CN210923208U

CN210923208U - Dewatering device for biological tissue slice production

Info

Publication number: CN210923208U
Application number: CN201921559576.6U
Authority: CN
Inventors: 汪琛
Original assignee: Yangtze University
Current assignee: Yangtze University
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-07-03
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a dehydration device for preparing a biological tissue slice, which comprises an operation cabinet, a traction component, a dehydration device and a dehydration tank component, wherein the operation cabinet is provided with a closed accommodating cavity; the traction assembly comprises a lifting platform, a hydraulic cylinder, a hydraulic pump and a motor, wherein the hydraulic cylinder is vertically arranged and is rotationally connected with the operation cabinet; the dehydration device comprises a dehydration basket and a connecting rod, one end of the connecting rod is connected with the dehydration basket, the other end of the connecting rod is fixedly connected with the lifting platform, and the dehydration basket forms an annular motion track in the process of rotating along with the lifting platform; the dewatering tank assembly comprises a plurality of dewatering tanks arranged below the annular motion track. The utility model has the advantages that: through arranging the dehydration tank assembly and the dehydration device in a sealed operation cabinet, the content of the dehydrating agent volatilized into a laboratory is reduced, and meanwhile, the dehydration basket is controlled to be transferred between the dehydration tanks by adopting the traction assembly, so that the dehydrating agent is prevented from being sucked by experimenters in the process of manually transferring the dehydration basket.

Description

Dewatering device for biological tissue slice production

Technical Field

The utility model belongs to the technical field of biological assay device technique and specifically relates to a dewatering device of biological tissue film-making is related to.

Background

In the field of histology and cytology, methods of section making and microscopy are often used to observe tissues, cell morphology and pathological changes thereof, and paraffin section making is the most widely used method at present. The preparation of the paraffin section comprises flushing, dehydration, paraffin dipping, embedding, sectioning and dyeing, and the quality of a tissue dehydration result directly influences subsequent experiments. The biological tissue is dehydrated by sequentially soaking the biological tissue with dehydrating solutions with different concentrations.

Part of dehydrating agents (such as acetone) are volatile substances harmful to human bodies, and the dehydrating agents can volatilize into a laboratory without an isolating device in the prior dehydrating device, so that the health of workers in the laboratory is influenced; meanwhile, the existing dehydration device needs to manually transfer the dehydration basket from one dehydration cylinder to another dehydration cylinder, and in the process of transferring the dehydration basket, experimenters can inevitably suck the dehydrating agent harmful to the body, so that the health of the experimenters is threatened.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a dehydration engine for the automatic transfer of dehydration baskets and for the production of slices of biological tissue provided with an isolation device.

A dehydration apparatus for preparing a slice of biological tissue, comprising: an operation cabinet, a traction assembly, a dewatering device and a dewatering tank assembly,

the operation cabinet is provided with a closed accommodating cavity;

the traction assembly comprises a lifting platform, a hydraulic cylinder, a hydraulic pump and a motor, the lifting platform is horizontally arranged and located in the accommodating cavity, the hydraulic cylinder is vertically arranged and rotationally connected with the operation cabinet, the hydraulic cylinder is fixedly connected with the lifting platform, the hydraulic cylinder is used for driving the lifting platform to move up and down, the hydraulic pump is connected with the hydraulic cylinder, the hydraulic pump is used for providing a power source for the hydraulic cylinder, the motor is connected with the hydraulic cylinder, and the motor is used for driving the hydraulic cylinder to rotate;

the dehydration device comprises a dehydration basket and a connecting rod, one end of the connecting rod is connected with the dehydration basket, the other end of the connecting rod is fixedly connected with the lifting platform, and the dehydration basket forms an annular motion track in the process of rotating along with the lifting platform;

the dewatering tank assembly comprises a plurality of dewatering tanks arranged below the annular motion track.

Compared with the prior art, the utility model provides a technical scheme's beneficial effect is: through arranging the dehydration tank assembly and the dehydration device in a sealed operation cabinet, the content of the dehydrating agent volatilized into a laboratory is reduced, and meanwhile, the dehydration basket is controlled to be transferred between the dehydration tanks by adopting the traction assembly, so that the dehydrating agent is prevented from being sucked by experimenters in the process of manually transferring the dehydration basket.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a dehydration apparatus for preparing a biological tissue slice according to the present invention;

FIG. 2 is a top view of the lift table and hydraulic cylinder of FIG. 1;

FIG. 3 is a schematic view of the arrangement of the dewatering tanks in FIG. 1 on the lifting platform;

FIG. 4 is a perspective view of the dehydration engine of FIG. 1;

in the figure: 1-operation cabinet, 2-traction assembly, 3-dehydration device, 4-dehydration tank assembly, 11-bottom plate, 12-top plate, 21-lifting table, 22-hydraulic cylinder, 23-motor, 31-dehydration basket, 311-clamping member, 32-connecting rod, 321-upper connecting rod, 322-lower connecting rod, 41-first dehydration tank, 42-second dehydration tank and 43-third dehydration tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a dehydration device for preparing a biological tissue slice, which comprises an operation cabinet 1, a traction assembly 2, a dehydration device 3 and a dehydration tank assembly 4, wherein the operation cabinet 1 has a closed accommodating cavity. Traction assembly 2 includes elevating platform 21, pneumatic cylinder 22, hydraulic pump (not shown in the figure) and motor 23, elevating platform 21 level sets up and is located hold the intracavity, the vertical setting of pneumatic cylinder 22 and with operation cabinet 1 rotates and connects, pneumatic cylinder 22 with elevating platform 21 fixed connection, pneumatic cylinder 22 is used for driving elevating platform 21 up-and-down motion, the hydraulic pump with pneumatic cylinder 22 is connected, the hydraulic pump is used for doing pneumatic cylinder 22 provides the power supply, motor 23 with pneumatic cylinder 22 is connected, motor 23 is used for driving pneumatic cylinder 22 rotates.

Referring to fig. 1, the dewatering device 3 includes a dewatering basket 31 and a connecting rod 32, one end of the connecting rod 32 is connected to the dewatering basket 31, the other end of the connecting rod 32 is fixedly connected to the lifting platform 21, and the dewatering basket 31 forms an annular motion track in the process of rotating along with the lifting platform 21. The dewatering tank assembly 4 comprises a plurality of dewatering tanks arranged below the circular motion track. The quantity of dewatering tank sets for as required, and in this embodiment, the dehydration process includes the cubic dehydration, and the concentration of the dehydration liquid that the cubic dehydration needs is different, and the quantity of dewatering tank is three, is first dewatering tank 41, second dewatering tank 42 and third dewatering tank 43 respectively, first dewatering tank 41 is used for the required dehydration liquid of splendid attire first time dehydration, second dewatering tank 42 is used for the required dehydration liquid of splendid attire second time dehydration, third dewatering tank 43 is used for the required dehydration liquid of splendid attire third time dehydration.

The utility model provides a dewatering device of biological tissue film-making's working process is: (1) respectively adding the prepared dehydration liquids with different concentrations into corresponding dehydration tanks; (2) placing the biological tissue to be dehydrated into a dehydration basket 31 with forceps; (3) in the initial state, the dewatering basket 31 is positioned above the first dewatering tank 41, and the hydraulic cylinder 22 is controlled to lower the lifting platform 21 until the dewatering basket 31 is completely immersed in the dewatering liquid in the first dewatering tank 41; (4) after the first set time, controlling the hydraulic cylinder 22 to lift the lifting platform 21 until the dewatering basket 31 returns to the upper part of the first dewatering tank 41; (5) controlling the motor 23 to rotate the elevating platform 21 until the dewatering basket 31 is positioned above the second dewatering tank 42; (6) controlling the hydraulic cylinder 22 to lower the lifting platform 21 until the dewatering basket 31 is completely immersed in the dewatering liquid in the second dewatering tank 42, (7) after a second set time, controlling the hydraulic cylinder 22 to raise the lifting platform 21 until the dewatering basket 31 returns to the position above the second dewatering tank 42, and (8) soaking the dewatering basket 31 in the third dewatering tank 43 for a third set time according to the same method.

Further, referring to fig. 1, the operation cabinet 1 is a cuboid shape enclosed by a bottom plate 11, a top plate 12 and four side plates, wherein the four side plates include a first side plate, and the first side plate is openable to facilitate placing each dewatering tank. In this embodiment, in order to observe the situation inside the operation cabinet 1, the four side plates are made of glass, and the bottom plate 11 and the top plate 12 are made of stainless steel.

Preferably, referring to fig. 1, the top plate 12 is provided with a mounting hole (not shown in the figure) communicated with the accommodating cavity; the cylinder body of the hydraulic cylinder 22 is cylindrical, the cylinder body penetrates through the mounting hole, the motor 23 is connected with the cylinder body, and the motor 23 is used for driving the cylinder body to rotate; an output rod of the hydraulic cylinder 22 extends vertically downwards and is fixedly connected with the lifting platform 21.

Preferably, referring to fig. 4, the connecting rod 32 includes an upper connecting rod 321 and a lower connecting rod 322, the upper connecting rod 321 is fixedly connected to the lifting platform 21, a hanging ring is fixed at the lower end of the upper connecting rod 321, a hook for hanging on the hanging ring is fixed at the upper end of the lower connecting rod 322, and the lower end of the lower connecting rod 322 is fixedly connected to the dewatering basket 31. With this structure, the dewatering basket 31 can be easily taken down and hung up, and the operation is convenient.

Preferably, referring to fig. 4, the dewatering basket 31 is surrounded by a wire mesh, so that the biological tissue can be soaked and prevented from being separated from the dewatering basket 31. The dehydration basket 31 comprises a dehydration basket body and a top cover, the dehydration basket body is provided with an upward opening, one end of the top cover is hinged to the edge of the opening, and the other end of the top cover is clamped with the dehydration basket body through a clamping piece 311. This facilitates the loading of biological tissue into dewatering basket 31. The dehydration basket body is fixedly connected with the lower end of the lower connecting rod 322.

Preferably, referring to fig. 3, the first dewatering tank 41, the second dewatering tank 42 and the third dewatering tank 43 are annularly disposed on the bottom plate 11 at equal intervals.

In order to better understand the present invention, the following will describe the working process of the dehydration device for preparing a biological tissue slice according to the present invention in detail with reference to fig. 1 to 4: (1) respectively adding the prepared dehydration liquids with different concentrations into corresponding dehydration tanks; (2) taking out the dehydration basket 31, putting the biological tissue to be dehydrated into the dehydration basket 31 by using forceps, and hanging the dehydration basket 31 on the upper connecting rod 321; (3) in the initial state, the dewatering basket 31 is positioned above the first dewatering tank 41, and the hydraulic cylinder 22 is controlled to lower the lifting platform 21 until the dewatering basket 31 is completely immersed in the dewatering liquid in the first dewatering tank 41; (4) after the first set time, controlling the hydraulic cylinder 22 to lift the lifting platform 21 until the dewatering basket 31 returns to the upper part of the first dewatering tank 41; (5) controlling the motor 23 to rotate the elevating platform 21 until the dewatering basket 31 is positioned above the second dewatering tank 42; (6) controlling the hydraulic cylinder 22 to lower the lifting platform 21 until the dewatering basket 31 is completely submerged in the dewatering liquid in the second dewatering tank 42; (7) after the second set time, controlling the hydraulic cylinder 22 to lift the lifting platform 21 until the dewatering basket 31 returns to the position above the second dewatering tank 42; (8) the dewatering basket 31 is soaked in the third dewatering tank 43 for a third set time in the same manner.

In conclusion, this device has reduced the content of the dewatering agent that volatilizees in the laboratory through arranging dehydration tank subassembly 4 and dewatering device 3 in sealed operation cabinet 1, adopts the transfer of traction assembly 2 control dehydration basket 31 between each dehydration tank simultaneously, has avoided the in-process experimenter of manual transfer dehydration basket 31 to inhale the dewatering agent.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A dehydration apparatus for preparing a slice of biological tissue, comprising: an operation cabinet, a traction assembly, a dewatering device and a dewatering tank assembly,

the operation cabinet is provided with a closed accommodating cavity;

2. The apparatus of claim 1, wherein the cabinet is a rectangular parallelepiped comprising a bottom panel, a top panel, and four side panels, the four side panels comprising a first side panel, the first side panel being openable.

3. A dehydration apparatus for preparing a sheet of biological tissue as defined in claim 2 wherein said top plate is formed with a mounting hole communicating with said receiving cavity;

the cylinder body of the hydraulic cylinder is cylindrical, the cylinder body penetrates through the mounting hole, the motor is connected with the cylinder body, and the motor is used for driving the cylinder body to rotate;

an output rod of the hydraulic cylinder vertically extends downwards, and the output rod is fixedly connected with the lifting platform.

4. The dehydration device for preparing a slice of biological tissue as set forth in claim 1, wherein said connecting rod comprises an upper connecting rod and a lower connecting rod, said upper connecting rod is fixedly connected with said lifting table, a hanging ring is fixed to a lower end of said upper connecting rod, a hook for hanging on said hanging ring is fixed to an upper end of said lower connecting rod, and a lower end of said lower connecting rod is fixedly connected with said dehydration basket.

5. The dehydration device for preparing a biological tissue slice according to claim 1, wherein the dehydration basket is surrounded by a wire mesh, the dehydration basket comprises a dehydration basket body and a top cover, the dehydration basket body is provided with an upward opening, one end of the top cover is hinged with the edge of the opening, and the other end of the top cover is clamped with the dehydration basket body through a clamping piece.

6. The dehydration apparatus for producing a sheet of biological tissue as recited in claim 2, wherein said dehydration tank assembly comprises a first dehydration tank, a second dehydration tank and a third dehydration tank disposed below said endless movement track, said first dehydration tank, said second dehydration tank and said third dehydration tank being placed on said bottom plate in an endless shape at equal intervals.