CN102631721A - Degassing device for preparing dialyzate - Google Patents
Degassing device for preparing dialyzate Download PDFInfo
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- CN102631721A CN102631721A CN2012101335997A CN201210133599A CN102631721A CN 102631721 A CN102631721 A CN 102631721A CN 2012101335997 A CN2012101335997 A CN 2012101335997A CN 201210133599 A CN201210133599 A CN 201210133599A CN 102631721 A CN102631721 A CN 102631721A
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Abstract
The invention discloses a degassing device for preparing dialyzate. The degassing device comprises a degassing cavity, a choke degassing mechanism, a liquid level switch and a degasser pump, wherein the degassing cavity is provided with a liquid inlet pipe and a liquid outlet pipe; the liquid level switch is arranged in the degassing cavity; the choke degassing mechanism comprises a degassing pipe and a ball body; the degassing pipe is vertically arranged; the ball body is arranged in the degassing pipe; the degassing cavity is communicated with an inlet of the degassing pipe of the choke degassing mechanism; and the degasser pump is communicated with an outlet of the degassing pipe of the choke degassing mechanism. Compared with the prior art, the degassing device for preparing the dialyzate is rapid and effective in degassing, and is capable of guaranteeing the safety and the dehydration accuracy of dialysis treatment and dehydrating a proper amount of moisture liquid.
Description
Technical field
The present invention relates to that blood is provided with the field in the medical apparatus and instruments, exactly be meant a kind of dialysis solution preparation depassing unit.
Background technology
Degasification is a very important link of blood purification automatic liquid mixing system, because the preparation dialysis solution is formulated by reverse osmosis water and two kinds of concentrated solutions (concentrated solution contains materials such as NaCl, KCl, CaCl, MgCl2 and NaHCO3 respectively).Because in the dosing process of dialysis solution; Reverse osmosis water is that requirement mixes with two kinds of concentrated solutions after the heating earlier again; Yet reverse osmosis water can produce a large amount of bubbles after heating, bubble can flow in the dialyzer with the water route, so that can influence dehydration precision and the life that threatens the patient.In order to remove the bubble in the reverse osmosis water, therefore need to introduce the degasification link.Degasification generally is to adopt the negative pressure mode degasification.At present, there is certain defective in the depassing unit of prior art, though that is: removed the bubble in the liquid; But also siphoned away liquid partly; So not only can influence the dosing effect of dialysis solution, and can cause the patient when the treatment dialysis, to cause too much dehydration, influence therapeutic effect.
Summary of the invention
To above-mentioned defective, the technical problem that the present invention solves is to provide a kind of dialysis solution preparation depassing unit, and degasification fast, effectively both can guarantee the safety and dehydration precision of dialysis treatment, can not take off redundant moisture liquid again.
In order to solve above technical problem; Dialysis solution preparation depassing unit provided by the invention comprises controller, removes air cavity, choked flow degasification mechanism, liquid-level switch and degassing pump, and the said air cavity that removes is provided with feed tube and drain pipe; Said liquid-level switch is arranged on said removing in the air cavity; Said choked flow degasification mechanism comprises gas removing pipe and spheroid, and said gas removing pipe vertically is provided with, and said spheroid is arranged in the said gas removing pipe; The said import that removes the gas removing pipe of air cavity and said choked flow degasification mechanism is communicated with, and said degassing pump is communicated with the outlet of the gas removing pipe of said choked flow degasification mechanism; Pipeline between said choked flow degasification mechanism and the said degassing pump is provided with first control valve, and the said drain pipe that removes air cavity is provided with second control valve; Said controller is connected with said liquid-level switch, degassing pump, first control valve and second control valve respectively, and said controller is according to the action of the said degassing pump of the signal controlling of said liquid-level switch, first control valve and second control valve.
Preferably, said first control valve is an electromagnetic valve.
Preferably, said second control valve is an electromagnetic valve.
Preferably, said feed tube is arranged on said bottom of removing air cavity.
Preferably, said feed tube comprises first feed tube and second feed tube.
Preferably, said drain pipe is arranged on said middle and lower part of removing the sidewall of air cavity.
Preferably, said liquid-level switch is arranged on said middle and upper part of removing in the air cavity.
The operation principle of dialysis solution preparation depassing unit provided by the invention is: dialysis solution mixes in removing air cavity earlier, and degassing pump produces the suction of negative pressure to the gas removing pipe of choked flow degasification mechanism when work; Spheroid is drawn onto the top of gas removing pipe thereupon; Because the outlet of gas removing pipe is less than spheroid, so spheroid can stop up the outlet of gas removing pipe, because the density of gas is less than density of liquid; Gas on the upper strata of gas removing pipe and liquid in the lower floor of gas removing pipe; This moment, gas still can be taken away rapidly, and liquid is blocked by spheroid, can't be taken away together along with the suction of negative pressure.Compared with prior art, dialysis solution preparation depassing unit provided by the invention, degasification fast, effectively both can guarantee the safety and dehydration precision of dialysis treatment, can not take off redundant moisture liquid again.
Description of drawings
Fig. 1 is the structural representation of dialysis solution preparation depassing unit in the embodiment of the invention.
The specific embodiment
For those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is the structural representation of dialysis solution preparation depassing unit in the embodiment of the invention.
The dialysis solution preparation depassing unit that the embodiment of the invention provides; Comprise and remove air cavity 1, choked flow degasification mechanism 2, liquid-level switch 6 and degassing pump 3; Remove air cavity 1 and be provided with feed tube 4 and drain pipe 5, liquid-level switch 6 is arranged on except that in the air cavity 1, and choked flow degasification mechanism 2 comprises gas removing pipe 21 and spheroid 22; Gas removing pipe 21 vertically is provided with; Spheroid 22 is arranged in the gas removing pipe 21, and the import that removes the gas removing pipe 21 of air cavity 1 and choked flow degasification mechanism 2 is communicated with, and degassing pump 3 is communicated with the outlet of the gas removing pipe 21 of choked flow degasification mechanism 2.Feed tube 4 is arranged on the bottom except that air cavity 1, and feed tube 4 comprises first feed tube 41 and second feed tube 42.Drain pipe 5 is arranged on the middle and lower part except that the sidewall of air cavity 1, and liquid-level switch 6 is arranged on except that the middle and upper part in the air cavity 1.
It is electromagnetic valve that pipeline between choked flow degasification mechanism 2 and the degassing pump 3 is provided with first control valve, 7, the first control valves 7.It is electromagnetic valve that the drain pipe 5 that removes air cavity 1 is provided with second control valve, 8, the second control valves 8.Controller is connected with second control valve 8 with liquid-level switch 6, degassing pump 3, first control valve 7 respectively, and controller is according to the action of signal controlling degassing pump 3, first control valve 7 and second control valve 8 of liquid-level switch 6.
The work process of the dialysis solution preparation depassing unit that the embodiment of the invention provides is following:
Mix when dialysis solution gets into to remove in the air cavity 1,, explain that getting into the liquid that removes air cavity 1 exists bubble if liquid level is lower than setting value; Cause liquid level to descend, then during liquid-level switch 6 conductings, send a signal after liquid-level switch 6 conductings and give controller; Controller obtains cutting out second control valve 8 behind the signal, opens first control valve 7 and degassing pump 3, enters in the gas removing pipe 21 of choked flow degasification mechanism 2 under the gas combined effect of the negative-pressure sucking of power and degassing pump 3 outside; At this moment, the spheroid 22 in the gas removing pipe 21 also can be drawn onto the top of gas removing pipe 21 under the effect of the negative-pressure sucking of degassing pump 3, because the outlet of gas removing pipe 21 is less than spheroid 22; So spheroid 22 can stop up the outlet of gas removing pipe 21; Because the density of gas is less than density of liquid, gas on the upper strata of gas removing pipe 21 and liquid in the lower floor of gas removing pipe 21, this moment, gas still can be taken away rapidly; And liquid is blocked by spheroid 22, can't be taken away together along with the suction of negative pressure.When liquid arrives the lower end of spheroid 22; Spheroid 22 has stopped up the outlet of gas removing pipe 21, causes negative pressure pressure to reduce, and this moment, liquid-level switch 6 can detect the rising except that liquid level in the air cavity 1; Thereby the state of liquid-level switch 6 is changed into by conducting and closing; This moment, liquid-level switch 6 sent a signal again to controller, and controller obtains cutting out first control valve 7 and degassing pump 3 behind the signal, opens second control valve 8.Spheroid 22 loses negative-pressure sucking thereupon closing of first control valve 7, the bottom of under the self gravitation effect, falling back to gas removing pipe 21, and the liquid that is drunk up also can fall back to except that in the air cavity 1, accomplishes the work of degasification choked flow this moment.
Compared with prior art, dialysis solution preparation depassing unit provided by the invention, degasification fast, effectively both can guarantee the safety and dehydration precision of dialysis treatment, can not take off redundant moisture liquid again.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. a dialysis solution is prepared depassing unit; It is characterized in that comprise controller, remove air cavity, choked flow degasification mechanism, liquid-level switch and degassing pump, the said air cavity that removes is provided with feed tube and drain pipe; Said liquid-level switch is arranged on said removing in the air cavity; Said choked flow degasification mechanism comprises gas removing pipe and spheroid, and said gas removing pipe vertically is provided with, and said spheroid is arranged in the said gas removing pipe; The said import that removes the gas removing pipe of air cavity and said choked flow degasification mechanism is communicated with, and said degassing pump is communicated with the outlet of the gas removing pipe of said choked flow degasification mechanism; Pipeline between said choked flow degasification mechanism and the said degassing pump is provided with first control valve, and the said drain pipe that removes air cavity is provided with second control valve; Said controller is connected with said liquid-level switch, degassing pump, first control valve and second control valve respectively, and said controller is according to the action of the said degassing pump of the signal controlling of said liquid-level switch, first control valve and second control valve.
2. dialysis solution preparation depassing unit according to claim 1 is characterized in that said first control valve is an electromagnetic valve.
3. dialysis solution preparation depassing unit according to claim 1 is characterized in that said second control valve is an electromagnetic valve.
4. dialysis solution preparation depassing unit according to claim 1 is characterized in that said feed tube is arranged on said bottom of removing air cavity.
5. dialysis solution preparation depassing unit according to claim 4 is characterized in that said feed tube comprises first feed tube and second feed tube.
6. dialysis solution preparation depassing unit according to claim 1 is characterized in that said drain pipe is arranged on said middle and lower part of removing the sidewall of air cavity.
7. dialysis solution preparation depassing unit according to claim 6 is characterized in that said liquid-level switch is arranged on said middle and upper part of removing in the air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101335997A CN102631721A (en) | 2012-04-28 | 2012-04-28 | Degassing device for preparing dialyzate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101335997A CN102631721A (en) | 2012-04-28 | 2012-04-28 | Degassing device for preparing dialyzate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102631721A true CN102631721A (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101335997A Pending CN102631721A (en) | 2012-04-28 | 2012-04-28 | Degassing device for preparing dialyzate |
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| Country | Link |
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| CN (1) | CN102631721A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357268A (en) * | 2012-04-06 | 2013-10-23 | 细胞科技有限公司 | Biochemical sample filtering system and filtering method |
| CN106310413A (en) * | 2016-08-30 | 2017-01-11 | 重庆市澳凯龙医疗器械研究有限公司 | Air automatically eliminating system for blood pipe used in blood purification |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961918A (en) * | 1972-03-20 | 1976-06-08 | Johnson Thomas B | Method and apparatus for degassing liquids |
| US4293409A (en) * | 1976-10-14 | 1981-10-06 | Gambro Ab | Artificial kidney dialysate preparation system |
| US4698160A (en) * | 1980-02-21 | 1987-10-06 | Toray Industries, Inc. | Method and apparatus for preparing hemodialysis fluids of accurately portioned components |
| CN1846794A (en) * | 2006-05-17 | 2006-10-18 | 重庆山外山科技有限公司 | De-airing device for purifying blood |
| CN202620333U (en) * | 2012-04-28 | 2012-12-26 | 广东宝莱特医用科技股份有限公司 | Dialyzate preparation degassing device |
-
2012
- 2012-04-28 CN CN2012101335997A patent/CN102631721A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961918A (en) * | 1972-03-20 | 1976-06-08 | Johnson Thomas B | Method and apparatus for degassing liquids |
| US4293409A (en) * | 1976-10-14 | 1981-10-06 | Gambro Ab | Artificial kidney dialysate preparation system |
| US4698160A (en) * | 1980-02-21 | 1987-10-06 | Toray Industries, Inc. | Method and apparatus for preparing hemodialysis fluids of accurately portioned components |
| CN1846794A (en) * | 2006-05-17 | 2006-10-18 | 重庆山外山科技有限公司 | De-airing device for purifying blood |
| CN202620333U (en) * | 2012-04-28 | 2012-12-26 | 广东宝莱特医用科技股份有限公司 | Dialyzate preparation degassing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357268A (en) * | 2012-04-06 | 2013-10-23 | 细胞科技有限公司 | Biochemical sample filtering system and filtering method |
| CN103357268B (en) * | 2012-04-06 | 2015-06-24 | 细胞科技有限公司 | Biochemical sample filtering system and filtering method |
| CN106310413A (en) * | 2016-08-30 | 2017-01-11 | 重庆市澳凯龙医疗器械研究有限公司 | Air automatically eliminating system for blood pipe used in blood purification |
| CN106310413B (en) * | 2016-08-30 | 2019-03-12 | 重庆澳凯龙医疗科技股份有限公司 | Blood purification transducer potector automatically removing air system |
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Application publication date: 20120815 |