Special tissue cutter for conization of cervix uteri

Abstract

The invention provides a tissue slitting device special for cervical conization, and relates to the technical field of pathological analysis equipment, the tissue slitting device comprises a fixing base, a tissue container and a slitting knife tackle, the fixing base is a cylinder with an opening in the top, the tissue container is placed on the fixing base, the tissue container is used for containing cervical tissue to be cut, and the slitting knife tackle is arranged on the fixing base. A cutter groove is formed in the upper portion of the tissue container, the slitting cutter set comprises a guide rod and a blade set, the guide rod is vertically arranged, the blade set comprises blades surrounding the periphery of the guide rod, and the blades and the cutter groove are arranged in a one-to-one correspondence mode. By means of the tissue slitting device special for cervical conization, tissue can be accurately cut into 12 equal parts at a time according to a dial plate type, the working efficiency is greatly improved, and sufficient work is done for subsequent accurate pathological diagnosis and guided treatment. In addition, the whole tissue slitting device is convenient to disassemble, clean, disinfect and dry, so that the tissue slitting device can be used repeatedly.

Description

Technical Field

[0001] The invention relates to the technical field of pathological analysis equipment, and in particular to a special tissue divider for cervical conization. Background Art

[0002] In order to make a clear diagnosis of a disease, pathological analysis is usually required. Pathologists can determine the nature, type and degree of the disease by observing and analyzing the diseased tissue or cells, providing doctors with accurate diagnostic basis. Pathological sampling knives are pathological sampling tools specially used to cut tissue blocks, which play an important role in pathological analysis.

[0003] The pathology sampling knife in the prior art mainly consists of a handle and a blade clamp. It is easy to use and suitable for sampling tissues of all specimen types. The blade used is also a blunt blade from conventional pathology sections, which is conducive to the effective use of resources, avoids waste, and saves costs. However, the sampling efficiency is not high, and the sampling thickness is difficult to control because it is a single blade, especially for cervical cone tissue; because cervical cone tissue is conical, its sampling and reporting specifications require that the cone tissue be sampled and reported according to the dial type 1-12 points, and the current pathology sampling knives are all single blades. The cone tissue needs to be cut 12 times in 12 equal parts, and it is difficult to ensure that each cut can be accurately cut at the correct point and that each piece of tissue can be cut to the full layer. Summary of the invention

[0004] The purpose of the present invention is to solve the technical problem in the prior art that it is difficult to ensure that each cut can be accurately cut at the correct point and that each piece of tissue can be cut into the full layer during the process of evenly dividing the cone-cut tissue into 12 cuts.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A special tissue divider for cervical conization comprises a fixed seat, a tissue container and a dividing knife group, wherein the fixed seat is a cylinder with an open top, the tissue container is placed on the fixed seat, the tissue container is used to accommodate cervical tissue to be cut, a knife groove is arranged above the tissue container, and the dividing knife group comprises a guide rod and a blade group, wherein the guide rod is arranged vertically, and the blade group comprises a blade surrounding the outer circumference of the guide rod, and the blade is arranged one-to-one with the knife groove.

[0006] Preferably, the fixing seat includes a bottom plate and a side plate, wherein the bottom plate is a circular plate, the side plate is a cylindrical plate, the bottom plate is located at one end of the side plate in the length direction, and a guide portion is provided on the side of the bottom plate pointing to the side plate, the guide portion is a cylindrical shape and is used to guide the guide rod.

[0007] Preferably, a accommodating cavity is provided in the middle of the tissue container, the upper part of the accommodating cavity is funnel-shaped, the lower part of the accommodating cavity is a circular hole, the funnel-shaped part of the accommodating cavity is connected to the circular hole, and the accommodating cavity is coaxially arranged with the guide part, and the knife groove runs through the height of the funnel-mounted part of the accommodating cavity.

[0008] Preferably, a tissue support is sleeved on the guide rod, and the tissue support is sleeved on the outer circumference of the guide rod. The tissue support includes a truncated cone-shaped main body, and the main body is arranged corresponding to the funnel-shaped part above the accommodating cavity. A clearance groove is arranged on the main body, and the clearance groove is arranged corresponding to the blade. The height of the clearance groove is consistent with the penetration height of the blade groove.

[0009] Preferably, the tissue inner support further includes an extension portion, and the extension portion is located above the main body portion and is integrally formed with the main body portion.

[0010] Preferably, there are 12 knife grooves and 12 blades respectively, and the blades are arranged to be inclined upward in an outward direction from the guide rod.

[0011] Preferably, the outer wall of the tissue container and the inner wall of the fixing seat are arranged to abut against each other, and a supporting ring is also provided on the outer wall of the tissue container. The supporting ring is located in the middle position of the tissue container in the height direction, and the supporting ring abuts against the top of the fixing seat.

[0012] Preferably, an internal thread is provided at the top of the fixing seat, and a container cover is provided on the fixing seat. The container cover is in a cylindrical shape with one end open, and the outer circumference of the container cover has a radius equal to that of the outer circumference of the fixing seat. An internal thread is provided at the bottom of the inner wall of the container cover, and external threads are respectively provided on the upper and lower sides of the tissue container supporting ring, and the external threads are meshed with the internal threads on the top of the fixing seat and the internal threads on the inner wall of the container cover.

[0013] Preferably, it also includes a tissue tray, which is used to place the cut cervical tissue.

[0014] Compared with the prior art, this application has the following beneficial effects: The above-mentioned special tissue divider for cervical conization can accurately cut the tissue into 12 equal parts in a dial-like manner at one time, greatly improving the work efficiency and providing sufficient work for subsequent accurate pathological diagnosis and guiding treatment. In addition, the entire tissue divider is easy to disassemble, clean, disinfect and dry, so as to facilitate multiple uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a tissue divider dedicated for cervical conization in one embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of a tissue container on a tissue divider dedicated for cervical conization in one embodiment of the present invention; Figure 3 It is a structural schematic diagram of a blade assembly and a guide rod portion of a tissue divider dedicated for cervical conization in one embodiment of the present invention; Figure 4 This is a schematic diagram of the internal tissue support structure on a tissue divider specifically for cervical conization in one embodiment of the present invention.

[0016] Legend: 1. Fixed seat; 11. Bottom plate; 12. Side plate; 13. Guide part; 2. Tissue container; 21. Accommodating chamber; 212. Knife groove; 213. Support ring; 3. Slitting knife assembly; 31. Guide rod; 32. Blade assembly; 321. Blade; 33. Tissue support; 331. Main body; 332. Extension part; 333. Make way groove; 334. Through hole; 34. Pressurization ball; 4. Container cover. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with specific embodiments.

[0018] See also Figure 1 A tissue divider for cervical conization comprises a fixing seat 1, a tissue container 2, a dividing knife group 3, a container cover 4 and a tissue swing plate, wherein the fixing seat 1 is used to support the tissue container 2, and the tissue container 2 is used to place the cervical tissue to be cut. The dividing knife group 3 is located above the tissue container 2 and is used to cut the cervical tissue in the tissue container 2, and the tissue swing plate is used to place the cut cervical tissue.

[0019] See also Figure 1 In one embodiment, the fixing seat 1 includes a bottom plate 11 and a side plate 12, the bottom plate 11 is circular, the side plate 12 is cylindrical, the bottom plate 11 is located at one end of the axial direction of the side plate 12, the bottom plate 11 is provided with a guide portion 13 on the side pointing to the side plate 12, the guide portion 13 is cylindrical and is used to guide the moving direction of the slitting knife group 3, and the guide portion 13 is cocentric with the side plate 12. The top of the fixing seat 1 is provided with an internal thread.

[0020] See also Figure 1 and Figure 2In one embodiment, the tissue container 2 is cylindrical, and a receiving cavity 21 is provided in the middle of the tissue container 2. The receiving cavity 21 is used to receive the cervical tissue to be cut. In one embodiment, the upper part of the receiving cavity 21 is funnel-shaped, and the lower part of the receiving cavity 21 is a circular hole. The receiving cavity 21 is connected up and down, and the receiving cavity 21 is coaxial with the bottom plate 11. A knife groove 212 is provided on the inner wall of the tissue container 2. The knife grooves 212 are arranged in a circular array. In one embodiment, there are 12 knife grooves 212, and the knife grooves 212 pass through the height of the funnel-shaped part on the receiving cavity 21. The outer wall of the tissue container 2 and the inner wall of the fixing seat 1 are mutually supported. A supporting ring 213 is also provided on the outer wall of the tissue container 2. The supporting ring 213 is located at the middle position of the height direction of the tissue container 2. The supporting ring 213 is supported on the top of the fixing seat 1 to support the tissue container 2. The tissue container 2 is provided with external threads on the upper and lower sides of the supporting ring 213. The lower external threads are engaged with the internal threads on the top of the fixing seat 1, and the upper external threads are used to fix the container cover 4.

[0021] See also Figure 1 and Figure 3 The slitting knife group 3 includes a guide rod 31, a blade group 32 and a tissue inner support 33, wherein the guide rod 31 is vertically arranged, and the guide rod 31 matches the inner wall of the guide portion 13 and the circular hole at the bottom of the accommodating chamber 21. The blade group 32 includes a plurality of blades 321, which surround and are fixed on the guide rod 31, and the cutting edges of the blades 321 point downward. In one embodiment, 12 blades 321 are arranged in a circular array on the outer peripheral side of the guide rod 31 and are arranged one by one with the knife groove 212. In one embodiment, the blades 321 are arranged upwardly and tilted from the guide rod 31 to the outside, and the preferred tilt angle is 45°.

[0022] See also Figure 4 The tissue support 33 includes a truncated cone-shaped main body 331 and an extension portion 332. The main body 331 is arranged corresponding to the funnel-shaped part above the accommodating cavity 21. The main body 331 slides downward so that the cervical tissue to be cut can be evenly laid on the inner wall of the accommodating cavity 21 and the outer periphery of the main body 331. The extension portion 332 is located above the main body 331 for convenient control of the main body 331. The extension portion 332 and the main body 331 are integrally formed. A clearance groove 333 is arranged on the main body 331. The clearance groove 333 is used to make way for the blade 321. The height of the clearance groove 333 is consistent with the penetration height of the knife groove 212.

[0023] The tissue support 33 is detachably mounted on the guide rod 31 . In one embodiment, a through hole 334 is provided on the tissue support 33 . The through hole 334 extends along the height direction of the tissue support 33 . The through hole 334 and the guide rod 31 are matched with each other.

[0024] See also Figure 1 In one embodiment, in order to ensure smooth cutting of the blade assembly 32, a booster ball 34 is provided on the top of the guide rod 31. The booster ball 34 is fixed to the top of the guide rod 31 by threads. The booster ball 34 is spherical and easy to hold and apply force.

[0025] The container cover 4 is in a cylindrical shape with one end open. In one embodiment, the outer circumference of the container cover 4 is equal to the outer radius of the fixing base 1. The bottom of the inner wall of the container cover 4 is provided with an internal thread, and the internal thread of the inner wall of the container cover 4 matches the external thread of the tissue container 2. By setting the container cover 4, when it is not needed, the container cover 4 is placed above the fixing base 1, thereby preventing dust from entering when the equipment is not in use.

[0026] Working principle: S1: placing the tissue container 2 on the fixing seat 1; S2: Adjust the positions of the tissue support 33 and the blade assembly 32 so that the blade assembly 32 is located at the top of the clearance groove 333 in the tissue support 33; S2: placing the cervical tissue to be cut in the tissue container 2, and determining the sliding direction of the guide rod 31 in the vertical direction in the guide portion 13 at the bottom of the fixing seat 1 through the guide rod 31, sliding the guide rod 31 downward until the tissue inner support 33 is embedded above the cervical tissue to be cut, and fixing the cervical tissue to be cut between the tissue inner support 33 and the tissue container 2; S4: Align the blade 321 with the blade groove 212, and apply downward force with the booster ball 34, so that the blade assembly 32 slides downward, and the blade assembly 32 slides through the blade groove 212 to complete the cone cutting of the cervical tissue; S5: Take out the guide rod 31, place the cut cervical tissue on the tissue tray, and then disassemble the entire device for cleaning, disinfection and drying.

[0027] The present application provides a special tissue divider for cervical conization, which can accurately cut the tissue into 12 equal parts in a dial-like manner at one time, greatly improving the work efficiency and providing sufficient work for subsequent accurate pathological diagnosis and guiding treatment. In addition, the entire tissue divider is easy to disassemble, clean, disinfect and dry, so as to facilitate multiple uses.

Claims

1. A tissue divider for cervical conization, characterized in that: It includes a fixed seat, a tissue container and a slitting knife group, wherein the fixed seat is a cylindrical shape with an open top, the tissue container is placed on the fixed seat, the tissue container is used to accommodate cervical tissue to be cut, a knife groove is arranged above the tissue container, and the slitting knife group includes a guide rod and a blade group, wherein the guide rod is vertically arranged, the blade group includes a blade surrounding the outer circumference of the guide rod, and the blade is arranged one-to-one with the knife groove.

2. A tissue divider for cervical conization according to claim 1, characterized in that: The fixing seat includes a bottom plate and a side plate, wherein the bottom plate is in the shape of a circular plate, the side plate is in the shape of a cylinder, the bottom plate is located at one end of the side plate in the length direction, a guide portion is provided on the side of the bottom plate pointing to the side plate, the guide portion is in the shape of a cylinder and is used to guide the guide rod.

3. A tissue divider for cervical conization according to claim 2, characterized in that: A accommodating cavity is arranged in the middle of the tissue container. The upper part of the accommodating cavity is funnel-shaped, and the lower part of the accommodating cavity is a circular hole. The funnel-shaped part of the accommodating cavity is connected with the circular hole, and the accommodating cavity is arranged coaxially with the guide part, and the knife groove runs through the height of the funnel-mounted part of the accommodating cavity.

4. A tissue divider for cervical conization according to claim 3, characterized in that: A tissue inner support is sleeved on the guide rod, and the tissue inner support is sleeved on the outer circumference of the guide rod. The tissue inner support includes a truncated cone-shaped main body, and the main body is arranged corresponding to the funnel-shaped part above the accommodating cavity. A clearance groove is arranged on the main body, and the clearance groove is arranged corresponding to the blade. The height of the clearance groove is consistent with the penetration height of the blade groove.

5. A tissue divider for cervical conization according to claim 4, characterized in that: The tissue inner support further includes an extension portion, which is located above the main body portion and is integrally formed with the main body portion.

6. A tissue divider for cervical conization according to claim 5, characterized in that: There are 12 knife grooves and 12 blades respectively, and the blades are arranged upward and tilted outward from the guide rod.

7. The special tissue divider for cervical conization according to claim 6, characterized in that: The outer wall of the tissue container and the inner wall of the fixing seat are arranged to abut against each other. A supporting ring is also arranged on the outer wall of the tissue container. The supporting ring is located in the middle position of the tissue container in the height direction, and the supporting ring abuts against the top of the fixing seat.

8. The special tissue divider for cervical conization according to claim 7, characterized in that: The top of the fixing seat is provided with an internal thread, and the fixing seat is provided with a container cover, the container cover is in a cylindrical shape with one end open, the outer circumference of the container cover is equal to the outer circumference radius of the fixing seat, the bottom of the inner wall of the container cover is provided with an internal thread, and the upper and lower sides of the tissue container supporting ring are respectively provided with external threads, and the external threads are meshed with the internal threads on the top of the fixing seat and the internal threads on the inner wall of the container cover.

9. The special tissue divider for cervical conization according to claim 8, characterized in that: Also included is a tissue tray, which is used to place the cut cervical tissue.

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