CN106124139A - A kind of method of quick detection dialyser seepage - Google Patents

A kind of method of quick detection dialyser seepage Download PDF

Info

Publication number
CN106124139A
CN106124139A CN201610676399.4A CN201610676399A CN106124139A CN 106124139 A CN106124139 A CN 106124139A CN 201610676399 A CN201610676399 A CN 201610676399A CN 106124139 A CN106124139 A CN 106124139A
Authority
CN
China
Prior art keywords
dialyser
measured
water
seepage
water leakage
Prior art date
Application number
CN201610676399.4A
Other languages
Chinese (zh)
Other versions
CN106124139B (en
Inventor
彭俊
张洪元
Original Assignee
上海佩尼医疗科技发展有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海佩尼医疗科技发展有限公司 filed Critical 上海佩尼医疗科技发展有限公司
Priority to CN201610676399.4A priority Critical patent/CN106124139B/en
Publication of CN106124139A publication Critical patent/CN106124139A/en
Application granted granted Critical
Publication of CN106124139B publication Critical patent/CN106124139B/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3272Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point

Abstract

A kind of method that the present invention relates to quick detection dialyser seepage, it is included under setup parameter environment measurement pressurising pressure drop, pressurising seepage is measured under same parametric environmental, determining the critical air pressure fall that seepage is corresponding, the pressure drop comparative result recorded according to this critical air pressure fall and other dialysers of same specification batch judges the steps such as this dialyser whether seepage.The present invention quickly detects the method for dialyser seepage and provides a kind of quick, method of batch detection dialyser seepage, the relation being determined by quantity of gas leakage and liquid leakage utilizes air-leakage test to judge dialyser whether seepage, improve the efficiency of detection, there is feature applied widely.

Description

A kind of method of quick detection dialyser seepage
Technical field
The present invention relates to the detection method of a kind of dialyser, particularly to a kind of quick, batch detection dialyser seepage Method, belongs to dialyser Product checking field.
Background technology
Dialyser detection leak test mainly each of inspection container couples whether position has leakage phenomenon.Dialyser seepage The general requirement of detection is total detection, has individual feature, along with the variations in temperature of environment, gas when using air-leakage test dialyser Variations in temperature there will be bigger fluctuation, testing result is had a significant impact, so it is critical to arrange a rational leakage Scope and being able to verify that.Air tightness detection equipment manufacturing firm is the most all to need client to provide product when sale equipment at present Parameter is surveyed in product examine, and the product of a lot of client because of sized by, structure, purposes different, although have corresponding industry standard, but also do not have Have a parameter of a standard, and the parameter in industry standard often to detect the time longer, be not suitable for producing in enormous quantities, so just Phase to be set up a set of suitable, reliable dialyser air-tightness detection method and be generally required and expend the more time.
Summary of the invention
The present invention quickly detects the method for dialyser seepage and discloses new scheme, it is provided that a kind of quick, batch detection The method of dialyser seepage, solves the problem that existing detection scheme is time-consumingly long and is not suitable for batch detection.
The present invention quickly detects the method for dialyser seepage and includes step:
(1) examined by air-tightness after a blood room interface of dialyser to be measured and a dialysis fluid chamber interface being formed parallel connection Survey instrument to connect with source of the gas sealing, another blood room interface of dialyser to be measured and another dialysis fluid chamber sealing joint are blocked.
The most at room temperature, using inflation malleation P set to inflate in dialyser to be measured, inflationtime is T1, during voltage stabilizing Between be T2, the testing time is T3, within the testing time stop inflation, at the end of the testing time, record the gas in dialyser to be measured Pressure drop △ P.
(3), by being full of the water that temperature is body temperature 37 DEG C in the blood room of dialyser to be measured and dialysis fluid chamber, will be filled with water Dialyser to be measured is flat on dry paper after connecting according to step mode (1).
The most at room temperature, use inflation malleation P set to press in dialyser to be measured, carry out closed test, close and survey The examination time is T4, checks the position, gap of the dry paper during step is (3) and dialyser to be measured after the closed test time terminates Water leakage scenarios, records water leakage scenarios.
(5) choose the dialyser to be measured of N number of same specification to repeat step (1)~(4) to obtain N number of △ P corresponding with each △ P Water leakage scenarios.
(6) with each water leakage scenarios corresponding for △ P, the N number of △ P (5) obtained according to step determines that water leakage scenarios is not leak Corresponding maximum △ P value △ PM, determines seepage air pressure drop upper limit △ PB in the numerical range less than △ PM.
(1)~(2) (7) in using step batch detection and step (5), the dialyser product of the same specification of dialyser to be measured obtains The △ P value that each dialyser product is corresponding, by △ P value corresponding for each the dialyser product obtained and step (6) in obtain △ PB compare, be greater than △ PB according to comparative result and judge that corresponding dialyser exists seepage, be less than according to comparative result Or judge that corresponding dialyser does not exist seepage equal to △ PB.
The present invention quickly detects the method for dialyser seepage and provides a kind of quick, side of batch detection dialyser seepage Method, the relation being determined by quantity of gas leakage and liquid leakage utilizes air-leakage test to judge dialyser whether seepage, improves The efficiency of detection, has feature applied widely.
Accompanying drawing explanation
Fig. 1 is that this programme detects dialyser bubble-tight operating principle schematic diagram.
Fig. 2 is the operating principle schematic diagram of this programme blood indoor water-filling to dialyser.
Fig. 3 is this programme operating principle schematic diagram of water-filling in the dialysis fluid chamber of dialyser.
Wherein, 1 is source of the gas, and 2 is air-leakage detector, and 3 is dialyser, and 4 is water tank, and 5 is thermostatic water bath, and 6 is to wriggle Pump, 7 is the import of blood room, and 8 is dialysis fluid chamber outlet, and 9 is dialysis fluid chamber import, and 10 is the outlet of blood room, and 11 is waste water tank.
Detailed description of the invention
The invention will be further described below.
This programme, by weighing the relation of quantity of gas leakage and water seepage situation, is quickly found out detection parameter, thus sets up The dialyser leakage detection method mated with Clinical practice.This detection method mainly make use of source of the gas, air-leakage detector, wriggling Pump, thermostatic water bath and various connection conduit, the simple detecting system of joint composition, the equipment in this system is all the more commonly used Testing equipment.This programme can face according to the leakage that presetting major parameter finds the dialyser of particular batch specification corresponding Boundary's point, arranges standard value in the range of critical point, and each testing result compares with batch to utilize this standard value, thus sentences Break and whether leak, it is ensured that reliable results.The method that it is an object of the invention to provide the leakage of a kind of quick detection dialyser.One First preparing detected sample for as, the most presetting parameter (generally comprises but is not limited only to: normal pressure, punching press time, voltage stabilizing Time, testing time), measure the diarrhea due to stagnation of QI leakage quantity of each sample according to presetting parameter, then sample is filled water, detect whether There is water seepage, find out the test critical point of suitable diarrhea due to stagnation of QI leakage quantity according to water leakage scenarios.Then presetting parameter is formulated corresponding Diarrhea due to stagnation of QI leakage quantity judges specification value.
The present invention quickly detects the method for dialyser seepage and includes step:
(1) examined by air-tightness after a blood room interface of dialyser to be measured and a dialysis fluid chamber interface being formed parallel connection Survey instrument to connect with source of the gas sealing, another blood room interface of dialyser to be measured and another dialysis fluid chamber sealing joint are blocked.
The most at room temperature, using inflation malleation P set to inflate in dialyser to be measured, inflationtime is T1, during voltage stabilizing Between be T2, the testing time is T3, within the testing time stop inflation, at the end of the testing time, record the gas in dialyser to be measured Pressure drop △ P.
(3), by being full of the water that temperature is body temperature 37 DEG C in the blood room of dialyser to be measured and dialysis fluid chamber, will be filled with water Dialyser to be measured is flat on dry paper after connecting according to step mode (1).
The most at room temperature, use inflation malleation P set to press in dialyser to be measured, carry out closed test, close and survey The examination time is T4, checks the position, gap of the dry paper during step is (3) and dialyser to be measured after the closed test time terminates Water leakage scenarios, records water leakage scenarios.
(5) choose the dialyser to be measured of N number of same specification to repeat step (1)~(4) to obtain N number of △ P corresponding with each △ P Water leakage scenarios.
(6) with each water leakage scenarios corresponding for △ P, the N number of △ P (5) obtained according to step determines that water leakage scenarios is not leak Corresponding maximum △ P value △ PM, determines seepage air pressure drop upper limit △ PB in the numerical range less than △ PM.
(1)~(2) (7) in using step batch detection and step (5), the dialyser product of the same specification of dialyser to be measured obtains The △ P value that each dialyser product is corresponding, by △ P value corresponding for each the dialyser product obtained and step (6) in obtain △ PB compare, be greater than △ PB according to comparative result and judge that corresponding dialyser exists seepage, be less than according to comparative result Or judge that corresponding dialyser does not exist seepage equal to △ PB.
Step (3) in, in order to make to be full of in blood room and dialysis fluid chamber the water of normal body temperature's equivalent temperature, keep away as far as possible Exempting to enter gas, this programme also discloses specially designed water-filling operating process, as shown in Figure 2,3, i.e. step (3) in, will treat The dialysis fluid chamber sealing joint surveying dialyser blocks, and the blood room import of dialyser to be measured is sealed with peristaltic pump and connects, will wriggle Pump seals with thermostatic water bath and connects, and is connected with water tank by thermostatic water bath, is exported with waste water tank even the blood room of dialyser to be measured Logical, open peristaltic pump and the blood room of dialyser to be measured is filled water.With upper in like manner, this programme step (3) in, by dialyser to be measured Blood room sealing joint block, the dialysis fluid chamber import of dialyser to be measured and peristaltic pump are sealed and connect, by peristaltic pump and constant temperature Tank seals connection, is connected with water tank by thermostatic water bath, is exported by the dialysis fluid chamber of dialyser to be measured and connects with waste water tank, opens Open peristaltic pump and the dialysis fluid chamber of dialyser to be measured is filled water.Said process ensure that the constant of water temperature and water can be full of whole The inside of individual dialyser, improves the reliability of detection.
In order to embody the concrete applicable cases of this programme detection method, this programme also discloses application implementation in detail below Example.
Embodiment one
The dialyser product that this example uses is by about 8000~13000 poly (ether sulfone) films of 1 housing, central filler, gather in right amount Urethane glue, 2 blood caps, 2 O, 4 protection cap compositions, length about 300mm, interior diameter about 42mm.
According to the connected mode of Fig. 1, source of the gas 1 is connected with air-leakage detector 2, then air-leakage detector 2 is gone out Mouth divides two branch roads blood room interface and dialysis fluid chamber interface respectively with dialyser 3 to be connected, another blood room interface of dialyser 3 With dialysis fluid chamber sealing joint.At room temperature, 120KPa malleation, filling time 4.0s, voltage stabling control 2.5s, testing time are used The condition of 2.5s is tested, and chooses the dialyser of 7 different air leakage rates, and records diarrhea due to stagnation of QI leakage quantity.By 7 dialyser notes The water (simulation human body temperature) of full about 37 DEG C, according to the connected mode of Fig. 2, is connected water tank 4 with thermostatic water bath 5, constant temperature Tank 5 is connected with peristaltic pump 6, and peristaltic pump water side is connected with the blood room import 7 of dialyser 3, blood room outlet 10 and waste water tank 11 It is connected, simultaneously closes off dialysis solution outlet 8 and import 9.Open peristaltic pump 6 and dialysis solution blood room is filled the water of about 37 DEG C.Then, Close peristaltic pump 6, according to the connected mode of Fig. 3, peristaltic pump 6 is exported and is connected with dialysis solution import 9, by dialysis solution outlet 8 with Waste water tank is connected, and simultaneously closes off blood inlet 7 and blood outlet 10.Open peristaltic pump 6 and dialyser dialysis fluid chamber is filled 37 DEG C The water of left and right.Then by filling the product of water according to above-mentioned detection bubble-tight mode attachment means, by dialyser after connecting Lie against above dry paper.At room temperature, using 120KPa malleation, after closed test device 10min, visual inspection is dried Paper and dialyser parts connecting portion water leakage scenarios record, measurement result is as follows:
To sum up can draw, under room temperature condition, when air pressure fall is less than 93Pa, product is water-tight, and air pressure fall is more than After 120Pa, product leaks.It is possible to according to practical situation less than in the range of 93Pa set the leakage value upper limit, and according to Whether other dialysers of this leakage value upper limit inspection same specification batch can seepages.
Above procedure can be summarized as step (1), step (5) in the length of housing of dialyser to be measured be 300mm, housing Internal diameter be 42mm, be provided with 8000~13000 poly (ether sulfone) films in housing, step (2) in inflation malleation P be 120KPa, inflation Time T1 is 4s, and voltage stabling control T2 is 2.5s, and testing time T3 is 2.5s, step (4) in inflation malleation P be 120KPa, close Testing time T4 is 10min.Further, this programme have selected 7 groups of test patterns, i.e. step (5) in choose 7 same specifications Dialyser to be measured repeats step and (1)~(4) respectively obtains: water leakage scenarios corresponding for △ P1=17Pa, △ P1 is not leak, △ P2= Water leakage scenarios corresponding for 93Pa, △ P2 is not leak, and water leakage scenarios corresponding for △ P3=120Pa, △ P3 is micro-oozing, △ P4= Water leakage scenarios corresponding for 150Pa, △ P4 is micro-oozing, and water leakage scenarios corresponding for △ P5=210Pa, △ P5 is micro-leakage, △ P6 Water leakage scenarios corresponding for=257Pa, △ P4 is micro-leakage, water leakage scenarios corresponding for △ P7=306Pa, △ P4 be leak, drip Water, determines that △ PM is 93Pa, further determines that △ PB is less than or equal to the value of 93Pa.
Embodiment two
The micro dialysis device product that this example uses is by about 200 poly (ether sulfone) films of 1 housing, central filler, appropriate poly-ammonia Ester gum, 2 blood caps, length about 200mm, interior diameter about 6mm.
According to the connected mode of Fig. 1, source of the gas 1 is connected with air-leakage detector 2, then air-leakage detector 2 is gone out Mouth divides two branch roads blood room interface and dialysis fluid chamber interface respectively with dialyser 3 to connect, another blood room interface of dialyser 3 With dialysis fluid chamber sealing joint.At room temperature, employing 70KPa malleation, filling time 12s, voltage stabling control 2s, testing time 3s's Condition is tested, and chooses the micro dialysis device of 7 different air leakage rates, and records diarrhea due to stagnation of QI leakage quantity.7 dialysers are filled The water (simulation human body temperature) of about 37 DEG C, according to the connected mode of Fig. 2, is connected water tank 4 with thermostatic water bath 5, thermostatted water Groove 5 is connected with peristaltic pump 6, and peristaltic pump water side is connected with the blood room import 7 of dialyser 3, blood room outlet 10 and waste water tank 11 phase Even, dialysis solution outlet 8 and import 9 are simultaneously closed off.Open peristaltic pump 6 and dialysis solution blood room is filled the water of about 37 DEG C.Then, close Close peristaltic pump 6, according to the connected mode of Fig. 3, peristaltic pump 6 is exported and is connected with dialysis solution import 9, by dialysis solution outlet 8 with useless Water pot is connected, and simultaneously closes off blood inlet 7 and blood outlet 10.Open peristaltic pump 6 and dialyser dialysis fluid chamber is filled 37 DEG C of left sides Right water.Then by filling the product of water according to above-mentioned detection bubble-tight mode attachment means, after connecting, dialyser is put down It is put in above dry paper.At room temperature, use 70KPa malleation, after closed test device 10min, the paper that visual inspection is dried With dialyser parts connecting portion water leakage scenarios record, measurement result is as follows:
To sum up can draw, under room temperature condition, when air pressure fall is less than 77Pa, product is water-tight, and air pressure fall is more than After 104Pa, product leaks.It is possible to according to practical situation less than in the range of 77Pa set the leakage value upper limit, and according to Whether other dialysers of this leakage value upper limit inspection same specification batch can seepages.
Above procedure can be summarized as step (1), step (5) in the length of housing of dialyser to be measured be 200mm, housing Internal diameter be 6mm, be provided with 200 poly (ether sulfone) films in housing, step (2) in inflation malleation P be 70KPa, inflationtime T1 is 12s, voltage stabling control T2 are 2s, and testing time T3 is 3s, step (4) in inflation malleation P be 70KPa, the closed test time, T4 was 10min.Further, this programme have selected 7 groups of test patterns, i.e. step (5) in choose the dialysis to be measured of 7 same specifications and think highly of (1)~(4) multiple step respectively obtains: water leakage scenarios corresponding for △ P1=57Pa, △ P1 is not leak, △ P2=69Pa, △ P2 couple The water leakage scenarios answered is not leak, and water leakage scenarios corresponding for △ P3=77Pa, △ P3 is not leak, △ P4=104Pa, △ P4 couple The water leakage scenarios answered is micro-oozing, and water leakage scenarios corresponding for △ P5=120Pa, △ P5 is micro-leakage, △ P6=150Pa, △ P4 Corresponding water leakage scenarios is micro-leakage, and water leakage scenarios corresponding for △ P7=267Pa, △ P4 is to leak, drip, and determines that △ PM is 77Pa, further determines that △ PB is less than or equal to the value of 77Pa.
From such results, it can be seen that the method that the detection dialyser that the present invention provides leaks, can be according to the spy of product Property presetting major parameter, and then find out and suitably leak higher limit, there is detection quickly and the feature such as reliable results, and not It is only confined in above-mentioned example.
The method that present solution provides the leakage of a kind of quick detection dialyser, is applicable not only to dialyser and produces in enormous quantities, And there is the good extension suitability, it is possible to apply the leak detection of all analog structures near field.This programme Be determined by the dialyser of a certain specific standard air-tightness under imposing a condition with the relation of leakage scenarios selected may result in let out The airtight pressure drop marginal value of leakage, then the air pressure drop that the dialyser detection of same specification batch obtains is compared with this marginal value, This dialyser whether seepage is judged according to comparative result.Based on above feature, the method phase of the detection dialyser seepage of this programme Than existing dialyser leak detection method, there is prominent substantive distinguishing features and significantly progress.
The method of the quickly detection dialyser seepage of this programme is not limited to detailed description of the invention disclosure, and it comprises Operating procedure on the premise of not violating technical specification and principle, suitable order can be carried out adjust for optimizing operation sequence Changing, those skilled in the art combine, according to this programme, the simple alternative that common knowledge makes and fall within the scope of this programme.

Claims (7)

1. a method for quick detection dialyser seepage, is characterized in that including step:
(1) after a blood room interface of dialyser to be measured and a dialysis fluid chamber interface being formed parallel connection, pass through air-leakage detector Seal with source of the gas and connect, another blood room interface of dialyser to be measured and another dialysis fluid chamber sealing joint are blocked;
The most at room temperature, using inflation malleation P set to inflate in dialyser to be measured, inflationtime is T1, and voltage stabling control is T2, the testing time is T3, stops inflation, record the air pressure drop in dialyser to be measured at the end of the testing time within the testing time △P;
(3), by being full of the water that temperature is body temperature 37 DEG C in the blood room of dialyser to be measured and dialysis fluid chamber, will be filled with the to be measured of water Dialyser is flat on dry paper after connecting according to step mode (1);
The most at room temperature, use inflation malleation P set to press in dialyser to be measured, carry out closed test, during closed test Between be T4, after the closed test time terminates, check that the water at position, gap of the dry paper during step is (3) and dialyser to be measured oozes Leakage situation, records water leakage scenarios;
(5) choose the dialyser to be measured of N number of same specification to repeat step and (1)~(4) obtain N number of △ P and ooze with each water corresponding for △ P Leakage situation;
(6) the N number of △ P (5) obtained according to step determine with each water leakage scenarios corresponding for △ P water leakage scenarios be do not leak institute right The maximum △ P value △ PM answered, determines seepage air pressure drop upper limit △ PB in the numerical range less than △ PM;
(1)~(2) (7) in using step batch detection and step (5), the dialyser product of the same specification of dialyser to be measured obtains each The △ P value that part dialyser product is corresponding, by △ P value corresponding for each the dialyser product obtained and step (6) in the △ that obtains PB compares, and is greater than △ PB according to comparative result and judges that corresponding dialyser exists seepage, be less than according to comparative result or etc. Judge that corresponding dialyser does not exist seepage in △ PB.
The method of quick detection dialyser seepage the most according to claim 1, it is characterised in that step (3) in, by be measured The dialysis fluid chamber sealing joint of dialyser blocks, and the blood room import of dialyser to be measured is sealed with peristaltic pump and connects, by peristaltic pump Seal with thermostatic water bath and connect, thermostatic water bath is connected with water tank, the blood room of dialyser to be measured is exported and connects with waste water tank, Open peristaltic pump and the blood room of dialyser to be measured is filled water.
The method of quick detection dialyser seepage the most according to claim 1, it is characterised in that step (3) in, by be measured The blood room sealing joint of dialyser blocks, and the dialysis fluid chamber import of dialyser to be measured is sealed with peristaltic pump and connects, by peristaltic pump Seal with thermostatic water bath and connect, thermostatic water bath is connected with water tank, the dialysis fluid chamber of dialyser to be measured is exported and waste water tank Connection, opens peristaltic pump and the dialysis fluid chamber of dialyser to be measured is filled water.
The method of quick detection dialyser seepage the most according to any one of claim 1 to 3, it is characterised in that
Step (1), step (5) in the length of housing of dialyser to be measured be 300mm, the internal diameter of housing is 42mm, sets in housing There are 8000~13000 poly (ether sulfone) films,
Step (2) in inflation malleation P be 120KPa, inflationtime T1 is 4s, and voltage stabling control T2 is 2.5s, and the testing time, T3 was 2.5s,
Step (4) in inflation malleation P be 120KPa, the closed test time, T4 was 10min.
The method of quick detection dialyser seepage the most according to claim 4, it is characterised in that step (5) in choose 7 The dialyser to be measured of same specification repeats step and (1)~(4) respectively obtains:
Water leakage scenarios corresponding for △ P1=17Pa, △ P1 is not leak,
Water leakage scenarios corresponding for △ P2=93Pa, △ P2 is not leak,
Water leakage scenarios corresponding for △ P3=120Pa, △ P3 is micro-oozing,
Water leakage scenarios corresponding for △ P4=150Pa, △ P4 is micro-oozing,
Water leakage scenarios corresponding for △ P5=210Pa, △ P5 is micro-leakage,
Water leakage scenarios corresponding for △ P6=257Pa, △ P4 is micro-leakage,
Water leakage scenarios corresponding for △ P7=306Pa, △ P4 is to leak, drip,
Determine that △ PM is 93Pa, further determine that △ PB is less than or equal to the value of 93Pa.
The method of quick detection dialyser seepage the most according to any one of claim 1 to 3, it is characterised in that
Step (1), step (5) in the length of housing of dialyser to be measured be 200mm, the internal diameter of housing is 6mm, is provided with in housing 200 poly (ether sulfone) films,
Step (2) in inflation malleation P be 70KPa, inflationtime T1 is 12s, and voltage stabling control T2 is 2s, and testing time T3 is 3s,
Step (4) in inflation malleation P be 70KPa, the closed test time, T4 was 10min.
The method of quick detection dialyser seepage the most according to claim 6, it is characterised in that step (5) in choose 7 The dialyser to be measured of same specification repeats step and (1)~(4) respectively obtains:
Water leakage scenarios corresponding for △ P1=57Pa, △ P1 is not leak,
Water leakage scenarios corresponding for △ P2=69Pa, △ P2 is not leak,
Water leakage scenarios corresponding for △ P3=77Pa, △ P3 is not leak,
Water leakage scenarios corresponding for △ P4=104Pa, △ P4 is micro-oozing,
Water leakage scenarios corresponding for △ P5=120Pa, △ P5 is micro-leakage,
Water leakage scenarios corresponding for △ P6=150Pa, △ P4 is micro-leakage,
Water leakage scenarios corresponding for △ P7=267Pa, △ P4 is to leak, drip,
Determine that △ PM is 77Pa, further determine that △ PB is less than or equal to the value of 77Pa.
CN201610676399.4A 2016-08-17 2016-08-17 A kind of method of quick detection dialyzer leakage CN106124139B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610676399.4A CN106124139B (en) 2016-08-17 2016-08-17 A kind of method of quick detection dialyzer leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610676399.4A CN106124139B (en) 2016-08-17 2016-08-17 A kind of method of quick detection dialyzer leakage

Publications (2)

Publication Number Publication Date
CN106124139A true CN106124139A (en) 2016-11-16
CN106124139B CN106124139B (en) 2019-01-29

Family

ID=57279388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610676399.4A CN106124139B (en) 2016-08-17 2016-08-17 A kind of method of quick detection dialyzer leakage

Country Status (1)

Country Link
CN (1) CN106124139B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87106017A (en) * 1987-08-29 1988-04-06 哈尔滨工业大学 Encapsulation parts small opening detects screening method and device
CN101592547A (en) * 2008-05-27 2009-12-02 北京谊安医疗系统股份有限公司 The method of anesthesia machine system Leak Detection
CN101963539A (en) * 2009-07-24 2011-02-02 上海新沪电机厂有限公司 Method for detecting air-tightness of cavity of electromechanical product
CN101972497A (en) * 2010-12-01 2011-02-16 贝恩医疗设备(广州)有限公司 Process for preparing dialyzer
CN202974602U (en) * 2012-12-03 2013-06-05 旭化成医疗株式会社 Medical loop inspection device
CN104689395A (en) * 2013-12-05 2015-06-10 天津市迈克尔化工有限公司 Experimental facility for dialyzer ultrafiltration rate and clearance rate
CN104977141A (en) * 2015-07-06 2015-10-14 中国第一汽车股份有限公司 Method for detecting overall engine leakage of diesel engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87106017A (en) * 1987-08-29 1988-04-06 哈尔滨工业大学 Encapsulation parts small opening detects screening method and device
CN101592547A (en) * 2008-05-27 2009-12-02 北京谊安医疗系统股份有限公司 The method of anesthesia machine system Leak Detection
CN101963539A (en) * 2009-07-24 2011-02-02 上海新沪电机厂有限公司 Method for detecting air-tightness of cavity of electromechanical product
CN101972497A (en) * 2010-12-01 2011-02-16 贝恩医疗设备(广州)有限公司 Process for preparing dialyzer
CN202974602U (en) * 2012-12-03 2013-06-05 旭化成医疗株式会社 Medical loop inspection device
CN104689395A (en) * 2013-12-05 2015-06-10 天津市迈克尔化工有限公司 Experimental facility for dialyzer ultrafiltration rate and clearance rate
CN104977141A (en) * 2015-07-06 2015-10-14 中国第一汽车股份有限公司 Method for detecting overall engine leakage of diesel engine

Also Published As

Publication number Publication date
CN106124139B (en) 2019-01-29

Similar Documents

Publication Publication Date Title
CN104729948B (en) Coal containing methane gas aqueous vapor two phase fluid flow experimental system and method
CN101799349B (en) Device and method for detecting sealing property of sealing component
CN100514019C (en) High-temperature high pressure helium leak detection method and apparatus for detecting leakage thereof
JP3014089B2 (en) Method and apparatus for quickly estimating the shelf life of a negative pressure blood collection tube
CN103822761A (en) Sealing detection apparatus and method
CN103308254B (en) A kind of oil cooler dry test method for testing leak tightness and device thereof
CN206095546U (en) Sealed harmless testing arrangement of conticaster water cooled machine
CN103471686A (en) Gas flow standard device and application method thereof
CN102539082B (en) Leakage detection apparatus and the method for search gas is made with hydrogen
CN2750316Y (en) Gas transmissibility analyzer
CN206248296U (en) One kind is used for gas meter, flow meter ball valve air-tightness pressure detecting instrument
EP2725335A1 (en) Method and device for verification and/or calibration of a pressure sensor
US6314794B1 (en) Method and apparatus for detecting leaks in heat exchangers for motor vehicles
CN105067193B (en) A kind of actuator leak detector and its application method
CN102359930A (en) Test method for porosity of asphalt mixture, and apparatus thereof
CN104101470A (en) Pipeline flange test system
CN206440441U (en) A kind of differential pressure type air leakage tester
CN102183444A (en) Device and method for testing gas permeability in inner direction of paving layer surface
CN104007082B (en) SF in a kind of GIS pipeline6concentration off-line detection device
CN205426439U (en) Valve seal nature detection frock
KR101395739B1 (en) Apparatus and method for detecting leakage of gas meter
CN101846574A (en) Detection method for sealing performance of lamp
CN107036769B (en) It is a kind of for calibrating the system and method for different probe gas vacuum leak leak rates
CN101881689A (en) Large-capacity power lithium-ion battery sealing-performance testing equipment and test method thereof
EP2669656A1 (en) Testing apparatus for testing air permeability on thickness direction of plastic matrix, and method therefor

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant