CN203555997U - Disposable liquid stopping and flow slowing infusion set - Google Patents
Disposable liquid stopping and flow slowing infusion set Download PDFInfo
- Publication number
- CN203555997U CN203555997U CN201320686380.XU CN201320686380U CN203555997U CN 203555997 U CN203555997 U CN 203555997U CN 201320686380 U CN201320686380 U CN 201320686380U CN 203555997 U CN203555997 U CN 203555997U
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- liquid
- dropping funnel
- groove
- filter
- unhurried current
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Abstract
The utility model discloses a disposable liquid stopping and flow slowing infusion set, which comprises a drip chamber and a liquid stopping device arranged in the drip chamber, wherein the liquid stopping device comprises a liquid stopping membrane; the liquid stopping membrane is attached to the inner wall of the bottom of the drip chamber when working; at least one groove is formed in the inner wall of the bottom of the drip chamber, and comprises an upper port and a lower port; when the liquid stopping membrane is attached to the inner wall of the bottom of the drip chamber, liquid medicine in the drip chamber enters an infusion conduit after sequentially flowing through the upper and lower end ports; the bottom of the drip chamber is mutually communicated with a liquid stopping filter through the infusion conduit. The disposable liquid stopping and flow slowing infusion set provided by the utility model has dual functions of preventing the backflow of blood and automatically stopping the liquid medicine.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of disposable use and stops liquid unhurried current transfusion device.
Background technology
At present, in the infusion process to sick body medical treatment, extensively adopt the transfusion system that there is flow controller and stop liquid control device clinically.
Application number is the only liquid control device that 201010573350.9 utility model discloses a kind of transfusion system.It at least comprises the only liquid parts that can float in dropping funnel; Described only liquid parts and described in enter between liquid portion to be provided with Anti-blocking structure.This utility model adopts said structure, by liquid parts only with enter between liquid portion anti-blockage structure is set, only effectively avoided liquid parts clogging enter liquid portion, cause the generation of the situation that a dropping liquid can not be descending, minimizing medical personnel's troublesome poeration.Compare conventional transfusion system, it,, in operation and in member manufacture, assembly cost, all has the convenience and the economic benefit that greatly improve.
But there is following defect in the transfusion system of this class formation: stop after liquid film sheet automatic liquid-stopping, in conduit and lower dropping funnel, storage has a lot of institute's loading liquid stopping infusion immediately, now the pressure in transfusion catheter can reduce suddenly, and meanwhile blood can be back to transfusion catheter.
Blood backflow is just to complete after a bottle liquid medicine input because of blood vessel, blood vessel expand and pressure is excessive, if only liquid film sheet is fitted with the inwall of this bottom and stopping infusion immediately, can cause transfusion device internal pressure to reduce rapidly, and then blood by vessel flow to transfusion device.
In order to solve blood backflow problem, the patent of publication number 202526683U discloses disposable use and has stopped liquid unhurried current transfusion device, it comprises dropping funnel and lower dropping funnel, the bottom of this lower dropping funnel is connected with transfusion catheter, in this lower dropping funnel, be provided with one and stop liquid device, only liquid device comprises the upper floating ball connecting successively, lower ball float and only liquid film sheet, fit in when only liquid film sheet is worked and this bottom, the inwall of this bottom is provided with at least one groove, this groove comprises a upper port and a lower port, when only the inwall of liquid film sheet and this bottom is fitted, medicinal liquid in this lower dropping funnel is flowed through successively after this upper port and this lower port and is entered this transfusion catheter.
This disposable only liquid unhurried current transfusion device is by being arranged on the groove in lower dropping funnel bottom interior wall, when only the only liquid film sheet of liquid device and the inwall of this bottom are fitted, in lower dropping funnel, residual medicinal liquid can enter from the upper port of groove, from the lower port of groove, slowly flow into transfusion catheter, dripping empty rear air enters supplementary, make the liquid in conduit continue slowly to enter human body, extend medicinal liquid and drip the empty time, anti-return blood.
But the transfusion device of publication number 202526683U can not be at automatic liquid-stopping after unhurried current transfusion, after therefore medicinal liquid easily occurs being totally lost, because of the phenomenon of no supervision input air, threaten now can to patient's health.
Utility model content
The technical problems to be solved in the utility model is can not be in the defect of the rear automatic liquid-stopping of unhurried current transfusion in order to overcome transfusion device of the prior art, provide a kind of disposable use to stop liquid unhurried current transfusion device, this transfusion device not only can overcome blood backflow problem, can also have the advantage of automatic liquid-stopping concurrently.
This utility model solves above-mentioned technical problem by following technical proposals:
A kind of disposable use stops liquid unhurried current transfusion device, it comprises a dropping funnel and is arranged at only liquid device of one in this dropping funnel, only liquid device comprises an only liquid film sheet, the inwall laminating of in the time of should stopping the work of liquid film sheet and the bottom of this dropping funnel, the inwall of this bottom is provided with at least one groove, this groove comprises a upper port and a lower port, when only the inwall of liquid film sheet and this bottom is fitted, medicinal liquid in this dropping funnel is flowed through successively after this upper port and this lower port and is entered this transfusion catheter, its feature is, the bottom of this dropping funnel by transfusion catheter and one only liquid filter be interconnected.
Wherein, this dropping funnel comprises the upper dropping funnel and the lower dropping funnel that are interconnected, only liquid device is arranged in this lower dropping funnel, only liquid device comprises a upper floating ball, the lower ball float connecting successively and should stop liquid film sheet, the inwall laminating of in the time of should stopping the work of liquid film sheet and the bottom of this lower dropping funnel, this groove is arranged on the inwall of bottom of this lower dropping funnel, and the bottom of this lower dropping funnel is stopped liquid filter by transfusion catheter and this and is interconnected.
Wherein, the cross section of this groove is polygon facet, arcwall face or parabola.
Wherein, the upper port of this groove is greater than 0.1 millimeter along the size of cross-sectional direction, and the groove depth of this groove is greater than 0.1 millimeter.
Wherein, only liquid filter comprises a filter seat, one strainer cover and coordinating with this filter seat is folded in the gas barrier film between this filter seat and strainer cover, wherein this filter seat and this gas barrier film form a hermetic seal chamber, below this hermetic seal chamber, by this strainer cover and this gas barrier film, form a liquid sealing chamber; On this strainer cover, be also provided with a feed liquor runner being communicated with this hermetic seal chamber and a fluid runner being communicated with this liquid sealing chamber.
Wherein, on this, the top of dropping funnel is interconnected by conduit and an accurate filter.
A kind of disposable use stops liquid unhurried current transfusion device, it comprises a dropping funnel and is arranged at only liquid device of one in this dropping funnel, only liquid device comprises an only liquid film sheet, the inwall laminating of in the time of should stopping the work of liquid film sheet and the bottom of this dropping funnel, only liquid film sheet is provided with at least one groove with this inwall face bonded to each other, this groove comprises a upper port and a lower port, when only the inwall of liquid film sheet and this bottom is fitted, medicinal liquid in this dropping funnel is flowed through successively after this upper port and this lower port and is entered this transfusion catheter, its feature is, the bottom of this dropping funnel by transfusion catheter and one only liquid filter be interconnected.
Wherein, this dropping funnel comprises the upper dropping funnel and the lower dropping funnel that are interconnected, only liquid device is arranged in this lower dropping funnel, only liquid device comprises a upper floating ball, the lower ball float connecting successively and should stop liquid film sheet, only during the work of liquid film sheet with the inwall laminating of the bottom of this lower dropping funnel, the bottom of this lower dropping funnel by transfusion catheter with should stop liquid filter and be interconnected.
Wherein, the cross section of this groove is polygon facet, arcwall face or parabola.
Wherein, the upper port of this groove is greater than 0.1 millimeter along the size of cross-sectional direction, and the groove depth of this groove is greater than 0.1 millimeter.The upper port size of groove is greater than 0.1 millimeter, can make liquid slowly flow out, and the time of abundant balance internal blood vessel pressure can be provided, and reaches preferably haemostatic effect.
Wherein, only liquid filter comprises a filter seat, one strainer cover and coordinating with this filter seat is folded in the gas barrier film between this filter seat and strainer cover, wherein this filter seat and this gas barrier film form a hermetic seal chamber, below this hermetic seal chamber, by this strainer cover and this gas barrier film, form a liquid sealing chamber; On this strainer cover, be also provided with a feed liquor runner being communicated with this hermetic seal chamber and a fluid runner being communicated with this liquid sealing chamber.
Wherein, on this, the top of dropping funnel is interconnected by conduit and an accurate filter.Accurate filter not only can be removed particulate matter, and the effectively air in emptying liquid avoids air with the logical input human vas of liquid one, has reduced the risk of malpractice.
Positive progressive effect of the present utility model is: disposable only liquid unhurried current transfusion device of the present utility model is by being arranged on the groove in lower dropping funnel bottom interior wall, when only the only liquid film sheet of liquid device and the inwall of this bottom are fitted, in lower dropping funnel, residual medicinal liquid can enter from the upper port of groove, from the lower port of groove, slowly flow into transfusion catheter, dripping empty rear air enters supplementary, make the liquid in conduit continue slowly to enter human body, extend medicinal liquid and drip the empty time, anti-return blood, when medicinal liquid reduces to end liquid filter, only liquid filter can form gas-liquid separation interface, automatically stop dropping liquid.
Accompanying drawing explanation
Fig. 1 is that the disposable use in a preferred embodiment of the present utility model stops the structural representation of liquid unhurried current transfusion device when normal infusion.
Fig. 2 be the disposable use in Fig. 1 stop liquid unhurried current transfusion device when normal infusion on the structural representation at dropping funnel and lower dropping funnel place.
Fig. 3 is that the disposable use in a preferred embodiment of the present utility model stops the structural representation of liquid unhurried current transfusion device when stopping liquid.
Fig. 4 be disposable use of the present utility model stop liquid unhurried current transfusion device when liquid only on the structural representation at dropping funnel and lower dropping funnel place.
Fig. 5 is the A portion enlarged drawing in Fig. 4.
Fig. 6 is the B portion enlarged drawing in Fig. 4.
Fig. 7 is the front view that disposable use of the present utility model stops the groove of liquid unhurried current transfusion device.
Fig. 8 is the C portion enlarged drawing in Fig. 7.
Fig. 9 is the only front view of liquid filter that disposable use of the present utility model stops liquid unhurried current transfusion device.
Description of reference numerals:
Accurate filter: 1 conduit: 2
Dropping funnel: 3 transfusion catheters: 4
Only liquid filter: dropping funnel on 5: 31
Lower dropping funnel: 32 stop liquid film sheet: 33
Groove: 34 upper port: 341
Lower port: 342 feed liquor runners: 51
Strainer cover: 52 hermetic seal chambeies: 53
Gas barrier film: 54 liquid sealing chambeies: 55
The specific embodiment
Below in conjunction with accompanying drawing, provide this utility model preferred embodiment, to describe the technical solution of the utility model in detail.
The structure that the disposable use of the present embodiment stops liquid unhurried current transfusion device is as follows:
Incorporated by reference to Fig. 1-4, understood, the disposable use in the present embodiment stops liquid unhurried current transfusion device and comprises only liquid filter 5 of the accurate filter 1 that is connected successively, conduit 2, dropping funnel 3, transfusion catheter 4 and.
This dropping funnel 3 comprises dropping funnel 31 and lower dropping funnel 32, on this, the top of dropping funnel 31 specifically please refer to the patent of publication number 103157154A by conduit 2 and the structure of accurate filter 1(accurate filter) be interconnected, in this lower dropping funnel 32, be provided with one and stop liquid device, only liquid device comprises the upper floating ball connecting successively, lower ball float and only liquid film sheet 33, when only liquid film sheet 33 is worked, fit with the inwall of the bottom of this lower dropping funnel 32, the inwall of this bottom is provided with at least one groove 34, incorporated by reference to Fig. 5-8, understood, this groove 34 comprises a upper port 341 and a lower port 342, the cross section of this upper port 341 is greater than the cross section of this lower port 342, during actual production, the identical unhurried current effect that also can realize of cross section of the cross section of this upper port 341 and this lower port 342, when only liquid film sheet 33 is fitted with the inwall of this bottom, medicinal liquid in this lower dropping funnel 32 is flowed through successively after this upper port 341 and this lower port 342 and is entered this transfusion catheter 4.The cross section of this groove 34 is polygon, circular arc or parabola shaped.The upper port 341 of this groove is greater than 0.1 millimeter along the size of cross-sectional direction, and the groove depth of this groove is greater than 0.1 millimeter.
Incorporated by reference to Fig. 9, understood, only liquid filter 5 comprises a filter seat 56, one strainer cover 52 and coordinating with this filter seat 56 is folded in the gas barrier film 54 between this filter seat 56 and strainer cover 52, wherein this filter seat 56 and this gas barrier film 54 form a hermetic seal chamber 53, below this hermetic seal chamber 53, by this strainer cover 52 and this gas barrier film 54, form a liquid sealing chamber 55; On this strainer cover 52, be also provided with a feed liquor runner 51 being communicated with this hermetic seal chamber 53 and a fluid runner 57 being communicated with this liquid sealing chamber 55.
The use principle that the disposable use of the present embodiment stops liquid unhurried current transfusion device is as follows:
During normal infusion, incorporated by reference to Fig. 1, understood, medicinal liquid passes through successively accurate filter 1, conduit 2, dropping funnel 3, transfusion catheter 4 and stops liquid filter 5, and with constant flow output medicinal liquid.
When only the only liquid film sheet of liquid device and the inwall of this bottom are fitted, transfusion device is in slow flow velocity transfusion state, please in conjunction with Fig. 4 and Fig. 5, be understood simultaneously, in lower dropping funnel, residual medicinal liquid can enter from the upper port of groove 341, from the lower port 342 of groove, slowly flow into transfusion catheter 4, dripping empty rear air enters supplementary, make the liquid in conduit continue slowly to enter human body, extend medicinal liquid and drip the empty time, human vas is heated up gradually, when medicinal liquid reduces to end liquid filter, this gas barrier film place can form gas-liquid separation interface, automatically stop dropping liquid, the now internal blood vessel pressure state that restored balance, therefore the transfusion device of the present embodiment can be realized anti-return blood and automatically stop the dual-use function of dropping liquid.
The disposable use of the present embodiment stops liquid unhurried current transfusion device and has following technique effect:
The first, have the dual-use function that prevents blood backflow and automatic liquid-stopping concurrently, this groove can extend medicinal liquid and drip the empty time, realizes unhurried current transfusion and anti-return blood; When medicinal liquid reduces to end liquid filter, only liquid filter can form gas-liquid separation interface, automatically stops dropping liquid.
The second, can remove particulate matter, the pore size filter of the filter film of this accurate filter is 5～0.2 microns, not only can remove particulate matter, effectively the air in emptying liquid, avoid air with the logical input human vas of liquid one, reduced the risk of malpractice.
The disposable use of the present embodiment stops liquid unhurried current transfusion device can adopt improvement structure:
Those grooves can also be arranged at this only on liquid film sheet, specifically go up, those grooves can also be arranged at that this stops liquid film sheet with this inwall face bonded to each other on.
In addition, accurate filter and only liquid filter are also not limited to above-mentioned concrete structure, the accurate filter of other structure and only liquid filter also can be used, in addition also can all use up and down accurate filter, as long as keep upper accurate filter to realize the function of filtering solid particles, lower accurate filter is realized only liquid filtering function.
Although more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.
Claims (12)
1. a disposable use stops liquid unhurried current transfusion device, it comprises a dropping funnel and is arranged at only liquid device of one in this dropping funnel, only liquid device comprises an only liquid film sheet, the inwall laminating of in the time of should stopping the work of liquid film sheet and the bottom of this dropping funnel, the inwall of this bottom is provided with at least one groove, this groove comprises a upper port and a lower port, when only the inwall of liquid film sheet and this bottom is fitted, medicinal liquid in this dropping funnel is flowed through successively after this upper port and this lower port and is entered this transfusion catheter, it is characterized in that, the bottom of this dropping funnel by transfusion catheter and one only liquid filter be interconnected.
2. disposable use as claimed in claim 1 stops liquid unhurried current transfusion device, it is characterized in that, this dropping funnel comprises the upper dropping funnel and the lower dropping funnel that are interconnected, only liquid device is arranged in this lower dropping funnel, only liquid device comprises a upper floating ball, the lower ball float connecting successively and should stop liquid film sheet, the inwall laminating of in the time of should stopping the work of liquid film sheet and the bottom of this lower dropping funnel, this groove is arranged on the inwall of bottom of this lower dropping funnel, and the bottom of this lower dropping funnel is stopped liquid filter by transfusion catheter and this and is interconnected.
3. disposable use as claimed in claim 1 stops liquid unhurried current transfusion device, it is characterized in that, the cross section of this groove is polygon facet, arcwall face or parabola.
4. disposable use as claimed in claim 1 stops liquid unhurried current transfusion device, it is characterized in that, the upper port of this groove is greater than 0.1 millimeter along the size of cross-sectional direction, and the groove depth of this groove is greater than 0.1 millimeter.
5. the disposable use as described in any one in claim 1-4 stops liquid unhurried current transfusion device, it is characterized in that, only liquid filter comprises a filter seat, one strainer cover and coordinating with this filter seat is folded in the gas barrier film between this filter seat and strainer cover, wherein this filter seat and this gas barrier film form a hermetic seal chamber, below this hermetic seal chamber, by this strainer cover and this gas barrier film, form a liquid sealing chamber; On this strainer cover, be also provided with a feed liquor runner being communicated with this hermetic seal chamber and a fluid runner being communicated with this liquid sealing chamber.
6. disposable use as claimed in claim 2 stops liquid unhurried current transfusion device, it is characterized in that, on this, the top of dropping funnel is interconnected by conduit and an accurate filter.
7. a disposable use stops liquid unhurried current transfusion device, it comprises a dropping funnel and is arranged at only liquid device of one in this dropping funnel, only liquid device comprises an only liquid film sheet, the inwall laminating of in the time of should stopping the work of liquid film sheet and the bottom of this dropping funnel, only liquid film sheet is provided with at least one groove with this inwall face bonded to each other, this groove comprises a upper port and a lower port, when only the inwall of liquid film sheet and this bottom is fitted, medicinal liquid in this dropping funnel is flowed through successively after this upper port and this lower port and is entered this transfusion catheter, it is characterized in that, the bottom of this dropping funnel by transfusion catheter and one only liquid filter be interconnected.
8. disposable use as claimed in claim 7 stops liquid unhurried current transfusion device, it is characterized in that, this dropping funnel comprises the upper dropping funnel and the lower dropping funnel that are interconnected, only liquid device is arranged in this lower dropping funnel, only liquid device comprises a upper floating ball, the lower ball float connecting successively and should stop liquid film sheet, only during the work of liquid film sheet with the inwall laminating of the bottom of this lower dropping funnel, the bottom of this lower dropping funnel by transfusion catheter with should stop liquid filter and be interconnected.
9. disposable use as claimed in claim 7 stops liquid unhurried current transfusion device, it is characterized in that, the cross section of this groove is polygon facet, arcwall face or parabola.
10. disposable use as claimed in claim 7 stops liquid unhurried current transfusion device, it is characterized in that, the upper port of this groove is greater than 0.1 millimeter along the size of cross-sectional direction, and the groove depth of this groove is greater than 0.1 millimeter.
11. disposable uses as described in any one in claim 7-10 stop liquid unhurried current transfusion device, it is characterized in that, only liquid filter comprises a filter seat, one strainer cover and coordinating with this filter seat is folded in the gas barrier film between this filter seat and strainer cover, wherein this filter seat and this gas barrier film form a hermetic seal chamber, below this hermetic seal chamber, by this strainer cover and this gas barrier film, form a liquid sealing chamber; On this strainer cover, be also provided with a feed liquor runner being communicated with this hermetic seal chamber and a fluid runner being communicated with this liquid sealing chamber.
12. disposable uses as claimed in claim 8 stop liquid unhurried current transfusion device, it is characterized in that, on this, the top of dropping funnel is interconnected by conduit and an accurate filter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686380.XU CN203555997U (en) | 2013-10-31 | 2013-10-31 | Disposable liquid stopping and flow slowing infusion set |
| PCT/CN2014/083657 WO2015062324A1 (en) | 2013-10-31 | 2014-08-05 | Disposable flow-stop, flow-restriction infuser and flow-stop filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686380.XU CN203555997U (en) | 2013-10-31 | 2013-10-31 | Disposable liquid stopping and flow slowing infusion set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203555997U true CN203555997U (en) | 2014-04-23 |
Family
ID=50505752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320686380.XU Withdrawn - After Issue CN203555997U (en) | 2013-10-31 | 2013-10-31 | Disposable liquid stopping and flow slowing infusion set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203555997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623478A (en) * | 2013-10-31 | 2014-03-12 | 上海金塔医用器材有限公司 | Disposable liquid-stopping and flow-slowing infusion apparatus |
| WO2015062324A1 (en) * | 2013-10-31 | 2015-05-07 | 上海金塔医用器材有限公司 | Disposable flow-stop, flow-restriction infuser and flow-stop filter |
| CN109925565A (en) * | 2019-03-11 | 2019-06-25 | 管健健 | A kind of infusion device with automatic liquid-stopping structure |
-
2013
- 2013-10-31 CN CN201320686380.XU patent/CN203555997U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623478A (en) * | 2013-10-31 | 2014-03-12 | 上海金塔医用器材有限公司 | Disposable liquid-stopping and flow-slowing infusion apparatus |
| WO2015062324A1 (en) * | 2013-10-31 | 2015-05-07 | 上海金塔医用器材有限公司 | Disposable flow-stop, flow-restriction infuser and flow-stop filter |
| CN109925565A (en) * | 2019-03-11 | 2019-06-25 | 管健健 | A kind of infusion device with automatic liquid-stopping structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140423 Effective date of abandoning: 20150304 |
|
| RGAV | Abandon patent right to avoid regrant |