CN218512322U - Automatic sperm analyzer - Google Patents
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- CN218512322U CN218512322U CN202222504783.XU CN202222504783U CN218512322U CN 218512322 U CN218512322 U CN 218512322U CN 202222504783 U CN202222504783 U CN 202222504783U CN 218512322 U CN218512322 U CN 218512322U
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Abstract
The utility model relates to a procreation auxiliary technology field discloses an automatic sperm analysis appearance, a serial communication port, include: an imaging identification component; the automatic moving assembly comprises an object stage and a three-dimensional moving device, the object stage is used for fixing a slide glass loaded with sperms, the object stage is fixed at one end, facing the imaging identification assembly, of the three-dimensional moving device and extends to the position below the microscopic camera device, the three-dimensional moving device comprises a driving portion and a guide portion, the guide portion guides the three-dimensional moving device to move in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, and the driving portion is used for providing power for the guide portion. The focusing of the microscopic camera device is carried out through the independent three-dimensional moving device, the microscope does not need to be changed on the Z axis, the service life of the Z axis of the microscope is guaranteed, the maintenance cost is reduced, and high-precision three-dimensional motion can be realized to achieve a clearer image shooting effect.
Description
Technical Field
The utility model relates to an auxiliary reproduction technical field especially relates to an automatic sperm analysis appearance.
Background
With the increasing of infertility cases, it is necessary to perform semen analysis by male reproductive capacity examination, and a sperm quality analyzer is generally used in the process of evaluating reproductive capacity of reproductive-age male, so as to provide reference for scientific preparation of reproductive-age couples by performing semen conventional analysis and sperm morphological analysis.
In the traditional technology, the conventional semen analysis adopts a manual technical mode, the operation is complicated, the human factors are uncontrollable, and the problems of low detection efficiency, accuracy deviation, high inspection cost and the like exist. The prior art includes automated sperm quality analyzers that can perform automated image scanning and acquisition, analysis of sperm samples for morphology, sperm DNA fragmentation, and sperm concentration and motility analysis, among others. The sperm morphological analysis is to automatically analyze the indexes of the sperm, such as the area, the perimeter, the width, the length, the angle, the normal sperm morphological ratio, the teratospermia index TZI, the teratospermia index SD and the like by analyzing the picture. The analysis function of the sperm DNA fragments is to automatically analyze the indexes of the sperm DNA fragment rate, the head area, the halo area, the unilateral halo thickness, the halo and the like by analyzing the picture. The sperm concentration and vitality analysis is to automatically analyze the number of sperms contained in each milliliter of semen and the percentage of sperms in the semen which move forward by analyzing the picture.
However, the existing automatic sperm analyzers basically adopt a mode of modifying a microscope to perform three-axis linkage, and a Z-axis adjusting mechanism of the microscope needs to move frequently in the focusing process, so that the embodiment can reduce the service life of the mechanism of a Z-axis focusing part of the microscope, and needs to replace the focusing structure of the microscope frequently, thereby causing overhigh maintenance cost of the automatic sperm analyzer; on the other hand, the problem of insufficient focusing precision can also be encountered by transforming the original Z shaft assembly of the microscope.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides an automatic sperm analysis appearance carries out the focusing of micro-camera device through solitary three-dimensional mobile device, need not to carry out Z axle change to the microscope, has guaranteed the life-span of microscopical Z axle, has reduced cost of maintenance, can also realize the three-dimensional motion of higher accuracy to reach more clear image shooting effect.
In order to achieve the above object, the present invention provides an automatic sperm analyzer, comprising:
the imaging recognition component comprises a microscopic camera device and a lens component, and the lens component is arranged right below the microscopic camera device;
the automatic moving assembly comprises an object stage and a three-dimensional moving device, the object stage is used for fixing a slide glass loaded with sperms, the object stage is fixed at one end of the three-dimensional moving device facing the imaging recognition assembly and extends to the lower part of the microscopic camera device, the three-dimensional moving device comprises a driving part and a guide part, the guide part guides the three-dimensional moving device to move in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, and the driving part is used for providing power for the guide part;
the controller comprises a control module and an analysis module, the control module is electrically connected to the automatic moving assembly, and the analysis module is electrically connected to the microscopic camera device to analyze the picture taken by the microscopic camera device.
The embodiment of the utility model provides an automatic sperm analyzer compares with prior art, and its beneficial effect lies in: the imaging identification assembly comprises a microscopic camera device and a lens assembly and is used for shooting and selecting sperm images, the automatic moving assembly comprises an object stage and a three-dimensional moving device for driving the object stage to move, and the three-dimensional moving device can move in the X-axis direction, the Y-axis direction and the Z-axis direction to drive a slide glass on the object stage to align with the microscopic camera device and focus relative to the microscopic camera device; the controller comprises a control module for controlling the automatic moving assembly and an analysis module connected with the micro-camera device. When the device works, the controller sends and controls the three-dimensional moving device to send the object stage carrying the glass slide to the position under the microscopic camera device, automatic focusing is carried out according to the image of the microscopic camera device, and after focusing is finished, the microscopic camera device transmits the shot clear image to the analysis module to carry out analysis on the shape of the sub-sample, the DNA fragments of the sperms, the concentration and the activity of the sperms and the like. This application carries out the focusing of micro-camera device through solitary three-dimensional mobile device, need not to carry out the Z axle to the microscope and changes, has guaranteed the life-span of microscopical Z axle, has reduced cost of maintenance, can also realize the three-dimensional motion of higher accuracy to reach more clear image shooting effect.
The utility model discloses automatic sperm analyzer, the guide part includes the first guide rail that distributes along X axle direction, the second guide rail that distributes along Y axle direction and the third guide rail that distributes along Z axle direction.
The utility model discloses automatic sperm analyzer, first guide rail level set up in the bottom of automatically move subassembly, sliding connection has first slider in the first guide rail, be provided with on the first slider the second guide rail, sliding connection has the second slider in the second guide rail, be provided with on the second slider the third guide rail, objective table sliding connection in the third guide rail.
The utility model discloses automatic sperm analyzer, sliding connection has the orientation in the third guide rail the cantilever that the formation of image discernment subassembly extends, the end of cantilever is fixed with the objective table.
The utility model discloses automatic sperm analyzer, the drive division includes the motor module, the shell of motor module with adopt rigid connection between the drive division.
The utility model discloses automatic sperm analyzer, the camera lens subassembly includes the camera lens converter and is fixed in a plurality of objective of camera lens converter, still be provided with the condensing lens under the objective table, the outside of condensing lens is fixed with the light filter erector, the below of light filter erector is provided with optical collector and light source seat.
The utility model discloses automatic sperm analyzer, analysis module includes imaging identification system and image processing system, imaging identification system integrate in order to select the picture among the spacing camera device among the micro-camera device, image processing system is used for carrying out the analysis to the sperm image in the picture.
The utility model discloses automatic sperm analyzer, be provided with on the objective table and be used for heating the heating device of slide glass, the heating device electricity connect in the controller.
The utility model discloses automatic sperm analysis appearance still includes the shock attenuation platform, the shock attenuation platform set up in the bottom of automatic movement subassembly, the shock attenuation platform adopts shock-absorbing material to make.
The utility model discloses automatic sperm analyzer, the shock attenuation platform includes bottom plate and shock pad, the formation of image discernment subassembly with the automatic movement subassembly all is fixed in on the bottom plate, the shock pad set up in the below of bottom plate, the area of shock pad is 3000mm 2 －6000mm 2
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic diagram of an automated sperm analyzer according to an embodiment of the present invention;
in the figure, 1, a microscopic imaging device; 2. a lens assembly; 3. an object stage; 4. a first guide rail; 5. a second guide rail; 6. a third guide rail; 7. a motor module; 8. a cantilever; 9. a base plate; 10. a shock-absorbing pad.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
As shown in fig. 1, an automatic sperm analyzer in accordance with a preferred embodiment of the present invention includes an imaging recognition assembly, an automatic movement assembly, and a controller.
The imaging recognition device is formed by reforming a microscope and comprises a microscope base, a microscopic camera device 1 and a lens assembly 2, wherein the microscopic camera device 1 and the lens assembly 2 are used for shooting and selecting sperm images. The microscopic camera device 1 is fixed on a microscope base, the lens component 2 is arranged right below the microscopic camera device 1, and the lens component 2 clearly displays a glass slide carrying sperms under a camera of the microscopic camera device 1 so as to shoot a stable and clear picture for subsequent analysis;
the automatic moving assembly comprises an object stage 3 and a three-dimensional moving device, wherein the object stage 3 is used for fixing a slide loaded with sperms, and the object stage 3 is fixed on the three-dimensional moving device and extends to the lower part of the micro-photographic device 1 towards the imaging identification assembly. The three-dimensional moving device comprises a driving part and a guiding part, the guiding part guides the three-dimensional moving device to move in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, and the slide glass on the objective table 3 is driven to align with the microscopic camera device 1 and focus relative to the microscopic camera device 1; the driving part is used for providing power for the guiding part, and the guiding part is driven to move in the X-axis direction, the Y-axis direction and the Z-axis direction.
The controller comprises a control module and an analysis module, the control module is electrically connected with the automatic moving assembly, and the analysis module is electrically connected with the micro-camera device 1 to analyze the pictures shot by the micro-camera device 1. When the device works, the controller sends and controls the three-dimensional moving device to send the object stage 3 carrying the glass slide to the position right below the microscopic camera device 1, automatic focusing is carried out according to the image of the microscopic camera device 1, and after focusing is finished, the microscopic camera device 1 transmits the shot clear image to the analysis module to carry out analysis on the sub-sample, such as morphology, sperm DNA fragments, sperm concentration and vitality. This application carries out the focusing of micro-camera device 1 through solitary three-dimensional mobile device, need not to carry out the Z axle to the microscope and changes, has guaranteed the life-span of microscopical Z axle, has reduced cost of maintenance, can also realize the three-dimensional motion of higher accuracy to reach more clear image shooting effect.
In some embodiments of the present invention, the guide portion includes the first guide rail 4 distributed along the X-axis direction, the second guide rail 5 distributed along the Y-axis direction, and the third guide rail 6 distributed along the Z-axis direction, and the guide rail in the three directions realizes the movement of the guide portion in the X-axis direction, the Y-axis direction, and the Z-axis direction, so that the slide glass is aligned with the micro-camera 1 and the focusing of the micro-camera 1 is facilitated.
Further, the first guide rail 4 is horizontally arranged at the bottom of the automatic moving assembly, a first sliding block is connected in the first guide rail 4 in a sliding manner, and the first sliding block can freely slide along the first sliding rail in the horizontal direction; a second guide rail 5 is arranged on the first sliding block, a second sliding block is connected in the second guide rail 5 in a sliding manner, and the second sliding block can freely slide along a second sliding rail in the horizontal direction; the first and second slide rails are arranged to move the stage 3 in a horizontal direction so that a slide carried on the stage 3 can be aligned with the camera of the device 1.
The second sliding block is provided with a third guide rail 6, the object stage 3 is connected to the third guide rail 6 in a sliding mode, and the object stage 3 can slide in the vertical direction along the third guide rail 6 so as to perform focusing in the process of sperm shooting. Preferably, a cantilever 8 extending towards the imaging recognition assembly is slidably connected in the third guide rail 6, interference between the three-dimensional moving device and the microscope can be avoided by using the cantilever 8, and the objective table 3 is fixed on one end of the cantilever 8 far away from the three-dimensional moving device.
In some embodiments of the present invention, the driving portion includes the motor module 7, the motor module 7 is rigidly connected to the guide rail, and the combination of the motor module 7 and the guide rail can improve the rigidity and stability of the guide rail and the slider, so that the guide rail and the slider do not cause large shake in the moving process, and the shape of the sperm can be better observed under the high power lens; cantilever 8 carries out rigid connection with motor module 7, is favorable to strengthening the rigid design of cantilever 8 self, provides more stable structure for cantilever 8 is more stable in the motion process, and long-term the use can not warp yet.
In some embodiments of the present invention, the lens assembly 2 includes a lens converter and a plurality of objective lenses fixed to the lens converter, and the lens converter is used for adjusting different objective lenses to perform different focal lengths. A condenser lens is arranged under the object stage 3, a filter mounting device is fixed on the outer side of the condenser lens, a light collector and a light source seat are arranged under the filter mounting device, the light source seat and the light collector emit light sources, and the condenser lens converges the light sources on the object stage 3 to ensure that the glass slide is irradiated by sufficient light sources.
In some embodiments of the present invention, the analysis module includes an imaging recognition system and an image processing system, the imaging recognition system is integrated in the micro-camera device 1 to select the photos in the limiting camera device, the motor-driven cantilever 8 moves at a uniform speed near the estimated focal plane, the micro-camera device 1 continuously takes the photos of the glass slide through the high-speed camera, the imaging recognition system reads the real-time position at a fixed frequency, the position corresponding to the image is established, the definition evaluation value is calculated for all the cached images, and the optimal image corresponding position is found to realize focusing; the image processing system is used for analyzing the sperm image in the picture, and further processing and analyzing the image through software. Uploading the images to a host computer, carrying out depth model learning on massive images, automatically splicing the images obtained by an analysis instrument into complete images for analysis and identification, carrying out color channel conversion, and making measurement equal; the sperm morphology classification system for deep learning trains a sperm morphology analysis system by images, so that the AI model completes automatic sperm morphology identification and analysis.
The utility model discloses a some embodiments are provided with the heating device who is used for heating the slide glass on the objective table 3, and heating device includes heating glass, through cover the ITO rete on heating glass, realizes the stable homogeneous of hot plate, has guaranteed the activity of sperm on the slide glass at the shooting in-process. The heating device is also integrated with a temperature sensor, and the heating device is electrically connected with the controller, so that the controller can adjust the temperature of the slide by transmitting the data of the temperature sensor to the controller.
In some embodiments of the present invention, the carrier is disposed on the stage 3 to carry a plurality of slides, the carrier includes a placing area of the slides, a frame is disposed around the outer side of the placing area, and one side of the frame is provided with a fixing member to fix the slides. The fixing piece comprises a sliding block and an elastic piece, one end of the glass slide is fixed in the sliding block and the elastic piece, and the upper portion of the sliding block is further provided with a cover plate so as to fix the glass slide in the placement area, so that the glass slide cannot move in the observation process.
The utility model discloses an in some embodiments, still include the shock attenuation platform, the shock attenuation platform sets up in the bottom of automatically move subassembly, and the shock attenuation platform adopts shock-absorbing material to make, and the shock attenuation platform carries out the shock attenuation to automatic sperm analyzer, and it is less that the messenger asks focusing and analysis under the high power mirror to receive vibrations to influence. Specifically, the cushion table includes bottom plate and shock pad, and formation of image discernment subassembly and automatic moving subassembly all are fixed in on the bottom plate, the shock pad set up in the below of bottom plate.
Furthermore, the bottom plate adopts stainless steel as a material to increase the rigidity and the weight of the bottom plate, the influence of vibration on the sperm analyzer can be reduced to a certain extent, and then the vibration of most of frequencies is isolated by using the damping material as a damping pad of the whole machine so as to achieve a good damping effect. When the damping material is selected, the deformation of different materials after bearing the weight of the whole machine is obtained through the weight of the whole machine and the area of the whole damping pad, and finally, the appropriate damping material is selected by matching the deformation curve and the natural frequency curve of each material.
The deformation variable of the general selectable shock absorption material is 1mm-3mm, the weight of the automatic sperm analyzer is 30-100KG, and the area of the shock absorption pad bearing the weight is 3000mm 2 －6000mm 2 . Preferably, when the deformation amount of the vibration damper is 1.5mm-2mm, the weight of the automatic sperm analyzer is 60KG, and the area of the optimal vibration damper is 5024mm 2 。
The utility model discloses a some embodiments controller adopts the PC computer as the host computer to control microscope and MCU host computer, issue the order through the PC computer and give MCU, thereby the control motor opens and stops the first guide rail 4 of driving motor control, 5 third guide rails 6 of second guide rail and remove, is provided with photoelectric sensor in the guide part, and the controller passes through photoelectric switch and carries on spacingly to the motor motion, thereby prevents that the motor motion from exceeding spacingly and hitting equipment. MCU also can control heating glass simultaneously and heat, and temperature sensor among the heating device adopts PT100, thereby MCU feeds back the temperature through PT100 and reaches accurate accuse temperature. The PC host acquires the imaging of the microscope through USB communication, analyzes at the PC end, and calculates the sperm quality, concentration, vitality, movement track and the like of the sample.
As shown in fig. 1, the working process of the utility model is as follows: and performing initial self-checking, controlling the motor to drive the first guide rail 4, the second guide rail 5 and the third guide rail 6 to move to the initial positions through the controller, and selecting a mode at the moment:
1. a sperm morphology analysis mode, a 2 sperm DNA analysis mode, and a 3 sperm concentration and activity detection analysis mode;
1. when a sperm morphology analysis mode and a sperm DNA analysis mode are selected, single-chip or multi-chip detection can be selected, when the first guide rail 4 and the second guide rail 5 move to relative positions, the third guide rail 6 starts automatic focusing, sperm on a glass slide are photographed and analyzed, the number of visual fields is +1, whether the moving visual field is equal to 10/20/30/60 or not is judged, when the moving visual field is equal to 10/20/30/60, the third guide rail 6 carries out automatic focusing, after photographing and analyzing are carried out by the microscopic camera device 1, the microscope is moved to the next visual field, the number of visual fields is +1, and judgment is carried out again; when the judgment is the same, executing the previous step of operation; when the number of the sperms is not equal to 200, further judging whether the number of the sperms is more than or equal to 50 or whether the moving visual field is equal to 50, if so, outputting a result, and withdrawing the sample; if the judgment is different, the microscope camera 1 moves to the next field, the microscope camera continues to take pictures and analyze, the number of the fields is +1, and the judgment is repeated.
2. When the selection mode is sperm concentration and activity detection, selecting a single-chip, multi-chip or Malker mode, judging whether temperature control is started, if so, performing temperature detection, judging whether the temperature reaches a target value, and if so, performing operation; if the target value is not reached, heating control is carried out, preheating is carried out according to the data fed back by the prompt, and then operation is carried out. At the moment, the first guide rail 4 and the second guide rail 5 are operated to corresponding positions, the third guide rail 6 starts automatic focusing, the microscopic camera device 1 performs photographing and analysis, the number of fields of view is +1, whether the moving field of view is equal to 10 or not is judged, when the moving field of view is equal to 10, the third guide rail 6 performs automatic focusing, after photographing and analysis are performed, the microscope is moved to the next field of view, the number of fields of view is +1, and judgment is performed again; when the judgment is the same, executing the previous step of operation; when the judgment is not equal, further judging whether the number of the sperms is more than or equal to 200 or whether the moving visual field is equal to 50, if so, outputting the result, and withdrawing the sample; and if the judgment is different, moving to the next field, photographing and analyzing, wherein the number of the fields is +1, and repeating the judgment. In this mode, the focusing method is: heating the glass, after the temperature is constant, moving the position of the consumable to the position No. 1, focusing by controlling the Z axis, enabling the motor to move at a constant speed near an estimated focal plane (with the position No. 1 as a zero point) and continuously shoot by a high-speed camera, reading the real-time position at a fixed frequency, establishing the position corresponding to the position and the picture, calculating a definition evaluation value for all cached images, finding out the position corresponding to the optimal picture, and realizing focusing. Adopt above-mentioned mode, will remove the consumptive material to No. 2 positions, remove No. 3 positions and No. 4 positions, take the optimal image and the optimal focus of 4 positions, estimate out the plane degree condition of whole objective table 3 to adjust through holding screw, thereby with whole plane leveling, the sperm image quality that acquires this moment is higher.
To sum up, the embodiment of the utility model provides an automatic sperm analyzer, it carries out the focusing of micro-camera device 1 through solitary three-dimensional mobile device, need not to carry out the Z axle to the microscope and changes, has guaranteed the life-span of microscopical Z axle, has reduced cost of maintenance, can also realize the three-dimensional motion of higher accuracy to reach more clear image shooting effect.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. An automated sperm analyzer, comprising:
the imaging recognition device comprises a microscopic camera device and a lens assembly, and the lens assembly is arranged right below the microscopic camera device;
the automatic moving assembly comprises an object stage and a three-dimensional moving device, the object stage is used for fixing a slide glass loaded with sperms, the object stage is fixed at one end of the three-dimensional moving device facing the imaging recognition assembly and extends to the lower part of the microscopic camera device, the three-dimensional moving device comprises a driving part and a guide part, the guide part guides the three-dimensional moving device to move in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, and the driving part is used for providing power for the guide part;
the controller comprises a control module and an analysis module, the control module is electrically connected with the automatic moving assembly, and the analysis module is electrically connected with the microscopic camera device to analyze pictures taken by the microscopic camera device.
2. The automated sperm analyzer of claim 1, wherein: the guide part comprises a first guide rail distributed along the X-axis direction, a second guide rail distributed along the Y-axis direction and a third guide rail distributed along the Z-axis direction.
3. The automated sperm analyzer of claim 2, wherein: the first guide rail is horizontally arranged at the bottom of the automatic moving assembly, a first sliding block is connected in the first guide rail in a sliding mode, the second guide rail is arranged on the first sliding block, a second sliding block is connected in the second guide rail in a sliding mode, the third guide rail is arranged on the second sliding block, and the objective table is connected in the third guide rail in a sliding mode.
4. The automated sperm analyzer of claim 3, wherein: and a cantilever extending towards the imaging identification component is connected in the third guide rail in a sliding manner, and the end of the cantilever is fixed with the objective table.
5. The automated sperm analyzer of claim 1, wherein: the drive part comprises a motor module, and a shell of the motor module is rigidly connected with the drive part.
6. The automated sperm analyzer of claim 1, wherein: the lens assembly comprises a lens converter and a plurality of objective lenses fixed on the lens converter, a condenser lens is further arranged right below the objective table, an optical filter installer is fixed on the outer side of the condenser lens, and an optical collector and a light source seat are arranged below the optical filter installer.
7. The automated sperm analyzer of claim 1, wherein: the analysis module comprises an imaging recognition system and an image processing system, the imaging recognition system is integrated in the microscopic camera device to select a picture in the limiting camera device, and the image processing system is used for analyzing a sperm image in the picture.
8. The automated sperm analyzer of claim 1, wherein: the object stage is provided with a heating device for heating the glass slide, and the heating device is electrically connected with the controller.
9. The automated sperm analyzer of claim 1, wherein: still include the shock attenuation platform, the shock attenuation platform set up in the bottom of automatic movement subassembly, the shock attenuation platform adopts shock-absorbing material to make, shock-absorbing material passes through sperm analyzer's weight and base pad area and selects.
10. The automated sperm analyzer of claim 9, wherein: the shock attenuation platform includes bottom plate and shock pad, the formation of image discernment subassembly with the automatically move subassembly is all fixed in on the bottom plate, the shock pad set up in the below of bottom plate, the area of shock pad is 3000mm 2 －6000mm 2 。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222504783.XU CN218512322U (en) | 2022-09-20 | 2022-09-20 | Automatic sperm analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222504783.XU CN218512322U (en) | 2022-09-20 | 2022-09-20 | Automatic sperm analyzer |
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| CN218512322U true CN218512322U (en) | 2023-02-21 |
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