tube one end are made as an injection molded, when using this utility model to make transfusion bag, can reduce one draw-ring type infusion needle guide tube and the welding sequence that is connected body, form in the transfusion bag operation, reduced the contaminated probability of medicinal liquid.
Water can not infiltrate fully when sterilization, can guarantee after the sterilization that the pad outer surface is in aseptic condition all the time, when giving patient infusion, need not the outer surface of pad be carried out disinfection before injecting in transfusion bag or taking out medicinal liquid.When being used to make transfusion bag, this transfusion bag accessory needs only the operation that two welding ring are carried out the heat seal welding one, and it is low to form the forward and backward contaminated probability of transfusion bag, and with transfusion bag thin film energy good seal, production cost is low.
Description of drawings
Fig. 1 is the three-dimensional assembly structure figure of each assembly of the present utility model;
Fig. 2 is each assembly section assembly structure figure of the present utility model;
Fig. 3 is a sectional structure chart of the present utility model;
7 is infusion needle guide tubes, the 8th among the figure, and the sheet symphysis connects position, the 12nd, welding ring, the 15th, and shape of a saddle body seat, the 21st, drawing lid, 21-1 is that matrix lid, 21-2 are that draw ring, 21-3 are easy-to-draw thin slices, the 22nd, and pad, 22-1 are that " worker " font double flute ring, 22-2 are gasket body, the 23rd, and matrix pad circle, 23-1 are sealing sheets.
The specific embodiment
Embodiment 1, adorn the transfusion bag accessory of the shape of a saddle body seat band draw-ring type infusion needle guide tube of medicinal liquid more than 1 kilogram
Conjuncted integrative-structure with 15 3 of the welding ring 12 of polypropylene granules single injection-molded infusion needle guide tube 7, infusion needle guide tube 7 one ends and shape of a saddle body seats.A port edge of infusion needle guide tube 7 stretches out into the welding ring 12 of infusion needle guide tube 7, and the outer wall of infusion needle guide tube 7 other ends stretches out into diaphragm, and this diaphragm is a shape of a saddle body seat 15.When making transfusion bag, the sheet symphysis of shape of a saddle body seat 15 is connect position 8 and transfusion bag thin film heat seal welding, connect into the transfusion bag product of medicinal liquid.
With polypropylene granules respectively the injection mo(u)lding Pull ring cover be draw cover 21, matrix pad circle 23.Pull ring cover be draw cover 21, the overall diameter of 23 two parts of matrix pad circle is less than the overall diameter of welding ring 12, the structure of these two parts is: draw and cover 21 and comprise matrix lid 21-1 and draw ring 21-2 two parts, in the middle of the matrix lid 21-1 is easy-to-draw thin slice 21-3, easy-to-draw thin slice 21-3 periphery is provided with easy-to-draw impression, and draw ring 21-2 is connected above the easy-to-draw thin slice 21-3; In the middle of the matrix pad circle 23 is sealing sheet 23-1, concavo-convex all around chimeric ring.
With compression molding pad 22, the structure of pad 22 is: be inclined to one side shape cylinder in the middle of the pad 22, i.e. and gasket body 22-2, pad 22 peripheral cross sections are " worker " font double flute ring 22-1;
The transfusion bag accessory of synthetic shape of a saddle body seat band draw-ring type infusion needle guide tube: earlier the gasket body 22-2 of pad 22 is embedded the centre of matrix pad circle 23, " worker " font double flute ring 22-1 of pad 22 and matrix pad circle 23 peripheral chimeric; To draw again and cover 21 matrix lid 21-1 and the peripheral heat seal of matrix pad circle 23 is tightly connected, the peripheral chimeric of matrix pad circle 23 another sides and be welded on the welding ring 12 of infusion needle guide tube 7, promptly obtain the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube at last.
Infusion needle guide tube 7 length are 15.0mm, and internal diameter is 10.0mm, and wall thickness is 1.0mm.。
The internal diameter of welding ring 12 is 10.0mm, and external diameter is 16.0mm, and thickness is 2.0mm.
Shape of a saddle body seat 15 is 60.0mm for long limit, and wide is 40.0mm, and four angles are arcual rectangle thin slice; The sheet thickness of shape of a saddle body seat 15 interstitial holes is 0.5-0.5mm,, the thickness that connects the edge at position 8 in the sheet symphysis is 0.1-0.2mm.Seamlessly transit between thick middle position and the thin edge position.
When being used to adorn the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube of medicinal liquid more than 1 kilogram, the thickness of easy-to-draw thin slice 21-3 is 0.2-0.5mm.The thickness of sealing sheet 23-1 is 0.1-0.3mm.Embodiment 2, adorn the transfusion bag accessory of the shape of a saddle body seat band draw-ring type infusion needle guide tube of medicinal liquid below 1 kilogram
Structure as embodiment 1, and centre chimeric " worker " the font double flute ring 22-1 of the periphery of matrix pad circle 23 and matrix lid 21-1, matrix pad circle 23 and the middle chimeric gasket body 22-2 of part that leaves a blank of matrix lid 21-1, close gasket body 22-2 above be easy-to-draw thin slice 21-3, close gasket body 22-2 below be sealing sheet 23-1.
When being used to adorn the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube of medicinal liquid more than 1 kilogram, the thickness of easy-to-draw thin slice 21-3 is 0.2-0.5mm.The thickness of sealing sheet 23-1 is 0.1-0.3mm.
The transfusion bag accessory of embodiment 3, oval shape of a saddle body seat band draw-ring type infusion needle guide tube
Agent structure is same as embodiment 1, but shape of a saddle body seat 15 is oval, and oval long limit is 70.0mm, and oval minor face is 45.0mm; The sheet thickness of shape of a saddle body seat 15 interstitial holes is 0.2-0.5mm, and the thickness that connects the edge at position 8 in the sheet symphysis is 0.1-0.2mm.Seamlessly transit between thick middle position and the thin edge position.
Claims (5)
1. the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube, comprise an infusion needle guide tube (7), it is characterized in that: an end of infusion needle guide tube (7) has welding ring (12), and the overall diameter of welding ring (12) is greater than the overall diameter of infusion needle guide tube (7); Infusion needle guide tube (7) another port connects the hole of shape of a saddle body seat (15), and shape of a saddle body seat (15) is the soft thin slice that there is a hole centre; Infusion needle guide tube (7), welding ring (12) and shape of a saddle body seat (15) are the integrative-structure of an injection molded;
Also comprise a Pull ring cover, Pull ring cover is to draw lid (21), pad (22), matrix pad circle (23) to be formed by connecting according to order is superimposed, and matrix pad circle (23) is connected with the welding ring (12) of infusion needle guide tube (7); The periphery that draws lid (21), pad (22), matrix pad circle (23), welding ring (12) all is the closely chimeric of recessed circle and protruding circle;
Drawing lid (21) to comprise matrix lid (21-1) and draw ring (21-2) two parts, is easy-to-draw thin slice (21-3) in the middle of the matrix lid (21-1), and easy-to-draw thin slice (21-3) periphery is provided with easy-to-draw impression, and draw ring (21-2) is connected above the easy-to-draw thin slice (21-3);
Is inclined to one side shape cylinder in the middle of the pad (22), i.e. gasket body (22-2), the peripheral cross section of pad (22) is " worker " font double flute ring (22-1);
In the middle of the matrix pad circle (23) is sealing sheet (23-1), concavo-convex all around chimeric ring.
2. the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube according to claim 1, it is characterized in that: centre chimeric " worker " the font double flute ring (22-1) of the periphery of matrix pad circle (23) and matrix lid (21-1), matrix pad circle (23) and the middle chimeric gasket body of part (22-2) of leaving a blank of matrix lid (21-1), close gasket body (22-2) above be easy-to-draw thin slice (21-3), close gasket body (22-2) below be sealing sheet (23-1).
3. the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube according to claim 1, it is characterized in that: the thickness of easy-to-draw thin slice (21-3) is 0.2-0.5mm.
4. the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube according to claim 1, it is characterized in that: the thickness of sealing sheet (23-1) is 0.1-0.3mm.
5. the transfusion bag accessory of shape of a saddle body seat band draw-ring type infusion needle guide tube according to claim 1, it is characterized in that: the edge of the soft thin slice of shape of a saddle body seat (15) connects position (8) for the sheet symphysis, the thickness that the sheet symphysis connects position (8) is thinner than the thickness at middle porose position, seamlessly transits between thick position and the thin position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020569789XU CN201823064U (en) | 2010-10-20 | 2010-10-20 | Infusion bag accessory adopting saddle-shaped tube body seat with pull ring type infusion needle guide tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020569789XU CN201823064U (en) | 2010-10-20 | 2010-10-20 | Infusion bag accessory adopting saddle-shaped tube body seat with pull ring type infusion needle guide tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201823064U true CN201823064U (en) | 2011-05-11 |
Family
ID=43961627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020569789XU Expired - Lifetime CN201823064U (en) | 2010-10-20 | 2010-10-20 | Infusion bag accessory adopting saddle-shaped tube body seat with pull ring type infusion needle guide tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201823064U (en) |
-
2010
- 2010-10-20 CN CN201020569789XU patent/CN201823064U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |
|
| CX01 | Expiry of patent term |