CN219798617U - Special ventilation and water-supply inspection device for reagent needle - Google Patents
Special ventilation and water-supply inspection device for reagent needle Download PDFInfo
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- CN219798617U CN219798617U CN202320845345.1U CN202320845345U CN219798617U CN 219798617 U CN219798617 U CN 219798617U CN 202320845345 U CN202320845345 U CN 202320845345U CN 219798617 U CN219798617 U CN 219798617U
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- valve
- ventilation unit
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- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 102
- 238000009423 ventilation Methods 0.000 title claims abstract description 89
- 238000007689 inspection Methods 0.000 title abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 10
- 239000008213 purified water Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000000861 blow drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003018 immunoassay Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000011041 water permeability test Methods 0.000 description 1
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Abstract
The utility model discloses a ventilation and water-communication inspection device special for a reagent needle, which is characterized in that: comprises a ventilation unit, a water ventilation unit and a connection unit; the ventilation unit comprises a first injection piece, the first injection piece is connected with an air inlet pipe and an air outlet pipe, and a first valve for preventing the air from flowing backwards is arranged on the air outlet pipe; the water passing unit comprises a second injection piece, a water inlet pipe and a water outlet pipe, and a second valve for preventing water from flowing back is arranged on the water outlet pipe. The ventilation unit and the water ventilation unit are respectively connected with the connection unit, so that the connection between the reagent needle and the ventilation unit and the connection between the reagent needle and the ventilation unit are realized, and repeated plugging and unplugging are not needed; in addition, the ventilation unit and the water ventilation unit are respectively connected with the reagent needle, so that ventilation and water ventilation inspection can be realized, residual water in the reagent needle can be blown away by the ventilation unit, and the storage waiting time of the reagent needle is shortened. The utility model has convenient ventilation and water-filling operation, can realize the rapid inspection and the rapid warehouse entry of the reagent needle, and improves the working efficiency.
Description
Technical Field
The utility model relates to the field of examination of reagent needles in medical equipment, in particular to a ventilation and water-communication examination device special for a reagent needle.
Background
Reagent needles are one of the most important parts in medical devices (e.g., chemiluminescent immunoassay devices, nucleic acid meters, etc.), and the air tightness and water jet of the reagent needles are critical indicators for determining whether the reagent needles are usable. Thus, it is often necessary to perform an air tightness test and a water permeability test on the reagent needle. The most commonly used test method in the existing workshops is to ventilate and pass water to the reagent needle by means of a syringe and a hose, and because more purified water usually remains in the hose after the water pass test, the two syringes are usually required to be operated separately during the actual test, and most of the test methods are to firstly utilize the syringe to carry out the ventilation test and then utilize the other syringe and the hose to carry out the water pass test, so that the plugging is troublesome. In addition, after the water-through test, more water is often remained in the reagent needle, so that the water is difficult to be thrown off manually, the reagent needle needs to be kept still for at least 12 hours, the standing time of the reagent needle is long, and the waiting time of warehouse entry is long.
Disclosure of Invention
In view of the above, the present utility model aims to provide a ventilation and water-supply inspection device for a reagent needle, which can not only realize ventilation and water-supply test of the reagent needle, but also blow off water in a pipeline and the reagent needle, store the reagent needle without long-time standing, and shorten the storage waiting time of the reagent needle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the special ventilation and water-communication inspection device for the reagent needle comprises a ventilation unit for detecting ventilation of the reagent needle, a water-communication unit for detecting water-communication performance of the reagent needle and a connecting unit for connecting the ventilation unit and the water-communication unit together; the ventilation unit comprises a first injection piece, the first injection piece is connected with an air inlet pipe and an air outlet pipe, and a first valve for preventing the gas from flowing backwards is arranged on the air outlet pipe; the water passing unit comprises a second injection piece, the second injection piece is connected with a water inlet pipe and a water outlet pipe, and a second valve for preventing water from flowing back is arranged on the water outlet pipe; the connecting unit comprises a tee joint and a connecting pipe for connecting the reagent needle, the connecting pipe is connected with a first interface of the tee joint, the drain pipe is connected with a second interface of the tee joint, and the exhaust pipe is connected with a third interface of the tee joint.
In the scheme, the ventilation unit and the water ventilation unit are respectively connected with the connection unit, so that the connection between the reagent needle and the ventilation unit and the connection between the reagent needle and the ventilation unit are realized, and repeated plugging and unplugging are not needed; in addition, the ventilation unit and the water ventilation unit are respectively connected with the reagent needle, so that ventilation and water ventilation inspection can be realized, residual water in the reagent needle can be blown away by the ventilation unit, and the storage waiting time of the reagent needle is shortened. The utility model has convenient ventilation and water-filling operation, can realize the rapid inspection and the rapid warehouse entry of the reagent needle, and improves the working efficiency.
In one embodiment of the present utility model, the first injection member is a first syringe and the second injection member is a second syringe.
More preferably, the piston rod of the first syringe is sleeved with a first spring, the piston rod of the second syringe is sleeved with a second spring, and the first spring and the second spring are both compression springs. The first spring and the second spring are favorable for resetting the injector, and air suction and water pumping can be respectively realized in the resetting process.
In a preferred embodiment of the present utility model, the air inlet pipe and the air outlet pipe are connected to the first injector through a first connector, and the air inlet pipe is provided with a third valve; the drain pipe and the water inlet pipe are connected with the second injector through a second connector, and a fourth valve for preventing water from flowing reversely is arranged on the water inlet pipe.
More preferably, the first valve, the second valve, the third valve and the fourth valve are all one-way valves, so that the communication between the ventilation unit and the water supply unit can be ensured, the air leakage and water leakage of the ventilation unit and the water supply unit can be avoided, and the gas and the purified water can finally flow to the reagent needle.
In another embodiment of the present utility model, the ventilation and water-through test device for a reagent needle further comprises a first syringe pump and a second syringe pump, wherein the first syringe is arranged on the first syringe pump, and the second syringe is arranged on the second syringe pump. According to the utility model, the automatic suction of each injector can be realized by using the injection pump, so that both hands are further released, and the inspection efficiency is improved.
In another embodiment of the present utility model, the first valve is a first two-position three-way electromagnetic valve, the exhaust pipe is connected to a first port of the first two-position three-way electromagnetic valve, the intake pipe is connected to a second port of the first two-position three-way electromagnetic valve, and the first injector is connected to a third port of the first two-position three-way electromagnetic valve; the second valve is a second two-position three-way electromagnetic valve, the drain pipe is connected with a first interface of the second two-position three-way electromagnetic valve, the water inlet pipe is connected with a second interface of the second two-position three-way electromagnetic valve, and the second injector is connected with a third interface of the second two-position three-way electromagnetic valve. According to the utility model, the ventilation and water-passing inspection of the reagent needle is controlled by controlling the electrifying condition and the on-off condition of the first two-position three-way electromagnetic valve and the second two-position three-way electromagnetic valve, so that water in a pipeline can be extruded, the inspection of the next reagent needle is facilitated, and the efficiency is improved.
Compared with the prior art, the utility model has the advantages that: the ventilation unit and the water ventilation unit are respectively connected with the connection unit, so that the connection between the reagent needle and the ventilation unit and the connection between the reagent needle and the ventilation unit are realized, and repeated plugging and unplugging are not needed; in addition, the ventilation unit and the water ventilation unit are respectively connected with the reagent needle, so that ventilation and water ventilation inspection can be realized, residual water in the reagent needle can be blown away by the ventilation unit, and the storage waiting time of the reagent needle is shortened. The utility model has convenient ventilation and water-filling operation, can realize the rapid inspection and the rapid warehouse entry of the reagent needle, and improves the working efficiency.
Drawings
Fig. 1 is a schematic diagram of a first embodiment of the present utility model.
Fig. 2 is a schematic diagram of a second embodiment of the present utility model.
FIG. 3 is a schematic view of a third embodiment of the present utility model
Detailed Description
It should be noted that, in the present utility model, unless explicitly specified and limited otherwise, the terms "connected", "fixed", and the like are to be construed broadly, and for example, "fixed" may be either a fixed connection or a removable connection or be integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B.
The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present utility model under the premise of the technical solution of the present utility model, but the scope of protection of the present utility model is not limited to the following embodiments.
The utility model provides a ventilation and water-through inspection device special for a reagent needle, wherein a ventilation unit and a water-through unit in the device are respectively connected with a connection unit, so that the connection between the reagent needle and the ventilation unit and the connection between the reagent needle and the ventilation unit are realized, and repeated plugging and unplugging are not needed; in addition, the ventilation unit and the water ventilation unit are respectively connected with the reagent needle, so that ventilation and water ventilation inspection can be realized, residual water in the reagent needle can be blown away by the ventilation unit, the warehousing waiting time and the installation waiting time of the reagent needle are shortened, and the verification efficiency of the reagent needle is improved.
Referring to fig. 1, the ventilation and water-through inspection device special for a reagent needle according to the present utility model includes a ventilation unit for detecting ventilation of the reagent needle, a water-through unit for detecting water-through performance of the reagent needle, and a connection unit for connecting the ventilation unit and the water-through unit together;
the ventilation unit comprises a first injection piece (namely a first injector 1.2 with a first spring 1.1), the first injector 1.2 is connected with an air inlet pipe 1.3 and an air outlet pipe 1.4, the air inlet pipe 1.3 and the air outlet pipe 1.4 are connected with the first injector 1.2 through a first connecting head 1.5, a first valve 1.6 for preventing air from flowing back into the first injector 1.2 is arranged on the air outlet pipe 1.4, a third valve 1.7 for preventing air from being discharged from the air inlet pipe 1.3 is arranged on the air inlet pipe 1.3, and the air inlet pipe 1.3 is connected with the external atmosphere;
the water passing unit comprises a second injection piece (namely a second injector 2.2 with a second spring 2.1), the second injector 2.2 is connected with a water inlet pipe 2.3 and a water outlet pipe 2.4, the water inlet pipe 2.3 and the water outlet pipe 2.4 are connected with the second injector 2.2 through a second connector 2.5, a fourth valve 2.6 for preventing water and gas from overflowing outwards is arranged on the water inlet pipe 2.3, a second valve 2.7 for preventing water from flowing backwards to the second injector 2.2 is arranged on the water outlet pipe 2.4, and the first valve 1.6, the second valve 2.7, the third valve 1.7 and the fourth valve 2.6 are all one-way valves; the first injector 1.2 and the second injector 2.2 are provided with springs (preferably compression springs), so that the automatic suction of the first injector 1.2 and the second injector 2.2 can be realized, and a foundation is laid for the ventilation and water supply of reagent needles;
the connecting unit comprises a three-way joint 3.1 and a connecting pipe 3.2 for connecting the reagent needle, one end of the connecting pipe 3.2 is connected with a first interface of the three-way joint 3.1, and the other end of the connecting pipe 3.2 is used for connecting a head inlet of the reagent needle; the drain pipe 2.4 is connected with the second interface of the three-way joint 3.1, and the exhaust pipe 1.4 is connected with the third interface of the three-way joint 3.1. The connecting pipe links together ventilation unit and ventilation unit, makes ventilation unit and ventilation unit finally on a pipeline, and accessible ventilation unit is with inside water punching press come out, and the inspection of next reagent needle of being convenient for improves inspection efficiency to satisfy the quick check-up demand of a large amount of reagent needles.
The water and air ventilation test process of the utility model is as follows: ensuring that the first syringe 1.2 has air therein and the second syringe 2.2 has purified water therein before the test, and inserting the reagent needle 4 into the connection tube 3.2; in the air tightness test, the outlet end of the reagent needle 4 is sealed by a plug, a piston rod of the first injector 1.2 is pushed to push air to the exhaust pipe 1.4, the fourth valve 2.6 on the water inlet pipe 2.3 prevents the air from overflowing, so that the air in the exhaust pipe 1.4 can only enter the connecting pipe 3.2 and the reagent needle through the three-way connecting valve, the reagent needle is put into water, whether air bubbles emerge is observed, if so, the air leakage of the reagent needle is indicated, and if not, the air tightness of the reagent needle is indicated to be good;
after the air tightness test is finished, the piston rod of the first injector 1.2 is loosened, so that the piston rod is automatically reset under the action of the first spring 1.1, and external air enters the first injector 1.2 from the air inlet pipe 1.3 in the resetting process, so that a foundation is laid for blow-drying of a reagent needle or air tightness test of the next reagent needle;
after the first injector 1.2 is restored to the initial state, the second injector 2.2 is pushed forward, the second valve 2.7 on the air inlet pipe 1.3 and the second valve 2.7 on the drain valve prevent water from flowing along the air outlet pipe 1.4 towards the first injector 1.2, purified water is enabled to enter the reagent needle along the water outlet pipe 2.4 and the connecting pipe 3.2, and the water jet condition of the reagent needle 4 is observed; after the water is passed, the piston rod of the second injector 2.2 is loosened, so that the piston rod is automatically reset under the action of the second spring 2.1, and water is pumped through the water inlet pipe 2.3 in the resetting process, thereby laying a foundation for the water-passing test of the next reagent needle; in addition, the ventilation operation is repeated (the plug at the outlet end of the reagent needle is removed), and the drain pipe 2.4, the exhaust pipe 1.4 and the water in the reagent needle are pressed out by using the ventilation unit, so that the air tightness and the ventilation performance of the next reagent needle are conveniently checked, and the checking efficiency of the reagent needle is improved; the ventilation unit can also completely blow off the water in the reagent needle, avoid purified water to remain, shorten the warehouse-in waiting time and the installation waiting time of the reagent needle.
The drain pipe 2.4 and the exhaust pipe 1.4 are respectively communicated with the connecting pipe 3.2, so that the communication between the reagent needle and the water and ventilation unit is realized, and the reagent needle is not required to be repeatedly inserted and pulled out; the ventilation unit and the water ventilation unit are combined to perform air tightness test on the reagent needle, water ventilation test can be performed, residual water in the reagent needle can be blown away by the ventilation unit, and the storage waiting time or the installation waiting time of the reagent needle is shortened.
In another embodiment of the utility model: as can be seen from fig. 2, the ventilation and water-communication inspection device special for a reagent needle of the present utility model further comprises a first syringe pump 1.8 and a second syringe pump 2.8, wherein the first syringe pump 1.8 is installed on the first syringe pump 1.2, and the second syringe pump 2.2 is installed on the second syringe pump 2.8. In operation, the first syringe 1.2 is pushed by the first syringe pump 1.8 and the second syringe 2.2 is pushed by the second syringe pump 2.8. The utility model replaces manual work by the injection pump, not only can realize automatic air supply and water supply and avoid the hand fatigue of operators, but also can omit the first spring and the second spring. Of course, in actual installation, the first syringe pump and the second syringe pump may be replaced by a dual-channel syringe pump.
In a third embodiment of the utility model: as can be seen from fig. 3, the first connector 1.5 may be replaced by the first two-position three-way electromagnetic valve 1.9 shown in fig. 3, and the first valve and the third valve are omitted correspondingly; the second connector 2.5 is replaced by a second two-position three-way solenoid valve 2.9 as in fig. 3, with the second and fourth valves omitted correspondingly.
Inserting a connecting pipe 3.2 into the port of the reagent needle 4 during inspection, opening and adjusting a first two-position three-way electromagnetic valve 1.9 to be in a state of being communicated with the outside atmosphere, pulling out a piston rod of the first syringe 1.2, then switching the first two-position three-way electromagnetic valve 1.9 to be in a state of being communicated with an exhaust pipe 1.4 (at the moment, the second two-position three-way electromagnetic valve 2.9 is in a closed state), enabling gas to enter the reagent needle 4 through the exhaust pipe 1.4 and the connecting pipe 3.2, and placing the reagent needle 4 in water to observe whether bubbles emerge or not so as to determine the air tightness of the reagent needle;
closing the first two-position three-way electromagnetic valve 1.9, opening the second two-position three-way electromagnetic valve 2.9, and enabling the water inlet pipe and the second injector 2.2 to be in a communicated state, and pumping purified water manually or by using a second injection pump; then, the second two-position three-way electromagnetic valve 2.9 is switched to a state that the drain pipe is communicated with the second injector 2.2, the water pressure of the second injector 2.2 is manually or by utilizing a second injection pump to the reagent needle 4, and the water flow condition sprayed by the reagent needle is observed;
after the water-through test is finished, repeating the ventilation operation, and pressing out the water in the drain pipe, the connecting pipe and the reagent needle; and then the operation is repeated to perform the test of the next reagent needle, so that the rapid and continuous test of the reagent needle is realized, the test efficiency is improved, and the test requirement of a large number of reagent needles can be met.
It should be emphasized that the above description is merely a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some of the technical features described in the above embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a special ventilation of reagent needle leads to water verifying attachment which characterized in that: the device comprises a ventilation unit for detecting the ventilation of the reagent needle, a water ventilation unit for detecting the water ventilation performance of the reagent needle and a connecting unit for connecting the ventilation unit and the water ventilation unit together; the ventilation unit comprises a first injection piece, the first injection piece is connected with an air inlet pipe and an air outlet pipe, and a first valve for preventing the gas from flowing backwards is arranged on the air outlet pipe; the water passing unit comprises a second injection piece, the second injection piece is connected with a water inlet pipe and a water outlet pipe, and a second valve for preventing water from flowing back is arranged on the water outlet pipe; the connecting unit comprises a tee joint and a connecting pipe for connecting the reagent needle, the connecting pipe is connected with a first interface of the tee joint, the drain pipe is connected with a second interface of the tee joint, and the exhaust pipe is connected with a third interface of the tee joint.
2. The reagent needle-specific vent-to-water test device of claim 1, wherein: the first injection piece is a first injector, and the second injection piece is a second injector.
3. The reagent needle-specific vent-to-water test device of claim 2, wherein: the piston rod of the first syringe is sleeved with a first spring, the piston rod of the second syringe is sleeved with a second spring, and the first spring and the second spring are compression spring mountains.
4. The reagent needle-specific vent-to-water test device of claim 2, wherein: the air inlet pipe and the air outlet pipe are connected with the first injector through a first connecting joint, and a third valve is arranged on the air inlet pipe; the drain pipe and the water inlet pipe are connected with the second injector through a second connector, and a fourth valve for preventing water from flowing reversely is arranged on the water inlet pipe.
5. The reagent needle-specific vent-to-water test device of claim 4, wherein: the first valve, the second valve, the third valve and the fourth valve are all one-way valves.
6. The reagent needle-specific vent-to-water test device of claim 2, wherein: the injection device further comprises a first injection pump and a second injection pump, wherein the first injection pump is arranged on the first injection pump, and the second injection pump is arranged on the second injection pump.
7. The reagent needle-specific vent-to-water test device of claim 2 or 6, wherein: the first valve is a first two-position three-way electromagnetic valve, the exhaust pipe is connected with a first interface of the first two-position three-way electromagnetic valve, the air inlet pipe is connected with a second interface of the first two-position three-way electromagnetic valve, and the first injector is connected with a third interface of the first two-position three-way electromagnetic valve;
the second valve is a second two-position three-way electromagnetic valve, the drain pipe is connected with a first interface of the second two-position three-way electromagnetic valve, the water inlet pipe is connected with a second interface of the second two-position three-way electromagnetic valve, and the second injector is connected with a third interface of the second two-position three-way electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320845345.1U CN219798617U (en) | 2023-04-17 | 2023-04-17 | Special ventilation and water-supply inspection device for reagent needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320845345.1U CN219798617U (en) | 2023-04-17 | 2023-04-17 | Special ventilation and water-supply inspection device for reagent needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798617U true CN219798617U (en) | 2023-10-03 |
Family
ID=88186082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320845345.1U Active CN219798617U (en) | 2023-04-17 | 2023-04-17 | Special ventilation and water-supply inspection device for reagent needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798617U (en) |
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2023
- 2023-04-17 CN CN202320845345.1U patent/CN219798617U/en active Active
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