Lens and suction tube fixing device for nasal endoscopic surgery

Abstract

The utility model discloses a lens and suction tube fixing device for nasal endoscopic surgery, which comprises a first isolation plate, a transmission component, a first connecting arm, a second connecting arm, a second isolation plate and a locking component, and a driving shaft, a first rotating shaft and a second rotating shaft are rotatably arranged on the first isolation plate; the transmission assembly is arranged on the driving shaft, connected with the first rotating shaft and the second rotating shaft and used for driving the first rotating shaft and the second rotating shaft to rotate; the first connecting arm is arranged on the first rotating shaft, and a first sleeve hole for fixing a nasal endoscope is formed in the first connecting arm; the second connecting arm is arranged on the second rotating shaft, and a second sleeve hole for fixing the aspirator is formed in the second connecting arm; the second isolation plate is arranged on the driving shaft, the first rotating shaft and the second rotating shaft, and is positioned above the first connecting arm and the second connecting arm; the locking assembly is arranged on the second isolation plate, connected with the driving shaft and used for locking the driving shaft. The distance between the nasal endoscope and the aspirator can be adjusted, and the nasal endoscope is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a fixing device for a lens and a suction tube used in endoscopic nasal surgery. Background Art

[0002] With the development of endoscopic nasal technology, surgical operations involving important structures such as the skull base are becoming more and more extensive. However, due to the limitation of single-handed operation of the nasal endoscope, it is not possible to effectively perform suction during resection.

[0003] Currently in clinical practice, the "chopstick technique" is beginning to be used with nasal endoscopes. However, the "chopstick technique" requires special training and a high level of hand-eye coordination to operate. The operation is relatively complex, and it is difficult to control the distance between the nasal endoscope and the suction device. For example, a suction device for a single-handed operation-assisted endoscopic nasal exposure field of view with the Chinese patent application number CN202121466114.7, by setting a first connecting arm and a second connecting arm, sleeved on the nasal endoscope and the suction device, has a single-handed operation function and solves the disadvantage that the cooperation of two people cannot be completely coordinated.

[0004] During the use of the above patent, although the operation is simple and enables the doctor to operate with one hand, the distance between the nasal endoscope and the suction device still cannot be adjusted, resulting in poor applicability.

[0005] Therefore, the existing technology still needs to be improved and developed. Content of the Utility Model

[0006] The technical problem to be solved by the utility model is to provide a fixing device for a lens and a suction tube used in endoscopic nasal surgery aiming at the above defects of the existing technology, aiming to solve the problem of poor applicability caused by the inability to adjust the distance between the nasal endoscope and the suction device in the existing technology.

[0007] The technical solution adopted by the utility model to solve the technical problem is as follows:

[0008] A fixing device for a lens and a suction tube used in endoscopic nasal surgery, comprising:

[0009] A first partition board, on which a driving shaft, a first rotating shaft and a second rotating shaft are rotatably arranged;

[0010] A transmission component, arranged on the driving shaft and connected to the first rotating shaft and the second rotating shaft, for driving the first rotating shaft and the second rotating shaft to rotate;

[0011] A first connecting arm, arranged on the first rotating shaft, and a first sleeve hole for fixing the nasal endoscope is arranged on the first connecting arm;

[0012] The second connecting arm is arranged on the second rotating shaft, and a second sleeve hole for fixing the aspirator is arranged on the second connecting arm;

[0013] The second partition board is arranged on the driving shaft, the first rotating shaft and the second rotating shaft, and is located above the first connecting arm and the second connecting arm;

[0014] The locking component is arranged on the second partition board and is connected to the driving shaft for locking the driving shaft.

[0015] In an improved manner of the lens and suction pipe fixing device for nasal endoscopy surgery, the transmission component includes:

[0016] The driving gear is arranged on the driving shaft;

[0017] The first gear is arranged on the first rotating shaft and meshes with the driving gear;

[0018] The second gear is arranged on the second rotating shaft and meshes with the driving gear.

[0019] In an improved manner of the lens and suction pipe fixing device for nasal endoscopy surgery, the locking component includes:

[0020] The locking gear is arranged on the driving shaft and is located above the second partition board;

[0021] The locking seat is arranged on the second partition board, and a locking screw hole is arranged on the locking seat;

[0022] The locking screw is arranged in the locking screw hole, and a rack plate is rotatably arranged on the locking screw. The rack plate is meshed and connected with the locking gear.

[0023] In an improved manner of the lens and suction pipe fixing device for nasal endoscopy surgery, a locking knob is arranged on the locking screw.

[0024] In an improved manner of the lens and suction pipe fixing device for nasal endoscopy surgery, the locking component further includes a locking cover plate. The locking cover plate is sleeved on the driving shaft and is detachably connected to the locking seat.

[0025] In an improved manner of the lens and suction pipe fixing device for nasal endoscopy surgery, a plurality of support columns are arranged on the first partition board, and the second partition board is arranged on the support columns.

[0026] In an improved manner of a fixing device for a lens and a suction tube used in nasal endoscopy surgery, a support ring is provided on the support column, the support ring abuts against the second partition board, a support screw hole is provided on the support column, a support bolt is provided on the support screw hole, and the support screw hole is in threaded connection with the support bolt.

[0027] In an improved manner of a fixing device for a lens and a suction tube used in nasal endoscopy surgery, silica gel layers are provided in both the first sleeve hole and the second sleeve hole.

[0028] In an improved manner of a fixing device for a lens and a suction tube used in nasal endoscopy surgery, a first ball bearing is provided on the first rotating shaft, and a second ball bearing is provided on the second rotating shaft.

[0029] In an improved manner of a fixing device for a lens and a suction tube used in nasal endoscopy surgery, a hand wheel is provided on the driving shaft.

[0030] Beneficial effects:

[0031] The utility model provides a fixing device for a lens and a suction tube used in nasal endoscopy surgery. By providing a driving shaft, a first rotating shaft, a second rotating shaft and a transmission component, the transmission component on the driving shaft drives the first rotating shaft and the second rotating shaft to rotate respectively, so that the angles of the first connecting arm and the second connecting arm on the first rotating shaft and the second rotating shaft are adjusted, thereby adjusting the relative distance between the first connecting arm and the second connecting arm, which is applicable to the fixation of nasal endoscopes and aspirators at different distances. Then, the driving shaft is locked by a locking component to prevent the first connecting arm and the second connecting arm after adjustment from rotating, which not only improves the applicable range, but also is convenient for operation and easy to use. Description of the drawings

[0032] Figure 1 is a schematic structural diagram of the fixing device for a lens and a suction tube used in nasal endoscopy surgery of the utility model;

[0033] Figure 2 is a schematic internal structure diagram of the locking component of the utility model;

[0034] Figure 3 is an exploded structural diagram of the utility model;

[0035] Figure 4 is a usage state diagram of the utility model.

[0036] In the figure:

[0037] 100. First isolation plate; 200. Second isolation plate; 300. First connecting arm; 310. First sleeve hole; 400. Locking assembly; 410. Locking gear; 420. Locking seat; 430. Locking screw; 440. Locking knob; 450. Locking cover plate; 460. Rack plate; 500. Second connecting arm; 510. Second sleeve hole; 600. Driving shaft; 610. Handwheel; 700. First rotating shaft; 710. First ball bearing; 800. Second rotating shaft; 810. Second ball bearing; 900. Transmission assembly; 1000. Support column; 1010. Support ring; 1020. Support screw hole; 1030. Support bolt; 1100. Nasal endoscope; 1200. Suction device. Detailed implementation manners

[0038] The embodiments of the present application will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0039] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0040] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0041] In addition, the technical features involved in the different embodiments of the present invention described above can be combined with each other as long as they do not conflict with each other.

[0042] The present utility model provides a fixing device for a lens and a suction tube used in endoscopic nasal surgery, as Figures 1 to 4 shown, aiming to solve the problem that the distance between the nasal endoscope 1100 and the aspirator 1200 in the prior art cannot be adjusted, and the applicable range is poor.

[0043] The fixing device for the lens and the suction tube used in endoscopic nasal surgery includes a first isolation plate 100, a transmission assembly 900, a first connecting arm 300, a second connecting arm 500, a second isolation plate 200 and a locking assembly 400;

[0044] A driving shaft 600, a first rotating shaft 700 and a second rotating shaft 800 are rotatably arranged on the first isolation plate 100, so that the driving shaft 600, the first rotating shaft 700 and the second rotating shaft 800 can all rotate on the first isolation plate 100;

[0045] The transmission assembly 900 is arranged on the driving shaft 600 and is connected to the first rotating shaft 700 and the second rotating shaft 800, and is used to drive the first rotating shaft 700 and the second rotating shaft 800 to rotate. By arranging the driving shaft 600 to drive the first rotating shaft 700 and the second rotating shaft 800, the user operation is simple and the use is convenient;

[0046] The first connecting arm 300 is arranged on the first rotating shaft 700, and the first connecting arm 300 can be driven to rotate by rotating the first rotating shaft 700. A first sleeve hole 310 for fixing the nasal endoscope 1100 is arranged on the first connecting arm 300. The diameter range of the first sleeve hole 310 is 2-4 mm, which can match the diameter of the conventional nasal endoscope 1100. Preferably, the diameter of the first sleeve hole 310 is 4 mm;

[0047] The second connecting arm 500 is arranged on the second rotating shaft 800, and the second connecting arm 500 can be driven to rotate by rotating the second rotating shaft 800. A second sleeve hole 510 for fixing the aspirator 1200 is arranged on the second connecting arm 500. The diameter range of the second sleeve hole 510 is 1-3 mm, which can match the diameter of the conventional aspirator 1200. Preferably, the diameter of the second sleeve hole 510 is 3 mm;

[0048] The locking assembly 400 is arranged on the second isolation plate 200 and is connected to the driving shaft 600, and is used to lock the driving shaft 600 to prevent the driving shaft 600 from shaking and affecting the connection stability of the first rotating shaft 700 and the second rotating shaft 800.

[0049] In the above embodiments, the first partition plate 100, the second partition plate 200, the first connecting arm 300 and the second connecting arm 500 are all made of heat-resistant materials, such as metal stainless steel, plastic PP, PVC, PE, etc., which facilitates high-temperature disinfection of the device for repeated use. Further, to make the device aesthetically pleasing, the first partition plate 100 and the second partition plate 200 are identical in shape and size, both being disc-shaped.

[0050] As Figures 1 to 4 shown, Figure 4 This is the usage state diagram of the present utility model. When it is necessary to adjust the fixed distance between the nasal endoscope 1100 and the aspirator 1200, the user first opens the driving shaft 600 through the locking assembly 400, and then rotates the driving shaft 600. The driving shaft 600 drives the first rotating shaft 700 and the second rotating shaft 800 to rotate simultaneously through the transmission assembly 900. The first connecting arm 300 on the first rotating shaft 700 and the second connecting arm 500 on the second rotating shaft 800 will change the angle as the driving shaft 600 rotates, so that the relative distance between the first connecting arm 300 and the second connecting arm 500 changes, and thus it can be applicable to the fixation of the nasal endoscope 1100 and the aspirator 1200 at different distances, improving the scope of application.

[0051] In some embodiments, as Figure 3 shown, the transmission assembly 900 includes a driving gear, a first gear and a second gear. The driving gear is arranged on the driving shaft 600, the first gear is arranged on the first rotating shaft 700 and meshes with the driving gear, and the second gear is arranged on the second rotating shaft 800 and meshes with the driving gear.

[0052] In specific implementation, as Figure 3 shown, the driving gear has to mesh with the first gear and the second gear respectively. Therefore, the driving shaft 600 is installed at the middle position of the first partition plate 100, and the first rotating shaft 700 and the second rotating shaft 800 are installed on the movement track of the driving shaft 600. At this time, part of the teeth of the first gear on the first rotating shaft 700 and the second gear on the second rotating shaft 800 mesh with the driving gear, so that the driving shaft 600 can drive the first rotating shaft 700 and the second rotating shaft 800 to rotate simultaneously, realizing the transmission effect.

[0053] In some other embodiments, as Figures 2 to 3 shown, the locking assembly 400 includes a locking gear 410, a locking seat 420 and a locking screw 430. The locking gear 410 is arranged on the driving shaft 600 and is located above the second partition plate 200; the locking seat 420 is arranged on the second partition plate 200, and a locking screw hole is arranged on the locking seat 420;

[0054] The locking screw 430 is disposed in the locking screw hole. A rack plate 460 is rotatably disposed on the locking screw 430, and the rack plate 460 is meshed and connected with the locking gear 410.

[0055] In specific implementation, as Figures 2 to 3 shown, by installing the locking assembly 400 above the second partition plate 200, it is not only convenient for operation but also easy to install. Specifically, the locking assembly 400 includes a locking gear 410, a locking seat 420, and a locking screw 430. The locking gear 410 is fixedly installed on the driving shaft 600. The locking seat 420 is fixed on the second partition plate 200 and is concentrically arranged with the driving shaft 600. The locking seat 420 is in a ring shape, and a locking screw hole is provided on the locking seat 420. The locking screw 430 is in threaded connection with the locking screw hole, that is, the locking screw 430 is provided with threads corresponding to the locking screw hole. The end of the locking screw 430 is rotatably installed with the rack plate 460. Due to the rotation connection setting, the rack plate 460 can only move and will not rotate with the locking screw 430. When locking is required, by rotating the locking screw 430, the rack plate 460 can be driven to move. The rack plate 460 moves to be meshed with the locking gear 410, thereby locking the locking gear 410, and further locking the driving shaft 600, preventing the shaking of the driving shaft 600 from affecting the stability of the first connecting arm 300 and the second connecting arm 500, and achieving the locking effect on the driving shaft 600.

[0056] Further, in some other embodiments, as Figure 3 shown, a locking knob 440 is provided on the locking screw 430. The locking knob 440 has a disc-shaped structure, which makes the user's touch better and twisting the locking screw 430 more comfortable. It can be understood that anti-slip lines can also be provided on the locking knob 440 to avoid slipping, and the anti-slip lines are not shown in the figure.

[0057] Furthermore, in some other embodiments, as Figure 3 shown, the locking assembly 400 further includes a locking cover plate 450. The locking cover plate 450 is sleeved on the driving shaft 600 and is detachably connected to the locking seat 420. In this embodiment, there are various disassembly connection methods. For example, the locking cover plate 450 is in threaded connection with the locking seat 420. Through the detachable connection between the locking cover plate 450 and the locking seat 420, it is not only convenient to replace the components inside the locking seat 420, but also can prevent other sundries from entering the locking seat 420, playing a certain protective role. It can be understood that the schematic diagram of the threaded connection between the locking cover plate 450 and the locking seat 420 is not drawn in the figure.

[0058] In some other embodiments, as Figure 3As shown, a plurality of support columns 1000 are provided on the first isolation plate 100 , and the second isolation plate 200 is provided on the support columns 1000 .

[0059] In specific implementation, Figure 3 As shown, the support column 1000 is cylindrical, and there are preferably two support columns 1000 fixed to the first isolation plate 100. They are located in a direction offset from the first rotation axis 700 and the second rotation axis 800 to prevent the rotation range of the first connecting arm 300 and the second connecting arm 500 from being affected. Specifically, the first rotation axis 700 and the second rotation axis 800 are located on the left and right sides of the driving shaft 600, and the support column 1000 is located above and below the driving shaft 600. In this case, the rotation range of the first connecting arm 300 and the second connecting arm 500 is maximized. In this embodiment, the support column 1000 is provided to a height range of 2-5 mm, which ensures a fixed distance between the first isolation plate 100 and the second isolation plate 200, facilitating the installation of the second isolation plate 200.

[0060] Furthermore, in another embodiment, Figure 3 As shown, a support ring 1010 is provided on the support column 1000, and the support ring 1010 abuts against the second isolation plate 200. A support screw hole 1020 is provided on the support column 1000, and a support bolt 1030 is provided on the support screw hole 1020. The support screw hole 1020 is threadedly connected to the support bolt 1030.

[0061] In specific implementation, Figure 3 As shown, by installing the support ring 1010 on the support column 1000, the second isolation plate 200 can be directly installed on the support column 1000, and then the support bolt 1030 is screwed into the support screw hole 1020, so that the second isolation plate 200 is locked on the support column 1000 and will not fall off easily.

[0062] In another embodiment, a silicone layer is provided in each of the first and second holes 310, 510. The silicone layer adheres to the inner walls of the first and second holes 310, 510. Due to the elasticity and flexibility of the silicone, the nasal endoscope 1100 and the aspirator 1200 can maintain a certain movable angle, which is less likely to cause damage to the exterior of the nasal endoscope 1100 and the aspirator 1200 during use, thereby improving the safety of the nasal endoscope 1100 and the aspirator 1200.

[0063] In another embodiment, if Figure 3As shown, a first ball bearing 710 is provided on the first rotating shaft 700. The first ball bearing 710 is used to reduce the friction of the first rotating shaft 700, making the rotation of the first rotating shaft 700 smoother. A second ball bearing 810 is provided on the second rotating shaft 800. The second ball bearing 810 is used to reduce the friction of the second rotating shaft 800, making the rotation of the second rotating shaft 800 smoother.

[0064] In another embodiment, as Figure 3 shown, a handwheel 610 is provided on the driving shaft 600.

[0065] During specific implementation, as Figure 3 shown, the handwheel 610 is installed on the driving shaft 600. The handwheel 610 is detachably connected to the driving shaft 600, for example, by threaded connection, so that the handwheel 610 can be detached, facilitating the installation of other components. More specifically, the handwheel 610 includes a circular ring, a main rod, and a connecting rod. The main rod and the circular ring are connected by five connecting rods, making the outer surface of the handwheel 610 smooth and more convenient to hold.

[0066] In summary, the present utility model provides a fixing device for a lens and a suction tube used in nasal endoscopy surgery. By providing a driving shaft, a first rotating shaft, a second rotating shaft, and a transmission component, the transmission component on the driving shaft drives the first rotating shaft and the second rotating shaft to rotate respectively, adjusting the angles of the first connecting arm and the second connecting arm on the first rotating shaft and the second rotating shaft, thereby adjusting the relative distance between the first connecting arm and the second connecting arm, which is suitable for fixing nasal endoscopes and aspirators at different distances. Then, the driving shaft is locked by a locking component to prevent the adjusted first connecting arm and second connecting arm from rotating, not only improving the scope of application, but also being convenient for operation and easy to use. By providing a silica gel layer inside the first connecting arm and the second connecting arm, the nasal endoscope and the aspirator are not easily damaged during use.

[0067] It should be understood that the application of the present utility model is not limited to the above examples. For those of ordinary skill in the art, improvements or transformations can be made according to the above description. All such improvements and transformations should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A fixing device for a lens and a suction tube used in nasal endoscopy surgery, characterized in that, Comprising: A first partition board, on which a driving shaft, a first rotating shaft and a second rotating shaft are rotatably arranged; A transmission assembly, arranged on the driving shaft and connected to the first rotating shaft and the second rotating shaft, for driving the first rotating shaft and the second rotating shaft to rotate; A first connecting arm, arranged on the first rotating shaft, and a first sleeve hole for fixing a nasal endoscope is arranged on the first connecting arm; A second connecting arm, arranged on the second rotating shaft, and a second sleeve hole for fixing a suction device is arranged on the second connecting arm; A second partition board, arranged on the driving shaft, the first rotating shaft and the second rotating shaft, and located above the first connecting arm and the second connecting arm; A locking assembly, arranged on the second partition board and connected to the driving shaft, for locking the driving shaft.

2. The lens and suction tube fixing device for nasal endoscopy surgery according to claim 1, characterized in that, The transmission assembly includes: A driving gear, arranged on the driving shaft; A first gear, arranged on the first rotating shaft and meshing with the driving gear; A second gear, arranged on the second rotating shaft and meshing with the driving gear.

3. The lens and suction pipe fixing device for nasal endoscopic surgery according to claim 1, characterized in that, The locking assembly includes: A locking gear, arranged on the driving shaft and located above the second partition board; A locking seat, arranged on the second partition board, and a locking screw hole is arranged on the locking seat; A locking screw, arranged in the locking screw hole, and a rack plate is rotatably arranged on the locking screw, and the rack plate is meshed and connected with the locking gear.

4. The lens and straw fixing device for endoscopic nasal surgery according to claim 3, wherein, A locking knob is arranged on the locking screw.

5. The lens and suction tube fixing device for nasal endoscopy surgery according to claim 3, characterized in that, The locking assembly further includes a locking cover plate, which is sleeved on the driving shaft and detachably connected to the locking seat.

6. The lens and suction pipe fixing device for nasal endoscopy surgery according to claim 1, characterized in that, A plurality of support columns are arranged on the first partition board, and the second partition board is arranged on the support columns.

7. The lens and suction tube fixing device for nasal endoscopy surgery according to claim 6, characterized in that, A support ring is arranged on the support column, the support ring abuts against the second partition board, a support screw hole is arranged on the support column, and a support bolt is arranged on the support screw hole, and the support screw hole is in threaded connection with the support bolt.

8. A lens and straw fixing device for nasal endoscopy surgery according to claim 1, characterized in that, Silicone layers are arranged in both the first sleeve hole and the second sleeve hole.

9. The lens and suction tube fixing device for nasal endoscopy surgery according to claim 1, wherein A first ball bearing is arranged on the first rotating shaft, and a second ball bearing is arranged on the second rotating shaft.

10. The lens and suction tube fixing device for nasal endoscopy surgery according to claim 1, characterized in that, A hand wheel is arranged on the driving shaft.

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