CN2759463Y - Transfusion soft bag interface device - Google Patents
Transfusion soft bag interface device Download PDFInfo
- Publication number
- CN2759463Y CN2759463Y CN 200420065369 CN200420065369U CN2759463Y CN 2759463 Y CN2759463 Y CN 2759463Y CN 200420065369 CN200420065369 CN 200420065369 CN 200420065369 U CN200420065369 U CN 200420065369U CN 2759463 Y CN2759463 Y CN 2759463Y
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- CN
- China
- Prior art keywords
- interface device
- flexible bag
- bag interface
- port
- export
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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 a transfusion soft bag interface device, which comprises a sealing cap and a pipe body. The pipe body comprises a body provided with a penetrating through hole. One end of the body is a connecting end extending in a transfusion bag and fused and sealed with the transfusion bag and the other end is an outlet end matched with the sealing cap to realize the sealing of the outlet end. The outlet end of the pipe body is a tightly contracted rhombohedral body composed of four straight walls. The cross section of the rhombohedral body is a rhombus of which the middle is provided with a rhombohedral through hole. The transfusion soft bag interface device of the utility model causes the interfaces of the pipe body and the transfusion soft bag to be flat through the pipe body connecting end with a rhombohedral shape. When the interfaces are welded and connected, the tension of films can not be too big, which prevents leakage from happening caused by the local thinness of the films due to too big tension. Simultaneously, because the connecting end is directly tightly contracted into the hollow rhombohedral body and the interfaces forming the rhombus are all thin straight walls, the cost of the transfusion soft bag interface device is low compare with the existing transfusion soft bag interface device of which the through holes are round holes and the outer walls are solid. Simultaneously, the utility model has the advantage of light weight.
Description
Technical field
This utility model relates to a kind of interface arrangement, especially about a kind of transfusion interface arrangement that connects the medical infusion soft bag bag.
Background technology
Plastic infusion bag is in light weight with it at present, transportation, use easy to carry, automatic retraction does not need air inlet during transfusion, be difficult for causing advantages such as cross infection, and obtained clinically using widely, their structure generally is the interface arrangement of end hot melt sealing at bag, the port of export of interface arrangement also hot melt seals a seal cover, the legacy interface device is the body that a cross section has manhole, 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 arrangement and bag is easy to produce leakage.
The transfusion flexible bag interface device of problem is applied in October 29 calendar year 2001 as same applicant in a kind of existing improvement, in on June 4th, 2003 bulletin, denomination of invention is the utility model patent of " transfusion flexible bag interface device ", the transfusion flexible bag interface device that this patent discloses extends into solid welding transition alar part in the both sides, lateral wall that connect the through hole of portion with transfusion flexible bag, though this kind welding transition alar part can make transfusion flexible bag interface device and transfusion flexible bag when welding, what reduce the transfusion flexible bag thin film is subjected to the same problem of force intensity, but, the welding transition alar part of the transfusion flexible bag interface device of this patent is solid, its material is many, increase the cost height, and weight.
Summary of the invention
The purpose of this utility model is to provide a kind of cost transfusion flexible bag interface device low, in light weight, that plastic foil is stretched hardly in the bag process.
This utility model transfusion flexible bag interface device comprises: seal cover; And body, described body comprises the body that is provided with consistent reach through hole, and an end of described body is a link, and this link stretches into transfusion bag and frit seal with it, and the other end is the port of export, this port of export matches with seal cover, reaches the sealing of the port of export; The port of export of described body tightens up the rhombogen that constitutes for by four straight walls, and the cross section of described rhombogen is the middle rhombus that has the rhombus through hole.
With respect to prior art, this utility model transfusion flexible bag interface device has following advantage: because this utility model adopts the body link of diamond shaped, thereby the interface of body link and transfusion flexible bag is more flat, when the interface of transfusion bag and body link carry out solder joints, the film of the seam of transfusion bag does not have excessive stretching, and the film of therefore having avoided the transfusion bag seam causes the situation of leakage because of the excessive local weakness of stretching; In addition and since the body link directly tighten up into the hollow rhombogen to constitute the rhombus interface because the body link is thin straight wall, therefore used with respect to existing transfusion flexible bag interface device material is few, in light weight, has reduced cost.
Description of drawings
Figure 1A～1C is this utility model cover body structure sketch map.
Fig. 2 A～2D is this utility model pipe structure sketch map.
Fig. 3 A～2C is this utility model rubber plug structure sketch map.
The specific embodiment
Shown in Figure 1A to Fig. 3 C, this utility model transfusion flexible bag interface device comprises body 30 and seal cover (not label), body 30 comprises the body that is provided with consistent reach through hole 2, one end of described body is a link 33, this link 33 stretches into transfusion bag and frit seal with it, the other end is the port of export 31, and this port of export 31 matches with seal cover, reaches sealing.Described seal cover comprises lid 10, rubber stopper 20, and lid 10 is protection rubber stopper 20 and the position of carrying out acupuncture, and combines with body 30.The length of this utility model transfusion flexible bag interface device is 25cm-50cm.
Described lid 10 and body 30 polyolefine material that meets national medical regulation of serving as reasons is made; Rubber stopper 20 elastomeric material that meets national medical regulation of serving as reasons is made.
Please be simultaneously with reference to shown in Figure 1A to Fig. 1 C, described lid 10 is roughly the open cylindrical body in bottom, and described lid 10 bottoms are hollow cylindrical cavity volume 11, in order to hold and fixedly embedded rubber stopper 20 in it; Cavity volume 11 upper ends are airtight, and the upper end is vertebra shape degree of lip-rounding shape in the cavity volume 11.Cavity volume 11 bottom outer walls are body 30 ports of export 31 inwalls " concavo-convex recessed " structure (detailed aftermentioned) tabling of one " convex-concave is protruding " structure 13 and assembling with it.Cavity volume 11 lower inner wall are column constructions wide at the top and narrow at the bottom, so that rubber stopper 20 embeds the back by narrow following supporting tightly, are unlikely to drop out.
The middle part of described lid 10 is to be platform 14, platform 14 external profile diameters are greater than the diameter of bottom hollow cylindrical cavity volume 11, be equal to the mouth of pipe (back the is described in detail) upper diameter of the port of export 31 of body 30, the top of platform 14 offers an acupuncture ring mouth 16 corresponding to the vertebra shape mouth place of cavity volume 11, in order to when lid 10 matches with rubber stopper 20, the acupuncture position of described rubber stopper 20 is revealed in this acupuncture ring edge position.The below of lid 10 projecting platforms 14 is provided with a plurality of protuberances 17 (figure does not show).
The top of lid 10 has an opening structure 15, and it is positioned at the top of platform 14, and the opening structure 15 of lid 10 can have following several embodiment:
First kind of embodiment, be shown in Figure 1A to Fig. 1 C, for pulling the folding form: adopt and pull the open form formula unlatching that fractures, opening structure 15 comprises handle 151 and broken part 152, described broken part 152 is the hollow ring of connection handle 151 with the acupuncture ring mouth 16 of platform 14, when handle 151 was fractureed, the broken part 152 that these handle 15 bottoms are connected with platform 14 will be fractureed, and promptly exposes the acupuncture position 23 (as shown in Figure 3A) of rubber stopper 20.Pull folding handle 151 and can come off fully and discard, also can be in the broken part 152 tail end be designed to be connected with lid 10 edges, still be connected after making broken part 152 quilts be fractureed with lid 10.
Second kind of embodiment is the pad pasting form: opening structure 15 is the good dustproof fungi-proofing thin film of one deck barrier property, film is attached to around the lid 10 platforms 14 top acupuncture ring mouths 16, the performance of this thin film is to prevent seeing through of materials such as oxygen, water, prevent seeing through of dust particle, thereby in sterilization, transportation, storage process, reach the effect and the purpose of sealing.Pad pasting of the present utility model is divided into two kinds of embodiments again:
First embodiment is tearable pull-up, and this kind pad pasting comprises the handle and the diaphragm of a hand-held tearing, prolongs the tearing that makes progress of handle rightabout, diaphragm can be torn exposed rubber plug 20 acupuncture positions 23
Second embodiment is for being direct use type, and this kind pad pasting does not have portable tearing position, does not need during use film is torn, directly puncture.
Be appreciated that ground, the top of described lid 10 does not have opening structure and without any need for covering, acupuncture ring mouth 16 directly as seen, when lid 10 matched with rubber stopper 20, the acupuncture portion 23 of described rubber stopper 20 directly was exposed to this acupuncture ring edge position.
See also shown in Fig. 2 A～2D, described body 30 by outbound port 31, link 33 and be connected in outbound port 31 and link 33 between middle part three parts form, whole body 30 is the middle column type structure that connects.Body 30 outbound ports 31 outer walls are the short column shape, outbound port 31 inwalls are " concavo-convex recessed " structure (not label) with lid 10 and rubber stopper 20 chimeric sealings, should " concavo-convex recessed " structure after lid 10 and rubber stopper 20 embed, can prevent that lid 10 from skidding off, keep good chimeric sealing property simultaneously.The wall opening upper limb is provided with a plurality of grooves 36 in body 30 outbound ports 31, with protuberance 17 tablings of lid 10 projecting platforms 14 belows, prevents to rotate between lid 10 and the body 30, thereby has avoided because of rotating the friction particles and the gap leakage of generation.Body 30 outbound ports, 31 inwall lower ends and body 30 middle parts 32 are by an annular recess 34 transition, when lid 10, rubber stopper 20 and body 30 cooperatively interact, this groove 34 is closely chimeric with lid 10 lower ends, groove 34 inwalls upper ends is accommodated in the lower plane sealing of the rubber stopper 20 in the lid, and prevents that rubber stopper 20 downward slippages from going into medicinal liquid.
The link 33 of body 30 tightens up downwards along body 30 middle parts 32 and is the hollow rhombogen, in the present embodiment, described hollow rhombogen is directly tightened up by the link 33 of body 30 and forms, thereby the outer wall of the link 33 of this body 30 is made up of four Bao Zhibi that constitute diamond shaped, described four rhombuses that thin straight wall constitutes, its acute angle is 30～90 degree.Body 30 links 33 of this kind tool diamond shaped make body 30 more flat with the interface of transfusion flexible bag, and when the two carried out solder joints, the stretching of film can be not excessive, and it is local weak to have avoided therefore causing film to take place.Simultaneously,, constitute the rhombus interface and be thin straight wall because this link 33 directly tightens up and is the hollow rhombogen, with respect to existing be that the outer wall of circular hole is that solid transfusion flexible bag interface installation cost is low at through hole, weight wants light simultaneously.
Be appreciated that ground, the port of export 31 of body 30 of the present utility model can transit directly to link 33, and dispenses the middle part 32 of body 30, and then body 30 outbound ports, 31 inwall lower ends and body 30 links 32 are by annular recess 34 transition.
Shown in Fig. 3 A～3C, rubber stopper 20 and lid 10 interference fit are roughly that top is 21 airtight, the column of bottom 22 hollows, and its top 21 has the acupuncture portion 23 of dimpling, and the end face of bottom 22 is provided with a plurality of salient points 24.The above and below of rubber stopper 20, side fit tightly with the mating surface of lid 10, body 30 respectively, thereby guarantee the sealing property of rubber stopper 20.
During assembling, described rubber stopper 20 interference are pressed in the cavity volume of lid 10 11, and 23 pairs in the acupuncture portion that makes rubber stopper 20 is positioned at the acupuncture ring mouth 16 of lid 10, the lid 10 that rubber stopper 20 will be housed at last inserts in described body 30 tops, concavo-convex recessed by lid 10 " structure is concavo-convex recessed with body 30 upper inside wall " structure engages mutually, and the root edge of lid 10 bottoms is snapped in the groove on body 30 tops, thereby the protuberance 17 below lid 10 platforms snaps in the assembling that body 30 is finished the transfusion flexible bag interface device.
Be appreciated that ground, lid 10 of the present utility model and body 30 engage employing " concavo-convex recessed " structure, the cooperation good leak tightness of this kind structure, not needing to weld direct riveted can leakage yet.
Certainly, lid 10 of the present utility model can not adopt " concavo-convex recessed " structure with engaging yet of body 30, and adopts " concavo-convex " structure or other snap-in structure, welds by heat seal or hyperacoustic mode simultaneously, reaches airtight cooperation.
When described transfusion flexible bag interface device matches with transfusion flexible bag, the link 33 of body 30 is placed in the opening of transfusion flexible bag with the relative landscape mode of acute angle, body 30 and transfusion flexible bag are tightly connected in the mode of welding.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. transfusion flexible bag interface device comprises:
Seal cover; With
Body, described body comprises the body that is provided with consistent reach through hole, and an end of described body is a link, and this link stretches into transfusion bag and frit seal with it, and the other end is the port of export, this port of export matches with seal cover, reaches the sealing of the port of export; It is characterized in that:
The port of export of described body tightens up the rhombogen that constitutes for by four straight walls, and the cross section of described rhombogen is the middle rhombus that has the rhombus through hole.
2. the transfusion flexible bag interface device of stating as claim 1, it is characterized in that: described seal cover comprises lid and rubber stopper, and described rubber stopper embeds in the described lid, and described cap portion snap-fits in the port of export of described body.
3. transfusion flexible bag interface device as claimed in claim 2, it is characterized in that: described lid comprises platform one by one and the cylindrical body with the hollow reservoir that runs through the platform bottom of extending along platform downwards, thereby form an acupuncture ring mouth on platform, described rubber stopper is that acupuncture position, the bottom of top seal is the column of hollow; The acupuncture position of described rubber stopper is matched with the acupuncture ring mouth of lid.
4. transfusion flexible bag interface device as claimed in claim 3 is characterized in that: the platform top of described lid comprises the opening structure of sealing platform acupuncture ring mouth.
5. transfusion flexible bag interface device as claimed in claim 4 is characterized in that: described opening structure comprise one handle and with the broken part that is connected in handle and platform acupuncture ring mouth edge.
6. transfusion flexible bag interface device as claimed in claim 4 is characterized in that: but described opening structure is to be attached to the platform top acupuncture ring mouth tearing thin film or the thin film that can directly puncture on every side.
7. transfusion flexible bag interface device as claimed in claim 3 is characterized in that: the port of export inwall of described body has concavo-convex recessed structure, and the cylindrical body outer wall of described lid has convex-concave male structure with matching.
8. transfusion flexible bag interface device as claimed in claim 1 is characterized in that: described rhombus acute angle is the 30-90 degree.
9. the transfusion flexible bag interface device of stating as claim 2, it is characterized in that: described body comprises that also one is connected in the middle part of the link and the port of export, this middle part from link to the port of export with mode transition wide at the top and narrow at the bottom; Described body port of export inwall lower end and body middle part are by an annular recess transition, and this annular groove holds the lower end of lid cylindrical body, the length 25cm-50cm of described transfusion flexible bag interface device.
10. the transfusion flexible bag interface device of stating as claim 9, it is characterized in that: described body port of export opening upper limb is provided with a plurality of grooves, and described lid is in a plurality of protuberances that are provided with of the below correspondence of the platform of outstanding cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065369 CN2759463Y (en) | 2004-06-11 | 2004-06-11 | Transfusion soft bag interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065369 CN2759463Y (en) | 2004-06-11 | 2004-06-11 | Transfusion soft bag interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2759463Y true CN2759463Y (en) | 2006-02-22 |
Family
ID=36081666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420065369 Expired - Lifetime CN2759463Y (en) | 2004-06-11 | 2004-06-11 | Transfusion soft bag interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2759463Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746513B (en) * | 2008-11-30 | 2012-02-15 | 梁富友 | Connection process of connection pipe mouth cover for soft bag transfusion |
| CN101415390B (en) * | 2006-03-31 | 2012-08-22 | 株式会社Jms | Communicating member, medical container using the same, and infusion solution preparing tool set |
| CN102743290A (en) * | 2011-04-19 | 2012-10-24 | 上海武彬包装制品有限公司 | Improved integral oral tube for infusion container |
-
2004
- 2004-06-11 CN CN 200420065369 patent/CN2759463Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415390B (en) * | 2006-03-31 | 2012-08-22 | 株式会社Jms | Communicating member, medical container using the same, and infusion solution preparing tool set |
| CN101746513B (en) * | 2008-11-30 | 2012-02-15 | 梁富友 | Connection process of connection pipe mouth cover for soft bag transfusion |
| CN102743290A (en) * | 2011-04-19 | 2012-10-24 | 上海武彬包装制品有限公司 | Improved integral oral tube for infusion container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140611 Granted publication date: 20060222 |