CN219369513U - Counting device and analyzer - Google Patents
Counting device and analyzer Download PDFInfo
- Publication number
- CN219369513U CN219369513U CN202223076918.3U CN202223076918U CN219369513U CN 219369513 U CN219369513 U CN 219369513U CN 202223076918 U CN202223076918 U CN 202223076918U CN 219369513 U CN219369513 U CN 219369513U
- Authority
- CN
- China
- Prior art keywords
- pipe
- communicated
- negative pressure
- gas storage
- pool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a counting device and an analyzer, and relates to the technical field of medical inspection. The counting device comprises a counting tank, a negative pressure mechanism, a cleaning mechanism and a gas storage mechanism; the counting pool comprises a front pool and a rear pool, the front pool and the rear pool are connected through small holes, the front pool is used for storing a sample to be detected, and the rear pool is provided with a first port and a second port; the negative pressure mechanism is communicated with the first port, and can reduce the air pressure in the rear pool so that a sample to be detected can enter the rear pool through the small hole; the cleaning mechanism is communicated with the second port, can inject flushing liquid into the back pool, can flow from the first port to the negative pressure mechanism and is discharged through the negative pressure mechanism; the gas storage mechanism is respectively communicated with the forehearth and the cleaning mechanism, the gas storage mechanism is used for storing gas, and the cleaning mechanism can enable the gas to enter the forehearth when the flushing liquid is injected into the gas storage mechanism, so that samples to be detected in the forehearth can be uniformly mixed. The counting device solves the technical problem that the existing counting device is complex in structure.
Description
Technical Field
The utility model relates to the technical field of medical examination, in particular to a counting device and an analyzer.
Background
The existing analyzer mainly carries out classification calculation of cells by an electrical impedance method, a counting device of the analyzer mainly comprises a counting tank and a negative pressure mechanism, the counting tank comprises a front tank and a rear tank which are communicated by a small hole, and under the action of the negative pressure mechanism, the cells in the front tank enter the rear tank through the small hole, so that the electrical impedance between electrodes at two sides of the small hole is changed, pulses are generated, the cells can be classified by measuring the pulse size, the number of the pulses with various sizes is recorded, and therefore, the various cells can be counted, and whether the cells are in a normal range or not is judged.
At present, the counting device is further provided with a plurality of mechanisms for being convenient to use, including but not limited to a mixing mechanism capable of mixing sample liquid in the counting tank and a cleaning mechanism capable of cleaning the back tank and the pipeline, and most of the different mechanisms work independently, so that the overall structure layout of the counting device is complex.
Disclosure of Invention
In view of the above, the utility model provides a counting device and an analyzer, which are used for solving the technical problem that the existing counting device has a complex structure.
In order to solve the technical problems, the first technical scheme adopted by the utility model is as follows:
a counting device, the counting device comprising:
the counting device comprises a counting pool, a first opening and a second opening, wherein the counting pool comprises a front pool and a rear pool, the front pool is connected with the rear pool through small holes and is used for storing a sample to be detected, and the rear pool is provided with the first opening and the second opening;
the negative pressure mechanism is communicated with the first port and can reduce the air pressure in the rear pool so that the sample to be detected can enter the rear pool through the small hole;
a cleaning mechanism which is communicated with the second port, can inject a flushing fluid into the rear tank, can flow from the first port to the negative pressure mechanism, and can be discharged through the negative pressure mechanism;
and the gas storage mechanism is respectively communicated with the forehearth and the cleaning mechanism, the gas storage mechanism is used for storing gas, and the cleaning mechanism can enable the gas to enter the forehearth when the flushing liquid is injected into the gas storage mechanism, so that the sample to be detected in the forehearth can be uniformly mixed.
In some embodiments of the counting device, the cleaning mechanism comprises a first pipe, a first three-way valve, a second pipe, a liquid storage element and a suction and discharge element, wherein the suction and discharge element, the first pipe and the second pipe are respectively communicated with three communication ports of the first three-way valve, the first three-way valve is used for controlling the suction and discharge element to be communicated with one of the first pipe and the second pipe, one end of the first pipe away from the first three-way valve is communicated with the second port, one end of the second pipe away from the first three-way valve is communicated with the liquid storage element, and the liquid storage element is used for storing the flushing liquid;
the gas storage mechanism is communicated with the first pipe, and the suction and discharge element is used for sucking out the flushing liquid in the liquid storage element and discharging the flushing liquid to the first pipe, so that the rear tank can be cleaned, and the flushing liquid is injected into the gas storage mechanism.
In some embodiments of the counting device, the negative pressure mechanism comprises a third pipe, a negative pressure element and a first valve, one end of the third pipe is communicated with the first port, the other end of the third pipe is communicated with the negative pressure element, the negative pressure element is used for reducing the air pressure in the rear pool, and the first valve is mounted on the third pipe and used for controlling the on-off of the third pipe.
In some embodiments of the counting device, the gas storage mechanism is further communicated with the negative pressure mechanism, and the negative pressure mechanism can be communicated with the forehearth through the gas storage mechanism, so that the sample to be detected can be discharged through the forehearth, the gas storage mechanism and the negative pressure mechanism in sequence.
In some embodiments of the counting device, the counting device further comprises a three-way interface mounted to the third tube and located between the first port and the first valve, and the gas storage mechanism is in communication with the three-way interface and is in turn in communication with the first tube and the negative pressure element, respectively, via the third tube.
In some embodiments of the counting device, the gas storage mechanism comprises a gas storage chamber, a fourth pipe and a second valve, wherein one end of the fourth pipe is communicated with the forehearth, the other end of the fourth pipe is communicated with the three-way connector, the fourth pipe can be communicated with the first pipe through the third pipe, the gas storage chamber and the second valve are both installed on the fourth pipe and are both communicated with the fourth pipe, the gas storage chamber is located between the forehearth and the second valve, the gas storage chamber is used for storing gas, and the second valve is used for controlling on-off of the fourth pipe.
In some embodiments of the counting device, the suction and discharge element is a syringe.
In order to solve the technical problems, the second technical scheme adopted by the utility model is as follows:
an analyser comprising a counting device as described in the above embodiments.
In some embodiments of the analyzer, the analyzer further comprises a sampling device in communication with the first port and the negative pressure mechanism, respectively, such that the rinse solution can pass through the back cell, the sampling device, and the negative pressure mechanism in sequence, thereby enabling the sampling device to be cleaned.
In some embodiments of the analyzer, the sampling device includes a sampling assembly, a fifth pipe, a sixth pipe, a second three-way valve and a third three-way valve, where a cleaning inlet, a cleaning outlet and an accommodating space are disposed on the sampling assembly, the cleaning inlet and the cleaning outlet are respectively communicated with the accommodating space, the second three-way valve and the third three-way valve are both installed on the third pipe and are respectively communicated with the third pipe, the second three-way valve and the third three-way valve are respectively located at two sides of the three-way interface, one end of the fifth pipe is communicated with the second three-way valve, the other end of the fifth pipe is communicated with the cleaning inlet, one end of the sixth pipe is communicated with the cleaning outlet, and the other end of the sixth pipe is communicated with the third three-way valve.
The implementation of the embodiment of the utility model has at least the following beneficial effects:
the counting device is applied to the analyzer, so that the counting device and the analyzer have the technical effect of simplifying the structure, and particularly, on one hand, the cleaning mechanism, the rear tank and the negative pressure mechanism can form a flushing path for flushing the rear tank, the cleaning mechanism can inject flushing fluid into the rear tank through the second port on the rear tank, and the flushing fluid can flow out from the first port to the negative pressure mechanism after flushing the rear tank and then be discharged out of the counting device under the action of the negative pressure mechanism; on the other hand, the cleaning mechanism can also form a mixing path for mixing the sample to be detected in the forehearth with the gas storage mechanism and the forehearth, and the flushing liquid can directly enter the gas storage mechanism to drive the gas in the gas storage mechanism to enter the forehearth, and the gas continuously enters the forehearth, so that the sample to be detected in the forehearth can flow to achieve the mixing effect. The utility model fully utilizes the power source of the cleaning mechanism, so that the cleaning mechanism can wash the back pool and can also serve as the power source of the gas storage mechanism, the original power source of the gas storage mechanism can be removed, the technical effect of simplifying the structure is achieved, and the technical problem of complex structure of the existing counting device is solved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a counting device in one embodiment;
FIG. 2 is a schematic diagram showing a connection structure between a counting device and a sampling device in one embodiment.
Wherein: 11. a front pool; 12. a back pool; 121. a first port; 122. a second port; 21. a negative pressure element; 22. a first valve; 23. a third tube; 31. a suction and discharge element; 32. a liquid storage element; 33. a first three-way valve; 34. a first tube; 35. a second tube; 41. an air storage chamber; 42. a second valve; 43. a fourth pipe; 5. a three-way interface; 61. a sampling assembly; 62. a second three-way valve; 63. a third three-way valve; 64. a fifth pipe; 65. and a sixth tube.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
At present, the counting device is further provided with a plurality of mechanisms for being convenient to use, including but not limited to a mixing mechanism capable of mixing sample liquid in the counting tank and a cleaning mechanism capable of cleaning the back tank and the pipeline, and most of the different mechanisms work independently, so that the overall structure layout of the counting device is complex.
The counting device and the analyzer according to the present utility model will be explained in further detail with reference to fig. 1 and 2.
In one embodiment of the counting device, the counting device comprises a counting cell, a negative pressure mechanism, a cleaning mechanism and a gas storage mechanism. The counting cell comprises a front cell 11 and a rear cell 12, the front cell 11 and the rear cell 12 are connected through small holes, the front cell 11 is used for storing a sample to be detected, and the rear cell 12 is provided with a first port 121 and a second port 122. The negative pressure mechanism is communicated with the first port 121, and can reduce the air pressure in the back pool 12 so that the sample to be detected can enter the back pool 12 through the small hole. The cleaning mechanism is communicated with the second port 122, and can inject the rinse liquid into the rear tank 12, and the rinse liquid can flow from the first port 121 to the negative pressure mechanism and be discharged through the negative pressure mechanism. The gas storage mechanism is respectively communicated with the front pool 11 and the cleaning mechanism, and is used for storing gas, and the cleaning mechanism can enable the gas to enter the front pool 11 when the cleaning mechanism injects flushing liquid into the gas storage mechanism, so that samples to be detected in the front pool 11 can be uniformly mixed.
In this embodiment, on the one hand, the cleaning mechanism, the rear tank 12 and the negative pressure mechanism can form a flushing path for flushing the rear tank 12, the cleaning mechanism can inject flushing liquid into the rear tank 12 through the second port 122 on the rear tank 12, and the flushing liquid can flow out from the first port 121 to the negative pressure mechanism after flushing the rear tank 12, and then is discharged out of the counting device under the action of the negative pressure mechanism; on the other hand, the cleaning mechanism can also form a mixing path for mixing the sample to be detected in the front tank 11 with the gas storage mechanism and the front tank 11, and the flushing liquid can directly enter the gas storage mechanism to drive the gas in the gas storage mechanism to enter the front tank 11, and the gas continuously enters the front tank 11, so that the sample to be detected in the front tank 11 flows to achieve the mixing effect. The power source of the cleaning mechanism is fully utilized, so that the cleaning mechanism can not only flush the back tank 12, but also serve as the power source of the gas storage mechanism, so that the original power source of the gas storage mechanism can be removed, the technical effect of simplifying the structure is achieved, and the technical problem of complex structure of the existing counting device is solved.
The aperture of the small hole between the front tank 11 and the rear tank 12 is small, and the resistance pressure difference is much larger than that of the first port 121, so that the amount of flushing liquid flowing into the small hole after the flushing liquid enters the rear tank 12 is extremely small, and the first port 121 is also communicated with the negative pressure mechanism, so that the flushing liquid can flow out of the first port 121 directly.
In one embodiment of the counting device, the cleaning mechanism comprises a first pipe 34, a first three-way valve 33, a second pipe 35, a liquid storage element 32 and a suction and discharge element 31, wherein the suction and discharge element 31, the first pipe 34 and the second pipe 35 are respectively communicated with three communication ports of the first three-way valve 33, the first three-way valve 33 is used for controlling the suction and discharge element 31 to be communicated with one of the first pipe 34 and the second pipe 35, one end of the first pipe 34 away from the first three-way valve 33 is communicated with the second port 122, one end of the second pipe 35 away from the first three-way valve 33 is communicated with the liquid storage element 32, and the liquid storage element 32 is used for storing flushing liquid. The gas storage mechanism is communicated with the first pipe 34, and the suction and discharge element 31 is used for sucking the flushing liquid in the liquid storage element 32 and discharging the flushing liquid to the first pipe 34, so that the rear tank 12 can be cleaned, and the flushing liquid can be injected into the gas storage mechanism.
In this embodiment, it will be understood that, in use, when the suction and discharge member 31 needs to suck the rinse liquid, the suction and discharge member 31 is communicated with the second pipe 35 via the first three-way valve 33 and the communication between the suction and discharge member 31 and the first pipe 34 is blocked, after the suction and discharge member 31 sucks enough rinse liquid, the first three-way valve 33 communicates the suction and discharge member 31 with the first pipe 34 and blocks the communication between the suction and discharge member 31 and the second pipe 35, and then the suction and discharge member 31 discharges the rinse liquid, the rinse liquid sequentially enters the rear tank 12 via the first three-way valve 33 and the first pipe 34 and flows out to the negative pressure mechanism via the first port 121 on the rear tank 12, thereby completing the flushing of the pipelines between the rear tank 12 and the negative pressure mechanism. The provision of the first three-way valve 33 can facilitate control of the communication of the cleaning mechanism, and can also facilitate the suction and discharge actions in cooperation with the suction and discharge element 31.
Specifically, the suction and discharge member 31 is a syringe. The pulling and pushing actions of the injector can correspond to the suction and discharge, and the injector has simple structure and low cost.
In one embodiment of the counting device, the negative pressure mechanism comprises a third pipe 23, a negative pressure element 21 and a first valve 22, one end of the third pipe 23 is communicated with the first port 121, the other end of the third pipe is communicated with the negative pressure element 21, the negative pressure element 21 is used for reducing the air pressure in the back pool 12, and the first valve 22 is arranged on the third pipe 23 and is used for controlling the on-off of the third pipe 23.
In this embodiment, by providing the first valve 22, the on-off of the third pipe 23 can be controlled conveniently, so that the communication between the negative pressure element 21 and the cleaning mechanism can be controlled, and when the sample to be detected in the cuvette 11 needs to be homogenized, the communication with the negative pressure element 21 can be disconnected first, so that the interference of the negative pressure element 21 on the homogenization is reduced.
In particular, the negative pressure element 21 may be a vacuum pump.
In one embodiment of the counting device, the front tank 11 may have a funnel shape, i.e., the front tank 11 is perforated and can communicate with the outside air, and the rear tank 12 is mounted on the side wall of the front tank 11.
In an embodiment of the counting device, the gas storage mechanism is further communicated with the negative pressure mechanism, and the negative pressure mechanism can be communicated with the front pool 11 through the gas storage mechanism, so that a sample to be detected can be discharged through the front pool 11, the gas storage mechanism and the negative pressure mechanism in sequence.
In the previous embodiment, the air storage mechanism and the negative pressure mechanism are not directly connected, but in the present embodiment, the air storage mechanism is communicated with the negative pressure mechanism, so that the action of the negative pressure mechanism can be expanded, and in the previous embodiment, the action of the negative pressure mechanism is reflected on the one hand in reducing the air pressure of the rear tank 12, so as to achieve the purpose of detection; on the other hand, the negative pressure mechanism can also cooperate with the cleaning mechanism to discharge the flushing liquid out of the counting device, and when the gas storage mechanism is communicated with the negative pressure mechanism, a new path is formed among the front tank 11, the gas storage mechanism and the negative pressure mechanism, at the moment, the negative pressure mechanism can also discharge a sample to be detected in the front tank 11 out of the counting device from the front tank 11 through the gas storage mechanism after detection is completed, and meanwhile, air can also be sucked into the gas storage mechanism, so that the negative pressure mechanism is fully utilized.
In one embodiment of the counting device, the counting device further comprises a three-way joint 5, wherein the three-way joint 5 is arranged on the third pipe 23 and is positioned between the first port 121 and the first valve 22, and the gas storage mechanism is communicated with the three-way joint 5 and further can be respectively communicated with the first pipe 34 and the negative pressure element 21 through the third pipe 23.
First, in the foregoing embodiment, the gas storage mechanism may be divided into two pipes, which are respectively communicated with the negative pressure mechanism and the cleaning mechanism, whereas in this embodiment, by providing the three-way connection 5 on the third pipe 23, the gas storage mechanism may achieve the effect of communicating with the first pipe 34 in the cleaning mechanism and the third pipe 23 in the negative pressure mechanism by communicating only on one of the three-way connection 5, thereby being capable of further simplifying the communication relationship between the gas storage mechanism and the cleaning mechanism and the negative pressure mechanism, and achieving the effect of simplifying the pipes.
In one embodiment of the counting device, the gas storage mechanism comprises a gas storage chamber 41, a fourth pipe 43 and a second valve 42, one end of the fourth pipe 43 is communicated with the forehearth 11, the other end of the fourth pipe 43 is communicated with the three-way joint 5, the fourth pipe 43 can be communicated with the first pipe 34 through the third pipe 23, the gas storage chamber 41 and the second valve 42 are both arranged on the fourth pipe 43 and are both communicated with the fourth pipe 43, the gas storage chamber 41 is positioned between the forehearth 11 and the second valve 42, the gas storage chamber 41 is used for storing gas, and the second valve 42 is used for controlling the on-off of the fourth pipe 43.
In the present embodiment, by providing the second valve 42, after the negative pressure mechanism draws out the sample to be tested in the front tank 11, the air storage chamber 41 and the fourth pipe 43 and sucks in air, the air can be stored in the air storage chamber 41 and the fourth pipe 43 by closing the second valve 42 so that the air is stored in a closed state after the sample to be tested is newly added in the front tank 11, and it is further understood that by providing the first valve 22 and the second valve 42, the first valve 22 and the second valve 42 can control the communication with the cleaning mechanism, respectively, so that the cleaning mechanism can communicate with the air storage chamber 41 and the negative pressure element 21, respectively.
By providing the first valve 22 and the second valve 42 and communicating the fourth pipe 43 with the three-way interface 5, the mixing of the sample to be detected in the cuvette 11 can be performed in a plurality of ways: the first valve 22 is closed, and the gas in the gas storage chamber 41 is driven to enter the front pool 11 only through the suction and discharge element 31 for uniform mixing; the second way is that the first valve 22 is repeatedly opened and closed, when the first valve 22 is opened, the negative pressure element 21 is communicated with the air storage chamber 41, so that a certain suction force can be provided, the sample to be detected in the forehearth 11 can be sucked into the fourth pipe 43 and the air storage chamber 41, then the first valve 22 is closed, the fourth pipe 43 and the air storage chamber 41 are driven to press the sample to be detected to move through the suction and discharge element 31, so that the purpose of uniform mixing is achieved, and the attention is paid to that when the way is used, the opening time of the first valve 22 needs to be controlled, so that the negative pressure element 21 is prevented from evacuating the gas in the fourth pipe 43 and the air storage chamber 41; in the third mode, the opening time of the second valve 42 is controlled, so that the gas can be intermittently pressed into the foretank 11, and a better mixing effect is achieved. The third mode can be combined with the first mode and can also be combined with the second mode, and when the third mode is combined with the second mode, the opening time of the first valve 22 and the second valve 42 can be controlled, and a periodic mixing action can be formed, and preferably, the opening time of the second valve 42 does not exceed the opening time of the first valve 22.
The utility model also relates to an analyzer comprising the counting device of the above embodiments.
By applying the counting device in the above embodiment to an analyzer, the structure of the counting device can be simplified.
In one analyzer embodiment, the analyzer further includes a sampling device in communication with the first port 121 and the negative pressure mechanism, respectively, to enable the rinse solution to pass through the back cell 12, the sampling device, and the negative pressure mechanism in sequence to enable the sampling device to be cleaned.
It will be appreciated that the sampling device, due to the mechanism for collecting the test solution or sample, also requires cleaning after use, in this embodiment by switching the analyzer into the counting device, in particular into the flushing path of the cleaning mechanism, likewise the flushing liquid after cleaning the collection mechanism is discharged via the negative pressure mechanism.
In one embodiment of the analyzer, the sampling device includes a sampling assembly 61, a fifth pipe 64, a sixth pipe 65, a second three-way valve 62 and a third three-way valve 63, where a cleaning inlet, a cleaning outlet and a housing space are disposed on the sampling assembly 61, the cleaning inlet and the cleaning outlet are respectively communicated with the housing space, the second three-way valve 62 and the third three-way valve 63 are both installed on the third pipe 23 and are respectively communicated with the third pipe 23, the second three-way valve 62 and the third three-way valve 63 are respectively located at two sides of the three-way interface 5, one end of the fifth pipe 64 is communicated with the second three-way valve 62, the other end is communicated with the cleaning inlet, one end of the sixth pipe 65 is communicated with the cleaning outlet, and the other end is communicated with the third three-way valve 63.
In this embodiment, the sampling assembly 61 includes a sampling container and a sampling needle, where the sampling needle can suck and discharge a test solution or a sample into the sampling container, the sampling assembly 61 is connected to the third pipe 23 through the fifth pipe 64 and the sixth pipe 65 in cooperation with the second three-way valve 62 and the third three-way valve 63, and the second three-way valve 62 and the third three-way valve 63 can control on-off between the sampling assembly 61 and the third pipe 23, so that the sampling assembly 61 and the third pipe 23 are arranged in parallel, thereby forming a flushing path capable of flushing the sampling assembly 61.
Further, in the foregoing embodiment of the counting device, the negative pressure mechanism includes the first valve 22, and after the sampling device is combined, the third three-way valve 63 in the sampling device can directly replace the first valve 22, so as to further simplify the structure, of course, the third three-way valve 63 and the first valve 22 can coexist, and the first valve 22 can also serve as a total control valve of the negative pressure element 21.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A counting device, characterized in that it comprises:
the counting device comprises a counting pool, a first opening and a second opening, wherein the counting pool comprises a front pool and a rear pool, the front pool is connected with the rear pool through small holes and is used for storing a sample to be detected, and the rear pool is provided with the first opening and the second opening;
the negative pressure mechanism is communicated with the first port and can reduce the air pressure in the rear pool so that the sample to be detected can enter the rear pool through the small hole;
a cleaning mechanism which is communicated with the second port, can inject a flushing fluid into the rear tank, can flow from the first port to the negative pressure mechanism, and can be discharged through the negative pressure mechanism;
and the gas storage mechanism is respectively communicated with the forehearth and the cleaning mechanism, the gas storage mechanism is used for storing gas, and the cleaning mechanism can enable the gas to enter the forehearth when the flushing liquid is injected into the gas storage mechanism, so that the sample to be detected in the forehearth can be uniformly mixed.
2. The counting device of claim 1, wherein the cleaning mechanism comprises a first tube, a first three-way valve, a second tube, a liquid storage element and a suction and discharge element, wherein the suction and discharge element, the first tube and the second tube are respectively communicated with three communication ports of the first three-way valve, the first three-way valve is used for controlling the suction and discharge element to be communicated with one of the first tube and the second tube, one end of the first tube away from the first three-way valve is communicated with the second port, one end of the second tube away from the first three-way valve is communicated with the liquid storage element, and the liquid storage element is used for storing the flushing liquid;
the gas storage mechanism is communicated with the first pipe, and the suction and discharge element is used for sucking out the flushing liquid in the liquid storage element and discharging the flushing liquid to the first pipe, so that the rear tank can be cleaned, and the flushing liquid is injected into the gas storage mechanism.
3. The counting device according to claim 2, wherein the negative pressure mechanism comprises a third pipe, a negative pressure element and a first valve, one end of the third pipe is communicated with the first port, the other end of the third pipe is communicated with the negative pressure element, the negative pressure element is used for reducing the air pressure in the rear tank, and the first valve is arranged on the third pipe and used for controlling the on-off of the third pipe.
4. The counting device of claim 3, wherein the gas storage mechanism is further in communication with the negative pressure mechanism, and the negative pressure mechanism is capable of communicating with the forehearth through the gas storage mechanism, thereby enabling the sample to be detected to be discharged sequentially through the forehearth, the gas storage mechanism and the negative pressure mechanism.
5. The counting device of claim 4, further comprising a three-way port mounted to the third tube and positioned between the first port and the first valve, wherein the gas storage mechanism is in communication with the three-way port and is in communication with the first tube and the negative pressure element, respectively, via the third tube.
6. The counting assembly of claim 5, wherein the gas storage mechanism comprises a gas storage chamber, a fourth pipe and a second valve, wherein one end of the fourth pipe is communicated with the forebay, the other end of the fourth pipe is communicated with the three-way joint, the fourth pipe can be communicated with the first pipe through the third pipe, the gas storage chamber and the second valve are both arranged on the fourth pipe and are both communicated with the fourth pipe, the gas storage chamber is positioned between the forebay and the second valve, the gas storage chamber is used for storing gas, and the second valve is used for controlling the on-off of the fourth pipe.
7. A counting device according to claim 5 or 6, wherein the suction and discharge element is a syringe.
8. An analyser comprising a counting device according to any one of claims 5 to 7.
9. The analyzer of claim 8, further comprising a sampling device in communication with the first port and the negative pressure mechanism, respectively, to enable the rinse solution to pass through the back cell, the sampling device, and the negative pressure mechanism in sequence to enable cleaning of the sampling device.
10. The analyzer of claim 9, wherein the sampling device comprises a sampling assembly, a fifth pipe, a sixth pipe, a second three-way valve and a third three-way valve, wherein a cleaning inlet, a cleaning outlet and a containing space are arranged on the sampling assembly, the cleaning inlet and the cleaning outlet are respectively communicated with the containing space, the second three-way valve and the third three-way valve are respectively arranged on the third pipe and are respectively communicated with the third pipe, the second three-way valve and the third three-way valve are respectively positioned on two sides of the three-way interface, one end of the fifth pipe is communicated with the second three-way valve, the other end of the fifth pipe is communicated with the cleaning inlet, one end of the sixth pipe is communicated with the cleaning outlet, and the other end of the sixth pipe is communicated with the third three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223076918.3U CN219369513U (en) | 2022-11-18 | 2022-11-18 | Counting device and analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223076918.3U CN219369513U (en) | 2022-11-18 | 2022-11-18 | Counting device and analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369513U true CN219369513U (en) | 2023-07-18 |
Family
ID=87141989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223076918.3U Active CN219369513U (en) | 2022-11-18 | 2022-11-18 | Counting device and analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369513U (en) |
-
2022
- 2022-11-18 CN CN202223076918.3U patent/CN219369513U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104897557A (en) | Flow cytometry detection fluid circuit system and flow cytometry detection method | |
| CN204630897U (en) | FCM analysis liquid-way system | |
| US20200300272A1 (en) | Waste liquid treatment apparatus, method and sample analyzer | |
| CN207263475U (en) | A kind of device for discharging vacuum blood collection tube residual pressure | |
| WO2022142052A1 (en) | Sample collection and distribution system and method for pre-diluted mode, and blood cell analyzer | |
| US11383232B2 (en) | Sample testing device, sample analyzer and sample testing method | |
| CN113926775B (en) | Cleaning device and cleaning method for nozzle system of flow cytometry analyzer | |
| CN215711746U (en) | Reagent filling device | |
| CN219369513U (en) | Counting device and analyzer | |
| CN202119698U (en) | Particle measurement device | |
| WO2022001370A1 (en) | Liquid path system for sheath flow, and control method | |
| CN219831102U (en) | Full-automatic dry-type fluorescence immunoassay appearance | |
| CN213482012U (en) | Quick cell analyzer with wash structure | |
| WO2019127563A1 (en) | Particle analyzer using sheath flow impedance and measurement method therefor | |
| CN209673814U (en) | Sample analyser | |
| CN116106525A (en) | Blood analyzer | |
| CN112881089A (en) | Sampling device, liquid path system and method thereof and sample analyzer | |
| CN216350218U (en) | Electrical impedance counter and sample analyzer | |
| CN116037588A (en) | Classification pool cleaning system, method and analyzer | |
| CN113125330B (en) | Flow cytometry analyzer | |
| CN215641281U (en) | Liquid path system of biological sample detection analyzer and biological sample detection analyzer | |
| CN211877477U (en) | High-speed simple double-needle cleaning sample sucking liquid path system | |
| CN101285696A (en) | Volume metering method | |
| CN116087542A (en) | Sample analyzer and sample detection method | |
| CN221280895U (en) | Liquid path system for sheath flow impedance counting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |