CN218726866U - Electrolyte ion testing module in biochemical analyzer - Google Patents
Electrolyte ion testing module in biochemical analyzer Download PDFInfo
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- CN218726866U CN218726866U CN202222602331.5U CN202222602331U CN218726866U CN 218726866 U CN218726866 U CN 218726866U CN 202222602331 U CN202222602331 U CN 202222602331U CN 218726866 U CN218726866 U CN 218726866U
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Abstract
The utility model discloses an electrolyte ion test module among biochemical analyzer. The utility model discloses technical scheme's electrolyte ion test module comprises electrode module and base, is provided with the test electrode array in electrode module, includes at least one test electrode in this test electrode array, from this, can change simultaneously a plurality of test electrodes, for the operator provides great facility, numerous and diverse nature when having alleviateed multiple electrode exchange reduces the wasting of resources. And the electrolyte ion testing module replaces an electrolyte ion testing module on the existing biochemical analyzer, and an electronic loop, various reagents and the like of the original biochemical analyzer can be continuously utilized, so that seamless replacement of the electrolyte ion testing module is realized, and the practicability of the electrolyte ion testing module is improved.
Description
Technical Field
The utility model relates to a biochemical test field, in particular to electrolyte ion test module in biochemical analysis appearance.
Background
In biochemical analyzers for clinical laboratories, tests for electrolyte ion parameters of samples are typically performed by an ISE (electrolyte) measurement unit using a module with ISE (electrolyte). Such as AU480 of Olympus, BS-800 of Merrill, siemens ADVIA1200, etc.
Due to the difference of the testing principle, the electrolyte analysis module on the biochemical analyzer is relatively independent from the analysis system of other biochemical routine projects, and the electrodes used in the test are required to be managed separately. For this reason, the use conditions of the various electrodes, including the performance change of each electrode, the replacement cycle, and the like, are separately grasped, thereby causing great inconvenience to the operator.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an electrolyte ion test module among biochemical analysis appearance.
In order to achieve the above object, the present invention provides an electrolyte ion testing module in biochemical analyzer, including:
the electrode module comprises a first substrate, a containing groove is arranged in the first substrate, a test electrode array for electrolyte ion test is arranged in the containing groove, and the test electrode array comprises at least one test electrode; and
the base, install the PCB base plate on the base, be provided with at least a set of signal conduction subassembly on the PCB base plate, signal conduction subassembly one end with the test electrode contact, the other end and the biochemical analysis appearance in of signal conduction subassembly electronic circuit are connected.
The test electrode comprises a silver nail and an electrode film layer arranged at the upper end of the silver nail, and the upper end of the silver nail penetrates through the corresponding through hole and extends into the accommodating groove.
The signal conduction assembly comprises a contact pin and a probe which are connected through a lead, the probe is connected with an electronic circuit in a biochemical analysis instrument, and the contact pin is in contact with the silver nail.
The electrode module further comprises a second substrate, and the first substrate and the second substrate are mounted;
one end of the first groove, which is far away from the containing groove, forms a flow path inlet which is communicated with a sample inflow port in the biochemical analyzer, one end of the second groove, which is far away from the containing groove, forms a flow path outlet which is communicated with a waste liquid outlet in the biochemical analyzer;
the electrode module further comprises a soft film, and the soft film is located between the first substrate and the second substrate.
Optionally, a holding tank is further disposed in the first substrate, the holding tank and one end, close to the waste liquid outlet, of the holding tank are communicated in an intersection manner, the other end of the holding tank is communicated with the reference liquid inlet in the biochemical analyzer, a reference electrode is disposed in the holding tank, and the reference electrode is connected with an electronic circuit in the biochemical analyzer.
Optionally, the accommodating groove is parallel to the accommodating groove.
Optionally, a temperature sensor is arranged in the accommodating groove.
Optionally, the test electrode array comprises at least one of a potassium ion electrode, a sodium ion electrode, a chloride ion electrode.
The utility model discloses technical scheme electrolyte ion test module comprises electrode module and base, is provided with the test electrode array in electrode module, includes at least one test electrode in this test electrode array, from this, can change simultaneously a plurality of test electrodes, for the operator provides great facility, numerous and diverse nature when having alleviateed multiple electrode exchange reduces the wasting of resources. And the test electrode array comprises a plurality of test electrodes, the test electrodes are connected with the signal conduction assembly on the base, the signal conduction assembly is connected with the electronic circuit in the biochemical analyzer, and then electrode signals generated by the test electrodes can be transmitted to the electronic circuit, so that sample detection is realized, and the practicability of the electrolyte ion test module 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 needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an electrolyte ion testing module in a biochemical analyzer according to the present invention;
fig. 2 is a schematic structural diagram of an electrode module according to an embodiment of the electrolyte ion testing module of the biochemical analyzer of the present invention;
fig. 3 is a schematic structural diagram of an electrode module according to an embodiment of the electrolyte ion testing module of the biochemical analyzer of the present invention;
FIG. 4 is a schematic structural diagram of an electrode module in a second embodiment of an electrolyte ion testing module of the biochemical analyzer according to the present invention;
fig. 5 is a schematic structural diagram of an electrode module in a third embodiment of an electrolyte ion testing module in a biochemical analyzer according to the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
11 | |
| 12 | Containing groove | 13 | |
| 100 | |
20 | |
| 21 | |
22 | |
| 121 | |
122 | |
| 221 | |
222 | |
| 14 | The |
15 | |
| 16 | |
141 | |
| 151 | |
17 | |
| 30 | Accommodating |
31 | |
| 40 | |
23 | Screw fixing port |
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection or signal connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an electrolyte ion test module among biochemical analyzer. Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an embodiment of an electrolyte ion testing module in a biochemical analyzer according to the present invention; FIG. 2 is a schematic structural diagram of an electrode module in an embodiment of an electrolyte ion testing module of the biochemical analyzer of the present invention; FIG. 3 is a schematic structural diagram of an electrode module in an embodiment of an electrolyte ion testing module of the biochemical analyzer of the present invention; FIG. 4 is a schematic structural diagram of an electrode module in a second embodiment of an electrolyte ion testing module of the biochemical analyzer according to the present invention; fig. 5 is a schematic structural diagram of an electrode module in a third embodiment of an electrolyte ion testing module in a biochemical analyzer according to the present invention.
In the embodiment of the present invention, as shown in fig. 1 to 5:
the utility model provides a pair of electrolyte ion test module among biochemical analyzer, include:
the electrode module 10, the electrode module 10 includes a first substrate 11, a containing groove 12 is provided in the first substrate 11, the containing groove 12 is provided with a test electrode array 13 for electrolyte ion testing, and the test electrode array 13 includes at least one test electrode 100; and
the testing device comprises a base 20, wherein a PCB (printed circuit board) substrate 21 is installed on the base 20, at least one group of signal conduction assemblies 22 are arranged on the PCB substrate 21, one end of each signal conduction assembly 22 is in contact with a testing electrode, the other end of each signal conduction assembly 22 is connected with an electronic circuit in a biochemical analyzer, and then electrode signals generated by the testing electrodes 100 are transmitted to the electronic circuit through the PCB substrate 21 so as to realize sample detection.
In this embodiment, the number of the test electrodes 100 is the same as the number of the signal conducting assemblies 22, and the number of the test electrodes 100 may be one or multiple, and is set according to actual requirements, and is not specifically limited herein.
As an example, the test electrode 100 may be a potassium ion electrode, a sodium ion electrode, a chloride ion electrode, or the like.
In this embodiment, the position of the PCB substrate on the base 20 is located below or at a corresponding lateral position of the test electrode array 13, and is set according to actual processing or installation requirements, which is not specifically limited herein.
The utility model discloses an electrolyte ion test module comprises electrode module 10 and base 20, is provided with test electrode array 13 in electrode module 10, includes at least one test electrode in this test electrode array 13, from this, can change simultaneously a plurality of test electrodes, for the operator provides great facility, numerous and diverse nature when having alleviateed multiple electrode exchange reduces the wasting of resources. And the test electrode array 13 comprises a plurality of test electrodes 100, the test electrodes are connected with the signal transmission component 22 on the base 20, the signal transmission component 22 is connected with an electronic circuit in the biochemical analyzer, and further electrode signals generated by the test electrodes 100 can be transmitted to the electronic circuit, so that sample detection is realized, and the practicability of the electrolyte ion test module is improved.
In an embodiment, the accommodating cavity 12 has at least one through hole 121 penetrating therethrough from top to bottom, the test electrode 100 includes a silver nail 122 and an electrode film layer disposed on an upper end of the silver nail 122, and an upper end of the silver nail 122 passes through the corresponding through hole 121 and extends into the accommodating cavity 12.
Specifically, the accommodating groove 12 has a through hole 121 extending vertically therethrough. The electrode module 10 further includes a silver nail 122, the silver nail 122 is mounted together with the first substrate 11 through the through hole 121, the upper end of the silver nail 122 is located in the accommodating groove 12 and is coated with different ion-selective electrode films corresponding to electrode tests, and the test electrode 100 is formed by the silver nail 122 and the electrode film layer arranged at the upper end of the silver nail 122.
It can be understood that if a potassium ion test electrode is to be formed, an electrode membrane solution containing a potassium ion carrier is applied to one end of the silver nail 122 located in the accommodating groove 12 and dried to form a potassium electrode membrane layer, thereby forming the potassium ion test electrode. The other testing electrodes (such as sodium ion electrode, chloride ion electrode, etc.) have the same composition principle, and are not described herein again.
In this embodiment, the number of the through holes 121 may be one or more, the number of the silver nails 122 may be one or more, and the silver nails 122 are correspondingly matched with the through holes 121 to form at least one test electrode 100. Therefore, various testing electrodes are integrated on one electrolyte ion testing module, the purpose of replacing the testing electrodes can be achieved through one-time replacement, and great convenience is provided for operators.
In one embodiment, the signal conducting assembly 22 includes a pin 221 and a probe 222 connected by a wire, the probe 222 is connected to an electronic circuit in a biochemical analyzer, the pin 221 contacts the silver nail 122, and transmits an electrode signal generated by the test electrode 100 to the electronic circuit to realize sample detection.
In detail, the signal conducting assembly 22 includes a pin 221 and a probe 222, the pin 221 and the probe 222 are connected through a wire in the PCB substrate, the position of the pin 221 corresponds to the mounting position of the silver nail 122 on the electrode module 10, and when the electrode module 10 is combined with the base 20, the pin 221 contacts the silver nail 122, and transmits an electrode signal generated by the test electrode 100 during a sample test to the pin 221. The base 20 is provided with a screw fixing port 23 connected with the biochemical analyzer, the base 20 is assembled with the biochemical analyzer by the screw fixing port 23 and screw matching, wherein the probe 222 is connected with an electronic circuit in the biochemical analyzer, therefore, the electrode signal is transmitted to the electronic circuit of the biochemical analyzer through the contact pin 221, the conducting wire and the probe 222 to complete the sample detection.
In this embodiment, the number of the pins 221 and the probes 222 may be one or multiple, and the number of the pins 221, the probes 222 and the test electrodes 100 is the same, so as to realize sample detection of multiple test electrodes.
In an embodiment, the accommodating groove 12 extends towards two sides to form a first groove 14 and a second groove 15, the electrode module 10 further includes a second substrate 16, and the first substrate 11 and the second substrate 16 are installed in a mutually engaged manner; the end of the first groove 14 far away from the containing groove 12 forms a flow path inlet 141, the flow path inlet 141 is communicated with a sample inflow port in the biochemical analyzer, the end of the second groove 15 far away from the containing groove 12 forms a flow path outlet 151, and the flow path outlet 151 is communicated with a waste liquid outlet in the biochemical analyzer.
In detail, the receiving groove 12 extends to two sides to form a first groove 14 and a second groove 15 for the sample to flow. The electrode module 10 further includes a second substrate 16, when the second substrate 16 is assembled with the first substrate 11, a flow path inlet 141 is formed at an end of the first groove 14 away from the receiving groove 12, a flow path outlet 151 is formed at an end of the second groove 15 away from the receiving groove 12, and the flow path inlet 141, the first groove 14, the second groove 15, and the flow path outlet 151 form a micro flow path for a sample to flow in the micro flow path, thereby implementing inflow, detection, and discharge of the sample.
In this embodiment, when the electrode module 10, the base 20 and the original biochemical analyzer are installed, the electrode module 10 is disposed on the upper side of the base 20, the locking wrench on the biochemical analyzer is rotated to fix the electrode module 10, and the locking wrench is engaged with the original flow path in the biochemical analyzer, so as to complete the replacement of the electrolyte ion testing module. Specifically, the flow path inlet 141 of the electrode module 10 is connected to a sample flow inlet of the biochemical analyzer for sample inflow, and the flow path outlet 151 of the electrode module 10 is connected to a waste liquid outlet of the biochemical analyzer for discharge of sample waste liquid after the test.
In this embodiment, the electrode module 10 further includes a flexible film 17, and the flexible film 17 is located between the first substrate 11 and the second substrate 16.
In detail, the electrode module 10 further includes a flexible film 17, the flexible film 17 is located between the first substrate 11 and the second substrate 16, when the surface of the first substrate 11 having the receiving slot 12 is matched with the second substrate 16, and the flexible film 17 is clamped therein, the flexible film 17 is tightly connected with the receiving slot 12, the first recess 14 and the second recess 15, so as to form a micro flow path. The flexible film 17 improves the sealing performance of the micro flow path, so that a sample can flow in the liquid flow path, and the sample detection is realized.
In this embodiment, the flexible film 17 may be silicon, rubber, plastic, etc., and functions to cooperate with the accommodating groove 12, the first groove 14 and the second groove 15 to form a micro flow path and seal the micro flow path.
Further, based on the above first embodiment, a second embodiment of the electrolyte ion testing module in the biochemical analyzer of the present invention is provided.
In the second embodiment, a holding groove 30 is further disposed in the first substrate 11, the holding groove 30 is disposed in parallel with the holding groove 12, one end of the holding groove 30, which is close to a waste liquid outlet in the biochemical analyzer, of the holding groove 12 is communicated in a crossing manner, the other end of the holding groove 30 is communicated with a reference liquid inlet in the biochemical analyzer, a reference electrode 31 is disposed in the holding groove 30, and the reference electrode 31 is connected to an electronic circuit in the biochemical analyzer.
In detail, the first substrate 11 is further provided with a holding groove 30, the holding groove 30 is parallel to the holding groove 12, a reference electrode 31 is provided in the holding groove 30, the reference electrode 31 is connected with an electronic circuit in the biochemical analyzer, and a stable potential is provided for the sample detection process through the reference electrode. Holding tank 30, holding tank 12 are close to the one end intersection of waste liquid outlet among the biochemical analyzer and are communicated, the other end of holding tank 30 is with the reference liquid stream entry intercommunication among the biochemical analyzer, consequently, the sample flows in through the sample inflow entry among the biochemical analyzer, flow through holding tank 12, detect the test electrode among the test electrode array 13 in it, the sample waste liquid after the test is discharged through the waste liquid outlet, reference liquid flows in through the reference liquid stream entry, flow through reference electrode 31 in holding tank 30, reference liquid waste liquid passes through the waste liquid outlet and discharges thereafter.
In this embodiment, the shape of the holding groove 30 is the same as the shape of the holding groove 12, the holding groove 30 is parallel to the holding groove 12, one end of the holding groove 30 close to the waste liquid outlet of the biochemical analyzer is communicated with the second groove 15, and the sample waste liquid and the reference liquid waste liquid for testing flow through the second groove 15 and are discharged through the waste liquid outlet of the biochemical analyzer.
Therefore, the electrolyte ion test module comprises the reference electrode, when a sample is tested, the reference electrode in the replaceable electrolyte ion test module provides a stable potential, the reference electrode in the original biochemical analyzer is not needed, the replacement of the test electrode and the reference electrode can be realized, the convenience of operation is improved, and the practicability of the electrolyte ion test module is improved.
Further, based on the first and second embodiments, a third embodiment of the electrolyte ion testing module in the biochemical analyzer of the present invention is provided.
In an embodiment, a temperature sensor 40 is disposed in the accommodating groove 12.
In detail, be provided with temperature sensor 40 in the storage tank 12, just can realize the temperature control to the sample test process through temperature sensor 40 among the electrolyte ion test module, need not to use the temperature sensor among the original biochemical analyzer, can realize the replacement including test electrode, reference electrode and temperature sensor, improved the convenience of operation to and the practicality of electrolyte test electrode module.
In the embodiment, the electrolyte ion test module comprises the test electrode array 13 with various test electrodes, so that the various test electrodes can be replaced at one time. And the electrolyte ion testing module is also provided with a reference electrode and a temperature sensor, so that the biochemical analyzer can be managed conveniently, the management and operation are simple, the complexity in exchanging various electrodes is reduced, and the resource waste is reduced.
In the above embodiment, the test electrode array 13 includes at least one of a potassium ion electrode, a sodium ion electrode, and a chloride ion electrode. And selecting the corresponding test electrode according to the test item. That is, if the potassium ion test electrode is to be formed, an electrode film solution containing potassium ion carriers is applied to one end of the silver nail 122 located in the accommodation groove 12, thereby forming the potassium ion test electrode. The embodiment of the test electrode for forming other ions is substantially the same, and is not particularly limited herein.
In an embodiment, the biochemical analyzer corresponding to the electrolyte ion testing module of the present invention includes an electronic circuit, a testing flow path, and various testing reagents in a main body of the biochemical analyzer. Wherein the test flow path comprises a sample inlet and a waste outlet. The base 20 in the electrolyte ion test module is provided with a screw fixing port 23, the base 20 is assembled with the analyzer body by matching the screw fixing port 12 with a screw, the lock catch wrench on the analyzer body of the biochemical analyzer is rotated to fix the electrode module 10, and the lock catch wrench is connected with the original flow path in the biochemical analyzer to complete the replacement of the electrolyte ion test module. That is, the electric signal lines of the parameters in the electrolyte ion test module are connected to a main board (electronic circuit) of the analyzer body, and the various reagents are flowed into and discharged from the sample inlet and the waste liquid outlet of the electrolyte ion test module through the pipelines of the analyzer body.
In this embodiment, constitute by electrode module and base through replaceable electrolyte ion test module, be provided with the test electrode array in electrode module, this test electrode array includes at least one test electrode, and from this, when managing test electrode, accessible replacement test electrode array alright change a plurality of test electrodes, provide great facility for the operator, the complexity when having alleviateed the exchange of multiple electrode reduces the wasting of resources.
In this embodiment, the electrolyte ion testing module is detachably mounted on the analyzer body, and the signal conducting assembly in the electrolyte ion testing module is connected to the electronic circuit in the biochemical analyzer, so that the electrode signals generated by the plurality of testing electrodes in the electrolyte ion testing module are transmitted to the electronic circuit in the analyzer body, thereby realizing complete sample detection. Therefore, the utility model provides a replaceable electrolyte ion test module replaces the electrolyte ion test module on the current biochemical analyzer, and the seamless replacement of replaceable electrolyte ion test module is realized to the usable original biochemical analyzer's of electrolyte ion test module electron return circuit, various reagents etc. has improved electrolyte ion test module's practicality.
It should be noted that, the specific structure of the electrolyte ion testing module refers to the above embodiments, and since the biochemical analyzer adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. An electrolyte ion test module in a biochemical analyzer, comprising:
the electrode module comprises a first substrate, a containing groove is arranged in the first substrate, a test electrode array for electrolyte ion test is arranged in the containing groove, and the test electrode array comprises at least one test electrode; and
the base, install the PCB base plate on the base, be provided with at least a set of signal conduction subassembly on the PCB base plate, signal conduction subassembly one end with the test electrode contact, the other end and the biochemical analysis appearance in of signal conduction subassembly electronic circuit are connected.
2. The electrolyte ion testing module of biochemical analyzer according to claim 1, wherein the containing slot has at least one through hole extending vertically therethrough, the testing electrode comprises a silver nail and an electrode film layer disposed on the upper end of the silver nail, and the upper end of the silver nail passes through the corresponding through hole and extends into the containing slot.
3. The module for testing electrolyte ions in biochemical analyzer according to claim 2, wherein the signal conducting member comprises a pin and a probe connected by a wire, the probe is connected to an electronic circuit in biochemical analyzer, and the pin is in contact with the silver nail.
4. The module for testing electrolyte ions in a biochemical analyzer according to claim 1, wherein the receiving groove extends to both sides to form a first groove and a second groove, the electrode module further comprising a second substrate, the first substrate and the second substrate being mounted in engagement with each other;
one end of the first groove, which is far away from the containing groove, forms a flow path inlet which is communicated with a sample inflow port in the biochemical analyzer, one end of the second groove, which is far away from the containing groove, forms a flow path outlet which is communicated with a waste liquid outlet in the biochemical analyzer;
the electrode module further comprises a soft film, and the soft film is located between the first substrate and the second substrate.
5. The module for testing electrolyte ions in a biochemical analyzer according to claim 1, wherein the first substrate further comprises a receiving chamber, the receiving chamber is in communication with one end of the receiving chamber near the waste liquid outlet of the biochemical analyzer, the other end of the receiving chamber is in communication with the reference liquid inlet of the biochemical analyzer, and a reference electrode is disposed in the receiving chamber and connected to the electronic circuit of the biochemical analyzer.
6. The module for testing electrolyte ions in a biochemical analyzer according to claim 5, wherein the accommodating groove is provided in parallel with the accommodating groove.
7. The module for testing electrolyte ions in a biochemical analyzer according to claim 6, wherein a temperature sensor is provided in the container.
8. The electrolyte ion test module of any one of claims 1 to 7, wherein the test electrode array comprises at least one of a potassium ion electrode, a sodium ion electrode, and a chloride ion electrode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222602331.5U CN218726866U (en) | 2022-09-29 | 2022-09-29 | Electrolyte ion testing module in biochemical analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222602331.5U CN218726866U (en) | 2022-09-29 | 2022-09-29 | Electrolyte ion testing module in biochemical analyzer |
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| Publication Number | Publication Date |
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| CN218726866U true CN218726866U (en) | 2023-03-24 |
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| CN202222602331.5U Active CN218726866U (en) | 2022-09-29 | 2022-09-29 | Electrolyte ion testing module in biochemical analyzer |
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