Oral cavity opening size adjusting device for stomatology department examination

Abstract

The oral cavity opening size adjusting device comprises a fixing frame and a measuring assembly, rotating seats are rotationally clamped to the two ends of the fixing frame correspondingly, through holes are formed in the rotating seats, a sliding rod and a threaded rod are slidably clamped in the two through holes correspondingly, and fixing blocks are fixedly connected to the bottom ends of the sliding rod and the threaded rod through longitudinal rods correspondingly; the measuring assembly comprises a guide rail connected between the two fixing blocks, a moving seat is slidably clamped on the outer side of the guide rail, and a pair of pneumatic rods are rotatably connected to one side, close to the guide rail, of the moving seat; the external shape of teeth of a patient can be measured by the measuring assembly and synchronized to the soft strip clamped in the shaping clamp, then the occlusion block is arranged in the extension direction of the soft strip and clamped to teeth of the lower jaw of the patient, and finally, the occlusion block is pulled through the fixing block so as to be matched with the fixing frame to open the oral cavity of the patient for auxiliary fixing.

Description

Technical Field

[0001] This invention relates to the field of oral examination technology, and more specifically, to an oral cavity opening adjustment device for oral examination. Background Technology

[0002] When adjusting the size of the mouth opening during a dental examination, it is usually necessary to use a fixed tool near the patient's mouth to adjust the angle of the mouth opening. At the same time, in order to maintain the opening effect of the patient's mouth for a long time, it is necessary to have a fine-tuning function for the opening angle of the patient's mouth and to drain the patient's saliva, so as to reduce the burden on the patient's jaw muscles and avoid the leakage of saliva and instrument contamination.

[0003] However, existing oral cavity opening adjustment devices for dental examinations are not sufficiently adapted to the direction of gingival extension when opening the patient's mouth. Prolonged contact between the device and the patient's gums can easily damage the gums, thereby reducing the effectiveness of the device. Summary of the Invention

[0004] This invention provides an oral cavity opening adjustment device for dental examinations, which solves the problem that existing oral cavity opening adjustment devices for dental examinations are not adaptable to the extension direction of the patient's gums when opening the patient's mouth, and are prone to causing damage to the patient's gums.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A dental examination oral cavity opening adjustment device includes a fixed frame and a measuring component. The fixed frame has rotating seats rotatably mounted at both ends. Each rotating seat has a through hole, and a slide rod and a screw rod are slidably mounted within each of the two through holes. The bottom ends of both the slide rod and the screw rod are fixedly connected to fixed blocks via longitudinal rods. The measuring component includes a guide rail connecting the two fixed blocks. A movable seat is slidably mounted on the outer side of the guide rail, and a pair of pneumatic rods are rotatably connected to the movable seat near the guide rail.

[0007] Preferably, the movable seat is provided with a pair of motor-driven rollers on the side near the guide rail, the outer wall of the rollers is in contact with the outer side of the guide rail, and a pair of limiting blocks are provided at either end of the guide rail.

[0008] Preferably, the movable seat is connected to a connecting frame via a hydraulic rod, the output end of the connecting frame is connected to a connecting frame, both ends of the connecting frame are connected to a movable frame, and a convex button is eccentrically connected at the hinge point between the pneumatic rod and the movable seat, the convex button being engaged within the movable frame.

[0009] Preferably, a movable block is hinged to the free end of the pneumatic rod, a connecting rod is passed through the movable block, and a connecting plate is connected to the free ends of the two connecting rods. A directional rod and a directional sleeve are respectively connected to the opposite ends of the two connecting plates, and the directional rod passes through the directional sleeve.

[0010] Preferably, the free ends of the two connecting rods are respectively connected to a shaping clamp and a moving brush, a soft strip is clamped inside the shaping clamp, and the moving brush and the shaping clamp are arranged in the same vertical direction.

[0011] Preferably, a groove is provided on the inner side of the front end of the fixing frame, and a pad is connected to the rear end of the fixing frame by an elastic rope. A crossbeam is provided at the front end of the fixing frame, and a fixing groove is provided at the bottom end of the crossbeam. A fixing component is provided in the fixing groove.

[0012] Preferably, the fixing component includes a swing rod rotatably engaged within the fixing groove, a torsion spring is provided between the swing rod and the fixing groove, the torsion spring's winding direction points towards the groove, a slider is slidably engaged on the inner side of the swing rod, and a fixing plate is connected to one end of the slider near the groove.

[0013] Preferably, the top of the swing arm has a guide window, and guide wheels are rotatably engaged at both ends of the guide window. The top of the slider is connected to a traction rope, which is engaged on the outside of the guide wheels. The outside of the swing arm has a side groove, and a drive plate is slidably engaged in the side groove. The free end of the traction rope is connected to the top of the drive plate. A guide block is connected to the top of the side groove, and the bottom end of the guide block is connected to the drive plate via a spring.

[0014] Preferably, a knob is rotatably mounted on the top of any of the rotating seats, the inner side of the knob is screwed to the screw, a connecting block is provided on the outer side of the fixed frame, a drive frame is connected to one side of the connecting block via a telescopic rod, and a guide button is eccentrically connected to the outer side of the rotating seat on the same side, the guide button being slidably mounted in the drive frame.

[0015] Preferably, a pair of directional grooves are provided on the outer side of both the screw and the slide rod, and both the screw and the slide rod are slidably engaged in the through hole through the directional grooves, with an end block connected to the top of the slide rod.

[0016] The principle and beneficial effects of this technical solution:

[0017] (1) The measuring component set in this invention can measure the external shape of the patient's teeth and simultaneously attach it to the soft strip inside the shaping clip. Then, the biting block is set along the extension direction of the soft strip and is attached to the patient's lower teeth. Finally, the biting block is pulled by the fixing block to assist in fixing the opening of the patient's mouth with the fixing frame. The soft strip is fixed to the bottom of the guide rail. Similarly, the height of the vertical rod is adjusted so that the guide rail moves to the vicinity of the patient's lower jaw. The soft strip is then attached to the patient's lower teeth to adjust and fix the opening angle of the patient's mouth.

[0018] (2) The fixing component provided in this invention can be used with the fixing frame to fix the whole device to the patient's face. By adjusting the position of the components in the fixing component, the fixing plate in the fixing component can be fastened to the patient's upper jaw teeth. Then, the patient's lower jaw can be opened by the vertical rod to fix the patient's oral cavity opening angle. At the same time, the torsion spring provided between the swing rod and the fixing groove will make the swing rod close to the patient's upper jaw to ensure the fixation effect. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the disassembled structure of the present invention;

[0021] Figure 3 for Figure 2 Enlarged structural diagram of region A in the middle;

[0022] Figure 4 for Figure 2 A magnified structural diagram of region B in the middle;

[0023] Figure 5 for Figure 2 A magnified structural diagram of region C in the middle;

[0024] The reference numerals in the accompanying drawings include: 1. Fixing frame; 2. Fixing groove; 3. Groove; 4. Fixing block; 5. End block; 6. Slide rod; 7. Elastic rope; 8. Connecting block; 9. Longitudinal rod; 10. Guide wheel; 11. Traction rope; 12. Drive plate; 13. Fixing plate; 14. Slider; 15. Side groove; 16. Crossbeam; 17. Guide window; 18. Guide block; 19. Spring; 20. Swing rod; 21. Screw; 22. Pad 23. Plate; 24. Orientation groove; 25. Drive frame; 26. Telescopic rod; 27. Knob; 28. Through hole; 29. ​​Guide button; 30. Rotating seat; 31. Moving block; 32. Roller; 33. Moving frame; 34. Limiting block; 35. Guide rail; 36. Connecting frame; 37. Pneumatic rod; 38. Shaping clamp; 39. Moving brush; 40. Moving seat; 41. Orientation rod; 42. Orientation sleeve; 43. Connecting plate. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0026] Example:

[0027] like Figures 1 to 5 As shown, the present invention provides an oral cavity opening adjustment device for dental examination, including a fixed frame 1 and a measuring component. The fixed frame 1 has rotating seats 29 rotatably mounted at both ends. The rotating seats 29 have through holes 27. A slide rod 6 and a screw 21 are slidably mounted in the two through holes 27 respectively. The bottom ends of the slide rod 6 and the screw 21 are fixedly connected to the fixing blocks 4 by the longitudinal rods 9. The measuring component includes a guide rail 34 connecting the two fixing blocks 4. A movable seat 40 is slidably mounted on the outside of the guide rail 34. A pair of pneumatic rods 36 are rotatably connected to the movable seat 40 near the side of the guide rail 34.

[0028] like Figure 5 As shown, the movable seat 40 is provided with a pair of rollers 31 driven by a motor on the side near the guide rail 34. The outer wall of the rollers 31 contacts the outer side of the guide rail 34, and a pair of limit blocks 33 are provided at either end of the guide rail 34.

[0029] like Figure 5 As shown, the movable seat 40 is connected to the connecting frame 35 via a hydraulic rod. The output end of the connecting frame 35 is connected to the connecting frame 35. Both ends of the connecting frame 35 are connected to the movable frame 32. The pneumatic rod 36 and the movable seat 40 are eccentrically connected to a protruding button at the hinge point. The protruding button is locked in the movable frame 32.

[0030] like Figure 5 As shown, a movable block 30 is hinged to the free end of the pneumatic rod 36. A connecting rod 38 is passed through the movable block 30. A connecting plate 43 is connected to the free end of each of the two connecting rods 38. A directional rod 41 and a directional sleeve 42 are respectively connected to the opposite ends of the two connecting plates 43. The directional rod 41 passes through the directional sleeve 42.

[0031] like Figure 5 As shown, the free ends of the two connecting rods 38 are respectively connected to a shaping clamp 37 and a moving brush 39. A soft strip is clamped inside the shaping clamp 37, and the moving brush 39 and the shaping clamp 37 are arranged in the same vertical direction.

[0032] like Figures 1 to 4 As shown, a groove 3 is provided on the inner side of the front end of the fixed frame 1, and a pad 22 is connected to the rear end of the fixed frame 1 by an elastic rope 7. A crossbeam 16 is provided at the front end of the fixed frame 1, and a fixing groove 2 is provided at the bottom end of the crossbeam 16. A fixing component is provided in the fixing groove 2.

[0033] like Figures 1 to 3As shown, the fixing component includes a swing rod 20 that is rotatably locked in the fixing groove 2. A torsion spring is provided between the swing rod 20 and the fixing groove 2. The torsion spring is wound in the direction of the groove 3. A slider 14 is slidably locked inside the swing rod 20. A fixing plate 13 is connected to one end of the slider 14 near the groove 3.

[0034] like Figure 3 As shown, a guide window 17 is provided at the top of the swing arm 20, and guide wheels 10 are rotatably locked at both ends of the guide window 17. A traction rope 11 is connected to the top of the slider 14, and the traction rope 11 is locked on the outside of the guide wheel 10. A side groove 15 is provided on the outside of the swing arm 20, and a drive plate 12 is slidably locked in the side groove 15. The free end of the traction rope 11 is connected to the top of the drive plate 12. A guide block 18 is connected to the top of the side groove 15, and the bottom end of the guide block 18 is connected to the drive plate 12 through a spring 19.

[0035] like Figure 1 , Figure 2 and Figure 4 As shown, a knob 26 is rotatably mounted on the top of any rotating seat 29. The inner side of the knob 26 is screwed to the screw 21. A connecting block 8 is provided on the outer side of the fixed frame 1. A drive frame 24 is connected to one side of the connecting block 8 via a telescopic rod 25. A guide button 28 is eccentrically connected to the outer side of the rotating seat 29 on the same side. The guide button 28 is slidably mounted in the drive frame 24.

[0036] like Figure 2 and Figure 4 As shown, a pair of directional grooves 23 are provided on the outer side of both the screw 21 and the slide rod 6. The screw 21 and the slide rod 6 are slidably locked in the through hole 27 through the directional grooves 23. The top of the slide rod 6 is connected to an end block 5.

[0037] The fixation component, together with the fixation frame, secures the entire device to the patient's face. By adjusting the position of the components within the fixation component, the fixation plate can be fastened to the patient's maxillary teeth. Then, the longitudinal rod opens the patient's mandible, thus providing oral cavity opening angle support. When the position of the fixation plate needs to be adjusted according to the patient's maxillary position, the fixation plate is manually lowered, causing the end of the fixation plate with the slider to slide along the inner side of the swing rod. At this time, the drive plate connected to the top of the slider via the traction rope will move upward simultaneously. This causes the traction rope to move along the guide wheels at both ends of the guide window, compressing the spring between the drive plate and the guide block, moving the fixation plate to the bottom of the patient's maxillary teeth. Then, the fixation plate is released, and it will return to its original position under the spring force to fasten to the patient's maxillary teeth. Simultaneously, the torsion spring between the swing rod and the fixation slot will keep the swing rod close to the patient's maxillary to ensure the support effect.

[0038] The specific usage and function of this embodiment are as follows:

[0039] The measuring component in this invention can measure the external shape of the patient's teeth and simultaneously attach it to the soft strip inside the shaping clip 37. Then, an occlusal block is placed along the extension direction of the soft strip and attached to the patient's lower jaw teeth. Finally, the occlusal block is pulled by the fixing block 4, which, together with the fixing frame 1, assists in opening the patient's mouth for fixation. Before using the measuring component, the fixing frame 1 is first fixed to the patient's face using the fixing component. Then, the knob 26, which is mounted on the top of the rotating seat 29, is rotated. Since the inner side of the knob 26 is screwed to the screw 21, and the screw 21 is slidably mounted in the through-hole via the directional groove 23... Inside the hole 27, the screw 21 moves along its axis under the drive of the knob 26. As the screw 21 moves, it drives the guide rail 34, connected to the longitudinal rod 9 and the fixing block 4, to move vertically. Simultaneously, the slide rod 6 at the other end of the guide rail 34 keeps it horizontal until the guide rail 34 moves to the vicinity of the patient's jaw. At this point, the hydraulic rod can be extended or retracted. Since the output end of the hydraulic rod is connected to the connecting frame 35, the moving frame 32 connected to both ends of the connecting frame 35 will drive the inner protrusion button to move, causing the pneumatic rod 36 containing the protrusion button to move along its hinge with the moving seat 40. The joint rotates, driving the connecting rod 38 through the pneumatic rod 36 to move the moving block 30 until the moving brush 39 at the free end of one of the connecting rods 38 contacts the outer side of the patient's mandibular teeth. At this time, the motor on the moving seat 40 is activated, which drives the roller 31 to move the moving seat 40 along the guide rail 34. The hydraulic rod pressure is maintained to keep the moving brush 39 in contact with the outer side of the patient's mandibular teeth. Since the moving brush 39 and the shaping clamp 37 are set in the same vertical direction, the moving seat 40 moves along the guide rail 34, causing the shaping clamp 37 to shape the soft strip. After shaping is completed... Move the movable seat 40 out of the device along the open side of the guide rail 34. At this time, fix the soft strip to the bottom of the guide rail 34. Similarly, adjust the height of the vertical rod 9 so that the guide rail 34 moves to the vicinity of the patient's lower jaw. Secure the soft strip to the patient's lower teeth. Then, extend and retract the telescopic rod 25 set on the outside of the drive block 8. The telescopic rod 25 will drive the drive frame 24 connected to its output end to move along its axis. The drive frame 24 will drive the guide button 28 locked on its inner side to move. Finally, the rotating seat 29 where the guide button 28 is located will drive the vertical rod 9 to rotate, so as to adjust and fix the opening angle of the patient's mouth.The measuring component in this invention can measure the external shape of the patient's teeth and simultaneously attach it to the soft strip inside the shaping clip 37. Then, an occlusal block is placed along the extension direction of the soft strip and attached to the patient's lower jaw teeth. Finally, the occlusal block is pulled by the fixing block 4, which, together with the fixing frame 1, assists in opening the patient's mouth for fixation. Before using the measuring component, the fixing frame 1 is first fixed to the patient's face using the fixing component. Then, the knob 26, which is mounted on the top of the rotating seat 29, is rotated. Since the inner side of the knob 26 is screwed to the screw 21, and the screw 21 is slidably mounted in the through-hole via the directional groove 23... Inside the hole 27, the screw 21 moves along its axis under the drive of the knob 26. As the screw 21 moves, it drives the guide rail 34, connected to the longitudinal rod 9 and the fixing block 4, to move vertically. Simultaneously, the slide rod 6 at the other end of the guide rail 34 keeps it horizontal until the guide rail 34 moves to the vicinity of the patient's jaw. At this point, the hydraulic rod can be extended or retracted. Since the output end of the hydraulic rod is connected to the connecting frame 35, the moving frame 32 connected to both ends of the connecting frame 35 will drive the inner protrusion button to move, causing the pneumatic rod 36 containing the protrusion button to move along its hinge with the moving seat 40. The joint rotates, driving the connecting rod 38 through the pneumatic rod 36 to move the moving block 30 until the moving brush 39 at the free end of one of the connecting rods 38 contacts the outer side of the patient's mandibular teeth. At this time, the motor on the moving seat 40 is activated, which drives the roller 31 to move the moving seat 40 along the guide rail 34. The hydraulic rod pressure is maintained to keep the moving brush 39 in contact with the outer side of the patient's mandibular teeth. Since the moving brush 39 and the shaping clamp 37 are set in the same vertical direction, the moving seat 40 moves along the guide rail 34, causing the shaping clamp 37 to shape the soft strip. After shaping is completed... Move the movable seat 40 out of the device along the open side of the guide rail 34. At this time, fix the soft strip to the bottom of the guide rail 34. Similarly, adjust the height of the vertical rod 9 so that the guide rail 34 moves to the vicinity of the patient's lower jaw. Secure the soft strip to the patient's lower teeth. Then, extend and retract the telescopic rod 25 set on the outside of the drive block 8. The telescopic rod 25 will drive the drive frame 24 connected to its output end to move along its axis. The drive frame 24 will drive the guide button 28 locked on its inner side to move. Finally, the rotating seat 29 where the guide button 28 is located will drive the vertical rod 9 to rotate, so as to adjust and fix the opening angle of the patient's mouth.

[0040] The above descriptions are merely embodiments of the present invention, and common knowledge such as specific technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solutions of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An oral cavity opening size adjusting device for an oral examination, characterized by: Including fixed frame (1) and determination assembly, both ends of the fixed frame (1) are rotatably clamped with rotating seat (29), the rotating seat (29 is provided with through hole (27), two the through hole (27) is respectively clamped with sliding rod (6) and screw rod (21) in sliding, the bottom of the sliding rod (6) and the screw rod (21) is fixedly connected with fixed block (4) through vertical rod (9), the determination assembly includes the guide rail (34) connected between the two fixed blocks (4), the mobile seat (40) is clamped and is slid on the outer side of the guide rail (34), the mobile seat (40) is rotatably connected with a pair of pneumatic rods (36) on the side close to the guide rail (34).

2. The mouth opening size adjusting device for dental examination according to claim 1, characterized in that: The mobile seat (40) is provided with a pair of rollers (31) driven by a motor on the side close to the guide rail (34), the outer wall of the roller (31) is in contact with the outer side of the guide rail (34), and the guide rail (34) is provided with a pair of limiting blocks (33) at either end.

3. The mouth opening size adjusting device for dental examination according to claim 2, characterized in that: The mobile seat (40) is connected with a connecting frame (35) through a hydraulic rod, the connecting frame (35) is connected with a connecting frame (35) at the output end, the connecting frame (35) is connected with a moving frame (32) at both ends, the eccentric connection has a knob at the hinge of the pneumatic rod (36) and the mobile seat (40), and the knob is clamped in the moving frame (32).

4. The mouth opening size adjusting device for dental examination according to claim 3, characterized in that: The free end of the pneumatic rod (36) is hingedly connected with a moving block (30), the connecting rod (38) is penetrated on the moving block (30), the free end of the two connecting rods (38) is connected with a connecting plate (43), and the opposite ends of the two connecting plates (43) are connected with a directional rod (41) and a directional sleeve (42) respectively, the directional rod (41) is penetrated in the directional sleeve (42).

5. The mouth opening size adjusting device for dental examination according to claim 4, characterized in that: The free end of the two connecting rods (38) is respectively connected with a shaping clamp (37) and a moving brush (39), the inner side of the shaping clamp (37) is clamped with a soft strip, and the moving brush (39) and the shaping clamp (37) are arranged in the same vertical direction.

6. The mouth opening size adjusting device for dental examination according to claim 5, characterized in that: The inner side of the front end of the fixed frame (1) is provided with a groove (3), the rear end of the fixed frame (1) is connected with a backing plate (22) through an elastic rope (7), the front end of the fixed frame (1) is provided with a cross beam (16), the bottom end of the cross beam (16) is provided with a fixed groove (2), and the fixed groove (2) is provided with a fixed assembly.

7. The mouth opening size adjusting device for dental examination according to claim 6, characterized in that: The fixed assembly comprises a swing lever (20) rotatably clamped in the fixed groove (2), a torsional spring is arranged between the swing lever (20) and the fixed groove (2), the winding direction of the torsional spring points to the groove (3), the inner side of the swing lever (20) is slidably clamped with a sliding block (14), and the sliding block (14) is connected with a fixed plate (13) on the side close to the groove (3).

8. The mouth opening size adjusting device for dental examination according to claim 7, characterized in that: The top end of the swing rod (20) is provided with a guide window (17), both ends of the guide window (17) are rotatably clamped with a guide wheel (10), the top end of the sliding block (14) is connected with a traction rope (11), the traction rope (11) is clamped outside the guide wheel (10), the outer side of the swing rod (20) is provided with a side groove (15), the drive plate (12) is slidably clamped in the side groove (15), the free end of the traction rope (11) is connected with the top end of the drive plate (12), the top end of the side groove (15) is connected with a guide block (18), the bottom end of the guide block (18) is connected with the drive plate (12) through a spring (19).

9. The mouth opening size adjusting device for dental examination according to claim 8, characterized in that: The top end of any one of the rotating seat (29) is rotatably clamped with a knob (26), the inner side of the knob (26) is screwed with the screw rod (21), the outer side of the fixed frame (1) is provided with a connecting block (8), one side of the connecting block (8) is connected with a drive frame (24) through an extension rod (25), the outer side of the rotating seat (29) on the same side is eccentrically connected with a guide knob (28), the guide knob (28) is slidably clamped in the drive frame (24).

10. The mouth opening size adjusting device for dental examination according to claim 9, characterized in that: The outer side of the screw rod (21) and the slide rod (6) is provided with a pair of directional grooves (23), the screw rod (21) and the slide rod (6) are slidably clamped in the through hole (27) through the directional grooves (23), the top end of the slide rod (6) is connected with an end block (5).

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