CN201324408Y - Improved exhaust pipe in infusion set funnel - Google Patents
Improved exhaust pipe in infusion set funnel Download PDFInfo
- Publication number
- CN201324408Y CN201324408Y CNU2008202048185U CN200820204818U CN201324408Y CN 201324408 Y CN201324408 Y CN 201324408Y CN U2008202048185 U CNU2008202048185 U CN U2008202048185U CN 200820204818 U CN200820204818 U CN 200820204818U CN 201324408 Y CN201324408 Y CN 201324408Y
- Authority
- CN
- China
- Prior art keywords
- exhaustor
- dropping funnel
- exhaust pipe
- transfusion device
- gas
- 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
- 238000001802 infusion Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 49
- 238000000034 method Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001464 adherent effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical devices, in particular to an improved exhaust pipe in an infusion set funnel which is characterized in that the exhaust pipe which is arranged in the funnel is inserted into an inner hole at the neck of the lower end of the inner cavity of the funnel; the connecting method between the exhaust pipe and the lower pipe of an infusion set is that the pipe is inserted into an inner hole of the base of the exhaust pipe; and the structure can prevent bubbles from being hidden in the pipe, thereby realizing the automatic exhaust performance.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of improved infusion unit titrimeter inside exhaust pipe, and it is that automatic-exhaust transfusion device is installed in an accessory in the dropping funnel.
Technical background
The transfusion device exhaust problem of existing transfusion device is the difficult problem of a universality, has perplexed the raising of the efficient and the quality of transfusion work since transfusion device comes out always.For addressing the above problem, Chinese patent application 200610146971.2 automatically exhausting self-destruction type infusion devices have proposed solution, this scheme has proposed to install at the dropping funnel inner bottom part technical method of exhaustor, this method is being eliminated gas-liquid mixed, realize the unique advance of self-bleeding performance, yet have a lot of technologic limitation on implementing, show that mainly this exhaustor is in realizing deflated process, its structure has also produced disorder to the water flow mode in the conduit, and cause the descending risk of the built-in bubble of exhaustor and with the problem of descending two aspects of built-in bubble, conduit junction, also be not technology settling mode completely.
The utility model content
The purpose of this utility model is the problem at above-mentioned existence, on the basis of quoting Chinese patent application 200610146971.2 automatically exhausting self-destruction type infusion devices, a kind of rational in infrastructure, effectively aerofluxus is provided, and the real infusion unit titrimeter inside exhaust pipe of realizing the residual risk of no bubble.
The technical solution of the utility model is achieved in that a kind of improved infusion unit titrimeter inside exhaust pipe 2, comprise tube wall 21, gas-liquid channel 22, base 23, it is characterized in that exhaustor 2 is installed in the intracavity bottom 11 of dropping funnel 1, its top closure, base 23 partly or entirely inserts dropping funnel lower end connecting portion 11 endoporus and is connected with dropping funnel lower end connecting portion 11, and be communicated with transfusion device downcomer 3, have a gas-liquid channel 22 that connects with transfusion device downcomer 3 on the tube wall 21 of exhaustor 2 at least, the connected mode of exhaustor 2 and transfusion device downcomer 3 is that the link of transfusion device downcomer 3 inserts the endoporus 24 that is installed in exhaustor base 23.
Wherein, described exhaustor 2 stretches into the effective length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height, and the transverse width of the gas-liquid channel 22 on exhaustor 2 tube walls 21 is between 0.3mm to 0.8mm, and the bottom of gas-liquid channel 22 is higher than dropping funnel 1 inner chamber bottom 1mm at least.
When medicinal liquid enters dropping funnel 1 under action of gravity, can directly arrive dropping funnel 1 intracavity bottom, because the cause of liquid phase and solid phase surface molecule tension force objective reality, medicinal liquid is blocked in the internal channel that can't enter exhaustor 2 in the dropping funnel 1 immediately, exhaustor 2 stopping under, medicinal liquid can be accumulated and raise liquid level gradually in dropping funnel 1, and in the process that liquid level is elevated, unnecessary air then is extruded in the dropping funnel 1, and is discharged by transfusion device downcomer 3 through the gas-liquid channel 22 of exhaustor 2.And when medicinal liquid was accumulated to about 1/2 dropping funnel, 1 inner chamber height, its gravity overcame that surface molecular is tensile to be stopped, and enters gas-liquid channel 22, comes downwards to through transfusion device downcomer 3 and finishes aerofluxus.
Wherein,, make medicinal liquid when entering dropping funnel 1, can not enter exhaustor 2 and gas-liquid mixed, make that above-mentioned medicinal liquid accumulation is finished smoothly because of the turbulent flow that water impact produces because the bottom of gas-liquid channel 22 is higher than dropping funnel 1 inner chamber bottom 1mm at least.Again because exhaustor 2 stretches into the effective length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height, and the transverse width of the gas-liquid channel 22 on exhaustor 2 tube walls 21 is between 0.3mm to 0.8ma, under both combineds effect, eliminate the air that is built in the exhaustor 2, avoided causing risk.
And transfusion device downcomer 3 avoids path to form step to insert the frame mode of exhaustor base 23 endoporus 24, then directly eliminated air when descending adherent may, thereby eliminated the phenomenon of this built-in bubble in place.
Realize automatic vent thus, eliminate exhaustor 2 built-in air and eliminate the performance of the built-in bubble of exhaustor 2 link positions, reach automatic vent and can therefore not produce the effect of new bubble.
Infusion unit titrimeter inside exhaust pipe after the improvement provided by the utility model, its improvement is simple in structure, and performance is effective, is suitable for suitability for industrialized production.The real problem that comprehensively solves the transfusion device exhaust problem, it is inevitable that transfusion safety is become, and to improving the injection quality secure context remarkable meaning arranged.
Description of drawings
Fig. 1 is the application sectional structure chart according to the improved infusion unit titrimeter inside exhaust pipe that the utility model proposes.
Fig. 2 is the composition that unhitches of half subdivision according to the improved infusion unit titrimeter inside exhaust pipe that the utility model proposes.
Fig. 3 is that A-A according to the improved infusion unit titrimeter inside exhaust pipe that the utility model proposes is to vertical view.
The specific embodiment
Below in conjunction with the working condition of description of drawings according to the concrete device that the utility model proposes.
As shown in Figure 1, when medicinal liquid enters dropping funnel 1 under action of gravity, can flow directly into the intracavity bottom of dropping funnel 1 and arrive exhaustor 2, because the descending path gas-liquid channel 22 of exhaustor 2 medicinal liquids is configured to the wide long and narrow slit of at least one 0.3mm to 0.8mm, and because the cause of liquid phase and solid phase surface molecule tension force objective reality, medicinal liquid can't enter immediately, and is blocked in the dropping funnel 1.Under the stopping of exhaustor 2, medicinal liquid can be accumulated and raise liquid level gradually in dropping funnel 1, and in the process that liquid level is elevated, the liquid that unnecessary air has then been entered in the dropping funnel 1 pushes, and is discharged by transfusion device downcomer 3 through the gas-liquid channel 22 of exhaustor 2.And when medicinal liquid was accumulated to about 1/2 dropping funnel, 1 inner chamber height, its gravity overcame that surface molecular is tensile to be stopped, and entered gas-liquid channel 22, came downwards to through transfusion device downcomer 3 and finished aerofluxus, realized need not human intervention, can self-bleeding performance.
Wherein, because the bottom of gas-liquid channel 22 is higher than dropping funnel 1 inner chamber bottom 1mm at least, its the raised area is airtight, so medicinal liquid is when entering dropping funnel 1, this airtight part can relax and eliminate medicinal liquid impacts and under potential energy, make it can not enter exhaustor 2 and gas-liquid mixed, make above-mentioned medicinal liquid not have other external force factors when accumulating and disturb, finished smoothly because of the turbulent flow that water impact produces.Again because exhaustor 2 stretches into the effective length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height, and the transverse width of the gas-liquid channel 22 on exhaustor 2 tube walls 21 is between 0.3mm to 0.8mm, under both combineds effect, make between the blocking capability of 2 pairs of medicinal liquids of exhaustor and needed dropping funnel 1 liquid level of normal infusion and obtain a balance cleverly, when promptly in dropping funnel 1, being accumulated to liquid level and approximating 1/2 dropping funnel, 1 inner chamber height by the structured data of above-mentioned exhaustor 2 restriction medicinal liquid, the gravity that it reached can overcome the blocking capability of 2 pairs of medicinal liquids of exhaustor just, stop and enter gas-liquid channel 22 thereby break through, to discharge via transfusion device downcomer 3.And exhaustor 2 stretches into the setting of the effective length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height, then guaranteed in the aerofluxus overall process, be built in air sections in the exhaustor 2 and be exposed to the top of dropping funnel 1, discharge in the process that can raise with liquid level, be unlikely to be flooded by medicinal liquid, and be built in the exhaustor 2, left behind by quick descending medicinal liquid, cause risk.Above-mentioned structure the built-in bubble of having eliminated in the exhaustor 2 is set, make exhaustor 2 really reach perfect automatic vent performance.
And transfusion device downcomer 3 is to insert the frame mode of exhaustor base 23 endoporus 24, then make the liquid downlink be tending towards straight, avoid fluid path by the big formed step of little unexpected change, cause the dead angle, make air stick to the dead angle of current and form bubble, cause the phenomenon that bubble flows down with medicinal liquid again after aerofluxus is finished, cause liquid waste and cause risk, the set conduit syndeton of this utility model then directly eliminated air when descending adherent may, thereby eliminated the phenomenon of this built-in bubble in place.
Although this utility model is to describe with reference to specific embodiment, this description and not meaning that is construed as limiting this utility model.With reference to description of the present utility model, other of the disclosed embodiments change, and all can expect for those skilled in the art, and this variation should belong in the affiliated claim institute restricted portion.
Claims (3)
1, a kind of improved infusion unit titrimeter inside exhaust pipe, it is characterized in that exhaustor 2 is installed in dropping funnel 1 intracavity bottom, it is top closure and the hollow pipe of bottom end opening, the endoporus that its base 23 partly or entirely inserts dropping funnel 1 lower, neck end 11 is connected with dropping funnel lower, neck end 11, and be communicated with transfusion device downcomer 3, have a gas-liquid channel 22 that connects with transfusion device downcomer 3 on the tube wall 21 of exhaustor 2 at least, the connected mode of exhaustor 2 and transfusion device downcomer 3 is that the link of transfusion device downcomer 3 inserts the endoporus 24 that is installed in exhaustor base 23.
2, a kind of improved infusion unit titrimeter inside exhaust pipe according to claim 1 is characterized in that exhaustor 2 stretches into the effective length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height.
3, a kind of improved infusion unit titrimeter inside exhaust pipe according to claim 1, the transverse width of gas-liquid channel 22 that it is characterized in that exhaustor 2 is between 0.3mm to 0.8mm, and the bottom of gas-liquid channel 22 is higher than dropping funnel 1 inner chamber bottom 1mm at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202048185U CN201324408Y (en) | 2008-12-04 | 2008-12-04 | Improved exhaust pipe in infusion set funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202048185U CN201324408Y (en) | 2008-12-04 | 2008-12-04 | Improved exhaust pipe in infusion set funnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201324408Y true CN201324408Y (en) | 2009-10-14 |
Family
ID=41176387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202048185U Expired - Fee Related CN201324408Y (en) | 2008-12-04 | 2008-12-04 | Improved exhaust pipe in infusion set funnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201324408Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843936A (en) * | 2010-05-29 | 2010-09-29 | 郭建平 | Automatic exhaust self-destruction disposable intravenous infusion set |
| CN102233147A (en) * | 2010-04-30 | 2011-11-09 | 王志 | Murphy's dropper with self-bleeding device |
| CN101745164B (en) * | 2009-12-21 | 2012-01-11 | 姚力芝 | Transfusion drip tube |
| WO2014000494A1 (en) * | 2012-06-26 | 2014-01-03 | 电白县康尔美生物科技有限公司 | Self-stopping type precision filter infusion apparatus capable of preventing blood return |
-
2008
- 2008-12-04 CN CNU2008202048185U patent/CN201324408Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745164B (en) * | 2009-12-21 | 2012-01-11 | 姚力芝 | Transfusion drip tube |
| CN102233147A (en) * | 2010-04-30 | 2011-11-09 | 王志 | Murphy's dropper with self-bleeding device |
| CN101843936A (en) * | 2010-05-29 | 2010-09-29 | 郭建平 | Automatic exhaust self-destruction disposable intravenous infusion set |
| WO2014000494A1 (en) * | 2012-06-26 | 2014-01-03 | 电白县康尔美生物科技有限公司 | Self-stopping type precision filter infusion apparatus capable of preventing blood return |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20131204 |