CN216207642U

CN216207642U - Novel material taking knife

Info

Publication number: CN216207642U
Application number: CN202122154490.9U
Authority: CN
Inventors: 张保尔; 遆海峰; 宣瑞红; 王蓓蓓; 畅锴; 杨苗; 高文英
Original assignee: Taiyuan Jinyu Clinical Laboratory Co ltd
Current assignee: Taiyuan Jinyu Clinical Laboratory Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-05
Anticipated expiration: 2031-09-06

Abstract

The utility model relates to the technical field of material taking knives, in particular to a novel material taking knife which comprises a handle, wherein one side of the handle is fixedly provided with a hollow groove, the inner side of the hollow groove is provided with a fixed rod, the outer side of the fixed rod is provided with a material taking blade, the outer side of the fixed rod is provided with a spring, one side of the handle is provided with a rotary rod, one side of the rotary rod is provided with a knob, the inner side of the rotary rod is provided with a first threaded groove, the inner side of the first threaded groove is connected with a first threaded rod through threaded rotation, the novel material taking knife can take tissue blocks with desired thickness and tissue blocks to be taken down after being cut down, has uniform thickness and complete tissue structure, saves time and labor, improves material taking quality, accelerates material taking speed, reduces biological safety exposure events of material taking personnel, for the doctor who draws materials to the new hand, better grasp thickness, as long as adjust into the width that oneself is fit for the sample can get the tissue piece that thickness is even, the structure is complete.

Description

Novel material taking knife

Technical Field

The utility model relates to the technical field of material taking knives, in particular to a novel material taking knife.

Background

The pathological tissue is obtained from human body (surgical excision specimen, biopsy specimen, autopsy specimen) or animal according to the specific requirements of teaching, scientific research and external examination, and the part and method for obtaining the material are determined. On the basis of the macro examination, a certain amount of representative pathological tissues are stolen and cut into slices, which is an important link for carrying out correct pathological diagnosis and sometimes even has decisive significance for diagnosis, and a material-taking knife is needed for taking the pathological tissues.

The present single-blade common cutting tool widely used in pathology department is used for cutting tissue strips with the width of 2-3cm, after a first blade is cut, a second blade is difficult to be parallel to the first blade and difficult to ensure the completeness of a tissue structure, the tissue structure is difficult to be successfully cut once, multiple times of trimming is often carried out, time and labor are wasted, the tissue size is difficult to be grasped sometimes, the pathological tissue blocks with standard sizes are difficult to obtain and are too large or irregular, the subsequent embedding, slicing and the like of a technical group can be influenced, the repeated trimming influences on the material taking quality and speed are easy to cause biological safety exposure events in the trimming process, a doctor who takes materials with a new hand is slightly deficient in the blade, when the tissue blocks with few pathological changes are cut, the thickness is not good to be grasped, the structural tissues are easy to be damaged, and therefore, the novel material taking knife is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel material taking knife.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a novel material drawing knife is designed, and comprises a handle, wherein a dead lever is fixedly arranged on one side of the handle, a plurality of material drawing blades are movably sleeved on the outer side of the dead lever, a spring is fixedly sleeved on the outer side of the dead lever, one side of the spring is abutted against one side of the material drawing blades, a rotating lever is movably connected to one side of the handle, a knob is fixedly connected to one side of the rotating lever, a first threaded groove is fixedly arranged on the inner side of the rotating lever, a first threaded rod is rotatably connected to the inner side of the first threaded groove through threads, one side of the first threaded rod is abutted against one side of the material drawing blades, rubber sheets are fixedly connected to both ends of the bottom side of the dead lever, an extending block is movably connected to the bottom side of the handle, a plurality of connecting grooves are fixedly arranged on the bottom side of the handle, and a telescopic rod is movably connected to the inner sides of the connecting grooves, one side fixed connection of telescopic link is in one side of extending the piece, the bottom side of handle is fixed and is equipped with thread groove two, the inboard of thread groove two is equipped with threaded rod two through the threaded rotation connection, one side of threaded rod two runs through in one side of extending the piece and extend to outside, one side fixed connection of threaded rod two is equipped with the adjusting button.

Preferably, the bottom side of the extension block is fixedly connected with a connecting rod, the bottom side of the connecting rod is detachably connected with a knife cover through a buckle, the bottom side of the knife cover is fixedly connected with a connecting clamping block, and the top side of the handle is fixedly provided with a connecting clamping groove matched with the connecting clamping block.

Preferably, the outer side of the handle is fixedly connected with a plurality of anti-skid rubber particle balls.

Preferably, the outer sides of the knob and the adjusting button are both fixedly provided with threaded convex edge strips.

Preferably, the number of the fixing rods is two.

Preferably, the number of the material taking blades is two, and the material taking blades are respectively a fixed material taking blade and a movable material taking blade.

The novel material taking knife provided by the utility model has the beneficial effects that: by arranging the fixed rod, the material taking blade, the spring, the rotary rod, the knob, the first thread groove and the first thread rod, the number of the material taking blades is two, the fixed material taking blade and the movable material taking blade are respectively arranged, the knob is clockwise rotated to drive the rotary rod to rotate, the first thread rod is driven to move by the first thread groove, so that the movable material taking blade is pushed, the movable material taking blade extrudes the spring to be close to the fixed material taking blade, the width between the two knives is thinned, the knob is anticlockwise rotated, the movable material taking blade is moved by the resilience of the spring, the distance between the two knives is widened, the width distance between the two knives is favorably adjusted, the novel material taking knife can take tissue blocks with the required thickness and the required thickness by one knife, the tissue blocks are uniform in thickness and complete in tissue structure, time and labor are saved, the material taking quality is improved, the material taking speed is accelerated, and the biological safety exposure events of material taking personnel are reduced, for the doctor who draws materials to the new hand, better grasp thickness, as long as adjust into the width that oneself is fit for the sample can get the tissue piece that thickness is even, the structure is complete.

Drawings

FIG. 1 is a schematic view of a front axial structure of a novel sampling knife according to the present invention;

FIG. 2 is a schematic view of a front cut axial structure of the novel material drawing knife according to the present invention;

fig. 3 is a schematic structural diagram of a front cut axis measurement a of the novel material drawing knife according to the present invention.

In the figure: 1 handle, 2 dead slots, 3 dead levers, 4 draw materials blade, 5 springs, 6 rotary rods, 7 knobs, 8 thread groove one, 9 threaded rod one, 10 rubber sheets, 11 extension piece, 12 spread groove, 13 telescopic link, 14 thread groove two, 15 threaded rod two, 16 adjusting knob, 17 connecting rod, 18 sword cover, 19 connection draw-in groove, 20 connection fixture block.

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.

Referring to fig. 1-3, a novel material taking knife comprises a handle 1, wherein a dead slot 2 is fixedly arranged on one side of the handle 1, a fixed rod 3 is fixedly arranged on the inner side of the dead slot 2, a plurality of material taking blades 4 are movably sleeved on the outer side of the fixed rod 3, a spring 5 is fixedly sleeved on the outer side of the fixed rod 3, one side of the spring 5 abuts against one side of the material taking blades 4, a rotary rod 6 is movably connected to one side of the handle 1, a knob 7 is fixedly connected to one side of the rotary rod 6, a thread slot I8 is fixedly arranged on the inner side of the rotary rod 6, a threaded rod I9 is connected to the inner side of the thread slot I8 through thread rotation, and one side of the threaded rod I9 abuts against one side of the material taking blades 4;

equal fixed connection in the bottom side both ends of dead slot 2 is equipped with sheet rubber 10, the bottom side swing joint of handle 1 is equipped with and extends piece 11, the fixed a plurality of spread grooves 12 that are equipped with in bottom side of handle 1, the inboard swing joint of spread groove 12 is equipped with telescopic link 13, one side fixed connection of telescopic link 13 is in the one side of extending piece 11, the fixed thread groove two 14 that is equipped with in bottom side of handle 1, the inboard of thread groove two 14 is connected through the screw rotation and is equipped with threaded rod two 15, one side of threaded rod two 15 runs through in one side of extending piece 11 and extend to outside, one side fixed connection of threaded rod two 15 is equipped with adjusting button 16.

In order to protect the material taking blade 4 when not in use, the bottom side of the extension block 11 is fixedly connected with a connecting rod 17, the bottom side of the connecting rod 17 is detachably connected with a knife cover 18 through a buckle, the bottom side of the knife cover 18 is fixedly connected with a connecting clamping block 20, and the top side of the handle 1 is fixedly provided with a connecting clamping groove 19 matched with the connecting clamping block 20.

In order to increase the friction feeling of the hand holding and improve the stability of the hand holding, a plurality of anti-skidding rubber particle balls are fixedly connected and arranged on the outer side of the handle 1.

In order to facilitate the rotation adjustment, the outer sides of the knob 7 and the adjusting button 16 are both fixedly provided with thread convex edge strips.

In order to improve the moving stability of the material taking blade 4, the number of the fixing rods 3 is two.

In order to adjust the distance between the material taking blades 4, the number of the material taking blades 4 is two, namely a fixed material taking blade and a movable material taking blade.

When the utility model is used, the fixed rod 3, the material taking blade 4, the spring 5, the rotary rod 6, the knob 7, the thread groove I8 and the threaded rod I9 are arranged, the number of the material taking blades 4 is two, namely the fixed material taking blade and the movable material taking blade, the knob 7 is rotated clockwise to drive the rotary rod 6 to rotate, the threaded rod I9 is driven to move by the thread groove I8, so that the movable material taking blade is pushed to extrude the spring 5 and approach the fixed material taking blade, the width between the two knives is thinned, the knob 7 is rotated anticlockwise, the spring 5 rebounds to drive the movable material taking blade to move, the distance between the two knives is widened, the width distance between the two knives is favorably adjusted, the novel material taking knife can take tissue blocks with the desired thickness and the desired tissue blocks after one knife is removed, the tissue blocks are uniform in thickness and complete in tissue structure, time and labor are saved, improve the quality of drawing materials, accelerate the speed of drawing materials, reduce the biological safety exposure incident of personnel of drawing materials, to novice doctor, the better thickness of holding, as long as adjust into the width that oneself is fit for the sample can get the tissue piece that thickness is even, the structure is complete.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A novel material drawing knife comprises a handle (1) and is characterized in that a dead slot (2) is fixedly arranged on one side of the handle (1), a fixing rod (3) is fixedly arranged on the inner side of the dead slot (2), a plurality of material drawing blades (4) are movably sleeved on the outer side of the fixing rod (3), a spring (5) is fixedly sleeved on the outer side of the fixing rod (3), one side of the spring (5) is abutted against one side of the material drawing blades (4), a rotating rod (6) is movably connected on one side of the handle (1), a knob (7) is fixedly connected on one side of the rotating rod (6), a first thread slot (8) is fixedly arranged on the inner side of the rotating rod (6), a first threaded rod (9) is rotatably connected on the inner side of the first thread slot (8) through threads, one side of the first threaded rod (9) is abutted against one side of the material drawing blades (4), the improved handle structure is characterized in that rubber sheets (10) are fixedly connected to two ends of the bottom side of the empty groove (2), an extending block (11) is arranged on the bottom side of the handle (1) in a movable mode, a plurality of connecting grooves (12) are fixedly arranged on the bottom side of the handle (1), a telescopic rod (13) is arranged on the inner side of each connecting groove (12) in a movable mode, one side of each telescopic rod (13) is fixedly connected to one side of the extending block (11), a second threaded groove (14) is fixedly arranged on the bottom side of the handle (1), a second threaded rod (15) is arranged on the inner side of the second threaded groove (14) in a rotating mode through threads, one side of the second threaded rod (15) penetrates through one side of the extending block (11) and extends to the outside, and an adjusting button (16) is arranged on one side of the second threaded rod (15) in a fixed mode.

2. The novel material drawing knife as claimed in claim 1, wherein a connecting rod (17) is fixedly connected to the bottom side of the extending block (11), a knife cover (18) is detachably connected to the bottom side of the connecting rod (17) through a buckle, a connecting clamping block (20) is fixedly connected to the bottom side of the knife cover (18), and a connecting clamping groove (19) matched with the connecting clamping block (20) is fixedly arranged on the top side of the handle (1).

3. The novel material drawing knife as claimed in claim 1, wherein a plurality of anti-slip rubber particle balls are fixedly connected to the outer side of the handle (1).

4. The novel material drawing knife as claimed in claim 1, wherein thread convex edge strips are fixedly arranged on the outer sides of the knob (7) and the adjusting knob (16).

5. The new type of material drawing knife as claimed in claim 1, characterized in that the number of said fixing rods (3) is two.

6. The novel material drawing knife according to claim 1, characterized in that the number of the material drawing blades (4) is two, namely a fixed material drawing blade and a movable material drawing blade.