Dental endoscope holder and oral endoscope system

Abstract

The dental endoscope holder comprises the endoscope connecting mechanism and the space angle adjusting mechanism, the control switch is arranged outside the mouth, and the adjustment and the fixation of the space position and the observation angle of the working part of the endoscope in the mouth can be realized through the simple movement of back-and-forth pushing of the control switch. According to the endoscope system for the oral cavity disclosed by the utility model, the endoscope is arranged on the dental endoscope holder, so that the observation angle of the endoscope can be conveniently and spatially adjusted and positioned outside the mouth only through very simple back-and-forth pushing actions, and the clinical operation is very simple; and the observation angle requirements in various clinical states can be met through continuous adjustment of the spatial position and the observation angle.

Description

Technical Field

[0001] The utility model relates to a lens holder for adjusting the spatial position and angle of an endoscope and a corresponding oral endoscope system. Background Art

[0002] As an important food intake organ of the human body, the maintenance of oral health and the treatment of oral diseases are closely related to overall health. The most common and effective way to maintain oral health is to have regular dental cleaning, and the treatment of oral diseases includes many treatment items such as periodontal treatment, dental implantation, and tooth extraction.

[0003] Currently, operations inside the oral cavity are usually carried out by the method of visual observation in cooperation with the reflection of an oral mirror, and occasionally in cooperation with an oral microscope. Due to the small space and lack of light source inside the oral cavity, doctors usually rely only on external light sources to illuminate the oral cavity. However, during the operation, since doctors need to lower their heads to observe the inside of the oral cavity, it is very easy to block the light source illumination. In particular, when operating on the deep part of the oral cavity, coupled with the occlusion of the endoscope connection mechanism in the deep part of the oral cavity and the cheek muscles, it is very difficult for doctors to observe during the operation, and they often need to adjust the head posture or bend the waist to adapt to the visual field observation during dental cleaning. Moreover, this long-term head-down working state of doctors is very likely to cause diseases such as cervical spondylosis and lumbar vertebrae.

[0004] To solve the above problems, the applicant proposed a technical solution for an oral endoscope in the patent application "Miniature Endoscope That Can Be Installed on Dental Instruments" (Patent Application No.: 201910493765.6, 201920867889.1).

[0005] However, due to the small space in the oral cavity and the complex occupancy situation of tissues such as teeth, the endoscope often needs to be adjusted in angle during use. Therefore, the purpose of this application is to design a lens holder and a supporting oral endoscope system that can conveniently adjust the angle and spatial position of the endoscope. Summary of the Invention

[0006] The dental endoscope lens holder of the utility model realizes the adjustment of the spatial angle of the working lens of the oral endoscope in the oral cavity through the mutual cooperation movement of a push rod and a rotating shaft, and it is very convenient for clinical use by simply pushing the control switch back and forth.

[0007] The dental endoscope lens holder of the utility model is characterized in that: the dental endoscope lens holder 1 includes an endoscope connection mechanism 11 and a spatial angle adjustment mechanism 12. The endoscope 2 is arranged inside and / or on the endoscope connection mechanism 11, and the spatial position and observation angle of the working part 2-1 of the endoscope 2 are adjusted through the spatial angle adjustment mechanism 12.

[0008] The dental endoscope holder 1 is provided with the spatial angle adjustment mechanism 12. By simply pushing the control switch 12-2 back and forth outside the mouth, the spatial position and viewing angle of the working part 2-1 of the endoscope 2 inside the mouth can be adjusted. The clinical operation is very simple, and the viewing angle requirements in various clinical states can be met through continuous adjustment of the spatial position and viewing angle.

[0009] The spatial angle adjustment mechanism 12 adjusts the spatial position of the working part 2-1 of the endoscope 2 by means of a push-pull control method, and / or a swing control method, and / or a rotation control method. The applicant only lists the above several adjustment methods here. In practical applications, those skilled in the art can design other angle adjustment methods according to needs or combine multiple adjustment methods for application. The applicant does not give examples one by one, but all are within the protection scope of this application.

[0010] The spatial angle adjustment mechanism 12 controls the spatial position of the working part 2-1 of the endoscope 2 manually, and / or pneumatically, and / or electrically. The applicant only lists the above several adjustment methods here. In practical applications, those skilled in the art can design other angle adjustment methods according to needs or combine multiple adjustment methods for application. The applicant does not give examples one by one, but all are within the protection scope of this application.

[0011] The spatial angle adjustment mechanism 12 controls the spatial position of the working part 2-1 of the endoscope 2 by means of a manual push-pull control method. The manual push-pull control method is the most convenient control method in clinical use. It is not only simple to operate, but also medical staff can adjust and fix the angle and position at any time according to needs, without problems such as time lag, which is especially convenient for use in the complex environment inside the oral cavity.

[0012] The spatial angle adjustment mechanism 12 includes a push rod 12-1, a control switch 12-2 and a positioning end 12-3. An endoscope connection mechanism 11 is provided on the positioning end 12-3. The working part 2-1 of the endoscope 2 is connected to the positioning end 12-3 through the endoscope connection mechanism 11. When the control switch 12-2 is pushed forward, the push rod 12-1 pushes the positioning end 12-3 forward, and the positioning end 12-3 rotates, thereby driving the working part 2-1 to rotate, so as to adjust the spatial position of the working part 2-1.

[0013] The endoscopic connection mechanism 11 is an endoscopic mounting hole 11-1, which has a size matching that of the working part 2-1. The endoscopic inlet 11-11 of the endoscopic mounting hole 11-1 generally adopts a triangular arc shape with one end small and the other end large. This structural design can achieve height adaptability of the endoscopes 2 with different diameters through an interference fit method. When the endoscope 2 with a small diameter enters, it approaches the small end for positioning. When the endoscope 2 with a large diameter enters, it approaches the large end for positioning. Therefore, the endoscopic inlet 11-11 can achieve a continuous diameter transition between the minimum opening size and the maximum opening size, and the clinical adaptability is very good. Moreover, for this hole-shaped structure, only the working part 2-1 of the endoscope 2 needs to be inserted, and the operation is very convenient.

[0014] In practical applications, the endoscopic connection mechanism 11 can also be other connection methods such as a snap connection method, a bundling connection method, a pasting connection method, or a combination of multiple connection methods. The applicant will not list them one by one here, but they all fall within the protection scope of this application.

[0015] The spatial angle adjustment mechanism 12 further includes an outer sleeve 12-5; the proximal end of the push rod 12-1 is connected to the control switch 12-2, and the distal end of the push rod 12-1 is connected to the proximal end of the positioning end 12-3; a adjustment rotating shaft 12-31 is provided at the proximal end of the positioning end 12-3, and the adjustment rotating shaft 12-31 is embedded in the rotating shaft hole 12-51 at the distal end of the outer sleeve 12-5 to realize the connection between the outer sleeve 12-5 and the positioning end 12-3; when the control switch 12-2 is pushed forward, the push rod 12-1 moves forward, and the positioning end 12-3 rotates around the adjustment rotating shaft 12-31, thereby adjusting the spatial position of the working part 2-1.

[0016] Generally, the outer diameter of the positioning end 12-3 is the same as that of the outer sleeve 12-5. The outer sleeve 12-5 includes a movement channel 12-52. The push rod 12-1 is built in the movement channel 12-52, with the proximal end connected to the control switch 12-2 and the distal end connected to the positioning end 12-3. When the dental endoscope holder 1 is in the initial state, the positioning end 12-3 and the outer sleeve 12-5 are basically in a straight tube shape, and it will be smoother when entering the oral cavity, and it will not affect the dental endoscope holder 1 from reaching the working position due to the steps caused by different diameters.

[0017] The spatial angle adjustment mechanism 12 further includes a handle 12-4. The push rod 12-1 is disposed within and / or connected to the handle 12-4, and the control switch 12-2 is disposed on the handle 12-4. The outer sleeve 12-5 and the positioning end 12-3 are in a straight tubular state of horizontal connection, without steps due to different diameters, and are very smooth when entering the oral cavity. When the angle needs to be adjusted, the control switch 12-2 is pushed back and forth, and the control switch 12-2 drives the push rod 12-1 to move back and forth. The positioning end 12-3 rotates around the adjustment rotation shaft 12-31 to form a certain angle with the outer sleeve 12-5, thereby driving the working part 2-1 to form a corresponding angle with the outer sleeve 12-5, so as to adjust the viewing angle of the endoscope 2.

[0018] An endoscope card slot 12-41 is provided on the handle 12-4. The endoscope card slot 12-41 and the endoscope mounting hole 11-1 provided on the positioning end 12-3 constitute the endoscope connection mechanism 11 with double positioning. The endoscope card slot 12-41 can position the rear end of the endoscope 2 by various connection methods such as interference fit and snap-in concave-convex card fit.

[0019] A switch sliding groove 12-42 is provided on the handle 12-4. The control switch 12-2 is embedded in the switch sliding groove 12-42. The switch sliding groove 12-42 can provide a very good guiding effect for the movement of the control switch 12-2, and during clinical use, the movement of the control switch 12-2 can be better controlled.

[0020] The spatial angle adjustment mechanism 12 further includes an amplitude control mechanism 12-6. The amplitude control mechanism 12-6 can control and limit the adjustment amplitude and adjustment accuracy of the positioning end 12-3, which is more convenient for clinical use.

[0021] The amplitude control mechanism 12-6 is a gear adjustment mechanism 12-61. Through the setting of gears, the gear adjustment mechanism 12-61 can enable the operator to easily know the adjustment angle and viewing condition of the working part 2-1 of the endoscope 2. By refining the gear amplitude of the gear adjustment mechanism 12-61, the adjustment accuracy of the positioning end 12-3 can be controlled simultaneously.

[0022] The gear adjustment mechanism 12-61 includes a positioning step 12-43 provided on the inner wall of the handle 12-4 and a positioning mechanism 12-62 connected to the proximal end of the push rod 12-1. The positioning mechanism 12-62 is embedded on the positioning step 12-43 to form the gear adjustment mechanism 12-61. By controlling the reciprocating movement of the control switch 12-2, the positioning mechanism 12-62 moves accordingly and is embedded in different positions on the positioning step 12-43. When the control switch 12-2 is released, the spatial position of the positioning end 12-3 is fixed accordingly. The positioning step 12-43 usually takes the form of a thread, and by setting the pitch of the thread, the stepping amplitude and adjustment accuracy of the gear adjustment mechanism 12-61 can be set.

[0023] The oral endoscope system 100 includes the dental endoscope holder 1.

[0024] The oral endoscope system 100 includes the dental endoscope holder 1 and the endoscope 2. The endoscope 2 is disposed within and / or on the endoscope connection mechanism 11 of the dental endoscope holder 1.

[0025] The observation system 21 of the oral endoscope system 100 is disposed at the distal end of the working portion 2-1 of the endoscope 2, and the observation direction is consistent with the radial direction of the positioning end 12-3. Therefore, when the dental endoscope holder 1 adjusts the spatial angle of the positioning end 12-3, the observation angle of the observation system 21 is also adjusted accordingly.

[0026] During clinical use, the endoscope 2 is installed on the dental endoscope holder 1. The dental endoscope holder 1 enters the oral cavity in an initial horizontal state. After reaching the observation site, the control switch 12-2 is pushed as needed, and the observation angle of the observation system 21 is adjusted accordingly. After reaching an appropriate observation angle, the control switch 12-2 is released, and under the action of the amplitude control mechanism 12-6, the observation angle of the observation system 21 is fixed. Since the control switch 12-2 is disposed at an extraoral position at the proximal end of the push rod 12-1, during clinical operation, it is very convenient to perform spatial adjustment and positioning of the observation angle of the endoscope 2 by simply reciprocating pushing movements outside the oral cavity.

[0027] The dental endoscope holder of the present utility model includes an endoscope connection mechanism 11 and a spatial angle adjustment mechanism 12. A control switch 12-2 is provided outside the mouth. By simply pushing the control switch 12-2 back and forth, the spatial position and observation angle of the working part 2-1 of the endoscope 2 inside the mouth can be adjusted and fixed. The oral endoscope system of the present utility model arranges the endoscope 2 on the dental endoscope holder 1. Outside the mouth, the observation angle of the endoscope 2 can be conveniently adjusted and positioned in space by simply pushing back and forth. The clinical operation is very simple, and the observation angle requirements in various clinical states can be met through continuous adjustment of the spatial position and observation angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 FIG. is a schematic perspective view of the initial horizontal state of the dental endoscope holder of the present utility model with a manual push-pull type.

[0029] Figure 1-1 is Figure 1 a sectional view.

[0030] Figure 1-2 is Figure 1-1 an enlarged view of part A in FIG.

[0031] Figure 2 is Figure 1 an exploded view of FIG.

[0032] Figure 3 FIG. is a schematic perspective view of the spatial angle adjustment of the dental endoscope holder of the present utility model.

[0033] Figure 3-1 is Figure 3 a sectional view of FIG.

[0034] Figure 3-2 is Figure 3-1 an enlarged view of part B in FIG.

[0035] Figure 4 FIG. is a schematic perspective view of the initial horizontal state of the oral endoscope system of the present utility model.

[0036] Figure 5 FIG. is a schematic perspective view of the spatial angle adjustment of the oral endoscope system of the present utility model.

[0037] In the above figures:

[0038] 100 is the oral endoscope system of the present utility model.

[0039] 1 is the dental endoscope holder of the present utility model; 11 is the endoscope connection mechanism, and 12 is the spatial angle adjustment mechanism; 11-1 is the endoscope mounting hole, and 11-11 is the endoscope entrance; 12-1 is the push rod, 12-2 is the control switch, 12-3 is the positioning end, 12-4 is the handle, 12-5 is the outer sleeve, 12-6 is the amplitude control mechanism, 12-11 is the connection hole, 12-12 is the connection pin, 12-31 is the adjustment rotating shaft, 12-32 is the rotating shaft mounting hole, 12-33 is the pin mounting hole, 12-41 is the endoscope card slot, 12-42 is the switch sliding groove, 12-43 is the positioning convex step, 12-51 is the rotating shaft hole, 12-52 is the movement channel, 12-61 is the gear adjustment mechanism, 12-62 is the positioning mechanism, and 12-62-1 is the positioning block.

[0040] 2 is the endoscope, and 21 is the observation system. Specific embodiments

[0041] Embodiment 1: The dental endoscope holder of the present utility model

[0042] Reference Figures 1 to 3-2 , the dental endoscope holder of this embodiment includes the endoscope connection mechanism 11 and the spatial angle adjustment mechanism 12.

[0043] Reference Figure 1 And Figure 3 , in this embodiment, the endoscope connection mechanism 11 is the endoscope mounting hole 11-1, which has a size matching the working part 2-1. The endoscope entrance 11-11 of the endoscope mounting hole 11-1 usually adopts a smooth triangular arc shape with one end small and the other end large. This structural design can achieve the height adaptability of different diameters of the endoscope 2 through interference fit. When the endoscope 2 with a small diameter enters, it approaches the small end for positioning. When the endoscope 2 with a large diameter enters, it approaches the large end for positioning. Therefore, the endoscope entrance 11-11 can achieve a continuous diameter transition between the minimum opening size and the maximum opening size, and the clinical adaptability is very good. Moreover, for this hole-shaped structure, only the working part 2-1 of the endoscope 2 needs to be inserted, and the operation is very convenient.

[0044] In practical applications, the endoscope connection mechanism 11 can also be other connection methods such as snap connection, bundling connection, and pasting connection, or a combination of multiple connection methods. The applicant will not list them one by one here, but they all fall within the protection scope of this application.

[0045] The spatial angle adjustment mechanism 12 uses a manual push-pull control method to control the spatial position of the working part 2-1 of the endoscope 2. The manual push-pull control method is the most convenient control method in clinical use. It is not only simple to operate, but also allows medical staff to adjust and fix the angle and position at any time as needed, without time lag and other problems. It is particularly convenient for use in the complex environment of the oral cavity.

[0046] The spatial angle adjustment mechanism 12 can also use a swing control method and / or a rotation control method to adjust the spatial position of the working part 2-1 of the endoscope 2. The applicant only lists the above-mentioned adjustment methods. In actual applications, technicians in this field can design other angle adjustment methods or combine multiple adjustment methods as needed. The applicant does not give examples one by one, but they all do not deviate from the protection scope of this application.

[0047] The spatial angle adjustment mechanism 12 can also control the spatial position of the working part 2-1 of the endoscope 2 by pneumatic and / or electric means. The applicant only lists the above-mentioned adjustment methods. In actual applications, technicians in this field can design other angle adjustment methods or combine multiple adjustment methods as needed. The applicant does not give examples one by one, but they all do not deviate from the protection scope of this application.

[0048] In this embodiment, the spatial angle adjustment mechanism 12 includes a push rod 12-1, a control switch 12-2, a positioning end 12-3, a handle 12-4 and an outer sleeve 12-5.

[0049] refer to Figure 2 The proximal end of the push rod 12-1 is connected to the control switch 12-2, and the distal end of the push rod 12-1 is connected to the proximal end of the positioning end 12-3. The proximal end of the positioning end 12-3 is provided with a pin mounting hole 12-33, and the distal end of the push rod 12-1 is provided with a connecting hole 12-11. The push rod 12-1 is connected to the positioning end by the connecting pin 12-12 which is inserted into the pin mounting hole 12-33 and the connecting hole 12-11 in sequence. The outer sleeve 12-5 is provided at the distal end of the handle 12-4, and the push rod 12-1 is built in the motion channel 12-52 of the outer sleeve 12-5.

[0050] The distal end of the outer sleeve 12-5 is provided with a shaft hole 12-51, and the proximal end of the positioning end 12-3 is also provided with a shaft mounting hole 12-32. The adjusting shaft 12-31 passes through and is embedded in the shaft hole 12-51 and the shaft mounting hole 12-32 in sequence to realize a rotatable connection between the positioning end 12-3 and the outer sleeve 12-5.

[0051] Generally, the outer diameter of the positioning end 12-3 is consistent with that of the outer sleeve 12-5. The outer sleeve 12-5 includes a movement channel 12-52. The push rod 12-1 is disposed inside the movement channel 12-52, with its proximal end connected to the control switch 12-2 and its distal end connected to the positioning end 12-3. When the dental endoscope holder 1 is in the initial state, the positioning end 12-3 and the outer sleeve 12-5 are substantially straight tubes, which will be smoother when entering the oral cavity and will not affect the dental endoscope holder 1 from reaching the working position due to the steps caused by different diameters.

[0052] In this embodiment, an endoscope card slot 12-41 is provided on the handle 12-4. The endoscope card slot 12-41 and the endoscope mounting hole 11-1 provided on the positioning end 12-3 constitute the endoscope connection mechanism 11 with double positioning. The endoscope card slot 12-41 adopts interference fit to achieve rear-end positioning with the endoscope 2. In practical applications, the endoscope card slot 12-41 can also be other connection methods such as snap-in concave-convex card fit to position the rear end of the endoscope 2. The applicant will not list them one by one here, but they are all within the protection scope of this application.

[0053] A switch sliding groove 12-42 is provided on the handle 12-4. The control switch 12-2 is embedded in the switch sliding groove 12-42. The switch sliding groove 12-42 can provide very good guiding effect for the movement of the control switch 12-2, and during clinical use, the movement of the control switch 12-2 can be better controlled.

[0054] In this embodiment, the endoscope connection mechanism 11 is provided on the positioning end 12-3. The working part 2-1 of the endoscope 2 is inserted into the mounting hole 11-1. By slightly pressing the connection line of the endoscope 2 backward, the endoscope 2 is fixed on the positioning end 12-3 through interference fit.

[0055] Reference Figure 1-1 、 Figure 1-2 、 Figure 3-1 and Figure 3-2 , during work, when the control switch 12-2 is pushed forward, the push rod 12-1 pushes the positioning end 12-3 forward. The positioning end 12-3 rotates around the adjustment rotating shaft 12-31 and forms a certain angle with the outer sleeve 12-5, thereby driving the working part 2-1 to form a corresponding angle with the outer sleeve 12-5, so as to adjust the observation angle of the endoscope 2.

[0056] The spatial angle adjustment mechanism 12 may further include an amplitude control mechanism 12-6. The amplitude control mechanism 12-6 can control and limit the adjustment amplitude and adjustment accuracy of the positioning end 12-3, which is more convenient for clinical use.

[0057] Reference Figure 1-1 and Figure 3-1 The amplitude control mechanism 12-6 is a gear adjustment mechanism 12-61. Through the setting of gears, the gear adjustment mechanism 12-61 enables the operator to easily know the adjustment angle and observation status of the working part 2-1 of the endoscope 2. By refining the gear amplitude of the gear adjustment mechanism 12-61, the adjustment accuracy of the positioning end 12-3 can be controlled simultaneously.

[0058] The gear adjustment mechanism 12-61 includes a positioning convex step 12-43 provided on the inner wall of the handle 12-4 and a positioning mechanism 12-62 connected to the proximal end of the push rod 12-1. A positioning block 12-62-1 is provided at the proximal end of the positioning mechanism 12-62. The positioning block 12-62-1 being embedded in the positioning convex step 12-43 constitutes the gear adjustment mechanism 12-61. By controlling the back-and-forth movement of the control switch 12-2, the positioning mechanism 12-62 moves accordingly and is embedded in different positions of the positioning convex step 12-43. When the control switch 12-2 is released, the spatial position of the positioning end 12-3 is fixed. In this embodiment, the positioning convex step 12-43 is in the form of a thread, and by setting the pitch of the thread, the stepping amplitude and adjustment accuracy of the gear adjustment mechanism 12-61 can be set. In practical applications, those skilled in the art can set the gear control method to other manual methods such as a stepped type, or can also be set to pneumatic, electric, etc. methods, and achieve precise control of the gears through degree setting. The applicant does not specifically exemplify here, but all do not depart from the protection scope of this application.

[0059] In this embodiment, the dental endoscope holder 1 can, through the provided spatial angle adjustment mechanism 12, adjust the spatial position and observation angle of the working part 2-1 of the endoscope 2 in the oral cavity by simply pushing the control switch 12-2 back and forth outside the oral cavity. The clinical operation is very simple, and the observation angle requirements in various clinical states can be met through continuous adjustment of the spatial position and observation angle.

[0060] Embodiment 2: The oral endoscope system of the present utility model

[0061] Reference Figure 4 and Figure 5 The oral endoscope system of this embodiment includes the dental endoscope holder described in Embodiment 1.

[0062] The oral endoscope system 100 includes the dental endoscope holder 1 and the endoscope 2. The working part 2-1 of the endoscope 2 is inserted into the mounting hole 11-1. Slightly press the connecting wire of the endoscope 2 backward, and the working part 2-1 of the endoscope 2 is fixed on the positioning end 12-3 by interference fit. The rear end of the connecting wire of the endoscope 2 is fixed in the endoscope card slot 12-41 on the side of the handle 12-4 by interference fit. To facilitate the adjustment of the spatial position and viewing angle of the working part 2-1, the part of the connecting wire of the endoscope 2 between the positioning end 12-3 and the endoscope card slot 12-41 is in a non-contacting and loose state.

[0063] The observation system 21 of the oral endoscope system 100 is arranged at the distal end of the working part 2-1 of the endoscope 2, and the viewing direction is consistent with the radial direction of the positioning end 12-3. Therefore, when the dental endoscope holder 1 adjusts the spatial angle of the positioning end 12-3, the viewing angle of the observation system 21 is also adjusted accordingly.

[0064] During clinical use, the endoscope 2 is installed on the dental endoscope holder 1. The dental endoscope holder 1 enters the oral cavity in an initial horizontal state. After reaching the observation site, push the control switch 12-2 as needed, and the viewing angle of the observation system 21 is adjusted accordingly. After reaching the appropriate viewing angle, release the control switch 12-2. Under the action of the amplitude control mechanism 12-6, the viewing angle of the observation system 21 is fixed. Since the control switch 12-2 is arranged at the extraoral position at the proximal end of the push rod 12-1, during clinical operation, the viewing angle of the endoscope 2 can be very conveniently adjusted and positioned in space by simply pushing back and forth outside the oral cavity.

[0065] The oral endoscope system of this embodiment can be matched with endoscopes 2 of different diameters. During clinical application, the operator can select different endoscopes 2 for adaptation according to needs.

[0066] It should be noted that the structures disclosed and described herein can be replaced by other structures with the same effect, and the embodiments introduced in the present invention are not the only structures for implementing the present invention. Although the preferred embodiments of the present invention have been introduced and described herein, those skilled in the art clearly know that these embodiments are only examples. Those skilled in the art can make countless changes, improvements and substitutions without departing from the present invention. Therefore, the protection scope of the present invention should be defined according to the spirit and scope of the appended claims of the present invention.

Claims

1. Dental endoscope holder, characterized in that: The dental endoscope holder (1) includes an endoscope connection mechanism (11) and a spatial angle adjustment mechanism (12). The endoscope (2) is disposed within and / or on the endoscope connection mechanism (11). The spatial position and observation angle of the working part (2-1) of the endoscope (2) are adjusted by the spatial angle adjustment mechanism (12).

2. The dental endoscope holder according to claim 1, wherein: The spatial angle adjustment mechanism (12) adjusts the spatial position of the working part (2-1) of the endoscope (2) by means of push-pull control, and / or swing control, and / or rotation control.

3. The dental endoscope holder according to claim 1, characterized in that: The spatial angle adjustment mechanism (12) controls the spatial position of the working part (2-1) of the endoscope (2) manually, and / or pneumatically, and / or electrically.

4. The dental endoscope holder according to claim 3, characterized in that: The spatial angle adjustment mechanism (12) controls the spatial position of the working part (2-1) of the endoscope (2) by manual push-pull control.

5. The dental endoscope holder according to claim 4, characterized in that: The spatial angle adjustment mechanism (12) includes a push rod (12-1), a control switch (12-2), and a positioning end (12-3). The endoscope connection mechanism (11) is disposed on the positioning end (12-3). The working part (2-1) of the endoscope (2) is connected to the positioning end (12-3) through the endoscope connection mechanism (11). When the control switch (12-2) is pushed forward, the push rod (12-1) pushes the positioning end (12-3) forward, and the positioning end (12-3) rotates, thereby driving the working part (2-1) to rotate, so as to adjust the spatial position of the working part (2-1).

6. The dental endoscope holder according to claim 5, wherein: The endoscope connection mechanism (11) is an endoscope mounting hole (11-1), which has a size matching that of the working part (2-1).

7. The dental endoscope holder according to claim 5, characterized in that: The spatial angle adjustment mechanism (12) further includes an outer sleeve (12-5); the proximal end of the push rod (12-1) is connected to the control switch (12-2), and the distal end of the push rod (12-1) is connected to the proximal end of the positioning end (12-3); a regulating rotating shaft (12-31) is disposed at the proximal end of the positioning end (12-3), and the regulating rotating shaft (12-31) is embedded in the rotating shaft hole (12-51) at the distal end of the outer sleeve (12-5); when the control switch (12-2) is pushed forward, the push rod (12-1) moves forward, and the positioning end (12-3) rotates around the regulating rotating shaft (12-31), thereby adjusting the spatial position of the working part (2-1).

8. The dental endoscope holder according to claim 5, characterized in that: The spatial angle adjustment mechanism (12) further includes a handle (12-4). The push rod (12-1) is disposed within and / or connected to the handle (12-4), and the control switch (12-2) is disposed on the handle (12-4).

9. The dental endoscope holder according to claim 8, characterized in that: An endoscope card slot (12-41) is disposed on the handle (12-4). The endoscope card slot (12-41) and the endoscope mounting hole (11-1) disposed on the positioning end (12-3) form the endoscope connection mechanism (11) with double positioning.

10. The dental endoscope holder according to claim 8, wherein: A switch chute (12-42) is provided on the handle (12-4), and the control switch (12-2) is embedded in the switch chute (12-42).

11. The dental endoscope holder according to claim 5, characterized in that: The spatial angle adjustment mechanism (12) further includes an amplitude control mechanism (12-6).

12. The dental endoscope holder according to claim 11, wherein: The amplitude control mechanism (12-6) is a gear adjustment mechanism (12-61).

13. The dental endoscope holder according to claim 12, characterized in that: The gear adjustment mechanism (12-61) includes a positioning convex step (12-43) provided on the inner wall of the handle (12-4) and a positioning mechanism (12-62) provided at the proximal end of the push rod (12-1). The positioning mechanism (12-62) is embedded on the positioning convex step (12-43) to form the gear adjustment mechanism (12-61), which controls the reciprocating movement of the control switch (12-2). The positioning mechanism (12-62) moves accordingly and is embedded in different positions of the positioning convex step (12-43). When the control switch (12-2) is released, the spatial position of the positioning end (12-3) is fixed accordingly.

14. An oral endoscope system, characterized in that: The oral endoscope system (100) includes the dental endoscope holder (1) as claimed in claim 1.

15. The oral endoscope system according to claim 14, characterized in that: The oral endoscope system (100) includes the dental endoscope holder (1) and an endoscope (2). The endoscope (2) is disposed within and / or on the endoscope connection mechanism (11) of the dental endoscope holder (1).

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