CN2910233Y - Dual-chamber dropping funnel for transfusion system - Google Patents
Dual-chamber dropping funnel for transfusion system Download PDFInfo
- Publication number
- CN2910233Y CN2910233Y CN 200620043809 CN200620043809U CN2910233Y CN 2910233 Y CN2910233 Y CN 2910233Y CN 200620043809 CN200620043809 CN 200620043809 CN 200620043809 U CN200620043809 U CN 200620043809U CN 2910233 Y CN2910233 Y CN 2910233Y
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- CN
- China
- Prior art keywords
- dropping funnel
- kettle
- cavity
- funnel kettle
- dropper
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- Expired - Fee Related
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Abstract
The utility model discloses a dual-chamber dropping funnel for transfusion system, which comprises a dropping funnel kettle, a dropper arranged in the dropping funnel kettle and a filter, wherein, the dropper is arranged at the middle part of the dropping funnel kettle and hermetically connected with the inner wall of it and separates the intracavity of the dropping funnel kettle into a upper cavity and an lower cavity as an extrusion cavity; the filer is disposed in the upper cavity of the dropping funnel kettle. Through adoption of the technical proposal of the utility model, during blood transfusion, user, in order to ensure the flow rate of twenty drops of each 1 ml liquid medicine, can repeatedly pinch the outerwall of the lower cavity of the dropping funnel kettle to push upward the pressure therein so as to scatter the impurity accumulated at the filter in the upper cavity of the dropping funnel kettle and make the filter smooth, thereby guaranteeing dropper dropping rate and blood purifying degree and preventing impurity from flowing into human body.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of double-cavity drop funnel that is used on the transfusion device.
Background technology
Existing medical Transfusion device comprises needle for inserting bottle, flexible pipe, dropping funnel, flow regulator and venoclysis needle etc., needle for inserting bottle is by hose connection upper end to the dropping funnel kettle, the dropping funnel (see figure 1) is made up of dropping funnel kettle 1 and the dropper 2 and the filter 3 that are arranged in the dropping funnel kettle 1, dropping funnel kettle 1 generally expects with injection moulding or plastic uptake by PVC and extrudes down skill and make to have certain elasticity; Dropper 2 is positioned at the upper end of dropping funnel kettle 1, and dropper 2 oozes 20 drops physic liquors and is about 1ml; Filter 3 is positioned at the bottom of dropping funnel kettle 1, and it is blocked in the impurity in the medicinal liquid on the filter and can cleans medicinal liquid.But, impurity in the medicinal liquid can be in infusion process blocking filter 3, influence transfusion speed even blocking-up medical filtration, what take usually in clinical is to pinch the perisporium of dropping funnel kettle 1 back and forth in method, to inflation in the dropping funnel kettle 1 its pressure is increased, to guarantee finishing smoothly of infusion process.But because the construction features of existing dropping funnel, under the effect of squeeze pressure, this method but makes impurity see through filter screen with medicinal liquid easily and flows into human body, influences injection quality.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of double-cavity drop funnel that is used on the transfusion device is provided, and it can be guaranteed quality of liquid medicine and make finishing smoothly of infusion process.
The purpose of this utility model is achieved by following technical scheme, a kind of double-cavity drop funnel that is used on the transfusion device, comprise the dropping funnel kettle, be arranged on dropper and filter in the dropping funnel kettle, wherein, described dropper is positioned at the middle part of dropping funnel kettle and is connected with the inner wall sealing of dropping funnel kettle and dropping funnel kettle inner chamber is divided into epicoele and as the cavity of resorption of extrusion chamber, described filter is arranged in the epicoele of dropping funnel kettle.
The above-mentioned double-cavity drop funnel that is used on the transfusion device, wherein, the epicoele of described dropping funnel kettle and the length ratio of cavity of resorption are 0.9～1.2: 1.
The above-mentioned double-cavity drop funnel that is used on the transfusion device, wherein, described dropper is a funnel-form, it is to connect by hot pressing that its inner wall sealing with the dropping funnel kettle is connected.
The above-mentioned double-cavity drop funnel that is used on the transfusion device, wherein, described filter is a web plate.
Owing to adopted the technical solution of the utility model, in infusion process, for guaranteeing the flow of 20 of the per 1 milliliter of medicine liquid droplets of dropper, can pinch the perisporium of dropping funnel kettle cavity of resorption back and forth, the pressure of dropping funnel kettle cavity of resorption is upwards pushed away, the impurity that is deposited on the filter will be broken up by intracavity on the dropping funnel kettle, make filter unimpeded, thereby guarantee dropper amount of dripping and medicinal liquid cleanliness factor, make impurity can not flow into human body.
Description of drawings
Fig. 1 is the structural representation that is used for the dropping funnel on the transfusion device of prior art;
Fig. 2 is the structural representation that is used for the double-cavity drop funnel on the transfusion device of the present utility model.
The specific embodiment
See also Fig. 2, the double-cavity drop funnel that is used on the transfusion device of the present utility model comprises dropping funnel kettle 1, dropper 2 and filter 3, wherein, dropping funnel kettle 1 is generally made with injection moulding or plastic uptake and expressing technique by PVC material, dropper 2 is positioned at the middle part of dropping funnel kettle 1 and is connected with the inner wall sealing of dropping funnel kettle 1 and dropping funnel kettle 1 inner chamber is divided into epicoele 11 and cavity of resorption 12, cavity of resorption 12 is as extrusion chamber, the epicoele 11 of dropping funnel kettle 1 is 0.9～1.2: 1 with the length ratio of cavity of resorption 12, dropper 2 preferably is positioned at the length center of dropping funnel kettle 1, this dropper 2 is a funnel-form, and it is to connect by hot pressing that its inner wall sealing with dropping funnel kettle 1 is connected.
Described filter 3 is arranged in the epicoele 11 of dropping funnel kettle 1, and it is a screen pack.
Owing to adopted the technical solution of the utility model, in the blood transfusion process, for guaranteeing that filter screen does not get clogged and dropper 32 oozes the flow that 20 drops physic liquors are about 1ml, can pinch the perisporium of dropping funnel kettle cavity of resorption 12 back and forth, the pressure of dropping funnel kettle cavity of resorption 12 is upwards pushed away, the impurity that is deposited on the filter 3 will be broken up in the epicoele 11 of dropping funnel kettle 1, make filter 3 unimpeded, thereby guarantee 2 amounts of dropper and medicinal liquid cleanliness factor, make impurity can not flow into human body.
Above embodiment is only for the usefulness that this utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. double-cavity drop funnel that is used on the transfusion device, comprise the dropping funnel kettle, be arranged on dropper and filter in the dropping funnel kettle, it is characterized in that, described dropper is positioned at the middle part of dropping funnel kettle and is connected with the inner wall sealing of dropping funnel kettle and dropping funnel kettle inner chamber is divided into epicoele and as the cavity of resorption of extrusion chamber, described filter is arranged in the epicoele of dropping funnel kettle.
2. the double-cavity drop funnel that is used on the transfusion device according to claim 1 is characterized in that, the epicoele of described dropping funnel kettle and the length ratio of cavity of resorption are 0.9～1.2: 1.
3. the double-cavity drop funnel that is used on the transfusion device according to claim 1 is characterized in that, described dropper is a funnel-form, and it is to connect by hot pressing that its inner wall sealing with the dropping funnel kettle is connected.
4. the double-cavity drop funnel that is used on the transfusion device according to claim 1 is characterized in that, described filter is a web plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043809 CN2910233Y (en) | 2006-07-11 | 2006-07-11 | Dual-chamber dropping funnel for transfusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043809 CN2910233Y (en) | 2006-07-11 | 2006-07-11 | Dual-chamber dropping funnel for transfusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2910233Y true CN2910233Y (en) | 2007-06-13 |
Family
ID=38132099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620043809 Expired - Fee Related CN2910233Y (en) | 2006-07-11 | 2006-07-11 | Dual-chamber dropping funnel for transfusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2910233Y (en) |
-
2006
- 2006-07-11 CN CN 200620043809 patent/CN2910233Y/en not_active Expired - Fee Related
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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: 20070613 |