CN217020633U

CN217020633U - Freezing microtome with limiting structure for preparing experimental frozen section

Info

Publication number: CN217020633U
Application number: CN202123075858.9U
Authority: CN
Inventors: 李若铭; 王淦
Original assignee: Nanjing Pusheng Biomedical Technology Co ltd
Current assignee: Nanjing Pusheng Biomedical Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-07-22
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a freezing microtome with a limiting structure for preparing experimental frozen sections, which comprises a workbench, a servo motor and the limiting structure, wherein slide rails are symmetrically arranged on the surface of the top of the workbench, and a sliding table is arranged on the surface of each slide rail in a sliding manner. According to the utility model, the limiting structure, the supporting frame, the threaded limiting rod, the limiting plate, the threaded sleeve, the anti-slip pad and the rotating handle are arranged, the rotating handle is rotated to drive the threaded limiting rod to rotate, the threaded limiting rod is rotated forwards through the threaded matching of the threaded limiting rod and the threaded sleeve, so that the tail end of the threaded limiting rod drives the push plate to move forwards, the experimental sample is limited and clamped and fixed through the push plate, and the anti-slip pad is used for preventing the experimental sample from deviating and slipping in the slicing process, so that the limiting effect on the experimental sample is realized, the slicing effect of the freezing slicer is ensured, and the practicability of the device is improved.

Description

Freezing slicer with limiting structure for preparing experiment frozen section

Technical Field

The utility model relates to the technical field of freezing microtomes, in particular to a freezing microtome with a limiting structure for preparing experimental frozen sections.

Background

The freezing microtome is a medical instrument, is mainly used for pathological quick diagnosis of fresh tissues in an operation, determines the nature of pathological changes, whether tumors have metastasis or not and whether pathological changes exist at the cut stump, and provides a reliable basis for surgical treatment, so that high-quality freezing sections and quick slice output are important, and a pathology technician is required to be skilled in mastering key points and various tissue components of the freezing sections in the freezing section process, and the freezing microtome for preparing the experimental freezing sections with the limiting structure is provided to assist in solving related problems.

The defects of the existing freezing microtome are as follows:

1. patent document CN213180947U discloses a novel freezing slicer, belong to the medical equipment field, "including the base, the upper portion of base is equipped with protects the cutting board, one side of protecting the cutting board is equipped with prevents the package assembly, be used for moving to the protection cutting board top when the section and realize preventing rolling up, the upper surface of protecting the cutting board is equipped with prevents the package assembly, prevent the package assembly including fixed adjusting knob and prevent the book silk, the middle part of preventing the book silk is fixed on fixed adjusting knob, and two ends extend and unsettled to section position direction, during the section, prevent the book silk and be located the protection cutting board and prevent between the package assembly, and leave the clearance with protecting the cutting board and preventing the package assembly respectively, or the opposite side of protecting the cutting board is equipped with the package assembly of preventing installed in the base. The anti-rolling wire is arranged, so that the cut thin sheet can be exactly pressed at the edges by the two tail ends of the anti-rolling wire, the cut thin sheet is effectively prevented from being rolled when the anti-rolling plate is taken away, the adsorption of a sample part in the thin sheet and a glass slide is not influenced, the quality of the cut thin sheet is ensured, the times of cutting and the loss of a blade are reduced, but the freezing slicer is used for cutting the thin sheet, the slicing process is lack of a structure for limiting the experimental sample, the displacement of the experimental sample is caused in the slicing process, and the slicing effect of the experimental sample is influenced.

2. At present to the in-process of experiment frozen section preparation, carry out sliced device because of lacking the automation to the experimental sample, the most all utilizes the manpower to carry out the experiment section, wastes time and energy, influences sliced efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a freezing microtome with a limiting structure for preparing experimental frozen sections, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a freezing microtome with a limiting structure for preparing experimental frozen sections comprises a workbench, a servo motor and the limiting structure, wherein slide rails which are symmetrically arranged are arranged on the surface of the top of the workbench, and a sliding table is arranged on the surface of each slide rail in a sliding manner;

the top surface of the sliding table is provided with a limiting structure, the limiting structure comprises a supporting frame, a threaded limiting rod, a limiting plate, a threaded sleeve, an anti-skid pad and a rotating handle, the supporting frame is arranged on the top surface of the sliding table, the threaded sleeve penetrates through the front surface of the supporting frame, the threaded limiting rod is sleeved on the inner surface of the threaded sleeve, the limiting plate is arranged at the tail end of the threaded limiting rod, and the anti-skid pad is arranged on the rear wall of the supporting frame;

the top of workstation is installed the motor casing, and the motor casing is located one side of slide rail.

Preferably, the top surface mounting of workstation has servo motor, and servo motor is located the inside of motor casing, servo motor's output is connected with the lead screw, and the tail end of lead screw runs through the outside that extends to the sliding stand.

Preferably, the back surface of the workbench is provided with an L-shaped supporting plate, the supporting plate is located on one side of the sliding table, the bottom surface of the supporting plate is provided with a stabilizing block, the bottom surface of the stabilizing block is provided with a linear motor, and the output end of the linear motor is connected with a push rod.

Preferably, a cutter holder is installed on the surface of the bottom of the push rod, a slicing knife is installed at the bottom of the cutter holder, and the slicing knife is located above the workbench.

Preferably, the bottom surface of the workbench is provided with supporting legs.

Preferably, a bracket is installed on the surface of the top of the workbench, a spray gun is sleeved on the inner surface of the bracket, and one end of the spray gun is connected with an air guide pipe.

Preferably, the tail end of the air guide pipe is provided with a cold air tank, and the tail end of the air guide pipe extends into the cold air tank.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with a limiting structure which comprises a supporting frame, a thread limiting rod, a limiting plate, a thread sleeve, an anti-slip pad and a rotating handle, wherein the rotating handle is rotated to drive the thread limiting rod to rotate, and then the thread limiting rod is rotated forwards through the thread matching of the thread limiting rod and the thread sleeve, so that the tail end of the thread limiting rod drives a push plate to move forwards, an experimental sample is limited and clamped and fixed through the push plate, and the anti-slip pad is used for preventing the experimental sample from deviating and slipping in the slicing process.

2. According to the automatic slicing machine, the servo motor, the screw rod, the sliding table, the linear motor, the push rod, the cutter holder and the slicing cutter are arranged, the screw rod is driven to rotate through the output end of the servo motor, then the sliding table is driven to do linear motion by utilizing the principle of the screw rod, the limiting structure is driven to move through the movement of the sliding table, the push rod is driven to move downwards through the output end of the linear motor, the cutter holder is driven to move downwards through the push rod, the slicing cutter is driven to move downwards to slice an experimental sample on the limiting structure, and the experimental sample is automatically sliced through the slicing machine.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic view of a position-limiting structure of the present invention;

fig. 4 is a schematic structural diagram of the stabilizing block, the linear motor, the push rod, the knife holder and the slicing knife of the present invention.

In the figure: 1. a work table; 2. a motor casing; 3. a servo motor; 4. a limiting structure; 401. a support frame; 402. a threaded stop bar; 403. a limiting plate; 404. a threaded sleeve; 405. a non-slip mat; 406. a handle is rotated; 5. a support plate; 6. a screw rod; 7. a sliding table; 8. a stabilizing block; 9. a linear motor; 10. a push rod; 11. a knife holder; 12. a slicing knife; 13. a slide rail; 14. a cold gas tank; 15. a gas-guide tube; 16. a spray gun.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1, 2 and 4, a freezing microtome with a limiting structure for preparing an experimental frozen section comprises a workbench 1, a servo motor 3 and a limiting structure 4, wherein slide rails 13 are symmetrically arranged on the top surface of the workbench 1, and a slide table 7 is slidably arranged on the surface of the slide rail 13;

specifically, come to provide the space for experimental sample's section work through workstation 1, can lead supporting role to sliding stand 7 through slide rail 13 to guarantee limit structure 4's steady removal.

As shown in fig. 3, a frozen microtome with a limiting structure for preparing experimental frozen sections, including limiting structure 4, limiting structure 4 is installed on the top surface of sliding table 7, limiting structure 4 is including support frame 401, screw thread gag lever post 402, limiting plate 403, thread bush 404, non-slip mat 405 and turning handle 406, support frame 401 is installed on the top surface of sliding table 7, thread bush 404 is installed in the front of support frame 401 through, screw thread gag lever post 402 has been cup jointed to the internal surface of thread bush 404, limiting plate 403 is installed to the tail end of screw thread gag lever post 402, non-slip mat 405 is installed to the rear wall of support frame 401.

Specifically, before slicing the experimental sample, it is spacing and fixed to carry out the experimental sample through limit structure 4 earlier, later drive screw thread gag lever post 402 through rotating turning handle 406 and rotate, rethread screw thread gag lever post 402 and thread bush 404's screw-thread fit, make screw thread gag lever post 402 rotate to the place ahead, thereby make its tail end drive limiting plate 403 move ahead, come to carry out spacing and centre gripping fixed to the experimental sample through limiting plate 403, rethread slipmat 405 prevents that the experimental sample from going out the condition that the skew skidded in the in-process that carries out the section, thereby play the limiting displacement to the experimental sample, in order to guarantee microtome's section effect, the practicality of improvement device.

The bottom surface mounting of workstation 1 has the supporting leg, and the top surface mounting of workstation 1 has the bracket, and the internal surface of bracket has cup jointed spray gun 16, and the one end of spray gun 16 is connected with air duct 15, and cold gas jar 14 is installed to the tail end of air duct 15, and the tail end of air duct 15 extends into the inside of cold gas jar 14.

Particularly, support workstation 1 through the supporting leg, guarantee the stable of section work and go on, the air pump of 14 inside cold gas jars can be followed air conditioning jar 14 and extracted air conditioning, and through air duct 15 with the leading-in spray gun 16 of air conditioning, freezes the laboratory sample through 16 blowout air conditioning of spray gun to guarantee laboratory sample's low temperature, prevent to exert an influence to the laboratory sample.

Example two

As shown in fig. 2, a freezing microtome with a limiting structure for preparing experimental frozen sections is provided, a motor casing 2 is arranged on the top of a worktable 1, the motor shell 2 is positioned at one side of the slide rail 13, the top surface of the workbench 1 is provided with a servo motor 3, the servo motor 3 is positioned in the motor shell 2, the output end of the servo motor 3 is connected with a screw rod 6, the tail end of the screw rod 6 extends to the outside of the sliding table 7 in a penetrating way, the back of the working table 1 is provided with an L-shaped supporting plate 5, and the supporting plate 5 is positioned on one side of the sliding table 7, the surface of the bottom of the supporting plate 5 is provided with a stabilizing block 8, the surface of the bottom of the stabilizing block 8 is provided with a linear motor 9, the output end of the linear motor 9 is connected with a push rod 10, the surface of the bottom of the push rod 10 is provided with a cutter holder 11, the bottom of the cutter holder 11 is provided with a slicing cutter 12, and the slicing cutter 12 is positioned above the workbench 1.

Specifically, at the in-process of carrying out the section to the laboratory sample, drive lead screw 6 through servo motor 3's output earlier and rotate, later utilize the principle of lead screw 6 to make sliding table 7 carry out linear motion, it removes to drive limit structure 4 through the removal of sliding table 7, the output of rethread linear motor 9 drives push rod 10 and moves down, thereby it removes to drive through push rod 10 and hold sword 11, and then make slicing knife 12 move down and come to slice the laboratory sample on limit structure 4, thereby it cuts into slices the laboratory sample automatically through this slicer, avoid the manpower to carry out the section and extravagant manpower and materials to the laboratory sample, reduce staff's work load, thereby improve the efficiency of experiment frozen section preparation.

The working principle is as follows: in-process of using this freezing microtome, before slicing experimental sample, come to carry on spacingly and fixedly to experimental sample through limit structure 4 earlier, later drive screw thread gag lever post 402 through rotating turning handle 406 and rotate, the screw-thread fit of rethread screw thread gag lever post 402 and thread bush 404, make screw thread gag lever post 402 rotate to the place ahead, thereby make its tail end drive limiting plate 403 and move ahead, come to carry on spacingly and the centre gripping is fixed experimental sample through limiting plate 403, rethread slipmat 405 prevents experimental sample and goes out the condition that the skew skidded at the in-process that carries out the section, thereby play the limiting displacement to experimental sample, with the section effect of guaranteeing freezing microtome, improve device's practicality.

In the process of slicing the experimental sample, the screw rod 6 is driven to rotate through the output end of the servo motor 3, then the sliding table 7 is driven to move linearly by utilizing the principle of the screw rod 6, the limiting structure 4 is driven to move through the movement of the sliding table 7, the push rod 10 is driven to move downwards through the output end of the linear motor 9, the knife holder 11 is driven to move downwards through the push rod 10, the slicing knife 12 is driven to move downwards to slice the experimental sample on the limiting structure 4, the experimental sample is automatically sliced through the slicing machine, manpower and material resources which are wasted when the experimental sample is sliced are avoided, the workload of workers is reduced, and the preparation efficiency of the experimental frozen slice is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a frozen slicer is used in preparation of experiment frozen section with limit structure, includes workstation (1), servo motor (3) and limit structure (4), its characterized in that: the top surface of the workbench (1) is provided with symmetrically arranged slide rails (13), and the surface of each slide rail (13) is provided with a sliding table (7) in a sliding manner;

the top surface of the sliding table (7) is provided with a limiting structure (4), the limiting structure (4) comprises a support frame (401), a thread limiting rod (402), a limiting plate (403), a thread sleeve (404), an anti-slip pad (405) and a rotating handle (406), the support frame (401) is arranged on the top surface of the sliding table (7), the thread sleeve (404) is installed on the front surface of the support frame (401) in a penetrating mode, the thread limiting rod (402) is sleeved on the inner surface of the thread sleeve (404), the limiting plate (403) is installed at the tail end of the thread limiting rod (402), and the anti-slip pad (405) is installed on the rear wall of the support frame (401);

motor casing (2) are installed at the top of workstation (1), and motor casing (2) are located one side of slide rail (13).

2. The cryomicrotome for preparing experimental cryosections with a confinement structure of claim 1, wherein: the top surface mounting of workstation (1) has servo motor (3), and servo motor (3) are located the inside of motor casing (2), the output of servo motor (3) is connected with lead screw (6), and the tail end of lead screw (6) runs through the outside that extends to sliding stand (7).

3. The cryomicrotome for preparing experimental cryosections with a confinement structure of claim 1, wherein: the back mounted of workstation (1) has backup pad (5) of L shape, and backup pad (5) are located one side of sliding stand (7), the bottom surface mounting of backup pad (5) has firm piece (8), the bottom surface mounting of firm piece (8) has linear electric motor (9), the output of linear electric motor (9) is connected with push rod (10).

4. The cryomicrotome for preparing experimental cryosections with a confinement structure of claim 3, wherein: the bottom surface mounting of push rod (10) has sword holder (11), slicing knife (12) are installed to the bottom of sword holder (11), and slicing knife (12) are located the top of workstation (1).

5. The cryomicrotome according to claim 1 for preparing laboratory frozen sections with a confining structure, characterized in that: the bottom surface of the workbench (1) is provided with supporting legs.

6. The cryomicrotome for preparing experimental cryosections with a confinement structure of claim 1, wherein: the top surface mounting of workstation (1) has the bracket, spray gun (16) have been cup jointed to the internal surface of bracket, the one end of spray gun (16) is connected with air duct (15).

7. The cryomicrotome for preparing experimental cryosections with a confinement structure of claim 6, wherein: the tail end of the air duct (15) is provided with a cold air tank (14), and the tail end of the air duct (15) extends into the cold air tank (14).