CN217179700U - Full-automatic blood chamber capacity test device - Google Patents
Full-automatic blood chamber capacity test device Download PDFInfo
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- CN217179700U CN217179700U CN202221115154.1U CN202221115154U CN217179700U CN 217179700 U CN217179700 U CN 217179700U CN 202221115154 U CN202221115154 U CN 202221115154U CN 217179700 U CN217179700 U CN 217179700U
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Abstract
The utility model discloses a full-automatic blood room capacity test device, include: the device comprises a control system, a water supplementing system for supplementing water into the dialyzer, a water draining system for draining all water filled in the dialyzer and a measuring device for measuring the amount of water drained from the dialyzer, wherein the water supplementing system and the water draining system are in signal connection with the control system. The full-automatic blood chamber capacity testing device is low in cost, water can be automatically filled into the dialyzer to be in a bubble-free state through the water filling system, the water filled into the dialyzer by the water filling system can be discharged through the water discharging system, the discharged water amount is measured through the measuring device, the blood chamber capacity of the dialyzer is measured, and the water filling system and the water discharging system are automatically controlled through the control system, so that the testing efficiency is improved; the measuring device can detect the accurate numerical value of the discharged water quantity in the dialyzer, and the measuring precision is improved.
Description
Technical Field
The utility model relates to a blood room capacity test technical field, more specifically say, relate to a full-automatic blood room capacity test device.
Background
The dialyzer is a medical instrument used for the replacement therapy of patients with end-stage renal diseases, and the principle of the dialyzer is to remove toxins and water in the bodies of the patients by means of convection and diffusion by utilizing the characteristics of a semipermeable membrane. Before clinical application, a large number of in vitro performance tests are needed for medical instruments to determine the effectiveness and safety of products, ensure that the products achieve the purpose of treating patients in the clinical use process and ensure the life safety of the patients, so a sound treatment system and an efficient testing device play an important role in performance evaluation of the products. At present, most of performance tests of products rely on that devices built in a laboratory are tested manually, the test period is long, the stability of test results is poor, repeated confirmation is required, the interference of manual test results is eliminated, and the accuracy of the test results is ensured. Thus, a lot of time, labor and reagents are required, and the period of product development and the cost of testing are increased.
In summary, how to solve the problems of long cycle, low precision of test results and high test cost of the performance of the test products is a problem to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a test cerini dialyser cerini blood room volume efficiency is high, the high and less full-automatic blood room volume testing arrangement of cost of test precision.
In order to achieve the above object, the present invention provides the following technical solutions:
a fully automated blood chamber volume testing device, comprising: the device comprises a control system, a water replenishing system for replenishing water into a dialyzer, a water draining system for draining all water filled in the dialyzer and a measuring device for measuring the amount of water drained from the dialyzer, wherein the water replenishing system and the water draining system are in signal connection with the control system.
Preferably, the water replenishing system comprises a water replenishing device, a flow control device, a first three-way valve, a first circulating pipe, a second circulating pipe, a bubble detection device, a second three-way valve, a first waste liquid pipe, a second waste liquid pipe and a switch valve, wherein the water replenishing device is connected with the first three-way valve, the first three-way valve is connected with the lower port of the dialyzer through the first circulating pipe, and the flow control device is arranged on the water replenishing device;
the second circulating pipe is respectively connected with the upper port of the dialyzer and the second three-way valve, the second three-way valve is connected with the first waste liquid pipe, the bubble detection device is arranged on the second circulating pipe, and the second waste liquid pipe is connected with the upper side port of the dialyzer;
the drainage system comprises an air inlet device, the first circulating pipe, the second circulating pipe, a drainage pipe, the first three-way valve and the second three-way valve, the air inlet device is connected with the second three-way valve, and the drainage pipe is connected with the first three-way valve.
Preferably, the waste liquid collecting device is used for collecting waste liquid discharged from the first waste water pipe and the second waste water pipe.
Preferably, the switching valve is a solenoid valve.
Preferably, the measuring device comprises an electronic balance and a collection container, the collection container being disposed on the electronic balance.
The full-automatic blood chamber capacity testing device is low in cost, water can be automatically filled into the dialyzer to be in a bubble-free state through the water filling system, the water filled into the dialyzer by the water filling system can be discharged through the water discharging system, the discharged water amount is measured through the measuring device, the blood chamber capacity of the dialyzer is measured, and the water filling system and the water discharging system are automatically controlled through the control system, so that the testing efficiency is improved; the measuring device can detect the accurate numerical value of the discharged water quantity in the dialyzer, and the measuring precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of the full-automatic blood chamber volume testing device provided by the present invention.
In fig. 1:
1-air inlet device, 2-second three-way valve, 3-bubble detection device, 4-second circulation pipe, 5-first waste liquid pipe, 6-switch valve, 7-second waste liquid pipe, 8-waste liquid collection device, 9-dialyzer, 10-first circulation pipe, 11-first three-way valve, 12-drain pipe, 13-collection container, 14-electronic balance, 15-liquid inlet pipe, and 16-flow control device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a full-automatic blood room capacity test device of test cerini dialyser cerini blood room capacitanc efficiency height, high and the lower with lower costs of measuring accuracy.
Referring to fig. 1, a fully automatic blood chamber volume testing device includes: the device comprises a control system, a water replenishing system for replenishing water into the dialyzer 9, a water draining system for draining all water filled in the dialyzer 9 and a measuring device for measuring the amount of water drained from the dialyzer 9, wherein the water replenishing system and the water draining system are in signal connection with the control system.
It should be noted that the measuring device may be connected to or disconnected from the control system, and when the measuring device is connected to the control system, the measuring device may feed back the measurement result to the control system, and the control system feeds back a value to the operator, and when the measuring device is disconnected from the control system, the operator may directly read out the value of the measuring device.
The full-automatic blood chamber capacity testing device is low in cost, water can be automatically filled into the dialyzer 9 through the water filling system to reach a bubble-free state in the dialyzer 9, the water filled into the dialyzer 9 by the water filling system can be discharged through the water discharging system, the discharged water amount is measured through the measuring device, so that the blood chamber capacity of the dialyzer 9 is measured, and the water filling system and the water discharging system are automatically controlled through the control system, so that the testing efficiency is improved; the measuring device can detect the accurate numerical value of the discharged water quantity in the dialyzer 9, and the measuring precision is improved.
In addition to the above embodiment, as a further preferable mode, the water replenishing system includes a water replenishing device, a flow rate control device 16, a first three-way valve 11, a first circulation pipe 10, a second circulation pipe 4, a bubble detection device 3, a second three-way valve 2, a first waste liquid pipe 5, a second waste liquid pipe 7, and a switch valve 6, the water replenishing device is connected to the first three-way valve 11, the first three-way valve 11 is connected to the lower port of the dialyzer 9 through the first circulation pipe 10, and the flow rate control device 16 is provided in the water replenishing device;
the second circulating pipe 4 is respectively connected with the upper port of the dialyzer 9 and the second three-way valve 2, the second three-way valve 2 is connected with the first waste liquid pipe 5, the bubble detection device 3 is arranged on the second circulating pipe 4, and the second waste liquid pipe 7 is connected with the upper side port of the dialyzer 9;
the drainage system comprises an air inlet device 1, a first circulating pipe 10, a second circulating pipe 4, a drain pipe 12, a first three-way valve 11 and a second three-way valve 2, wherein the air inlet device 1 is connected with the second three-way valve 2, and the drain pipe 12 is connected with the first three-way valve 11.
The water replenishing device replenishes purified water or other purified water into the dialyzer 9 through the liquid inlet pipe 15, the flow control device 16 can control the flow of the water replenishing device to the dialyzer 9, three ports of the first three-way valve 11 are respectively connected with the water replenishing device, the first circulating pipe 10 and a pipeline of a drainage system, and three ports of the second three-way valve 2 are respectively connected with the second circulating pipe 4, the first waste liquid pipe 5 and the air inlet device 1 of the drainage system.
When water is replenished, the water replenishing device is opened, the first three-way valve 11 is adjusted to enable the first circulating pipe 10 to be communicated with the water replenishing device, the drain pipe 12 is not communicated with the first circulating pipe 10, the second three-way valve 2 is adjusted to enable the second circulating pipe 4 to be communicated with the first waste liquid pipe 5, the air inlet device 1 is not communicated with the second circulating pipe 4, the switch valve 6 is opened to enable the second waste liquid pipe 7 to be communicated with the upper side port of the dialyzer 9, the water replenishing device replenishes water into the lower port of the dialyzer 9, air in the dialyzer 9 is discharged along the upper port and the upper side port of the dialyzer 9 until the bubble detection device 3 detects that the second circulating pipe 4 is not discharged by bubbles, the first three-way valve 11, the second three-way valve 2 and the switch valve 6 are closed, after the pressure maintaining is carried out for 3 minutes to confirm that no liquid leakage exists, the first three-way valve 11 is adjusted to enable the first circulating pipe 10 to be communicated with the drain pipe 12, and the water replenishing device is not communicated with the first circulating pipe 10, and adjusting the second three-way valve 2 to enable the second circulating pipe 4 to be communicated with the air inlet device 1, enabling the first waste liquid pipe 5 not to be communicated with the second circulating pipe 4, inputting air into the dialyzer 9 by the air inlet device 1, discharging water in the dialyzer 9 to the measuring device along the water discharge pipe 12 until the numerical value of the measuring device is not changed any more, and reading.
In order to collect the waste liquid, it is further preferable that a waste liquid collecting device 8 for collecting the waste liquid discharged from the first waste water pipe and the second waste water pipe is further included on the basis of the above embodiment, so as to facilitate the centralized treatment of the waste liquid.
In addition to the above embodiments, it is further preferable that the on-off valve 6 is a solenoid valve. The solenoid valve is connected with control system, through control system control action, and reaction rate is fast, and the leakproofness is strong after closing, avoids the weeping.
On the basis of the above embodiment, as a further preferred, the measuring device includes an electronic balance 14 and a collection container 13, the collection container 13 is disposed on the electronic balance 14, the electronic balance 14 needs to be reset to zero before measurement, the weighing result of the electronic balance 14 is accurate, the error is small, and the measurement accuracy of the blood chamber capacity of the dialyzer 9 is improved.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a full-automatic blood room capacity test device has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.
Claims (5)
1. A full-automatic blood chamber volume test device, characterized by, includes: the device comprises a control system, a water replenishing system for replenishing water into a dialyzer (9), a water draining system for draining all water filled in the dialyzer (9), and a measuring device for measuring the amount of water drained in the dialyzer (9), wherein the water replenishing system and the water draining system are in signal connection with the control system.
2. The fully automatic blood chamber volume test device according to claim 1, wherein the water replenishing system comprises a water replenishing device, a flow control device (16), a first three-way valve (11), a first circulation pipe (10), a second circulation pipe (4), a bubble detection device (3), a second three-way valve (2), a first waste liquid pipe (5), a second waste liquid pipe (7) and a switch valve (6), the water replenishing device is connected with the first three-way valve (11), the first three-way valve (11) is connected with the lower port of the dialyzer (9) through the first circulation pipe (10), and the flow control device (16) is arranged on the water replenishing device;
the second circulating pipe (4) is respectively connected with the upper opening of a dialyzer (9) and the second three-way valve (2), the second three-way valve (2) is connected with the first waste liquid pipe (5), the bubble detection device (3) is arranged on the second circulating pipe (4), and the second waste liquid pipe (7) is connected with the upper side opening of the dialyzer (9);
the drainage system comprises an air inlet device (1), the first circulation pipe (10), the second circulation pipe (4), a drainage pipe, the first three-way valve (11) and the second three-way valve (2), wherein the air inlet device (1) is connected with the second three-way valve (2), and the drainage pipe is connected with the first three-way valve (11).
3. A fully automatic blood chamber volume testing device according to claim 2, further comprising a waste liquid collecting device (8) for collecting waste liquid discharged from the first and second waste water tubes.
4. The fully automatic blood chamber volume test device according to claim 2, wherein the on-off valve (6) is a solenoid valve.
5. The fully automated blood cell volume testing device according to any one of claims 1 to 4, wherein the measuring device comprises an electronic balance (14) and a collection container (13), the collection container (13) being arranged on the electronic balance (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221115154.1U CN217179700U (en) | 2022-05-10 | 2022-05-10 | Full-automatic blood chamber capacity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221115154.1U CN217179700U (en) | 2022-05-10 | 2022-05-10 | Full-automatic blood chamber capacity test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217179700U true CN217179700U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221115154.1U Active CN217179700U (en) | 2022-05-10 | 2022-05-10 | Full-automatic blood chamber capacity test device |
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| Country | Link |
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| CN (1) | CN217179700U (en) |
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2022
- 2022-05-10 CN CN202221115154.1U patent/CN217179700U/en active Active
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