CN201603212U - Automatic exhaust infusion set - Google Patents
Automatic exhaust infusion set Download PDFInfo
- Publication number
- CN201603212U CN201603212U CN2009202636957U CN200920263695U CN201603212U CN 201603212 U CN201603212 U CN 201603212U CN 2009202636957 U CN2009202636957 U CN 2009202636957U CN 200920263695 U CN200920263695 U CN 200920263695U CN 201603212 U CN201603212 U CN 201603212U
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- exhaustor
- dropping funnel
- gas
- automatic
- liquid channel
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Abstract
The utility model relates to the technical field of medical devices, in particular to an automatic exhaust infusion set which is characterized in that an exhaust pipe is mounted at the lower end of an inner cavity of a dropping funnel, a base is arranged at the lower end of the exhaust pipe, the exhaust pipe extends into an inner hole at the neck part of the lower end of the inner cavity of the dropping funnel and leads the base of the exhaust pipe to be connected with the inner hole, the top part of the exhaust pipe is semi-closed, a guide pipe of the infusion set extends into the inner hole of the base of the exhaust pipe and is communicated with the inner hole, the structure can avoid the problem of producing bubbles due to liquid impact and hiding the bubbles in the guide pipe when exhausting and really realizing the automatic exhaust function of the infusion set without manual intervention.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of automatic-exhaust transfusion device.
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, 200820204818.5 1 kinds of improved infusion unit titrimeter inside exhaust pipes of Chinese patent ZL have also proposed improvement project, the former 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 because technologic limitation, cause easily the risk that is advanced into human body under 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 improvement project that the latter proposes then can handle the former because the performance deficiency of the built-in bubble of exhaustor and conduit junction, but the exhaustor of its proposition " top closure " design then still can't be handled the built-in bubble in exhaustor top descending performance deficiency when aerofluxus fast, still lacks practicality on using.
The utility model content
The purpose of this utility model is the problem at above-mentioned existence, provide a kind of rational in infrastructure, can need not manually to intervene can effective aerofluxus, and really realizes being advanced under the noresidue bubble automatic-exhaust transfusion device of the risk of human body.
The technical solution of the utility model is achieved in that a kind of automatic-exhaust transfusion device, comprise dropping funnel 1, dropper 12, exhaustor 2, conduit 3, it is characterized in that exhaustor 2 is installed in dropping funnel 1 intracavity bottom, at least have a gas-liquid channel 22 on the tube wall 21, there is a base 23 lower end of exhaustor 2, base 23 endoporus local or that all stretch into dropping funnel 1 lower, neck end 11 is connected with dropping funnel lower, neck end 11, and the endoporus 24 that the link of conduit 3 stretches into exhaustor base 23 is attached thereto.
Described exhaustor 2 is hollow pipes of bottom end opening, and gas-liquid channel 22 connects with the inner chamber of exhaustor 2, and the inner chamber of exhaustor 2 and conduit 3 are communicated with, and the inner chamber of dropping funnel 1 is communicated with conduit 3 through the gas-liquid channel 22 of exhaustor 2.The top 26 of described exhaustor 2 is for being extended and run through the semi-closed configuration of top 26 sidewalls to top 26 by gas-liquid channel 22 formed notch on tube wall 21.
Wherein, described exhaustor 2 stretches into the length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height, and the gas-liquid channel 22 on exhaustor 2 tube walls 21 is when being rectangular form, its transverse width is between 0.3mm to 0.8mm, vertically can be the multistage shape of successive strip or separation, the bottom of gas-liquid channel 22 is higher than dropping funnel 1 inner chamber bottom 1mm at least.
Medicinal liquid under action of gravity when dropper 12 enters dropping funnel 1, 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 bore passages that can't enter exhaustor 2 immediately in the dropping funnel 1, 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 the conduit 3 of transfusion device 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, himself gravity overcame that surface molecular is tensile to be stopped, and enters gas-liquid channel 22, comes downwards to through conduit 3 and finishes aerofluxus.
Wherein, because the bottom of gas-liquid channel 22 is higher than dropping funnel 1 inner chamber bottom 1mm at least, and the transverse width of the gas-liquid channel 22 on exhaustor 2 tube walls 21 is between 0.3mm to 0.8mm, make medicinal liquid when entering dropping funnel 1, can not enter exhaustor 2 and gas-liquid mixed because of the turbulent flow that water impact produces, and the horizontal data of gas-liquid channel 22 can guarantee that exhaustor 2 has suitable resistance, again because exhaustor 2 stretches into the length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height, make that under both combineds effect above-mentioned medicinal liquid accumulation is finished smoothly, thereby realized the automatic vent process under weight-driven, also finished simultaneously need not the manual squeezing dropping funnel and can reach liquid level needs in the suitable dropping funnel.
The top 26 of described exhaustor 2 is for being extended and run through the semi-closed configuration of top 26 sidewalls to top 26 by gas-liquid channel 22 formed notch on tube wall 21, such configuration is when medicinal liquid enters gas-liquid channel 22, for the air that is built in exhaustor 2 inner chambers provides the passage that escapes, help medicinal liquid to be full of the inner chamber of exhaustor 2 as early as possible, make exhaustor 2 tops 26 can prevent that hydraulic shock from can effectively eliminate the air that is built in the exhaustor 2 again, avoid causing risk.
And catheter of transfusion system 3 to be to stretch into the frame mode of exhaustor base 23 endoporus 24, avoids path to form step, 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.
Automatic-exhaust transfusion device provided by the utility model, it 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 characteristic cross-sectional view according to the automatic-exhaust transfusion device that the utility model proposes.
Fig. 2 is the generalized section according to the exhaustor that the utility model proposes.
Fig. 3 is that A-A according to the exhaustor top 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, medicinal liquid under action of gravity when dropper 12 enters dropping funnel 1, 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 preferably is arranged to the wide elongated slots 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, himself gravity overcame that surface molecular is tensile to be stopped, and entered gas-liquid channel 22, came downwards to through catheter of transfusion system 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 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 catheter of transfusion system 3.And exhaustor 2 stretches into the setting of the length of dropping funnel 1 part more than or equal to 1/2 dropping funnel, 1 inner chamber height, guaranteed in the aerofluxus overall process, when medicinal liquid enters gas-liquid channel 22, and make the air section that is built in the exhaustor 2 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, simultaneously, the top 26 of described exhaustor 2 is for being extended and run through the semi-closed configuration of top 26 sidewalls to top 26 by gas-liquid channel 22 formed notch on tube wall 21, when not being with transfusion needle aerofluxus medicinal liquid to fill dropping funnel fast and may flooding exhaustor, utilize the characteristic of air specific weight much smaller than medicinal liquid, also provide the passage that escapes for the air that is built in exhaustor 2 inner chambers, the air of successfully overflowing, avoiding being left behind by descending medicinal liquid fast enters human body.Both combinations make exhaustor 2 can prevent that the top hydraulic shock from producing bubble and can effectively eliminate the air that is built in the exhaustor 2 again, avoid causing risk.Above-mentioned structure the thorough descending possibility of bubble built-in in the exhaustor 2 of having eliminated is set, make exhaustor 2 really reach perfect automatic vent performance.
And the conduit 3 of transfusion device is with the frame mode of the endoporus 24 that stretches into exhaustor base 23, 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 (6)
1. automatic-exhaust transfusion device, comprise dropping funnel (1), dropper (12), exhaustor (2), conduit (3), it is characterized in that dropping funnel (1) intracavity bottom is provided with an exhaustor (2), at least have a gas-liquid channel (22) on its tube wall (21), there is a base (23) lower end of exhaustor (2), base (23) endoporus local or that all stretch into dropping funnel (1) lower, neck end (11) is connected with dropping funnel lower, neck end (11), and the endoporus (24) that the link of conduit (3) stretches into exhaustor base (23) is attached thereto.
2. automatic-exhaust transfusion device according to claim 1, it is characterized in that described exhaustor (2) is the hollow pipe of bottom end opening, its top (26) shape is to go up formed notch extends and run through top (26) sidewall to top (26) semi-closed configuration by gas-liquid channel (22) at tube wall (21), or its top (26) structure is a bending shape, the terminal lateral deviation top (26) of its bending centrage opening, top (26) and pipe shaft (24) can be as a whole or be formed by two isolating combination of components.
3. automatic-exhaust transfusion device according to claim 1, it is characterized in that the inner chamber perforation of gas-liquid channel (22) with the exhaustor (2) of described exhaustor (2), the inner chamber of exhaustor (2) and conduit (3) are communicated with, and the inner chamber of dropping funnel (1) is communicated with conduit (3) through the gas-liquid channel (22) of exhaustor (2).
4. automatic-exhaust transfusion device according to claim 1, the base (23) that it is characterized in that described exhaustor (2) and pipe shaft (24) can be as a whole or be formed by two isolating combination of components.
5. automatic-exhaust transfusion device according to claim 1 is characterized in that described exhaustor (2) stretches into the length of dropping funnel (1) part more than or equal to 1/2 dropping funnel (1) inner chamber height.
6. automatic-exhaust transfusion device according to claim 1, the gas-liquid channel (22) that it is characterized in that described exhaustor (2) can be arbitrary shape, its transverse width is between the 0.3mm to 0.8mm during for strip notch configuration, vertically can be the multistage shape of successive strip or separation, 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 |
|---|---|---|---|
| CN2009202636957U CN201603212U (en) | 2009-11-30 | 2009-11-30 | Automatic exhaust infusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202636957U CN201603212U (en) | 2009-11-30 | 2009-11-30 | Automatic exhaust infusion set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201603212U true CN201603212U (en) | 2010-10-13 |
Family
ID=42947920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202636957U Expired - Fee Related CN201603212U (en) | 2009-11-30 | 2009-11-30 | Automatic exhaust infusion set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201603212U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441203A (en) * | 2011-12-20 | 2012-05-09 | 邹小珍 | Automatic exhaust device for infusion apparatus |
| CN102512723A (en) * | 2011-08-04 | 2012-06-27 | 山东新华安得医疗用品有限公司 | Self-exhaust and bubble-proof transfusion apparatus |
| CN102553014A (en) * | 2011-11-28 | 2012-07-11 | 上海宝舜医疗器械有限公司 | Automatic non-return drip chamber with automatic exhaust function |
| CN104941024A (en) * | 2015-06-27 | 2015-09-30 | 戎静华 | Automatic air-exhaust liquid-stopping anti-coagulation transfusion device with speed measuring tube |
-
2009
- 2009-11-30 CN CN2009202636957U patent/CN201603212U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512723A (en) * | 2011-08-04 | 2012-06-27 | 山东新华安得医疗用品有限公司 | Self-exhaust and bubble-proof transfusion apparatus |
| CN102553014A (en) * | 2011-11-28 | 2012-07-11 | 上海宝舜医疗器械有限公司 | Automatic non-return drip chamber with automatic exhaust function |
| CN102441203A (en) * | 2011-12-20 | 2012-05-09 | 邹小珍 | Automatic exhaust device for infusion apparatus |
| CN104941024A (en) * | 2015-06-27 | 2015-09-30 | 戎静华 | Automatic air-exhaust liquid-stopping anti-coagulation transfusion device with speed measuring tube |
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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: 20101013 Termination date: 20121130 |