CN201939783U - Transfusion device with precise filter - Google Patents
Transfusion device with precise filter Download PDFInfo
- Publication number
- CN201939783U CN201939783U CN201120009498XU CN201120009498U CN201939783U CN 201939783 U CN201939783 U CN 201939783U CN 201120009498X U CN201120009498X U CN 201120009498XU CN 201120009498 U CN201120009498 U CN 201120009498U CN 201939783 U CN201939783 U CN 201939783U
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- China
- Prior art keywords
- transfusion
- tube
- dropping funnel
- accurate filter
- transfusion device
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Abstract
The utility model discloses a transfusion device with a precise filter, which belongs to a medical appliance. The transfusion device with the precise filter comprises a transfusion tube, a puncturing device, a dropping funnel, a flow-quantity adjuster and a transfusion needle, wherein the puncturing device and the transfusion needle are respectively arranged at both ends of the transfusion tube; the dropping funnel and the flow quantity adjuster are respectively arranged on the transfusion tube; the top end of the transfusion tube at the lower part of the dropping funnel penetrates into the dropping funnel; at least an air liquid passage is arranged on the tube wall of the transfusion tube penetrating into the dropping funnel; and the air liquid passage is communicated with a cavity of the transfusion tube. Compared with the prior art, the transfusion device with the precise filter has the characteristics that air exhaust can be effectively realized without manual intervention, the operation is simple, time is saved, the harm caused by the fact that air bubbles enter the body of a patient can be avoided, and emergency transfusion and patient rescue are facilitated, therefore, the transfusion device with the precise filter has good popularization and application value.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, especially a kind of transfusion device with accurate filter.
Background technology
When general infusion set has just begun in transfusion, medicinal liquid enters dropping funnel by tube for transfusion, liquid is easily discharged the gas in the dropping funnel downwards the formation gas-liquid mixture and is entered in the tube for transfusion of dropping funnel bottom, therefore produces bubble, simultaneously, surface tension effects because of the tube for transfusion inwall, the inwall of tube for transfusion is a spot of bubble of absorption easily, and gets rid of comparatively difficulty of consequent bubble process, and is time-consuming and loaded down with trivial details, if the bubble that is produced enters in patient's body, easily cause harm such as aeroembolism.So, medical personnel are before infusing, must be artificial with the emptying as much as possible of the bubble in the catheter of transfusion system, common artificial deflated method is: after perforator is inserted transfusion bottle stopper, earlier dropping funnel is hung upside down, squeeze dropping funnel with hands simultaneously, medicinal liquid is entered in the dropping funnel, treat that certain amount of fluid is full of dropping funnel after, just most bubble may be got rid of, the process of this artificial aerofluxus bubble is not only loaded down with trivial details but also time-consuming, is unfavorable for promptly infusing and giving emergency treatment to a patient.At present, good solution is not also arranged.
The utility model content
Technical assignment of the present utility model is to provide a kind of transfusion device with accurate filter at above-mentioned deficiency of the prior art, the infusion set of this band accurate filter need not manually to intervene and gets final product effective aerofluxus, simple to operate, save time, and avoided bubble to enter the harm that causes in patient's body, helped the characteristics of promptly infusing and giving emergency treatment to a patient.
The technical scheme that its technical problem that solves this utility model adopts is: it comprises tube for transfusion, perforator, dropping funnel, flow regulator and transfusion needle, described perforator and transfusion needle are separately positioned on the two ends of tube for transfusion, described dropping funnel and flow regulator are separately positioned on the tube for transfusion, the top closure of the tube for transfusion of described dropping funnel bottom also extend in the dropping funnel, at least have a gas-liquid channel on the tube wall of the described tube for transfusion that extend into dropping funnel inside, described gas-liquid channel is communicated with the inner chamber of tube for transfusion.
Described tube for transfusion extend into the length of dropping funnel inside more than or equal to 1/2 dropping funnel inner chamber height, and the bottom of described gas-liquid channel is higher than dropping funnel inner chamber bottom.
Fix by adapter sleeve between described dropping funnel bottom and the tube for transfusion.
The tube for transfusion of described flow regulator bottom is provided with accurate filter.
The pore size filter of described accurate filter is 0.2um-5um.
Described accurate filter is provided with the automatic vent hole.
Be provided with filter membrane between described automatic vent hole and the accurate filter, described filter membrane is a poly (ether sulfone) film.
Described perforator is provided with the perforator medicated cap, and described transfusion needle is provided with the pin medicated cap.
Tube for transfusion between described perforator and the dropping funnel is provided with clip.
The transfusion device of band accurate filter of the present utility model is compared with prior art, has following outstanding beneficial effect: need not manually to intervene getting final product effective aerofluxus, simple to operate, save time, and avoided bubble to enter the harm that causes in patient's body, help promptly infusing and giving emergency treatment to a patient, adopt the accurate filter in band automatic vent hole can reduce the stimulation of medicine to blood vessel, minimizing alleviates medical personnel's labor intensity to patient's injury and reduction expense, guarantees safe and orderly the carrying out of infusion process, and, characteristics such as this transfusion device manufacturing is made simple, and is cheap, easy to use.
Description of drawings
Description of reference numerals: 1, perforator, 2, the perforator medicated cap, 3, clip, 4, dropping funnel, 5, gas-liquid channel, 6, adapter sleeve, 7, tube for transfusion, 8, flow regulator, 9, accurate filter, 10, filter membrane, 11, the automatic vent hole, 12, the pin medicated cap, 13, transfusion needle.
The specific embodiment
Explain below the transfusion device work with reference to 1 pair of band accurate filter of the present utility model of Figure of description.
The transfusion device of band accurate filter of the present utility model, its structure comprises tube for transfusion 7, perforator 1, dropping funnel 4, flow regulator 8 and transfusion needle 13, described perforator 1 and transfusion needle 13 are separately positioned on the two ends of tube for transfusion 7, described dropping funnel 4 and flow regulator 8 are separately positioned on the tube for transfusion 7, the top closure of the tube for transfusion 7 of described dropping funnel 4 bottoms also extend in the dropping funnel 4, at least have a gas-liquid channel 5 on the tube wall of the described tube for transfusion 7 that extend into dropping funnel 4 inside, described gas-liquid channel 5 is communicated with the inner chamber of tube for transfusion 7.
Described tube for transfusion 7 extend into the length of dropping funnel 4 inside more than or equal to 1/2 dropping funnel, 4 inner chamber height, and the bottom of described gas-liquid channel 5 is higher than dropping funnel 4 inner chamber bottoms.
Fix by adapter sleeve 6 between described dropping funnel 4 bottoms and the tube for transfusion 7.
The tube for transfusion 7 of described flow regulator 8 bottoms is provided with accurate filter 9.
The pore size filter of described accurate filter 9 is 0.2um-5um.To the microgranule more than the 5um in the medicine and macromole rejection rate greater than 98%.Can reduce the stimulation of medicine, reduce injury and reduction expense, alleviate medical personnel's labor intensity, guarantee safe and orderly the carrying out of infusion process patient to blood vessel.
Described accurate filter 9 is provided with automatic vent hole 11.Can avoid the problem of transfusion device exhaust problem.
Be provided with filter membrane 10 between described automatic vent hole 11 and the accurate filter 9, described filter membrane 10 is a poly (ether sulfone) film.Filter membrane 10 can only make gas pass through, and can not pass through liquid.
Described perforator 1 is provided with perforator medicated cap 2, and described transfusion needle 13 is provided with pin medicated cap 12, has avoided extraneous pollution of bringing for perforator 1 and transfusion needle 13.
Tube for transfusion 7 between described perforator 1 and the dropping funnel 4 is provided with clip 3.When needs stop to infuse, can directly tube for transfusion 7 be clamped and get final product with clip 3.
Medicinal liquid enters dropping funnel under action of gravity, can flow directly into the intracavity bottom of dropping funnel 4, because tube for transfusion 7 extend in the dropping funnel 4, extend on the tube wall of tube for transfusion 7 of dropping funnel 4 inside and have a gas-liquid channel 5 at least, and because the cause of liquid phase and solid phase surface molecule tension force objective reality, medicinal liquid can't enter immediately, and be blocked in the dropping funnel 4, under the stopping of the tube for transfusion 7 that stretches into dropping funnel 4 inner chambers, medicinal liquid can be accumulated and raise liquid level gradually in dropping funnel 4, and in the process that liquid level is elevated, the liquid extruding that unnecessary air has then been entered in the dropping funnel 4, and the gas-liquid channel on tube for transfusion 75 is discharged by tube for transfusion 7; And when medicinal liquid was accumulated to about 1/2 dropping funnel, 4 inner chamber height, himself gravity overcame that surface molecular is tensile to be stopped, and entered gas-liquid channel 5, came downwards to through tube for transfusion 7 and finished aerofluxus, realized need not human intervention, can self-bleeding performance.
The bottom of the gas-liquid channel 5 on the tube for transfusion 7 is higher than dropping funnel 4 inner chamber bottoms, its the raised area is airtight, so medicinal liquid is when entering dropping funnel 4, this airtight part can relax and eliminate medicinal liquid impacts and under potential energy, make it can not impact the turbulent flow that produces and enter tube for transfusion and gas-liquid mixed because of medicinal liquid, make above-mentioned medicinal liquid not have other external force factors when accumulating and disturb, finished smoothly.
Except that the described technical characterictic of description, be the known technology of those skilled in the art.
Claims (9)
1. be with the transfusion device of accurate filter, comprise tube for transfusion, perforator, dropping funnel, flow regulator and transfusion needle, described perforator and transfusion needle are separately positioned on the two ends of tube for transfusion, described dropping funnel and flow regulator are separately positioned on the tube for transfusion, it is characterized in that: the top closure of the tube for transfusion of described dropping funnel bottom also extend in the dropping funnel, at least have a gas-liquid channel on the tube wall of the described tube for transfusion that extend into dropping funnel inside, described gas-liquid channel is communicated with the inner chamber of tube for transfusion.
2. the transfusion device of band accurate filter according to claim 1 is characterized in that: described tube for transfusion extend into the length of dropping funnel inside more than or equal to 1/2 dropping funnel inner chamber height, and the bottom of described gas-liquid channel is higher than dropping funnel inner chamber bottom.
3. the transfusion device of band accurate filter according to claim 1 is characterized in that: fix by adapter sleeve between described dropping funnel bottom and the tube for transfusion.
4. the transfusion device of band accurate filter according to claim 1 is characterized in that: the tube for transfusion of described flow regulator bottom is provided with accurate filter.
5. the transfusion device of band accurate filter according to claim 4 is characterized in that: the pore size filter of described accurate filter is 0.2um-5um.
6. the transfusion device of band accurate filter according to claim 4 is characterized in that: described accurate filter is provided with the automatic vent hole.
7. the transfusion device of band accurate filter according to claim 6 is characterized in that: be provided with filter membrane between described automatic vent hole and the accurate filter, described filter membrane is a poly (ether sulfone) film.
8. the transfusion device of band accurate filter according to claim 1 is characterized in that: described perforator is provided with the perforator medicated cap, and described transfusion needle is provided with the pin medicated cap.
9. the transfusion device of band accurate filter according to claim 1 is characterized in that: the tube for transfusion between described perforator and the dropping funnel is provided with clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120009498XU CN201939783U (en) | 2011-01-13 | 2011-01-13 | Transfusion device with precise filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120009498XU CN201939783U (en) | 2011-01-13 | 2011-01-13 | Transfusion device with precise filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201939783U true CN201939783U (en) | 2011-08-24 |
Family
ID=44467138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120009498XU Expired - Fee Related CN201939783U (en) | 2011-01-13 | 2011-01-13 | Transfusion device with precise filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201939783U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389599A (en) * | 2011-11-22 | 2012-03-28 | 济南国瑞医疗器械有限公司 | Disposable precise transfusion device for children |
| CN102389601A (en) * | 2011-11-22 | 2012-03-28 | 济南国瑞医疗器械有限公司 | Precise shading infusion device capable of automatically discharging air |
| CN102389600A (en) * | 2011-11-22 | 2012-03-28 | 济南国瑞医疗器械有限公司 | Shading infusion device capable of automatically discharging air |
| CN102488937A (en) * | 2011-11-22 | 2012-06-13 | 济南国瑞医疗器械有限公司 | Safety precise light-shading transfusion apparatus |
-
2011
- 2011-01-13 CN CN201120009498XU patent/CN201939783U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389599A (en) * | 2011-11-22 | 2012-03-28 | 济南国瑞医疗器械有限公司 | Disposable precise transfusion device for children |
| CN102389601A (en) * | 2011-11-22 | 2012-03-28 | 济南国瑞医疗器械有限公司 | Precise shading infusion device capable of automatically discharging air |
| CN102389600A (en) * | 2011-11-22 | 2012-03-28 | 济南国瑞医疗器械有限公司 | Shading infusion device capable of automatically discharging air |
| CN102488937A (en) * | 2011-11-22 | 2012-06-13 | 济南国瑞医疗器械有限公司 | Safety precise light-shading transfusion apparatus |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20130113 |