CN110680411A

CN110680411A - Cervical puncture biopsy forceps and using method thereof

Info

Publication number: CN110680411A
Application number: CN201910955525.3A
Authority: CN
Inventors: 李玮; 袁双虎; 韩毅; 孟祥伟; 马志祥
Original assignee: Shandong University
Current assignee: Shandong University
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-01-14
Anticipated expiration: 2039-10-09
Also published as: CN110680411B

Abstract

The invention discloses cervical puncture biopsy forceps and a using method thereof, and the cervical puncture biopsy forceps comprises a shell, a first cavity positioned in the left half part of the shell, a square second cavity positioned in the right half part of the shell, a third cavity positioned in the middle part of the shell and a forceps head device positioned at the bottom of the shell and on the same side as the second cavity; a lighting device is arranged in the first cavity, and a tong head adjusting device is arranged in the second cavity; the lighting device comprises a lighting lamp, a first rotating shaft, an adjusting wheel and a vertical rod; the tong head adjusting device comprises a cross rod, a second rotating shaft, a wire roller, a gear and a pull rope; the binding clip device comprises a needle tube, a binding clip arranged at the bottom end of the needle tube, a cutter arranged on the binding clip and an accommodating plate.

Description

Cervical puncture biopsy forceps and using method thereof

Technical Field

The invention relates to the technical field of biopsy forceps, in particular to cervical puncture biopsy forceps convenient for adjusting an illumination angle and a using method thereof.

Background

The biopsy forceps are a medical examination sampling device, and refer to minimally invasive sampling operation of living tissues in a specified area of a human body by using a forceps head and a cutter which extend into the surface or the inside of the body of a normal human body.

The inventor finds in the development process that the biopsy forceps still have the following problems in practical use:

1. in order to facilitate the clear observation of a doctor on a human body sampling area, corresponding illuminating lamps are generally arranged outside the biopsy forceps for cervical treatment, but because the illuminating lamps can only be arranged outside and the illumination angle is not adjustable, a lighting blind area still exists in the actual use process;

2. the forceps head is an important part in the biopsy forceps, and the forceps head can perform puncture and sampling operations under the operation of medical care personnel, so that the position accuracy of the forceps head in the human body is very important, and whether the medical care personnel can take out satisfactory lesion samples in the least times is determined;

3. the hand-held part of current needle tubing and binding clip and biopsy forceps is fixed connection, leads to medical personnel when adjusting the binding clip position, and its existing equipment such as camera that is used for surveing the binding clip position also can synchronous motion, leads to medical personnel's misoperation and sample position mistake easily, has increased patient's painful degree, and the design is unreasonable.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides cervical puncture biopsy forceps and a using method thereof.

The technical scheme of the cervical puncture biopsy forceps provided by the invention on the one hand is as follows:

a cervical puncture biopsy forceps is characterized by comprising a shell, a first cavity positioned in the left half part of the shell, a square second cavity positioned in the right half part of the shell, a third cavity positioned in the middle part of the shell, and a forceps head device positioned at the bottom of the shell and on the same side as the second cavity; the first cavity is internally provided with a lighting device, and the second cavity is internally provided with a tong head adjusting device.

Furthermore, the lighting device comprises a lighting lamp, a first rotating shaft, an adjusting wheel and a vertical rod;

the first rotating shaft is positioned at the lower part in the first cavity, and two ends of the first rotating shaft are respectively in rotating connection with the inner wall of the first cavity; the first rotating shaft is symmetrically provided with two illuminating lamps;

the adjusting wheel is horizontally arranged at the upper part in the first cavity, and the edge part of the adjusting wheel passes through the side arm of the first cavity and protrudes to the outside; the center of the adjusting wheel is fixedly connected with the vertical rods which are vertically distributed, the top ends of the vertical rods are rotatably connected with the top of the first cavity, and driving bevel gears which are horizontally distributed are fixedly installed at the bottom ends of the vertical rods; and fan-shaped bevel gears which are vertically distributed and meshed with the driving bevel gears are fixedly arranged on the first rotating shaft between the two illuminating lamps.

Furthermore, a transparent cover is arranged on the shell at the bottom of the first cavity and corresponds to the illuminating lamp.

Furthermore, transparent baffles which are horizontally distributed are fixed at the top and the bottom of the third cavity, and two reflectors which are inclined in the same direction and are arranged in parallel are arranged below the transparent baffle at the bottom of the third cavity.

Furthermore, the tong head adjusting device comprises a cross rod, a second rotating shaft, a wire roller, a gear and a pull rope;

two ends of the second rotating shaft are respectively and rotatably connected with the inner wall of the second cavity, and the second rotating shaft is fixedly provided with a horizontally distributed wire roller and a vertically distributed gear;

the cross rod is positioned above the gear, a plurality of tooth blocks which are distributed at equal intervals and are meshed with the gear are fixed on the lower end face of one end of the cross rod, a spring is arranged in the middle of the cross rod, one end of the spring is connected with the cross rod, and the other end of the spring is fixedly connected with the inner wall of the second cavity;

the pull rope is wound and distributed on the wire roller, and the other end of the pull rope penetrates out of the shell to be connected with the tong head device.

Furthermore, the binding clip adjusting device further comprises a pressing plate arranged on the outer side wall of the shell positioned on one side of the second cavity, one end of the pressing plate is fixedly connected with the shell, and the other end of the pressing plate is connected with the other end of the cross rod in a sliding manner, wherein the other end of the cross rod extends out of the shell.

Furthermore, the binding clip device comprises a needle tube, a binding clip arranged at the bottom end of the needle tube, a cutter arranged on the binding clip and an accommodating plate; the two sides of the top end of the needle tube are respectively connected with the bottom of the shell in a sliding mode through sliding rods.

Furthermore, the binding clip device also comprises a binding clip control device, and the binding clip control device comprises a control rod connected with the rear side wall of the needle tube and a control plate positioned on the back of the shell; the control panel is rotatably connected with the back of the shell through a transverse shaft; the lower part of the control panel is provided with a rod groove, and the other end of the control rod is positioned in the rod groove.

The technical scheme of the using method of the cervical puncture biopsy forceps provided by the invention on one hand is as follows:

a method of using cervical biopsy forceps, the method comprising the steps of:

after the dilator for cervical examination is placed, the needle tube and the forceps head of the forceps head device are deeply inserted into the dilator, and the forceps head is observed through the third cavity;

if the condition that light is insufficient and cannot be clearly observed occurs, a regulating wheel of the lighting device is shifted, the regulating wheel drives the vertical rod to synchronously rotate in the first cavity, and the lighting lamp is driven to correspondingly deflect by a certain angle through the first rotating shaft, so that the illumination angle is adjusted;

if the slicing position is found to be inaccurate in the observation process, the control panel is rotated, and the needle tube and the forceps head are driven to move through the control rod;

after the puncture, the manual pressing plate carries out the operation of cutting into slices, and after the pressing plate was being exerted force, the horizontal pole was slided in the horizontal direction in step, drives the cutter through the stay cord and carries out the operation of cutting into slices, takes out the needle tubing and the binding clip of binding clip device after the section was accomplished.

Through the technical scheme, the invention has the beneficial effects that:

(1) the invention can adjust the irradiation angle of the illuminating lamp in real time, can conveniently and transversely adjust the position of the binding clip after the binding clip extends into a human body, has more reasonable design, can observe the position of the inner binding clip without using an external instrument, and is more convenient to use;

(2) the illuminating lamp adjusting device is composed of the vertical rod, the adjusting wheel and the like, so that a user can conveniently adjust the illumination angle of the illuminating lamp from the outside directly, and the adjusting wheel is arranged on the upper part of the shell which does not enter the human body, so that the operation is more convenient;

(3) according to the invention, the cavity and the plurality of reflectors which are convenient for observation are arranged, so that a user can observe the clamp head directly from the top end of the shell by utilizing the light reflection principle, and the design is more reasonable;

(4) according to the invention, the cutter control device composed of the structure of the cross rod, the tooth block, the pull rope and the like is arranged, so that a user can conveniently control the closing state of the cutter on the forceps head, and the operation process is not influenced by the position adjustment of the needle tube and the forceps head;

(5) according to the invention, the binding clip control device composed of the control rod, the control panel and the like is arranged, so that a user can directly adjust and change the position of the internal binding clip from the outside after observing the position of the binding clip, and the observation structure does not correspondingly move in the adjustment process, thereby ensuring the sampling accuracy.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention.

Fig. 1 is a schematic front sectional view of a cervical biopsy forceps according to the present embodiment;

fig. 2 is a schematic top sectional view of a cervical biopsy forceps according to the present embodiment;

fig. 3 is a schematic left-side sectional view of a cervical biopsy forceps according to the present embodiment;

fig. 4 is a schematic diagram of a right-side cross-sectional structure of the cervical biopsy forceps according to the embodiment;

FIG. 5 is a schematic cross-sectional front view of the binding clip device according to the present embodiment;

FIG. 6 is a schematic diagram of the right side external structure of the present invention;

fig. 7 is a right side view of the cervical biopsy forceps according to the present embodiment.

In the figure: 1. a housing; 2. an illuminating lamp; 3. a transparent cover; 4. a first rotating shaft; 5. an adjustment wheel; 6. a vertical rod; 61. driving the bevel gear; 62. fan-shaped bevel gear; 7. a third cavity; 8. a transparent baffle; 81. a first reflective mirror; 82. a second reflective mirror; 9. a binding clip; 10. a needle tube; 11. a cutter; 12. a receiving plate; 13. a pressing plate; 14. a cross bar; 141. a spring; 142. a tooth block; 143. all-gear; 15. a second rotating shaft; 16. a wire roller; 17. pulling a rope; 171. a first threading hole 172 and a second threading hole; 18. a slide bar; 19. a chute; 20. a control lever; 201. a rod groove; 202. a control panel; 203. transverse axis, 21, first cavity, 23, second cavity.

Detailed Description

The invention is further described with reference to the following figures and examples.

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As introduced in the background art, because the illuminating lamp of the biopsy forceps can only be arranged outside and the illumination angle is not adjustable, the phenomenon of illumination blind area still exists in the practical use; due to the fact that the overall structural design of the existing biopsy forceps is unreasonable, medical workers cannot directly observe the relative position between the biopsy forceps and a focus outside without external instruments; the needle tubing and the hand-held part of the forceps head and the biopsy forceps are fixedly connected, so that when medical workers adjust the positions of the forceps heads, the medical workers can synchronously move the cameras and other existing equipment used for observing the positions of the forceps heads, and misoperation and sampling position errors of the medical workers are easily caused.

In order to solve the technical problem, the embodiment provides a cervical biopsy forceps convenient for adjusting the illumination angle, which can adjust the illumination angle of an illumination lamp in real time, and can perform convenient and fast transverse adjustment on the position of the forceps head after the forceps head extends into a human body, so that the design is more reasonable, and the position of the internal forceps head can be observed under the condition that no external instrument is used, so that the cervical biopsy forceps are more convenient to use.

Fig. 1 is a schematic front sectional view of a cervical biopsy forceps according to this embodiment. Fig. 2 is a schematic top sectional view of the cervical biopsy forceps according to the present embodiment. As shown in fig. 1 and fig. 2, the cervical biopsy forceps includes a housing 1, a square first cavity 21 located in the left half of the housing 1, a square second cavity 22 located in the right half of the housing 1, a cylindrical third cavity 7 located in the middle of the housing, and a forceps head device located on the right side of the bottom surface of the housing.

Fig. 3 is a schematic left-side sectional view of the cervical biopsy forceps according to this embodiment. As shown in fig. 1-3, an illuminating lamp 2, a first rotating shaft 4, an adjusting wheel 5 and a vertical rod 6 are arranged in the first cavity 21; the first rotating shaft 4 is positioned at the lower part in the first cavity, and two ends of the first rotating shaft 4 are respectively in rotating connection with the inner wall of the first cavity 21; the first rotating shaft 4 is symmetrically provided with two illuminating lamps 2, and the two illuminating lamps 4 are symmetrically distributed relative to the central line of the first rotating shaft 4; the adjusting wheel 5 is positioned at the upper part in the first cavity, the adjusting wheel 5 is horizontally arranged at the upper part in the first cavity, and the edge part of the adjusting wheel 5 penetrates through the side arm of the first cavity and protrudes to the outside; the vertical rods 6 which are vertically distributed are fixedly connected to the center of the adjusting wheel 5, the top ends of the vertical rods 6 are rotatably connected with the top of the first cavity 21, and driving bevel teeth 61 which are horizontally distributed are fixedly mounted at the bottom ends of the vertical rods 6; the first rotating shaft 4 is fixedly provided with vertically distributed fan-shaped bevel teeth 62 meshed with the driving bevel teeth 61, and the fan-shaped bevel teeth 62 are positioned between 2 illuminating lamps 2; a transparent cover 3 is arranged on the shell at the bottom of the first cavity and corresponds to the illuminating lamp.

During the use, if the condition that the unable observation of light is clear if appearing inadequately, medical personnel stir regulating wheel 5, regulating wheel 5 drives the synchronous rotation in first cavity 21 of montant 6, drive fan-shaped awl tooth 62 through drive awl tooth 61 and rotate, under the meshing drive effect of drive awl tooth 61 and fan-shaped awl tooth 62, first pivot 4 can be in the rotation state simultaneously, make the corresponding certain angle that deflects of light 2 of installing on first pivot 4, thereby realize carrying out the purpose of convenient adjustment to the illumination angle.

As shown in fig. 1, the third cavity 7 is located between the first cavity 21 and the second cavity 22 and serves as an observation channel, the top and the bottom of the third cavity 7 are both fixed with transparent baffles 8 which are horizontally distributed, a first reflective mirror 81 and a second reflective mirror 82 are arranged below the transparent baffle 8 which is located at the bottom of the third cavity 7, and the first reflective mirror 81 and the second reflective mirror 82 are respectively and fixedly connected with the bottom surface of the housing; the first reflective mirror 81 and the second reflective mirror 82 are inclined in the same direction and parallel to each other, and the first reflective mirror 81 is located at a side close to the forceps head 9, under the illumination environment provided by the illumination lamp 2, the light of the forceps head 9 and the lesion area near the forceps head 9 is reflected to the mirror surface of the second reflective mirror 82 through the first reflective mirror 81, and the light is transmitted through each transparent baffle 8 through the second reflective mirror 82 to be observed by the eyeball of the user, so that the purpose of observing the lesion and the position information of the forceps head 9 without using an external device is achieved.

Fig. 4 is a schematic diagram of a right-side sectional structure of the cervical biopsy forceps according to the embodiment. As shown in fig. 1, 2 and 4, a cross bar 14, a second rotating shaft 15, a line roller 16, a full gear 143 and a pull rope 17 are arranged in the second cavity 22; the second rotating shaft 15 is located in the second cavity 22, two ends of the second rotating shaft 15 are respectively rotatably connected with the inner wall of the second cavity 22, and the horizontally distributed wire rollers 16 and the vertically distributed full gears 143 are fixedly mounted on the second rotating shaft 15; the cross bar is positioned above the full gear 143, a plurality of tooth blocks 142 which are distributed at equal intervals and are meshed with the full gear 143 are fixed on the lower end face of one end of the cross bar 14, a spring 141 is arranged in the middle of the cross bar 14, one end of the spring 141 is connected with the cross bar 14, and the other end of the spring 141 is fixedly connected with the inner wall of the second cavity, so that the cross bar 14 and the shell 1 form a sliding connection structure; the other end of the cross rod 14 penetrates through the shell wall of the shell and is connected with the pressing plate 13 in a sliding manner; the pull rope 17 is wound and distributed on the wire roller 16, the other end of the pull rope 17 is connected with the inner surface of the cutter 11, a first threading hole 171 is formed in the shell below the second cavity, a second threading hole 172 is formed in the middle of the tong head 9, the other end of the pull rope 17 penetrates through the first threading hole 171, the needle tube 10 and the second threading hole 172 and extends to the inner surface of the cutter 11, and the cutter 11 and the pull rope 17 are bonded or bound.

Fig. 5 is a front sectional view schematically illustrating the binding clip device according to the present embodiment. As shown in fig. 5, the binding clip device includes a binding clip 9, a needle tube 10, a cutter 11, a containing plate 12, two sliding rods 18, two sliding chutes 19 and a control rod 20, wherein the two sliding chutes 19 are symmetrically arranged on the bottom surface of the housing and symmetrically distributed on two sides of the needle tube 10, the sliding rods 18 are fixedly connected to two sides of the top of the needle tube 10, respectively, and the top ends of the sliding rods 18 are slidably connected inside the sliding chutes 19; the forceps head 9 is arranged at the bottom of the needle tube 10, a cutter 11 and an accommodating plate 12 are arranged on the forceps head 9, and the top end of the cutter 11 is connected with the lower end face of the forceps head 9 through an elastic sheet; a control rod 20 is arranged on one side face of the needle tube 10, the control rod 20 is horizontally distributed, and the end head of the control rod is fixedly connected with the needle tube 10.

Fig. 7 is a rear view of the cervical biopsy forceps according to the present embodiment. As shown in fig. 7, the back of the housing 1 is provided with a control board 202, and the center of the control board 202 is rotatably connected with the back of the housing through a transverse shaft 203; the lower portion of the control plate 202 is formed with a rod groove 201, and the other end of the control rod 20 is engaged in the rod groove 201.

When the device is used, the positions of the binding clip and the needle tube need to be adjusted, the device does not need to be integrally inclined, the control plate 202 can be directly rotated, the bottom end of the control plate 202 can deflect correspondingly, the rod groove 201 at the lower part of the control plate can synchronously pull the control rod 20 to move towards a corresponding direction, the control rod 20 is fixedly connected with the needle tube 10, and the needle tube 10 and the binding clip 9 are driven to move together through the control rod 20.

Fig. 6 is a right side view of the cervical biopsy forceps according to the present embodiment. As shown in fig. 6, a pressing plate 13 is installed on the right side wall of the housing 1, one end of the pressing plate 13 is hinged to the right side wall of the housing 1, and the other end is slidably connected with a cross bar 14; after the puncture, the pressing plate 13 is manually pressed to perform the slicing operation, after the pressing plate 13 is applied with force, the cross bar 14 slides in the horizontal direction synchronously, and the pull rope 17 drives the cutter 11 to perform the slicing operation on the focus in a rotating and closing manner by sliding in the threading groove 171.

In this embodiment, the pull cord may be a medical pull cord.

As shown in fig. 1-7, when the cervical biopsy forceps provided in this embodiment are used, a user can hold the entire housing 1 with a single hand, and extend the needle tube 10 and the forceps head 9 into the patient, so that a medical worker can directly observe the condition of the forceps head 9 from the transparent baffle 8 at the top end; the medical staff stirs the adjusting wheel 5, the adjusting wheel 5 drives the vertical rod 6 to synchronously rotate in the first cavity 21, the fan-shaped bevel gear 62 is driven to rotate by the driving bevel gear 61, and the first rotating shaft 4 is synchronously in a rotating state under the meshing transmission action of the driving bevel gear 61 and the fan-shaped bevel gear 62, so that the illuminating lamp 2 installed on the first rotating shaft 4 correspondingly deflects for a certain angle, and the purpose of conveniently adjusting the illumination angle is realized; if the medical staff finds that the slicing position is inaccurate in the observation process, the positions of the forceps head 9 and the needle tube 10 need to be adjusted, the whole device does not need to be inclined, the control plate 202 located on the side of the shell 1 can be directly rotated, and the needle tube 10 and the forceps head 9 are driven to move together through the rod groove 201 and the control rod 20; after the puncture, the manual pressing plate 13 is used for slicing, after the pressing plate 13 is applied with force, the cross rod 14 can synchronously slide in the horizontal direction, the pull rope 17 can carry out slicing operation on the focus in a sliding mode in the threading groove 171 and a mode of driving the cutter 11 to rotate and close, and after the slicing operation is finished, the whole device is taken out, and the sliced section is taken out.

The working principle of the cervical puncture biopsy forceps related to the embodiment is as follows:

after the placement of the dilator required for the cervical examination is completed, a user can firstly hold the whole shell 1 with one hand, and integrally extend the needle tube 10 and the forceps head 9 into the body of a person to be detected, as shown in fig. 1, the user can directly observe the forceps head 9 and the condition of a focus of a patient from the transparent baffle 8 positioned at the top end, under the illumination environment provided by the illuminating lamp 2, the light of the forceps head 9 and the focus area nearby the forceps head can be reflected onto the mirror surface of the second reflecting mirror 82 through the first reflecting mirror 81, and the light passes through the transparent baffles 8 through the second reflecting mirrors 82 to be observed by eyeballs of medical staff, so that the purpose of observing the focus and the position information of the forceps head 9 without using external equipment is achieved;

if the situation that the light is insufficient and cannot be clearly observed occurs, a user can slightly dial the adjusting wheel 5 in the fig. 1 by using the other hand, the adjusting wheel 5 can drive the vertical rod 6 to synchronously rotate in the first cavity 21 of the shell 1, when the vertical rod 6 in fig. 2 is in a rotating state, the driving bevel teeth 61 at the bottom end of the vertical rod can synchronously rotate, and under the meshing transmission action of the driving bevel teeth 61 and the fan-shaped bevel teeth 62 at the side of the driving bevel teeth, the first rotating shaft 4 in fig. 2 and fig. 1 can synchronously rotate, so that the illuminating lamp 2 arranged on the first rotating shaft 4 correspondingly deflects for a certain angle, and the purpose of conveniently adjusting the illumination angle is achieved;

if the user finds the slicing position inaccurate during the observation process and needs to adjust the position of the binding clip 9 and the needle tube 10, without tilting the whole device, the control panel 202 located at the side of the hand-held housing 1 can be directly rotated, and when the control panel 202 in fig. 7 is rotated, the horizontal axis 203 of the central area thereof correspondingly rotates on the surface of the housing 1, and due to the lever principle, the bottom end of the control panel 202 correspondingly deflects, the rod groove 201 at the bottom end thereof synchronously pulls the control rod 20 to move towards the corresponding direction, the control rod 20 is fixedly connected with the needle tube 10, so that the control rod 20 carries the needle tube 10 and the binding clip 9 together to move, and the slide bar 18 at the top end of the needle tube 10 simultaneously slides in the slide groove 19, thereby ensuring the stable connection of the needle tube 10 and the hand-held housing 1 as a whole, and achieving the purpose of transversely adjusting the position of the needle tube 10 and the binding clip 9, the wire hole 171 can still maintain the normal communication state with the needle tube 10;

when the position of the focus and the forceps head 9 is determined, a user can start slicing and sampling operations, at this time, after puncturing, the manual pressing plate 13 can be used for slicing operations, after the pressing plate 13 is applied with force, the bottom end of the pressing plate can rotate on the surface of the hand-held shell 1, the cross rod 14 at the top end of the pressing plate can synchronously slide in the horizontal direction, under the meshing transmission action of the tooth block 142 and the full gear 143 in fig. 1 and 4, the full gear 143 can drive the rotating shaft 15 to synchronously rotate, so that the string roller 16 fixed on the rotating shaft 15 can correspondingly tighten the pulling rope 17, as shown in fig. 5, when the pulling rope is tightened, the pulling rope 17 moves upwards, the pulling rope 17 can drive the cutter 11 to slice the focus in a rotating and closing mode by sliding in the string hole 171, after slicing is completed, the device is integrally taken out, the pressing plate 13 is loosened, and under the resilience action of the spring 141 and the cutter, the cutter 11 is rotated and unfolded from the containing plate 12, and the cut piece is taken out.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims

1. A cervical puncture biopsy forceps is characterized by comprising a shell, a first cavity positioned in the left half part of the shell, a square second cavity positioned in the right half part of the shell, a third cavity positioned in the middle part of the shell, and a forceps head device positioned at the bottom of the shell and on the same side as the second cavity; the first cavity is internally provided with a lighting device, and the second cavity is internally provided with a tong head adjusting device.

2. The cervical biopsy forceps of claim 1, wherein the illumination device comprises an illumination lamp, a first rotating shaft, an adjusting wheel, and a vertical rod;

3. The cervical biopsy forceps of claim 2, wherein a transparent cover is disposed on the housing at the bottom of the first cavity corresponding to the illumination lamp.

4. The cervical biopsy forceps according to claim 1, wherein a transparent baffle is fixed at the top and the bottom of the third cavity, and two reflectors are arranged below the transparent baffle at the bottom of the third cavity, wherein the reflectors are inclined in the same direction and are parallel to each other.

5. The cervical biopsy forceps of claim 1, wherein the forceps head adjusting device comprises a cross bar, a second rotating shaft, a thread roller, a gear and a pull rope;

6. The cervical biopsy forceps of claim 5, wherein the forceps head adjusting device further comprises a pressing plate disposed on an outer side wall of the housing on one side of the second cavity, one end of the pressing plate is fixedly connected to the housing, and the other end of the pressing plate is slidably connected to the other end of the cross bar extending out of the housing.

7. The cervical biopsy forceps of claim 1, wherein the forceps head device includes a needle tube, a forceps head mounted to a bottom end of the needle tube, and a cutting blade and a receiving plate mounted to the forceps head; the two sides of the top end of the needle tube are respectively connected with the bottom of the shell in a sliding mode through sliding rods.

8. The cervical biopsy forceps of claim 7 wherein the forceps head assembly further includes a forceps head control assembly including a control rod connected to the rear sidewall of the needle cannula and a control plate located on the back of the housing; the control panel is rotatably connected with the back of the shell through a transverse shaft; the lower part of the control panel is provided with a rod groove, and the other end of the control rod is positioned in the rod groove.

9. Method for using cervical biopsy forceps according to one of claims 1 to 8, characterized in that the method comprises the following steps: