Ear-nose-throat foreign body forceps

CN122604471APending Publication Date: 2026-08-21THE NAVAL MEDICAL UNIV OF PLA
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202610985248.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-07-03
Publication Date
2026-08-21

AI Technical Summary

Technical Problem

异物钳在使用时,会将闭合钳口的异物钳经口腔的缓慢送入,使钳头接近异物,随后由医务人员的控制使得钳口缓慢张开,将异物纳入钳口内后,握紧钳柄确认异物已被夹持后缓慢地将异物钳连同异物一同从口腔撤出,在对异物表面有黏液且为光滑的球形或圆柱体异物夹持时,由于异物光滑且存在黏液表面的摩擦系数较低,当通过异物钳的钳口夹持异物时为了防止夹碎异物,一般不会使得钳口产生较大的闭合压力,容易导致后续夹持并携带异物撤离时造成异物滑脱的情况,影响夹持异物时的稳定性和安全性

Benefits of technology

1、本发明,当转动板的侧壁受到弯曲杆二的挤压时,转动板会在方形槽内进行转动,此时转动板前端的弯曲部分便会伸出方形槽外直接接触到异物本体,转动板前端弯曲部分转动后形成单向挡边,能够使得异物向外滑动时被牢牢拉住,而向内推动时阻力较小,便于将异物纳入上钳叶与固定架之间,从而用较小压力即可对异物稳固夹持,避免异物在取出过程中滑脱,提高此设备夹取异物时的稳定性和安全性。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122604471A_ABST
    Figure CN122604471A_ABST
Patent Text Reader

Abstract

The application relates to the technical field of medical devices, and discloses an ear-nose-throat foreign body forceps, which comprises two main bodies and is hingedly arranged between the two main bodies. When the side wall of the rotating plate is extruded by the bending rod II, the rotating plate rotates in the square groove, at this time, the bending part at the front end of the rotating plate extends out of the square groove and directly contacts the foreign body, the bending part at the front end of the rotating plate forms a one-way baffle after rotation, can tightly hold the foreign body when the foreign body slides outward, and has small resistance when the foreign body is pushed inward, so that the foreign body can be easily put into the space between the upper forceps leaf and the fixing frame, the foreign body can be stably clamped by small pressure, the foreign body is prevented from slipping in the taking-out process, and the stability and safety of the device when the foreign body is clamped are improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a foreign body forceps for otolaryngology. Background Technology

[0002] Otolaryngological foreign body forceps are precision instruments designed specifically for otolaryngological medical procedures. Their main function is to safely and accurately grasp, remove, or adjust foreign bodies or diseased tissues in the patient's ear canal, nasal cavity, and pharynx. When using foreign body forceps, the closed jaws are slowly inserted into the mouth, bringing the forceps head close to the foreign object. Then, under the control of the medical staff, the jaws are slowly opened to bring the foreign object into the jaws. After the handles are gripped to confirm that the foreign object has been grasped, the forceps and the foreign object are slowly withdrawn from the mouth. When grasping foreign objects that are smooth and have a viscous surface, such as spherical or cylindrical objects, the friction coefficient of the smooth, viscous surface is low. To prevent crushing the foreign object, the jaws are generally not subjected to large closing pressure when grasping it. This can easily lead to the foreign object slipping out during subsequent withdrawal, affecting the stability and safety of grasping the foreign object. Summary of the Invention

[0003] The purpose of this invention is to provide a foreign body forceps for otolaryngology to solve the problems mentioned in the background art.

[0004] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: This invention relates to a foreign body forceps for otolaryngology, comprising two main bodies hinged together, and further comprising: The opening and closing mechanism is installed on the side wall of the main body and is used to grip foreign objects. An auxiliary mechanism is installed on the side wall of the opening and closing mechanism to prevent foreign objects from slipping out when gripping them.

[0005] Furthermore, the main body includes: The guide component is installed on the side wall of the main body and is used to control the opening and closing mechanism.

[0006] Furthermore, the opening and closing mechanism includes: A fixing component is installed on the side wall of the guide component; The movable component is installed on the side wall of the fixed component and is used to apply clamping force to foreign objects.

[0007] Furthermore, the auxiliary mechanism includes two bent rods disposed on the side wall of the fixed component, and the auxiliary mechanism also includes: Telescopic assembly, the telescopic assembly is installed on the side wall of the bending rod; Deformation component, which is installed on the side wall of telescopic component, can ensure the integrity of telescopic component's reset by deformation of the deformation component; The adsorption component is installed on the side wall of the deformation component.

[0008] Furthermore, the guide assembly includes a bent tube fixedly connected to one of the main body side walls, with a steel wire slidably connected inside the bent tube; One end of the steel wire, closer to the main body, is rotatably connected to the side wall of another main body.

[0009] Furthermore, the opening and closing mechanism includes a fixed frame threadedly connected to the end of the bend away from the main body, and the side wall of the fixed frame is provided with a notch, and the side wall of the notch is provided with two oblique grooves. Among them, the two inclined slots are symmetrically distributed with the middle of the fixed frame as the center; The fixed frame has a sliding block inside, and a return spring is fixedly connected to the side wall of the sliding block. The end of the return spring away from the sliding block is fixedly connected to the side wall of the fixed frame.

[0010] Furthermore, the movable component includes an upper clamp blade rotatably connected to the side wall of the fixed frame, and the side wall of the upper clamp blade is slidably connected to the side wall of the sliding block. A square slot is provided on the side of the upper clamp blade near the fixed frame; The inside of the square groove is rotatably connected to a rotating plate. A flexible layer is fixedly connected to the middle of the rotating plate, and two tension springs are fixedly connected to the side of the rotating plate away from the fixed frame. Two tension springs are symmetrically distributed around the flexible layer. The end of the tension spring away from the rotating plate is fixedly connected to the inner wall of the square groove. An inclined plate is rotatably connected to the side of the upper clamp blade near the fixed frame.

[0011] Furthermore, the bent rod is fixedly connected to the side wall of the upper clamp leaf; The telescopic assembly includes a corrugated plate fixedly connected to the end of the bending rod away from the upper clamp blade, and the end of the corrugated plate away from the bending rod is fixedly connected to the second bending rod. A telescopic rod is fixedly connected to the outer surface of the bending rod, and the end of the telescopic rod away from the bending rod is rotatably connected to the outer surface of the second bending rod. The corrugated plate is an elastically deformable structure.

[0012] Furthermore, the deformation assembly includes a connecting plate fixedly connected between the two telescopic rods, and a diamond-shaped plate rotatably connected to the outer surface of the connecting plate, the diamond-shaped plate being rotatably connected to the side wall of the upper clamp leaf; A rubber sheet is fixedly connected to the side of the diamond-shaped plate near the telescopic rod; The end of the rubber sheet furthest from the diamond-shaped plate is fixedly connected to the side wall of the corrugated plate; The rhomboid plate is an elastically deformable structure.

[0013] Furthermore, the adsorption assembly includes an adsorption box rotatably connected inside the notch groove, with several vertical tubes fixedly connected to the top inner wall of the adsorption box, and a semi-circular plate fixedly connected to the side wall of the adsorption box. In this case, the sidewall of the semicircular plate is in contact with the sidewall of the inclined plate; The top area of ​​the adsorption box and several vertical tubes are made of flexible material.

[0014] The present invention has the following beneficial effects: 1. In this invention, when the side wall of the rotating plate is squeezed by the second bending rod, the rotating plate will rotate in the square groove. At this time, the bent part at the front end of the rotating plate will extend out of the square groove and directly contact the foreign object body. After the bent part at the front end of the rotating plate rotates, it forms a one-way stop, which can firmly hold the foreign object when it slides outward, while the resistance is small when it is pushed inward. This makes it easy to put the foreign object between the upper clamp blade and the fixed frame, so that the foreign object can be firmly clamped with less pressure, preventing the foreign object from slipping out during the removal process, and improving the stability and safety of the device when clamping foreign objects.

[0015] 2. In this invention, when the upper clamp blade closes and the corrugated plate further clamps the foreign object, the corrugated plate will undergo further deformation and drive the second bending rod to slide in the bending rod direction. At this time, the deformation of the corrugated plate can cause the second bending rod to slide and cover the surface of the foreign object to deform according to the size and shape of the foreign object. The tightness of the clamping of the foreign object can be automatically adjusted according to the size of the foreign object, improving the versatility and adaptability when clamping foreign objects, and improving the clamping efficiency when clamping foreign objects.

[0016] 3. In this invention, when the vertical tube contracts, a negative pressure is formed inside, which generates an adsorption force on the surface of the foreign object, allowing the adsorption box to adhere to and adsorb the surface of the foreign object. This reduces the outward pushing force on the foreign object when it is clamped and covered by the corrugated plate and the bent rod, preventing the foreign object from being pushed to one side during clamping. This further enhances the stability of clamping the foreign object and ensures the stability of the foreign object's position during the clamping process.

[0017] 4. In this invention, the diamond plate exerts a relative tensile force on the corrugated plate through the rubber sheet during the resetting process, so that the corrugated plate and the second bending rod can be accurately and completely reset during the resetting process, reducing the situation of incomplete reset and twisting caused by excessive deformation of the corrugated plate and the second bending rod, and improving the stability and clamping strength of continuous clamping.

[0018] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall partial cross-sectional structure of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is a partial exploded cross-sectional view of the fixing component of the present invention; Figure 5 This is a partial exploded view of the fixing component of the present invention; Figure 6 This is a schematic diagram of the auxiliary mechanism of the present invention; Figure 7 This is a schematic diagram of the telescopic component of the present invention; Figure 8 This is a partial cross-sectional schematic diagram of the adsorption component of the present invention.

[0021] The attached diagram lists the components represented by each number as follows: In the diagram: 1. Main body; 11. Guide component; 111. Bend; 112. Steel wire; 2. Opening and closing mechanism; 21. Fixing component; 211. Fixing frame; 212. Sliding block; 213. Notch; 22. Movable component; 221. Upper clamp leaf; 222. Rotating plate; 223. Flexible layer; 224. Inclined plate; 3. Auxiliary mechanism; 301. Bending rod; 31. Telescopic component; 311. Corrugated plate; 312. Bending rod II; 313. Telescopic rod; 32. Deformation component; 321. Connecting plate; 322. Rhomboid plate; 323. Rubber sheet; 33. Adsorption component; 331. Adsorption box; 332. Vertical pipe. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figure 1 - Figure 8As shown, the present invention is a foreign body forceps for otolaryngology, comprising two main bodies 1, which are hinged together, and further comprising: Opening and closing mechanism 2 is installed on the side wall of the main body 1 and is used to grip foreign objects; Auxiliary mechanism 3 is installed on the side wall of opening and closing mechanism 2 to prevent foreign objects from slipping when gripping them.

[0024] Entity 1 includes: The guide component 11 is installed on the side wall of the main body 1 and is used to control the opening and closing mechanism 2 to open and close.

[0025] Opening and closing mechanism 2 includes: Fixing component 21 is mounted on the side wall of guide component 11; The movable component 22 is installed on the side wall of the fixed component 21 and is used to apply clamping force to foreign objects.

[0026] The auxiliary mechanism 3 includes two bent rods 301 disposed on the side wall of the fixed component 21, and the auxiliary mechanism 3 also includes: Telescopic assembly 31 is installed on the side wall of bending rod 301; Deformation component 32 is installed on the side wall of telescopic component 31. The deformation of deformation component 32 can ensure the integrity of the telescopic component 31 when it is reset. Adsorption component 33 is installed on the side wall of deformation component 32.

[0027] The guide assembly 11 includes a bent tube 111 fixedly connected to the side wall of one of the main bodies 1, and a steel wire 112 is slidably connected inside the bent tube 111. One end of the steel wire 112 near the main body 1 is rotatably connected to the side wall of the other main body 1. The worker first holds the two main bodies 1 and closes them. When the two main bodies 1 are closed, the steel wire 112 will push the sliding block 212 to slide. When the sliding block 212 slides, it will push the upper clamp leaf 221 to close with the fixing frame 211.

[0028] The opening and closing mechanism 2 includes a fixing frame 211 threadedly connected to the end of the bend 111 away from the main body 1. The side wall of the fixing frame 211 is provided with a notch 213, and the side wall of the notch 213 is provided with two oblique grooves. Among them, the two inclined slots are symmetrically distributed with the middle part of the fixed frame 211 as the center; The fixed frame 211 has a sliding block 212 inside, and a return spring is fixedly connected to the side wall of the sliding block 212. The end of the return spring away from the sliding block 212 is fixedly connected to the side wall of the fixed frame 211.

[0029] The movable component 22 includes an upper clamp blade 221 rotatably connected to the side wall of the fixed frame 211, and the side wall of the upper clamp blade 221 is slidably connected to the side wall of the sliding block 212. A square groove is provided on the side of the upper clamp blade 221 near the fixing frame 211; A rotating plate 222 is rotatably connected inside the square groove. A flexible layer 223 is fixedly connected to the middle of the rotating plate 222. Two tension springs are fixedly connected to the side of the rotating plate 222 away from the fixed frame 211. Two tension springs are symmetrically distributed around the flexible layer 223. The end of the tension spring away from the rotating plate 222 is fixedly connected to the inner wall of the square groove. The upper clamp leaf 221 is rotatably connected to the side of the fixed frame 211. Then, the staff slowly inserts the closed upper clamp leaf 221 and the fixed frame 211 through the mouth, so that the upper clamp leaf 221 approaches the foreign object. Then, the two main bodies 1 control the upper clamp leaf 221 and the fixed frame 211 to open and put the foreign object into the space between the upper clamp leaf 221 and the fixed frame 211.

[0030] The bending rod 301 is fixedly connected to the side wall of the upper clamp leaf 221; The telescopic assembly 31 includes a corrugated plate 311 fixedly connected to the end of the bending rod 301 away from the upper clamp leaf 221, and a second bending rod 312 is fixedly connected to the end of the corrugated plate 311 away from the bending rod 301. A telescopic rod 313 is fixedly connected to the outer surface of the bending rod 301, and the end of the telescopic rod 313 away from the bending rod 301 is rotatably connected to the outer surface of the bending rod 312. Among them, the corrugated plate 311 is an elastically deformable structure. When the bending rod 301, the corrugated plate 311 and the second bending rod 312 rotate downward and contact the foreign object, the bending rod 301, the corrugated plate 311 and the second bending rod 312 will generate outward elastic expansion on the surface of the foreign object, cover the surface of the foreign object and generate a contraction fixation. Even if the upper clamp blade 221 does not apply a large pressure, it can restrict the foreign object between the two second bending rods 312 and the corrugated plate 311.

[0031] The deformation assembly 32 includes a connecting plate 321 fixedly connected between two telescopic rods 313. A rhomboid plate 322 is rotatably connected to the outer surface of the connecting plate 321. The rhomboid plate 322 is rotatably connected to the side wall of the upper clamp leaf 221. A rubber sheet 323 is fixedly connected to the side of the diamond plate 322 near the telescopic rod 313; The end of the rubber sheet 323 away from the diamond plate 322 is fixedly connected to the side wall of the corrugated plate 311; Among them, the rhomboid plate 322 is an elastically deformable structure. When the telescopic rod 313 retracts, it will push the rhomboid plate 322 through the connecting plate 321. When the rhomboid plate 322 is pushed, it will expand outward. At this time, the expansion deformation of the rhomboid plate 322 will adapt to the bending of the corrugated plate 311 through the rubber sheet 323.

[0032] The adsorption assembly 33 includes an adsorption box 331 rotatably connected inside the notch groove 213. Several vertical tubes 332 are fixedly connected to the top inner wall of the adsorption box 331, and a semi-circular plate is fixedly connected to the side wall of the adsorption box 331. The sidewall of the semicircular plate is in contact with the sidewall of the inclined plate 224; The top area of ​​the adsorption box 331 and several vertical tubes 332 are made of flexible material. The bottom end of the inclined plate 224 will generate an upward pushing force on the semi-circular plate on the side wall of the adsorption box 331. The semi-circular plate will then cause the top area of ​​the adsorption box 331 to deform towards the foreign object and fit tightly.

[0033] In use, the operator first holds and closes the two main bodies 1. When the two main bodies 1 are closed, the sliding block 212 is pushed to slide through the steel wire 112. When the sliding block 212 slides, it pushes the upper clamp leaf 221 to close with the fixing frame 211. Then, the operator slowly inserts the closed upper clamp leaf 221 and the fixing frame 211 into the mouth, so that the upper clamp leaf 221 is close to the foreign object. Then, the two main bodies 1 are used to control the upper clamp leaf 221 and the fixing frame 211 to open and put the foreign object between the upper clamp leaf 221 and the fixing frame 211. Finally, the two main bodies 1 are tightly gripped again so that the upper clamp leaf 221 clamps the foreign object. Then, the foreign object is slowly withdrawn from the mouth, thus completing the purpose of removing the foreign object from the mouth.

[0034] When the upper clamp blade 221 closes to grip the foreign object, its rotation towards the fixing frame 211 causes the corrugated plate 311 and the second bent rod 312 to rotate downwards synchronously via the bent rod 301. As the bent rod 301, corrugated plate 311, and second bent rod 312 rotate downwards and contact the foreign object, they elastically expand outwards on the surface of the foreign object, covering it and creating a converging fixation. Even without applying significant pressure, the upper clamp blade 221 can confine the foreign object between the two bent rods 312 and the corrugated plate 311. Furthermore, as the upper clamp blade 221 continues to close, the bent rods... The second curved rod 312 will generate a pushing force on the rotating plate 222 through its top end in contact with the foreign object. When the side wall of the rotating plate 222 is squeezed by the second curved rod 312, the rotating plate 222 will rotate in the square groove. At this time, the curved part at the front end of the rotating plate 222 will extend out of the square groove and directly contact the foreign object body. After the curved part at the front end of the rotating plate 222 rotates, it forms a one-way stop, which can firmly hold the foreign object when it slides outward, while the resistance is small when it is pushed inward. It is easy to put the foreign object into the space between the upper clamp leaf 221 and the fixed frame 211, so that the foreign object can be firmly clamped with less pressure, preventing the foreign object from slipping during the removal process, and improving the stability and safety of the device when clamping foreign objects.

[0035] When the bending rod 301, corrugated plate 311, and bending rod 312 come into contact with and cover the foreign object, the corrugated plate 311 will bend under the obstruction of the foreign object. When the corrugated plate 311 is bending, the bending rod 312 will rotate on the telescopic rod 313. The rotation of the bending rod 312, combined with the deformation of the corrugated plate 311, can further cover the foreign object. Then, when the upper clamp leaf 221 closes, the corrugated plate 311 will further deform and drive the bending rod 312 to slide towards the bending rod 301. At this time, the deformation of the corrugated plate 311 can cause the bending rod 312 to slide and cover the surface of the foreign object according to the size and shape of the foreign object. The tightness of the gripping of the foreign object can be automatically adjusted according to the size of the foreign object, improving the versatility and adaptability when gripping foreign objects, and improving the gripping efficiency when gripping foreign objects.

[0036] When the upper clamp blade 221 rotates towards the fixed frame 211 to clamp the foreign object, the foreign object will squeeze the adsorption box 331. Simultaneously, as the upper clamp blade 221 rotates towards the fixed frame 211, the rotation of the upper clamp blade 221 will cause the inclined plate 224 to rotate synchronously. At this time, the bottom end of the inclined plate 224 will generate an upward pushing force on the semi-circular plate on the side wall of the adsorption box 331. The semi-circular plate will then cause the top area of ​​the adsorption box 331 to deform towards the foreign object and fit tightly. When the foreign object squeezes the adsorption box 331, the extension and retraction... The vertical tubes 332 inside component 31 will undergo contraction deformation. When the vertical tubes 332 contract, a negative pressure will be formed inside, which will generate an adsorption force on the surface of the foreign object, so that the adsorption box 331 can adhere to the surface of the foreign object and adsorb it. This can reduce the outward pushing force on the foreign object when the corrugated plate 311 and the bent rod 312 clamp and cover the surface of the foreign object, and prevent the foreign object from being pushed to one side when clamped. This can further enhance the stability when clamping the foreign object, and at the same time ensure the stability of the position of the foreign object during the clamping process.

[0037] When the bending of the corrugated plate 311 causes the bending rod 312 to slide, the sliding of the bending rod 312 will cause the telescopic rod 313 to retract. When the telescopic rod 313 retracts, it will push the rhomboid plate 322 through the connecting plate 321. When the rhomboid plate 322 is pushed, it will undergo outward expansion deformation. At this time, the expansion deformation of the rhomboid plate 322 will adapt to the bending of the corrugated plate 311 through the rubber sheet 323. Afterwards, when the upper clamp blade 221 separates from the foreign object, the rhomboid plate 322 and the corrugated plate 311 will reset under their own elasticity. During the reset process, the rhomboid plate 322 will generate a relative pulling force on the corrugated plate 311 through the rubber sheet 323, so that the corrugated plate 311 and the bending rod 312 can be accurately and completely reset during the reset process, reducing the situation of incomplete reset and twisting caused by excessive deformation of the corrugated plate 311 and the bending rod 312, and improving the stability and clamping strength of continuous clamping.

[0038] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A foreign body forceps for otolaryngology, comprising two main bodies (1) hinged together, characterized in that, Also includes: The opening and closing mechanism (2) is installed on the side wall of the main body (1) and is used to clamp foreign objects; The auxiliary mechanism (3) is installed on the side wall of the opening and closing mechanism (2) to prevent the foreign object from slipping when it is being gripped.

2. The foreign body forceps for otolaryngology according to claim 1, characterized in that: The main body (1) includes: A guide component (11) is installed on the side wall of the main body (1) and is used to control the opening and closing mechanism (2) to open and close.

3. The foreign body forceps for otolaryngology according to claim 2, characterized in that: The opening and closing mechanism (2) includes: A fixing component (21) is mounted on the side wall of the guide component (11); The active component (22) is installed on the side wall of the fixed component (21) and is used to apply a clamping force to the foreign object.

4. The foreign body forceps for otolaryngology according to claim 3, characterized in that: The auxiliary mechanism (3) includes two bent rods (301) disposed on the side wall of the fixed component (21), and the auxiliary mechanism (3) further includes: Telescopic assembly (31), said telescopic assembly (31) is installed on the side wall of the bending rod (301); Deformation component (32), which is installed on the side wall of telescopic component (31), and the deformation of deformation component (32) can ensure the integrity of telescopic component (31) when it is reset; Adsorption component (33) is installed on the side wall of deformation component (32).

5. The foreign body forceps for otolaryngology according to claim 4, characterized in that: The guide assembly (11) includes a bent tube (111) fixedly connected to the side wall of one of the main bodies (1), and a steel wire (112) is slidably connected inside the bent tube (111). The steel wire (112) is rotatably connected to the side wall of another body (1) at one end near the main body (1).

6. The foreign body forceps for otolaryngology according to claim 5, characterized in that: The opening and closing mechanism (2) includes a fixing frame (211) threadedly connected to the end of the bend (111) away from the main body (1). The side wall of the fixing frame (211) is provided with a notch (213), and the side wall of the notch (213) is provided with two oblique grooves. Among them, the two inclined slots are symmetrically distributed with the middle of the fixed frame (211) as the center; The fixed frame (211) has a sliding block (212) slidably connected inside. A return spring is fixedly connected to the side wall of the sliding block (212). The end of the return spring away from the sliding block (212) is fixedly connected to the side wall of the fixed frame (211).

7. The foreign body forceps for otolaryngology according to claim 6, characterized in that: The movable component (22) includes an upper clamp blade (221) rotatably connected to the side wall of the fixed frame (211), and the side wall of the upper clamp blade (221) is slidably connected to the side wall of the sliding block (212); The upper clamp blade (221) has a square groove on the side near the fixing frame (211); A rotating plate (222) is rotatably connected inside the square groove. A flexible layer (223) is fixedly connected to the middle of the rotating plate (222). Two tension springs are fixedly connected to the side of the rotating plate (222) away from the fixing frame (211). Among them, two tension springs are symmetrically distributed around the flexible layer (223). The end of the tension spring away from the rotating plate (222) is fixedly connected to the inner wall of the square groove. The upper clamp leaf (221) is rotatably connected to the side of the fixed frame (211) with an inclined plate (224).

8. The foreign body forceps for otolaryngology according to claim 7, characterized in that: The bent rod (301) is fixedly connected to the side wall of the upper clamp leaf (221); The telescopic assembly (31) includes a corrugated plate (311) fixedly connected to one end of the bent rod (301) away from the upper clamp leaf (221), and a bent rod (312) is fixedly connected to one end of the corrugated plate (311) away from the bent rod (301). A telescopic rod (313) is fixedly connected to the outer surface of the bending rod (301), and one end of the telescopic rod (313) away from the bending rod (301) is rotatably connected to the outer surface of the second bending rod (312). Among them, the corrugated plate (311) is an elastically deformable structure.

9. The foreign body forceps for otolaryngology according to claim 8, characterized in that: The deformation component (32) includes a connecting plate (321) fixedly connected between two telescopic rods (313), and a rhomboid plate (322) is rotatably connected to the outer surface of the connecting plate (321), and the rhomboid plate (322) is rotatably connected to the side wall of the upper clamp leaf (221); A rubber sheet (323) is fixedly connected to the side of the diamond plate (322) near the telescopic rod (313). The end of the rubber sheet (323) away from the rhomboid plate (322) is fixedly connected to the side wall of the corrugated plate (311); Among them, the rhomboid plate (322) is an elastically deformable structure.

10. The foreign body forceps for otolaryngology according to claim 7, characterized in that: The adsorption assembly (33) includes an adsorption box (331) rotatably connected inside the notch (213), and a number of vertical tubes (332) are fixedly connected to the top inner wall of the adsorption box (331), and a semi-circular plate is fixedly connected to the side wall of the adsorption box (331). The sidewall of the semicircular plate is in contact with the sidewall of the inclined plate (224); The top area of ​​the adsorption box (331) and several vertical tubes (332) are made of flexible material.