CN201871071U - Ultra-filtering transfusion device - Google Patents
Ultra-filtering transfusion device Download PDFInfo
- Publication number
- CN201871071U CN201871071U CN2010206080717U CN201020608071U CN201871071U CN 201871071 U CN201871071 U CN 201871071U CN 2010206080717 U CN2010206080717 U CN 2010206080717U CN 201020608071 U CN201020608071 U CN 201020608071U CN 201871071 U CN201871071 U CN 201871071U
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- Prior art keywords
- transfusion
- flow regulator
- dropping funnel
- infusion
- filter
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Abstract
The utility model relates to an ultra-filtering transfusion device, which belongs to the field of medical apparatus and instruments and comprises a bottle stopper puncturing device, a dropping funnel, a flow regulator and a cone connector, wherein the bottle stopper puncturing device, the dropping funnel, the flow regulator and the cone connector are connected in sequence through a transfusion tube. The ultra-filtering transfusion device is characterized in that an ultrafilter is arranged on the transfusion tube between the dropping funnel and the flow regulator. Due to the fact that the ultrafilter is arranged on the transfusion tube between the dropping funnel and the flow regulator, dropping liquid produced from a transfusion needle tip can be prevented only when the bottle stopper puncturing device is inserted into a transfusion bottle and the flow regulator is turned off after the air is exhausted, and venipuncture can be performed safely and conveniently. When a plurality of bottles of medicinal liquid are transfused, a phenomenon that the transfusion tube is empty caused by changing the bottles of medicinal liquid in delay can be prevented and blood-returning can be effectively prevented. The normal transfusion is guaranteed due to the fact that the air in the ultrafilter and from the upper tube can be exhausted automatically by the aid of a self-air-exhausting function of the ultrafilter after the transfusion bottles are changed.
Description
Technical field
This utility model relates to a kind of secondary filter infusion set, belongs to medical instruments field.
Background technology
Transfusion is a kind of Therapeutic Method that is widely used, because the aperture 15 μ m of general infusion set filter membrane, and human capillary vessel's diameter is generally adult 6～8 μ m, the about 3 μ m of infant.Therefore, clinical employing precision filter infusion set seems very necessary.At present, clinical existing product is that accurate filter is placed the pipeline end mostly, and soon bottle plug puncture unit, dropping funnel, flow regulator, accurate filter are connected (as shown in Figure 3) with cone joint in turn by infusion pipeline.According to national sector standard YY0286.1 requirement, accurate filter will have steam vent, and because atmospheric pressure, such structure transfusion needle syringe needle dropping liquid phenomenon occurs, the influence puncture in causing after closing flow regulator before the venipuncture during this period of time easily.Clinical transfusion usually is to need the many bottle liquid medicines of infusion in addition, and general infusion set is after the first bottle liquid medicine infused, often owing to make and cause patient's blood back phenomenon by infusion pipeline giving drugs into nose liquid stream sky that subsequent treatment is very much loaded down with trivial details when in time not changing second bottle.
Summary of the invention
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of can automatic vent, prevent transfusion needle needle point dropping liquid, prevent that liquid from walking the secondary filter infusion set of sky and blood return prevention, safe and reliable, easy to use.
The technical scheme that its technical problem that solves this utility model adopts is: a kind of secondary filter infusion set, comprise the bottle plug puncture unit, dropping funnel, flow regulator and the cone joint that connect in turn by infusion pipeline, it is characterized in that: on the infusion pipeline between dropping funnel and the flow regulator, accurate filter is set.
Described accurate filter comprises the housing of being made up of upper casing and lower casing, inlet and liquid outlet are set respectively on upper casing and the lower casing, the filter membrane of isolating upper casing and lower casing is set in the housing, upper casing is provided with steam vent, one elongated liquid outlet channel is set in the lower casing, the top of elongated liquid outlet channel has the medicinal liquid communication port, and the bottom is communicated with liquid outlet.Described steam vent can be provided with one, two or more as required, because upper casing is provided with steam vent, like this, when the flow of bubble in the upstream can be discharged automatically by steam vent during through accurate filter, thereby has guaranteed normal infusion.
Described filter membrane is the polyether sulfone filter membrane.
Operation principle and process:
Before the venipuncture, earlier bottle plug puncture unit is inserted infusion bottle, arrange and closed flow regulator behind the gas and just can prevent transfusion needle needle point generation dropping liquid phenomenon, can carry out venipuncture, easy-to-operate then.
Pass through owing to can intercept air after liquid medicine filtering membrane soaks into, thereby needn't worry that liquid walks sky.When many bottle liquid medicines of infusion, even in time do not change second bottle after the first bottle liquid medicine infused, flow of liquid because the medicine film can separate air force liquid to stop to flow, is avoided medicinal liquid to continue to walk sky, thereby has been guaranteed that the blood back phenomenon does not appear in the patient in the filter time.And after changing new bottle owing to accurate filter itself from degassing function, the air that in the accurate filter and top pipeline can be got off is discharged automatically, thereby has guaranteed normal infusion.
The beneficial effect that this utility model had is: a kind of secondary filter infusion set is provided, because accurate filter is arranged on the infusion pipeline between dropping funnel and the flow regulator, therefore only need bottle plug puncture unit is inserted infusion bottle, close flow regulator behind the row's for the treatment of gas, just can prevent that the transfusion needle needle point from producing the dropping liquid phenomenon, can carry out venipuncture, easy-to-operate; During many bottle liquid medicines of infusion, can prevent from time not change in the infusion pipeline that medicinal liquid produces liquid and walk the sky phenomenon, thereby effectively prevent the generation of blood back phenomenon; Change utilize behind the bottle accurate filter itself from degassing function, the air that in the accurate filter and top pipeline can be got off is discharged automatically, thereby has guaranteed normal infusion.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of accurate filter;
Fig. 3 is the structural representation of former infusion set.
Among the figure: 1, bottle plug puncture unit; 2, infusion pipeline; 3, dropping funnel; 4, accurate filter; 5, flow regulator; 6, cone joint; 7, inlet; 8, upper casing; 9, filter membrane; 10, steam vent; 11, liquid outlet; 12, elongated liquid outlet channel; 13, lower casing; 14, medicinal liquid communication port
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As shown in Figure 1, the secondary filter infusion set comprises bottle plug puncture unit 1, dropping funnel 3, accurate filter 4, flow regulator 5 and the cone joint 6 that connects in turn by infusion pipeline 2.
As shown in Figure 2, accurate filter comprises the housing of being made up of upper casing 8 and lower casing 13, inlet 7 and liquid outlet 11 are set respectively on upper casing 8 and the lower casing 13, the filter membrane 9 of isolating upper casing 8 and lower casing 13 is set in the housing, upper casing 8 is provided with steam vent 10, one elongated liquid outlet channel 12 is set in the lower casing 13, and the top of elongated liquid outlet channel 12 has medicinal liquid communication port 14, and the bottom is communicated with liquid outlet 11.Described steam vent 10 can be provided with one, two or more as required, because upper casing 8 is provided with steam vent 10, like this, when the flow of bubble in the upstream can be discharged automatically by steam vent 10 during through accurate filter, thereby has guaranteed normal infusion.Described filter membrane 9 is polyether sulfone filter membranes.
Operation principle and process:
Before the venipuncture, earlier bottle plug puncture unit 1 is inserted infusion bottle, arrange and closed flow regulator 5 behind the gas and just can prevent transfusion needle needle point generation dropping liquid phenomenon, can carry out venipuncture, easy-to-operate then.
When many bottle liquid medicines of infusion, because accurate filter 4 is arranged near on the infusion pipeline 2 between dropping funnel 3 and the flow regulator 5, filter membrane 9 has the separate air performance in the accurate filter, therefore can not continue to stop to flow in the time of in medicinal liquid flows to filter toward the dirty liquid that forces, so, even in time do not change second bottle liquid medicine after the first bottle liquid medicine infused, liquid can stop when flowing to accurate filter 4 inside automatically, avoid medicinal liquid to continue in infusion pipeline, to walk sky, thereby guaranteed that the blood back phenomenon does not appear in the patient.And after changing new bottle since accurate filter 4 itself from degassing function, accurate filter 4 air interior and that get off in the upstream can be discharged automatically again, thereby have guaranteed normal infusion.
Claims (3)
1. a secondary filter infusion set comprises the bottle plug puncture unit, dropping funnel, flow regulator and the cone joint that connect in turn by infusion pipeline, it is characterized in that: on the infusion pipeline between dropping funnel and the flow regulator accurate filter is set.
2. secondary filter infusion set according to claim 1, it is characterized in that: described accurate filter comprises the housing of being made up of upper casing and lower casing, inlet and liquid outlet are set respectively on upper casing and the lower casing, the filter membrane of isolating upper casing and lower casing is set in the housing, upper casing is provided with steam vent, one elongated liquid outlet channel is set in the lower casing, and the top of elongated liquid outlet channel has the medicinal liquid communication port, and the bottom is communicated with liquid outlet.
3. secondary filter infusion set according to claim 2 is characterized in that: described filter membrane is the polyether sulfone filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206080717U CN201871071U (en) | 2010-11-16 | 2010-11-16 | Ultra-filtering transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206080717U CN201871071U (en) | 2010-11-16 | 2010-11-16 | Ultra-filtering transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201871071U true CN201871071U (en) | 2011-06-22 |
Family
ID=44159006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206080717U Expired - Lifetime CN201871071U (en) | 2010-11-16 | 2010-11-16 | Ultra-filtering transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201871071U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671252A (en) * | 2012-05-25 | 2012-09-19 | 山东新华安得医疗用品有限公司 | Full automatic infusion set |
| CN102824663A (en) * | 2012-09-10 | 2012-12-19 | 陈伟权 | Dual-exhaust infusion apparatus |
| CN103301536A (en) * | 2012-03-16 | 2013-09-18 | 魏安 | Automatic exhaust and transfusion device and special blood-return-preventing liquid filter thereof |
| CN104955502A (en) * | 2013-01-25 | 2015-09-30 | 尤尼特拉克特注射器公司 | Fluid restriction mechanisms for drug delivery pumps |
-
2010
- 2010-11-16 CN CN2010206080717U patent/CN201871071U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301536A (en) * | 2012-03-16 | 2013-09-18 | 魏安 | Automatic exhaust and transfusion device and special blood-return-preventing liquid filter thereof |
| CN102671252A (en) * | 2012-05-25 | 2012-09-19 | 山东新华安得医疗用品有限公司 | Full automatic infusion set |
| CN102824663A (en) * | 2012-09-10 | 2012-12-19 | 陈伟权 | Dual-exhaust infusion apparatus |
| CN104955502A (en) * | 2013-01-25 | 2015-09-30 | 尤尼特拉克特注射器公司 | Fluid restriction mechanisms for drug delivery pumps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |
|
| CX01 | Expiry of patent term |