CN208596045U - A kind of dialyzer Performance Appraisal System - Google Patents
A kind of dialyzer Performance Appraisal System Download PDFInfo
- Publication number
- CN208596045U CN208596045U CN201820824072.1U CN201820824072U CN208596045U CN 208596045 U CN208596045 U CN 208596045U CN 201820824072 U CN201820824072 U CN 201820824072U CN 208596045 U CN208596045 U CN 208596045U
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- adapter
- dialyzer
- pipe
- liquid container
- repacking
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- 239000008280 blood Substances 0.000 claims abstract description 31
- 210000004369 blood Anatomy 0.000 claims abstract description 31
- 239000000385 dialysis solution Substances 0.000 claims abstract description 24
- 238000004088 simulation Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000000502 dialysis Methods 0.000 claims abstract description 18
- 238000012857 repacking Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000003053 toxin Substances 0.000 description 4
- 231100000765 toxin Toxicity 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
A kind of dialyzer Performance Appraisal System, it is related to dialyzer device for evaluating performance field, including dialysis machine, dialyzer and simulation liquid container, dialysis fluid chamber entrance and the dialysis fluid chamber outlet of dialyzer are connected with dialysis machine respectively, the blood chamber inlet of dialyzer is connected through pump with simulation liquid container, and the blood room outlet of dialyzer is connected with simulation liquid container by the road；It is connected separately with the first adapter and the second adapter on the pipeline that the dialysis fluid chamber entrance and dialysis fluid chamber outlet are connected with dialysis machine, is connected separately with third adapter and the 4th adapter on the pipeline that the blood chamber inlet and the outlet of blood room are connected with simulation liquid container；First adapter, the second adapter, third adapter and the 4th adapter is located in same level, and structure is provided with repacking pipe, and repacking pipe both ends are respectively equipped with the connector with piping connection, and repacking pipe is equipped with pressure sensor.It is accurate to have the advantages that transmembrane pressure measures.
Description
Technical field
The utility model relates to dialyzer device for evaluating performance field, elaborating is that one kind is commented to dialyzer performance
When valence, transmembrane pressure measures accurately dialyzer Performance Appraisal System.
Background technique
It is well known that haemodialysis is the blood drainage by patient's body into dialyzer, pass through the work of disperse and convection current
With extra in vivo moisture and metabolic waste is removed, achieve the purpose that purify blood.It is existing in order to detect the performance of dialyzer
Dialyzer Performance Appraisal System includes dialysis machine, dialyzer and simulation liquid container, the dialysis fluid chamber entrance and dialyzate of dialyzer
Room outlet is connected with dialysis machine respectively, and the blood chamber inlet of dialyzer is connected through pump with simulation liquid container, the blood room outlet of dialyzer
It is connected by the road with simulation liquid container.
It is known that the performance detection of existing detection dialyzer needs to be monitored transmembrane pressure, the calculating of transmembrane pressure
It is related to four pressure values, calculation formula is as follows:
Wherein, TMP=transmembrane pressure；
PBI=dialyzer blood chamber inlet pressure,
PBO=dialyzer blood room outlet pressure,
PDI=dialyzer dialysis fluid chamber inlet pressure,
PDO=dialyzer dialysis fluid chamber outlet pressure；
α=offset.
Existing dialysis machine is equipped with blood room outlet pressure sensor and dialysis fluid chamber pressure sensor, transmembrane pressure calculated
Cheng Zhong, the blood chamber pressure of dialyzer is considered as it is identical as blood room outlet pressure, on dialysis machine is determined by machine built in self testing
Offset α in formula, and then the transmembrane pressure at corresponding moment of dialysing is estimated, cause the error of transmembrane pressure measured value big.And in body
Due to the height change of each connecting line in outer simulation dialysis procedure, to blood room outlet pressure sensor and dialyzate on dialysis machine
The number that chamber pressure force snesor measures is affected, and further increases the measurement error of transmembrane pressure.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides one kind and comments to dialyzer performance
When valence, transmembrane pressure measures accurately dialyzer Performance Appraisal System.
The utility model solves technical solution used by above-mentioned the deficiencies in the prior art:
A kind of dialyzer Performance Appraisal System, including dialysis machine, dialyzer and simulation liquid container, the dialysis fluid chamber of dialyzer
Entrance and dialysis fluid chamber outlet are connected with dialysis machine respectively, and the blood chamber inlet of dialyzer is connected through pump with simulation liquid container, dialyse
The blood room outlet of device is connected with simulation liquid container by the road；It is characterized in that the dialysis fluid chamber entrance and dialysis fluid chamber outlet
The first adapter and the second adapter, the blood chamber inlet and the outlet of blood room are connected separately on the pipeline being connected with dialysis machine
Third adapter and the 4th adapter are connected separately on the pipeline being connected with simulation liquid container；First adapter,
Two adapter, third adapter and the 4th adapter are located in same level, (the first adapter, the second adapter, third
Adapter and the 4th adapter) structure is provided with repacking pipe, and repacking pipe both ends are respectively equipped with the connector with piping connection, reequip
Pipe is equipped with pressure sensor.
Repacking pipe described in the utility model is equipped with the perpendicular connected detection pipe in one end, and pressure sensor is located at
In detection pipe, the other end of detection pipe is sealed.
The utility model is further improved, and first adapter or the second adapter are equipped with external clamping supersonic flow
Meter.When work, flowmeter is connected with controller, can detect the flow of dialyzate access, carries out flow in time by controller
Adjustment.This flow monitoring mode be it is contactless, sensor does not need contact dialyzate, and precision is high.
The utility model is further improved, and the repacking pipe is equipped with the perpendicular connected probe tube in one end, sampling
Sampling lid is threaded on the other end of pipe.Open sampling lid, can be sampled, by measurement sample in toxin concentration into
And calculate the toxin total amount of dialyzer clearance.
Simulation liquid container described in the utility model is heating and stirring device.The heating and stirring device include container,
Heater, temperature sensor and blender；Heater, temperature sensor and blender are placed in container, being used to provide the described property
It can simulated solution needed for evaluation and to control its temperature constant.
The controller carries out the judgement of calculation of pressure and pressure alarm according to the testing result of the pressure monitoring device；
Dialyzate outlet pressure monitoring device is arranged with entrance.
When the utility model is used, the first adapter, the second adapter, third adapter and the 4th adapter can essences
True measures dialyzer dialysis fluid chamber inlet pressure, dialysis fluid chamber outlet pressure, blood chamber inlet pressure and blood room outlet pressure,
According to formula:
Transmembrane pressure can be accurately calculated, and is changed using the first adapter, the second adapter, third adapter and the 4th
Dress device can reequip existing dialyzer Performance Appraisal System, applied widely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the first adapter in the utility model.
Specific embodiment
Dialyzer Performance Appraisal System as shown in Figure 1, including dialysis machine 1, dialyzer 4 and simulation liquid container 8；Described
Simulation liquid container 8 is heating and stirring device, and the heating and stirring device includes container, heater, temperature sensor and blender；
Heater, temperature sensor and blender are placed in container, and simulated solution needed for being used to provide the described performance evaluation simultaneously controls it
Temperature is constant.Dialysis fluid chamber entrance and the dialysis fluid chamber outlet of dialyzer 4 are connected with dialysis machine respectively, the blood chamber inlet of dialyzer
It is connected through pump 7 with simulation liquid container, the blood room outlet of dialyzer is connected with simulation liquid container by the road；The dialysis fluid chamber enters
It is connected separately with the first adapter 2 and the second adapter 3 on the pipeline that mouth and dialysis fluid chamber outlet are connected with dialysis machine, it is described
Third adapter 5 and the 4th adapter 6 are connected separately on the pipeline that blood chamber inlet and the outlet of blood room are connected with simulation liquid container；
From figure 1 it appears that third adapter 5 is located on the pipeline between the blood chamber inlet of dialyzer and pump 7, first repacking
Device, the second adapter, third adapter and the 4th adapter are located in same level, the first adapter, the second adapter,
The structure of three adapter and the 4th adapter is: being equipped with repacking pipe 11, repacking pipe 11 both ends are respectively equipped with to be connect with piping connection
First 9, repacking pipe 11 is equipped with pressure sensor, from figure 2 it can be seen that the repacking pipe is equipped with the perpendicular phase in one end
Detection pipe 13 even, pressure sensor are located in detection pipe 13, the other end sealing of detection pipe 13.
The utility model is further improved, and first adapter or the second adapter are equipped with external clamping supersonic flow
Meter 10.When work, external-clamping type ultrasonic flowmeter 11 is connected with controller, can accurately detect the flow of dialyzate access,
Flow adjustment is carried out in time by controller.This flow monitoring mode be it is contactless, sensor do not need contact dialyzate, essence
Degree is high.It can effectively avoid the error of clearance rate caused by being not allowed as dialysate flow.
The utility model is further improved, and the repacking pipe is equipped with the perpendicular connected probe tube 12 in one end, is taken
Sampling lid is threaded on the other end of sample pipe 12.Open sampling lid, can be sampled, by measurement sample in toxin it is dense
Degree calculate the toxin total amount of dialyzer clearance.
The controller carries out the judgement of calculation of pressure and pressure alarm according to the testing result of the pressure monitoring device；
Dialyzate outlet pressure monitoring device is arranged with entrance.
When the utility model is used, by the first adapter, the second adapter, the pressure of third adapter and the 4th adapter
Force snesor is connected with controller, can accurately measure dialyzer dialysis fluid chamber inlet pressure, dialysis fluid chamber outlet pressure,
Blood chamber inlet pressure and blood room outlet pressure, according to formula:
Transmembrane pressure can be accurately calculated, and is changed using the first adapter, the second adapter, third adapter and the 4th
Dress device can reequip existing dialyzer Performance Appraisal System, applied widely.
Claims (5)
1. a kind of dialyzer Performance Appraisal System, including dialysis machine, dialyzer and simulation liquid container, the dialysis fluid chamber of dialyzer enter
Mouth and dialysis fluid chamber outlet are connected with dialysis machine respectively, and the blood chamber inlet of dialyzer is connected through pump with simulation liquid container, dialyzer
Blood room outlet by the road with simulation liquid container be connected；It is characterized in that the dialysis fluid chamber entrance and dialysis fluid chamber outlet with
Be connected separately with the first adapter and the second adapter on the connected pipeline of dialysis machine, the blood chamber inlet and the outlet of blood room with
Third adapter and the 4th adapter are connected separately on the connected pipeline of simulation liquid container；First adapter, second
Adapter, third adapter and the 4th adapter are located in same level, the first adapter, the second adapter, third repacking
The structure of device and the 4th adapter is provided with repacking pipe, and repacking pipe both ends are respectively equipped with the connector with piping connection, reequip on pipe
Equipped with pressure sensor.
2. dialyzer Performance Appraisal System according to claim 1, it is characterised in that the repacking pipe is equipped with one end
Perpendicular connected detection pipe, pressure sensor are located in detection pipe, the other end sealing of detection pipe.
3. dialyzer Performance Appraisal System according to claim 2, it is characterised in that first adapter or second
Adapter is equipped with external-clamping type ultrasonic flowmeter.
4. dialyzer Performance Appraisal System according to claim 3, it is characterised in that the repacking pipe is equipped with one end
Perpendicular connected probe tube is threaded with sampling lid on the other end of probe tube.
5. dialyzer Performance Appraisal System according to claim 4, it is characterised in that the simulation liquid container is heating
Agitating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824072.1U CN208596045U (en) | 2018-05-30 | 2018-05-30 | A kind of dialyzer Performance Appraisal System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824072.1U CN208596045U (en) | 2018-05-30 | 2018-05-30 | A kind of dialyzer Performance Appraisal System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596045U true CN208596045U (en) | 2019-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820824072.1U Active CN208596045U (en) | 2018-05-30 | 2018-05-30 | A kind of dialyzer Performance Appraisal System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403280A (en) * | 2020-12-03 | 2021-02-26 | 威海威高血液净化制品有限公司 | Full-automatic pressure drop testing arrangement |
-
2018
- 2018-05-30 CN CN201820824072.1U patent/CN208596045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403280A (en) * | 2020-12-03 | 2021-02-26 | 威海威高血液净化制品有限公司 | Full-automatic pressure drop testing arrangement |
| CN112403280B (en) * | 2020-12-03 | 2024-09-17 | 山东威高血液净化制品股份有限公司 | Testing method of full-automatic pressure drop testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.20, Xingshan Road, Weihai Torch hi tech Industrial Development Zone, Weihai City, Shandong Province, 264210 Patentee after: Shandong Weigao blood purification products Co.,Ltd. Address before: No.20, Xingshan Road, torch hi tech Industrial Development Zone, Huancui District, Weihai City, Shandong Province 264200 Patentee before: WEIHAI WEIGAO BLOOD PURIFICATION PRODUCTS Co.,Ltd. |
|
| CP03 | Change of name, title or address |