CN202161595U - Bicirculating heat sterilization system in hemodialysis machine - Google Patents
Bicirculating heat sterilization system in hemodialysis machine Download PDFInfo
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- CN202161595U CN202161595U CN2011202737137U CN201120273713U CN202161595U CN 202161595 U CN202161595 U CN 202161595U CN 2011202737137 U CN2011202737137 U CN 2011202737137U CN 201120273713 U CN201120273713 U CN 201120273713U CN 202161595 U CN202161595 U CN 202161595U
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- heat sterilization
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Abstract
The utility model discloses a bicirculating heat sterilization system in a hemodialysis machine. The system includes a clean solution pipeline for producing dialysis solution, a first circulating heat sterilization system for the heat sterilization of the clean solution pipeline, a waste solution pipeline for discharging waste solution, a second circulating heat sterilization system for the heat sterilization of the waste solution pipeline, and a heat exchanger connected between the first circulating heat sterilization system and the second circulating heat sterilization system, wherein the clean solution pipeline is connected in series in the first circulating heat sterilization system, and the waste solution pipeline is connected in series in the second circulating heat sterilization system. Closed circulating sterilization pipelines for the clean solution and the waste solution are independent from each other, so as to eliminate sterilization blind areas and avoid cross infection between the waste solution pipeline and the clean solution pipeline; the heat exchanger is arranged between the clean solution circulating sterilization pipeline and the waste solution circulating sterilization pipeline which are independent from each other, so that disinfectant in the second circulating heat sterilization system can be more safely heated; and the system has the advantages of simple and compact structure, small volume and low manufacturing cost.
Description
Technical field
This utility model relates to the decontamination system in a kind of haemodialysis control unit, especially relates to bicirculating heat sterilization system in a kind of haemodialysis control unit.
Background technology
Hemodialysis be with blood through a kind of small-molecule substance that can only let (like electrolyte; Micromolecule kidney property toxin) dialyser that the semipermeable membrane that passes through is processed; Make the side of blood at film, dialysis solution is at the opposite side of film, and the solution of both sides is through disperse, osmosis; Be that solute is by the high low side flow of a side direction concentration of concentration; Let in the blood in, the micromolecule toxin may penetrate in the dialysis solution, electrolyte also can reach balance through osmosis, thereby realizes the therapy equipment of blood purification purpose.
When hemodialysis, the little ecological quality in order to guarantee that dialysis solution is best reaches best dialysis-effect; Operator and attendant as haemodialysis control unit; That must pay special attention to machine dailyly buys clearly and sterilizes, and after removing dialysis, residues in protein, fat, calcium salt and the deleterious metabolite in the pipeline, has so not only stopped growing and cross infection of virus; Can also maintain machinery better, prolong its service life; Simultaneously, farthest improved therapeutic effect, sufferer has been responsible for.
For preventing cross infection; The blood conduit of haemodialysis control unit is carried out disposable use; And the dialysis solution pipeline is because of a variety of causes; Can't adopt Bullet structure, and must be in each back of using to residuing in protein, fat, calcium salt and deleterious metabolite in the pipeline and clean and sterilizing.See from disinfectant program: after dialysis finished, the dialysis solution pipeline entry and exit that contact with dialyser linked together, and sterilize simultaneously with the dialysis machine internal pipeline.Concentrated disinfectant liquid sucks machine by the disinfectant solution suction inlet, is mixed into the disinfectant solution of suitable concn by a certain percentage with RO water, circulates and is detained a period of time at machine intimate, and all pipelines are carried out thoroughly effectively sterilization flushing, enters down water by discharge outlet then.
Existing haemodialysis control unit decontamination system, the pipeline portions that not only existence sterilization blind area, and clean liquid and waste liquid are flowed through has overlapping; Cause the waste liquid clean liquid pipeline of can flowing through; Make clean liquid pipeline also receive the pollution of waste liquid,, will increase the risk of cross infection if sterilize not thoroughly; And,, can't the disinfectant solution of waste liquid pipeline be heated, thereby influenced Disinfection Effect owing to do not have heater in the waste liquid pipeline.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming that prior art exists, and bicirculating heat sterilization system in a kind of safe and reliable, haemodialysis control unit that can effectively prevent cross infection is provided.
This utility model adopts following technical scheme to realize: bicirculating heat sterilization system in a kind of haemodialysis control unit, and it comprises: the clean liquid pipeline that is used to produce dialysis solution; Be used for clean liquid pipeline is carried out the first cycling hot decontamination system of heat sterilization, clean liquid pipeline is serially connected among the first cycling hot decontamination system; The waste liquid pipeline that is used for effluent discharge; Be used for the waste liquid pipeline is carried out the second cycling hot decontamination system of heat sterilization, the waste liquid pipeline is serially connected among the second cycling hot decontamination system; Be connected the heat exchanger between the first cycling hot decontamination system and the second cycling hot decontamination system.
In a preferred embodiment, the first cycling hot decontamination system comprises: with the clean liquid joint that dialysis solution on dialyser inlet links to each other, this clean liquid joint is serially connected in the outfan of clean liquid pipeline; Input at clean liquid pipeline connects a clean liquid socket that couples with clean liquid joint; Connect first disinfection solution barrel that clean liquid pipeline is used to hold disinfectant solution.
Wherein, the outfan of clean liquid pipeline be connected in series one first gauge tap between the liquid joint only.Said first gauge tap is an electromagnetic valve.
In a preferred embodiment, the second cycling hot decontamination system comprises: the waste liquid joint that links to each other with waste liquid outlet on the dialyser, and this waste liquid joint is serially connected in the input of waste liquid pipeline; Outfan at the waste liquid pipeline connects a waste liquid socket that couples with the waste liquid joint; Second disinfection solution barrel that connects the waste liquid pipeline.
Wherein, between the input of waste liquid pipeline and waste liquid joint, be connected in series one second gauge tap.Said second gauge tap is an electromagnetic valve.
In a preferred embodiment, bicirculating heat sterilization system also comprises in the said haemodialysis control unit: between the input of the outfan of clean liquid pipeline and waste liquid pipeline, be connected in series a Bypass Control switch.
In a preferred embodiment, said heat exchanger is connected between clean liquid socket and the waste liquid socket.
In a preferred embodiment, said heat exchanger comprises: be arranged on the first fluid pipe in the first cycling hot decontamination system; Be arranged on second fluid hose in the second cycling hot decontamination system; And be provided for transmitting fast the heat conducting film of heat between the first fluid pipe and the second stream pipe.
Compared with prior art, the utlity model has following beneficial effect:
This utility model has adopted clean liquid and waste liquid sealing and circulating heat sterilization pipeline independently mutually, has not only stopped because the halfway sterilization of sterilization blind area more can prevent the waste liquid pipeline and produce cross infection between the liquid pipeline only, thereby make sterilization more thorough; Adopt non-hot plate to heat to the heat sterilization of waste liquid pipeline, but adopt the disinfectant solution of heat exchanger from clean liquid pipeline to carry out the heat conduction, have characteristics such as heating is safe, simple in structure, reliability height.In addition; Two cycling hot decontamination systems in the haemodialysis control unit that this utility model proposes, simple and compact for structure, reasonable in design, volume is little; Low cost of manufacture; Can be applicable in the hemodialysis apparatus to have based on the haemodialysis control unit of this utility model manufacturing that mobility is good, safety clean preferably, have higher application market in promotional value.
Description of drawings
Fig. 1 is the structural representation of bicirculating heat sterilization system in this utility model haemodialysis control unit.
The specific embodiment
As shown in Figure 1, two cycling hot decontamination systems are used for the clean liquid pipeline 20 that is used with dialyser 10 is carried out heat sterilization respectively with waste liquid pipeline 31 in the haemodialysis control unit that this utility model proposes.
Wherein, after one first gauge tap 23 of the outfan of clean liquid pipeline 20 serial connection, entering the mouth through a clean liquid joint 24 and dialysis solution on the dialyser 10 11 is connected; And after one second gauge tap 29 of the input of waste liquid pipeline 31 serial connection, be connected with waste liquid outlet 12 on the dialyser 10 through a waste liquid joint 28.
At least be provided with in the clean liquid pipeline 20: the A liquid liquid bucket that holds the A mixed liquor; Connect A liquid liquid bucket, be used for the A liquid liquid pump with wherein A mixture pump to A liquid hybrid chamber, wherein A liquid hybrid chamber connects A liquid liquid pump; Hold the B liquid liquid bucket of B mixed liquor; Connect B liquid liquid bucket, be used for the B liquid liquid pump with wherein B mixture pump to B liquid hybrid chamber, wherein the outfan of B liquid liquid pump, A liquid hybrid chamber all connects the input of B liquid hybrid chamber; Water for dialysis gets into the heating chamber that is connected with water inlet pipe 21 through water inlet pipe 21, and the outfan of heating chamber connects one of them input of B liquid liquid pump; Be connected two counter balance pocket on the outfan of B liquid hybrid chamber.Therefore, under the effect of A liquid liquid pump, water for dialysis and A mixed liquor get into A liquid hybrid chamber mix homogeneously, export B liquid hybrid chamber then to; Under the effect of B liquid liquid pump, water for dialysis and B mixed liquor get into B liquid hybrid chamber mix homogeneously, output dialysis solution.
And waste liquid pipeline 31 mainly comprises the ultrafiltrate pump that connects two counter balance pocket, and the discharge opeing gauge tap that is connected one of them outfan of ultrafiltrate pump.
Two cycling hot decontamination systems that this utility model proposes comprise: be connected the clean liquid socket 25 between clean liquid pipeline 20 inputs and the clean liquid joint 24, and clean liquid socket 25 can couple with clean liquid joint 24; First disinfection solution barrel 26 that connects clean liquid pipeline 20; Be connected the waste liquid socket 33 between waste liquid pipeline 31 outfans and the waste liquid joint 28, and waste liquid socket 33 can couple with waste liquid joint 28; Connect second disinfection solution barrel 32 in the waste liquid pipeline 31; And, between clean liquid socket 25 and waste liquid socket 33, be connected a heat exchanger 40.
Wherein, heat exchanger 40 comprises: be serially connected in the first fluid pipe 41 between the input of clean liquid socket 25 and clean liquid pipeline 20; Be serially connected in second fluid hose 42 between the outfan of waste liquid socket 33 and waste liquid pipeline 31; Between the first fluid pipe 41 and second fluid hose 42 the good heat conducting film of one deck heat conductivility is set.Therefore, when flowing through the higher liquid of temperature in the first fluid pipe 41, will pass to the liquid in second fluid hose 42, the temperature of the liquid in second fluid hose 42 is raise through the heat conducting film heat.
In addition, between the outfan of clean liquid pipeline 20 and first gauge tap 23, be connected in series one first three-way connector 22; Between the input of waste liquid pipeline 31 and second gauge tap 29, be connected in series one second three-way connector 30; Between first three-way connector 22 and second three-way connector 30, be connected in series Bypass Control switch 27.
Wherein, the discharge opeing gauge tap in first gauge tap 23, second gauge tap 29, Bypass Control switch 27 and the waste liquid pipeline 31 all can be electromagnetic valve.
Dash in advance with the dialysis state under: clean liquid joint 24 is connected with dialysis solution inlet 11 on the dialyser 10, and waste liquid joint 28 is connected with waste liquid outlet 12 on the dialyser 10, and control and open first gauge tap 23 and second gauge tap 29.At this moment, get into dialysers 10 through two counter balance pocket, first gauge tap 23, clean liquid joint 24, dialysis solution inlet 11 successively from the dialysis solution of the outfan of B liquid hybrid chamber output; The waste liquid that forms dialyser 10 discharges passes through waste liquid outlet 12, waste liquid joint 28, second gauge tap 29 and waste liquid pipeline 31 successively, and the discharge opeing gauge tap in the waste liquid pipeline 31 is opened in control, and waste liquid is discharged from waste liquid pipeline 31 through the discharge opeing gauge tap.
Under disinfection: clean liquid joint 24 is pulled out from the dialysis solution inlet 11 on the dialyser 10; Waste liquid joint 28 is pulled out from the waste liquid outlet 12 on the dialyser 10; And clean liquid socket 25 is connected with clean liquid joint 24, and waste liquid socket 33 can be connected with waste liquid joint 28; First gauge tap 23 and second gauge tap 29 are opened in control; And what water inlet pipe 21 and clean liquid pipeline 20 were broken off in control is connected, control that A liquid liquid bucket in the clean liquid pipeline 20 is connected with the disconnection of A liquid liquid pump, B liquid liquid bucket is connected with the disconnection of B liquid liquid pump; First disinfection solution barrel 26 is connected the input of B liquid liquid pump in the clean liquid pipeline 20, second disinfection solution barrel 32 is connected the input of ultrafiltrate pump in the waste liquid pipeline 31.At this moment; Disinfectant solution in first disinfection solution barrel 26 is got back to the heating chamber in the clean liquid pipeline 20 through the outfan of clean liquid pipeline 20, first three-way connector 22, first gauge tap 23, clean liquid joint 24 and clean liquid socket 25 successively, constitutes the first cycling hot decontamination system; Disinfectant solution is constantly circulation in the first cycling hot decontamination system; In each circulation, by heating chamber disinfectant solution is heated, when the disinfectant solution after the heating flows through first fluid pipe 41; Heat sees through the heat conducting film in the heat exchanger 40, and the disinfectant solution in second fluid hose 42 also is heated.
And the disinfectant solution in second disinfection solution barrel 32 passes through input, waste liquid socket 33, waste liquid joint 28, second gauge tap 29 and second three-way connector 30 of waste liquid pipeline 31 successively; Get back to the input of waste liquid pipeline 31; Constitute the second cycling hot decontamination system; Disinfectant solution is constantly circulation in the second cycling hot decontamination system, and disinfectant solution obtains heat through the disinfectant solution of heat exchanger 40 from the first cycling hot decontamination system.
After sterilization is accomplished; The discharge opeing gauge tap in Bypass Control switch 27 and the waste liquid pipeline 31 is opened in control; At this moment; Disinfectant solution through clean liquid pipeline 20 gets in the waste liquid pipeline 31 through Bypass Control switch 27, then along with the disinfectant solution in the waste liquid pipeline 31 discharge opeing gauge tap from waste liquid pipeline 31 is together discharged.
Wherein, disinfectant solution generally adopts the mixed liquor of pure water and sodium citrate, and the temperature of disinfectant solution is more than 70 ℃ the time, and Disinfection Effect is best.
The above is merely the preferred embodiment of this utility model; Not in order to restriction this utility model; Any modification of being done within all spirit and principles at this utility model, be equal to replacement and improvement etc., all should be included within the protection domain of this utility model.
Claims (10)
1. bicirculating heat sterilization system in the haemodialysis control unit is characterized in that, comprising: the clean liquid pipeline that is used to produce dialysis solution; Be used for clean liquid pipeline is carried out the first cycling hot decontamination system of heat sterilization, clean liquid pipeline is serially connected among the first cycling hot decontamination system; The waste liquid pipeline that is used for effluent discharge; Be used for the waste liquid pipeline is carried out the second cycling hot decontamination system of heat sterilization, the waste liquid pipeline is serially connected among the second cycling hot decontamination system; Be connected the heat exchanger between the first cycling hot decontamination system and the second cycling hot decontamination system.
2. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 1, it is characterized in that the first cycling hot decontamination system comprises: the clean liquid joint that links to each other with dialysis solution inlet on the dialyser, this clean liquid joint is serially connected in the outfan of clean liquid pipeline; Input at clean liquid pipeline connects a clean liquid socket that couples with clean liquid joint; Connect first disinfection solution barrel that clean liquid pipeline is used to hold disinfectant solution.
3. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 2, it is characterized in that, the outfan of clean liquid pipeline be connected in series one first gauge tap between the liquid joint only.
4. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 3, it is characterized in that said first gauge tap is an electromagnetic valve.
5. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 2, it is characterized in that the second cycling hot decontamination system comprises: the waste liquid joint that links to each other with waste liquid outlet on the dialyser, this waste liquid joint is serially connected in the input of waste liquid pipeline; Outfan at the waste liquid pipeline connects a waste liquid socket that couples with the waste liquid joint; Second disinfection solution barrel that connects the waste liquid pipeline.
6. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 5, it is characterized in that said heat exchanger is connected between clean liquid socket and the waste liquid socket.
7. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 5, it is characterized in that, between the input of waste liquid pipeline and waste liquid joint, be connected in series one second gauge tap.
8. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 7, it is characterized in that said second gauge tap is an electromagnetic valve.
9. according to bicirculating heat sterilization system in the said haemodialysis control unit of claim 1, it is characterized in that said heat sterilization system also comprises: between the input of the outfan of clean liquid pipeline and waste liquid pipeline, be connected in series a Bypass Control switch.
10. according to bicirculating heat sterilization system in any one said haemodialysis control unit of claim 1-9, it is characterized in that said heat exchanger comprises: be arranged on the first fluid pipe in the first cycling hot decontamination system; Be arranged on second fluid hose in the second cycling hot decontamination system; And be provided for transmitting fast the heat conducting film of heat between the first fluid pipe and the second stream pipe.
Priority Applications (1)
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CN2011202737137U CN202161595U (en) | 2011-07-29 | 2011-07-29 | Bicirculating heat sterilization system in hemodialysis machine |
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CN2011202737137U CN202161595U (en) | 2011-07-29 | 2011-07-29 | Bicirculating heat sterilization system in hemodialysis machine |
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CN2011202737137U Expired - Fee Related CN202161595U (en) | 2011-07-29 | 2011-07-29 | Bicirculating heat sterilization system in hemodialysis machine |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104288853A (en) * | 2013-07-18 | 2015-01-21 | B·布莱恩·阿维图姆股份公司 | Dialysis system with heat recovery |
CN104519924A (en) * | 2012-11-28 | 2015-04-15 | 甘布罗伦迪亚股份公司 | Systems, apparatus, equipment with thermal disinfection and thermal disinfection methods |
CN104623751A (en) * | 2013-11-13 | 2015-05-20 | 甘布罗伦迪亚股份公司 | Dialysis monitors and methods of operation |
CN110325230A (en) * | 2017-02-23 | 2019-10-11 | 费森尤斯医疗护理德国有限责任公司 | External haemodialysis equipment and for moving body outside haemodialysis equipment method |
-
2011
- 2011-07-29 CN CN2011202737137U patent/CN202161595U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104519924A (en) * | 2012-11-28 | 2015-04-15 | 甘布罗伦迪亚股份公司 | Systems, apparatus, equipment with thermal disinfection and thermal disinfection methods |
CN104288853A (en) * | 2013-07-18 | 2015-01-21 | B·布莱恩·阿维图姆股份公司 | Dialysis system with heat recovery |
US9827362B2 (en) | 2013-07-18 | 2017-11-28 | B. Braun Avitum Ag | Dialysis system comprising heat recovery |
CN104623751A (en) * | 2013-11-13 | 2015-05-20 | 甘布罗伦迪亚股份公司 | Dialysis monitors and methods of operation |
CN110325230A (en) * | 2017-02-23 | 2019-10-11 | 费森尤斯医疗护理德国有限责任公司 | External haemodialysis equipment and for moving body outside haemodialysis equipment method |
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Granted publication date: 20120314 Termination date: 20190729 |
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CF01 | Termination of patent right due to non-payment of annual fee |