Puncture needle sample slice preparation device

Abstract

The invention discloses a puncture needle sample slice preparation device, and relates to the technical field of sample preparation, the puncture needle sample slice preparation device comprises a slice base part, the slice base part is provided with an angle positioning part, and the slice base part is used for positioning the rotation angle of the angle positioning part; a slicing part is mounted on the angle positioning piece; the slicing part is used for slicing a sample; a descending switch piece is mounted on the angle positioning piece and is used for controlling exhaust; a slicing control piece is mounted on the descending switch piece; a slice detection piece is mounted on the angle positioning piece; a cleaning segmentation part is mounted on the slicing detection part; the adopted slicing control piece can automatically control the slicing detection piece to detect the wax block according to the cutting state, and the situation that protrusions or dents existing on the surface of the wax block are not found due to the problems that a slicing knife is provided with notches and the like is avoided; the problem that according to an existing puncture needle sample slice preparation device, slice section quality cannot be conveniently and automatically detected is solved.

Description

Technical Field

[0001] The invention relates to the technical field of sample preparation, in particular to a puncture needle sample slice preparation device. Background Art

[0002] In actual medical puncture needles and other instruments, tissue samples need to be taken out for subsequent testing. At this time, it is necessary to make sample wax blocks. Wax blocks are hard solid blocks formed by fixing, processing and embedding tissue specimens in paraffin. Wax blocks can preserve tissue specimens for a long time, prevent them from corruption and denaturation, and ensure the integrity and availability of tissue specimens. In the wax block slicing work, cutting is mainly carried out by a slicer, and its main structure is composed of a movable wax block holder and a knife holder. The movable wax block holder is used to move the wax block on the blade side of the knife holder to achieve slicing. Usually, it is necessary to first roughly slice the wax block. Precision cutting after cutting. The current puncture needle sample slicing preparation device is not convenient for automatic slicing with a small amount of steam water. Direct slicing is more fragile and is not convenient for automatic control of the humidification degree. Traditional continuous humidification can easily cause excessive humidity, which will also affect the slicing effect. At the same time, traditional slicing is not convenient for automatic detection of the quality of the slice section. Defects such as notches on the blade are not easy to find, which affects the flatness of the wax block slices and is not convenient for staff to determine the amount of rough cutting. Excessive rough cutting will waste tissue. At the same time, the traditional slicing method will discharge samples continuously and require manual operation to separate each sample, which is inefficient and easy to damage the sample.

[0003] To this end, we propose a puncture needle sample slice preparation device. Summary of the invention

[0004] The object of the present invention is to provide a puncture needle sample slice preparation device to solve the problem that the current puncture needle sample slice preparation device is not convenient for automatically detecting the slice section quality and defects such as notches on the blade are not easy to find.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a puncture needle sample slice preparation device, comprising a slice base member, an angle positioning member is installed on the slice base member, and the slice base member is used to position the rotation angle of the angle positioning member; a slice portion is installed on the angle positioning member; the slice portion is used to slice the sample; a descending switch member is installed on the angle positioning member, and the descending switch member is used to control exhaust; a slice control member is installed on the descending switch member; a slice detection member is installed on the angle positioning member; the slice detection member is used to detect the slice section; the slice control member is used to control the slice detection member; a cleaning segment member is installed on the slice detection member, and the cleaning segment member is used to clean the slice portion; the slice base member comprises: a mounting base and a positioning bolt, and a dovetail groove is provided at the bottom of the mounting base; the mounting base is used to be mounted on a slicer; the top of the mounting base is an arc-shaped structure; two positioning bolts are threadedly connected to the mounting base, and the two positioning bolts pass through the mounting base respectively.

[0006] Preferably, the descending switch component also includes: a baffle and a lower pressure frame, and the baffle is fixedly installed on the two descending slide shafts; the baffle is attached to the front side of the slicing knife; the baffle is used to close the steam exhaust port; the lower pressure frame is fixedly installed on the baffle; the lower pressure frame is located at the bottom of the slicer wax block holder.

[0007] Preferably, the descending switch component includes: a descending slide shaft and a tension spring, two descending slide shafts are slidably installed on the cutter connecting block, and tension springs are respectively sleeved on the two descending slide shafts; the ends of the two tension springs are respectively fixedly installed on the descending slide shaft, and the other ends of the two tension springs are respectively fixedly installed on the cutter connecting block.

[0008] Preferably, the angle positioning member includes: a cutter connecting block, a liquid storage tank, an air duct and an electric heating plate, the bottom of the cutter connecting block is attached to the top of the mounting base; the cutter connecting block is slidably connected to the arc-shaped slide bar; a liquid storage tank is provided on the cutter connecting block; water is stored inside the liquid storage tank; an air duct is fixedly installed on the cutter connecting block, and the air duct is connected to the liquid storage tank; an electric heating plate is fixedly installed inside the liquid storage tank, and the electric heating plate is connected to an external power supply; the liquid storage tank is used to generate water vapor; three sockets are provided on the side of the cutter connecting block.

[0009] Preferably, the slice detection component also includes: a detection spring, a micro pressure sensor and a sliding column, the detection spring is sleeved inside the moving slider; the moving slider is slidably sleeved with a micro pressure sensor, and the micro pressure sensor is attached to the detection spring; the moving slider is slidably installed with a sliding column, and the sliding column is attached to the micro pressure sensor; the micro pressure sensor is externally connected to a display.

[0010] Preferably, the slicing control component includes: a control connection disk, a micro switch and a fixed plate, the control connection disk is fixedly installed on the bottom of the descending slide shaft opposite to the air guide tube; the micro switch is fixedly installed on the control connection disk; the fixing plate is fixedly installed on the cutter connecting block; the fixing plate is located above the micro switch.

[0011] Preferably, the slicing base member further comprises: a display and an arc-shaped slide bar, the arc-shaped slide bar is fixedly mounted on the top of the mounting base; and the display is fixedly mounted on the mounting base.

[0012] Preferably, the cleaning segmented component comprises: a cleaning steel sheet and a cleaning sponge, wherein the cleaning steel sheet is fixedly mounted on the bottom of the movable slider; a cleaning sponge is fixedly mounted on the bottom of the cleaning steel sheet; and the cleaning sponge is attached to the top cutting edge of the slicing knife.

[0013] Preferably, the slicing detection component includes: a detection connecting tube, a driving motor, a bidirectional lead screw and a movable slider, the detection connecting tube is fixedly mounted on the cutter connecting block through a bracket; a driving motor is fixedly mounted on the side of the detection connecting tube, and the output shaft of the driving motor passes through the detection connecting tube; a bidirectional lead screw is fixedly mounted on the output shaft of the driving motor, and the bidirectional lead screw is rotatably mounted on the detection connecting tube; a bidirectional thread is provided on the bidirectional lead screw; a movable slider is threadedly connected to the bidirectional lead screw, and the movable slider is slidably mounted on the detection connecting tube; the micro switch is electrically connected to the driving motor.

[0014] Preferably, the slicing part comprises: a slicing knife, a steam exhaust port, a collecting slot, an air jet anti-sticking slot, a plug-in positioning column, a positioning tension spring, a shielding net and a guide plate, wherein the slicing knife is slidably mounted on the slicing knife connecting block; a steam exhaust port is provided on the slicing knife; the steam exhaust port exhausts air upward; the end of the air guide pipe is fixedly mounted on the slicing knife; the steam exhaust port is connected to the air guide pipe; a blade is provided on the top of the slicing knife; a collecting slot is provided on the slicing knife, and the collecting slot is used to collect fine-cut samples; the slicing knife is provided with an air jet anti-sticking slot, The jet anti-sticking groove is connected to an electric fan through a hose; a plug-in positioning column is slidably plugged on the slicing knife, and the plug-in positioning column is plugged into the socket on the cutter connecting block; a positioning tension spring is sleeved on the plug-in positioning column; the end of the positioning tension spring is fixedly installed on the slicing knife, and the other end of the positioning tension spring is fixedly installed on the plug-in positioning column; a handle is provided on the top of the plug-in positioning column; a shielding net is embedded on the jet anti-sticking groove, and the jet anti-sticking groove is flush with the outer side of the slicing knife; a guide plate is fixedly installed on the outer side of the slicing knife, and the guide plate is located above the collecting groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention adopts a slicing part to achieve humidified slicing work, and can perform humidity compensation work by heating steam, which can promote the softening of frozen wax blocks and increase humidity, facilitate slicing formation, and reduce the shredding rate. The collection tank is adopted to facilitate direct collection of the structure after slicing is completed, and water is added to the collection tank to receive the slices. At the same time, an air jet anti-sticking tank that can spray air can be used to blow a breeze to prevent the slices from adhering to the slicing knife. The structure is more reasonable. The guide plate adopted can realize the direct classification and discharge of the rough-cut slices during rough slicing. The structure is more reasonable and can prevent the rough-cut samples from mixing with the fine-cut samples.

[0017] The use of a descending switch can realize automatic control of the steam exhaust port switch. This structure can ensure the humidification frequency and avoid excessive humidification. This structure can automatically humidify once after each sample is cut, and can automatically close the steam exhaust port when not cutting to avoid damage to the sample and ensure the quality of slice humidification.

[0018] The adopted slicing control part can automatically control the slicing detection part to detect the wax block according to the cutting status, and can be used to detect the cross-sectional cutting accuracy of the wax block to avoid problems such as notches in the slicing knife causing undetected protrusions or dents on the surface of the wax block. This structure uses the slicing control part for control to avoid manual forgetting. At the same time, this structure can use the reciprocating detection structure to detect the degree of rough cutting completion to avoid excessive or insufficient removal of the front end of the wax block, resulting in inaccurate control of the slicing depth.

[0019] The use of a cleaning segmented piece can prevent wax impurities from adhering to the top of the slicer. At the same time, the structure can automatically slide on the top of the slicer to discharge the slices individually, prevent the edge of the slice from adhering to the blade of the slicer, and prevent continuous slicing. The structure can reduce the difficulty of operation and avoid subsequent manual operation of slice separation and damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the front structure of the present invention;

[0022] Figure 3 It is a cross-sectional view of the internal structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the slicing base member of the present invention;

[0024] Figure 5 This is a schematic diagram of the angle positioning member structure of the present invention;

[0025] Figure 6 For the present invention Figure 3 A magnified view of the structure of the middle B region;

[0026] Figure 7 It is a schematic diagram of the structure of the slicing part of the present invention;

[0027] Figure 8 This is a schematic diagram of the structure of the descending switch member of the present invention;

[0028] Fig. 9 For the present invention Figure 2 A magnified view of the structure of the middle C region;

[0029] Fig.10 This is a schematic diagram of the structure of the slice detection component of the present invention;

[0030] Fig.11 For the present invention Figure 3 A magnified view of the structure of the middle D region;

[0031] Fig.12 For the present invention Figure 3 Enlarged view of the structure of region E in the middle.

[0032] In the figure: 1. Slicing base; 101. Mounting base; 102. Positioning bolt; 103. Display; 104. Arc slide; 2. Angle positioning member; 201. Cutter connecting block; 2011. Liquid storage tank; 202. Air guide tube; 204. Electric heating plate; 3. Slicing part; 301. Slicing knife; 3011. Steam discharge port; 3012. Collecting tank; 3013. Air jet anti-sticking tank; 302. Plug-in positioning column; 303. Positioning tension spring; 304. Shielding net; 305. Guide plate; 4. Descending switch component; 401, descending slide shaft; 402, tension spring; 403, baffle; 404, lower pressure frame; 5, slicing control component; 501, control connection plate; 502, micro switch; 503, fixing plate; 6, slicing detection component; 601, detection connection cylinder; 602, driving motor; 603, bidirectional lead screw; 604, moving slider; 605, detection spring; 606, micro pressure sensor; 607, sliding column; 7, cleaning segmented component; 701, cleaning steel sheet; 702, cleaning sponge. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Example 1: Please refer to Figure 1-Figure 12 As shown:

[0035] The present invention provides a technical solution: a puncture needle sample slice preparation device, comprising a slice base member 1, an angle positioning member 2 is installed on the slice base member 1, and the slice base member 1 is used to position the rotation angle of the angle positioning member 2; a slice portion 3 is installed on the angle positioning member 2; the slice portion 3 is used to slice the sample; a descending switch member 4 is installed on the angle positioning member 2, and the descending switch member 4 is used to control exhaust; a slice control member 5 is installed on the descending switch member 4; a slice detection member 6 is installed on the angle positioning member 2; the slice detection member 6 is used to detect the slice section; the slice control member 5 is used to control the slice detection member 6; a cleaning segment member 7 is installed on the slice detection member 6, and the cleaning segment member 7 is used to clean the slice portion 3; the slice base member 1 comprises: a mounting base 101 and a positioning bolt 102, and a dovetail groove is provided at the bottom of the mounting base 101; the mounting base 101 is used to be mounted on a slicer; the top of the mounting base 101 is an arc structure; two positioning bolts 102 are threadedly connected to the mounting base 101, and the two positioning bolts 102 pass through the mounting base 101 respectively.

[0036] The slicing base member 1 further includes: a display 103 and an arc-shaped slide bar 104, the arc-shaped slide bar 104 is fixedly installed on the top of the mounting base 101; the display 103 is fixedly installed on the mounting base 101; the angle positioning member 2 includes: a cutter connection block 201, a liquid storage tank 2011, an air guide tube 202 and an electric heating plate 204, the bottom of the cutter connection block 201 is attached to the top of the mounting base 101; the cutter connection block 201 is slidably connected to the arc-shaped slide bar 104; the cutter connection block 201 is provided with a liquid storage tank 2011; the liquid storage tank 2011 is provided on the cutter connection block 201; 011 internal water storage; the cutter connection block 201 is fixedly installed with an air guide tube 202, and the air guide tube 202 is connected to the liquid storage tank 2011; the liquid storage tank 2011 is fixedly installed with an electric heating plate 204, and the electric heating plate 204 is externally connected to a power supply; the liquid storage tank 2011 is used to generate water vapor; three jacks are provided on the side of the cutter connection block 201; the slicing part 3 includes: a slicing knife 301, a steam exhaust port 3011, a collecting tank 3012, an air jet anti-sticking tank 3013, a plug-in positioning column 302, a positioning tension spring 303, a shielding net 304 and a guide The guide plate 305 and the slicer 301 are slidably mounted on the slicer connection block 201; a steam exhaust port 3011 is provided on the slicer 301; the steam exhaust port 3011 exhausts air upward; the end of the air guide pipe 202 is fixedly mounted on the slicer 301; the steam exhaust port 3011 is connected to the air guide pipe 202; a blade is provided on the top of the slicer 301; a collecting groove 3012 is provided on the slicer 301, and the collecting groove 3012 is used to collect the finely cut samples; an air jet anti-sticking groove 3013 is provided on the slicer 301, and the air jet anti-sticking groove 3013 is connected to the air guide pipe 202; a blade is provided on the top of the slicer 301; a collecting groove 3012 is provided on the slicer 301, and the collecting groove 3012 is used to collect the finely cut samples; a jet anti-sticking groove 3013 is provided on the slicer 301, and the ... The electric blower is connected through a hose; a plug-in positioning post 302 is slidably plugged on the slicer 301, and the plug-in positioning post 302 is plugged into the jack on the cutter connection block 201; a positioning tension spring 303 is sleeved on the plug-in positioning post 302; the end of the positioning tension spring 303 is fixedly mounted on the slicer 301, and the other end of the positioning tension spring 303 is fixedly mounted on the plug-in positioning post 302; a handle is provided on the top of the plug-in positioning post 302; a shielding net 304 is embedded in the jet anti-sticking groove 3013, and the jet anti-sticking groove 3013 is flush with the outer side of the slicer 301;A guide plate 305 is fixedly installed on the outside of the slicing knife 301, and the guide plate 305 is located above the collecting groove 3012. The angle positioning member 2 can be used to conveniently adjust the angle, which can better adapt to the slicing work. At the same time, the slicing part 3 of this structure can realize humidified slicing work, and the humidity compensation work can be performed by heating steam, which can promote the softening of frozen wax blocks and increase humidity, which is convenient for slicing and reduces the shredding rate. The collection groove 3012 can facilitate the direct collection of the structure after slicing is completed, and water can be added to the collection groove 3012 to receive the slices. At the same time, the jet anti-sticking groove 3013 that can spray air can be used to blow a breeze to prevent the slices from adhering to the slices. The knife 301 has a more reasonable structure. The guide plate 305 used can directly classify and discharge the rough-cut slices during rough slicing. The structure is more reasonable and can prevent the rough-cut samples from mixing with the fine-cut samples. The structure is simple and convenient to operate. The guide plate 305 can shield the liquid storage tank 2011 to prevent the slices from falling into the liquid storage tank 2011. After the rough cutting is completed, the slicer 301 can be slid to switch the use area of ​​the slicer 301 to perform fine cutting. At this time, the slices can fall into the collection tank 3012. The air jet anti-sticking tank 3013 is connected to the electric fan through a hose to start a breeze to avoid excessive wind force. The slices can be discharged from the shielding net 304 to prevent the slices from sticking to the shielding net 304. ;

[0037] The descending switch member 4 comprises: a descending slide shaft 401 and a tension spring 402. Two descending slide shafts 401 are slidably mounted on the cutter connection block 201, and the two descending slide shafts 401 are respectively sleeved with tension springs 402; the ends of the two tension springs 402 are respectively fixedly mounted on the descending slide shafts 401, and the other ends of the two tension springs 402 are respectively fixedly mounted on the cutter connection block 201; the descending switch member 4 also comprises: a baffle 403 and a lower pressure frame 404. The baffle 403 is fixedly mounted on the two descending slide shafts 401; the baffle 403 is attached to the front side of the slicing knife 301; the baffle 403 is used to close the steam exhaust port 3011; the lower pressure frame 404 is fixedly mounted on the baffle 403; the lower pressure frame 4 04 is located at the bottom of the slicer wax block holder, and the descending switch 4 can be used to automatically control the switch of the steam exhaust port 3011. This structure can ensure the humidification frequency and avoid excessive humidification. This structure can automatically humidify once after each sample is cut, and can automatically close the steam exhaust port 3011 when not cutting to avoid damage to the sample. It can also ensure the humidification quality of the slices. The structure is simple and avoids the traditional humidification structure. Even if the purpose of humidification is achieved, it requires manual control to avoid excessive humidification. This structure is automatically controlled. When the wax block holder of the slicer moves down for slicing, the wax block holder presses down the pressing frame 404. At this time, the steam exhaust port 3011 can discharge water-containing steam upward to humidify the wax block.

[0038] The slicing control part 5 includes: a control connection disk 501, a micro switch 502 and a fixing plate 503. The control connection disk 501 is fixedly installed at the bottom of the descending slide shaft 401 opposite to the air guide tube 202; the control connection disk 501 is fixedly installed with a micro switch 502; the cutter connection block 201 is fixedly installed with a fixing plate 503; the fixing plate 503 is located above the micro switch 502; the slicing detection part 6 includes: a detection connection cylinder 601, a drive motor 602, a bidirectional lead screw 603 and a movable slider 604. The detection connection cylinder 601 is fixedly installed on the cutter connection block 201 through a bracket; the drive motor 602 is fixedly installed on the side of the detection connection cylinder 601, and the drive motor 603 is fixedly installed on the side of the detection connection cylinder 601. 02's output shaft passes through the detection connection tube 601; a bidirectional lead screw 603 is fixedly mounted on the output shaft of the driving motor 602, and the bidirectional lead screw 603 is rotatably mounted on the detection connection tube 601; a bidirectional thread is provided on the bidirectional lead screw 603; a movable slider 604 is threadedly connected to the bidirectional lead screw 603, and the movable slider 604 is slidably mounted on the detection connection tube 601; the micro switch 502 is electrically connected to the driving motor 602; the slice detection part 6 also includes: a detection spring 605, a micro pressure sensor 606 and a sliding column 607, and an EVTSENSOR type micro pressure sensor 606 can be used, and a matching display 103 is used, and the detection spring 605 is sleeved on the movable slider The slider 604 is inside; a micro pressure sensor 606 is slidably sleeved on the movable slider 604, and the micro pressure sensor 606 is attached to the detection spring 605; a sliding column 607 is slidably installed on the movable slider 604, and the sliding column 607 is attached to the micro pressure sensor 606; the micro pressure sensor 606 is externally connected to the display 103, and the slice control part 5 used can automatically control the slice detection part 6 to detect the wax block according to the cutting state, which can be used to detect the cross-sectional cutting accuracy of the wax block, avoid the problem of notches on the slicer 301 causing the surface of the wax block to have protrusions or dents that are not discovered. This structure can ensure the slice thickness standard and the subsequent detection quality. This structure uses the slice The control method of the slice control part 5 can realize automatic control detection and avoid manual forgetting. At the same time, this structure can utilize the reciprocating detection structure, and the data is intuitively displayed. When the wax block is roughly cut, the degree of rough cutting completion can be detected to avoid excessive or too small removal of the front end of the wax block, which causes the problem of inaccurate control of the slice depth. When the cross-section of the wax block is flat, the pressure sensed by the micro pressure sensor 606 should remain consistent. On the contrary, when the cross-section of the wax block is uneven, the detection spring 605 can squeeze the sliding column 607 to stick to the cross-section of the wax block. Because the greater the degree of compression of the detection spring 605, the greater its elastic force, the data of pressure detection by the micro pressure sensor 606 will fluctuate.

[0039] Embodiment 2, on the basis of embodiment 1, the cleaning segmented part 7 comprises: a cleaning steel sheet 701 and a cleaning sponge 702, the cleaning steel sheet 701 is fixedly mounted on the bottom of the movable slider 604; a cleaning sponge 702 is fixedly mounted on the bottom of the cleaning steel sheet 701; the cleaning sponge 702 is attached to the top edge of the slicing knife 301, and the cleaning segmented part 7 can be used to clean and rub the top of the slicing knife 301, and wax impurities adhering to the top of the slicing knife 301 can be avoided. At the same time, the structure can automatically slide on the top of the slicing knife 301, so that the slices can be discharged in a single piece, and the edge of the slice can be prevented from adhering to the blade of the slicing knife 301. Because the wax of the slice is attached to the slicing knife 301, with the second slicing, the two wax slices will be directly connected and adhered, resulting in continuous slicing, which requires subsequent separation. The structure can reduce the difficulty of operation, ensure the quality of slicing, and avoid subsequent slicing separation and damage.

[0040] The working principle of this embodiment is as follows: first, install the mounting base 101 on the slicer, rotate the cutter connecting block 201 to adjust the angle, then tighten the two positioning bolts 102 to position the cutter connecting block 201, then start the slicer, control the wax block holder to move up and down, first perform rough slicing on the slicer 301 on the side of the guide plate 305, at this time the cut sample wax block falls from the shielding net 304 to the guide plate 305, guides the discharge, the guide plate 305 can shield the liquid storage tank 2011 to prevent the slice from falling into the liquid storage tank 2011, after the rough cutting is completed, manually pull up the plug-in positioning column 302 to release the plug-in socket on the cutter connecting block 201, then the slicer can be slid. The slicer 301 can switch the use area of ​​the slicer 301 to perform fine cutting. At this time, the slices can fall into the collecting tank 3012. The air jet anti-sticking tank 3013 is connected to the electric fan through a hose to start a breeze to avoid excessive wind force. The breeze is discharged from the shielding net 304 to prevent the slices from sticking to the shielding net 304. The water vapor generated by heating with the electric heating plate 204 can be discharged from the liquid storage tank 2011 through the air guide pipe 202 and discharged from the steam exhaust port 3011. The overall structure is simple and reasonable. When the wax block holder of the slicer moves down for slicing, the wax block holder presses down the pressing frame 404, the tension spring 402 is stretched, and the baffle 403 is also driven to move down, so as to release the moisture. In addition to sealing the steam exhaust port 3011, the steam exhaust port 3011 can discharge water-containing steam upward to humidify the wax block. As a single slice is completed, when the wax block holder moves up, the wax block holder no longer squeezes the lower pressure frame 404. Under the pull of the tension spring 402, the baffle 403 can move up to seal the steam exhaust port 3011 to avoid excessive humidification. When the wax block holder of the slicer moves to the top, the micro switch 502 is squeezed by the fixed plate 503, which can realize the control of the drive motor 602 to drive the two-way lead screw 603 to rotate and control the moving slider 604 to move back and forth. In the process, the sliding column 607 can be driven to fit the wax block slice section, and the sliding column 607 with the inclined surface at the front end can be used to In order to slide into the wax block section, when the wax block section is flat, the pressure sensed by the micro pressure sensor 606 should remain consistent. On the contrary, when the wax block section is uneven, the detection spring 605 can squeeze the sliding column 607 to stick to the wax block section. Because the greater the degree of compression of the detection spring 605, the greater its elastic force, the data of the pressure detection by the micro pressure sensor 606 will fluctuate. Similarly, the rough cutting amount of the slice can be known by observing the data of the micro pressure sensor 606 to avoid excessive rough cutting. As the wax block is pushed forward during rough cutting, the pressure can be detected in real time by the micro pressure sensor 606. If the feed amount is too large during rough cutting, a protection prompt can be given.The cleaning sponge 702 will also slide on the slicer 301 under the control of the moving slider 604. When the slicer 301 slides to a position where it does not block the downward movement of the wax block, the wax block holder of the slicer can be controlled to move downward for slicing. The structure is simple and reasonable. As the cleaning sponge 702 slides on the slicer 301, impurities on the slicer 301 will be cleaned. When the cleaning sponge 702 slides on the slicer 301, the slices attached to the slicer 301 will be wiped off together to achieve separation.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A puncture needle sample slice preparation device, comprising a slice base member (1), on which an angle positioning member (2) is mounted, characterized in that: The slicing base member (1) is used to locate the rotation angle of the angle positioning member (2); a slicing portion (3) is mounted on the angle positioning member (2); the slicing portion (3) is used to slice the sample; A descending switch component (4) is installed on the angle positioning component (2), and the descending switch component (4) is used to control exhaust; A slicing control component (5) is installed on the descending switch component (4); A slice detection component (6) is installed on the angle positioning component (2); the slice detection component (6) is used to detect the slice cross section; the slice control component (5) is used to control the slice detection component (6); A cleaning segmented component (7) is installed on the slicing detection component (6), and the cleaning segmented component (7) is used to clean the slicing portion (3); The slicing base member (1) comprises: a mounting base (101) and positioning bolts (102); a dovetail groove is provided at the bottom of the mounting base (101); the mounting base (101) is used for mounting on a slicer; the top of the mounting base (101) is an arc-shaped structure; two positioning bolts (102) are threadedly connected to the mounting base (101), and the two positioning bolts (102) respectively pass through the mounting base (101).

2. The puncture needle sample slice preparation device according to claim 1, characterized in that: The slicing base member (1) further comprises: a display (103) and an arc-shaped slide bar (104); the arc-shaped slide bar (104) is fixedly mounted on the top of the mounting base (101); and the display (103) is fixedly mounted on the mounting base (101).

3. The puncture needle sample slice preparation device according to claim 2, characterized in that: The angle positioning member (2) comprises: a cutter connection block (201), a liquid storage tank (2011), an air guide tube (202) and an electric heating plate (204); the bottom of the cutter connection block (201) is attached to the top of the mounting base (101); the cutter connection block (201) is slidably connected to the arc-shaped slide bar (104); a liquid storage tank (2011) is provided on the cutter connection block (201); water is stored in the liquid storage tank (2011); an air guide tube (202) is fixedly mounted on the cutter connection block (201), and the air guide tube (202) is connected to the liquid storage tank (2011); an electric heating plate (204) is fixedly mounted in the liquid storage tank (2011), and the electric heating plate (204) is externally connected to a power source; the liquid storage tank (2011) is used to generate water vapor; and three plug holes are provided on the side of the cutter connection block (201).

4. The puncture needle sample slice preparation device according to claim 3, characterized in that: The slicing part (3) comprises: a slicing knife (301), a steam exhaust port (3011), a collecting slot (3012), an air jet anti-sticking slot (3013), a plug-in positioning column (302), a positioning tension spring (303), a shielding net (304) and a guide plate (305); the slicing knife (301) is slidably mounted on the slicing knife connecting block (201); a steam exhaust port (3011) is provided on the slicing knife (301); the steam exhaust port (3011) exhausts air upward; the end of the air guide pipe (202) is fixedly mounted on the slicing knife (301); the steam exhaust port (3011) is connected to the air guide pipe (202); a blade is provided on the top of the slicing knife (301); a collecting slot (3012) is provided on the slicing knife (301), and the collecting slot (3012) is used to collect fine-cut samples; the slicing knife (301) is provided with an air jet The anti-sticking groove (3013) is provided with an air jet anti-sticking groove (3013), and the air jet anti-sticking groove (3013) is connected to an electric fan through a hose; a plug-in positioning column (302) is slidably plugged on the slicing knife (301), and the plug-in positioning column (302) is plugged into the socket on the cutter connecting block (201); a positioning tension spring (303) is sleeved on the plug-in positioning column (302); an end of the positioning tension spring (303) is fixedly mounted on the slicing knife (301), and the other end of the positioning tension spring (303) is fixedly mounted on the plug-in positioning column (302); a handle is provided on the top of the plug-in positioning column (302); a shielding net (304) is embedded on the air jet anti-sticking groove (3013), and the air jet anti-sticking groove (3013) is flush with the outer side of the slicing knife (301); a guide plate (305) is fixedly mounted on the outer side of the slicing knife (301), and the guide plate (305) is located above the collecting groove (3012).

5. The puncture needle sample slice preparation device according to claim 4, characterized in that: The descending switch member (4) comprises: a descending sliding shaft (401) and a tension spring (402); two descending sliding shafts (401) are slidably mounted on the cutter connecting block (201), and the two descending sliding shafts (401) are respectively sleeved with tension springs (402); the ends of the two tension springs (402) are respectively fixedly mounted on the descending sliding shafts (401), and the other ends of the two tension springs (402) are respectively fixedly mounted on the cutter connecting block (201).

6. The device for preparing puncture needle sample slices according to claim 5, characterized in that: The descending switch member (4) further comprises: a baffle (403) and a lower pressing frame (404); the baffle (403) is fixedly mounted on the two descending sliding shafts (401); the baffle (403) is attached to the front side of the slicing knife (301); the baffle (403) is used to close the steam exhaust port (3011); the lower pressing frame (404) is fixedly mounted on the baffle (403); the lower pressing frame (404) is located at the bottom of the slicer wax block holder.

7. The puncture needle sample slice preparation device according to claim 5, characterized in that: The slicing control component (5) comprises: a control connection disk (501), a micro switch (502) and a fixing plate (503); the control connection disk (501) is fixedly mounted on the bottom of the descending sliding shaft (401) opposite to the air guide tube (202); the micro switch (502) is fixedly mounted on the control connection disk (501); the fixing plate (503) is fixedly mounted on the cutter connection block (201); and the fixing plate (503) is located above the micro switch (502).

8. The device for preparing puncture needle sample slices according to claim 7, characterized in that: The slice detection member (6) comprises: a detection connection tube (601), a drive motor (602), a bidirectional lead screw (603) and a movable slider (604); the detection connection tube (601) is fixedly mounted on the cutter connection block (201) via a bracket; a drive motor (602) is fixedly mounted on the side of the detection connection tube (601), and the output shaft of the drive motor (602) passes through the detection connection tube (601); a bidirectional lead screw (603) is fixedly mounted on the output shaft of the drive motor (602), and the bidirectional lead screw (603) is rotatably mounted on the detection connection tube (601); a bidirectional thread is provided on the bidirectional lead screw (603); a movable slider (604) is threadedly connected to the bidirectional lead screw (603), and the movable slider (604) is slidably mounted on the detection connection tube (601); the micro switch (502) is electrically connected to the drive motor (602).

9. The puncture needle sample slice preparation device according to claim 8, characterized in that: The slice detection component (6) further comprises: a detection spring (605), a micro pressure sensor (606) and a sliding column (607); the detection spring (605) is sleeved inside the movable slider (604); the movable slider (604) is slidably sleeved with the micro pressure sensor (606), and the micro pressure sensor (606) is attached to the detection spring (605); the movable slider (604) is slidably mounted with a sliding column (607), and the sliding column (607) is attached to the micro pressure sensor (606); the micro pressure sensor (606) is externally connected to a display (103).

10. The puncture needle sample slice preparation device according to claim 8, characterized in that: The cleaning segmented member (7) comprises: a cleaning steel sheet (701) and a cleaning sponge (702); the cleaning steel sheet (701) is fixedly mounted on the bottom of the movable slider (604); a cleaning sponge (702) is fixedly mounted on the bottom of the cleaning steel sheet (701); and the cleaning sponge (702) is attached to the top edge of the slicing knife (301).

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