CN201880107U - Precision-filtering infusion set - Google Patents
Precision-filtering infusion set Download PDFInfo
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- CN201880107U CN201880107U CN2010206611699U CN201020661169U CN201880107U CN 201880107 U CN201880107 U CN 201880107U CN 2010206611699 U CN2010206611699 U CN 2010206611699U CN 201020661169 U CN201020661169 U CN 201020661169U CN 201880107 U CN201880107 U CN 201880107U
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- transfusion
- filter
- infusion set
- precision
- infusion
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Abstract
The utility model relates to a precision-filtering infusion set, which comprises a three-way pipe, a dropping funnel and conduits, wherein a precision filter is arranged at the lower part of the dropping funnel, and the precision filter is provided with a filtering membrane, an upper cover, a selective infusion device and a filter installing seat, wherein the filtering membrane can enable liquid to pass and block gas to pass. The selective infusion device can be provided with a main infusion pipe, a slow infusion pipe and an easy exhaust pipe. The upper part of the main infusion pipe can be provided with a gas-blocking slot, the inside of the upper cover can be provided with a fixed frame, the filter installing seat can also be provided with a fixed frame, and the fixed frame is fixed on the filter installing seat. In the precision-filtering infusion set, when the infusion of the liquid in an infusion bag or an infusion bottle is finished, the liquid in the dropping funnel of the infusion set can also be slowly and continuously infused; and after the liquid in the dropping funnel is also infused within a rather long period of time, because of the function of the filtering membrane, the liquid can also be slowly infused, air can be effectively prevented from entering a lower conduit, only the liquid can enter the lower conduit, and the phenomenon of blood return is really prevented.
Description
Technical field
This utility model relates to a kind of transfusion device technology, particularly relates to a kind of precision filter infusion set.
Background technology
In treatment clinical course, many patients often need infuse, to pass through this treatment means treating disease of transfusion and to rescue the patient.Thereby, need a large amount of use transfusion devices.
In the prior art, traditional transfusion device after the liquid transfusion of transfusion bag or infusion bottle finishes, need pull out pin at once.As the untimely pin that pulls out, the phenomenon of backflow of blood can appear.Particularly as because of carelessness or when having little time to change liquid such as new medicinal liquid or blood, the unexpected phenomenon that blood back occurs will take place in the downcomer of air admission transfusion device.Blood back occurring not only can cause conduit can't continue transfusion owing to air embolism, even can cause blood coagulation to become clot and human body is damaged, and serious problems such as nosocomial infection, septicemia, how to handle this problem and bring adverse consequences in treatment clinical course is a stubborn problem always.
And in the prior art, at the processing method of the problems referred to above, generally all concentrate on as the aerofluxus of quick winding conduit, pull out transfusion needle and carry out method such as aerofluxus and handle.These operations are unusual trouble often, not only needs veteran medical personnel to operate, and occurs pulling thunder bolt such as accident easily and take place.Thus, not only waste medicinal liquid but also cause nosocomial infection easily, and promptly use such method to handle, also only be to have solved the problem that to infuse again, the risk problem of grievous injuries such as thrombosis risks such as the venous thrombosis that causes for the blood coagulation clot, other blood vessel embolisms and nosocomial infection, septicemia remains and can't tackle the problem at its root.
Therefore, at not enough problem of the prior art, provide a kind of precision filter infusion set very necessary to solve the deficiencies in the prior art.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of precision filter infusion set that can prevent effectively that the blood back phenomenon from taking place is provided.
The purpose of this utility model realizes by following technical measures.
A kind of precision filter infusion set is provided, include tee T, dropping funnel, conduit, described dropping funnel bottom is provided with accurate filter, described accurate filter is provided with and can makes liquid pass through filter membrane and the filter mount pad that stops gas to pass through, described filter membrane is arranged at described filter mount pad, described filter mount pad be connected in described dropping funnel bottom and with the outfan conducting of described dropping funnel.
The fenestra of described filter membrane is less than or equal to 5um.
The fenestra of described filter membrane can be set to 2-3um.
Described filter mount pad upper end is provided with loam cake, and described loam cake and described filter mount pad are connected and fixed, and described filter membrane is arranged between described loam cake and the described filter mount pad.
Described filter mount pad is provided with the fixed mount that is used for fixing described filter membrane.
Described loam cake is provided with the fixed mount that is used for fixing described filter membrane.
Described accurate filter is provided with the selection infusion set that can adjust infusion flow, and described selection infusion set is fixed in described filter mount pad or described loam cake;
Described selection infusion set is provided with the gentle tube for transfusion of main tube for transfusion, described main tube for transfusion and described slow tube for transfusion are fixed in described loam cake, described main tube for transfusion is provided with main transfusion input and main transfusion outfan, described slow tube for transfusion is provided with the gentle transfusion of slow transfusion input outfan, and described main transfusion input is higher than described slow transfusion input.
The slow transfusion input port of described slow tube for transfusion is less than the main transfusion input port of described main tube for transfusion.
Described selection infusion set is provided with easy exhaustor, described easy exhaustor is fixed in described filter mount pad or described loam cake, described easy exhaustor is provided with aerofluxus input and aerofluxus outfan, described aerofluxus input is higher than the main transfusion input of described main tube for transfusion, is provided with the gap between described aerofluxus outfan and the described filter membrane.
The sidewall on described easy exhaustor top is provided with the choke groove.
A kind of precision filter infusion set of the present utility model, include tee T, dropping funnel, conduit, described dropping funnel bottom is provided with accurate filter, described accurate filter is provided with and can makes liquid pass through filter membrane and the filter mount pad that stops gas to pass through, described filter membrane is arranged at described filter mount pad, described filter mount pad be connected in described dropping funnel bottom and with the outfan conducting of described dropping funnel.Owing to be provided with the filter membrane that can stop gas to pass through by liquid, therefore, can effectively stop the gas intravasation.The more important thing is, after the liquid transfusion of transfusion bag or infusion bottle finishes, because the fenestra of filter membrane is less, liquid in the infusion unit titrimeter can only slowly be infused, because the tension force effect of liquid and gas, can stop air to enter downcomer effectively by accurate filter, and can only make liquid by and enter downcomer, thereby really prevented the blood back generation of picture now.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of precision filter infusion set of the present utility model.
Fig. 2 is the structural representation of accurate filter of a kind of precision filter infusion set of Fig. 1.
Fig. 3 is the structural representation of the accurate filter of a kind of precision filter infusion set of the present utility model.
Fig. 4 is the structural representation of the accurate filter of a kind of precision filter infusion set of the present utility model.
Fig. 5 is the structural representation of the accurate filter of a kind of precision filter infusion set of the present utility model.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, include:
Bottle plug puncture unit 100, bottle plug puncture unit protective sleeve 200, air filter 300, air inlet pipe 400, upper conduit 500, tee T 600, dropping funnel 700, downcomer 800, flow regulator 900, liquid medicine filter 1000, transfusion needle tubule 1100, venoclysis needle 1200,
Main tube for transfusion 111, slow tube for transfusion 112, easily exhaustor 113,
The specific embodiment
With the following Examples this utility model is further described.
Embodiment 1.
The specific embodiment of a kind of precision filter infusion set of the present utility model; as shown in Figure 1, include bottle plug puncture unit 100, bottle plug puncture unit protective sleeve 200, air filter 300, air inlet pipe 400, upper conduit 500, tee T 600, dropping funnel 700, downcomer 800, flow regulator 900, liquid medicine filter 1000, transfusion needle tubule 1100 and venoclysis needle 1200.
During use; unplug bottle plug puncture unit protective sleeve 200; bottle plug puncture unit 100 is inserted the socket of transfusion bag or infusion bottle; after this blood return prevention precision infusion set evacuation of air; flow regulator 900 is placed the closed position; then with smart arteries and veins transfusion needle 1200 puncture patients' vein blood vessel; again flow regulator 900 is adjusted to needed transfusion speed; the liquid of transfusion bag or infusion bottle is through upper conduit 500 input tee Ts 600; then through tee T 600 input dropping funnels 700; enter transfusion needle tubule 1100 from dropping funnel 700 by downcomer 800 again, and then enter the vein blood vessel that venoclysis needle 1200 inputs to the patient.
Wherein, dropping funnel 700 bottoms are provided with accurate filter 10, and accurate filter 10 is provided with and can makes liquid pass through filter membrane 140, loam cake 130 and the filter mount pad 120 that stops gas to pass through.
The fenestra of filter membrane 140 is set to be less than or equal to 5um, can secondary filter 5um above microgranule, therefore the function that not only has the secondary filter microgranule, and because the tension force effect of liquid and gas in the filter membrane 140, can stop air to enter downcomer 800 effectively, have double effects by filter membrane 140.
The fenestra of filter membrane 140 also can be set to 2---and 3um, effect is better.
This precision filter infusion set owing to be provided with the filter membrane 140 that can stop gas to pass through by liquid, not only can effectively stop the gas intravasation but also can filter the granule of particle diameter greater than 5um when transfusion.The more important thing is, after the liquid transfusion of transfusion bag or infusion bottle finishes, because the fenestra of filter membrane 140 is less, liquid in the infusion unit titrimeter 700 can only be slowly by filter membrane 140 transfusions, because the tension force effect of liquid and gas, can stop air to enter downcomer effectively by accurate filter, and can only make liquid by and enter downcomer, liquid is slowly by filter membrane 140 in the dropping funnel 700, for medical personnel provide the more abundant processing time, thereby really prevented the blood back generation of picture now.
So precision filter infusion set of the present utility model can fundamentally solve the generation of blood back phenomenon.
Embodiment 2.
The specific embodiment of a kind of precision filter infusion set of the present utility model, its primary structure is identical with embodiment 1, and difference is, as shown in Figure 2, accurate filter 10 is provided with selects infusion set 110, and rotation infusion set 110 is fixed in filter mount pad 120.
Select infusion set 110 to select to adjust infusion flow automatically according to amount of liquid in the dropping funnel 700.When also having liquid in transfusion bag or the infusion bottle, can constantly have liquid to replenish in the dropping funnel 700, therefore, liquid level can be positioned at a higher position in the dropping funnel 700, select infusion set 110 to infuse, promptly with bigger flow output liquid with needed normal infusion speed.After the liquid in transfusion bag or the infusion bottle is totally lost, remaining liquid can reduce gradually along with the discharge of liquid in the dropping funnel 700, liquid level in the dropping funnel 700 also can reduce gradually, after being reduced to certain altitude, select infusion set 110 will enter slow transfusion, promptly with less flow output liquid.And after the medicinal liquid in the dropping funnel 700 is slowly exported a period of time, select infusion set 110 will stop medicinal liquid output.Begin to stopping medicinal liquid output from slow transfusion, big appointment continues nearly 30 minutes.Simultaneously because the tension force effect of liquid and gas stops air to enter downcomer by accurate filter effectively, and can only make liquid by and enter downcomer.
Select infusion set 110 to be provided with main tube for transfusion 111 gentle tube for transfusions 112, main tube for transfusion 111 gentle tube for transfusions 112 are individually fixed in filter mount pad 120.
Main tube for transfusion 111 is provided with main transfusion input and main transfusion outfan.Slow tube for transfusion 112 is provided with the gentle transfusion of slow transfusion input outfan.The gentle transfusion of main transfusion outfan outfan respectively with 120 conductings of filter mount pad, be used for the liquid that main tube for transfusion 111 gentle tube for transfusions 112 are carried is delivered to downcomer 800.Main transfusion input is higher than described slow transfusion input, like this, when liquid level is higher in the dropping funnel 700, can infuse with bigger flow with slow tube for transfusion 112 by main tube for transfusion 111, and when liquid level in the dropping funnel 700 is lower than master's transfusion input, only slowly infuse by slow tube for transfusion 112.The tube for transfusion 112 of the postponing slow tube for transfusion 112 big appointment that stops to infuse that begins to infuse continues 30 minutes.Thereby for medical personnel provide long buffer time.
The slow transfusion input of slow tube for transfusion 112 is less than the main transfusion input of main tube for transfusion 111, and the time that slow transfusion continues is longer, for medical personnel provide the sufficient processing time, prevents that the blood back phenomenon from taking place.
Embodiment 3.
The specific embodiment of a kind of precision filter infusion set of the present utility model, its its primary structure is identical with embodiment 2, and difference is, as shown in Figure 3, select infusion set also to be provided with easy exhaustor 113, easily exhaustor 113 is fixed in filter mount pad 120.Easily exhaustor 113 is provided with aerofluxus input and aerofluxus outfan, and the aerofluxus input is higher than the main transfusion input of main tube for transfusion 111, has the gap between aerofluxus outfan and the filter membrane 140.The easily setting of exhaustor 113 is beneficial to gas circulation in the dropping funnel, is convenient to the discharge of medicinal liquid.
When liquid level was higher in the dropping funnel 700, main tube for transfusion 111, slow tube for transfusion 112 and the easy exhaustor 113 of easy exhaustor were infused together, and this precision filter infusion set will be with bigger flow transfusion.And when liquid level in the dropping funnel 700 low during main tube for transfusion 111 inputs, this moment is only by slow tube for transfusion 112 and slowly transfusion.When liquid level drops to when parallel with slow transfusion input, dropping funnel 700 will stop transfusion.The tube for transfusion 112 of the postponing slow tube for transfusion 112 big appointment that stops to infuse that begins to infuse continues 30 minutes.Thereby for medical personnel provide long buffer time.
Embodiment 4.
The specific embodiment of a kind of precision filter infusion set of the present utility model, as shown in Figure 4, other structure is identical with embodiment 3, difference is, slow tube for transfusion 112 is arranged at main tube for transfusion 111, slow transfusion input is lower than the main transfusion input of main tube for transfusion 111, and shared identical passage is to save material.The end face of the slow transfusion input of slow tube for transfusion 112 is low more, slowly the time of transfusion long more, for the processing time that the nurse provides many more, the risk that the blood back phenomenon takes place is more little.
Embodiment 5.
The specific embodiment of a kind of precision filter infusion set of the present utility model, other structure is identical with embodiment 4, difference is that main tube for transfusion 111 is set to same pipe with easy exhaustor 113, choke groove 160 directly is arranged at the wall on main tube for transfusion 111 tops.
Main tube for transfusion 111 is set to same pipe with easy exhaustor 113, only needs to offer choke groove 160 at the wall of main tube for transfusion 111 and gets final product, and is not only easy to process, and can save material.
Embodiment 6.
The specific embodiment of a kind of precision filter infusion set of the present utility model includes bottle plug puncture unit 100, bottle plug puncture unit protective sleeve 200, air filter 300, air inlet pipe 400, upper conduit 500, tee T 600, dropping funnel 700, downcomer 800, flow regulator 900, liquid medicine filter 1000, transfusion needle tubule 1100 and venoclysis needle 1200.
Wherein, dropping funnel 700 bottoms are provided with accurate filter 10, and accurate filter 10 is provided with selection infusion set 110, loam cake 130, filter membrane 140 and the filter mount pad 120 that can adjust infusion flow.
Select infusion set 110 to be fixed in filter mount pad 120, filter membrane 140 is installed and is arranged at filter mount pad 120, loam cake 130 is connected and fixed with filter mount pad 120, select infusion set 110 to be fixed in loam cake 130, filter mount pad 120 be installed on dropping funnel 700 bottoms and with the outfan conducting of dropping funnel 700.
Select infusion set 110 to be provided with main tube for transfusion 111 gentle tube for transfusions 112, main tube for transfusion 111, slow tube for transfusion 112 are individually fixed in filter mount pad 120.Main tube for transfusion 111 gentle tube for transfusion 112 shared same pipes make the input that delays tube for transfusion 112 be lower than the input of main tube for transfusion 111.
As shown in Figure 5, main tube for transfusion 111 tops are provided with choke groove 160, choke groove 160 can be set to three road conduits, when having bubble to exist in the infusion process, the existence of choke groove 160 can be bumped brokenly bubble, can prevent effectively that bubble from passing through main tube for transfusion 111 or slow tube for transfusion 112 or easy exhaustor 113 input downcomers 800.
Can be provided with the gap between main transfusion outfan and the filter membrane 140, so that air-out.With when the liquid of the transfusion bag of changing further transfusion or infusion bottle, can air-out, continue transfusion smoothly.
Slow transfusion outfan can paste mutually with filter membrane 140, so that when slow feed flow, filter membrane 140 fully absorbs also through liquid.
Through experiment, use precision filter infusion set of the present utility model, after the liquid transfusion in transfusion bag or infusion bottle finished, the liquid of dropping funnel 700 parts of this precision filter infusion set also can slowly be infused about 30 minutes.Therefore, medical personnel can handle in the long time, thereby from having solved the generation of blood back phenomenon in essence.
Precision filter infusion set of the present utility model is equipped with an accurate filter 10 in dropping funnel 700 bottoms, normally feeding of accurate filter 10, and also slowly feeding, and secondary filter film 140 makes that air is to pass through filter membrane 140.Therefore, after the transfusion of the liquid in transfusion bag or the infusion bottle finishes, can not to stop feeding immediately, dropping funnel 700 can be in corresponding slow feeding of long a period of time.Therefore, when liquid is totally lost or need to change, liquid in the dropping funnel 700 can also continue slow transfusion, rather than stop immediately infusing, after being totally lost, liquid in the dropping funnel 700 can pin air, air can not pass through filter membrane 140, thereby play the blood return prevention function, leave competent buffer time to medical personnel and handle, the liquid of dropping funnel 700 can continue feeding in corresponding long a period of time, negative pressure reach parallel after, liquid that can not is imported downcomer 800 again, and stop air admission patient vein, and both guaranteed the infuse safety of overall process of patient, alleviated patient's stress and medical worker's operating pressure again.Do not deal with the medical consequences that is produced improperly thereby can not occur the conventional medical transfusion device again, can properly avoid medical personnel unnecessary worry and malpractice of causing because of medical negligence in for patient's transfusion operation process.
Precision filter infusion set of the present utility model can also improve the medicinal liquid utilization, favourable patient's rehabilitation.In the infusion process, needn't pay close attention to the liquid level in transfusion bag or the infusion bottle, the liquid in transfusion bag or the infusion bottle fully is totally lost, make it to be fully used.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model but not to the restriction of this utility model protection domain; although this utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (10)
1. precision filter infusion set, include tee T, dropping funnel, conduit, it is characterized in that: described dropping funnel bottom is provided with accurate filter, described accurate filter is provided with and can makes liquid pass through filter membrane and the filter mount pad that stops gas to pass through, described filter membrane is arranged at described filter mount pad, described filter mount pad be connected in described dropping funnel bottom and with the outfan conducting of described dropping funnel.
2. precision filter infusion set according to claim 1 is characterized in that: the fenestra of described filter membrane is less than or equal to 5um.
3. precision filter infusion set according to claim 2 is characterized in that: the fenestra of described filter membrane is set to 2-3um.
4. precision filter infusion set according to claim 1, it is characterized in that: described filter mount pad upper end is provided with loam cake, described loam cake and described filter mount pad are connected and fixed, and described filter membrane is arranged between described loam cake and the described filter mount pad.
5. precision filter infusion set according to claim 4 is characterized in that: described filter mount pad is provided with the fixed mount that is used for fixing described filter membrane.
6. precision filter infusion set according to claim 5 is characterized in that: described loam cake is provided with the fixed mount that is used for fixing described filter membrane.
7. according to any described precision filter infusion set of claim 1 to 6, it is characterized in that: described accurate filter is provided with the selection infusion set that can adjust infusion flow, and described selection infusion set is fixed in described filter mount pad or described loam cake;
Described selection infusion set is provided with the gentle tube for transfusion of main tube for transfusion, described main tube for transfusion and described slow tube for transfusion are fixed in described loam cake, described main tube for transfusion is provided with main transfusion input and main transfusion outfan, described slow tube for transfusion is provided with the gentle transfusion of slow transfusion input outfan, and described main transfusion input is higher than described slow transfusion input.
8. precision filter infusion set according to claim 7 is characterized in that: the slow transfusion input port of described slow tube for transfusion is less than the main transfusion input port of described main tube for transfusion.
9. precision filter infusion set according to claim 8, it is characterized in that: described selection infusion set is provided with easy exhaustor, described easy exhaustor is fixed in described filter mount pad or described loam cake, described easy exhaustor is provided with aerofluxus input and aerofluxus outfan, described aerofluxus input is higher than the main transfusion input of described main tube for transfusion, is provided with the gap between described aerofluxus outfan and the described filter membrane.
10. precision filter infusion set according to claim 9 is characterized in that: the sidewall on described easy exhaustor top is provided with the choke groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206611699U CN201880107U (en) | 2010-12-15 | 2010-12-15 | Precision-filtering infusion set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206611699U CN201880107U (en) | 2010-12-15 | 2010-12-15 | Precision-filtering infusion set |
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| CN201880107U true CN201880107U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206611699U Expired - Lifetime CN201880107U (en) | 2010-12-15 | 2010-12-15 | Precision-filtering infusion set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102028984A (en) * | 2010-12-15 | 2011-04-27 | 广东康尔美医疗器械有限公司 | Precise filtering 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 |
| CN104906659A (en) * | 2015-06-09 | 2015-09-16 | 河南曙光健士医疗器械集团股份有限公司 | Dynamic medicine liquid filter for pump and infusion system made by the same |
-
2010
- 2010-12-15 CN CN2010206611699U patent/CN201880107U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102028984A (en) * | 2010-12-15 | 2011-04-27 | 广东康尔美医疗器械有限公司 | Precise filtering infusion apparatus |
| CN102028984B (en) * | 2010-12-15 | 2013-01-09 | 广东康尔美医疗器械有限公司 | Precise filtering 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 |
| CN104906659A (en) * | 2015-06-09 | 2015-09-16 | 河南曙光健士医疗器械集团股份有限公司 | Dynamic medicine liquid filter for pump and infusion system made by the same |
| CN104906659B (en) * | 2015-06-09 | 2019-01-29 | 河南曙光健士医疗器械集团股份有限公司 | A kind of dynamic pump liquid medicine filter and its manufactured transfusion system |
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