CN203564612U - Anti-bubble precise filter - Google Patents
Anti-bubble precise filter Download PDFInfo
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- CN203564612U CN203564612U CN201320762423.8U CN201320762423U CN203564612U CN 203564612 U CN203564612 U CN 203564612U CN 201320762423 U CN201320762423 U CN 201320762423U CN 203564612 U CN203564612 U CN 203564612U
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- cavity
- liquid
- protecgulum
- accurate filter
- intermediate layer
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Abstract
The utility model relates to an anti-bubble precise filter which is provided with a bottom cover, a front cover and a middle layer, wherein the middle layer is of an air-preventing solution-passing one-way membrane through which air can not pass but solutions can pass; the front cover is provided with an exhaust device; the bottom cover and the front cover are fixedly assembled; the middle layer is clamped and fixed between the bottom cover and the front cover; a space formed between the front cover and the middle layer is a first cavity; a space formed between the middle layer and the bottom cover is a second cavity; the exhaust device is provided with an air hole, a solution-preventing air-passing one-way membrane and an assembling slot. According to the anti-bubble precise filter, input medicine liquor is input into the second cavity so to be conveyed after being subjected to air exhaust by virtue of the first cavity, so that a liquid output from the second cavity is prevented from containing air, the transfusion precision and the transfusion safety can be improved, and the occurrence of a blood return is substantially avoided.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of Anti-bubble accurate filter.
Background technology
Transfusion device is one of conventional medical supplies of medical field intravenous injection, is usually used in clinically disease treatment and severe disease and rescues.
In prior art, transfusion device is comprised of dropping funnel, speed regulator, conduit and puncture needle conventionally, and the liquid in medicated bag enters dropping funnel, by conduit, is directly delivered to vein blood vessel.
In infusion process, the gas in eliminating medicinal liquid is very crucial.If deal with improperly just in case occur that air enters the conduit of dropping funnel bottom, unexpected blood back phenomenon will occur.Blood back phenomenon not only can cause conduit due to air embolism, cannot continue transfusion, even can cause blood coagulation become clot and human body is damaged, and the serious problems such as nosocomial infection, septicemia, in treatment clinical course, how processing this problem and bringing adverse consequences is a stubborn problem always.
And in prior art, for the processing method of the problems referred to above, be all often the mode of remedying that concentrates on medical personnel, as the aerofluxus of quick winding conduit, pull out transfusion needle and carry out the methods such as aerofluxus and process.These operations often bother very much, not only need veteran medical personnel to operate, and easily occur pulling the thunder bolt generations such as unexpected.Thus, not only waste medicinal liquid but also easily cause nosocomial infection, and use such method to process, also be only to have solved the problem that can again infuse, the risk problem of the grievous injuries such as the thrombosis risks such as the venous thrombosis that causes for blood coagulation clot, other blood vessel embolisms and nosocomial infection, septicemia, remains and cannot tackle the problem at its root.
Therefore,, for prior art deficiency, provide a kind of Anti-bubble accurate filter very necessary to overcome prior art deficiency.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art and a kind of Anti-bubble accurate filter is provided, this Anti-bubble accurate filter can effectively be removed the air in infusion process herb liquid, have the advantages that precision is high, can avoid the generation of blood back phenomenon in infusion process, from ensureing in essence the generation of blood return prevention phenomenon.
Above-mentioned purpose of the present utility model realizes by following technical measures.
A kind of Anti-bubble accurate filter, is provided with bottom, protecgulum and intermediate layer;
Described intermediate layer be set to gas can not by and the logical liquid membrane of choke that liquid can pass through, described protecgulum is provided with exhaust apparatus, the fixing assembling of described bottom and described protecgulum, described intermediate layer sandwiched is fixed between described bottom and described protecgulum, the space forming between described protecgulum and described intermediate layer is the first cavity, and the space forming between described intermediate layer and described bottom is the second cavity;
The liquid entering from described bottom input is transported to described the first cavity, and the gas in the first cavity in liquid is discharged by described exhaust apparatus, and the liquid in the first cavity enters the second cavity by intermediate layer, and is discharged by the outlet side of the second cavity.
Above-mentioned bottom is provided with groove, and described groove is communicated with the input of described bottom, and described protecgulum is provided with liquid-through hole;
Described liquid-through hole is corresponding with described groove location, and the space that the liquid-through hole position of the groove location of described bottom and described protecgulum forms is liquid guiding cavity; From the liquid of described bottom input input, enter liquid guiding cavity and inputed in described the first cavity by described liquid-through hole.
Above-mentioned exhaust apparatus be provided with pore and can not by and gas and the membrane of can the blocking solution by liquid ventilating;
Described pore is arranged at described protecgulum, and described blocking solution ventilation membrane is fixedly installed on described pore position.
Above-mentioned exhaust apparatus is also provided with fitting recess, and the sealing of described blocking solution ventilation membrane is assemblied in described fitting recess; Described pore be arranged at described protecgulum with corresponding position, described fitting recess position.
Above-mentioned pore is set to more than two.
Preferably, above-mentioned pore is set to three.
Above-mentioned fitting recess is set to circle, and described blocking solution ventilation membrane is set to circle.
Above-mentioned bottom is provided with intake chute, and described intake chute is arranged at the inner chamber of described bottom and is communicated with the outfan of described bottom.
Anti-bubble accurate filter of the present utility model, is provided with bottom, protecgulum and intermediate layer; Described intermediate layer be set to gas can not by and the logical liquid membrane of choke that liquid can pass through, described protecgulum is provided with exhaust apparatus, the fixing assembling of described bottom and described protecgulum, described intermediate layer sandwiched is fixed between described bottom and described protecgulum, the space forming between described protecgulum and described intermediate layer is the first cavity, and the space forming between described intermediate layer and described bottom is the second cavity; The liquid entering from described bottom input is transported to described the first cavity, and the gas in the first cavity in liquid is discharged by described exhaust apparatus, and the liquid in the first cavity enters the second cavity by intermediate layer, and is discharged by the outlet side of the second cavity.This Anti-bubble accurate filter can first be carried the medicinal liquid of input by inputting again the second cavity after the first cavity air-out, in the liquid that can avoid the second cavity to export, contain air, improve the precision of transfusion and the safety of transfusion, avoid the generation of blood back phenomenon in infusion process, from ensureing in essence the generation of blood return prevention phenomenon.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but content in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of Anti-bubble accurate filter of the present utility model.
Fig. 2 is the cutaway view of a kind of Anti-bubble accurate filter of the present utility model.
Fig. 3 is the cut-away section structural representation of a kind of Anti-bubble accurate filter of the present utility model.
Fig. 4 is the decomposing schematic representation of a kind of Anti-bubble accurate filter of the present utility model.
Fig. 5 is the decomposing schematic representation of a kind of another angle of Anti-bubble accurate filter of the present utility model.
Fig. 6 is another decomposing schematic representation of a kind of Anti-bubble accurate filter of the present utility model.
In Fig. 1 to Fig. 6, include:
Liquid-through hole 220,
The first cavity 400,
The second cavity 500,
Liquid guiding cavity 600.
The specific embodiment
With the following Examples this utility model is further described.
A kind of Anti-bubble accurate filter, as shown in Figures 1 to 6, is provided with bottom 100, protecgulum 200 and intermediate layer 300.
The liquid entering from bottom 100 inputs 110 is transported to the first cavity 400, gas in the interior liquid of the first cavity 400 is discharged by exhaust apparatus, liquid in the first cavity 400 enters the second cavity 500 by intermediate layer 300, and is discharged by the outlet side 140 of the second cavity 500.The outlet side 140 of the second cavity 500 is the outlet side 140 of bottom 100.
This Anti-bubble accurate filter is by being set to intermediate layer 300 the logical liquid membrane of choke, the gas that makes to enter in the liquid in the first cavity 400 is merely able to discharged and can not be entered the second cavity 500 by exhaust apparatus, when entering the second cavity 500, the liquid in the first cavity 400 also can will make to pass through by liquid through the filtration in intermediate layer 300, therefore can effectively filter the liquid entering in the second cavity 500, guarantee the precision of liquid in the second cavity 500, thereby improve the precision of transfusion, from avoiding in essence the generation of blood back phenomenon.
Concrete, the liquid that enters bottom 100 inputs 110 is to import like this first cavity 400: bottom 100 is provided with groove 120, and groove 120 is communicated with the input 110 of bottom 100, and protecgulum 200 is provided with liquid-through hole 220.Liquid-through hole 220 is corresponding with groove 120 positions, and the space that groove 120 positions of bottom 100 and the liquid-through hole of protecgulum 200 220 positions form forms liquid guiding cavity 600.The liquid of inputting from bottom 100 inputs 110 enters liquid guiding cavity 600 and is inputed in the first cavity 400 by liquid-through hole 220.
Concrete, exhaust apparatus be provided with pore 211 and can not by and gas and can be by the blocking solution of the liquid membrane 212 of ventilating.Pore 211 is arranged at protecgulum 200, and blocking solution ventilation membrane 212 is fixedly installed on pore 211 positions.
For convenient for assembly, exhaust apparatus is also provided with fitting recess 213, and 212 sealings of blocking solution ventilation membrane are assemblied in fitting recess 213, pore 211 be arranged at protecgulum 200 with fitting recess 213 corresponding positions, position.
In the present embodiment, fitting recess 213 is set to circle, and blocking solution ventilation membrane 212 is set to circle, and pore 211 is set to three, has feature simple in structure, easy to prepare.
It should be noted that, the shape of fitting recess 213 and blocking solution ventilation membrane 212 is not only confined to the circle in the present embodiment, also can arrange flexibly according to actual needs.
It should be noted that, the quantity of pore 211 is set to more than two conventionally, and its quantity is not limited to three in the present embodiment, also can be set to as required other quantity.
Anti-bubble accurate filter of the present utility model, its work process is such, during use, the input 110 of bottom 100 can be connected with the pipe of carrying medicinal liquid, the input 110 that medicinal liquid is delivered to bottom 100 enters liquid guiding cavity 600, through liquid-through hole 220, enter the first cavity 400, gas in the first cavity 400 inner liquid medicines is discharged by pore 211 by the blocking solution membrane 212 of ventilating, medicinal liquid enters the second cavity 500 by the filtration in intermediate layer 300 by the first cavity 400, then through outfan, exports.This Anti-bubble accurate filter, can guarantee, by the precision of the liquid of the second cavity 500 outfan outputs, effectively to avoid the gas in medicinal liquid, thereby improve the precision of transfusion, from avoiding in essence the generation of blood back phenomenon.
In addition, Anti-bubble accurate filter of the present utility model also has feature simple in structure, cost is low, easy to use.
Finally should be noted that; above embodiment is the restriction for the technical solution of the utility model is described but not to this utility model protection domain only; although this utility model is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (8)
1. an Anti-bubble accurate filter, is characterized in that:
Be provided with bottom, protecgulum and intermediate layer;
Described intermediate layer be set to gas can not by and the logical liquid membrane of choke that liquid can pass through, described protecgulum is provided with exhaust apparatus, the fixing assembling of described bottom and described protecgulum, described intermediate layer sandwiched is fixed between described bottom and described protecgulum, the space forming between described protecgulum and described intermediate layer is the first cavity, and the space forming between described intermediate layer and described bottom is the second cavity;
The liquid entering from described bottom input is transported to described the first cavity, and the gas in the first cavity in liquid is discharged by described exhaust apparatus, and the liquid in the first cavity enters the second cavity by intermediate layer, and is discharged by the outlet side of the second cavity.
2. Anti-bubble accurate filter according to claim 1, is characterized in that:
Described bottom is provided with groove, and described groove is communicated with the input of described bottom, and described protecgulum is provided with liquid-through hole;
Described liquid-through hole is corresponding with described groove location, and the space that the liquid-through hole position of the groove location of described bottom and described protecgulum forms is liquid guiding cavity; From the liquid of described bottom input input, enter liquid guiding cavity and inputed in described the first cavity by described liquid-through hole.
3. Anti-bubble accurate filter according to claim 2, is characterized in that:
Described exhaust apparatus be provided with pore and can not by and gas and the membrane of can the blocking solution by liquid ventilating;
Described pore is arranged at described protecgulum, and described blocking solution ventilation membrane is fixedly installed on described pore position.
4. Anti-bubble accurate filter according to claim 3, is characterized in that: described exhaust apparatus is also provided with fitting recess, and the sealing of described blocking solution ventilation membrane is assemblied in described fitting recess; Described pore be arranged at described protecgulum with corresponding position, described fitting recess position.
5. Anti-bubble accurate filter according to claim 4, is characterized in that: described pore is set to more than two.
6. Anti-bubble accurate filter according to claim 5, is characterized in that: described pore is set to three.
7. Anti-bubble accurate filter according to claim 4, is characterized in that: described fitting recess is set to circle, and described blocking solution ventilation membrane is set to circle.
8. according to the Anti-bubble accurate filter described in claim 1 to 7 any one, it is characterized in that: described bottom is provided with intake chute, described intake chute is arranged at the inner chamber of described bottom and is communicated with the outfan of described bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762423.8U CN203564612U (en) | 2013-11-28 | 2013-11-28 | Anti-bubble precise filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762423.8U CN203564612U (en) | 2013-11-28 | 2013-11-28 | Anti-bubble precise filter |
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| Publication Number | Publication Date |
|---|---|
| CN203564612U true CN203564612U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320762423.8U Expired - Fee Related CN203564612U (en) | 2013-11-28 | 2013-11-28 | Anti-bubble precise filter |
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| CN (1) | CN203564612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973844A (en) * | 2019-05-24 | 2020-11-24 | 山东振富医疗器械有限公司 | Medical double-reflux filter for infusion apparatus |
-
2013
- 2013-11-28 CN CN201320762423.8U patent/CN203564612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973844A (en) * | 2019-05-24 | 2020-11-24 | 山东振富医疗器械有限公司 | Medical double-reflux filter for infusion apparatus |
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| 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 |
Granted publication date: 20140430 Termination date: 20161128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |