Low-temperature oscillation histotome

Abstract

The invention discloses a low-temperature oscillation histotome, and relates to the technical field of medical instruments. The device comprises a base, a support is fixedly connected to the top of the base, an electric telescopic rod is installed at the top of the support, a lifting plate is fixedly connected to the bottom end of the electric telescopic rod, and a plurality of cutters are detachably installed at the bottom of the lifting plate. Through mutual cooperation of structures such as a worm gear, a worm, a first rack and a clamping plate, baffles and the clamping plate on the two sides can be automatically driven to move towards the middle in the downward moving process of a cutter, biological tissue can be conveniently clamped and fixed from the two sides, the biological tissue is moved to the center position of a placement base, and therefore the biological tissue is conveniently prevented from inclining, and the cutting efficiency is improved. In addition, by means of the elastic rods arranged between the baffles and the clamping plates, a certain elastic space can be provided through the elastic potential energy of the elastic rods in the clamping process, and the clamping plates can be matched with biological tissue of different sizes.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, in particular to a low-temperature oscillating tissue slicer. Background Art

[0002] Sectioning is an indispensable part of the medical testing process. The cut tissue sections are placed under a microscope and dripped with cedar oil to magnify the sections for easy observation. When conducting comparative test observations, it is necessary to ensure that the thickness of the two groups of sliced ​​tissues are similar, so that similar magnifications can be observed under the microscope. The observation data are compared to determine the corresponding pathological conditions. That is, some diseased tissues or organs are treated with various chemicals and burying methods to fix and harden them. They are then cut into thin slices on a microtome, adhered to glass slides, and stained with various colors for examination under a microscope to observe pathological changes and make pathological diagnoses, thereby providing assistance for clinical diagnosis and treatment.

[0003] The existing patent (Announcement No.: CN115556153A) discloses a medical tissue slicing device. When the device is in use, the size of the square groove is fixed. When the biological tissue is smaller than the size of the square groove, the biological tissue is in an active state in the square groove and cannot be positioned during the slicing process, which easily causes the biological tissue to be tilted and causes irregular slicing. For this reason, we propose a low-temperature oscillating tissue slicer. Summary of the invention

[0004] The object of the present invention is to provide a low-temperature oscillating tissue slicer, which can limit and fix biological slices of different sizes during the slicing process to prevent them from tilting.

[0005] To achieve the above object, the present invention provides the following technical solution: a low-temperature oscillating tissue slicer, comprising a base, a bracket fixedly connected to the top of the base, an electric telescopic rod installed on the top of the bracket, a lifting plate fixedly connected to the bottom end of the electric telescopic rod, and a plurality of cutting knives detachably installed on the bottom of the lifting plate;

[0006] The top of the base is fixedly connected with a placement seat, the interior of the placement seat is rotatably connected with a worm wheel, the outer surface of the worm wheel is meshed with a worm, the worm passes through one end of the placement seat and is installed with a first gear, the outer surface of the first gear is meshed with a first rack, and the first rack is fixed on the lifting plate;

[0007] A second gear is installed on the top of the worm wheel, and the second gear coincides with the rotation center of the worm wheel. Second racks are meshed and connected on both sides of the second gear. The top of the second rack passes through the top of the placement seat and is fixedly connected to a baffle. An elastic rod is fixedly connected to the side wall of the baffle, and the other end of the elastic rod is fixedly connected to a clamping plate.

[0008] A mounting groove adapted to the cutter is provided at the bottom of the lifting plate, a storage box is installed at the end of the cutter, a lever is slidably connected to the interior of the storage box, a limiting column is fixedly connected to the side wall of the lever, and the limiting column runs through the storage box, and an elastic member is fixedly connected to the side wall of the lever.

[0009] Furthermore, a controller is provided on the base, and the controller is electrically connected to the electric telescopic rod.

[0010] Furthermore, the plurality of cutters are arranged in a straight line, and cutting grooves adapted to the cutters are provided on both sides of the placement seat.

[0011] Furthermore, the placement seat is configured as a rectangular parallelepiped as a whole, and both ends and the top of the placement seat are configured as openings.

[0012] Furthermore, a receiving cavity is provided inside the placement seat, and the worm wheel and the worm are rotatably connected in the receiving cavity via bearings.

[0013] Furthermore, a square hole matching the first rack is provided on the side wall of the base.

[0014] Furthermore, the number of the second racks is two, and the two second racks are symmetrically distributed with the center point of the second gear as the center of symmetry, and the whole is centrally symmetrical, and a support rod is fixedly connected to the side wall of the second rack, and the support rod is slidably connected to the inner wall of the accommodating cavity.

[0015] Furthermore, the number of the clamping plates is two, and the two clamping plates are symmetrically arranged along the center line of the upper surface of the placement seat as the symmetry axis.

[0016] Furthermore, there are multiple levers, and every two levers form a group for use, and the two levers in a group are arranged symmetrically on the left and right.

[0017] Furthermore, a limiting hole matched with the limiting column is provided on the side wall of the installation groove.

[0018] The present invention has at least the following beneficial effects:

[0019] 1. The present invention can automatically drive the baffles and the splints on both sides to move toward the middle through the cooperation of the worm gear, the worm, the first rack, the splint and other structures when the cutter moves downward, so as to clamp and fix the biological tissue from both sides and move it to the center position of the placement seat, so as to prevent the biological tissue from tilting and causing irregular slicing. In addition, the elastic rod arranged between the baffle and the splint can provide a certain elastic space by utilizing the elastic potential energy of the elastic rod during the clamping process, so that the splint can adapt to biological tissues of different sizes without excessively squeezing the biological tissue, thereby further improving the practicality of the device.

[0020] 2. The present invention can quickly disassemble the cutter through the cooperation of the structures such as the lever, the installation groove, and the limit column, so that it is convenient to disassemble the unnecessary cutter according to the length of the biological tissue to be sliced, and it is also convenient to disassemble, maintain or replace the partially damaged cutter.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention from a first viewing angle;

[0023] Figure 2 It is a stereoscopic schematic diagram of the overall structure of the present invention from a second viewing angle;

[0024] Figure 3 It is a three-dimensional schematic diagram of the placement seat structure of the present invention;

[0025] Figure 4 It is a three-dimensional schematic diagram of the worm gear structure of the present invention from a first viewing angle;

[0026] Figure 5 is a perspective schematic diagram of the worm gear structure of the present invention from a second viewing angle;

[0027] Figure 6 It is a three-dimensional schematic diagram of the cutter structure of the present invention;

[0028] Figure 7 It is a three-dimensional schematic diagram of the limiting column structure of the present invention.

[0029] Reference numerals:

[0030] 1. Base; 2. Bracket; 3. Electric telescopic rod; 4. Lifting plate; 5. Cutter; 6. Placement seat; 7. Worm gear; 8. Worm; 9. First gear; 10. First rack; 11. Second gear; 12. Second rack; 13. Baffle; 14. Elastic rod; 15. Clamp; 16. Mounting slot; 17. Storage box; 18. Push rod; 19. Limit column; 20. Elastic part; 21. Limit hole; 22. Cutting slot; 23. Square hole; 24. Support rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0032] See also Figure 1-7 The present invention provides a technical solution: a low-temperature oscillating tissue slicer, comprising a base 1, a bracket 2 is fixedly connected to the top of the base 1, an electric telescopic rod 3 is installed on the top of the bracket 2, a lifting plate 4 is fixedly connected to the bottom of the electric telescopic rod 3, and a plurality of cutters 5 are detachably installed on the bottom of the lifting plate 4;

[0033] The top of the base 1 is fixedly connected with a placement seat 6, the inside of the placement seat 6 is rotatably connected with a worm wheel 7, the outer surface of the worm wheel 7 is meshed with a worm 8, the worm 8 passes through one end of the placement seat 6 and is installed with a first gear 9, the outer surface of the first gear 9 is meshed with a first rack 10, and the first rack 10 is fixed on the lifting plate 4;

[0034] A second gear 11 is installed on the top of the worm wheel 7, and the second gear 11 coincides with the rotation center of the worm wheel 7. Second racks 12 are meshed and connected on both sides of the second gear 11. The top of the second rack 12 passes through the top of the placement seat 6 and is fixedly connected to a baffle 13. An elastic rod 14 is fixedly connected to the side wall of the baffle 13, and the other end of the elastic rod 14 is fixedly connected to a clamping plate 15.

[0035] A mounting groove 16 adapted to the cutter 5 is provided at the bottom of the lifting plate 4, a storage box 17 is installed at the end of the cutter 5, a lever 18 is slidably connected to the inside of the storage box 17, a limiting column 19 is fixedly connected to the side wall of the lever 18, and the limiting column 19 is arranged through the storage box 17, and an elastic member 20 is fixedly connected to the side wall of the lever 18.

[0036] According to the technical solution of this embodiment, a controller is provided on the base 1, and the controller is electrically connected to the electric telescopic rod 3. The electric telescopic rod 3 is powered by an external power supply. The electric telescopic rod 3 is started by the controller to extend or retract it, which can drive the lifting plate 4 to move up and down.

[0037] With respect to the technical solution of this embodiment, the plurality of cutters 5 are arranged in a straight line, and cutting grooves 22 adapted to the cutters 5 are provided on both sides of the placement seat 6. When the cutter 5 slices the biological tissue downward, the cutter 5 will be stuck in the cutting groove 22, which is convenient for guiding the cutter 5 when it moves downward, thereby enhancing the stability of the cutter 5 when slicing.

[0038] In some embodiments, the overall shape of the placement seat 6 can be set to a rectangular shape, a cylindrical shape or a prism shape. According to the technical solution of this embodiment, the placement seat 6 is set to a rectangular shape as a whole, and the two ends and the top of the placement seat 6 are set to openings, and the sizes of the baffle 13 and the clamping plate 15 are adapted to the openings at both ends.

[0039] Furthermore, there are two clamps 15, and the two clamps 15 are symmetrically arranged along the center line of the upper surface of the placement seat 6 as the symmetry axis, which is convenient for limiting and fixing the biological tissue from both sides to prevent the slices at both ends from collapsing during the slicing process and causing damage to the slices.

[0040] According to the technical solution of this embodiment, an accommodating cavity is opened inside the placement seat 6, and the worm wheel 7 and the worm 8 are rotatably connected in the accommodating cavity through bearings. When the lifting plate 4 moves downward, it will drive the first rack 10 to move downward, thereby driving the first gear 9 to rotate. When the first gear 9 rotates, it will drive the worm 8 to rotate accordingly, thereby driving the worm wheel 7 to rotate.

[0041] Furthermore, a square hole 23 adapted to the first rack 10 is opened on the side wall of the base 1. The square hole 23 is used to conveniently provide a moving space for the first rack 10 to avoid interference.

[0042] According to the technical solution of this embodiment, there are two second racks 12. The two second racks 12 are symmetrically distributed with the center point of the second gear 11 as the center of symmetry. A support rod 24 is fixedly connected to the side wall of the second rack 12, and the support rod 24 is slidably connected to the inner wall of the accommodating cavity. When the worm gear 7 rotates, it will drive the second gear 11 to rotate, and drive the second racks 12 on both sides to move in opposite directions through the second gear 11. When the second rack 12 moves, it will drive the baffles 13 and the splints 15 on both sides to approach or move away from each other at the same time, so as to facilitate the clamping and fixing of biological tissues of different sizes. In addition, the elastic rod 14 arranged between the baffle 13 and the splint 15 can also provide a certain activity space to adapt to biological tissues of different lengths and avoid deformation of biological tissues caused by excessive squeezing.

[0043] According to the technical solution of this embodiment, there are multiple levers 18, and every two levers 18 form a group for use. The two levers 18 in a group are symmetrically arranged, and the side walls of the mounting groove 16 are provided with limiting holes 21 that are compatible with the limiting columns 19. By pinching the levers 18 on both sides to squeeze the elastic member 20, the two levers 18 can be moved toward the middle at the same time, and the limiting columns 19 can be driven to move accordingly, so that the limiting columns 19 can be disengaged from the limiting holes 21, and the cutter 5 can be unlocked, so that a single cutter 5 can be quickly removed from the lifting plate 4, so that it is convenient to remove the unnecessary cutter 5 according to the length of the biological tissue to be sliced, and it is also convenient to disassemble, maintain or replace the partially damaged cutter 5.

[0044] It should be noted that, since the cutters 5 that are not needed have been removed, the remaining cutters 5 are all above the biological tissue, and when the clamping plate 15 clamps the biological tissue from both sides, it will not interfere with the slicing of the cutter 5 on the top.

[0045] The use principle and process of the present invention are as follows: when biological tissue needs to be sliced, the hardened biological tissue is first placed on the placement seat 6, and then the electric telescopic rod 3 is started to extend to drive the lifting plate 4 to move downward. When the lifting plate 4 moves downward, it will drive the first rack 10 to move downward, thereby driving the first gear 9 to rotate. When the first gear 9 rotates, it will drive the worm 8 to rotate accordingly, thereby driving the worm wheel 7 to rotate. When the worm wheel 7 rotates, it will drive the second gear 11 to rotate, and the second racks 12 on both sides are driven to move in opposite directions through the second gear 11. When the second rack 12 moves, it will drive the baffles 13 and the clamping plates 15 on both sides to move closer to or away from each other at the same time. Thereby, it is convenient to clamp and fix biological tissues of different sizes, and the elastic rod 14 arranged between the baffle 13 and the clamping plate 15 can also provide a certain activity space to adapt to biological tissues of different lengths and avoid deformation of biological tissues caused by excessive squeezing. When the cutter 5 needs to be disassembled, the levers 18 on both sides are pinched to squeeze the elastic member 20, so that the two levers 18 can move toward the middle at the same time and drive the limiting column 19 to move accordingly, so that the limiting column 19 can be disengaged from the limiting hole 21, and the cutter 5 can be unlocked, so that a single cutter 5 can be quickly disassembled from the lifting plate 4, and the locally damaged cutter 5 can be disassembled, maintained or replaced.

[0046] 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.

[0047] For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. When an element is referred to as being "assembled on", "installed on", "fixed on" or "set on" another element, it can be directly on the other element or there can also be a centered element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a centered element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and are not intended to be the only implementation method.

[0048] 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.

[0049] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A low temperature oscillating tissue slicer, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a bracket (2), the top of the bracket (2) is equipped with an electric telescopic rod (3), the bottom end of the electric telescopic rod (3) is fixedly connected to a lifting plate (4), and the bottom of the lifting plate (4) is detachably equipped with a plurality of cutters (5); The top of the base (1) is fixedly connected to a placement seat (6), the interior of the placement seat (6) is rotatably connected to a worm wheel (7), the outer surface of the worm wheel (7) is meshingly connected to a worm (8), one end of the worm (8) passing through the placement seat (6) is provided with a first gear (9), the outer surface of the first gear (9) is meshingly connected to a first rack (10), and the first rack (10) is fixed to the lifting plate (4); A second gear (11) is installed on the top of the worm wheel (7), and the second gear (11) coincides with the rotation center of the worm wheel (7); second racks (12) are meshedly connected on both sides of the second gear (11); the top end of the second rack (12) passes through the top of the placement seat (6) and is fixedly connected to a baffle (13); an elastic rod (14) is fixedly connected to the side wall of the baffle (13); and the other end of the elastic rod (14) is fixedly connected to a clamping plate (15); The bottom of the lifting plate (4) is provided with a mounting groove (16) adapted to the cutter (5); a storage box (17) is installed at the end of the cutter (5); a lever (18) is slidably connected to the interior of the storage box (17); a limiting column (19) is fixedly connected to the side wall of the lever (18); the limiting column (19) runs through the storage box (17); and an elastic member (20) is fixedly connected to the side wall of the lever (18).

2. A low temperature oscillating tissue slicer according to claim 1, characterized in that: The base (1) is provided with a controller, and the controller is electrically connected to the electric telescopic rod (3).

3. A low temperature oscillating tissue slicer according to claim 2, characterized in that: The plurality of cutters (5) are arranged in a straight line, and cutting grooves (22) matching the cutters (5) are provided on both sides of the placement seat (6).

4. A low temperature oscillating tissue slicer according to claim 2, characterized in that: The placement seat (6) is configured as a rectangular parallelepiped as a whole, and both ends and the top of the placement seat (6) are configured as openings.

5. A low temperature oscillating tissue slicer according to claim 4, characterized in that: The placement seat (6) is provided with an accommodating cavity inside, and the worm wheel (7) and the worm (8) are both rotatably connected in the accommodating cavity via bearings.

6. A low temperature oscillating tissue slicer according to claim 5, characterized in that: A square hole (23) matching the first rack (10) is provided on the side wall of the base (1).

7. The low temperature oscillating tissue slicer according to claim 5, characterized in that: The number of the second racks (12) is two, and the two second racks (12) are symmetrically distributed with the center point of the second gear (11) as the center, and are centrally symmetrical as a whole. A support rod (24) is fixedly connected to the side wall of the second rack (12), and the support rod (24) is slidably connected to the inner wall of the accommodating cavity.

8. A low temperature oscillating tissue slicer according to claim 7, characterized in that: The number of the clamping plates (15) is two, and the two clamping plates (15) are symmetrically arranged along the center line of the upper surface of the placement seat (6) as the symmetry axis.

9. A low temperature oscillating tissue slicer according to claim 8, characterized in that: There are a plurality of shifting rods (18), two shifting rods (18) form a group for use, and the two shifting rods (18) in a group are arranged symmetrically on the left and right.

10. The low temperature oscillating tissue slicer according to claim 9, characterized in that: A limiting hole (21) adapted to the limiting column (19) is provided on the side wall of the installation groove (16).

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