Occlusion forceps for ear endoscopic surgery

Abstract

A pair of occlusal forceps for ear endoscopic surgery comprises a forceps handle assembly, a forceps body assembly and a forceps head assembly, the forceps body assembly is arranged at one end of the forceps handle assembly, and the forceps head assembly for occlusal cutting is arranged at one end of the forceps body assembly; the caliper body assembly comprises a first rotating disc, a third threaded hole and a second shaft hole, one side of the first rotating disc is rotatably connected with a second rotating disc through a rotating shaft, a plurality of first threaded holes are formed in the position, close to the edge, of the circumference of the second rotating disc, and a plurality of second threaded holes are formed in the position, close to the edge, of the circumference of the first rotating disc; a first adjusting disc arranged on the rotating shaft in a sleeving mode is fixed to the outer side of the first rotating disc through a first fixing bolt, and a second adjusting disc arranged on the rotating shaft in a sleeving mode is fixed to the outer side of the second rotating disc through a second fixing bolt. And the angle between the clamp body and the clamp handle can be adjusted according to use requirements, so that the applicability is high.

Description

Technical Field

[0001] The invention relates to a biting and cutting forceps, in particular to a biting and cutting forceps used for ear endoscopic surgery. Background Art

[0002] An otoscope is a laparoscopic instrument used for examination or surgical evaluation of the external auditory canal, tympanic membrane, middle ear, etc. An otoscope can observe areas that are difficult to observe with a surgical microscope, such as the upper and posterior femoral chambers, so as to promptly detect middle ear lesions and reduce the recurrence rate of lesions.

[0003] Although ear forceps can easily remove and clamp lesions in the ear, they do not have a clamping function. When removing lesions such as cholesteatoma, middle ear lesions such as cartilage and some bones caused by otosclerosis, they are prone to traction, thereby damaging surrounding organs, such as facial nerve damage, the middle section of the ossicular chain, and damage to the two windows. Some forceps with a biting structure have a fixed angle between the forceps body and the handle, which cannot be adjusted according to the needs of the user, and have certain shortcomings in applicability. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a biting forceps for ear endoscopic surgery, which effectively solves the problems mentioned in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: the present invention comprises a pliers handle assembly, a pliers body assembly and a pliers head assembly, wherein one end of the pliers handle assembly is provided with a pliers body assembly, and one end of the pliers body assembly is provided with a pliers head assembly for biting and cutting;

[0006] The caliper assembly includes a first rotating disk, a second rotating disk, a rotating shaft, a first axial hole, a first threaded hole, a second threaded hole, a first fixing bolt, a first adjusting disk, a second fixing bolt, a second adjusting disk, a connecting piece, a first caliper body, a second caliper body, a third threaded hole, and a second axial hole. One side of the first rotating disk is rotatably connected to the second rotating disk via the rotating shaft, a plurality of first threaded holes are provided at the circumference of the second rotating disk near the edge, a plurality of second threaded holes are provided at the circumference of the first rotating disk near the edge, the first adjusting disk is fixed to the outer side of the first rotating disk with the first fixing bolt, the second adjusting disk is fixed to the outer side of the second rotating disk with the second fixing bolt, one end of the first adjusting disk is connected to the first caliper body via the connecting piece, and one end of the second adjusting disk is connected to the second caliper body via the connecting piece, and third threaded holes are provided at the positions of the first adjusting disk and the second adjusting disk corresponding to the first fixing bolt and the second fixing bolt.

[0007] Preferably, the first rotating disk and the second rotating disk are both provided with first shaft holes at positions corresponding to the rotating shafts.

[0008] Preferably, a connecting piece is provided at the edge of the first adjusting disk and the second adjusting disk so that the first clamp body and the second clamp body are in the same vertical plane.

[0009] Preferably, the depth of the first fixing bolt is slightly smaller than the sum of the depths of the second threaded hole and the third threaded hole, and the depth of the second fixing bolt is slightly smaller than the sum of the depths of the first threaded hole and the third threaded hole.

[0010] Preferably, the first adjusting disk and the second adjusting disk are both provided with second shaft holes at positions corresponding to the rotating shafts.

[0011] Preferably, the pliers handle assembly comprises a first pliers handle, a second pliers handle and a pliers ring, the first turntable is connected to the first pliers handle, the second turntable is connected to the second pliers handle, and pliers rings are provided at the ends of the first pliers handle and the second pliers handle.

[0012] Preferably, the surface of the pliers ring is provided with anti-slip grooves.

[0013] Preferably, the pliers head assembly includes a cutting cavity, an end cutting knife, an arc portion and a side cutting knife. A cutting cavity is opened on the inner sides of the ends of the first pliers body and the second pliers body. The end cutting knife is arranged at the ends of the first pliers body and the second pliers body. The arc portion is arranged at the corners of the ends of the first pliers body and the second pliers body. The side cutting knife is arranged on both sides of the first pliers body and the second pliers body.

[0014] Beneficial effect: When the present invention is used, the first clamp handle and the second clamp handle can be pushed and pulled by the clamp ring. The first clamp handle and the second clamp handle rotate to drive the first rotating disk, the second rotating disk, the first adjusting disk, the second adjusting disk, the first clamp body and the second clamp body to rotate, so that the lesion position can be bitten and cut. The end biting cutter arranged at the front end of the first clamp body and the second clamp body can perform the end biting and cutting operation. When it is used in some positions where the end biting cutter is inconvenient to operate, the side biting cutter can be used to perform the biting and cutting operation. The lesioned middle ear cartilage and part of the bone etc. bitten off will be collected inside the biting and cutting cavity to prevent When the direction of the first clamp body and the second clamp body needs to be adjusted, the first fixing bolt and the second fixing bolt are unscrewed. At this time, the first clamp body and the second clamp body can be rotated, and the first clamp body and the second clamp body respectively drive the first adjustment disk and the second adjustment disk to rotate around the rotating shaft. When they are rotated to a suitable angle, the first fixing bolt and the second fixing bolt are screwed onto the first adjustment disk, the second adjustment disk, the first turntable and the second turntable to complete the adjustment. At this time, the first clamp body and the second clamp body can be at a certain angle with the first clamp handle and the second clamp handle, which is convenient for adjustment according to the needs of use and has strong applicability. The present invention has a novel structure and an ingenious conception, and is convenient for removing pathological tissues such as cholesteatoma and otosclerosis of the middle ear diseased cartilage and part of the bone, and the clamp body can adjust the angle with the clamp handle according to the needs of use, and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a rear view of the present invention;

[0018] Figure 3 is a partial cross-sectional view of the clamp head assembly of the present invention;

[0019] Figure 4 It is a schematic diagram of the installation structure of the first rotating disk and the second rotating disk of the present invention;

[0020] Figure 5 is a schematic diagram of the three-dimensional structure of the second turntable of the present invention;

[0021] Figure 6 is a schematic diagram of the three-dimensional structure of the first turntable of the present invention;

[0022] Figure 7 It is a schematic diagram of the structure of the first adjustment disk of the present invention;

[0023] Figure 8 It is a schematic diagram of the structure of the second adjustment disk of the present invention;

[0024] Numbers in the figure: 1. pliers handle assembly; 2. pliers body assembly; 3. pliers head assembly; 4. first turntable; 5. second turntable; 6. rotating shaft; 7. first axial hole; 8. first threaded hole; 9. second threaded hole; 10. first fixing bolt; 11. first adjusting disk; 12. second fixing bolt; 13. second adjusting disk; 14. connecting piece; 15. first pliers body; 16. second pliers body; 17. third threaded hole; 18. second axial hole; 19. first pliers handle; 20. second pliers handle; 21. pliers ring; 22. cutting cavity; 23. end cutting knife; 24. arc portion; 25. side cutting knife. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-8 The specific implementation modes of the present invention are described in further detail.

[0026] Embodiment 1, by Figure 1-8 The present invention provides a biting and cutting forceps for ear endoscopic surgery, comprising a forceps handle assembly 1, a forceps body assembly 2 and a forceps head assembly 3, wherein one end of the forceps handle assembly 1 is provided with the forceps body assembly 2, and one end of the forceps body assembly 2 is provided with the forceps head assembly 3 for biting and cutting;

[0027] The clamp body assembly 2 includes a first rotating disk 4, a second rotating disk 5, a rotating shaft 6, a first axial hole 7, a first threaded hole 8, a second threaded hole 9, a first fixing bolt 10, a first adjusting disk 11, a second fixing bolt 12, a second adjusting disk 13, a connecting piece 14, a first clamp body 15, a second clamp body 16, a third threaded hole 17 and a second axial hole 18. One side of the first rotating disk 4 is rotatably connected to the second rotating disk 5 through the rotating shaft 6. The second rotating disk 5 is provided with a plurality of first threaded holes 8 near the edge of the circumference. The first rotating disk 4 is provided with a plurality of third threaded holes 8 near the edge of the circumference. Two threaded holes 9, a first adjusting disk 11 sleeved on the rotating shaft 6 is fixed to the outer side of the first rotating disk 4 by a first fixing bolt 10, and a second adjusting disk 13 sleeved on the rotating shaft 6 is fixed to the outer side of the second rotating disk 5 by a second fixing bolt 12, one end of the first adjusting disk 11 is connected to the first clamp body 15 by a connecting piece 14, and one end of the second adjusting disk 13 is connected to the second clamp body 16 by a connecting piece 14, and third threaded holes 17 are opened on the first adjusting disk 11 and the second adjusting disk 13 at the positions corresponding to the first fixing bolt 10 and the second fixing bolt 12.

[0028] First shaft holes 7 are provided at positions of the first rotating disk 4 and the second rotating disk 5 corresponding to the rotating shaft 6 , so as to facilitate installation and use of the first rotating disk 4 and the second rotating disk 5 .

[0029] Connecting pieces 14 are provided at the edges of the first adjusting disk 11 and the second adjusting disk 13 so that the first caliper body 15 and the second caliper body 16 are located in the same vertical plane, which facilitates the installation and use of the first caliper body 15 and the second caliper body 16 .

[0030] The depth of the first fixing bolt 10 is slightly smaller than the sum of the depths of the second threaded hole 9 and the third threaded hole 17, and the depth of the second fixing bolt 12 is slightly smaller than the sum of the depths of the first threaded hole 8 and the third threaded hole 17, thereby ensuring the connection strength of the first adjustment disk 11 and the second adjustment disk 13 without affecting each other.

[0031] The first adjusting disk 11 and the second adjusting disk 13 are both provided with second shaft holes 18 at positions corresponding to the rotating shaft 6 for facilitating connection and positioning.

[0032] The pliers handle assembly 1 includes a first pliers handle 19, a second pliers handle 20 and a pliers ring 21. The first pliers handle 19 is connected to the first turntable 4, and the second pliers handle 20 is connected to the second turntable 5. The ends of the first pliers handle 19 and the second pliers handle 20 are both provided with pliers rings 21. When in use, the first pliers handle 19 and the second pliers handle 20 can be pushed and pulled by the provided pliers rings 21.

[0033] The surface of the clamp ring 21 is provided with anti-skid patterns, so that the clamp ring 21 has good anti-skid performance.

[0034] The pliers head assembly 3 includes a biting cavity 22, an end biting cutter 23, an arc portion 24 and a side biting cutter 25. The biting cavity 22 is opened on the inner side of the end of the first pliers body 15 and the second pliers body 16. The end biting cutter 23 is arranged at the end of the first pliers body 15 and the second pliers body 16. The arc portion 24 is arranged at the end corners of the first pliers body 15 and the second pliers body 16. The side biting cutter 25 is arranged on both sides of the first pliers body 15 and the second pliers body 16. When in use, the end biting cutter 23 arranged at the front end of the first pliers body 15 and the second pliers body 16 can perform the end biting operation. When used in some positions where the end biting cutter 23 is inconvenient to operate, the side biting cutter 25 can be used for the biting operation. The diseased middle ear cartilage and part of the bone cut off will be collected inside the biting cavity 22 to prevent scattering.

[0035] A method for operating a cutting forceps for ear endoscopic surgery comprises the following steps:

[0036] 1) The first clamp handle 19 and the second clamp handle 20 can be pushed and pulled by the clamp ring 21. The first clamp handle 19 and the second clamp handle 20 rotate to drive the first rotating disk 4, the second rotating disk 5, the first adjusting disk 11, the second adjusting disk 13, the first clamp body 15 and the second clamp body 16 to rotate, so as to bite and cut the lesion position;

[0037] 2) The end biting cutter 23 provided at the front end of the first pliers 15 and the second pliers 16 can be used to perform the end biting cut operation. When the end biting cutter 23 is used at a position where it is inconvenient to operate, the side biting cutter 25 can be used to perform the biting cut operation. The diseased middle ear cartilage and part of the bone cut off will be collected inside the biting cut cavity 22 to prevent scattering;

[0038] 3) When it is necessary to adjust the direction of the first caliper body 15 and the second caliper body 16, unscrew the first fixing bolt 10 and the second fixing bolt 12. At this time, the first caliper body 15 and the second caliper body 16 can be rotated, and the first caliper body 15 and the second caliper body 16 respectively drive the first adjustment disk 11 and the second adjustment disk 13 to rotate around the rotating shaft 6. When they are rotated to a suitable angle, the first fixing bolt 10 and the second fixing bolt 12 are screwed onto the first adjustment disk 11, the second adjustment disk 13, the first rotating disk 4 and the second rotating disk 5 to complete the adjustment. At this time, the first caliper body 15 and the second caliper body 16 can be at a certain angle with the first caliper handle 19 and the second caliper handle 20, which is convenient for adjustment according to use needs and has strong applicability.

[0039] Working principle: When the present invention is used, the first clamp handle 19 and the second clamp handle 20 can be pushed and pulled by the clamp ring 21. The first clamp handle 19 and the second clamp handle 20 rotate to drive the first turntable 4, the second turntable 5, the first adjustment disk 11, the second adjustment disk 13, the first clamp body 15 and the second clamp body 16 to rotate, so that the lesion position can be bitten and cut. The end biting cutter 23 set at the front end of the first clamp body 15 and the second clamp body 16 can perform the end biting and cutting operation. When it is used in some positions where the end biting cutter 23 is inconvenient to operate, the side biting cutter 25 can be used for biting and cutting. The diseased middle ear cartilage and part of the bone cut off will be collected inside the biting cavity 22 to prevent scattering. When it is necessary to adjust the direction of the first caliper body 15 and the second caliper body 16, unscrew the first fixing bolt 10 and the second fixing bolt 12. At this time, the first caliper body 15 and the second caliper body 16 can be rotated, and the first caliper body 15 and the second caliper body 16 respectively drive the first adjusting disk 11 and the second adjusting disk 13 to rotate around the rotating shaft 6. When they are rotated to a suitable angle, the first fixing bolt 10 and the second fixing bolt 12 are screwed onto the first adjusting disk 11, the second adjusting disk 13, the first rotating disk 4 and the second rotating disk 5 to complete the adjustment. At this time, the first caliper body 15 and the second caliper body 16 can be at a certain angle with the first caliper handle 19 and the second caliper handle 20, which is convenient for adjustment according to use needs and has strong applicability.

[0040] Beneficial effects: The invention has a novel structure and an ingenious design, and is convenient for removing diseased tissues such as the diseased cartilage and part of the bone of the middle ear caused by cholesteatoma and otosclerosis. The angle between the forceps body and the forceps handle can be adjusted according to the needs of use, and the applicability is strong.

[0041] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cutting forceps for ear endoscopic surgery, comprising a forceps handle assembly (1), a forceps body assembly (2) and a forceps head assembly (3), characterized in that: A pliers body assembly (2) is disposed at one end of the pliers handle assembly (1), and a pliers head assembly (3) for biting and cutting is disposed at one end of the pliers body assembly (2); The caliper assembly (2) comprises a first rotating disk (4), a second rotating disk (5), a rotating shaft (6), a first axial hole (7), a first threaded hole (8), a second threaded hole (9), a first fixing bolt (10), a first adjusting disk (11), a second fixing bolt (12), a second adjusting disk (13), a connecting piece (14), a first caliper body (15), a second caliper body (16), a third threaded hole (17) and a second axial hole (18); one side of the first rotating disk (4) is rotatably connected to the second rotating disk (5) via the rotating shaft (6); a plurality of first threaded holes (8) are provided on the circumference of the second rotating disk (5) near the edge; a plurality of first threaded holes (8) are provided on the circumference of the first rotating disk (4) near the edge A plurality of second threaded holes (9); a first adjusting disk (11) sleeved on the rotating shaft (6) is fixed to the outer side of the first rotating disk (4) via a first fixing bolt (10); a second adjusting disk (13) sleeved on the rotating shaft (6) is fixed to the outer side of the second rotating disk (5) via a second fixing bolt (12); one end of the first adjusting disk (11) is connected to the first clamp body (15) via a connecting piece (14); one end of the second adjusting disk (13) is connected to the second clamp body (16) via a connecting piece (14); and third threaded holes (17) are provided on the first adjusting disk (11) and the second adjusting disk (13) at positions corresponding to the first fixing bolt (10) and the second fixing bolt (12).

2. The cutting forceps for ear endoscopic surgery according to claim 1, characterized in that: The first rotating disk (4) and the second rotating disk (5) are both provided with a first shaft hole (7) at a position corresponding to the rotating shaft (6).

3. The cutting forceps for ear endoscopic surgery according to claim 1, characterized in that: A connecting piece (14) is provided at the edge of the first adjustment disk (11) and the second adjustment disk (13), so that the first clamp body (15) and the second clamp body (16) are located in the same vertical plane.

4. The cutting forceps for ear endoscopic surgery according to claim 1, characterized in that: The depth of the first fixing bolt (10) is slightly smaller than the sum of the depths of the second threaded hole (9) and the third threaded hole (17), and the depth of the second fixing bolt (12) is slightly smaller than the sum of the depths of the first threaded hole (8) and the third threaded hole (17).

5. The biting forceps for ear endoscopic surgery according to claim 1, characterized in that: The first adjustment disk (11) and the second adjustment disk (13) are both provided with a second shaft hole (18) at positions corresponding to the rotating shaft (6).

6. The biting forceps for ear endoscopic surgery according to claim 1, characterized in that: The pliers handle assembly (1) comprises a first pliers handle (19), a second pliers handle (20) and a pliers ring (21); the first rotating disk (4) is connected to the first pliers handle (19); the second rotating disk (5) is connected to the second pliers handle (20); and pliers rings (21) are provided at the ends of the first pliers handle (19) and the second pliers handle (20).

7. The biting forceps for ear endoscopic surgery according to claim 6, characterized in that: The surface of the pliers ring (21) is provided with anti-slip grooves.

8. The cutting forceps for ear endoscopic surgery according to claim 1, characterized in that: The pliers head assembly (3) comprises a biting cutting cavity (22), an end biting cutting knife (23), an arc-shaped portion (24) and a side biting cutting knife (25); the biting cutting cavity (22) is provided inside the end of the first pliers body (15) and the second pliers body (16); the end biting cutting knife (23) is arranged at the end of the first pliers body (15) and the second pliers body (16); the arc-shaped portion (24) is arranged at the edge corners of the end of the first pliers body (15) and the second pliers body (16); and the side biting cutting knife (25) is arranged on both sides of the first pliers body (15) and the second pliers body (16).

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