Cervical biopsy forceps and use method thereof

Abstract

The invention discloses a pair of cervix biopsy forceps in the technical field of biopsy forceps, which comprises a fixed forceps, a fixed handle is fixedly mounted at one end of the fixed forceps, a movable handle is arranged at one end, close to the fixed handle, of the fixed forceps, a movable forceps is arranged at the upper end of the movable handle, and the movable forceps are in sliding connection with the upper surface of the fixed forceps. A mounting shaft is rotatably mounted at the end, away from the fixed handle, of the movable clamp, a connecting seat is fixedly mounted on the mounting shaft, a sampling piece is fixedly mounted at the end, away from the mounting shaft, of the connecting seat, and a convex block is fixedly mounted at the end, away from the mounting shaft, of the sampling piece; according to the sampling forceps, the stability of tissue clamping in the sampling process is maintained through the limiting groove and the movable handle, it is ensured that the sampling piece can stay at any angle in the sampling process, the sampling forceps can be conveniently controlled at any opening and closing angle, and the application range of the sampling forceps is widened.

Description

Technical Field

[0001] The invention relates to the technical field of sampling forceps, in particular to a cervical live sampling forceps and a use method thereof. Background Art

[0002] Cervical biopsy is a biopsy of the cervix, which means taking a small piece or several pieces of tissue from the cervix for pathological examination to confirm the diagnosis. It is often used for suspected cervical cancer or suspicious cells in cervical scraping. Cervical biopsy can confirm the diagnosis and determine the treatment method.

[0003] During cervical biopsy, sampling forceps are needed to take living samples. The opening and closing angles of the sampling forceps are generally controlled manually. After opening and closing to a certain angle, manual fingers are required to always control the position of the movable handle to keep the opening and closing size stable. It is difficult to keep the opening and closing size stable manually, and the operation is difficult. It is cumbersome to take samples of living tissue at a specific location.

[0004] Based on this, the present invention designs a cervical biopsy forceps and a method of using the same to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a cervical biopsy forceps to maintain stability when clamping tissue during the sampling process, ensure that the sampling piece can stay at any angle during the sampling process, facilitate the sampling forceps to be controlled at any opening and closing angle, and increase the application range of the sampling forceps.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A cervical biopsy forceps and a method of using the same, comprising a fixed forceps, a fixed handle fixedly mounted on one end of the fixed forceps, a movable handle provided at one end of the fixed forceps close to the fixed handle, a movable forceps provided at the upper end of the movable handle, the movable forceps being slidably connected to the upper surface of the fixed forceps, a mounting shaft being rotatably mounted on the end of the movable forceps away from the fixed handle, a connecting seat fixedly mounted on the mounting shaft, a sampling piece fixedly mounted on the end of the connecting seat away from the mounting shaft, a bump fixedly mounted on the end of the sampling piece away from the mounting shaft, side mounting pieces fixedly mounted on the movable forceps at positions corresponding to the two ends of the mounting shaft, a sampling device provided in the side mounting piece, and the sampling device being capable of cooperating with the horizontal movement of the movable forceps to clamp living tissue.

[0008] Preferably, the sampling device includes a fixed tooth plate, which is fixedly mounted on the upper surface of the fixed clamp, and a movable groove is provided on the lower surface of the movable clamp corresponding to the position of the fixed tooth plate, and movable gears are fixedly mounted at both ends of the mounting shaft corresponding to the positions of the side mounting parts, and the movable gears are meshed with the fixed tooth plate.

[0009] Preferably, both ends of the mounting shaft extend into the movable caliper and are fixedly mounted with active disks, a toggle rod is fixedly mounted on one end of the active disk away from the mounting shaft, and a locking device is provided in the movable caliper at a position corresponding to the active disk.

[0010] Preferably, the locking device includes a limit member and a limiting groove, the limit member is fixedly installed in the movable pliers, a driven disk is rotatably installed in the limit member, the limiting groove is arranged on both sides of the movable pliers corresponding to the position of the limit member, one end of the driven disk is rotatably connected to the limiting groove, and the driven disk is rotatably connected to the limiting groove.

[0011] Preferably, an intermediate shaft is fixedly installed on one side of the driven disk close to the active disk, and limit plates are fixedly installed on both sides of the active disk corresponding to the intermediate shaft. A movable part is slidably connected in the limit plate, and an embedding groove is provided on the movable part. One end of the toggle rod away from the active disk is embedded in the embedding groove, and a spring rod is fixedly installed on the movable part, and one end of the spring rod away from the movable part is fixedly connected to the intermediate shaft.

[0012] Preferably, the movable parts are fixedly mounted with engaging teeth, the lower end of the limiting part is fixedly mounted with a lower ratchet, an upper ratchet is arranged above the lower ratchet, and the engaging teeth on the movable parts at both sides are respectively engaged with the upper ratchet and the lower ratchet.

[0013] Preferably, an electric heating element is fixedly installed in the fixed clamp, a sampling groove is provided on the upper surface of one end of the fixed clamp close to the sampling element, an upper limit groove is provided on the lower surface of the sampling element, the upper limit groove fits with the sampling groove, a handle groove is provided at the lower end of the movable handle, a first spring element is fixedly installed on one end of the movable handle close to the fixed handle, a second spring element is fixedly installed on one end of the fixed handle close to the movable handle, and the upper ends of the first spring element and the second spring element are in contact with each other.

[0014] Another object of the present invention is to provide a technical solution:

[0015] A method for using a cervical biopsy forceps comprises the following steps:

[0016] Step 1: merging the upper limit slot and the sampling slot on the sampling member;

[0017] Step 2: After merging, the fixed forceps and the movable forceps are inserted into the patient's cervix;

[0018] Step 3: Press the movable handle, the movable handle pulls the movable clamp, and the movable clamp slides on the fixed clamp toward the fixed handle, thereby driving the sampling piece to rotate and open;

[0019] Step 4: Push the movable handle in the reverse direction, the movable clamp automatically resets, and the sampling piece rotates toward the sampling slot under the interaction of the movable gear and the fixed tooth plate, and the living tissue is scraped by the protrusion during the rotation;

[0020] Step 5: The sampling member is rotated to a horizontal position to clamp the living tissue between the sampling slot and the upper limit slot.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The movable pliers in the present invention move and drive the movable gear to move on the fixed tooth plate, so that the movable gear interacts with the fixed tooth plate to drive the movable gear to rotate, the rotation of the movable gear drives the installation shaft to rotate, the rotation of the installation shaft drives the sampling piece to rotate, the rotation of the installation shaft drives the active disk to rotate, the rotation of the active disk drives the toggle lever to rotate, so that the toggle lever squeezes the movable piece, so that the movable piece moves toward the middle shaft, so that the engaging teeth disengage from the upper ratchet and the lower ratchet, and then the toggle lever drives the driven disk to rotate, the driven disk is connected to the limiting groove with a damping connection, when the user stops applying pressure to the movable handle, the driven disk is locked with the limiting groove, thereby ensuring that the sampling piece can be stably maintained at any angle, avoiding the unstable situation of continuous manual force application, and ensuring that the opening and closing size of the sampling pliers can be stably maintained at any angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0024] Figure 1 This is a schematic diagram of the structure of the present invention from a front side perspective;

[0025] Figure 2 For the present invention Figure 1 A partial schematic diagram of the structure at A in the middle;

[0026] Figure 3 The structure of the present invention is cut away Figure 1 ;

[0027] Figure 4 For the present invention Figure 3 A partial schematic diagram of the structure at B in the middle;

[0028] Figure 5 The structure of the present invention is cut away Figure 2 ;

[0029] Figure 6 For the present invention Figure 5A partial schematic diagram of the structure at C in the middle;

[0030] Figure 7 This is a schematic diagram of the structure of the sampling room of the present invention when it is open;

[0031] Figure 8 For the present invention Figure 7 A partial schematic diagram of the structure at D in the middle;

[0032] Fig. 9 It is a schematic diagram of the internal structure of the limiter in the present invention;

[0033] Fig.10 The structure of the present invention is cut away Figure 3 ;

[0034] Fig.11 The flowchart of the use of the present invention.

[0035] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0036] 1. Fixed pliers; 2. Movable pliers; 3. Fixed handle; 4. Movable handle; 5. First spring member; 6. Second spring member; 7. Handle slot; 8. Sampling member; 9. Sampling slot; 10. Bump; 11. Connecting seat; 12. Side mounting member; 13. Upper limit slot; 14. Mounting shaft; 15. Fixed tooth plate; 16. Movable gear; 17. Movable slot; 18. Active disk; 19. Limiting member; 20. Toggle lever; 21. Limiting plate; 22. Intermediate shaft; 23. Spring rod; 24. Driven disk; 25. Movable member; 26. Embedded slot; 27. Upper ratchet; 28. Lower ratchet; 29. ​​Snap-on tooth; 30. Limiting slot; 31. Electric heating member. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 10 , the present invention provides a technical solution:

[0039] A cervical biopsy forceps and a method for using the same, comprising a fixed forceps 1, a fixed handle 3 is fixedly mounted on one end of the fixed forceps 1, a movable handle 4 is provided at one end of the fixed forceps 1 close to the fixed handle 3, a movable forceps 2 is provided at the upper end of the movable handle 4, the movable forceps 2 is slidably connected to the upper surface of the fixed forceps 1, a mounting shaft 14 is rotatably mounted on one end of the movable forceps 2 away from the fixed handle 3, a connecting seat 11 is fixedly mounted on the mounting shaft 14, a sampling piece 8 is fixedly mounted on one end of the connecting seat 11 away from the mounting shaft 14, a bump 10 is fixedly mounted on one end of the sampling piece 8 away from the mounting shaft 14, side mounting pieces 12 are fixedly mounted on the movable forceps 2 at positions corresponding to both ends of the mounting shaft 14, a sampling device is provided in the side mounting piece 12, and the sampling device can cooperate with the horizontal movement of the movable forceps 2 to clamp living tissue.

[0040] Among them, the sampling equipment includes a fixed tooth plate 15, which is fixedly installed on the upper surface of the fixed clamp 1, and a movable groove 17 is opened on the lower surface of the movable clamp 2 corresponding to the position of the fixed tooth plate 15. The two ends of the mounting shaft 14 are fixedly installed with movable gears 16 corresponding to the positions of the side mounting parts 12, and the movable gears 16 are meshed with the fixed tooth plate 15.

[0041] Among them, both ends of the installation shaft 14 extend into the movable pliers 2 and are fixedly installed with active disks 18. The end of the active disk 18 away from the installation shaft 14 is fixedly installed with a toggle rod 20. A locking device is provided at the position corresponding to the active disk 18 in the movable pliers 2.

[0042] Among them, the locking device includes a limit member 19 and a limiting groove 30. The limit member 19 is fixedly installed in the movable pliers 2. A driven disk 24 is rotatably installed in the limit member 19. The limiting groove 30 is arranged at positions on both sides of the movable pliers 2 corresponding to the limit member 19. One end of the driven disk 24 is rotatably connected to the limiting groove 30, and the driven disk 24 is rotatably connected to the limiting groove 30.

[0043] Among them, an intermediate shaft 22 is fixedly installed on the side of the driven disk 24 close to the active disk 18, and limiting plates 21 are fixedly installed on both sides of the active disk 18 corresponding to the intermediate shaft 22. A movable part 25 is slidably connected in the limiting plate 21, and an embedding groove 26 is provided on the movable part 25. The end of the toggle rod 20 away from the active disk 18 is embedded in the embedding groove 26. A spring rod 23 is fixedly installed on the movable part 25, and the end of the spring rod 23 away from the movable part 25 is fixedly connected to the intermediate shaft 22.

[0044] Among them, the movable parts 25 are fixedly installed with engaging teeth 29, the lower end of the limiting part 19 is fixedly installed with a lower ratchet 28, and the upper ratchet 27 is arranged above the lower ratchet 28. The engaging teeth 29 on the movable parts 25 on both sides are respectively engaged with the upper ratchet 27 and the lower ratchet 28.

[0045] Among them, an electric heating element 31 is fixedly installed in the fixed clamp 1, a sampling groove 9 is provided on the upper surface of one end of the fixed clamp 1 close to the sampling piece 8, an upper limit groove 13 is provided on the lower surface of the sampling piece 8, and the upper limit groove 13 is matched with the sampling groove 9, a handle groove 7 is provided at the lower end of the movable handle 4, a first spring element 5 is fixedly installed on one end of the movable handle 4 close to the fixed handle 3, and a second spring element 6 is fixedly installed on one end of the fixed handle 3 close to the movable handle 4, and the upper ends of the first spring element 5 and the second spring element 6 are in contact with each other.

[0046] In the present invention, the front movable handle 4 is used away from the fixed handle 3. At this time, the sampling piece 8 keeps the horizontal upper limit groove 13 above the sampling groove 9. The user holds the fixed handle 3 to guide the fixed forceps 1 and the movable forceps 2 into the patient's cervix, and moves the front ends of the fixed forceps 1 and the movable forceps 2 to the sampling living tissue position. When sampling is required, the user presses the movable handle 4 to lower the movable handle 4 toward the fixed handle 3. The movable handle 4 moves to pull the movable forceps 2 to slide toward the fixed handle 3. The movable forceps 2 moves to drive the sampling piece 8 to slide. The sliding of the sampling piece 8 causes the movable gear 16 thereon to interact with the fixed tooth plate 15, so that the movable gear 1 6 rotates to drive the mounting shaft 14 to rotate, and the mounting shaft 14 rotates to drive the sampling member 8 to rotate toward the movable clamp 2, so that the sampling member 8 is opened, and then the movable handle 4 is pushed to make the movable handle 4 away from the fixed handle 3, so that the movable clamp 2 moves away from the fixed handle 3, and then the movable gear 16 and the fixed tooth plate 15 move in the opposite direction, and the sampling member 8 moves toward the sampling slot 9, so that the protrusion 10 on the sampling member 8 scrapes the living tissue and collects the living tissue into the sampling slot 9. The user continues to push the movable handle 4 until the sampling member 8 is in a horizontal state. At this time, the living tissue is stably clamped in the sampling slot 9 and the upper limit slot 13.

[0047] The movable pliers 2 in the present invention move and drive the movable gear 16 to move on the fixed tooth plate 15, so that the movable gear 16 interacts with the fixed tooth plate 15 to drive the movable gear 16 to rotate, and the rotation of the movable gear 16 drives the mounting shaft 14 to rotate, and the rotation of the mounting shaft 14 drives the sampling piece 8 to rotate, and the rotation of the mounting shaft 14 drives the active disk 18 to rotate, and the rotation of the active disk 18 drives the toggle lever 20 to rotate, so that the toggle lever 20 squeezes the movable piece 25, so that the movable piece 25 moves toward the middle shaft 22, so that the engaging teeth 29 are disengaged from the upper ratchet teeth 27 and the lower ratchet teeth 28, and then the toggle lever 20 drives the driven disk 24 to rotate, and the driven disk 24 is damped and connected with the limiting groove 30. When the user stops applying pressure to the movable handle 4, the driven disk 24 is locked with the limiting groove 30, thereby ensuring that the sampling piece 8 can be stably maintained at any angle, avoiding the unstable situation of continuous manual force application, and ensuring that the opening and closing size of the sampling pliers can be stably maintained at any angle.

[0048] Another object of the present invention is to provide a technical solution:

[0049] A method for using a cervical biopsy forceps comprises the following steps:

[0050] Step 1: Combine the upper limit slot 13 and the sampling slot 9 on the sampling member 8;

[0051] Step 2: After merging, insert the fixed forceps 1 and the movable forceps 2 into the patient's cervix;

[0052] Step 3: Press the movable handle 4, the movable handle 4 pulls the movable clamp 2, and the movable clamp 2 slides on the fixed clamp 1 toward the fixed handle 3, thereby driving the sampling piece 8 to rotate and open;

[0053] Step 4: Push the movable handle 4 in the reverse direction, the movable clamp 2 automatically resets, and the sampling member 8 rotates toward the sampling slot 9 under the interaction of the movable gear 16 and the fixed tooth plate 15, and the living tissue is scraped through the protrusion 10 during the rotation;

[0054] Step 5: The sampling member 8 is rotated to a horizontal position to clamp the living tissue between the sampling slot 9 and the upper limit slot 13 .

Claims

1. A cervical biopsy forceps, comprising a fixing forceps (1), characterized in that: A fixed handle (3) is fixedly mounted on one end of the fixed clamp (1); a movable handle (4) is arranged on one end of the fixed clamp (1) close to the fixed handle (3); a movable clamp (2) is arranged on the upper end of the movable handle (4); the movable clamp (2) is slidably connected to the upper surface of the fixed clamp (1); a mounting shaft (14) is rotatably mounted on one end of the movable clamp (2) away from the fixed handle (3); a connecting seat (11) is fixedly mounted on the mounting shaft (14); a sampling member (8) is fixedly mounted on one end of the connecting seat (11) away from the mounting shaft (14); a protrusion (10) is fixedly mounted on one end of the sampling member (8) away from the mounting shaft (14); side mounting members (12) are fixedly mounted on the movable clamp (2) at positions corresponding to both ends of the mounting shaft (14); a sampling device is arranged in the side mounting member (12); the sampling device can cooperate with the horizontal movement of the movable clamp (2) to clamp living tissue.

2. The cervical biopsy forceps according to claim 1, characterized in that: The sampling device comprises a fixed tooth plate (15), wherein the fixed tooth plate (15) is fixedly mounted on the upper surface of the fixed jaw (1), a movable groove (17) is provided on the lower surface of the movable jaw (2) at a position corresponding to the fixed tooth plate (15), and movable gears (16) are fixedly mounted at both ends of the mounting shaft (14) at positions corresponding to the side mounting member (12), and the movable gears (16) are meshed with the fixed tooth plate (15).

3. The cervical biopsy forceps according to claim 2, characterized in that: Both ends of the mounting shaft (14) extend into the interior of the movable caliper (2) and are fixedly mounted with active disks (18); an end of the active disk (18) away from the mounting shaft (14) is fixedly mounted with a toggle rod (20); and a locking device is provided at a position in the movable caliper (2) corresponding to the active disk (18).

4. The cervical biopsy forceps according to claim 3, characterized in that: The locking device comprises a limit member (19) and a limit groove (30); the limit member (19) is fixedly mounted in the movable clamp (2); a driven disk (24) is rotatably mounted in the limit member (19); the limit groove (30) is arranged at positions on both sides of the movable clamp (2) corresponding to the limit member (19); one end of the driven disk (24) is rotatably connected to the limit groove (30); and the driven disk (24) is rotatably connected to the limit groove (30).

5. The cervical biopsy forceps according to claim 4, characterized in that: An intermediate shaft (22) is fixedly mounted on one side of the driven disk (24) close to the active disk (18); limiting plates (21) are fixedly mounted on both sides of the active disk (18) corresponding to the intermediate shaft (22); a movable part (25) is slidably connected in the limiting plate (21); an embedding groove (26) is provided on the movable part (25); one end of the toggle rod (20) away from the active disk (18) is embedded in the embedding groove (26); a spring rod (23) is fixedly mounted on the movable part (25); one end of the spring rod (23) away from the movable part (25) is fixedly connected to the intermediate shaft (22).

6. The cervical biopsy forceps according to claim 5, characterized in that: The movable parts (25) are fixedly mounted with engaging teeth (29), the lower end of the limiting part (19) is fixedly mounted with lower ratchet teeth (28), upper ratchet teeth (27) are arranged above the lower ratchet teeth (28), and the engaging teeth (29) on the movable parts (25) at both sides are respectively meshed with the upper ratchet teeth (27) and the lower ratchet teeth (28).

7. The cervical biopsy forceps according to claim 1, characterized in that: An electric heating element (31) is fixedly installed in the fixed clamp (1); a sampling groove (9) is provided on the upper surface of one end of the fixed clamp (1) close to the sampling element (8); an upper limit groove (13) is provided on the lower surface of the sampling element (8); the upper limit groove (13) fits with the sampling groove (9); a handle groove (7) is provided at the lower end of the movable handle (4); a first spring element (5) is fixedly installed on one end of the movable handle (4) close to the fixed handle (3); a second spring element (6) is fixedly installed on one end of the fixed handle (3) close to the movable handle (4); the upper ends of the first spring element (5) and the second spring element (6) are in contact with each other.

8. A method for using a cervical biopsy forceps, applicable to any one of claims 1 to 7, characterized in that: Includes steps: Step 1: combining the upper limit slot (13) and the sampling slot (9) on the sampling member (8); Step 2: After merging, the fixed forceps (1) and the movable forceps (2) are inserted into the patient's cervix; Step 3: Press the movable handle (4), the movable handle (4) pulls the movable clamp (2), and the movable clamp (2) slides on the fixed clamp (1) toward the fixed handle (3), thereby driving the sampling member (8) to rotate and open; Step 4: Push the movable handle (4) in the reverse direction, the movable clamp (2) automatically resets, and the sampling member (8) rotates toward the sampling slot (9) under the interaction of the movable gear (16) and the fixed tooth plate (15), and the living tissue is scraped through the protrusion (10) during the rotation process; Step 5: The sampling member (8) is rotated to a horizontal position to clamp the living tissue between the sampling slot (9) and the upper limit slot (13).

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