CN203001543U - Membrane-clamping blood-return-prevention infusion set - Google Patents
Membrane-clamping blood-return-prevention infusion set Download PDFInfo
- Publication number
- CN203001543U CN203001543U CN 201220514735 CN201220514735U CN203001543U CN 203001543 U CN203001543 U CN 203001543U CN 201220514735 CN201220514735 CN 201220514735 CN 201220514735 U CN201220514735 U CN 201220514735U CN 203001543 U CN203001543 U CN 203001543U
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- return
- pipe
- liquid medicine
- liquid
- blood
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Abstract
The utility model relates to a membrane-clamping blood-return-prevention infusion set which comprises a dripping bucket, a liquid medicine filter and a downcomer pipe. The liquid medicine filter is a base of the dripping bucket, and an upper cover of the liquid medicine filter is upwards provided with an air exhaust pipe and an infusion pipe and downwards provided with a blood-return-prevention pipe. A connecting pipe of a lower cover of the liquid medicine filter is upwards stretched into the lower cover, the top end of the connecting pipe is sealed, the lateral side of the connecting pipe is provided with a groove, and the lower end of the connecting pipe is connected with the downcomer pipe. The lower opening of the blood-return-prevention pipe and a top board sealing the connecting pipe tightly clamp a liquid stop filtering membrane, residual liquid only can slightly permeate into the liquid stop filtering membrane through the blood-return-prevention pipe, and the lasting blood-return-prevention function is achieved. Meanwhile, the membrane-clamping blood-return-prevention infusion set has the functions of automatic air exhaust, automatic liquid stop and blood return prevention.
Description
Technical field
This utility model relates to a kind of transfusion device, particularly relates to a kind of folder film blood return preventing infusion device.
Technical background
Existing disposable infusion set is totally lost and is just had blood backflow as untimely processing when medicinal liquid when clinical use, forms thrombosis and causes obstruction, and not only impact continues transfusion but also can produce harm to human body.
For addressing the above problem, have patent and the product of some blood return preventing infusion devices.A kind of blood return preventing infusion device is arranged, and in dropping funnel, debris flows into filter membrane through aperture, but the debris in general dropping funnel only has the 1-2 milliliter, will all flow in one minute, does not reach the effect of blood return prevention.In addition, the bubble of filter membrane stored underneath enters downcomer and is difficult to eliminating.
Summary of the invention
The purpose of this utility model is to provide a kind of folder film blood return preventing infusion device, is intended to solve above-mentioned defective.
For solving the problems of the technologies described above, this utility model is to realize by following technical scheme:
This utility model is comprised of dropping funnel, liquid medicine filter and downcomer.Described liquid medicine filter is the base as dropping funnel, and there are an exhaustor and a tube for transfusion arranged side by side in the side of the upper cover of liquid medicine filter, and exhaustor is higher than tube for transfusion.The upper cover of liquid medicine filter has a blood return prevention pipe downwards, and its suitable for reading and dropping funnel communicates, and end opening is in liquid medicine filter.The connecting tube of liquid medicine filter lower cover is upwards stretched in lid, and there is top board sealing its upper end, and the pipe side is other to be had in transfusion notch and liquid medicine filter and communicate, lower end and downcomer connection.The sealing top plate of the end opening of blood return prevention pipe and lower cover connecting tube will stop the liquid filter membrane and clip.The blood return prevention pipe is unrestricted in the position of liquid medicine filter upper cover, clips but must have top board or backing plate and blood return prevention pipe end opening will stop the liquid filter membrane under liquid filter membrane only.
Compared with prior art, the effect that this utility model is useful is: the sealing top plate of blood return prevention pipe end opening and connecting tube will stop the liquid filter membrane and clip, a small amount of residual liquor can only through the blood return prevention pipe and only the liquid filter membrane slowly penetrate into downcomer and keep the trace transfusion and reach lasting blood return prevention effect.Due to the surface tension effects of liquid, could flow into downcomer from notch after the air scavenge in liquid medicine filter, prevent bubble.Exhaustor and tube for transfusion avoid medicinal liquid directly to splash into by the side of upper cover, and the drained liquid later on of gas unnecessary in dropping funnel could reach the automatic vent effect through the tube for transfusion input.So the utlity model has automatic vent, without bubble, liquid filter membrane automatic liquid-stopping only, the effect of lasting blood return prevention.
Description of drawings
Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.
Fig. 1 is the profile according to the folder film blood return preventing infusion device that the utility model proposes.
The specific embodiment
Illustrate according to details and the working condition that the utility model proposes below in conjunction with Fig. 1.
Fig. 1 is folder film blood return preventing infusion device.It is comprised of dropping funnel (2) liquid medicine filter (1) and downcomer (10).Liquid medicine filter (1) is the base of dropping funnel (2), the upper cover of liquid medicine filter (3) has a blood return prevention pipe (4) downwards, an exhaustor (8) and a tube for transfusion (7) are upwards arranged, liquid medicine filter lower cover (5) has a connecting tube (6), its top has notch (a 9) lower end and downcomer (10) to connect, and the end opening (12) of the sealing top plate of upper end (13) and blood return prevention pipe (4) will stop liquid filter membrane (11) and clip.
Take Fig. 1 as example, when medicinal liquid enter dropping funnel (2) in dropping funnel unnecessary gas medicinal liquid after the exhaustor (8) of upper cover is discharged enter liquid medicine filter (1) through tube for transfusion (7), medicinal liquid filters in inflow lower cover (5) through stopping liquid filter membrane (11), the gas medicinal liquid that must get rid of in lower cover due to the tension force effect medicinal liquid of liquid surface could flow into downcomer (10) from notch (9), prevents bubble.Liquid in dropping funnel can not flow down during lower than tube for transfusion (7) suitable for reading becomes debris.At this moment, debris enters only liquid filter membrane (11) through the blood return prevention pipe flow, clip because the top board (13) of the end opening (12) of blood return prevention pipe and connecting tube will stop the liquid filter membrane, medicinal liquid can only enter only liquid filter membrane by microdialysis, reaches the effect of lasting blood return prevention.
Claims (4)
1. one kind presss from both sides the film blood return preventing infusion device, comprise: dropping funnel (2), liquid medicine filter (1), downcomer (10), it is characterized in that: described liquid medicine filter (1) is the base as dropping funnel (2), liquid medicine filter upper cover (3) stretch out downwards one suitable for reading at dropping funnel (2) inner lower mouth (12) the blood return prevention pipe (4) in upper cover (3), top board (13) sealing is arranged at connecting tube (6) top of liquid medicine filter lower cover (5), the end opening (12) of top board and blood return prevention pipe (4) will stop the liquid filter membrane and clip.
2. folder film blood return preventing infusion device according to claim 1 is characterized in that: described blood return prevention pipe (4) can be arranged on the different parts of upper cover (3) but its end opening (12) must be below liquid filter membrane (11) only top board or backing plate will stop liquid filter membrane (11) and clip.
3. folder film blood return preventing infusion device according to claim 1 is characterized in that: the tube for transfusion (7) of described liquid medicine filter upper cover (3) and exhaustor (8) also are listed in the side of upper cover (3).
4. folder film blood return preventing infusion device according to claim 1, it is characterized in that: the other notch (9) that a transfusion is arranged of the side on connecting tube (6) top of described liquid medicine filter lower cover (5), the lower end of connecting tube (6) and downcomer (10) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514735 CN203001543U (en) | 2012-09-13 | 2012-09-13 | Membrane-clamping blood-return-prevention infusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514735 CN203001543U (en) | 2012-09-13 | 2012-09-13 | Membrane-clamping blood-return-prevention infusion set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203001543U true CN203001543U (en) | 2013-06-19 |
Family
ID=48593181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220514735 Expired - Fee Related CN203001543U (en) | 2012-09-13 | 2012-09-13 | Membrane-clamping blood-return-prevention infusion set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203001543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107470A (en) * | 2014-07-25 | 2014-10-22 | 广州永创生物科技有限公司 | Transfusion device having automatic filtering, exhausting, automatic stopping and retarding blood return functions |
-
2012
- 2012-09-13 CN CN 201220514735 patent/CN203001543U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107470A (en) * | 2014-07-25 | 2014-10-22 | 广州永创生物科技有限公司 | Transfusion device having automatic filtering, exhausting, automatic stopping and retarding blood return functions |
| CN104107470B (en) * | 2014-07-25 | 2016-08-24 | 广州永创生物科技有限公司 | A kind of can automatic fitration, aerofluxus, automatic liquid-stopping, delay the infusion set of blood back |
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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: 20130619 Termination date: 20150913 |
|
| EXPY | Termination of patent right or utility model |