CN210293737U

CN210293737U - Forensic pathological sampling knife

Info

Publication number: CN210293737U
Application number: CN201921079721.0U
Authority: CN
Inventors: 苏丽娟; 单鑫
Original assignee: Inner Mongolia Medical University
Current assignee: Inner Mongolia Medical University
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-10
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a forensic pathology materials drawing knife, including the handle of a knife, the thread groove has been seted up to the bottom of handle of a knife, the inside threaded connection of thread groove has the screwed pipe with the inside intercommunication of handle of a knife, the bottom fixedly connected with bottom open-ended tool bit of screwed pipe, just fore-and-aft scale has been seted up at the back of tool bit, fore-and-aft removal passageway has been seted up to the inside of handle of a knife, the inside sliding connection who removes the passageway has the lifter plate, the outside threaded connection of handle of a knife has the fall way. The utility model discloses a handle of a knife and tool bit that screwed pipe and thread groove are connected make the dismouting of tool bit and tool bit more convenient, are convenient for change and disinfect to the tool bit, and the mobilizable bottom plate of scale cooperation through the tool bit back can instruct and restrict tool bit male degree of depth moreover for the size and thickness such as the tissue that this tool bit was taken out are fit for the preparation section more, have not only reduced doctor's the operation degree of difficulty, still judge to subsequent observation and provide conveniently.

Description

Forensic pathological sampling knife

The technical field is as follows:

the utility model relates to a forensic apparatus technical field specifically is a forensic pathology materials drawing knife.

Background art:

since the 60's of the last century, the technology of pathological section has come to light, and since the tissue section can not only observe the whole tumor, its surrounding and distant parts, but also observe all the changes of the whole tumor and the whole tissue from different sections, especially the next continuous section of the whole tissue, it has been increasingly paid attention by clinical and pathological workers. When the large section is prepared and the material is taken, the tissue slices are manually cut, the thickness of the tissue slices is uneven, the surface is not smooth, and the tissue planes of all layers are not parallel. For easily obtaining materials, the tissue slices are mostly about 0.5-1 cm thick, so that the difficulty of the subsequent process of slice manufacturing is improved, the time consumption is increased, and the application of the tissue slices is only limited in scientific research experiments for a long time. In the material taking step, because the tissue block is large, a standard and smooth tissue slice is not easy to be manufactured, so that troubles are brought to subsequent work, and the quality of the manufactured slice is influenced.

At present, when a pathologist draws materials for pathological specimens to be clinically examined, the specimens need to be cut into tissues with certain thickness and proper size by a material drawing knife, then the tissues are sliced, and the slices are observed under a microscope.

The utility model has the following contents:

an object of the utility model is to provide a forensic pathology materials knife to it is very troublesome when using to solve current materials knife, wastes time and energy and the great problem of the work degree of difficulty.

The utility model discloses by following technical scheme implement: a forensic pathological material sampling knife comprises a knife handle, wherein a thread groove is formed in the bottom of the knife handle, a thread pipe communicated with the interior of the knife handle is in threaded connection with the interior of the thread groove, a knife head with an opening at the bottom is fixedly connected to the bottom of the thread pipe, and longitudinal scales are formed in the back of the knife head;

a longitudinal moving channel is formed in the tool handle, a lifting plate is connected to the inside of the moving channel in a sliding mode, a lifting pipe is connected to the outside of the tool handle in a threaded mode, and longitudinal sliding holes are formed in the front side wall and the rear side wall of the moving channel;

the equal fixedly connected with of both sides wall is connected with the connecting plate that the inner wall of fall way is connected around the lifter plate, the bottom fixedly connected with of lifter plate runs through the slide opening and extends to the outside connecting rod of handle of a knife, the bottom fixedly connected with and the scale relative bottom plate of connecting rod, and the one end of bottom plate extends to the inside of tool bit, the gas pocket is seted up at the top of handle of a knife.

Preferably, the cutter head comprises a cutter body fixedly connected with the bottom of the threaded pipe, an arc-shaped groove is formed in the back of the cutter body, arc-shaped cutting edges are formed in the left side wall and the right side wall of the cutter body, and a tip is formed in the front of the cutter body.

Preferably, the middle part of the outer wall of the cutter handle is provided with an annular thread clamping groove, the lifting pipe thread is arranged in the thread clamping groove, and the height of the thread clamping groove is twice of the height of the lifting pipe.

Preferably, the top of the inner wall of the lifting pipe is provided with an annular positioning groove, and the separated ends of the two connecting plates extend to the inside of the positioning groove and are in sliding connection with the positioning groove.

Preferably, the left side and the right side of the top of the lifting plate are both provided with through holes.

Preferably, the outer part of the lifting pipe is provided with a longitudinal anti-skid groove and an anti-skid pattern.

The utility model has the advantages that:

1. the utility model discloses a handle of a knife and the tool bit that screwed pipe and thread groove are connected make the dismouting of tool bit and tool bit more convenient, are convenient for change and disinfect to the tool bit.

2. The utility model can conveniently control the inserting angle and direction of the tool bit by holding the tool handle, can indicate the inserting depth of the tool bit through the scale on the back of the tool bit, the sizes and the thicknesses of tissues taken out by the cutter head are more suitable for making slices, the operation difficulty of doctors is reduced, the subsequent observation and judgment are convenient and fast, the lifting pipe can move outside the cutter handle when the lifting pipe is rotated, the lifting pipe can be matched with the connecting plate to provide power for the movement of the lifting plate when moving, the lifting plate can drive the connecting rod and the bottom plate to move synchronously when moving, the height difference between the bottom plate and the cutter head can be changed when the bottom plate moves, furthermore, the depth of the tool bit which can be inserted can be adjusted and limited, the tool bit is prevented from being inserted too deeply, the use and the material taking of doctors are facilitated to a greater extent, and the tissue and the section can be obtained more conveniently.

3. The utility model discloses after the tool bit cuts the tissue and draws materials, the control bottom plate descends, and the bottom plate can release the tissue slice in the tool bit for tissue slice's taking out is more convenient.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a left side sectional view of the present invention;

fig. 3 is a rear sectional view of the present invention;

fig. 4 is a schematic structural diagram of the middle tool bit of the present invention.

In the figure: 1. a knife handle; 2. a thread groove; 3. a threaded pipe; 4. a cutter head; 5. a moving channel; 6. a lifting plate; 7. a lifting pipe; 8. a slide hole; 9. a connecting plate; 10. a connecting rod; 11. a base plate; 12. air holes; 13. a cutter body; 14. a groove; 15. a blade; 16. a tip; 17. a threaded clamp groove; 18. positioning a groove; 19. and a through hole.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-4: a forensic pathology material taking knife comprises a knife handle 1, a thread groove 2 is formed in the bottom of the knife handle 1, a thread pipe 3 communicated with the inside of the knife handle 1 is in threaded connection with the inside of the thread groove 2, a knife head 4 with an opening at the bottom is fixedly connected to the bottom of the thread pipe 3, longitudinal scales are formed in the back of the knife head 4, the knife handle 1 can be held to conveniently control the inserting angle and the inserting direction of the knife head 4, the inserting depth of the knife head 4 can be indicated through the scales on the back of the knife head 4, so that tissues and the like taken out by the knife head 4 are more suitable for making slices, the operation difficulty of doctors is reduced, convenience is brought to subsequent observation and judgment, and the knife handle 1 and the knife head 4 connected through the thread pipe 3 and the thread groove 2 are more convenient to disassemble and assemble the knife handle 1 and the knife head 4, and the knife head;

the longitudinal moving channel 5 is formed in the knife handle 1, the lifting plate 6 is connected to the inside of the moving channel 5 in a sliding mode, the lifting pipe 7 is connected to the outside of the knife handle 1 through threads, the longitudinal sliding holes 8 are formed in the front side wall and the rear side wall of the moving channel 5, the weight of the knife handle 1 can be greatly reduced through the arrangement of the moving channel 5, the whole material taking knife is smaller in mass and lighter to hold, the lifting plate 6 can move more stably in the moving channel 5, and the lifting plate 6 is prevented from inclining;

the front side wall and the rear side wall of the lifting plate 6 are fixedly connected with connecting plates 9 connected with the inner wall of the lifting pipe 7, the bottom of the lifting plate 6 is fixedly connected with connecting rods 10 penetrating through the sliding holes 8 and extending to the outside of the tool holder 1, the bottom of the connecting rods 10 is fixedly connected with a bottom plate 11 opposite to the scales, one end of the bottom plate 11 extends to the inside of the tool bit 4, the top of the tool holder 1 is provided with air holes 12, the lifting pipe 7 can move outside the tool holder 1 when the lifting pipe 7 is rotated, the lifting pipe 7 can be matched with the connecting plates 9 to provide power for the movement of the lifting plate 6 when moving, the lifting plate 6 can drive the connecting rods 10 and the bottom plate 11 to synchronously move when moving, the height difference between the bottom plate 11 and the tool bit 4 can be changed when the bottom plate 11 moves, further, the insertion depth of the tool bit 4 can be, the doctor's that has made things convenient for use and draw materials to bigger degree for tissue and sliced acquisition is more convenient, cuts the tissue and draws materials the back when tool bit 4, and control bottom plate 11 descends, and bottom plate 11 can release the tissue section in the tool bit 4, makes taking out of tissue section more convenient.

The cutter head 4 is used for being inserted into tissues, skin and visceral organs to obtain tissues and slices, as shown in fig. 1-4, the cutter head 4 comprises a cutter body 13 fixedly connected with the bottom of the threaded pipe 3, an arc-shaped groove 14 is formed in the back of the cutter body 13, arc-shaped cutting edges 15 are formed in the left side wall and the right side wall of the cutter body 13, a tip 16 is formed in the front of the cutter body 13, the longitudinal four walls of the cutter head 4 are approximately rectangular, the texture is hard and made of metal materials, the lower edges of the groove 14 and the cutting edges 15 are force application parts, the tip 16 needs to be relatively sharp, the back side is shorter than the front side, the cutting edges 15 are designed in an arc shape, tissue cutting is facilitated, and the.

As shown in fig. 1-3, annular thread clamping groove 17 has been seted up at the outer wall middle part of handle of a knife 1, and the elevator 7 screw thread is in the inside of thread clamping groove 17, and the height of thread clamping groove 17 is the twice of the height of elevator 7, and the setting of thread clamping groove 17 can reduce the width that elevator 7 surpassed thread clamping groove 17 for handle of a knife 1 grips more comfortablely, also can reduce the weight of handle of a knife 1, makes the whole sword of drawing materials use more convenient.

As shown in fig. 2, fore-and-aft antiskid groove and anti-skidding line have been seted up to the outside of fall way 7, annular constant head tank 18 has been seted up at the inner wall top of fall way 7, the one end that two connecting plates 9 kept away from all extends to the inside of constant head tank 18 and rather than sliding connection, when rotating fall way 7, fall way 7 can rotate in the outside of handle of a knife 1, this in-process, connecting plate 9 slides in constant head tank 18, can drive connecting plate 9 synchronous motion in vertical direction when fall way 7 removes, and then provide power for the removal of connecting rod 10 and bottom plate 11.

As shown in figures 1 and 3, through holes 19 are formed in the left side and the right side of the top of the lifting plate 6, the through holes 19 are matched with the air holes 12, so that the knife handle 1 and the knife head 4 form a communicated channel, air in the knife head 4 can be conveniently discharged when the knife head 4 cuts tissues, and the knife head 4 is more labor-saving to insert.

When the utility model is used, the handle 1 is held to conveniently control the inserting angle and direction of the tool bit 4, the through hole 19 is provided with the matching air hole 12, so that the handle 1 and the tool bit 4 form a communicated channel, thus when the tool bit 4 cuts tissues, the air in the tool bit 4 can be conveniently discharged, the tool bit 4 can be more easily inserted, the inserting depth of the tool bit 4 can be indicated through the scale on the back of the tool bit 4, the tissue size and thickness taken out by the tool bit 4 are more suitable for making slices, not only the operation difficulty of doctors is reduced, but also convenience is provided for subsequent observation and judgment, the handle 1 and the tool bit 4 are more convenient to disassemble and assemble through the handle 1 and the tool bit 4 connected by the threaded pipe 3 and the threaded groove 2, the tool bit 4 is convenient to replace and disinfect, the lifting pipe 7 can be moved outside the handle 1 when the lifting pipe 7 is rotated, can cooperate connecting plate 9 to provide power for lifter plate 6's removal when the elevator 7 removes, and can drive connecting rod 10 and bottom plate 11 synchronous motion when lifter plate 6 removes, can change the difference in height between bottom plate 11 and the tool bit 4 when bottom plate 11 removes, and then can insert the degree of depth to tool bit 4 and adjust and restrict, it is too deep to avoid tool bit 4 to insert, the bigger degree has made things convenient for doctor's use and has drawn materials, make tissue and sliced acquisition more convenient.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The forensic pathological material taking knife comprises a knife handle (1) and is characterized in that a thread groove (2) is formed in the bottom of the knife handle (1), a thread pipe (3) communicated with the interior of the knife handle (1) is in threaded connection with the interior of the thread groove (2), a knife head (4) with an opening at the bottom is fixedly connected to the bottom of the thread pipe (3), and longitudinal scales are formed in the back of the knife head (4);

a longitudinal moving channel (5) is formed in the knife handle (1), a lifting plate (6) is connected to the inside of the moving channel (5) in a sliding mode, a lifting pipe (7) is connected to the outside of the knife handle (1) in a threaded mode, and longitudinal sliding holes (8) are formed in the front side wall and the rear side wall of the moving channel (5);

the utility model discloses a tool handle, including lifter plate (6), the equal fixedly connected with of front and back both sides wall of lifter plate (6) is connected with the inner wall of fall way (7) connecting plate (9), the bottom fixedly connected with of lifter plate (6) runs through slide opening (8) and extends to outside connecting rod (10) of handle of a knife (1), the bottom fixedly connected with and the scale relative bottom plate (11) of connecting rod (10), and the one end of bottom plate (11) extends to the inside of tool bit (4), gas pocket (12) are seted up at the top of handle of a knife (1).

2. The forensic pathologic sampling knife of claim 1, wherein: the cutter head (4) comprises a cutter body (13) fixedly connected with the bottom of the threaded pipe (3), an arc-shaped groove (14) is formed in the back face of the cutter body (13), arc-shaped cutting edges (15) are formed in the left side wall and the right side wall of the cutter body (13), and a tip (16) is formed in the front face of the cutter body (13).

3. The forensic pathologic sampling knife of claim 1, wherein: annular thread clamping groove (17) have been seted up at the outer wall middle part of handle of a knife (1), fall way (7) screw thread is in the inside of thread clamping groove (17), just the height of thread clamping groove (17) is twice of fall way (7) height.

4. The forensic pathologic sampling knife of claim 1, wherein: annular constant head tank (18) have been seted up at the inner wall top of fall way (7), two the one end that connecting plate (9) were kept away from all extends to the inside of constant head tank (18) and rather than sliding connection.

5. The forensic pathologic sampling knife of claim 1, wherein: through holes (19) are formed in the left side and the right side of the top of the lifting plate (6).

6. The forensic pathologic sampling knife of claim 1, wherein: the outer part of the lifting pipe (7) is provided with a longitudinal anti-skidding groove and anti-skidding lines.