CN211905053U - High-precision double-channel glass slide automatic sample injection oil dripping device - Google Patents
High-precision double-channel glass slide automatic sample injection oil dripping device Download PDFInfo
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- CN211905053U CN211905053U CN201922283366.5U CN201922283366U CN211905053U CN 211905053 U CN211905053 U CN 211905053U CN 201922283366 U CN201922283366 U CN 201922283366U CN 211905053 U CN211905053 U CN 211905053U
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Abstract
The utility model discloses a high accuracy binary channels slide autoinjection oil drip device, through the gripper centre gripping slide, gear step motor with the gripper is connected, step screw motor with gear step motor connects, step motor mechanism changes the rotary motion of motor lead screw into linear motion, controls from this the gripper open with closed, and then right the slide carries out the centre gripping, through photo resistance's resistance change judges whether the slide is controlled by the centre gripping, through pressure sensor forms the closed loop gear step motor's motion step number, step screw motor with it drives to remove vice guide rail the gripper oscilaltion, and then improves the autoradiograph machine and advance kind speed, has increased the turnover frequency of instrument, makes detection efficiency improve.
Description
Technical Field
The utility model relates to the field of medical equipment health, especially, relate to a high accuracy binary channels slide autoinjection oil drip device.
Background
At present, medical equipment continuously improves basic conditions of medical inspection and is also an important mark of the modernization degree, the medical equipment becomes an important field of modern medical treatment, and the development of the medical equipment restricts the development of the medical industry to a great extent;
peripheral blood cell morphology microscopic examination is the last detection in clinical examination and is known as the gold standard of clinical examination, and in most cases, peripheral blood cell morphology microscopic examination mainly depends on clinical examination personnel to observe a blood smear by using a microscope and count peripheral blood cells, so that the working intensity of the clinical examination personnel is high, and extremely strong working experience is required;
the automatic reading machine fully overcomes the defects, hands of clinical examination workers are liberated, the clinical examination workers are released from boring work, and the existing automatic reading machine is low in turnover frequency and detection speed, so that detection timeliness is not strong.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy binary channels slide autoinjection oil drip device aims at solving the current automatic turnover frequency of reading the machine among the prior art and is low, and detection speed is slow, leads to the not strong technical problem of ageing of detection.
In order to achieve the above object, the present invention provides a high-precision dual-channel glass slide automatic sample injection oil dripping device, which comprises a gripper, a glass slide, a stepping motor mechanism, a dual-channel turning platform and a photo resistor, wherein the gripper holds the glass slide, the glass slide is located at the bottom of the gripper, the stepping motor mechanism is fixedly connected with the gripper and located at one side of the gripper away from the glass slide, the dual-channel turning platform is abutted against the glass slide and located below the gripper, and the photo resistor is fixedly connected with the gripper and close to the glass slide and located between the glass slide and the gripper; the step motor mechanism comprises a gear step motor and a lifting driving assembly, the gear step motor is rotatably connected with the mechanical claw and is positioned on one side, far away from the glass slide, of the mechanical claw, and the lifting driving assembly is slidably connected with the mechanical claw and is positioned on one side, far away from the mechanical claw, of the gear step motor.
The lifting driving assembly comprises a stepping screw rod motor and a moving pair guide rail, and the stepping screw rod motor is rotationally connected with the mechanical claw and is positioned on one side of the gear stepping motor, which is far away from the glass slide; the sliding pair guide rail is connected with the mechanical claw in a sliding mode, fixedly connected with the stepping screw rod motor and located on the side face of the stepping screw rod motor.
The stepping motor mechanism further comprises a pressure sensor, the pressure sensor is mounted on the mechanical claw, receives a pressure signal for clamping the glass slide, and reversely controls the movement steps of the gear stepping motor.
The double-channel overturning platform comprises a reading-writing plate and an overturning assembly, wherein the reading-writing plate is abutted against the glass slide and is positioned below the glass slide far away from the mechanical claw; the overturning assembly is rotatably connected with the reading and writing plate and is positioned on one side of the reading and writing plate far away from the glass slide.
The overturning assembly comprises a transmission member and an overturning stepping motor, wherein the transmission member is connected with the reading and writing board and drives the reading and writing board to rotate; the overturning stepping motor is connected with the transmission member, drives the transmission member to rotate, and is positioned at one end of the transmission member, which is far away from the reading-writing board.
The transmission member comprises a synchronous wheel and a synchronous belt, and the synchronous wheel is connected with the reading and writing board and drives the reading and writing board to rotate; the synchronous belt is connected with the synchronous wheel, connected with the overturning stepping motor and connected with the synchronous wheel and the overturning stepping motor.
The double-channel overturning platform further comprises a radio frequency reader-writer, and the radio frequency reader-writer is installed on the reading-writing plate and is used for reading and writing the information of the glass slide.
The high-precision double-channel automatic slide sample injection oil dripping device further comprises an oil dripping mechanism and an oil dripping detection mechanism, wherein the oil dripping mechanism is connected with the double-channel overturning platform, is positioned on one side of the double-channel overturning platform, which is far away from the mechanical claw, and faces the slide; the oil dripping detection mechanism is connected with the oil dripping mechanism and faces the glass slide.
The oil dripping mechanism comprises an oil dripping component mounting plate and an oil dripping needle, wherein the oil dripping component mounting plate is connected with the double-channel overturning platform and is positioned on one side, far away from the mechanical claw, of the double-channel overturning platform; the oil dripping needle is fixedly connected with the oil dripping component mounting plate and faces the glass slide.
The oil dripping detection mechanism comprises a detection optocoupler and a controller, wherein the detection optocoupler is positioned on one side, close to the oil dripping needle, of the oil dripping component mounting plate and faces the glass slide; the controller with detect the opto-coupler and be connected, and with the oil drip needle is connected, and control the oil drip needle carries out the oil drip.
The utility model discloses a high accuracy binary channels slide autoinjection oil drip device, through the gripper centre gripping slide, gear step motor with the gripper is connected, step screw motor with gear step motor connects, step motor mechanism changes the rotary motion of motor lead screw into linear motion, controls from this the gripper open with closed, and then right the slide carries out the centre gripping, through photo resistance's resistance changes and judges whether the slide is controlled by the centre gripping, through pressure sensor forms the closed loop gear step motor's motion number of steps, step screw motor with it drives to remove the secondary guide rail the gripper oscilaltion, and then improve the automatic reading machine and advance kind speed, increased the turnover frequency of instrument, make detection efficiency improve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.
Fig. 1 is the general assembly diagram of the dual-channel automatic sample injection oil dripping of the utility model.
FIG. 2 is an overall view of the slide holding member of the present invention.
Fig. 3 is an overall view of the gripper lifting mechanism of the present invention.
Fig. 4 is the overall diagram of the dual-channel turnover platform of the present invention.
Fig. 5 is a view of the oil dropping member of the present invention.
Fig. 6 is a schematic control logic diagram of the oil dropping component of the present invention.
In the figure: 1-mechanical claw, 2-glass slide, 3-stepping motor mechanism, 4-double channel turnover platform, 5-photoresistor, 6-oil dropping mechanism, 7-oil dropping detection mechanism, 31-gear stepping motor, 32-lifting drive component, 33-pressure sensor, 41-read-write plate, 42-turnover component, 43-radio frequency reader-writer, 61-oil dropping component mounting plate, 62-oil dropping needle, 71-detection optical coupler, 72-controller, 100-high precision double channel glass slide automatic sample injection oil dropping device, 321-stepping screw motor, 322-moving auxiliary guide rail, 421-transmission component, 422-turnover stepping motor, 4211-synchronous wheel and 4212-synchronous belt.
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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1:
referring to fig. 1, 2 and 3, the utility model provides a high accuracy binary channels slide autoinjection oil drip device 100, including gripper 1, slide 2, step motor mechanism 3, binary channels upset platform 4 and photo resistance 5, gripper 1 centre gripping slide 2, slide 2 is located the bottom of gripper 1, step motor mechanism 3 with gripper 1 fixed connection, and be located the gripper 1 one side of keeping away from slide 2, binary channels upset platform 4 with slide 2 butt, and be located the below of gripper 1, photo resistance 5 with gripper 1 fixed connection, and be close to slide 2, be located between slide 2 and gripper 1; the stepping motor mechanism 3 comprises a gear stepping motor 31 and a lifting driving component 32, the gear stepping motor 31 is rotationally connected with the mechanical claw 1 and is positioned at one side of the mechanical claw 1 far away from the glass slide 2, and the lifting driving component 32 is slidably connected with the mechanical claw 1 and is positioned at one side of the mechanical claw 1 far away from the gear stepping motor 31.
Further, the lifting driving assembly 32 comprises a stepping screw motor 321 and a moving pair guide rail 322, wherein the stepping screw motor 321 is rotatably connected with the gripper 1 and is located on one side of the gear stepping motor 31 away from the slide 2; the sliding pair guide rail 322 is slidably connected to the gripper 1, is fixedly connected to the stepping screw motor 321, and is located on a side surface of the stepping screw motor 321.
Further, the stepping motor mechanism 3 further comprises a pressure sensor 33, wherein the pressure sensor 33 is mounted on the gripper 1, receives a pressure signal for clamping the slide 2, and reversely controls the number of movement steps of the gear stepping motor 31.
In this embodiment, the gripper 1, the stepping motor mechanism 3 and the dual-channel turnover platform 4 are connected to a power supply and controlled by a controller 72, the opening and closing of the gripper 1 are controlled by the gear stepping motor 31, a gear or a worm gear is installed in the gear stepping motor 31 for transmission, so as to change the motion trajectory of the gripper 1, when the blood smear to be detected is manually loaded, the slide glass 2 is automatically injected to the lower part of the gripper 1, the gripper 1 is gradually opened, the slide glass 2 is clamped, the motion mode and the transmission motor have great difference, the traditional motor adopts a screw rod or a synchronous wheel 4211 for transmission, and only can rotate, so that the gear stepping motor 31 which drives the gripper 1 to open and close changes the motion direction thereof by using the gear or the worm gear, thereby realizing the function of clamping the glass slide 2, the gripper 1 can realize the up-down lifting function, thereby realizing the transfer of the glass slide 2 from the glass slide basket to the double channel, the lifting of the gripper 1 can be realized by the components of the stepping screw motor 321, the moving pair guide rail 322, etc., the stepping screw motor 321 is arranged on the screw stepping motor mounting plate, the screw is connected with the lifting gripper 1 mounting block arranged on the moving pair guide rail 322, the lifting of the gripper 1 is realized by the rotation of the screw, when the glass slide 2 coated with blood film and dyed is clamped by the gripper 1, the clamping force is generally ensured by controlling the step number of the gear stepping motor 31, thereby ensuring that the gripper 1 does not clamp the glass slide 2, correspondingly, the pressure sensor 33 is arranged on the gripper 1, the clamping force of the mechanical claw 1 on the glass slide 2 is received through the pressure sensor 33, a pressure signal is transmitted to the controller 72, the movement steps of the gear stepping motor 31 are reversely controlled through the controller 72, the integrity of the glass slide 2 is guaranteed, the glass slide 2 cannot be clamped to prevent the mechanical claw 1 from being operated by mistake, the photoresistor 5 is arranged on the mechanical claw 1 to judge whether the glass slide 2 exists or not, the photoresistor 5 is based on the internal photoelectric effect, and the resistance value is lower when the light is stronger; the resistance value will increase rapidly with the decrease of the illumination intensity, after the glass slide 2 is specially processed, light cannot pass through, the light-sensitive resistors 5 installed on both sides of the gripper 1 will gradually decrease with the opening of the gripper 1, when the gripper 1 clamps the glass slide 2, the light-sensitive resistors 5 can not feel light any more to increase the resistance, thereby determining whether the gripper 1 clamps the glass slide 2, in this way, the stepping motor converts the rotation motion of the motor screw rod into linear motion, thereby controlling the opening and closing of the gripper 1, further clamping the glass slide 2, determining whether the glass slide 2 is clamped by the change of the resistance value of the light-sensitive resistor 5, and forming a closed loop by the pressure sensor 33 to control the number of movement steps of the gear stepping motor 31, step-by-step lead screw motor 321 with the vice guide rail 322 that removes drives gripper 1 oscilaltion, and then improve the automatic reading machine sample introduction speed, increased the turnover frequency of instrument, make detection efficiency improve.
Example 2:
referring to fig. 1 to 4, the present invention provides a high-precision dual-channel slide automatic sample injection oil dripping device 100, including a gripper 1, a slide 2, a stepping motor mechanism 3, a dual-channel turning platform 4 and a photo resistor 5, wherein the gripper 1 clamps the slide 2, the slide 2 is located at the bottom of the gripper 1, the stepping motor mechanism 3 is fixedly connected to the gripper 1 and located at one side of the gripper 1 away from the slide 2, the dual-channel turning platform 4 abuts against the slide 2 and is located below the gripper 1, and the photo resistor 5 is fixedly connected to the gripper 1 and is close to the slide 2 and located between the slide 2 and the gripper 1; the stepping motor mechanism 3 comprises a gear stepping motor 31 and a lifting driving component 32, the gear stepping motor 31 is rotationally connected with the mechanical claw 1 and is positioned at one side of the mechanical claw 1 far away from the glass slide 2, and the lifting driving component 32 is slidably connected with the mechanical claw 1 and is positioned at one side of the mechanical claw 1 far away from the gear stepping motor 31.
Further, the dual-channel turnover platform 4 comprises a reading and writing board 41 and a turnover assembly 42, wherein the reading and writing board 41 is abutted against the glass slide 2 and is positioned below the glass slide 2 far away from the mechanical claw 1; the turnover assembly 42 is rotatably connected to the reading and writing board 41 and is located on a side of the reading and writing board 41 away from the slide 2.
Further, the flipping unit 42 includes a transmission member 421 and a flipping step motor 422, and the transmission member 421 is connected to the reading/writing board 41 and drives the reading/writing board 41 to rotate; the turning stepping motor 422 is connected to the transmission member 421, drives the transmission member 421 to rotate, and is located at one end of the transmission member 421 away from the reading/writing board 41.
Further, the transmission member 421 includes a synchronous wheel 4211 and a synchronous belt 4212, the synchronous wheel 4211 is connected with the reading/writing board 41 and drives the reading/writing board 41 to rotate; the synchronous belt 4212 is connected with the synchronous wheel 4211, connected with the turning stepping motor 422 and connected with the synchronous wheel 4211 and the turning stepping motor 422.
Further, the dual-channel turnover platform 4 further comprises a radio frequency reader-writer 43, and the radio frequency reader-writer 43 is installed on the reading-writing board 41 and reads and writes information of the glass slide 2.
In this embodiment, when the gripper 1 transfers the slide glass 2 to the read-write board 41 on the dual-channel flipping platform 4, the radio frequency reader-writer 43 mounted on the read-write board 41 can read and write information of the slide glass 2 and a patient, the dual-channel flipping platform 4 is flipped by the cooperation of the flipping stepper motor 422, the synchronous belt 4212, the synchronous wheel 4211, etc., the flipping stepper motor 422 drives the synchronous belt 4212 to rotate, and further drives the synchronous wheel 4211 to rotate, the synchronous wheel 4211 is connected to the read-write board 41 through a shaft rod, and further drives the read-write board 41 to flip, when the gripper 1 holds the slide glass 2, the read-write board 41 of the dual-channel flipping platform 4 is in a vertical state, when the slide glass 2 enters any channel of the dual channels, at the moment, the reading and writing board 41 is turned over, so that the double-channel sampling mechanism is utilized to queue and turnover blood smears, the throughput of the automatic smear reading machine can be rapidly increased, the detection speed is increased, and the detection timeliness is guaranteed.
Example 3:
referring to fig. 1, fig. 2, fig. 3, fig. 5, and fig. 6, the present invention provides a high-precision dual-channel slide automatic sample injection oil dripping device 100, which includes a gripper 1, a slide 2, a stepping motor mechanism 3, a dual-channel overturning platform 4, and a photo resistor 5, wherein the gripper 1 clamps the slide 2, the slide 2 is located at the bottom of the gripper 1, the stepping motor mechanism 3 is fixedly connected to the gripper 1 and located at a side of the gripper 1 away from the slide 2, the dual-channel overturning platform 4 abuts against the slide 2 and is located below the gripper 1, and the photo resistor 5 is fixedly connected to the gripper 1 and is close to the slide 2 and located between the slide 2 and the gripper 1; the stepping motor mechanism 3 comprises a gear stepping motor 31 and a lifting driving component 32, the gear stepping motor 31 is rotationally connected with the mechanical claw 1 and is positioned at one side of the mechanical claw 1 far away from the glass slide 2, and the lifting driving component 32 is slidably connected with the mechanical claw 1 and is positioned at one side of the mechanical claw 1 far away from the gear stepping motor 31.
Further, the high-precision double-channel automatic slide sample feeding and oil dripping device 100 further comprises an oil dripping mechanism 6 and an oil dripping detection mechanism 7, wherein the oil dripping mechanism 6 is connected with the double-channel overturning platform 4, is positioned on one side of the double-channel overturning platform 4, which is far away from the mechanical claw 1, and faces the slide 2; the oil dripping detection mechanism 7 is connected with the oil dripping mechanism 6 and faces the glass slide 2.
Further, the oil dropping mechanism 6 comprises an oil dropping component mounting plate 61 and an oil dropping needle 62, wherein the oil dropping component mounting plate 61 is connected with the dual-channel overturning platform 4 and is positioned on one side of the dual-channel overturning platform 4 far away from the mechanical claw 1; the oil dropping needle 62 is fixedly connected to the oil dropping member mounting plate 61 and faces the slide 2.
Further, the oil dripping detection mechanism 7 comprises a detection optocoupler 71 and a controller 72, wherein the detection optocoupler 71 is positioned on one side of the oil dripping component mounting plate 61 close to the oil dripping needle 62 and faces the glass slide 2; the controller 72 is connected with the detection optocoupler 71, connected with the oil dripping needle 62 and used for controlling the oil dripping needle 62 to drip oil.
In this embodiment, after the reading/writing board 41 is turned over by 90 °, the reading/writing board can be clamped by a grabbing claw on an XY platform, the oil dripping component mounting plate 61 is mounted on the side surface of the dual-channel turning platform 4, the oil dripping needle 62 is located at the end of the oil dripping component mounting plate 61 and faces the glass slide 2, at this time, the glass slide 2 can be subjected to oil dripping treatment, when oil dripping is performed, a valve is opened to open an oil dripping liquid path, a pump is used for pumping oil, oil is dripped from the oil dripping needle 62 under the pressure of the pump, a signal indicating whether oil drops are pumped out is received by the detection optical coupler 71 and transmitted to the controller 72, and if so, oil pumping is stopped; if not, oil pumping is continued, the detection optocoupler 71 is utilized to judge whether oil drops exist or not, the oil dropping function is realized, the oil dropping amount is monitored, the efficiency of the oil dropping process is improved, and the detection speed is further improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A high-precision double-channel glass slide automatic sample injection oil dripping device is characterized by comprising a mechanical claw, a glass slide, a stepping motor mechanism, a double-channel overturning platform and a photoresistor,
the mechanical claw clamps the glass slide, the glass slide is positioned at the bottom of the mechanical claw, the stepping motor mechanism is fixedly connected with the mechanical claw and positioned on one side of the mechanical claw, which is far away from the glass slide, the double-channel overturning platform is abutted against the glass slide and positioned below the mechanical claw, and the photoresistor is fixedly connected with the mechanical claw, close to the glass slide and positioned between the glass slide and the mechanical claw;
the step motor mechanism comprises a gear step motor and a lifting driving assembly, the gear step motor is rotatably connected with the mechanical claw and is positioned on one side, far away from the glass slide, of the mechanical claw, and the lifting driving assembly is slidably connected with the mechanical claw and is positioned on one side, far away from the mechanical claw, of the gear step motor.
2. The high-precision dual-channel slide automatic sample injection oil dripping device of claim 1,
the lifting driving assembly comprises a stepping screw rod motor and a moving pair guide rail, and the stepping screw rod motor is rotationally connected with the mechanical claw and is positioned on one side of the gear stepping motor, which is far away from the glass slide; the sliding pair guide rail is connected with the mechanical claw in a sliding mode, fixedly connected with the stepping screw rod motor and located on the side face of the stepping screw rod motor.
3. The high-precision dual-channel slide automatic sample injection oil dripping device of claim 2,
the stepping motor mechanism further comprises a pressure sensor, the pressure sensor is installed on the mechanical claw, receives a pressure signal for clamping the glass slide, and reversely controls the movement steps of the gear stepping motor.
4. The high-precision dual-channel slide automatic sample injection oil dripping device of claim 1,
the double-channel overturning platform comprises a reading-writing plate and an overturning assembly, wherein the reading-writing plate is abutted against the glass slide and is positioned below the glass slide far away from the mechanical claw; the overturning assembly is rotatably connected with the reading and writing plate and is positioned on one side of the reading and writing plate far away from the glass slide.
5. The high-precision dual-channel slide automatic sample injection oil dripping device of claim 4,
the overturning assembly comprises a transmission member and an overturning stepping motor, and the transmission member is connected with the reading and writing board and drives the reading and writing board to rotate; the overturning stepping motor is connected with the transmission member, drives the transmission member to rotate, and is positioned at one end of the transmission member, which is far away from the reading-writing board.
6. The high-precision dual-channel slide automatic sample injection oil dripping device of claim 5,
the transmission member comprises a synchronous wheel and a synchronous belt, and the synchronous wheel is connected with the reading and writing board and drives the reading and writing board to rotate; the synchronous belt is connected with the synchronous wheel, connected with the overturning stepping motor and connected with the synchronous wheel and the overturning stepping motor.
7. The high-precision dual-channel slide automatic sample injection oil dripping device of claim 6,
the double-channel overturning platform further comprises a radio frequency reader-writer, and the radio frequency reader-writer is installed on the reading-writing plate and is used for reading and writing the information of the glass slide.
8. The high-precision dual-channel slide automatic sample injection oil dripping device of claim 1,
the high-precision double-channel glass slide automatic sample injection oil dripping device further comprises an oil dripping mechanism and an oil dripping detection mechanism, wherein the oil dripping mechanism is connected with the double-channel overturning platform, is positioned on one side of the double-channel overturning platform, which is far away from the mechanical claw, and faces the glass slide; the oil dripping detection mechanism is connected with the oil dripping mechanism and faces the glass slide.
9. The high-precision dual-channel slide autosampler oil-dripping device of claim 8,
the oil dripping mechanism comprises an oil dripping component mounting plate and an oil dripping needle, and the oil dripping component mounting plate is connected with the double-channel overturning platform and is positioned on one side, far away from the mechanical claw, of the double-channel overturning platform; the oil dripping needle is fixedly connected with the oil dripping component mounting plate and faces the glass slide.
10. The high-precision dual-channel slide autoinjection oil drip device of claim 9,
the oil dripping detection mechanism comprises a detection optocoupler and a controller, wherein the detection optocoupler is positioned on one side of the oil dripping component mounting plate, which is close to the oil dripping needle, and faces the glass slide; the controller with detect the opto-coupler and be connected, and with the oil drip needle is connected, and control the oil drip needle carries out the oil drip.
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| CN111007008A (en) * | 2019-12-18 | 2020-04-14 | 深圳北航新兴产业技术研究院 | High-precision double-channel glass slide automatic sample injection oil dripping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111007008A (en) * | 2019-12-18 | 2020-04-14 | 深圳北航新兴产业技术研究院 | High-precision double-channel glass slide automatic sample injection oil dripping device |
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