CN201823065U - Accessory of infusion bag of filling infusion pipe with saddle type pipe body seat and pull ring - Google Patents
Accessory of infusion bag of filling infusion pipe with saddle type pipe body seat and pull ring Download PDFInfo
- Publication number
- CN201823065U CN201823065U CN2010205697936U CN201020569793U CN201823065U CN 201823065 U CN201823065 U CN 201823065U CN 2010205697936 U CN2010205697936 U CN 2010205697936U CN 201020569793 U CN201020569793 U CN 201020569793U CN 201823065 U CN201823065 U CN 201823065U
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- China
- Prior art keywords
- ring
- infusion
- body seat
- draw
- needle guide
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an accessory of an infusion bag of a filling infusion pipe with a saddle type pipe body seat and a pull ring and belongs to an infusion pipe which can be well welded and closed with an infusion bag, enable a connection part to be not easy to damage and further has an annular easy-to-open cover. A welding ring is arranged at one end of an infusion needle guide pipe, the other port is connected with a hole of a saddle type pipe body seat, and the infusion needle guide pipe, the welding ring and the saddle type pipe body seat are in an integral structure which is injection molded once; and the accessory of the infusion bag further comprises a pull ring cover, the pull ring cover is formed by a pull cover, a gasket and a concave gasket ring with a connecting pipe in sequence and in a superposing and connecting way, and the welding ring of the connecting pipe of the concave gasket ring is hermetically connected with the welding ring of the infusion needle guide pipe. The accessory of the infusion bag has the advantages that the connection area between the accessory of the infusion bag and a thin film of the infusion bag is wide, the connection is firm, the connection position is not easy to bend and damage due to the action of the saddle type pipe body seat, only one process step of heat-sealing welding is required, the probability of pollution before and after forming the infusion bag is low, the sealing with a thin film of the infusion bag is good, and the production 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 plastic infusion bag comprises body, body seat (interface) and three parts of seal cover, earlier body seat and thin film heat seal is welded when producing plastic infusion 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 producing transfusion.The structure check that has perfusion and the difunctional transfusion bag accessory of transfusion now, the cost height.
Summary of the invention
The purpose of this utility model provides a kind of have perfusion and the difunctional transfusion bag accessory of transfusion, as long as the transfusion bag accessory is one welding sequence, with bag the soft or hard structural transition being arranged and connecting portion is not fragile, is the low transfusion bag accessory of a kind of difunctional, contaminated probability.
Structural formula of the present utility model is:
The transfusion bag accessory of saddle type body seat band draw-ring type filling infusion 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 saddle body seat 15, and saddle body seat 15 is soft thin slices that there is a hole centre; Infusion needle guide tube 7, welding ring 12 and 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, the matrix pad circle 23 of pad 22, band connection tube is formed by connecting according to order is superimposed, draw and cover 21, pad 22, be with the structure of matrix pad circle 23 of connection tube as follows:
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;
The matrix pad circle 23 of band connection tube is the integrative-structure of connection tube 23-2 and matrix pad circle 23-3; Connection tube 23-2 one end is matrix pad circle 23-3, and connection tube 23-2 one end is a welding ring 12; The centre of matrix pad circle 23-3 is sealing sheet 23-1, concavo-convex chimeric ring around the pad circle;
The welding ring 12 of connection tube 23-2 is tightly connected with the welding ring 12 of infusion needle guide tube 7.
The interior diameter of connection tube 23-2 is less than or equal to the interior diameter of infusion needle guide tube 7.
The edge of 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.
During the combination Pull ring cover, earlier pad 22 is embedded in the depression of the matrix pad circle 23 of being with connection tube, to draw again and cover 21 outward flange and be with the outward flange heat seal of the matrix pad circle 23 of connection tube to be tightly connected, then, the welding ring 12 of matrix pad circle 23 connection tube 23-2 one end of band connection tube is welded on the body welding ring 12 of infusion needle guide tube 7 of saddle body seat 15, promptly obtains with draw ring lid, the transfusion bag accessory that fill arranged and infuse bifunctional.
The welding ring 12 of infusion needle guide tube 7, infusion needle guide tube 7 one ends and 15 3 structures of 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, and the welding ring 12 of infusion needle guide tube 7 draws welding ring 12 heat seals of covering connection tube 23-2 to be tightly connected into the transfusion bag accessory of saddle body seat band draw-ring type filling infusion tube with band.
The interstitial hole of saddle body seat 15 communicates with infusion needle guide tube 7, and empty diameter is identical in both.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.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 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 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.
When making transfusion bag, sheet symphysis with saddle type body seat 15 edges connects position 8 and transfusion bag thin film heat seal welding earlier, by infusion needle guide tube 7 liquid drug in transfusion bag, the transfusion bag product that again welding ring 12 of infusion needle guide tube 7 and band is drawn welding ring 12 heat seals of covering connection tube 23-2 to be tightly connected and to become to have medicinal liquid after liquid drug is finished.
The transfusion bag product that medicinal liquid is arranged is used for when wanting dosing before the patient infusion; pull matrix lid 21-1; because draw ring 21-2 and easy-to-draw thin slice 21-3 link together; Yin Yila thin slice 21-3 periphery is provided with easy-to-draw impression again; just can pull off easy-to-draw thin slice 21-3 so pull draw ring 21-2; the gasket body 22-2 that exposes lower floor; because pad 22 peripheral cross sections are " worker " font double flute ring 22-1; gasket body 22-2 can not move when being punctured by the dosing pin; pad 22 elastic gum material; protection elastic packing state was air tight, water-tight when gasket body 22-2 was punctured by the dosing pin.
In order to make saddle body seat 15 better with the welding effect of transfusion bag thin film, the edge of 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 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 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 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.
Water can not infiltrate among Pull ring cover, connection tube and the infusion needle guide tube fully when sterilization, can guarantee after the sterilization that the pad outer surface is in aseptic condition all the time.When giving patient infusion, before in transfusion bag, injecting or taking out medicinal liquid, need not the outer surface of pad be carried out disinfection.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 a three-dimensional structure diagram of the present utility model;
Fig. 2 is a three-dimensional 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, 12 welding ring, the 15th, saddle body seat, the 21st, and 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, the 23-1 of band connection tube are that sealing sheet, 23-2 are that connection tube, 23-3 are matrix pad circles.
The specific embodiment
The transfusion bag accessory of embodiment 1, rectangle saddle type body seat band draw-ring type filling infusion tube
Conjuncted structure with polypropylene granules single injection-molded infusion needle guide tube 7, welding ring 12 and 15 3 structure one of saddle body seat.
With polypropylene granules respectively the injection mo(u)lding Pull ring cover be draw cover 21, the matrix pad circle 23 of band connection tube.Pull ring cover be draw cover 21, the overall diameter of 23 two parts of matrix pad circle of band connection tube 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; The matrix pad circle 23 of band connection tube is the integrative-structure of connection tube 23-2 and matrix pad circle 23-3; Connection tube 23-2 one end is matrix pad circle 23-3, and connection tube 23-2 one end is a welding ring 12; The centre of matrix pad circle 23-3 is sealing sheet 23-1, concavo-convex chimeric ring around the pad circle;
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 saddle body seat band draw-ring type filling infusion tube: in the middle of the matrix pad circle 23-3 of elder generation with the matrix pad circle 23 of the gasket body 22-2 embedding band connection tube of pad 22, " worker " font double flute ring 22-1 of pad 22 and matrix pad circle 23-3's is peripheral chimeric; To draw again and cover 21 matrix lid 21-1 and the peripheral heat seal of matrix pad circle 23-3 is tightly connected, of the welding ring 12 heat seals welding of the welding ring 12 of matrix pad circle 23 connection tube 23-2 one end of band connection tube, promptly obtain the transfusion bag accessory of saddle body seat band draw-ring type filling infusion tube at last with infusion needle guide tube 7.The saddle body seat 15 of infusion needle guide tube 7 one ends is used for being connected with the transfusion bag thin film.
Practical operation is when making transfusion bag: the saddle body seat 15 with infusion needle guide tube 7 one ends welds with the heat seal of transfusion bag thin film earlier, by infusion needle guide tube 7 liquid drug in transfusion bag, after liquid drug is finished, of the welding ring 12 heat seals welding of the welding ring 12 of matrix pad circle 23 connection tube 23-2 one end of band connection tube, make the transfusion bag product that medicinal liquid is housed at last with infusion needle guide tube 7.
The concrete structure and the size of each several part are as follows:
Connection tube 23-2 length is 12.0mm, and internal diameter is 5.0mm, and wall thickness is 1.0mm.
Infusion needle guide tube 7 length are 15.0mm, and internal diameter is 10.0mm, and wall thickness is 1.0mm.
The transfusion bag accessory of embodiment 2, oval saddle type body seat band draw-ring type filling infusion tube
Agent structure is same as embodiment 1, but saddle body seat 15 is oval, and oval long limit is 70.0mm, and oval minor face is 45.0mm; The sheet thickness of 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 (3)
1. the transfusion bag accessory of saddle type body seat band draw-ring type filling infusion 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 saddle body seat (15), and saddle body seat (15) is the soft thin slice that there is a hole centre; Infusion needle guide tube (7), welding ring (12) and saddle body seat (15) are the integrative-structure of an injection molded;
Also comprise a Pull ring cover, Pull ring cover is to draw the matrix pad circle (23) of lid (21), pad (22), band connection tube to be formed by connecting according to order is superimposed, draws lid (21), pad (22), is with the structure of matrix pad circle (23) of connection tube as follows:
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);
The matrix pad circle (23) of band connection tube is the integrative-structure of connection tube (23-2) and matrix pad circle (23-3); Connection tube (23-2) end is a matrix pad circle (23-3), and connection tube (23-2) end is welding ring (12); The centre of matrix pad circle (23-3) is sealing sheet (23-1), concavo-convex chimeric ring around the pad circle;
The welding ring (12) of connection tube (23-2) is tightly connected with the welding ring (12) of infusion needle guide tube (7).
2. the transfusion bag accessory of saddle type body seat band draw-ring type filling infusion tube according to claim 1, it is characterized in that: the interior diameter of connection tube (23-2) is less than or equal to the interior diameter of infusion needle guide tube (7).
3. the transfusion bag accessory of saddle type body seat band draw-ring type filling infusion tube according to claim 1, it is characterized in that: the edge of the soft thin slice of 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 |
|---|---|---|---|
| CN2010205697936U CN201823065U (en) | 2010-10-20 | 2010-10-20 | Accessory of infusion bag of filling infusion pipe with saddle type pipe body seat and pull ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205697936U CN201823065U (en) | 2010-10-20 | 2010-10-20 | Accessory of infusion bag of filling infusion pipe with saddle type pipe body seat and pull ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201823065U true CN201823065U (en) | 2011-05-11 |
Family
ID=43961628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205697936U Expired - Lifetime CN201823065U (en) | 2010-10-20 | 2010-10-20 | Accessory of infusion bag of filling infusion pipe with saddle type pipe body seat and pull ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201823065U (en) |
-
2010
- 2010-10-20 CN CN2010205697936U patent/CN201823065U/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 |