Tissue frozen section device convenient to adjust

Abstract

The utility model discloses a tissue frozen section device convenient to adjust, which comprises a section box, a motor is fixedly arranged at the top end of the section box, the motor is connected with a threaded rod through a coupler, the threaded rod vertically penetrates through a first barrel, the bottom end of the threaded rod is rotatably arranged at the bottom of the inner side of the section box through a bearing seat, and a groove body is arranged in the first barrel. The first rod body is inserted into a groove body in the first cylinder, one end of the first rod body is fixedly connected with a slicing knife through a screw, the other end of the slicing knife is fixedly connected with a second rod body through a screw, and a fixed table is fixedly installed at the bottom of the inner side of the slicing box below the slicing knife; second electric push rods are symmetrically installed on the front side and the rear side of the upper end of the movable table, the telescopic ends of the second electric push rods are fixedly connected with push plates, switches of the first electric push rods are arranged, the first electric push rods push the movable table to be clamped to the fixed table to move front and back, and the thickness and size of slices are adjusted.

Description

Technical Field

[0001] The utility model relates to a slicing device, in particular to a conveniently adjustable tissue freezing slicing device. Background Art

[0002] Frozen sections are a method of slicing tissue after it reaches a certain hardness through low temperatures. Frozen sections can preserve the antigens and enzyme activity of tissues very well, and are therefore widely used in rapid clinical pathological diagnosis and scientific research on diseases.

[0003] The existing push-pull microtome is mainly used to slice paraffin tissue. The operation setting of the sample stage of the microtome is usually: the operator uses the left hand to adjust the knob to control the lifting and lowering of the sample, the left hand to operate the pusher to control the thickness of the slice, and the right hand to push and pull the knife stage to move the knife holder for slicing. Only very skilled technicians can accurately and skillfully adjust the relative distance between the tissue surface and the slicer. Otherwise, the tissue is easily damaged during trimming, and large slices are prone to uneven force during slicing, resulting in uneven slice thickness. Utility Model Content

[0004] The purpose of the utility model is to provide a conveniently adjustable tissue freezing sectioning device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A conveniently adjustable tissue freezing section device comprises a section box, a motor is fixedly installed on the top of the section box, the motor is connected to a threaded rod through a coupling, the threaded rod vertically penetrates a first cylinder, the first cylinder is provided with a threaded hole threadedly connected to the threaded rod, the bottom end of the threaded rod is rotatably installed on the bottom inner side of the section box through a bearing seat, a groove is provided inside the first cylinder, the first rod is inserted into the groove inside the first cylinder, one end of the first rod is fixedly connected to a sectioning knife by a screw, the other end of the sectioning knife is fixedly connected to a second rod by a screw, the second cylinder is provided with a groove, and the second rod Insert the second cylinder into the internal groove body, the other end of the second cylinder is vertically penetrated by the guide rod, the contact surface between the second cylinder and the guide rod is smooth, a fixed platform is fixedly installed at the bottom of the inner side of the slicing box below the slicing knife, the top of the fixed platform is provided with an opening, U-shaped card grooves are provided on both sides of the bottom of the movable platform, the rear end of the movable platform is fixedly connected to the telescopic end of the first electric push rod, the base of the first electric push rod is fixedly installed on the rear inner wall of the slicing box by bolts, the left and right sides of the movable platform are provided with openings for blade cutting, the second electric push rods are symmetrically installed on the front and rear sides of the upper end of the movable platform, and the telescopic end of the second electric push rod is fixedly connected to the push plate.

[0007] As a further solution of the utility model: support legs are symmetrically installed on both sides of the bottom end of the slicing box.

[0008] As a further solution of the utility model: a first hole is opened on the front surface of the first rod body, a second hole is opened on the front surface of the first cylinder body, the first hole and the second hole are adapted to each other, and the first hole and the second hole are fixed by positioning pins.

[0009] As a further solution of the utility model: a first hole is opened on the front surface of the second rod body, a second hole is opened on the front surface of the second cylinder body, the first hole and the second hole are adapted to each other, and the first hole and the second hole are fixed by positioning pins.

[0010] As a further solution of the utility model: the U-shaped slot is slidably connected to the top opening of the fixing platform.

[0011] As a further solution of the utility model: a switch is fixedly installed on the top of the slice box, and the switch is electrically connected to the motor, the first electric push rod, and the second electric push rod through a wire.

[0012] As a further solution of the utility model: the slicing box has a door hingedly connected to the door, an observation window is provided at the front end of the door, and a handle is fixedly installed at one side of the door.

[0013] As a further solution of the utility model: first sliding blocks are symmetrically fixedly installed on both sides of the bottom end of the push plate, and the first sliding blocks are slidably connected to the sliding grooves, and the sliding grooves are opened on both sides below the top of the moving platform.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The first rod body and the second rod body on both sides above the moving platform are inserted into the first cylinder body and the second cylinder body and fixed by a latch to adjust the length of the slicing knife.

[0016] 2. Set the switch of the first electric push rod. The first electric push rod pushes the movable table to move forward and backward on the fixed table to adjust the thickness and size of the slices. The slices are observed through the observation window and the movable table moves forward and backward to achieve uniform slicing or adjust the slice thickness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of a tissue freezing section device for easy adjustment.

[0018] Figure 2 Cross-sectional view of the tissue cryosectioning device for easy adjustment.

[0019] Figure 3 Top view of the movable stage in the tissue cryosectioning apparatus for easy adjustment.

[0020] Figure 4Side view of the movable stage in the tissue cryosectioning apparatus for easy adjustment.

[0021] In the figure: 1. slicing box; 2. supporting legs; 3. guide rod; 4. threaded rod; 5. first cylinder; 6. first rod; 7. slicing knife; 8. second rod; 9. second cylinder; 10. motor; 11. fixed table; 12. moving table; 13. first electric push rod; 14. second electric push rod; 15. push plate; 16. slide groove; 17. first slider; 18. switch; 19. box door; 20. handle; 21. observation window; 22. first hole; 23. second hole; 24. positioning pin; 25. U-shaped slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4 In the embodiment of the utility model, a conveniently adjustable tissue freezing section device includes a section box 1, a support leg 2, a guide rod 3, a threaded rod 4, a first cylinder 5, a first rod 6, a section knife 7, a second rod 8, a second cylinder 9, a motor 10, a fixed platform 11, a movable platform 12, a first electric push rod 13, a second electric push rod 14, a push plate 15, a slide groove 16, a first slider 17, a switch 18, a box door 19, a handle 20, an observation window 21, a first hole 22, a second hole 23, a positioning pin 24, and a U-shaped slot 25. Support legs 2 are symmetrically installed on both sides of the bottom of the slice box 1, and a motor 10 is fixedly installed on the top of the slice box 1. The motor 10 is connected to a threaded rod 4 through a coupling. The threaded rod 4 vertically penetrates the first cylinder 5. The first cylinder 5 is provided with a threaded hole threadedly connected to the threaded rod 4. The bottom end of the threaded rod 4 is rotatably installed at the bottom of the inner side of the slice box 1 through a bearing seat. A groove is provided inside the first cylinder 5. The first rod 6 is inserted into the groove inside the first cylinder 5. A first hole 22 is provided on the front surface of the first rod 6. A second hole 23 is provided on the front surface of the first cylinder 5. The first hole 22 and the second hole 23 are adapted to each other. The first hole 22 and the second hole 23 are fixed by a positioning pin 24.

[0024] One end of the first rod body 6 is fixedly connected to the slicing knife 7 by a screw, and the other end of the slicing knife 7 is fixedly connected to the second rod body 8 by a screw. A groove is provided inside the second cylinder 9, and the second rod body 8 is inserted into the groove inside the second cylinder 9. A first hole 22 is provided on the front surface of the second rod body 8, and the other end of the second cylinder 9 is vertically penetrated by the guide rod 3. The contact surface between the second cylinder 9 and the guide rod 3 is smooth. A second hole 23 is provided on the front surface of the second cylinder 9, and the first hole 22 and the second hole 23 are adapted to each other. The first hole 22 and the second hole 23 are fixed by a positioning pin 24. The length of the slicing knife 7 can be adjusted by inserting the first rod body 6 and the second rod body 8 into the first cylinder 5 and the second cylinder 9, and the slicing knife 7 can be disassembled by providing screw holes in the second rod body 6 and the second rod body 8;

[0025] A fixed platform 11 is fixedly installed at the bottom inner side of the slicing box 1 below the slicing knife 7, and an opening is provided at the top of the fixed platform 11. U-shaped slots 25 are provided on both sides of the bottom end of the movable platform 12, and the U-shaped slots 25 are slidably connected to the top opening of the fixed platform 11. The rear end of the movable platform 12 is fixedly connected to the telescopic end of the first electric push rod 13, and the base of the first electric push rod 13 is fixedly installed on the rear inner wall of the slicing box 1 by bolts. Openings are provided on the left and right sides of the movable platform 12 for blade cutting. Second electric push rods 14 are symmetrically installed on the front and back sides of the upper end of the movable platform 12, and the telescopic end of the second electric push rod 14 is fixedly connected to a push plate 15, and first sliders 17 are symmetrically fixedly installed on both sides of the bottom end of the push plate 15, and the first slider 17 is slidably connected to a slide groove 16, and the slide groove 16 is provided on both sides below the top of the movable platform 12.

[0026] A switch 18 is fixedly installed on the top of the slice box 1, and the switch 18 is electrically connected to the motor 10, the first electric push rod 13, and the second electric push rod 14 through a wire.

[0027] The slicing box 1 is hinged with a box door 19 through a hinge, an observation window 21 is provided at the front end of the box door 19, and a handle 20 is fixedly installed at one side of the box door 19.

[0028] The working principle of the utility model is:

[0029] The medical staff places the sliced ​​tissue on the middle of the top of the moving platform 12, connects the switch 18 to the external power supply through a wire, turns on the switches 18 of the second electric push rods 14 at both ends of the moving platform 12, and the telescopic ends of the second electric push rods 14 drive the push plate 15 to move toward the center to clamp the frozen slices. Then the medical staff inserts the first rod body and the first cylinder body 8 on both sides of the upper side of the moving platform 12 into the first cylinder body 5 and the second rod body 9 and fixes them through the latch to adjust the length of the slicer 7. Then the two ends of the slicer 7 are fixed to the first rod body and the first cylinder body 8 by bolts, and then the switch 18 of the motor 10 is turned on. The switch 18 controls the motor 10 to rotate, and the motor 10 The threaded rod 4 is driven to rotate left and right, the threaded rod 4 is rotatably connected to the first cylinder 5, the first cylinder 5 is plugged into the first rod 6, the first rod 6 fixes one end of the slicing knife 7, the other end of the slicing knife 7 is connected to the second rod 8, the second rod 8 is plugged into the second cylinder 9, and the second cylinder 9 is movably connected to the guide rod 3 to realize the up and down movement of the entire slicing knife 7. When the slice size needs to be adjusted, the switch 18 of the first electric push rod 13 is turned on, and the first electric push rod 13 pushes the movable platform 12 to move forward and backward on the fixed platform 11 to adjust the slice size. The slice is observed through the observation window 21 and the movable platform 12 moves forward and backward to achieve uniform slicing or adjust the slice thickness.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A conveniently adjustable tissue freezing section device, comprising a sectioning box (1), a first rod (6), a second rod (8), a second cylinder (9) and a moving platform (12), characterized in that: The top of the slice box (1) is fixedly installed with a motor (10), and the motor (10) is connected to a threaded rod (4) through a coupling. The threaded rod (4) vertically penetrates the first cylinder (5), and the first cylinder (5) is provided with a threaded hole threadedly connected to the threaded rod (4). The bottom end of the threaded rod (4) is rotatably installed on the bottom of the inner side of the slice box (1) through a bearing seat. The first cylinder (5) is provided with a groove, and the first rod (6) is inserted into the groove inside the first cylinder (5). One end of the first rod (6) is fixedly connected to a slicer (7) by a screw, and the other end of the slicer (7) is fixedly connected to a second rod (8) by a screw. The second cylinder (9) is provided with a groove, and the second rod (8) is inserted into the groove inside the second cylinder (9). The other end of the cylinder (9) is vertically penetrated by the guide rod (3), and the contact surface between the second cylinder (9) and the guide rod (3) is smooth. A fixed platform (11) is fixedly installed at the bottom of the inner side of the slicing box (1) below the slicing knife (7), and an opening is arranged at the top of the fixed platform (11). U-shaped card slots (25) are arranged on both sides of the bottom of the movable platform (12). The rear end of the movable platform (12) is fixedly connected to the telescopic end of the first electric push rod (13). The base of the first electric push rod (13) is fixedly installed on the inner wall of the rear side of the slicing box (1) by bolts. The left and right sides of the movable platform (12) are opened for blade cutting. The second electric push rods (14) are symmetrically installed on the front and rear sides of the upper end of the movable platform (12), and the telescopic end of the second electric push rod (14) is fixedly connected to the push plate (15).

2. The conveniently adjustable tissue freezing section device according to claim 1, characterized in that: A first hole (22) is formed on the front surface of the first rod body (6), and a second hole (23) is formed on the front surface of the first cylinder body (5). The first hole (22) and the second hole (23) are adapted to each other, and the first hole (22) and the second hole (23) are fixed by a positioning pin (24).

3. The conveniently adjustable tissue freezing section device according to claim 1, characterized in that: The front surface of the second rod body (8) is provided with a first hole (22), and the front surface of the second cylinder body (9) is provided with a second hole (23). The first hole (22) and the second hole (23) are adapted to each other, and the first hole (22) and the second hole (23) are fixed by a positioning pin (24).

4. The conveniently adjustable tissue freezing section device according to claim 1, characterized in that: The U-shaped slot (25) is slidably connected to the top opening of the fixing platform (11).

5. The conveniently adjustable tissue freezing section device according to claim 1, characterized in that: A switch (18) is fixedly installed on the top of the slice box (1), and the switch (18) is electrically connected to the motor (10), the first electric push rod (13), and the second electric push rod (14) through a wire.

6. The conveniently adjustable tissue freezing section device according to claim 1, characterized in that: The slicing box (1) is hingedly connected to a box door (19), an observation window (21) is provided at the front end of the box door (19), a handle (20) is fixedly installed on one side of the box door (19), and support legs (2) are symmetrically installed at the lower end of the slicing box (1).

7. The conveniently adjustable tissue freezing section device according to claim 1, characterized in that: The first sliding blocks (17) are symmetrically fixedly installed on both sides of the bottom end of the push plate (15), and the first sliding blocks (17) are slidably connected to the sliding grooves (16). The sliding grooves (16) are opened on both sides below the top of the moving platform (12).

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