Detachable otology surgical instrument
By designing a load-and-detachable otological surgical instrument, the combination of fixed frame, movable groove, connecting handle, mounting shaft, gear and screw joint hole is solved, and the problem of difficult to control the expansion amplitude of the tweezers in otological surgery is achieved, effective control and easy disassembly and assembly are improved, and operation efficiency is improved.
Patent Information
- Application Number
- CN202420643986.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-01
AI Technical Summary
In otological surgery, the expansion range of existing forceps manually opened when used is not easy to control, which can easily lead to excessive deployment, causing discomfort and internal ear injuries.
A removable otological surgical instrument is designed to effectively control and unfold the upper and lower pliers heads through the combination of fixing frames, movable grooves, connecting handles, mounting shafts, gears and screw joints to avoid excessive expansion.
The deployment range of the surgical instrument is effectively controlled, avoiding discomfort and internal ear injuries, and at the same time, the upper and lower clamp heads have the performance of easy disassembly and assembly and replacement, improving operating efficiency.
Smart Images

Figure CN222640747U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of otology, in particular to a detachable otology surgical instrument. Background Art
[0002] ENT surgical instruments are tools used in ENT surgery. ENT surgical instruments include ENT knives, chisels, ENT scissors, ENT forceps, clamps, ENT hooks, needles, etc., which are mainly used in ENT surgery.
[0003] At present, when performing ear surgery, tweezers, clamps and forceps used inside the ear are commonly used instruments. When using the tweezers used for ear surgery in the prior art, the entire tweezers need to be manually opened for operation. However, when the tweezers are inserted into the ear, the expansion range of the manually opened tweezers is difficult to control, and the problem of excessive expansion may occur, which may cause the pliers head at the other end of the tweezers to be too expanded, which may easily cause discomfort to the patient and injury to the inside of the ear. Therefore, it is urgent to design a detachable ear surgery instrument to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a detachable ear surgery instrument to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A detachable ear surgical instrument comprises a fixed frame, a first movable groove is provided on one side of the fixed frame, and a second movable groove is provided on the other side of the fixed frame, the top of the first movable groove and the top of the second movable groove are flush, a first connecting handle passing through the fixed frame is fixed to the top inner wall of the first movable groove and the top inner wall of the second movable groove, and a first mounting block and a second mounting block are fixed on both sides of the first connecting handle, and mounting holes are provided on the bottom of the first mounting block and the second mounting block and on both sides of the fixed frame, a mounting shaft is rotatably connected inside the same row of mounting holes, and a second connecting handle is fixed to the middle position of one of the mounting shafts, and a third connecting handle is fixed to the middle position of the other mounting shaft, a large gear is fixed on both sides of one of the mounting shafts, and a small gear is fixed on both sides of the other mounting shaft, one side of the large gear is meshed with one side of the small gear, an upper clamp head is provided at one end of the first connecting handle, and a lower clamp head is provided at one end of the third connecting handle.
[0007] Furthermore, one end of the first connecting handle and one end of the third connecting handle are both provided with screw holes, and one end of the upper pliers head and one end of the lower pliers head are both fixed with screw rods, which are screwed into the screw holes.
[0008] Furthermore, a clamping groove is provided at the bottom of the upper clamp head and the top of the lower clamp head, and the bottom periphery of the upper clamp head and the top periphery of the lower clamp head are designed as blades.
[0009] Furthermore, a finger cot frame is fixed to the other end of the first connecting handle, and a plurality of finger grooves are arranged on the bottom inner wall of the finger cot frame.
[0010] Furthermore, a thumb ring is fixed to one end of the second connecting handle.
[0011] Furthermore, the second connecting handle passes through the interior of the second movable groove, and the third connecting handle passes through the interior of the first movable groove.
[0012] Furthermore, a second sealing sheet is fixed to one end of the bottom of the second connecting handle and is attached to one side of the second movable groove, and a first sealing sheet is fixed to one end of the bottom of the third connecting handle and is attached to one side of the first movable groove. The first sealing sheet and the second sealing sheet as well as the large gear and the small gear are all arranged inside the fixed frame, and the first sealing sheet and the second sealing sheet are both designed to be arc-shaped.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model can effectively control the expansion range of the third connecting handle and the first connecting handle when manually opening the entire surgical instrument, thereby preventing the third connecting handle from being over-expanded, preventing the lower clamp head and the upper clamp head from being over-expanded, and avoiding discomfort to the patient and injury to the inside of the ear;
[0015] The utility model enables the upper clamp head and the lower clamp head to be easy to disassemble and assemble, has the effect of facilitating the replacement of the upper clamp head and the lower clamp head, and can perform the function of removing the internal material of the ear under the action of the blade;
[0016] The utility model has the advantages of simple structure, easy one-hand operation, convenient use, time-saving and labor-saving, and greatly improving the work efficiency of the operator. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The figure is a schematic diagram of the overall structure of a detachable ear surgical instrument.
[0018] Figure 2 The present invention is an expanded diagram of a detachable ear surgical instrument.
[0019] Figure 3 The figure is an exploded view of a detachable ear surgical instrument.
[0020] Figure 4 The present invention is a schematic diagram of the structure of the mounting hole and the second movable groove of a detachable ear surgical instrument.
[0021] Figure 5 The present invention is a schematic diagram of the third connecting handle and screw hole structure of a detachable ear surgical instrument.
[0022] Figure 6 The present invention is a schematic diagram of a clamping groove and blade structure of a detachable ear surgical instrument.
[0023] In the figure: 1, fixed frame; 2, mounting shaft; 3, second connecting handle; 4, thumb ring; 5, finger rack; 6, finger groove; 7, first connecting handle; 8, upper clamp head; 9, lower clamp head; 10, third connecting handle; 11, first movable groove; 12, first mounting block; 13, first sealing plate; 14, large gear; 15, small gear; 16, second sealing plate; 17, screw hole; 18, screw rod; 19, second mounting block; 20, mounting hole; 21, second movable groove; 22, clamping groove; 23, blade. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-Figure 6In an embodiment of the utility model, a detachable ear surgical instrument includes a fixed frame 1, a first movable groove 11 is opened on one side of the fixed frame 1, and a second movable groove 21 is opened on the other side of the fixed frame 1, the top of the first movable groove 11 is flush with the top of the second movable groove 21, a first connecting handle 7 passing through the fixed frame 1 is fixed to the top inner wall of the first movable groove 11 and the top inner wall of the second movable groove 21, a finger cot 5 is fixed to the other end of the first connecting handle 7, and a plurality of finger grooves 6 are arranged on the bottom inner wall of the finger cot 5, and a first mounting block 12 and a second mounting block 19 are fixed on both sides of the first connecting handle 7, mounting holes 20 are opened on the bottoms of the first mounting block 12 and the second mounting block 19 and on both sides of the fixed frame 1, a mounting shaft 2 is rotatably connected inside the same row of mounting holes 20, and a second connecting handle 3 is fixed to the middle position of one of the mounting shafts 2, and the first connecting handle 3 is fixed to the middle position of the second connecting handle 3. A thumb ring 4 is fixed to one end of the second connecting handle 3, the second connecting handle 3 passes through the inside of the second movable groove 21, and the third connecting handle 10 passes through the inside of the first movable groove 11, and the third connecting handle 10 is fixed to the middle position of the other mounting shaft 2, large gears 14 are fixed to both sides of one mounting shaft 2, and small gears 15 are fixed to both sides of the other mounting shaft 2, one side of the large gear 14 is meshed with one side of the small gear 15, an upper forceps head 8 is provided at one end of the first connecting handle 7, and a lower forceps head 9 is provided at one end of the third connecting handle 10. When the entire surgical instrument is manually opened, the expansion range of the third connecting handle 10 and the first connecting handle 7 can be effectively controlled to avoid the problem of excessive expansion of the third connecting handle 10, and to prevent the lower forceps head 9 and the upper forceps head 8 from expanding too much, thereby avoiding discomfort to the patient and injury to the inside of the ear. The structure is simple, easy to operate with one hand, and saves time and effort.
[0026] Specifically, one end of the first connecting handle 7 and one end of the third connecting handle 10 are each provided with a screw hole 17, and one end of the upper pliers head 8 and one end of the lower pliers head 9 are both fixed with a screw rod 18, and the screw rod 18 is screwed with the screw hole 17. Through the screw connection between the screw hole 17 and the screw rod 18, the upper pliers head 8 and the lower pliers head 9 have the performance of being easy to disassemble and assemble, and the upper pliers head 8 and the lower pliers head 9 are easy to replace.
[0027] Specifically, a clamping groove 22 is provided at the bottom of the upper pliers head 8 and the top of the lower pliers head 9, and a blade 23 is designed around the bottom of the upper pliers head 8 and the top of the lower pliers head 9, which can perform the function of removing internal ear material under the action of the blade 23.
[0028] Specifically, a second sealing sheet 16 is fixed to one end of the bottom of the second connecting handle 3 and is attached to one side of the second movable groove 21, and a first sealing sheet 13 is fixed to one end of the bottom of the third connecting handle 10 and is attached to one side of the first movable groove 11. The first sealing sheet 13 and the second sealing sheet 16 as well as the large gear 14 and the small gear 15 are all arranged inside the fixed frame 1, and the first sealing sheet 13 and the second sealing sheet 16 are both designed to be arc-shaped. The first sealing sheet 13 and the second sealing sheet 16 ensure the sealing performance of the fixed frame 1 when not in use, thereby preventing debris from entering the fixed frame 1 and affecting the overall activity performance.
[0029] The working principle of the utility model is as follows: when in use, the medical staff uses the thumb ring 4 and the finger cot 5 to hold the entire ear surgical instrument with one hand, so that the entire surgical instrument extends into the patient's ear, and uses the thumb's spreading force to drive the thumb ring 4 and the second connecting handle 3 to rotate, and cooperates with the meshing action of the small gear 15 and the large gear 14 to drive the third connecting handle 10 to slowly unfold, so that the lower clamp head 9 and the upper clamp head 8 are slowly unfolded, and the unfolding range of the third connecting handle 10 and the first connecting handle 7 is effectively controlled to avoid the problem of the third connecting handle 10 being unfolded too much. The medical staff uses the screw connection action of the screw hole 17 and the screw rod 18 to make the upper clamp head 8 and the lower clamp head 9 easy to disassemble and assemble, and has the function of facilitating the replacement of the upper clamp head 8 and the lower clamp head 9, and can perform the function of removing the internal ear material under the action of the blade 23.
[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.
Claims
1. A detachable ear surgery instrument, comprising a fixing frame (1), characterized in that: A first movable groove (11) is provided on one side of the fixed frame (1), and a second movable groove (21) is provided on the other side of the fixed frame (1); the top of the first movable groove (11) is flush with the top of the second movable groove (21); a first connecting handle (7) passing through the fixed frame (1) is fixed to the top inner wall of the first movable groove (11) and the top inner wall of the second movable groove (21); a first mounting block (12) and a second mounting block (19) are fixed to both sides of the first connecting handle (7); mounting holes (20) are provided at the bottoms of the first mounting block (12) and the second mounting block (19) and at both sides of the fixed frame (1); ), the mounting holes (20) in the same row are rotatably connected to the inside thereof, and a second connecting handle (3) is fixed to the middle position of one of the mounting shafts (2), and a third connecting handle (10) is fixed to the middle position of the other mounting shaft (2), a large gear (14) is fixed to both sides of one of the mounting shafts (2), and a small gear (15) is fixed to both sides of the other mounting shaft (2), one side of the large gear (14) is meshed with one side of the small gear (15), an upper clamp head (8) is provided at one end of the first connecting handle (7), and a lower clamp head (9) is provided at one end of the third connecting handle (10).
2. The detachable ear surgery instrument according to claim 1, characterized in that: One end of the first connecting handle (7) and one end of the third connecting handle (10) are both provided with a screw hole (17), and one end of the upper clamp head (8) and one end of the lower clamp head (9) are both fixed with a screw rod (18), and the screw rod (18) is screwed to the screw hole (17).
3. The detachable ear surgery instrument according to claim 2, characterized in that: The bottom of the upper clamp head (8) and the top of the lower clamp head (9) are both provided with a clamping groove (22), and the bottom periphery of the upper clamp head (8) and the top periphery of the lower clamp head (9) are both designed as a blade (23).
4. The detachable ear surgery instrument according to claim 3, characterized in that: A finger cot frame (5) is fixed to the other end of the first connecting handle (7), and a plurality of finger grooves (6) are provided on the bottom inner wall of the finger cot frame (5).
5. The detachable ear surgery instrument according to claim 4, characterized in that: A thumb ring (4) is fixed to one end of the second connecting handle (3).
6. The detachable ear surgery instrument according to claim 5, characterized in that: The second connecting handle (3) passes through the interior of the second movable groove (21), and the third connecting handle (10) passes through the interior of the first movable groove (11).
7. The detachable ear surgery instrument according to claim 6, characterized in that: A second sealing sheet (16) affixed to one side of the second movable groove (21) is fixed to one end of the bottom of the second connecting handle (3), and a first sealing sheet (13) affixed to one side of the first movable groove (11) is fixed to one end of the bottom of the third connecting handle (10), the first sealing sheet (13) and the second sealing sheet (16) as well as the large gear (14) and the small gear (15) are all arranged inside the fixed frame (1), and the first sealing sheet (13) and the second sealing sheet (16) are both designed to be arc-shaped.