Gastroscope mouthpiece

Abstract

The present application relates to the technical field of medical apparatus and instruments, and particularly relates to a gastroscope bite device, which comprises an arc-shaped fitting plate, a triangular frame is fixedly connected to the front end of the arc-shaped fitting plate, the triangular frame is composed of a vertical plate and a V-shaped plate, a length adjusting mechanism and a limiting mechanism are arranged on the triangular frame, relief mechanisms are symmetrically arranged on the arc-shaped fitting plate, and a pneumatic adjusting mechanism is arranged on the relief mechanism; the length adjusting mechanism comprises a threaded rod which is screwed through the vertical plate of the triangular frame, a fixed clamping plate is rotatably connected to one end of the threaded rod, two placing grooves are symmetrically formed at the other end of the triangular frame, telescopic clamping plates are arranged on the inner walls of the two placing grooves and can change in length, and the telescopic clamping plates can change in length along with the change in the distance between the V-shaped plates on the triangular frame; the length of the telescopic clamping plates can be adjusted according to the change in the cross-sectional area of the hose, so that the fixed clamping plate can be in contact with the outer surface of the hose and the limiting operation can be completed.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a gastroscopy mouthpiece. Background Technology

[0002] Gastroscopy involves inserting a flexible tube with a camera at the tip through the mouth into the digestive tract to examine the esophagus, stomach, and duodenum for lesions. It is a primary diagnostic tool for diseases of the upper digestive tract. During the procedure, as the endoscope passes through the throat and into the esophagus, the patient may vomit due to nausea. The clenching of the teeth can also damage the endoscope; therefore, a mouthpiece is commonly used in modern medical gastroscopy.

[0003] Existing mouthpieces fix the hose by using a V-shaped plate and a clamping plate. Since the length of the clamping plate is fixed, it cannot contact the hose when the cross-sectional area of ​​the hose decreases. Therefore, it cannot cooperate with the V-shaped plate to fix and limit the hose, which means it cannot be adjusted according to the change in the cross-sectional area of ​​the hose, thus affecting its practicality. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of the prior art by proposing a gastroscopy mouthpiece.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a gastroscopy mouthpiece, comprising an arc-shaped fitting plate, a triangular frame fixedly connected to the front end of the arc-shaped fitting plate, the triangular frame being composed of a vertical plate and a V-shaped plate, a length adjustment mechanism and a limiting mechanism being provided on the triangular frame, a relief mechanism being symmetrically arranged on the arc-shaped fitting plate, and a pneumatic adjustment mechanism being provided on the relief mechanism;

[0006] The length adjustment mechanism includes a threaded rod threaded through the vertical plate of the triangular frame. One end of the threaded rod is rotatably connected to a fixed clamping plate. The other end of the triangular frame is symmetrically provided with placement slots. The inner walls of the two placement slots are provided with telescopic clamping plates that can expand and contract as the spacing between the V-shaped plates on the triangular frame changes.

[0007] The limiting mechanism includes a rotating disk fixedly connected to the other end of the threaded rod. The outer wall of the rotating disk has a plurality of evenly arranged limiting grooves. It also includes a driven plate fixedly connected to one end of the fixed clamping plate corresponding to one side of the threaded rod and passing through a triangular frame. A limiting rod is provided on the triangular frame. The limiting rod is stuck in the limiting groove to complete the limiting and fixing.

[0008] Preferably, each of the two telescopic clamps has multiple storage slots at one end close to each other, and a third spring is fixedly connected between the two sets of storage slots and the two placement slots. Square sliding grooves are provided on both sides of the inner wall of the two placement slots, and square sliders are slidably connected to the inner wall of the two sets of square sliding grooves. The two sets of square sliders are fixedly connected to the two telescopic clamps respectively.

[0009] Preferably, the limiting mechanism further includes a square hole passing through the driven plate, the square hole being disposed on the outer wall of the limiting rod, a square tension plate being fixedly connected to the other end of the limiting rod, and a first tension spring being fixedly connected between the square tension plate and the driven plate corresponding to the outside of the limiting rod.

[0010] Preferably, the top of the inner wall of the square hole is connected to a telescopic groove, the inner wall of the square hole is provided with a square locking post, a second spring is fixedly connected between the square locking post and the telescopic groove, the top of the limiting rod is provided with a square locking groove that matches the shape of the square locking post, and a square pulling rod is fixedly connected to the inner side of the telescopic groove corresponding to the top of the square locking post and passes through the driven plate.

[0011] Preferably, the relief mechanism includes movable through holes symmetrically distributed on the arc-shaped bonding plate, movable plates are provided on the inner walls of the two sets of movable through holes, and bite plates are fixedly connected to the rear ends of the two sets of movable plates. A first spring is fixedly connected to one end of the two sets of movable plates close to each other, and a fixing block is fixedly connected between the two sets of first springs. Both fixing blocks are fixedly connected to the arc-shaped bonding plate.

[0012] Preferably, the pneumatic adjustment mechanism includes a preliminary tongue depressor plate fixedly connected to the lower bite plate, an adjustment groove is provided at the rear end of the preliminary tongue depressor plate, an extension tongue depressor plate is provided on the inner wall of the adjustment groove, a rod-shaped piston is fixedly connected to the front end of the extension tongue depressor plate, and a plurality of second tension springs are fixedly connected between the rod-shaped piston and the adjustment groove.

[0013] Preferably, the initial tongue depressor, the lower bite plate, and the movable plate are fixedly connected to a connecting tube that extends into the adjustment groove, and the other end of the connecting tube is fixedly connected to a pressure airbag.

[0014] Preferably, each of the telescopic clamps has an inclined surface at one end away from the other, and the slope of the inclined surface is consistent with that of the V-shaped plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. By setting the length adjustment mechanism, the length of the telescopic clamp can be adjusted according to the change of the cross-sectional area of ​​the hose, so that the fixed clamp can contact the outer surface of the hose to complete the limiting operation. This allows hoses with different cross-sectional areas to be fixed and limited, improving practicality. The cooperation between the V-shaped plate on the triangular frame, the fixed clamp, and the telescopic clamp can clamp and fix the hose from three directions, thus forming a more stable triangular clamping structure that can effectively resist forces from all directions. Moreover, the structure is simple, so the hose is not easy to shift or loosen when subjected to external forces, ensuring the reliability and stability of the fixation.

[0017] 2. Through the setting of the limiting mechanism, the threaded rod can be limited after the hose is limited by the cooperation of the limiting rod and the limiting groove, so as to prevent the threaded rod from loosening due to the back and forth shaking of the mouthpiece during use, thereby ensuring the limiting effect and further improving the reliability and stability of the fixation.

[0018] 3. Through the designed relief mechanism, the patient can bite on the mouthplate and move it up and down with the help of the first spring. Therefore, during the treatment, the patient's mouth can move, relieving the stiffness caused by prolonged mouth opening, thereby relieving the patient's discomfort.

[0019] 4. The set-in air pressure adjustment mechanism can fix the patient's tongue with the initial tongue depressor and the extended tongue depressor to prevent the patient's tongue from falling into the throat during treatment and to prevent the patient from having difficulty breathing. When fixing, squeezing the pressure bladder can inflate the adjustment groove and generate air pressure to push the extended tongue depressor to move. Therefore, it can be adjusted according to the length of the patient's tongue, thereby increasing the range of use and ensuring the effect of use. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a gastroscopy mouthpiece according to the present invention;

[0021] Figure 2 This is a top view of another perspective of the endoscope mouthpiece of the present invention;

[0022] Figure 3 This invention relates to a gastroscopy mouthpiece. Figure 2 Enlarged view of point A in the middle;

[0023] Figure 4 This is a rear-view perspective view of a gastroscopy mouthpiece according to the present invention;

[0024] Figure 5 This is a cross-sectional view of the driven plate of a gastroscopy mouthpiece according to the present invention;

[0025] Figure 6 This is a partial structural exploded view of a gastroscopy mouthpiece according to the present invention;

[0026] Figure 7 This is a partial structural exploded view of a gastroscopy mouthpiece according to the present invention;

[0027] Figure 8 This is a cross-sectional view of the movable plate, the biting plate, and the preliminary tongue depressor of a gastroscopy mouthpiece according to the present invention.

[0028] In the diagram: 1. Arc-shaped bonding plate; 2. Movable through hole; 3. Triangular frame; 4. Threaded rod; 5. Driven plate; 6. Fixed clamping plate; 7. Telescopic clamping plate; 8. Movable plate; 9. Connecting pipe; 10. Pressure airbag; 11. Fixed block; 12. First spring; 13. Limiting groove; 14. Rotating disk; 15. Limiting rod; 16. Square pulling plate; 17. First tension spring; 18. Square pulling rod; 19. Biting plate; 20. Initial tongue depressor plate; 21. Extended tongue depressor plate; 22. Second spring; 23. Telescopic groove; 24. Square locking post; 25. Square hole; 26. Square locking groove; 27. Third spring; 28. Square slider; 29. ​​Storage groove; 30. Placement groove; 31. Square sliding groove; 32. Rod-shaped piston; 33. Adjustment groove; 34. Second tension spring. Detailed Implementation

[0029] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0030] like Figures 1-8 The gastroscopy mouthpiece shown includes an arc-shaped fitting plate 1, which fits against the patient's lips during use to block the mouthpiece. A triangular frame 3 is fixedly connected to the front end of the arc-shaped fitting plate 1. The triangular frame 3 consists of a vertical plate and a V-shaped plate, and is made of medical-grade polycarbonate, which has excellent impact resistance and heat resistance, and can maintain stable physical properties over a wide temperature range. Therefore, the triangular frame 3 will not deform during use. The triangular frame 3 is equipped with a length adjustment mechanism and a limiting mechanism. A relief mechanism is symmetrically arranged on the arc-shaped fitting plate 1. It has a pneumatic adjustment mechanism, and the length adjustment mechanism can adjust the length of the clamp according to the cross-sectional area of ​​the hose, so that it can be used for hoses with different cross-sectional areas and improve the stability and reliability of clamping and fixing. The limiting mechanism can limit the hose after clamping and fixing, further ensuring the stability and reliability of fixing and preventing the threaded rod 4 from shaking. The relief mechanism can relieve the stiffness of the patient's mouth during treatment. The pneumatic adjustment mechanism can adjust the pressure according to the length of the patient's tongue to prevent the tongue from blocking the throat.

[0031] like Figure 1 , Figure 7 As shown, the length adjustment mechanism includes a threaded rod 4 threaded through the vertical plate of the triangular frame 3. The material of the threaded rod 4 is the same as that of the triangular frame 3, so it will not bend during use. One end of the threaded rod 4 is rotatably connected to a fixed clamping plate 6. The other end of the triangular frame 3 is symmetrically provided with placement slots 30. The inner walls of the two placement slots 30 are provided with telescopic clamping plates 7 that can expand and contract. The telescopic clamping plates 7 expand and contract as the spacing between the V-shaped plates on the triangular frame 3 changes. The ends of the telescopic clamping plates 7 that are far apart from each other are provided with inclined surfaces, and the slope of the inclined surfaces of the V-shaped plates is consistent with that of the V-shaped plates. A moving slot and a moving block are provided between the telescopic clamping plates 7 and the V-shaped plates, so as to limit the telescopic clamping plates 7 and prevent them from deflecting during movement.

[0032] like Figure 1 , Figure 3 As shown, the limiting mechanism includes a rotating disk 14 fixedly connected to the other end of the threaded rod 4. The outer wall of the rotating disk 14 is provided with a plurality of evenly arranged limiting grooves 13. It also includes a driven plate 5 fixedly connected to one end of the fixed clamping plate 6 corresponding to one side of the threaded rod 4 and passing through the triangular frame 3. A limiting rod 15 is provided on the triangular frame 3. The limiting rod 15 is stuck in the limiting groove 13 to complete the limiting and fixing.

[0033] like Figure 7 As shown, each of the two telescopic clamps 7 has multiple storage slots 29 at one end close to each other. A third spring 27 is fixedly connected between each set of storage slots 29 and each of the two placement slots 30. Square sliding grooves 31 are provided on both sides of the inner wall of each of the two placement slots 30. Square sliders 28 are slidably connected to the inner walls of each set of square sliding grooves 31. The two sets of square sliders 28 are fixedly connected to the two telescopic clamps 7 respectively. The third spring 27 allows the length of the telescopic clamps 7 to change automatically, while the storage slots 29 can store the third spring 27 to avoid affecting the movement of the telescopic clamps 7. The square sliding grooves 31 and square sliders 28 work together to limit and fix the telescopic clamps 7, ensuring effective use. The telescopic clamps 7 and the fixed clamps 6 simultaneously clamp and fix the hose.

[0034] like Figure 5 , Figure 6 As shown, the limiting mechanism also includes a square hole 25 passing through the driven plate 5. The square hole 25 is located on the outer wall of the limiting rod 15. A square tension plate 16 is fixedly connected to the other end of the limiting rod 15. A first tension spring 17 is fixedly connected between the square tension plate 16 and the driven plate 5, corresponding to the outside of the limiting rod 15. The square hole 25 can limit the shape of the limiting rod 15, so that the limiting rod 15 can only perform telescopic movements. The square tension plate 16 can fix the first tension spring 17 to the limiting rod 15 together, and the elastic action of the first tension spring 17 can reset it. When the square tension plate 16 is pulled outward, the first tension spring 17 is in a stretched state.

[0035] like Figure 5 , Figure 6 As shown, the top of the inner wall of the square hole 25 is connected to a telescopic groove 23. A square locking post 24 is provided on the inner wall of the square hole 25. A second spring 22 is fixedly connected between the square locking post 24 and the telescopic groove 23. The top of the limiting rod 15 has a square slot 26 that matches the shape of the square locking post 24. A square pulling rod 18 is fixedly connected to the top of the square locking post 24 corresponding to the inner side of the telescopic groove 23 and passes through the driven plate 5. The telescopic groove 23 can limit the square locking post 24. The second spring 22 can reset the square locking post 24 and make it lock in the square slot 26, thus completing the limiting operation of the limiting rod 15. The square pulling rod 18 facilitates the upward movement of the square locking post 24 and allows it to be stored in the telescopic groove 23, facilitating the movement of the limiting rod 15.

[0036] like Figure 1 , Figure 2 As shown, the relief mechanism includes symmetrically distributed movable through holes 2 on the arc-shaped fitting plate 1. Movable plates 8 are installed on the inner walls of the two sets of movable through holes 2. A mouthpiece 19 is fixedly connected to the rear end of each of the two sets of movable plates 8. A first spring 12 is fixedly connected to one end of each set of movable plates 8, close to each other. A fixing block 11 is fixedly connected between each set of first springs 12, and both fixing blocks 11 are fixedly connected to the arc-shaped fitting plate 1. When the patient bites down on the mouthpiece 19, the first springs 12 allow the patient's mouth to move up and down, thus relieving mouth fatigue. The fixing blocks 11 limit the movement of the first springs 12, keeping them in a compressed or reset state, thereby facilitating mouth movement.

[0037] like Figure 4 , Figure 8As shown, the pneumatic adjustment mechanism includes a preliminary tongue depressor 20 fixedly connected to the lower bite plate 19. An adjustment groove 33 is provided at the rear end of the preliminary tongue depressor 20. An extension tongue depressor 21 is provided on the inner wall of the adjustment groove 33. The shapes of the adjustment groove 33 and the extension tongue depressor 21 are adapted to each other. A rod-shaped piston 32 is fixedly connected to the front end of the extension tongue depressor 21. A plurality of second tension springs 34 are fixedly connected between the rod-shaped piston 32 and the adjustment groove 33. A connecting pipe 9 is fixedly connected to the preliminary tongue depressor 20, the lower bite plate 19 and the moving plate 8 and extends into the adjustment groove 33. A pressure airbag 10 is fixedly connected to the other end of the connecting pipe 9. The pressure bladder 10 is the same type as the bladder on the old-fashioned blood pressure monitor, and the principle is the same, which is existing technology. The initial tongue depressor 20 and the extended tongue depressor 21 work together to limit the patient's tongue. The rod-shaped piston 32 can prevent air leakage. By injecting air into the space between the rod-shaped piston 32 and the adjustment groove 33, the internal pressure is increased, causing the extended tongue depressor 21 to move outward. The connecting tube 9 is made of medical plastic and has a bendable effect. Therefore, after adjustment, the pressure bladder 10 can be placed next to the patient. The initial tongue depressor 20 and the extended tongue depressor 21 are connected by a groove and a block, so the extended tongue depressor 21 can be limited to prevent it from leaving the range of the adjustment groove 33.

[0038] Working principle: First, tie straps to the hanging parts on both sides of the arc-shaped fitting plate 1, and have the patient bite down on the bite plate 19. Then, tie the straps to the patient's head for fixation. Next, squeeze the pressure airbag 10 to generate gas, which enters the space formed by the adjustment groove 33 and the rod-shaped piston 32 through the connecting tube 9. Repeated squeezing increases the pressure in the space and pushes the rod-shaped piston 32 and the extended tongue depressor 21 outward. The patient can feel the movement of the extended tongue depressor 21. When the appropriate position is reached, remind the medical staff to stop the pressurization operation. Therefore, it can be adjusted according to the length of the patient's tongue to improve the effect. Then, pass the hose with the camera device through the triangular frame 3 into the patient's body. When it is inserted into the appropriate position, lift the square pulling rod 18 to make the square locking post 24 leave the square locking groove 26 and release the limitation of the limiting rod 15. Then, pull the square pulling plate 16 outward, moving the limiting rod 15 away from the range of the limiting groove 13, releasing the limitation on the rotating disk 14. At this time, release the square pulling rod 18. The elastic reset action of the second spring 22 causes the square locking post 24 to fall on top of the limiting rod 15. Then, the rotating disk 14 is rotated, and the threaded rod 4 rotates synchronously. The threaded effect of the threaded rod 4 can make the fixing clamp 6 move closer to the hose. At the same time, the telescopic clamp 7 will move into the placement groove 30 to avoid obstructing the fixing clamp 6. This can fix and limit hoses with different cross-sectional areas, improving practicality. After fixing and limiting, the square pulling plate 16 is released and reset under the elastic reset action of the first tension spring 17, and the square pulling plate 16 and the limiting rod 15 are reset, and the limiting rod 15 is inserted into the appropriate limiting groove 13. At the same time, under the elastic reset action of the second spring 22, the square locking post 24 is locked into the square locking groove 26 to complete the limiting operation, preventing the threaded rod 4 from loosening during use, thus ensuring the limiting effect on the hose. In addition, with the cooperation of the first spring 12 and the fixing block 11, the patient's mouth can move up and down, thereby preventing the patient's mouth from becoming stiff and improving comfort.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A gastroscopy mouthpiece comprising an arc-shaped fitting plate (1), characterized in that: The front end of the arc-shaped bonding plate (1) is fixedly connected to a triangular frame (3), which is composed of a vertical plate and a V-shaped plate. The triangular frame (3) is provided with a length adjustment mechanism and a limiting mechanism. The arc-shaped bonding plate (1) is symmetrically provided with a relief mechanism, and the relief mechanism is provided with a pneumatic adjustment mechanism. The length adjustment mechanism includes a threaded rod (4) threaded through the vertical plate of the triangular frame (3), one end of the threaded rod (4) is rotatably connected to a fixed clamping plate (6), and the other end of the triangular frame (3) is symmetrically provided with placement slots (30). The inner walls of the two placement slots (30) are provided with telescopic clamping plates (7) that can expand and contract. The telescopic clamping plates (7) expand and contract as the spacing between the V-shaped plates on the triangular frame (3) changes. The limiting mechanism includes a rotating disk (14) fixedly connected to the other end of the threaded rod (4). The outer wall of the rotating disk (14) is provided with a plurality of evenly arranged limiting grooves (13). It also includes a driven plate (5) fixedly connected to one end of the fixed clamping plate (6) corresponding to the side of the threaded rod (4) and passing through the triangular frame (3). A limiting rod (15) is provided on the triangular frame (3). The limiting rod (15) is stuck in the limiting groove (13) to complete the limiting and fixing. The relief mechanism includes movable through holes (2) symmetrically distributed on the arc-shaped bonding plate (1). Movable plates (8) are provided on the inner walls of the two sets of movable through holes (2). The rear ends of the two movable plates (8) are fixedly connected to bite plates (19). The two sets of movable plates (8) are fixedly connected to one end close to each other with a first spring (12). The two sets of first springs (12) are fixedly connected to a fixing block (11). The two fixing blocks (11) are fixedly connected to the arc-shaped bonding plate (1). The pneumatic adjustment mechanism includes a preliminary tongue depressor plate (20) fixedly connected to the lower bite plate (19). The rear end of the preliminary tongue depressor plate (20) is provided with an adjustment groove (33). An extension tongue depressor plate (21) is provided on the inner wall of the adjustment groove (33). A rod-shaped piston (32) is fixedly connected to the front end of the extension tongue depressor plate (21). A plurality of second tension springs (34) are fixedly connected between the rod-shaped piston (32) and the adjustment groove (33). The initial tongue depressor (20), the lower mouth biting plate (19) and the moving plate (8) are fixedly connected to a connecting tube (9) that extends into the adjusting groove (33). The other end of the connecting tube (9) is fixedly connected to a pressure airbag (10).

2. The mouthpiece according to claim 1, wherein: The two telescopic clamps (7) are provided with multiple storage slots (29) at one end close to each other. A third spring (27) is fixedly connected between the two sets of storage slots (29) and the two placement slots (30). Square sliding grooves (31) are provided on both sides of the inner wall of the two placement slots (30). Square sliders (28) are slidably connected to the inner wall of the two sets of square sliding grooves (31). The two sets of square sliders (28) are fixedly connected to the two telescopic clamps (7).

3. The endoscope mouthpiece according to claim 1, characterized in that: The limiting mechanism also includes a square hole (25) passing through the driven plate (5), the square hole (25) being disposed on the outer wall of the limiting rod (15), and a square pull plate (16) being fixedly connected to the other end of the limiting rod (15). A first tension spring (17) is fixedly connected between the square pull plate (16) and the driven plate (5) to the outside of the limiting rod (15).

4. The endoscope mouthpiece according to claim 3, characterized in that: The top of the inner wall of the square hole (25) is connected to the telescopic groove (23). A square locking post (24) is provided on the inner wall of the square hole (25). A second spring (22) is fixedly connected between the square locking post (24) and the telescopic groove (23). A square locking groove (26) adapted to the shape of the square locking post (24) is opened at the top of the limiting rod (15). A square pulling rod (18) is fixedly connected to the inner side of the telescopic groove (23) at the top of the square locking post (24) and passes through the driven plate (5).

5. The endoscope mouthpiece according to claim 1, characterized in that: The telescopic clamps (7) are all provided with inclined surfaces at their opposite ends, and the slope of the inclined surfaces is consistent with that of the V-shaped plates.

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