CN219928350U - Disposable pathological tissue blade and blade box - Google Patents

Abstract

The utility model discloses a disposable pathological tissue blade and a blade box, wherein the disposable pathological tissue blade comprises a blade body and a limiting groove arranged on the blade body, the limiting groove penetrates through the blade body, a notch of the limiting groove is positioned at one end of the blade body in the length direction, the limiting groove extends along the length direction of the blade body, and the blade body and the limiting groove are rectangular. The beneficial effects are that: according to the blade box, the pressing plate is enabled to loosen the extrusion of the disposable pathological tissue blades stacked by slightly lifting the handle frame extrusion spring, then the disposable pathological tissue blades attached to the bottom surface of the inner side box of the blade box slide out of the blade box from the outlet edge by means of the gravity of the disposable pathological tissue blades, in the whole blade taking operation process, only the handle frame is slightly lifted by fingers, the lifting displacement of the handle frame is small, and the blade taking operation of the blade box is greatly facilitated.

Description

Disposable pathological tissue blade and blade box

Technical Field

The utility model relates to the technical field of medical examination equipment, in particular to a disposable pathological tissue blade and a blade box.

Background

The pathological tissue blade is a clinically common disposable medical instrument for cutting off a part of pathological tissue for etiology examination, and because the dosage of the clinical disposable pathological tissue blade is large, the disposable pathological tissue blade is usually placed in a special blade box in a stacked manner, the disposable pathological tissue blade is taken out one by one through the blade box, such as the blade box shown in the patent with application numbers of CN202222590484.2 and CN202222590450.3, the disposable pathological tissue blade is pushed out of the blade box by sliding the sliding cover, the sliding direction of the sliding cover is the length direction of the disposable pathological tissue blade, and the length of the disposable pathological tissue blade is usually longer and not lower than 80mm, so that the sliding cover is required to slide for pushing out the disposable pathological tissue blade from the blade box for a longer distance, which definitely makes the blade taking operation of the blade box inconvenient.

Disclosure of Invention

The utility model mainly aims to provide a disposable pathological tissue blade and a blade box, and aims to solve the problem that the existing blade box is inconvenient to take out a blade.

The utility model provides a disposable pathological tissue blade which comprises a blade body and a limiting groove arranged on the blade body, wherein the limiting groove penetrates through the blade body, a notch of the limiting groove is positioned at one end of the blade body in the length direction, the limiting groove extends along the length direction of the blade body, and the blade body and the limiting groove are rectangular.

In order to solve the above problems, the present utility model also provides a blade box in which a plurality of the aforementioned one-time pathological tissue blades are stacked.

In one embodiment, the blade box comprises an open box body and a box cover which covers the box body;

the outer wall of one end of the box body is provided with an outlet edge, the outlet edge is flush with the inner bottom surface of the box body, a plurality of disposable pathological tissue blades which are stacked are positioned in the box body, and the blade body which clings to the inner bottom surface of the box body slides along the length direction of the blade body and extends out of the box body from the outlet edge;

the box cover is provided with a handle frame in a penetrating manner along the stacking direction of the plurality of disposable pathological tissue blades, one end of the handle frame, which is close to the box body, is fixedly provided with a pressing plate, the pressing plate is connected with the box cover through a spring, the pressing plate is used for pressing and fastening the plurality of stacked disposable pathological tissue blades in the box body under the pushing of the spring, and the handle frame can drive the pressing plate to squeeze the spring by sliding relative to the box cover.

In an embodiment, a limiting plate extending from the bottom of the box body to the box opening of the box body is fixedly arranged in the box body, and a plurality of limiting grooves for the disposable pathological tissue blades which are stacked are sleeved on the limiting plate, and the groove walls of the limiting grooves can be tightly clung to the limiting plate to slide along the stacking direction and the length direction of the blade body.

In one embodiment, the two ends of the disposable pathological tissue blade in the length direction are abutted against the inner wall of the case, and the two ends of the disposable pathological tissue blade in the width direction are not in contact with the inner wall of the case.

In an embodiment, the blade outlet and the limiting plate are respectively arranged at two ends of the box body in the length direction of the blade body, and the blade body clings to the bottom surface of the inner side of the box body, slides along the length direction of the blade body and can be separated from the limiting plate, and extends out of the box body from the blade outlet.

In one embodiment, the cross-sectional shape of the outlet edge is congruent with the cross-sectional shape of the blade body in the width direction.

In an embodiment, be provided with the sawtooth card strip that extends along the pile direction of a plurality of disposable pathological tissue blades on the inner wall of box body, be provided with the draw-in groove on the lid, the draw-in groove can chucking in the everywhere of sawtooth card strip.

In an embodiment, a chute is arranged on the box cover, and when the box cover moves along the stacking direction of the plurality of disposable pathological tissue blades, the wall of the chute is clung to the limiting plate to slide.

In an embodiment, a pressure sensor is arranged on one side of the pressing plate, which faces the disposable pathological tissue blade, the pressure sensor is in pressure connection with the disposable pathological tissue blade, a display screen is arranged on the box cover and used for displaying detection data of the pressure sensor, and the display screen and the pressure sensor are connected with a battery.

The beneficial effects are that: according to the blade box, the pressing plate is enabled to loosen the extrusion of the disposable pathological tissue blades stacked by slightly lifting the handle frame extrusion spring, then the disposable pathological tissue blades attached to the bottom surface of the inner side box of the blade box slide out of the blade box from the outlet edge by means of the gravity of the disposable pathological tissue blades, in the whole blade taking operation process, only the handle frame is slightly lifted by fingers, the lifting displacement of the handle frame is small, and the blade taking operation of the blade box is greatly facilitated.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a disposable pathological tissue blade according to the present utility model;

FIG. 2 is a schematic view of the structure of the blade cartridge of the present utility model;

FIG. 3 is a schematic view of the structure of the case of the present utility model;

FIG. 4 is a second schematic structural view of the case of the present utility model;

FIG. 5 is a schematic view of the structure of the lid of the present utility model;

FIG. 6 is a second schematic structural view of the lid of the present utility model; .

The reference numerals are explained as follows:

1. a case body; 2. a knife edge is formed; 3. a limiting plate; 4. saw tooth clamping strips; 5. a box cover; 6. a clamping groove; 7. a handle rack; 8. a pressing plate; 9. a chute; 10. a spring; 11. a blade body; 12. a limit groove; 13. a display screen; 14. a battery; 15. a pressure sensor; 16. a baffle; 17. a first magnetic stripe; 18. a second magnetic stripe; 19. an inclined plane; 20. and a hinge shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a disposable pathological tissue blade which is specially adapted to the blade box.

Specifically, as shown in fig. 1, the disposable pathological tissue blade comprises a blade body 11 and a limiting groove 12 arranged on the blade body 11, wherein the limiting groove 12 penetrates through the blade body 11, and the design is convenient for limiting the plurality of disposable pathological tissue blades stacked by the limiting plate 3, so that the plurality of disposable pathological tissue blades stacked in the blade box are prevented from being rocked to cause the collision damage of the cutting edges of the disposable pathological tissue blades.

In this embodiment, as shown in fig. 1, the notch of the limiting groove 12 is located at one end of the length direction of the blade body 11, and the limiting groove 12 extends along the length direction of the blade body 11, so that after the limiting plate 3 limits the plurality of disposable pathological tissue blades stacked, the blade body 11 is not affected to move along the length direction of the blade body and slide out of the blade box from the blade outlet edge 2.

Preferably, as shown in fig. 1, the blade body 11 and the limiting groove 12 are rectangular, so that the box body 1 is beneficial to limiting the disposable pathological tissue blades stacked in the box body, the disposable pathological tissue blades are prevented from shaking in the box body 1, meanwhile, the blade edge of the disposable pathological tissue blades can be prevented from touching the inner wall of the box body 1 to damage the blade edge, and the safety of the disposable pathological tissue blades is ensured.

In addition, the utility model also provides a blade box which is used for storing the disposable pathological tissue blades, the pressing plate 8 is enabled to loosen the extrusion of the disposable pathological tissue blades which are stacked by slightly lifting the handle frame 7 to extrude the spring 10, then the disposable pathological tissue blades which are attached to the bottom surface of the inner side box of the blade box slide out of the blade box from the blade outlet edge 2 by the gravity of the disposable pathological tissue blades, and in the whole blade taking operation process, only the handle frame 7 is slightly lifted by fingers, so that the lifting displacement of the handle frame 7 is small, and the blade taking operation of the blade box is greatly facilitated.

Specifically, as shown in fig. 2-6, the blade box comprises an open box body 1 and a box cover 5 covered on the box body 1; as shown in fig. 3 and fig. 4, the outer wall of one end of the box body 1 in the length direction is provided with a blade 2, the blade 2 is horizontally arranged, the blade 2 is flush with the bottom surface of the inner side of the box body 1, so that the disposable pathological tissue blades which are conveniently attached to the bottom surface of the inner side of the box body 1 slide along the length direction and penetrate through the blade 2 to extend out of the box body 1, the blade 2 cannot block the sliding of the disposable pathological tissue blades attached to the bottom surface of the inner side of the box body 1, the length of the blade 2 is equal to the width of the disposable pathological tissue blades, the height of the blade 2 is equal to the thickness of the disposable pathological tissue blades, namely the cross section shape of the blade 2 is equal to the cross section shape of the blade body 11 in the width direction, so that the blade 2 can only output one disposable pathological tissue blade at a time, two stacked disposable pathological tissue blades cannot simultaneously extend out of the blade 2, the accurate blade output of the box is ensured, the disposable pathological tissue blades cannot move in the blade 2 along the length direction, and the blade can not shake in the blade 2.

In this embodiment, a plurality of disposable pathological tissue blades stacked are located in the box body 1, the box body 1 shown in fig. 2-4 is horizontally placed, the opening of the box body 1 is vertically upward, when the disposable pathological tissue blades of the box body 1 are needed to be discharged, the box body 1 is inclined or vertically placed, the discharge edge 2 is downward, and thus the disposable pathological tissue blades attached to the bottom surface of the inner side of the box body 1 slide along the length direction of the self under the action of self gravity to penetrate through the discharge edge 2 and extend out of the box body 1.

Preferably, the inner walls of the case 1 are all smooth to reduce the friction force with the disposable pathological tissue blades, when a certain pressure is applied to the plurality of disposable pathological tissue blades stacked on the inner bottom surface of the case 1, the disposable pathological tissue blades attached to the inner bottom surface of the case 1 cannot slide along the length direction of the disposable pathological tissue blades to penetrate through the knife edge 2 to extend out of the case 1 under the action of the pressure, even if the case 1 is placed obliquely or vertically, the knife edge 2 is downward, the disposable pathological tissue blades attached to the inner bottom surface of the case 1 cannot slide along the length direction of the disposable pathological tissue blades to penetrate through the knife edge 2 to extend out of the case 1 under the action of the pressure, so that when the external force is removed, the disposable pathological tissue blades attached to the inner bottom surface of the case 1 can slide along the length direction of the disposable pathological tissue blades to extend out of the case 1, and the plurality of disposable pathological tissue blades stacked on the inner bottom surface of the case 1 are pressed on the inner bottom surface of the case 1, and the disposable pathological tissue blades attached to the inner bottom surface of the case 1 cannot slide along the length direction of the disposable pathological tissue blades to penetrate through the knife edge 2 to extend out of the case 1 under the action of the pressure.

In this embodiment, as shown in fig. 5 and 6, the lid 5 is slidably penetrated through the handle frame 7 along the stacking direction of the plurality of disposable pathological tissue blades, one end of the handle frame 7 close to the box body 1 is fixedly provided with the pressing plate 8, a finger is used to toggle one end of the handle frame 7 far away from the box body 1 to drive the handle frame 7 to slide on the lid 5 to enable the pressing plate 8 to be close to the lid 5, the pressing plate 8 is connected with the lid 5 through the spring 10, the pressing plate 8 presses the spring 10 when being close to the lid 5, if the spring 10 is further compressed, the pressing plate 8 can not press the plurality of disposable pathological tissue blades stacked in the box body 1, after the finger releases the handle frame 7, the spring 10 can push the pressing plate 8 to reset and keep away from the lid 5, and the pressing of the pressing plate 8 to press the plurality of disposable pathological tissue blades stacked in the box body 1 is recovered, therefore, when the fingers do not toggle the handle frame 7 to squeeze the spring 10, the pressing plate 8 keeps squeezing the plurality of disposable pathological tissue blades stacked in the box body 1 for a long time, so that the plurality of disposable pathological tissue blades stacked in the box body 1 are pressed and fixed on the inner bottom surface of the box body 1, even if the box body 1 is inclined or vertically placed at this time, the knife edge 2 is downward, the disposable pathological tissue blades attached to the inner bottom surface of the box body 1 do not slide along the length direction of the knife edge 2 to extend out of the box body 1 under the action of the squeezing pressure of the pressing plate 8, the knife blade box does not go out, when the fingers toggle the handle frame 7 to squeeze the spring 10, the pressing force of the pressing plate 8 to the plurality of disposable pathological tissue blades stacked in the box body 1 disappears, and at this time, the box body 1 is inclined or vertically placed, so that the knife edge 2 is downward, the disposable pathological tissue blade attached to the bottom surface of the inner side of the box body 1 can slide along the length direction of the blade body and penetrate through the blade outlet 2 to extend out of the box body 1 under the action of self gravity, so that the blade box blade outlet is realized.

In this embodiment, the finger is stirred handle frame 7 slightly removes and can make clamp plate 8 to the extrusion force disappearance of a plurality of disposable pathological tissue blades of stacking placement in box body 1, then makes the disposable pathological tissue blade that is attached to the inboard box bottom surface of blade box follow out edge of a knife 2 slip out the blade box with the help of the gravity of disposable pathological tissue blade self, so get blade operation simple and convenient, only need the finger slightly lift handle frame 7 can, handle frame 7 lifting displacement is very little, compare the blade operation of getting of current blade box, it is simple and convenient.

In this embodiment, the pressing plate 8 presses and fixes the plurality of stacked disposable pathological tissue blades in the box body 1 under the pushing of the spring 10, and the handle frame 7 slides relative to the box cover 5, that is, the handle frame 7 in fig. 5 moves up to drive the pressing plate 8 to move up synchronously to squeeze the spring 10, and the pressing force of the pressing plate 8 on the plurality of stacked disposable pathological tissue blades in the box body 1 disappears.

In this embodiment, as shown in fig. 3 and fig. 4, the limiting plate 3 extending from the bottom of the box body 1 to the box opening of the box body 1 is fixed in the box body 1, and the limiting grooves 12 of the plurality of disposable pathological tissue blades stacked are sleeved on the limiting plate 3, so that the limiting plate 3 is convenient for limiting the plurality of disposable pathological tissue blades stacked, so as to prevent the plurality of disposable pathological tissue blades stacked from shaking in the blade box to cause the collision damage of the cutting edges of the disposable pathological tissue blades, and the groove walls of the limiting grooves 12 can be tightly clung to the limiting plate 3 to slide along the stacking direction and the length direction of the blade body 11, so that after the limiting plate 3 limits the plurality of disposable pathological tissue blades stacked, the blade body 11 does not influence the movement along the length direction of the blade body 11 to slide out of the blade box from the blade outlet 2.

Preferably, the two ends of the length direction of the disposable pathological tissue blade are in contact with the inner wall of the box body 1, the two ends of the width direction of the disposable pathological tissue blade are not in contact with the inner wall of the box body 1, and the design is matched with the limiting effect of the limiting plate 3, so that the blade of the disposable pathological tissue blade can be ensured not to collide with the inner wall of the box body 1 to cause blade damage.

In this embodiment, as shown in fig. 3 and fig. 4, the blade outlet 2 and the limiting plate 3 are separately provided at two ends of the box body 1 in the length direction of the blade body 11, the blade body 11 is tightly attached to the bottom surface of the inner side of the box body 1 and slides along the length direction thereof to be separable from the limiting plate 3, and the blade outlet 2 extends out of the box body 1, so that after the limiting plate 3 limits the stacked multiple disposable pathological tissue blades, the blade body 11 is not influenced to move along the length direction thereof and slide out of the blade box from the blade outlet 2.

In this embodiment, further, as shown in fig. 2-6, a plurality of saw tooth clamping strips 4 extending along the stacking direction of a plurality of primary pathological tissue blades are provided on the inner wall of the box body 1, a clamping groove 6 is provided at a corresponding position on the box cover 5, an inclined surface 19 adapted to the saw tooth clamping strips 4 is provided in the clamping groove 6, the box cover 5 can be clamped at each position of the saw tooth clamping strips 4 during the moving process of the box cover 5 along the stacking direction of a plurality of primary pathological tissue blades in the box body 1, therefore, when the box cover 5 is not pressed, the box cover 5 is fixedly connected with the box body 1 through the clamping groove 6 and the saw tooth clamping strips 4, when the number of the primary pathological tissue blades stacked in the box body 1 is reduced more, in order to ensure that the pressing plate 8 can still continuously press and fix the primary pathological tissue blades stacked in the box body 1, the pressing force of the pressing plate 8 to the plurality of disposable pathological tissue blades stacked in the box body 1 can be eliminated by continuously realizing the slight movement of the finger pulling the handle frame 7, the box body 1 can slightly deform in the process of pressing down the box cover 5 to slide along the saw tooth clamping strip 4, so that the box body 1 and the box cover 5 can smoothly slide along the saw tooth clamping strip 4, preferably, the box body 1 and the box cover 5 are manufactured by adopting plastics, the box cover 5 is not pressed against the saw tooth clamping strip 4 through the clamping groove 6 after the box cover 5 is descended to a proper position in the box body 1, the box cover 5 is fixedly connected with the box body 1 by clamping the saw tooth clamping strip 4 through the clamping groove 6, and the box cover 5 is fixedly connected with the box body 1, as shown in figure 2, in addition, the box cover 5 is arranged to be convenient for arranging and selecting the spring 10 according to the requirement, the spring 10 is not required to adopt the spring 10 with larger deformation, the length of the spring 10 can be designed to be shorter, and the box body 1 is not outwards spitted out of the blade in the initial state, the pressure of the pressing plate 8 on the disposable pathological tissue blades stacked in the box body 1 can be designed to be not large, so that the function that the pressing force of the pressing plate 8 on the plurality of disposable pathological tissue blades stacked in the box body 1 is eliminated by slightly moving the handle frame 7 by fingers can be realized conveniently.

In this embodiment, as shown in fig. 3 and fig. 4, after the limiting plate 3 is disposed in the box body 1, the box cover 5 needs to be correspondingly disposed with the sliding groove 9, so that the limiting plate 3 does not affect the sliding of the box cover 5 along the saw tooth clamping strip 4, and when the box cover 5 moves along the stacking direction of the plurality of disposable pathological tissue blades, the groove wall of the sliding groove 9 slides tightly against the limiting plate 3.

Further, in this embodiment, as shown in fig. 5 and 6, a pressure sensor 15 is disposed on a side of the pressing plate 8 facing the disposable pathological tissue blade, the pressure sensor 15 is in pressure connection with the disposable pathological tissue blade, a display screen 13 is disposed on the lid 5 for displaying detection data of the pressure sensor 15, the display screen 13 and the pressure sensor 15 are connected with a battery 14, the battery 14 can be fixedly mounted on the pressing plate 8 or the lid 5, the battery 14 supplies power for the display screen 13 and the pressure sensor 15, when the handle frame 7 is not pulled by fingers, a pressure value displayed by the display screen 13 is a pressing force of the pressing plate 8 on a plurality of disposable pathological tissue blades stacked in the box body 1, the pressing force does not enable the disposable pathological tissue blades to slide to penetrate through the knife edge 2 and extend out of the box body 1, when the handle frame 7 is pulled by fingers, a numerical value change on the display screen 13 can be observed, when the display numerical value is reduced to 0, the pressing plate 8 stops to work on the plurality of disposable pathological tissue blades placed in the box body 1, the pressing force is stopped when the display numerical value is reduced to 0, the handle frame 13 is further designed, and the handle frame 13 can be moved, and the handle frame can be further moved conveniently.

Further, as shown in fig. 3, the outer wall of the box body 1 at the outlet 2 is hinged with a baffle 16 through a hinge shaft 20, the upper end of the baffle 16 is connected with the hinge shaft 20, the lower end of the baffle 16 is provided with a first magnetic strip 17, when no disposable pathological tissue blade extends out of the outlet 2, the baffle 16 is vertically arranged under the action of self gravity and is attached to the outer wall of the box body 1, at this time, the second magnetic strip 18 is adsorbed with the first magnetic strip 17, so that the baffle 16 seals and blocks the outlet 2, and external dust, sundries and the like are prevented from entering the box body 1 through the outlet 2 to pollute the cleaned and sterilized disposable pathological tissue blade, and when the disposable pathological tissue blade extends out of the outlet 2, the baffle 16 can be pushed up to rotate around the hinge shaft 20 to separate the second magnetic strip 18 from the first magnetic strip 17, so that the outlet 2 is not influenced.

Typically, the second magnetic stripe 18 and the first magnetic stripe 17 are both made of permanent magnets.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The utility model provides a disposable pathological tissue blade, its characterized in that includes the blade body and locates the spacing groove on the blade body, the spacing groove link up the blade body, the notch of spacing groove is located blade body length direction's one end, the spacing groove extends along the length direction of blade body, blade body and spacing groove all are the rectangle.

2. A blade cartridge having a plurality of one-time-use pathological tissue blades of claim 1 stacked therein.

3. A blade cartridge according to claim 2, wherein the blade cartridge comprises an open cartridge body and a cartridge cover disposed over the cartridge body;

the outer wall of one end of the box body is provided with an outlet edge, the outlet edge is flush with the inner bottom surface of the box body, a plurality of disposable pathological tissue blades which are stacked are positioned in the box body, and the blade body which clings to the inner bottom surface of the box body slides along the length direction of the blade body and extends out of the box body from the outlet edge;

the box cover is provided with a handle frame in a penetrating manner along the stacking direction of the plurality of disposable pathological tissue blades, one end of the handle frame, which is close to the box body, is fixedly provided with a pressing plate, the pressing plate is connected with the box cover through a spring, the pressing plate is used for pressing and fastening the plurality of stacked disposable pathological tissue blades in the box body under the pushing of the spring, and the handle frame can drive the pressing plate to squeeze the spring by sliding relative to the box cover.

4. A blade cartridge according to claim 3, wherein a limiting plate extending from the bottom of the cartridge to the cartridge opening of the cartridge is fixedly arranged in the cartridge, and limiting grooves of the plurality of disposable pathological tissue blades stacked are clamped on the limiting plate, and the walls of the limiting grooves can slide along the stacking direction and the length direction of the blade body by clinging to the limiting plate.

5. A blade cartridge according to claim 4, wherein the longitudinal ends of the disposable pathological tissue blade abut against the inner wall of the cartridge body, and the width ends of the disposable pathological tissue blade do not contact the inner wall of the cartridge body.

6. The blade box as claimed in claim 4, wherein the blade outlet and the limiting plate are separately arranged at two ends of the box body in the length direction of the blade body, and the blade body is closely attached to the inner bottom surface of the box body, slides along the length direction of the blade body and can be separated from the limiting plate, and extends out of the box body from the blade outlet.

7. A blade cartridge according to claim 3, wherein the cross-sectional shape of the outlet edge is congruent with the cross-sectional shape of the blade body in the width direction.

8. A blade cartridge according to claim 3, wherein the inner wall of the cartridge body is provided with saw-tooth clamping strips extending in the stacking direction of the plurality of disposable pathological tissue blades, and the cartridge cover is provided with clamping grooves which can be clamped around the saw-tooth clamping strips.

9. The blade cartridge of claim 8, wherein the cartridge cover is provided with a sliding slot, and the slot wall of the sliding slot slides against the limiting plate when the cartridge cover moves along the stacking direction of the plurality of disposable pathological tissue blades.

10. A blade cartridge as claimed in claim 3, wherein a pressure sensor is provided on a side of the pressing plate facing the disposable pathological tissue blade, the pressure sensor is in pressure contact with the disposable pathological tissue blade, a display screen is provided on the cartridge cover for displaying detection data of the pressure sensor, and the display screen and the pressure sensor are connected with a battery.