CN217359262U - Settlement dyeing device and liquid-based film-making equipment - Google Patents

Abstract

The utility model is suitable for a medical equipment technical field discloses a subside dyeing apparatus and liquid-based film-making equipment, subsides the dyeing apparatus and includes that load-bearing platform, an at least material loading subassembly, sample divide mechanism and dyeing mechanism separately. The loading platform is provided with a loading station, the loading assembly is used for bearing the sedimentation tube assembly, the loading assembly is placed on the loading station, the sample injection mechanism is used for injecting a centrifuged sample into the sedimentation tube assembly at the loading station, and the dyeing mechanism is used for dyeing the sample at the loading station and in the sedimentation tube assembly after sedimentation. The utility model provides a subside dyeing apparatus material loading and dyeing are gone on at same work area, need not carry out the secondary after the material loading and remove just can carry out the dyeing operation. The time of the equipment film-making can be effectively saved, and the working efficiency of the equipment is improved. Just the utility model discloses rationally distributed, compact structure has less the site area that equipment occupy.

Description

Settlement dyeing device and liquid-based film-making equipment

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a subside dyeing apparatus and liquid-based film-making equipment.

Background

At present, the settlement dyeing device of prior art, the material loading station, the station of subsiding and the independent extension of dyeing station part go on, and different steps are gone on in the position region of difference, are unfavorable for saving equipment film-making time, and efficiency is lower. And different instruments occupy a larger area, and are not beneficial to improving the detection environment.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a method for solving the above-mentioned problems.

In order to achieve the purpose, the utility model provides a scheme is: a sedimentation dyeing apparatus comprising:

the device comprises a bearing platform, a feeding station and a feeding device, wherein the bearing platform is provided with the feeding station;

the feeding assembly is used for bearing the sedimentation pipe assembly and is placed at the feeding station;

the sample dispensing mechanism is used for dispensing the centrifuged sample into the sedimentation tube assembly at the feeding station;

and the dyeing mechanism is used for dyeing the sample which is positioned at the feeding station and is settled in the settling tube assembly.

Optionally, the loading station is further configured to perform sedimentation treatment on the sample in the sedimentation tube assembly.

Optionally, the material loading station includes a plurality of places, and is a plurality of the place be the multirow multiseriate interval distribution, every place be used for holding one the sedimentation pipe subassembly.

Optionally, the staining mechanism comprises a transfer component and a staining needle assembly mounted on the transfer component, and the transfer component is used for driving the staining needle assembly to move so as to add staining solution to stain the sample in each settling tube assembly.

Optionally, the staining needle assembly is provided with a set; alternatively, the first and second electrodes may be,

the number of the dyeing needle assemblies is the same as the number of the rows of the placing positions, and the distance between every two adjacent groups of the dyeing needle assemblies is the same as the distance between every two adjacent rows of the placing positions.

Optionally, the staining needle assembly comprises a first needle and at least one second needle, the second needle is used for adding staining solution, and the first needle is used for sucking redundant waste liquid;

the needle point position of the first needle is lower than that of the second needle in the vertical direction.

Optionally, a one-to-one corresponding serial number identifier is arranged outside each of the placement bits.

Optionally, the feeding assembly comprises a tray and a sliding assembly, and the tray is slidably mounted on the carrying platform through the sliding assembly.

Optionally, the feeding assembly further comprises a tray, a placing groove for placing the tray is formed in the tray, and the placing positions are distributed on the tray; and/or the presence of a gas in the atmosphere,

the sample dispensing mechanism comprises a driving assembly and a liquid suction needle arranged on the driving assembly, and the driving assembly is used for driving the liquid suction needle to move.

A second object of the present invention is to provide a liquid-based wafer manufacturing apparatus, including:

the elution and blending device is used for eluting and blending the sample in the sample container;

the sample centrifugal device is used for centrifuging the sample after elution and uniform mixing;

the sedimentation dyeing device is used for settling and dyeing the centrifuged sample;

and the soaking treatment device is used for soaking the dyed sample.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a subside dyeing apparatus and liquid-based film-making equipment, subside dyeing apparatus and include that load-bearing platform, an at least material loading subassembly, sample divide and annotate mechanism and dyeing mechanism. The loading platform is provided with a loading station, the loading assembly is used for bearing the sedimentation tube assembly, the loading assembly is placed on the loading station, the sample separate injection mechanism is used for separately injecting the centrifuged sample into the sedimentation tube assembly at the loading station, and the dyeing mechanism is used for dyeing the sample at the loading station and in the sedimentation tube assembly after sedimentation. The utility model provides a subside dyeing apparatus material loading and dyeing are gone on at same work area, need not carry out the secondary after the material loading and remove just can carry out the dyeing operation. The time of the equipment film-making can be effectively saved, and the working efficiency of the equipment is improved. Just the utility model discloses rationally distributed, compact structure has less the site area that equipment occupy.

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 perspective view of a sedimentation dyeing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a settling tube assembly according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a feeding assembly provided in the second embodiment of the present invention;

fig. 4 is a schematic perspective view of a tray according to a first embodiment of the present invention;

fig. 5 is a perspective view of a dyeing needle assembly according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a sample dispensing mechanism according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a sedimentation dyeing apparatus provided in the second embodiment of the present invention;

fig. 8 is a schematic perspective view of a liquid-based film-making apparatus provided in the third embodiment of the present invention;

fig. 9 is a schematic plan view of a liquid-based film-making apparatus provided by a third embodiment of the present invention.

The reference numbers illustrate:

100. a sedimentation dyeing device; 110. a load-bearing platform; 111. a feeding station; 120. a feeding assembly; 121. a tray; 1211. a placement groove; 122. a sliding assembly; 123. a material tray; 1231. placing bits; 130. a sample dispensing mechanism; 131. a drive assembly; 132. a liquid suction needle; 140. a dyeing mechanism; 141. a transfer assembly; 142. a staining needle assembly; 1421. a first needle; 1422. a second needle;

200. liquid-based sheeting equipment; 210. a loading and unloading device; 220. an elution and uniform mixing device; 230. a sample centrifugation device; 240. a soaking treatment device;

300. a settling tube assembly; 310. a slide holder; 320. a settling tube; 321. an accommodating chamber; 322. an inlet end; 323. an outlet end; 330. glass slide; 331. a cell pellet zone.

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 upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" 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 be indirectly connected to the other element through intervening elements.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating 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 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 or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-6 and 8, a sedimentation dyeing apparatus 100 according to an embodiment of the present invention includes a supporting platform 110, at least one loading assembly 120, a sample dispensing mechanism 130, and a dyeing mechanism 140. The loading platform 110 is provided with a loading station 111. The feeding assembly 120 is used for carrying the settling tube assembly 300, and the feeding assembly 120 is placed at the feeding station 111. The sample dispensing mechanism 130 is used for dispensing the centrifuged sample into the settling leg assembly 300 at the loading station 111. The dyeing mechanism 140 is used for dyeing the settled sample at the loading station 111 and in the settling tube assembly 300. Illustratively, after the sedimentation dyeing device 100 provided by the application is loaded, the dyeing mechanism 140 performs dyeing at the loading station 111. That is to say that material loading and dyeing are gone on in same work area, need not to carry out the secondary after the material loading and just can carry out the dyeing operation. The time of equipment film-making can be effectively saved, and the working efficiency of the equipment is improved. The embodiment is provided with two sets of feeding assemblies 120, and the two sets of feeding assemblies 120 can be used alternatively, so that uninterrupted feeding can be realized when the application is applied to automatic equipment. Of course, in a specific application, the feeding assemblies 120 are not limited to two sets, for example, as an alternative, only one set of the feeding assemblies 120 may be provided for feeding.

As shown in fig. 1 and 2, the feeding station 111 is also used for settling the sample in the settling tube assembly 300. The settling dyeing device 100 provided by the application can also carry out settling at the feeding station 111. That is, there are two alternatives, one is to perform the settling treatment and then perform the loading treatment at the loading station 111, and then perform the dyeing treatment at other equipment or stations. The other is fed to the feeding station 111, and then subjected to the settling treatment and the dyeing treatment.

As shown in fig. 1 and 2, the feeding assembly 120 of the present application, as one embodiment, feeds a settling tube assembly 300, and the settling tube assembly 300 is used for containing a sample to perform a settling process and a staining process on the sample. The settling tube assembly 300 includes a slide holder 310 and a settling tube 320. The slide holder 310 is used to hold a slide 330. The sedimentation tube 320 is provided with a containing cavity 321, an inlet end 322 communicated with the containing cavity 321 and an outlet end 323, and the sedimentation tube 320 is connected with the slide holder 310. The outlet end 323 is tightly attached to the surface of the slide 330, and a cell precipitation area is defined on the surface of the slide 330 and used for placing a sample. Wherein, the position of the slide 330 in the cell precipitation zone is provided with electric charges for adsorbing cells. Illustratively, the sedimentation tube 320 is cylindrical or truncated cone-shaped, when in use, a gradient separation liquid is first added into the accommodating cavity 321 from the inlet end 322 of the sedimentation tube 320, and a sample is added into the sedimentation tube 320 to enable useful cells in the sample to be settled on the slide 330 from the outlet end 323, the slide 330 is enabled to adsorb the cells by providing an electric charge on the slide 330, so that the cells are prevented from being lost, and the cells are uniformly distributed on the slide 330, thereby facilitating subsequent dyeing treatment, after the sedimentation dyeing is completed, the slide 330 can be detached from the slide holder 310, after the detachment of the slide 330 subjected to the sedimentation dyeing is completed, the next soaking treatment is performed, the slide 330 is usually a glass sheet, and other suitable materials can also be used as a carrier for carrying the sample.

As shown in fig. 1 and fig. 3, as an embodiment, the feeding station 111 includes a plurality of placing locations 1231, the placing locations 1231 are distributed in multiple rows and multiple columns at intervals, and each placing location 1231 is used for accommodating one settling tube assembly 300. The setting of placing position 1231 is used for placing sedimentation tube subassembly 300, and a plurality of settings of placing position 1231 can hold a plurality of sedimentation tube subassemblies 300, improve equipment efficiency.

As shown in fig. 1 and 5, the dyeing mechanism 140 includes a transfer component 141 and a dyeing needle assembly 142 mounted on the transfer component 141, and the transfer component 141 is used for driving the dyeing needle assembly 142 to move so as to add the dyeing liquid to dye the sample in each settling tube assembly 300. When dyeing is performed, the transfer assembly 141 moves the dyeing needle assembly 142 horizontally to above the settling tube assembly 300, then drives the dyeing needle assembly 142 to move vertically, so that the dyeing needle assembly 142 partially enters the settling tube assembly 300, and then adds the dyeing liquid. The transmission mechanism of the transfer assembly 141 may be one of a belt transmission mechanism, a chain transmission mechanism, a screw transmission mechanism, and a rack and pinion transmission mechanism.

As shown in fig. 1 and 5, as one embodiment, the staining needle assembly 142 is provided with a set; a set of transfer assemblies 141 are correspondingly provided. In this embodiment, a single addition of the staining solution to the settling tube assembly 300 is required. The transfer assembly 141 needs to be able to perform three-axis movement.

As shown in fig. 1 and 5, the staining needle assembly 142 includes a first needle 1421 and at least one second needle 1422, the second needle 1422 is used for adding staining solution, and the first needle 1421 is used for sucking up excess waste liquid. The present embodiment is provided with four second needles 1422, the upper end portion and the lower end portion of the second needles 1422 are disposed in a curved manner, and have a certain folding angle, and the lower end portion of the second needles 1422 extends toward the same side with a trend away from the first needle 1421. The second needles 1422 are provided to add different staining solutions and ensure that the needles of different stains do not interfere with each other. In addition, the upper end portion and the lower end portion of the second needle 1422 are bent to avoid the first needle 1421 when the dyeing liquid is added to the dyeing needle assembly 142. After staining is complete, excess fluid is aspirated through the first needle 1421. Further, the dyeing mechanism 140 includes a piping assembly (not shown), a first liquid storage container (not shown), a second liquid storage container (not shown), and a pump (not shown). First stock solution container passes through the pipe assembly with first syringe needle 1421 and is connected, and the second stock solution container passes through the pipe assembly with second syringe needle 1422 and is connected, still is equipped with the pump that is used for providing power on the pipe assembly. The first liquid storage container is used for storing waste liquid absorbed by the first needle 1421; the second liquid storage container is used for storing the dyeing liquid.

As shown in Figs. 1 and 5, as an embodiment, a needle tip position of the first needle 1421 is lower than a needle tip position of the second needle 1422 in a vertical direction. First needle 1421 is vertical setting, and when first needle 1421 absorbed unnecessary waste liquid, because the needle point of first needle 1421 is lower than the needle point of second needle 1422 in the vertical direction, so first needle 1421 contacts the waste liquid earlier, guarantees that first needle 1421 and second needle 1422 can the autonomous working when dyeing needle subassembly 142 uses, can not mutual interference.

As shown in fig. 1 and fig. 3, as an embodiment, a serial number identifier (not shown) is provided outside each placement position 1231 in a one-to-one correspondence. Illustratively, the serial number identifier provided by the present embodiment is a numeric identifier; in automation equipment, mechanical tongs can snatch according to the serial number of digit each time, can guide operating personnel through above serial number sign, puts the material to corresponding position 1231 of placing.

As shown in fig. 1 and 3, as an embodiment, the feeding assembly 120 includes a tray 121 and a sliding assembly 122, and the tray 121 is slidably mounted on the carrying platform 110 through the sliding assembly 122. Illustratively, the feeding assembly 120 provided by the application feeds materials through a pull-out structure, and the principle is similar to a drawer, which is convenient and fast. Limit stops (not shown) are provided at both ends of the sliding assembly 122, and the limit stops are used for preventing the loading assembly 120 from sliding out of the loading platform 110.

As shown in fig. 1 and 4, as an embodiment, the loading assembly 120 further includes a tray 123, a placing groove 1211 for placing the tray 123 is disposed on the tray 121, and a plurality of placing positions 1231 are distributed on the tray 123. The tray 121 is provided with a picking and placing gap at opposite sides thereof for facilitating picking and placing of the tray 123, and the picking and placing gap is communicated with the placing groove 1211. The operator's accessible is got and is put the breach and carry out getting of charging tray 123 and put convenient and fast to get and put the breach and all be equipped with in relative both sides, be convenient for both hands get and put charging tray 123.

As shown in fig. 1 and 6, the sample dispensing mechanism 130 includes a driving unit 131 and a pipette tip 132 attached to the driving unit 131, and the driving unit 131 drives the pipette tip 132 to move. After the loading module 120 performs loading, the driving module 131 drives the liquid suction needle 132 to suck the sample and transfer the sample from the previous process to the sedimentation tube assembly 300 for sedimentation, dyeing or only dyeing.

Example two:

as shown in fig. 7, the present embodiment is different from the first embodiment mainly in the number of the dyeing needle assemblies 142. The concrete expression is as follows:

as shown in fig. 7, the number of the staining needle assemblies 142 is the same as the number of rows of the placement sites 1231, and the spacing between each two adjacent sets of the staining needle assemblies 142 is the same as the spacing between each two adjacent rows of the placement sites 1231. The plurality of placing positions 1231 are distributed in multiple rows and multiple columns along the first horizontal direction and the second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction, in this embodiment, four groups of dyeing needle assemblies 142 and four rows of placing positions 1231 are provided, the transferring assembly 141 drives the dyeing needle assemblies 142 to move along the first horizontal direction, because the number of the dyeing needle assemblies 142 is the same as the number of the rows of the placing positions 1231, the dyeing needle assemblies 142 can complete dyeing operation only along the first horizontal direction, and do not need to move along the second horizontal direction, so the transferring assembly 141 only needs to move along two axes of the first horizontal direction and the vertical direction. And the dyeing needle assemblies 142 can be used for dyeing simultaneously, so that the working efficiency of the equipment is improved.

In addition to the above differences, the structure of the sedimentation dyeing apparatus 100 and the components thereof provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.

Example three:

as shown in fig. 8 and 9, the present embodiment is different from the first and second embodiments mainly in the main difference of the protection body. The concrete expression is as follows:

as shown in fig. 8 and 9, a second object of the present invention is to provide a liquid-based tablet manufacturing apparatus 200, which includes an elution and mixing device 220, a sample centrifugation device 230, the sedimentation and dyeing device 100, and an immersion processing device 240. The elution and blending device 220 is used for eluting and blending the samples in the sample container; the sample centrifugal device 230 is used for centrifuging the eluted and uniformly mixed sample; in the sedimentation dyeing apparatus 100, the sedimentation dyeing apparatus 100 is used for sedimentation and dyeing of the centrifuged sample; the soaking device 240 is used for soaking the stained specimen.

As shown in fig. 9, the liquid-based slide manufacturing apparatus 200 provided by the present application can automatically implement the whole process of slide manufacturing, including but not limited to sample loading, sample elution and mixing, reagent addition, centrifugation, sedimentation and staining, soaking, and slide output 330.

As shown in fig. 9, an embodiment provides a slide 330 for carrying a specimen, pre-loaded in a slide holder 310, with a sedimentation tube 320 clampingly secured to form a sedimentation tube assembly 300 ready for use in a slide making process. The settling tube assembly 300 is a consumable item that needs to be used in the tableting process. After the sedimentation tube assembly 300, pre-loaded with slides 330, is received by the liquid-based sheet making apparatus 200, the liquid-based sheet making apparatus 200 can perform a series of steps for making sheets on its own, and finally output the prepared specimen slides 330 from the liquid-based sheet making apparatus 200.

Fig. 9 shows schematic distribution positions of the functional devices on the rack, and the liquid-based tabletting equipment 200 further includes a loading and unloading device 210, wherein the loading and unloading device 210, the elution and blending device 220, the sample centrifugation device 230, the sedimentation and staining device 100, and the soaking device 240 are all disposed on the rack. The frame is a supporting body of all other components in the liquid-based wafer manufacturing apparatus 200, and may be a plate-like structure, or may be a housing structure or a frame structure including a supporting member having a supporting plate, a supporting rod, and the like. The frame can be provided with supporting legs or wheels to facilitate the installation and the movement of the liquid-based sheet making equipment 200. In the following description, specific components of each functional unit, if not specifically described, may be directly or indirectly fixed to the frame.

As shown in fig. 9, the loading and unloading device 210 is configured to convey a sampled sample to the elution and blending device 220, the elution and blending device 220 is configured to elute and blend the sample to form a sample liquid, transfer the sample liquid into a centrifuge tube to add a gradient separation liquid, perform centrifugal processing by the sample centrifuge device 230, suck a supernatant after centrifugation, add a buffer solution to form a cell mixture, convey the cell mixture into the sedimentation dyeing device 100, add the cell mixture into the sedimentation tube assembly 300 to perform sedimentation dyeing, convey the sedimentation dyed slide 330 into the soaking processing device 240 to perform soaking processing, and finally output the slide 330 after slide production to a slide sealing machine to perform slide sealing.

As shown in fig. 9, and the flow direction of the sample in each functional device is shown by arrows between each functional unit. A user only needs to place a sample on the loading and unloading device 210 and supplement some consumables such as the sedimentation tube assembly 300, and other intermediate steps of the whole slide production, such as the steps of loading of the sedimentation tube assembly 300, sample loading, sample elution and uniform mixing, reagent addition, centrifugal treatment, sedimentation dyeing, soaking treatment, slide output 330, and the like, can be automatically completed by the liquid-based slide production equipment 200, so as to obtain a prepared sample slide 330.

Above-mentioned whole film-making process only needs the user to provide raw materials, consumptive material and tool in the periphery, and all middle-process all need not manual operation's intervention, therefore degree of automation is high, can promote film-making efficiency by a wide margin. Meanwhile, because the intervention of manual operation is reduced, the devices such as the slide 330 and the like do not need to be exposed in the external environment due to the reduction of the times of manual transfer and the like, and the risk that the devices are polluted in the external environment is also reduced, so that the safety and result accuracy of the slide preparation are improved.

In addition to the above differences, the structure of the sedimentation dyeing apparatus 100 and the components thereof provided in this embodiment can be optimally designed with reference to the first embodiment or the second embodiment, and will not be described in detail herein.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. A sedimentation dyeing apparatus characterized by comprising:

the loading platform is provided with a loading station;

the feeding assembly is used for bearing the sedimentation pipe assembly and is placed at the feeding station;

the sample dispensing mechanism is used for dispensing the centrifuged sample into the sedimentation tube assembly at the feeding station;

and the dyeing mechanism is used for dyeing the sample which is positioned at the feeding station and is settled in the settling tube assembly.

2. The sedimentation dyeing apparatus of claim 1, wherein the loading station is further adapted to perform sedimentation treatment on the sample within the sedimentation tube assembly.

3. The sedimentation dyeing apparatus of claim 1 wherein the loading station comprises a plurality of placement stations spaced in rows and columns, each of the placement stations being adapted to receive one of the sedimentation tube assemblies.

4. The sedimentation dyeing apparatus as claimed in claim 3, wherein the dyeing mechanism comprises a transfer component and a dyeing needle assembly mounted on the transfer component, the transfer component is used for driving the dyeing needle assembly to move so as to add dyeing liquid to dye the sample in each sedimentation tube assembly.

5. The sedimentation dyeing apparatus as claimed in claim 4, wherein said dyeing needle assembly is provided in a set; alternatively, the first and second electrodes may be,

the number of the dyeing needle assemblies is the same as the number of the rows of the placing positions, and the distance between every two adjacent groups of the dyeing needle assemblies is the same as the distance between every two adjacent rows of the placing positions.

6. The sedimentation dyeing apparatus as claimed in claim 5, wherein the dyeing needle assembly comprises a first needle and at least one second needle, the second needle is used for adding dyeing liquid, and the first needle is used for sucking excessive waste liquid;

the needle point position of the first needle is lower than that of the second needle in the vertical direction.

7. The sedimentation dyeing apparatus of any one of claims 3 to 6, characterized in that the exterior of each of said placement sites is provided with a one-to-one correspondence serial number identification.

8. The sedimentation dyeing apparatus of any one of claims 3 to 6, wherein the feeding assembly comprises a tray and a sliding assembly, the tray being slidably mounted on the carrying platform by the sliding assembly.

9. The sedimentation dyeing apparatus of claim 8, wherein the feeding assembly further comprises a tray, the tray is provided with a placement groove for placing the tray, and a plurality of placement positions are distributed on the tray; and/or the presence of a gas and/or,

the sample dispensing mechanism comprises a driving assembly and a liquid suction needle arranged on the driving assembly, and the driving assembly is used for driving the liquid suction needle to move.

10. A liquid-based sheet making apparatus, comprising:

the elution and blending device is used for eluting and blending the sample in the sample container;

the sample centrifugal device is used for centrifuging the sample after elution and uniform mixing;

the sedimentation dyeing apparatus as claimed in any one of claims 1 to 9, which is used for sedimentation and dyeing of a centrifuged sample;

and the soaking treatment device is used for soaking the dyed sample.

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