CN114947990A

CN114947990A - Pathology department sampling device

Info

Publication number: CN114947990A
Application number: CN202210651789.1A
Authority: CN
Inventors: 魏威; 宗雷
Original assignee: Xi'an No3 Hospital
Current assignee: Xi'an No3 Hospital
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-08-30

Abstract

The invention discloses a pathology department sampling device, and particularly relates to the technical field of medical instruments, which comprises a fixing box, wherein a power structure is fixedly arranged in the fixing box, the power structure comprises a micro motor, one end of a rotating shaft of the micro motor is fixedly connected with a rotating column, the outer wall of the rotating column is fixedly connected with an axle column, the outer wall of the axle column is rotatably connected with a belt rack for driving a biopsy needle to move, and a thin rack is fixedly connected in the belt rack; the power structure is internally provided with a moving structure, the moving structure comprises a fixed cylinder, and the outside of the fixed cylinder is fixedly connected with a connecting cylinder. According to the invention, the power structure, the moving structure and the limiting cap are matched for use, so that the biopsy outer tube needle and the biopsy inner needle can be conveniently and respectively automatically moved, further, the automatic puncture operation on a sampling part is conveniently carried out during sampling, the operation flow of a user is reduced, the rapid sampling operation is convenient, and the sampling efficiency is further improved.

Description

Pathology department sampling device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a sampling device for a pathology department.

Background

The biopsy is a technique for taking pathological tissues from patients by cutting, clamping or puncturing and the like to perform pathological examination, which is the most important part in pathological diagnosis, and can make clear histopathological diagnosis for most of inspection cases, and is used as the final clinical diagnosis.

Like the pathology department sampling device that chinese patent discloses, patent publication No. CN107796650B proposes detachable sampling component, and then conveniently changes the use with the sampling needle, only changes the sampling needle simultaneously in order to reduce the sample cost, nevertheless when carrying out the sampling operation, needs the user to manually carry out the puncture with the biopsy needle and uses, and then leads to user's operation flow complicated, and uses the degree of difficulty higher, consequently needs to propose a pathology department sampling device of automatic sampling of a section.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a sampling device for pathology department, which is used in cooperation with a power structure, a moving structure and a limiting cap to facilitate automatic puncture operations on a biopsy outer tube needle and a biopsy inner needle, respectively, so as to reduce the operation procedures of a user and further improve the sampling efficiency, thereby solving the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a pathology department sampling device comprises a fixing box, wherein a power structure is fixedly arranged inside the fixing box and comprises a micro motor, one end of a rotating shaft of the micro motor is fixedly connected with a rotating column, the outer wall of the rotating column is fixedly connected with an axle column, the outer wall of the axle column is rotatably connected with a belt rack for driving a biopsy needle to move, and a fine rack is fixedly connected inside the belt rack;

a moving structure is arranged in the power structure and comprises a fixed cylinder, a connecting cylinder is fixedly connected to the outside of the fixed cylinder, a coarse latch matched with the belt rack is fixedly connected to the outer wall of the connecting cylinder, an outer needle limiting block for limiting is arranged on one side of the coarse latch, and a limiting groove is formed in the inner wall of the fixed box;

the utility model discloses a biopsy instrument, including removal structure, fixed box, biopsy outer section of thick bamboo needle, and the top fixed mounting who removes the structure has a fixed knot who is used for fixed biopsy needle to construct, the inside of removing the structure is provided with the interior needle of biopsy that is used for the sample, and the top screw thread of the interior needle of biopsy installs spacing cap, the bottom fixed mounting of fixed box has the regulation structure that is used for adjusting the sample depth.

In a preferred embodiment, micro motor constitutes for motor and motor box, and micro motor's motor passes through motor box fixed mounting in the top one side of fixed box, micro motor's pivot and the one end fixed connection of rotary column, and the rotary column rotates and installs the inside at fixed box, rotary column and shaft column symmetry set up the inside at fixed box, and rotate through belt rack and thin rack between the shaft column and be connected, belt rack and thin rack formula rotation belt structure as an organic whole.

In a preferred embodiment, the outside fixed mounting of fixed box has the handle, and power structure installs the inside at fixed box, it sets up inside power structure to remove the structure, thick latch and belt rack toothing are connected, and thick latch symmetry sets up the both sides at the connecting cylinder, the connecting cylinder removes with the belt rack through thick latch and is connected, and the removal of outer needle stop block sets up in the spacing inslot portion, the inside at fixed box is seted up to the spacing groove symmetry, and the connecting cylinder removes with fixed box through outer needle stopper and is connected, outer needle stopper symmetric connection is in the connecting cylinder both sides.

In a preferred embodiment, the bottom of the biopsy outer cylinder needle is of a bevel structure, the top of the biopsy outer cylinder needle is provided with a mounting cap, the biopsy outer cylinder needle is of a hollow needle structure, the mounting cap of the biopsy outer cylinder needle is in threaded connection with the bottom end of the fixed cylinder, the outer wall of the bottom end of the fixed cylinder is provided with external threads, and the inner wall of the mounting cap of the biopsy outer cylinder needle is provided with internal threads.

In a preferred embodiment, the fixing structure comprises a fixing port, the fixing port is symmetrically formed in the outer side of the top end of the fixing cylinder, a moving block is movably arranged inside the fixing port, an extrusion spring is fixedly mounted on one side of the moving block, an extrusion head is fixedly connected to one end of the extrusion spring, and limiting columns are symmetrically connected to one side of the extrusion head.

In a preferred embodiment, the one end of spacing post is removed and is set up inside the movable block, and the movable block has seted up the concertina hole corresponding to the spacing post, fixed knot constructs the symmetry and sets up in fixed cylinder both sides, and the extrusion head removes and sets up in the spacing inslot portion, and the bottom in spacing groove has seted up slack mouth.

In a preferred embodiment, the limiting cap comprises a biopsy inner needle, the top end of the biopsy inner needle is provided with an external thread, the bottom end of the biopsy inner needle and the bottom end of the biopsy outer barrel needle are arranged in a bevel structure, one side of the bottom end of the biopsy inner needle is provided with a sampling groove, and the limiting cap is mounted at the top end of the biopsy inner needle.

In a preferred embodiment, the thread cover is installed on the top end of the biopsy inner needle in a threaded manner, the outer wall of the thread cover is symmetrically connected with a fine latch, the fine latch and the fine rack are meshed with each other, the outer wall of the thread cover is symmetrically connected with an inner needle limiting block, the inner needle limiting block is movably arranged inside the limiting groove, and the thread cover is connected with the fixed box moving rod through the inner needle limiting block.

In a preferred embodiment, the adjusting structure comprises a fixing base, a fixing groove is formed in the fixing base, the fixing base is fixedly installed at the bottom of the fixing box, the fixing groove of the fixing base is in a shape and size corresponding to the inner shape and size of the fixing box, an external thread is arranged on the outer wall of the fixing base, a thread installation cylinder is installed on the external thread of the fixing base, a telescopic sleeve rod is fixedly installed at the bottom of the thread installation cylinder, and a fixing ring is fixedly connected to the bottom end of the telescopic sleeve rod.

In a preferred embodiment, the telescopic loop bar is composed of two loop bars which are mutually sleeved, the telescopic loop bars are symmetrically installed between the thread mounting cylinder and the fixing ring, the bottom of the fixing ring is fixedly connected with a silica gel pad, the bottom of the thread mounting cylinder is fixedly connected with a movable ruler plate, the outer part of the movable ruler plate is movably sleeved with a fixed loop plate, one side of the outer wall of the fixed loop plate is provided with size scales in the same way as one side of the movable ruler plate, the inner wall of the fixed loop plate is in threaded connection with a thread fixing column, and the fixed loop plate is fixedly connected with the movable ruler plate through the thread fixing column.

The invention has the technical effects and advantages that:

through the matching use of the power structure, the moving structure and the limiting cap, the biopsy outer tube needle and the biopsy inner needle can be conveniently and respectively automatically moved, so that the puncture operation can be conveniently and automatically carried out on a sampling part during sampling, the operation flow of a user is reduced, the rapid sampling operation is convenient, and the sampling efficiency is improved;

through the arrangement of the fixing structure, the biopsy outer cylinder needle and the biopsy inner needle can be conveniently moved and punctured simultaneously, and meanwhile, due to the arrangement of the relaxation port, the internal structure of the fixing structure can be conveniently loosened, so that the biopsy inner needle can be conveniently subjected to further puncture sampling operation, the movement and fixation of the biopsy inner needle are facilitated, the compactness of the structure is further improved, the biopsy outer cylinder needle and the biopsy inner needle can be conveniently matched with a power structure for use, and the mutual matching performance of the internal structures of the sampling device is ensured;

the device is conveniently placed at a position needing sampling through the arrangement of the adjusting structure, so that the device is convenient to operate and use, an auxiliary supporting structure is added when the device is used, the stability of the device in use is further ensured, and meanwhile, due to the arrangement of the movable ruler plate, the fixed sleeve plate and the telescopic sleeve rod, the adjusting structure is convenient to adjust the length, so that different puncture depths are conveniently matched, and the applicability of the sampling device in use is improved;

through the use of power structure, not only make things convenient for the puncture operation of needle in outer section of thick bamboo needle of biopsy and the biopsy, reverse motion makes things convenient for taking out of tissue thing simultaneously, and convenient to use through power structure releases the needle alone in the biopsy simultaneously, and then the collection of convenient sample tissue thing is drawed, and needle and the outer section of thick bamboo needle of biopsy conveniently dismantle the operation in the biopsy simultaneously, and then make things convenient for the washing of the outer section of thick bamboo needle of biopsy and the change of needle in the biopsy to guarantee the sanitary safety nature that sampling device used.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the fixing case of the present invention;

FIG. 3 is a schematic structural view of the power structure of the present invention;

FIG. 4 is a view showing a structure of a movable structure, a biopsy outer cylinder needle and a fixed structure according to the present invention;

FIG. 5 is a disassembled structural view of the biopsy outer barrel needle and the moving structure of the present invention;

FIG. 6 is a disassembled structure view of the fixing structure of the present invention;

FIG. 7 is a schematic view of the connection structure of the power structure, the stop cap and the moving structure of the present invention;

fig. 8 is a schematic view of the adjustment structure of the present invention in a disassembled state.

The reference signs are: 1. a fixing box; 2. a power structure; 21. a micro motor; 22. turning the column; 23. a column shaft; 24. a belt rack; 25. a thin rack; 3. a handle; 4. a moving structure; 41. a fixed cylinder; 42. a connecting cylinder; 43. coarse latch teeth; 44. an outer needle stopper; 45. a limiting groove; 5. a biopsy outer barrel needle; 6. a fixed structure; 61. a fixed port; 62. a moving block; 63. a compression spring; 64. an extrusion head; 65. a limiting column; 66. loosening the opening; 7. an inner biopsy needle; 8. a limiting cap; 81. a threaded cap; 82. fine latch teeth; 83. an inner needle limiting block; 9. an adjustment structure; 91. a fixed base; 92. a threaded mounting cylinder; 93. a telescopic loop bar; 94. a fixing ring; 95. moving the ruler plate; 96. fixing the sleeve plate; 97. the screw thread fixes the column.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The pathological sampling device shown in figures 1-7 comprises a fixed box 1, a power structure 2 is fixedly arranged in the fixed box 1, and the power structure 2 comprises a micro motor 21, one end of a rotating shaft of the micro motor 21 is fixedly connected with a rotating column 22, and the outer wall of the rotary column 22 is fixedly connected with a shaft column 23, the outer wall of the shaft column 23 is rotatably connected with a belt rack 24 for driving the biopsy needle to move, and the inside of the belt rack 24 is fixedly connected with a thin rack 25, the inside of the power structure 2 is provided with a moving structure 4, and the moving structure 4 includes a fixed cylinder 41, a connecting cylinder 42 is fixedly connected to the outside of the fixed cylinder 41, the outer wall of the connecting cylinder 42 is fixedly connected with a coarse latch 43 matched with the belt rack 24 for use, one side of the coarse latch 43 is provided with an outer needle limiting block 44 for limiting, the inner wall of the fixing box 1 is provided with a limiting groove 45, and the bottom of the moving structure 4 is provided with a biopsy outer cylinder needle 5;

the micro motor 21 is composed of a motor and a motor box, the motor of the micro motor 21 is fixedly arranged on one side of the top of the fixed box 1 through the motor box, a rotating shaft of the motor of the micro motor 21 is fixedly connected with one end of the rotating column 22, the rotating column 22 is rotatably arranged in the fixed box 1, the rotating column 22 and the shaft column 23 are symmetrically arranged in the fixed box 1, the shaft columns 23 are rotatably connected through a belt rack 24 and a fine rack 25, and the belt rack 24 and the fine rack 25 are of an integrated rotating belt structure;

the handle 3 is fixedly arranged outside the fixed box 1, the power structure 2 is arranged inside the fixed box 1, the moving structure 4 is arranged inside the power structure 2, the thick latch 43 is meshed with the belt rack 24 and connected with the belt rack 24, the thick latch 43 is symmetrically arranged on two sides of the connecting cylinder 42, the connecting cylinder 42 is movably connected with the belt rack 24 through the thick latch 43, the outer needle limiting blocks 44 are movably arranged inside the limiting grooves 45, the limiting grooves 45 are symmetrically arranged inside the fixed box 1, the connecting cylinder 42 is movably connected with the fixed box 1 through the outer needle limiting blocks 44, and the outer needle limiting blocks 44 are symmetrically connected on two sides of the connecting cylinder 42;

the bottom of the outer cylinder needle 5 of the biopsy is of an inclined plane structure, the top of the outer cylinder needle 5 of the biopsy is provided with an installation cap, the outer cylinder needle 5 of the biopsy is of a hollow needle structure, the installation cap of the outer cylinder needle 5 of the biopsy is in threaded connection with the bottom end of the fixed cylinder 41, the outer wall of the bottom end of the fixed cylinder 41 is provided with external threads, and the inner wall of the installation cap of the outer cylinder needle 5 of the biopsy is provided with internal threads.

The implementation mode is specifically as follows: after the adjustment structure 9 is adjusted according to the puncture depth, the outside of the sampling part is disinfected, the adjustment structure 9 is placed outside the sampling part, then the handle 3 is held by hand to stabilize the sampling device, then the biopsy inner needle 7 is inserted into the biopsy outer cylinder needle 5, the bottom inclined plane of the biopsy inner needle 7 is arranged in parallel with the inclined plane of the biopsy outer cylinder needle 5, then the micro motor 21 is started for use, the micro motor 21 drives the rotary column 22 and the shaft column 23 to rotate in the fixed box 1, further drives the belt rack 24 and the thin rack 25, the meshed thick clamping teeth 43 are moved by the rotation of the belt rack 24, thereby the connecting cylinder 42 drives the fixed cylinder 41 to move, the biopsy outer cylinder needle 5 is installed at the bottom of the fixed cylinder 41 by the thread, further drives the biopsy outer cylinder needle 5 to move, and simultaneously, the fixed structure 6 is moved to the inside of the fixed box 1 to be extruded and limited by the limiting groove 45, and then fix needle 7 in the biopsy, thereby needle 7 moves down together in the biopsy with outer section of thick bamboo needle 5 in the biopsy, and then carry out the puncture operation with the sample site, and connecting cylinder 42 is when being driven to remove, the outer needle stopper 44 of a fixed section of thick bamboo 41 both sides moves inside spacing groove 45, and then conveniently carry on spacingly to a fixed section of thick bamboo 41 and biopsy outer section of thick bamboo needle 5, and the threaded connection of biopsy outer section of thick bamboo needle 5 and a fixed section of thick bamboo 41 makes things convenient for the dismantlement installation of biopsy outer section of thick bamboo needle 5, and then dismantle the washing with biopsy outer section of thick bamboo needle 5 after facilitating the use, thereby make things convenient for follow-up reuse, and the model of micro motor 21 is 60 KTYZ.

According to the sampling device for the pathology department shown in figures 2-4 and figure 6, a fixed structure 6 for fixing a biopsy needle is fixedly arranged at the top of a moving structure 4, a biopsy inner needle 7 for sampling is arranged inside the moving structure 4, and a limit cap 8 is arranged at the top end of the biopsy inner needle 7 in a threaded mode;

the fixing structure 6 comprises a fixing port 61, the fixing port 61 is symmetrically formed in the outer side of the top end of the fixing cylinder 41, a moving block 62 is movably arranged in the fixing port 61, an extrusion spring 63 is fixedly mounted on one side of the moving block 62, an extrusion head 64 is fixedly connected to one end of the extrusion spring 63, and a limiting column 65 is symmetrically connected to one side of the extrusion head 64;

one end of the limiting column 65 is movably arranged inside the moving block 62, the moving block 62 is provided with a telescopic hole corresponding to the limiting column 65, the fixing structures 6 are symmetrically arranged at two sides of the fixing cylinder 41, the extrusion heads 64 are movably arranged inside the limiting grooves 45, and the bottoms of the limiting grooves 45 are provided with slack openings 66;

the limiting cap 8 comprises an external thread arranged at the top end of the biopsy inner needle 7, the bottom end of the biopsy inner needle 7 and the bottom end of the biopsy outer cylinder needle 5 are arranged to be of an inclined plane structure, a sampling groove is formed in one side of the bottom end of the biopsy inner needle 7, and the limiting cap 8 is installed at the top end of the biopsy inner needle 7;

screw thread lid 81, and screw thread lid 81 screw thread installation is on the top of needle 7 in the biopsy, and the outer wall symmetric connection of screw thread lid 81 has thin latch 82, and thin latch 82 and thin rack 25 intermeshing set up, and the outer wall symmetric connection of screw thread lid 81 has interior needle stopper 83, and interior needle stopper 83 removes to set up inside spacing groove 45, and screw thread lid 81 is connected with fixed box 1 carriage release lever through interior needle stopper 83.

The implementation mode specifically comprises the following steps: when the fixed barrel 41 moves in the fixed box 1, the fixed structure 6 moves in the fixed box 1, the extrusion head 64 moves in the limit groove 45, the extrusion spring 63 extends the extrusion head 64 to one side in a non-extrusion state, and the extrusion head 64 is extruded by the limit groove 45 after entering the limit groove 45, so that the extrusion head 64 is extruded to one side of the movable block 62, the extrusion spring 63 is compressed, the limit column 65 moves in the movable block 62, the arrangement of the limit column 65 facilitates the limit of the movement of the extrusion head 64, the movable block 62 is extruded by the extrusion head 64, the biopsy inner needle 7 in the fixed barrel 41 is clamped and fixed, one side of the movable block 62 is arranged in a cambered surface, the outer part of the biopsy inner needle 7 is conveniently attached, the clamping and fixing of the biopsy inner needle 7 are facilitated, the biopsy outer barrel needle 5 and the biopsy inner needle 7 are moved to a puncture target position, the continuous rotation of the shaft column 23 makes the biopsy external cylinder needle 5 driven by the belt rack 24 be at the lowest position, then one side of the thin rack 25 is rotated to one side of the limiting cap 8, meanwhile, the extrusion head 64 is moved to the inside of the relaxation opening 66 at one side of the limiting groove 45, and then influenced by the elastic force of the extrusion spring 63, the extrusion head 64 is extended outwards again, and then the moving block 62 is used for loosening the biopsy internal needle 7, then the thin rack 25 drives the thin latch 82 to move, meanwhile, the internal needle limiting block 83 is moved in the limiting groove 45, so that the structures such as the threaded cover 81 and the biopsy internal needle 7 are convenient to limit, and the thin rack 25 is driven to make the biopsy internal needle 7 continue to puncture downwards, and then the biopsy internal needle 7 is extended out of the biopsy external cylinder needle 5, after the biopsy internal needle 7 reaches the position, the thin latch 25 drives the thin latch 82 to move the biopsy internal needle 7 upwards to the inside of the target biopsy external cylinder needle 5 through the reverse rotation of the micro motor 21, and the bottom of the sampling groove at the bottom of the biopsy inner needle 7 forms an inclined surface cutter with the groove bottom wall, so that the internal sampling tissue can be conveniently cut, the biopsy inner needle 7 samples the substances and then moves back to the interior of the biopsy outer cylinder needle 5 so as to store the sampled substances, meanwhile, the belt rack 24 and the thick latch 43 are meshed again by the continuous rotation of the thin rack 25 to drive the biopsy outer cylinder needle 5 to move upwards, meanwhile, the extrusion head 64 is brought back to the interior of the limiting groove 45 again, so that the biopsy inner needle 7 is fixed again, the biopsy outer cylinder needle 5 and the biopsy inner needle 7 can be conveniently moved out of the body of a patient, so that the sampling operation is completed, the limiting cap 8 and the biopsy inner needle 7 are conveniently installed and disassembled by the thread installation mode of the limiting cap 8 and the biopsy inner needle 7, further, when the biopsy inner needle 7 is discarded, the limiting cap 8 can be repeatedly used, further, the sampling cost is reduced, and simultaneously, after the biopsy inner needle 7 and the biopsy outer cylinder needle 5 are moved out of the body, can push out biopsy inner needle 7 again through power structure 2's forward rotation, and then conveniently take out the inside tissue thing of biopsy inner needle 7 sample groove, and then make things convenient for follow-up inspection operation.

According to the pathology department sampling device shown in fig. 1 and 8, an adjusting structure 9 for adjusting the sampling depth is fixedly arranged at the bottom of a fixed box 1;

the adjusting structure 9 comprises a fixed base 91, a fixed groove is formed in the fixed base 91, the fixed base 91 is fixedly installed at the bottom of the fixed box 1, the shape and size of the fixed groove of the fixed base 91 correspond to the shape and size of the inside of the fixed box 1, external threads are arranged on the outer wall of the fixed base 91, a thread installation cylinder 92 is installed on the external threads of the fixed base 91, a telescopic loop bar 93 is fixedly installed at the bottom of the thread installation cylinder 92, and a fixed ring 94 is fixedly connected to the bottom end of the telescopic loop bar 93;

telescopic loop bar 93 is two loop bars that cup joint each other and constitutes, and telescopic loop bar 93 symmetry is installed between threaded mounting section of thick bamboo 92 and solid fixed ring 94, gu fixed ring 94's bottom fixedly connected with silica gel pad, threaded mounting section of thick bamboo 92's bottom fixedly connected with removes chi board 95, and the outside removal of removing chi board 95 has cup jointed fixed lagging 96, outer wall one side of fixed lagging 96 is provided with the size scale with one side of removing chi board 95 the same, and the inner wall threaded connection of fixed lagging 96 has screw fixed column 97, fixed lagging 96 is through screw fixed column 97 and removal chi board 95 fixed connection.

The implementation mode is specifically as follows: when the adjusting structure 9 is adjusted, the movable ruler plate 95 is moved inside the fixed sleeve plate 96, the puncture depths of the biopsy outer cylinder needle 5 and the biopsy inner needle 7 are determined according to the size scales, and because the adjusting structure 9 is attached and placed outside the sampling position, the moving distances of the biopsy outer cylinder needle 5 and the biopsy inner needle 7 are fixed, the length adjustment of the adjusting structure 9 determines the puncture depths of the biopsy outer cylinder needle 5 and the biopsy inner needle 7, and after the movable ruler plate 95 moves inside the fixed sleeve plate 96, the movable ruler plate is fixed through screwing of the thread fixing column 97, the sleeve rods of the telescopic sleeve rod 93 move mutually at the same time, so that the movement limiting of the thread mounting cylinder 92 and the fixed ring 94 is facilitated, meanwhile, the thread mounting cylinder 92 and the fixed ring 94 are conveniently connected, and the silica gel pad at the bottom of the fixed ring 94 is conveniently attached to the outside of the body of a patient, so that the attaching degree and the comfort degree of the device are increased, meanwhile, the use of the handle 3 is matched, the use stability of the device is convenient to guarantee, and the connection mode of the fixing base 91 and the threaded mounting cylinder 92 is convenient to disassemble the structures of the threaded mounting cylinder 92 and the like, so that the subsequent cleaning operation of the adjusting structure 9 is convenient.

The working principle of the invention is as follows: firstly, the puncture depth of the biopsy outer cylinder needle 5 and the biopsy inner needle 7 is determined by moving and fixing the movable ruler plate 95 in the fixed sleeve plate 96, then after the outside of the sampling part is disinfected, the adjusting structure 9 is placed outside the sampling part, then the handle 3 is held by hand to stabilize the sampling device, then the limit cap 8 is arranged at the top end of the biopsy inner needle 7, the biopsy inner needle 7 is inserted into the biopsy outer cylinder needle 5 to align the bottom inclined surfaces thereof, then the micro motor 21 is started to drive the rotary column 22 and the shaft column 23 to move the belt rack 24 and the thin rack 25, the belt rack 24 drives the meshed thick clamping teeth 43 to move, thereby driving the biopsy outer cylinder needle 5 to move downwards, meanwhile, the fixed structure 6 is moved to the inside of the fixed box 1 to be extruded and limited by the limit groove 45, thereby fixing the biopsy inner needle 7, thereby moving the biopsy outer cylinder needle 5 and the biopsy inner needle 7 downwards together to perform the puncture operation on the sampling part, then, after the biopsy outer cylinder needle 5 and the biopsy inner needle 7 are moved to the target position, the shaft column 23 is continuously rotated to drive the biopsy outer cylinder needle 5 to be at the lowest position by the belt rack 24, the fine rack 25 is rotated to one side of the limit cap 8 to drive the same, meanwhile, the extrusion head 64 is moved to the inside of the relaxation opening 66, further, the extrusion head 64 is extended outwards under the influence of the elastic force of the extrusion spring 63, further, the biopsy inner needle 7 is relaxed, then, the fine rack 25 drives the fine latch 82 to continue puncturing the biopsy inner needle 7 downwards, then, the biopsy inner needle 7 is inserted into the sample tissue, then, through the reverse driving of the micro motor 21, the fine rack 25 drives the fine latch 82 to cut the sample tissue by the biopsy inner needle 7 and move back to the inside of the biopsy outer cylinder needle 5, then, the belt rack 24 and the coarse latch 43 are meshed again to drive the biopsy outer cylinder needle 5 to move upwards by the continuous rotation of the fine rack 25, meanwhile, the fixing structure 6 is brought back to the inside of the limit groove 45 again to fix the biopsy inner needle 7, so that the biopsy outer tube needle 5 and the biopsy inner needle 7 are moved out of the body of the patient, and the sampling operation is completed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a pathology department sampling device, includes fixed box (1), its characterized in that: the inside fixed mounting of fixed box (1) has power structure (2), and power structure (2) include micro motor (21), pivot one end fixedly connected with rotary column (22) of micro motor (21), and the outer wall fixedly connected with jack-post (23) of rotary column (22), the outer wall of jack-post (23) rotates and is connected with belt rack (24) that are used for driving the removal of biopsy needle, and the inside fixedly connected with thin rack (25) of belt rack (24).

2. A pathology sampling device according to claim 1, wherein:

the power structure (2) is inside to be provided with removal structure (4), and removes structure (4) including solid fixed cylinder (41), the outside fixedly connected with connecting cylinder (42) of solid fixed cylinder (41), and the outer wall fixedly connected with cooperation belt rack (24) of connecting cylinder (42) use thick latch (43), one side of thick latch (43) is provided with and is used for spacing outer needle stopper (44), spacing groove (45) have been seted up to the inner wall of fixed box (1).

3. A pathology sampling device according to claim 2, wherein:

a biopsy outer cylinder needle (5) is mounted at the bottom of the moving structure (4), a fixing structure (6) for fixing the biopsy needle is fixedly mounted at the top of the moving structure (4), a biopsy inner needle (7) for sampling is arranged inside the moving structure (4), a limiting cap (8) is mounted at the top end of the biopsy inner needle (7) in a threaded manner, and an adjusting structure (9) for adjusting the sampling depth is fixedly mounted at the bottom of the fixing box (1);

the miniature motor (21) is composed of a motor and a motor box, the motor of the miniature motor (21) is fixedly installed on one side of the top of the fixed box (1) through the motor box, a rotating shaft of the motor of the miniature motor (21) is fixedly connected with one end of a rotating column (22), the rotating column (22) is rotatably installed in the fixed box (1), the rotating column (22) and the shaft column (23) are symmetrically arranged in the fixed box (1), the shaft columns (23) are rotatably connected through a belt rack (24) and a thin rack (25), and the belt rack (24) and the thin rack (25) are of an integrated rotating belt structure;

the outside fixed mounting of fixed box (1) has handle (3), and power structure (2) installs the inside at fixed box (1), it sets up inside power structure (2) to remove structure (4), thick latch (43) and belt rack (24) meshing are connected, and thick latch (43) symmetry sets up the both sides in connecting cylinder (42), connecting cylinder (42) are removed through thick latch (43) and belt rack (24) and are connected, and outer needle stopper (44) remove and set up inside spacing groove (45), the inside at fixed box (1) is seted up to spacing groove (45) symmetry, and connecting cylinder (42) are removed through outer needle stopper (44) and fixed box (1) and are connected, outer needle stopper (44) symmetric connection is in connecting cylinder (42) both sides.

4. A pathology sampling device according to claim 3, wherein: the bottom of the outer cylinder needle (5) of biopsy is the inclined plane structure, and the top of the outer cylinder needle (5) of biopsy is provided with the installation cap, the outer cylinder needle (5) of biopsy is the hollow needle structure, and the installation cap of the outer cylinder needle (5) of biopsy and the bottom threaded connection of a fixed cylinder (41), the bottom outer wall of a fixed cylinder (41) is provided with the external screw thread, and the installation cap inner wall of the outer cylinder needle (5) of biopsy is provided with the internal thread.

5. A pathology sampling device according to claim 3, wherein: the fixed structure (6) comprises a fixed opening (61), the fixed opening (61) is symmetrically formed in the outer side of the top end of the fixed barrel (41), a moving block (62) is arranged inside the fixed opening (61) in a moving mode, an extrusion spring (63) is fixedly mounted on one side of the moving block (62), an extrusion head (64) is fixedly connected to one end of the extrusion spring (63), and a limiting column (65) is symmetrically connected to one side of the extrusion head (64).

6. A pathology sampling device according to claim 5, wherein: the one end of spacing post (65) is removed and is set up inside movable block (62), and movable block (62) correspond spacing post (65) and seted up the flexible hole, fixed knot constructs (6) symmetry and sets up in fixed cylinder (41) both sides, and extrusion head (64) remove and set up inside spacing groove (45), and the bottom of spacing groove (45) has seted up slack mouth (66).

7. A pathology sampling device according to claim 3, wherein: the top of needle (7) is provided with the external screw thread in spacing cap (8) including the biopsy, and the bottom of needle (7) is the same with the bottom of the outer section of thick bamboo needle of biopsy (5) and is set up to the inclined plane structure in the biopsy, the sample groove has been seted up to bottom one side of needle (7) in the biopsy, and the top of needle (7) in the biopsy is installed in spacing cap (8).

8. A pathology sampling device according to claim 7, wherein: screw thread lid (81), and screw thread lid (81) screw thread install the top of needle (7) in the biopsy, the outer wall symmetric connection of screw thread lid (81) has thin latch (82), and thin latch (82) and thin rack (25) intermeshing setting, the outer wall symmetric connection of screw thread lid (81) has interior needle stopper (83), and interior needle stopper (83) remove and set up inside spacing groove (45), screw thread lid (81) are connected with fixed box (1) carriage release lever through interior needle stopper (83).

9. A pathology sampling device according to claim 3, wherein: the adjusting structure (9) comprises a fixed base (91), a fixed groove is formed in the fixed base (91), the fixed base (91) is fixedly installed at the bottom of the fixed box (1), the shape and size of the fixed groove of the fixed base (91) correspond to the shape and size of the inside of the fixed box (1), external threads are arranged on the outer wall of the fixed base (91), a thread installation cylinder (92) is installed on the external threads of the fixed base (91), a telescopic loop bar (93) is fixedly installed at the bottom of the thread installation cylinder (92), a fixing ring (94) is fixedly connected to the bottom end of the telescopic loop bar (93), the telescopic loop bar (93) is composed of two loop bars which are mutually sleeved, the telescopic loop bar (93) is symmetrically installed between the thread installation cylinder (92) and the fixing ring (94), and a silica gel pad is fixedly connected to the bottom of the fixing ring (94), the bottom of the thread installation cylinder (92) is fixedly connected with a movable ruler plate (95), and a fixed sleeve plate (96) is sleeved outside the movable ruler plate (95) in a movable mode.

10. A pathology sampling device according to claim 9, wherein: the size scales are arranged on one side of the outer wall of the fixed sleeve plate (96) and the same side of the movable ruler plate (95), the inner wall of the fixed sleeve plate (96) is in threaded connection with a threaded fixing column (97), and the fixed sleeve plate (96) is fixedly connected with the movable ruler plate (95) through the threaded fixing column (97).