CN205359993U - Add medicine tee bend - Google Patents
Add medicine tee bend Download PDFInfo
- Publication number
- CN205359993U CN205359993U CN201521141183.5U CN201521141183U CN205359993U CN 205359993 U CN205359993 U CN 205359993U CN 201521141183 U CN201521141183 U CN 201521141183U CN 205359993 U CN205359993 U CN 205359993U
- Authority
- CN
- China
- Prior art keywords
- dosing
- threeway
- plug
- feed pathway
- passage
- Prior art date
- 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 - Fee Related
Links
Abstract
The utility model provides an add medicine tee bend belongs to medical instrument technical field. The air was difficult by the discharge scheduling problem during it had solved present add medicine tee bend. This add medicine tee bend, including three entire bodies and plug, three entire bodies are including liquid inlet channel, the liquid channel of intercommunication each other and add the medicine passageway, and the plug is sealed to be fixed in adding the medicine passageway, and liquid inlet channel's axis is perpendicular with axis with the medicine passageway, the lower extreme of plug is close to the intersection that perhaps is located liquid inlet channel, liquid channel and adds the medicine passageway. This add medicine tee bend has advantages such as the exhaust air of being favorable to.
Description
Technical field
This utility model belongs to technical field of medical instruments, relates to a kind of threeway, particularly relates to a kind of dosing threeway.
Background technology
Dosing threeway is parts on transfusion instrument, for dosing in infusion process.Dosing threeway generally includes dosing passage, transfusion feed pathway, transfusion liquid outlet channel and dosing plug, and wherein dosing plug rubber, silica gel or latex are made, and dosing plug is by dosing channel enclosed.During dosing, pierce through plug by injecting liquid drug to threeway with draw point.
Injection member [the application number: 201020301981.0 of the tape guide groove that Chinese patent literature data openly proposes；Authorization Notice No.: CN201692425U], on infusion set, including liquid medicine filtering device, before liquid medicine filtering device, it is provided with injection member, for dosing in infusion process.Injection member includes injection member threeway and injection member plug, and injection member herb liquid directly contacts injection member plug.Having gathering sill on injection member plug, puncture needle punctures along gathering sill, will not produce skew.
A kind of Y-type three way type [application number: 201520126791.2 with preventer that Chinese patent literature data openly proposes；Authorization Notice No.: CN204543112U], including Y-type three way type head, cylindrical passageway, connecting cylinder body, described Y-type three way type head bottom arranges protection plate, connecting cylinder body, and described protection plate bottom arranges cylindrical passageway, and described connecting cylinder body tilts to be connected in cylindrical passageway.This Y-type three way type with preventer is provided with a protection plate between Y-type three way type head and the cylindrical passageway of bottom so that user avoids needle sting hand when intravenous needle punctures or takes pin；It addition, the side of connecting cylinder body embeds in protection plate so that form a triangular connection structure between protection plate, connecting cylinder body, cylindrical passageway so that the structure of Y-type three way type is more firm, deformation can be prevented excessive.User is in piercing process, it is prevented that situation that is firmly excessive and that cause Y-type three way type deformation excessive occur, and Reducing distortion is also prevented from syringe needle from another aspect and passes and stab user.
Both the above dosing threeway can realize the process of dosing well, but transfusion device is before transfusion, it is necessary to is discharged by the air in infusion channel, so the air in dosing threeway is also required to discharge.General dosing threeway is Y type and is made up of transparent ABS or dumb light ABS material, and the air at the dosing passage place closed by dosing plug is not easily discharged, and is unfavorable for the carrying out of transfusion.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, it is proposed that a kind of dosing threeway being conducive to air-out.
The purpose of this utility model can be realized by following technical proposal:
A kind of dosing threeway, including three-way body and plug, described three-way body includes the feed pathway, liquid outlet channel and the dosing passage that are interconnected, and described plug seals and is fixed in dosing passage, it is characterized in that, the axis of described feed pathway is vertical with the axis of dosing passage.
The feed pathway of dosing threeway is connected with the tube for transfusion with transfusion bag, and liquid outlet channel is connected with the tube for transfusion with needle tubing, before penetrating in patient body by needle tubing, first liquid-transport pipe-line will be full of transfusion, discharge by the air in liquid-transport pipe-line.In the process of air-out, transfusion enters three-way body by feed pathway, flows out from liquid outlet channel after flowing through the intersection of feed pathway, liquid outlet channel and dosing passage, thus being discharged by the air in threeway.The intersection of threeway intersection and feed pathway, liquid outlet channel and dosing passage.Existing dosing threeway is all the axis of feed pathway is acuter angles with the axis of dosing passage.Although acuter angles ensure that the seriality of normal infusion process well, but at exhaust phase, when transfusion flows through threeway intersection, often not easily discharges with the air in the dosing passage below top cement plug in threeway intersection.The axis of feed pathway is vertical with the axis of dosing passage, ensureing that transfusion is successional while, good with the delivery ratio acuter angles of the air in the dosing passage below top cement plug for threeway intersection at exhaust phase.
In above-mentioned dosing threeway, the lower end of described plug is near or at the intersection of feed pathway, liquid outlet channel and dosing passage.
Because the lower end of plug is near or at the intersection of feed pathway, liquid outlet channel and dosing passage, preferably the dosing passage of threeway intersection and close threeway intersection can be full of when making the outlet infused from feed pathway flow into intersection, thus better the air in threeway being discharged.
In above-mentioned dosing threeway, the inwall of described dosing passage is provided with boss, and the lower end of described plug is resisted against on boss upper surface, and the outlet of described feed pathway is near boss.
Plug is usually cylindrical structure, when the structure of plug is not modified, is arranged near boss by the outlet of feed pathway to be conducive to the discharge of threeway air.
In above-mentioned dosing threeway, the axis of described dosing passage and the axis collinear of liquid outlet channel.
Because plug is just near threeway intersection, if the axis not conllinear of the axis of dosing passage and liquid outlet channel, it is possible to could cause that draw point is long and be inserted on the inwall of three-way body.And after the axis collinear of the axis of dosing passage and liquid outlet channel, it is possible to avoid dosing draw point when entering threeway by plug, to prick the inwall of three-way body.
In above-mentioned dosing threeway, described feed pathway is connected to the liquid inlet joint with turning.
After the axis of feed pathway is vertical with the axis of dosing passage, if directly connecing tube for transfusion, it is possible to tube for transfusion can be caused to bend, it is unfavorable for being smoothed out of transfusion；After being connected the liquid inlet joint with turning between feed pathway with tube for transfusion, it is possible to avoid tube for transfusion to bend, be conducive to improving the safety of transfusion.
In above-mentioned dosing threeway, one end of described liquid inlet joint is inserted in feed pathway and is adhesively fixed with feed pathway inwall.
One end of liquid inlet joint insert in feed pathway and with the connected mode that feed pathway inwall is adhesively fixed, there is advantage quick for installation；And this combinative structure processing technique is simple, low cost of manufacture.
In above-mentioned dosing threeway, the turning of described liquid inlet joint is right angle.
Right angle is more beneficial for avoiding tube for transfusion to bend, and it is advantageously ensured that the safety of transfusion.
In above-mentioned dosing threeway, the lateral wall of described dosing passage is provided with in flat backplate.
Backplate can avoid stabbing because of maloperation the hands of dosing person in dosing process.At exhaust phase, it is possible to hold backplate to adjust the position of threeway, make the air in threeway discharge better.
In above-mentioned dosing threeway, the edge of described backplate is provided with projection upwards.
Raising up on sheeting edge can avoid stabbing because of maloperation the hands of dosing person further in dosing process.
In above-mentioned dosing threeway, the lateral surface of described three-way body be provided be arranged in parallel with liquid outlet channel shield and sustain post.
The post of shielding and sustain increased is conducive to dosing person's one hand when dosing to hold steadily threeway.At exhaust phase, it is possible to hold the position shielding and sustain post to adjust threeway, make the air in threeway discharge better.
Compared with prior art, this dosing threeway has the advantage that
The axis of the axis of the feed pathway in threeway and dosing passage is vertically arranged, and the lower end of plug, near or at the intersection of feed pathway, liquid outlet channel and dosing passage, is conducive to the air in threeway to discharge.The axis collinear of the axis of liquid outlet channel and dosing passage is arranged, and increases backplate and shield and sustain post and be conducive to accuracy and the safety of feeding operations outside threeway.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of embodiment one in this dosing threeway；
Fig. 2 is the structure sectional view of the three-way body of embodiment one in this dosing threeway；
Fig. 3 is the axonometric chart of embodiment one in this dosing threeway；
Fig. 4 is the axonometric chart of embodiment two in this dosing threeway；
Fig. 5 is the axonometric chart of embodiment three in this dosing threeway.
In figure, 1, three-way body；1a, feed pathway；1b, liquid outlet channel；1c, dosing passage；1c1, boss；1c2, heat seal portion；2, plug；3, liquid inlet joint；4, backplate；4a, projection；5, post is shielded and sustain.
Detailed description of the invention
The following is specific embodiment of the utility model and in conjunction with accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, dosing threeway includes three-way body 1, plug 2 and liquid inlet joint 3, and three-way body 1 includes feed pathway 1a, the liquid outlet channel 1b and the dosing passage 1c that are interconnected.Plug 2 is cylinder, it is possible to be made up of silica gel；Liquid inlet joint 3 is two pass joints with right angle corner.Plug 2 is in dosing passage 1c；The inwall of dosing passage 1c is provided with boss 1c1, and the lower end of plug 2 is resisted against on the upper surface of boss 1c1；Dosing passage 1c upper end wall is heat seal portion 1c2, and heat seal portion 1c2 is heated and curves inwardly and be pressed on the upper end of plug 2 under the effect of the pressure.When assembling plug 2, to be put in the heat seal portion 1c2 dosing passage 1c not deformed in cylindrical plug 2, the lower surface of plug 2 is resisted against on the upper surface of the boss 1c1 of dosing passage 1c inwall, being pressed on the upper surface of plug 2 by heat seal portion 1c2 hot pressing bending again, plug 2 is fixed in dosing passage 1c by sealing.
The outlet of feed pathway 1a boss 1c1 on dosing passage 1c inwall, feed pathway 1a exports the position at place and the intersection of feed pathway 1a, liquid outlet channel 1b and dosing passage 1c, so the boss 1c1 that the outlet of feed pathway 1a is on dosing passage 1c inwall, namely the lower end of plug 2 is near the intersection of feed pathway 1a, liquid outlet channel 1b and dosing passage 1c.The outlet of feed pathway 1a can also be intersected with boss 1c1, so that the lower end of plug 2 is positioned at feed pathway 1a, liquid outlet channel 1b and the intersection of dosing passage 1c.Or the shape of change plug 2, make the lower end intersection near or at feed pathway 1a, liquid outlet channel 1b and dosing passage 1c of plug 2.
The axis of feed pathway 1a is vertical with the axis of dosing passage 1c, the axis of dosing passage 1c and the axis collinear of liquid outlet channel 1b.Feed pathway 1a is inserted in one end of liquid inlet joint 3 and the inwall with feed pathway 1a is adhesively fixed, and the other end of liquid inlet joint 3 is connected with the tube for transfusion with transfusion bag.Liquid outlet channel 1b is connected with the tube for transfusion with needle tubing.After the axis of the axis of feed pathway 1a and dosing passage 1c is vertically arranged, if feed pathway 1a is directly connected to tube for transfusion and is likely to result in the bending of tube for transfusion, being unfavorable for the carrying out of transfusion, the liquid inlet joint 3 connecting a right angle corner on feed pathway 1a is possible to prevent tube for transfusion to bend.During dosing, draw point is penetrated plug 2 from dosing passage 1c upper port, although the length of draw point is longer, but the axis collinear of dosing passage 1c and liquid outlet channel 1b, and draw point will not be pricked after penetrating plug 2 on the inwall of three-way body 1.
Before needle tubing is penetrated in patient body, first liquid-transport pipe-line to be full of transfusion, discharge by the air in liquid-transport pipe-line.Infuse and flow into three-way body 1 from liquid inlet joint 3 by feed pathway 1a, after the intersection of feed pathway 1a, liquid outlet channel 1b and dosing passage 1c, then flow out from liquid outlet channel 1b.When flowing through the intersection of feed pathway 1a, liquid outlet channel 1b and dosing passage 1c, because the axis of the axis of feed pathway 1a and dosing passage 1c is vertically arranged, be conducive to the discharge of air in threeway intersection and dosing passage 1c, the lower end of plug 2, near or at the intersection of feed pathway 1a, liquid outlet channel 1b and dosing passage 1c, is more beneficial for transfusion and threeway intersection and threeway intersection is arrived in outside threeway with the air in the dosing passage 1c of top cement plug less than 2.Plug 2 seals and is fixed in dosing passage 1c simultaneously, and extraneous air can not enter threeway from dosing passage 1c.
Embodiment two
As shown in Figure 4, on the basis of embodiment one, the lateral wall of dosing passage 1c is arranged in flat backplate 4, it is possible to upwardly extending protruding 4a is set at the edge of backplate 4.Backplate 4 is possible to prevent dosing person to stab the hands of oneself.At exhaust phase, it is possible to hold backplate 4 to adjust the position of threeway, make the air in threeway discharge better.
Embodiment three
As it is shown in figure 5, on the basis of embodiment one or embodiment two, what on the outer wall of three-way body 1, setting was parallel with liquid outlet channel 1b shields and sustain post 5, shielding and sustain post 5 can be cylinder.Hold and shield and sustain post 5 and be possible to prevent the singlehanded on slippery ground threeway of dosing person.At exhaust phase, it is possible to hold the position shielding and sustain post 5 to adjust threeway, make the air in threeway discharge better.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined.
Claims (10)
1. a dosing threeway, including three-way body (1) and plug (2), described three-way body (1) includes the feed pathway (1a), liquid outlet channel (1b) and the dosing passage (1c) that are interconnected, described plug (2) seals and is fixed in dosing passage (1c), it is characterized in that, the axis of described feed pathway (1a) is vertical with the axis of dosing passage (1c).
2. dosing threeway according to claim 1, it is characterised in that the lower end of described plug (2) is near or at the intersection of feed pathway (1a), liquid outlet channel (1b) and dosing passage (1c).
3. dosing threeway according to claim 2, it is characterized in that, the inwall of described dosing passage (1c) is provided with boss (1c1), the lower end of described plug (2) is resisted against on boss (1c1) upper surface, and the outlet of described feed pathway (1a) is near boss (1c1).
4. the dosing threeway according to claim 1 or 2 or 3, it is characterised in that the axis of described dosing passage (1c) and the axis collinear of liquid outlet channel (1b).
5. dosing threeway according to claim 4, it is characterised in that described feed pathway (1a) is connected to the liquid inlet joint (3) with turning.
6. dosing threeway according to claim 5, it is characterised in that one end of described liquid inlet joint (3) is inserted in feed pathway (1a) and is adhesively fixed with feed pathway (1a) inwall.
7. dosing threeway according to claim 6, it is characterised in that the turning of described liquid inlet joint (3) is right angle.
8. dosing threeway according to claim 3, it is characterised in that the lateral wall of described dosing passage (1c) is provided with in flat backplate (4).
9. dosing threeway according to claim 8, it is characterised in that the edge of described backplate (4) is provided with projection (4a) upwards.
10. the dosing threeway according to claim 3 or 8, it is characterised in that the lateral surface of described three-way body (1) be provided be arranged in parallel with liquid outlet channel (1b) shield and sustain post (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141183.5U CN205359993U (en) | 2015-12-31 | 2015-12-31 | Add medicine tee bend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141183.5U CN205359993U (en) | 2015-12-31 | 2015-12-31 | Add medicine tee bend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205359993U true CN205359993U (en) | 2016-07-06 |
Family
ID=56275802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521141183.5U Expired - Fee Related CN205359993U (en) | 2015-12-31 | 2015-12-31 | Add medicine tee bend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205359993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477777A (en) * | 2016-01-15 | 2016-04-13 | 上海宝舜医疗器械有限公司 | Bubble prevention three-way structure used for disposable infusion apparatus |
| CN108785793A (en) * | 2018-07-26 | 2018-11-13 | 江西洪达医疗器械集团有限公司 | Injection member and infusion apparatus containing the injection member |
-
2015
- 2015-12-31 CN CN201521141183.5U patent/CN205359993U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477777A (en) * | 2016-01-15 | 2016-04-13 | 上海宝舜医疗器械有限公司 | Bubble prevention three-way structure used for disposable infusion apparatus |
| CN108785793A (en) * | 2018-07-26 | 2018-11-13 | 江西洪达医疗器械集团有限公司 | Injection member and infusion apparatus containing the injection member |
| CN108785793B (en) * | 2018-07-26 | 2023-08-29 | 江西洪达医疗器械集团有限公司 | Injection member and infusion apparatus comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205359993U (en) | Add medicine tee bend | |
| CN203749919U (en) | Needleless infusion device | |
| CN110013579A (en) | Puncture outfit and infusion set | |
| CN205434529U (en) | Disposable needleless malleation connects | |
| CN201370832Y (en) | Disposable two-way infusion set | |
| CN208943103U (en) | Threeway liquid medicine filter | |
| CN203556057U (en) | Junction valve capable of preventing blood return | |
| CN204379891U (en) | Multifunctional airtight transfusion syringe pipe | |
| CN107198659A (en) | Transfusion adapter and the transfusion system with the transfusion converter | |
| CN209596312U (en) | A kind of nurse's anti-dropout infusion device | |
| CN110496270A (en) | Anti-dropout infusion device | |
| CN207768824U (en) | A kind of anti-blood back infusion connector being vented | |
| CN206074200U (en) | A kind of transfusion bag injection dot encapsulation detection means | |
| CN207837959U (en) | New-type disposable transfusion device | |
| CN207996333U (en) | A kind of bag transfusion system with Anti-stabbing dosing part | |
| CN205549014U (en) | Syringe is held back to particle of easy assembly | |
| CN208525543U (en) | A kind of infusion apparatus with Anti-stabbing dosing part | |
| CN205360221U (en) | Isobaric tube clipper of constant volume of two -chamber PICC pipe | |
| CN204840512U (en) | Prevent back that blood infusion connects | |
| CN209137356U (en) | A kind of intravenous injection bottle | |
| CN213964815U (en) | Conduit joint | |
| CN202397884U (en) | Disposable bag type transfusion system | |
| CN108904970A (en) | A kind of multipurpose medical anti-reflective stream connector | |
| CN209060180U (en) | A kind of transfusion apparatus | |
| CN201231008Y (en) | Medical multifunctional joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |