Head fixator for nasopharyngeal endoscopy of children

Abstract

The invention discloses a child nasopharyngeal endoscopy head fixator which comprises a fixing base, a supporting pad is arranged at the top of the fixing base, sliding grooves located in the two sides of the supporting pad are formed in the top of the fixing base, sliding blocks are arranged in the sliding grooves, and fixing clamping plates are arranged at the tops of the sliding blocks. A vertical frame is fixedly mounted at the top of the fixed clamping plate, a guide sliding rod is fixedly mounted at the top of one side of the vertical frame, a connecting sliding block is slidably connected to the middle of the vertical frame, a transverse plate located above the supporting pad is slidably connected to the other end of the guide sliding rod, and a threaded rod is connected to the middle of the transverse plate in a penetrating and threaded mode; and a pressing knob is fixedly mounted at the top of the threaded rod. According to the head fixator for child nasopharyngeal endoscopy, the fixing clamping plate is used for fixing the head, extra manual auxiliary work is not needed, nasopharyngeal endoscopy can be conducted smoothly, the operation time is shortened, and the examination effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, in particular to a head fixer for nasopharyngeal endoscopy of children. Background Art

[0002] Nasopharyngeal endoscope is a medical device currently widely used for examination of the nasopharynx. It is a type of endoscope. The examination is safe and easy to perform and can be performed in an outpatient clinic without the need for hospitalization.

[0003] In the existing nasopharyngeal endoscopy diagnosis and treatment process, since the medical device needs to be inserted into the patient's nasal cavity, the foreign body sensation is relatively strong, which will cause certain harm to the patient; and diagnosis and treatment need to be performed separately, so each diagnosis and treatment requires the medical device to be inserted into the patient's nasal cavity at least twice. Especially in clinical practice, children with nasopharyngeal cancer have very low cooperation during the examination due to factors such as young age, fear, and pain. The examination often requires the assistance of multiple people and a long time to complete, which affects the operation of the nasopharyngeal endoscope and is very likely to cause nose bleeding. Summary of the invention

[0004] The top of described sliding panel also is provided with an interlocking structure, and the interlocking structure is hinged on the base, and the interlocking structure is hinged on the base with a base on the interlocking structure, and the interlocking structure is hinged on the base for interlocking with the interlocking structure.

[0005] Preferably, the sliding groove is internally rotatably connected with a bidirectional screw rod, the bidirectional screw rod is threadedly connected to the middle part of the sliding block, one end of the bidirectional screw rod is fixedly installed with a clamping knob located on one side of the fixed base, the top of the sliding block is slidably connected with an adjusting column, the top of the adjusting column is fixedly installed with the bottom of the fixed splint, and one side of the sliding block is provided with an adjusting bolt that is tightly pressed against the adjusting column.

[0006] Preferably, the middle part of one side of the fixed splint is rotatably connected to a clamping screw, the front and rear sides of the fixed splint are rotatably connected to auxiliary splints, one side of the fixed splint is fixedly mounted with a rotating bracket located outside the clamping screw, and the other end of the clamping screw is rotatably connected to the middle part of the rotating bracket.

[0007] Preferably, a gear close to the fixed clamp is fixedly installed on the outer circumference of the clamping screw, and a threaded sleeve located inside the rotating bracket is threadedly connected to the outer circumference of the clamping screw. A rack is fixedly installed on one side of the connecting slider, and the rack meshes with one side of the gear.

[0008] Preferably, both ends of the threaded sleeve are rotatably connected to a clamping strut, and the other end of the clamping strut is rotatably connected to one side of the auxiliary clamping plate.

[0009] Preferably, a limiting slider located on one side of the gear is fixedly mounted on the side of the fixed splint, a limiting slot is provided in the middle of the rack, and the limiting slider is slidably connected to the inside of the limiting slot.

[0010] Preferably, the two groups of guide slide rods are respectively fixedly installed on the top of the opposite surfaces of the two vertical frames, the distance between the guide slide rods in the same group is greater than the diameter of the threaded rod, the cross plate is arranged parallel to the lower pressure plate, a vertical slide rod is fixedly installed in the middle part of the vertical frame, the middle part of the connecting slide block is slidably connected with the vertical slide rod, the two ends of the clamping guard plate are respectively rotatably connected to the opposite surfaces of the two connecting slide blocks, and the clamping guard plate is made of elastic material.

[0011] Preferably, protective sponge pads are provided on the top of the support pad, the opposite surfaces of the fixed splint and the auxiliary splint, and the bottom of the compression guard plate, and the clamping strut is penetrated by the front and rear sides of the rotating bracket.

[0012] Preferably, the upper surface of the support pad has an inclination angle of fifteen to twenty degrees.

[0013] Preferably, an anti-skid pad is fixedly installed on the bottom of the fixed base, and fixing belts are arranged on both sides of the anti-skid pad.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. The head fixator for pediatric nasopharyngeal endoscopy examination is provided with a fixed splint. While the child's head is supported by a support pad, the clamping knob is turned so that the bidirectional screw drives the two sliding blocks to approach each other, and the two fixed splints are pressed against both sides of the child's head. The fixed splints are used to limit the head laterally. The spacing between the fixed splints can be adjusted according to the size of the child's head to make the fixation more fitting. Since the head is fixed, no additional manual assistance is required, so the nasopharyngeal endoscopy examination can be carried out smoothly, the operation time is reduced, and the examination effect is improved.

[0016] 2. The head fixator for nasopharyngeal endoscopy of children is provided with a compression guard plate. After the head is fixed by a fixed splint, the threaded rod is driven to rotate by a downward pressing knob, so that the lower pressure plate is moved downward, and then the connecting slider is driven downward by the support plate, so that the compression guard plate is pressed against the forehead, which plays a further restraining role.

[0017] 3. The head fixator for nasopharyngeal endoscopy for children is equipped with an auxiliary splint. When the threaded rod is rotated to drive the connecting slider and the clamping guard plate to move downward, the rack moves downward synchronously, and then the clamping screw is driven to rotate through the gear, so that the threaded sleeve moves along the clamping screw, and then the clamping strut is pushed to move, so that the auxiliary splint is close to the child's head, and the head is restrained again.

[0018] 4. The head fixator for children's nasopharyngeal endoscopy examination is provided with an anti-skid pad and a fixing belt. The fixing base can be fixed by the fixing belt on the one hand, and the friction can be increased by the anti-skid pad on the other hand. Under the dual effects of the fixing belt and the anti-skid pad, the entire device is fixed, which is conducive to the smooth implementation of the corresponding examination.

[0019] 5. The head fixator for pediatric nasopharyngeal endoscopy is provided with an adjusting column and an adjusting bolt. An adjusting column that is plugged into and matched with a sliding block is provided at the bottom of a fixed splint. The top end of the outer side of the sliding block is threadedly connected to the adjusting bolt. By rotating the adjusting bolt, the front end of the adjusting bolt can be abutted against the outer peripheral surface of the adjusting column. In this way, the fixed splint can slide up and down through the adjusting column. After the height is adjusted to the right position, it is fixed with the adjusting bolt, so that the height of the fixed splint can be adjusted as needed, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a structural schematic diagram of a fixing splint of the present invention;

[0023] Figure 3 It is a structural schematic diagram of the fixed base of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the sliding groove of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the horizontal plate of the present invention;

[0026] Figure 6 It is a structural schematic diagram of a fixing splint of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the clamping screw rod of the present invention;

[0028] Figure 8 It is a structural schematic diagram of the sliding block of the present invention.

[0029] In the attached drawings: 1. Fixed base; 2. Support pad; 3. Sliding groove; 4. Sliding block; 5. Fixed splint; 6. Vertical frame; 7. Guide slide rod; 8. Horizontal plate; 9. Threaded rod; 10. Lower pressure plate; 11. Support plate; 12. Connecting slider; 13. Pressing guard plate; 14. Pressing knob; 15. Vertical slide rod; 16. Rack; 17. Rotating bracket; 18. Auxiliary splint; 19. Clamping screw; 20. Gear; 21. Threaded sleeve; 22. Clamping support rod; 23. Limiting slider; 24. Limiting slide groove; 25. Protective sponge pad; 26. Bidirectional screw; 27. Clamping knob; 28. Anti-slip pad; 29. ​​Fixing belt; 30. Adjusting column; 31. Adjusting bolt. DETAILED DESCRIPTION

[0030] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0031] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0032] See also Figures 1 to 8A head holder for pediatric nasopharyngeal endoscopy comprises a fixed base 1, a support pad 2 is arranged on the top of the fixed base 1, a sliding groove 3 is opened on the top of the fixed base 1 on both sides of the support pad 2, a sliding block 4 is arranged inside the sliding groove 3, a fixed splint 5 is arranged on the top of the sliding block 4, a vertical frame 6 is fixedly installed on the top of the fixed splint 5, a guide slide bar 7 is fixedly installed on the top of one side of the vertical frame 6, a connecting slider 12 is slidably connected to the middle of the vertical frame 6, and a horizontal plate 8 located above the support pad 2 is slidably connected to the other end of the guide slide bar 7, a threaded rod 9 is threadedly connected through the middle of the horizontal plate 8, a downward pressing knob 14 is fixedly installed on the top of the threaded rod 9, and a downward pressing plate 10 located below the horizontal plate 8 is rotatably connected to the bottom of the threaded rod 9. The two ends of the plate 10 are rotatably connected to a support plate 11, and the other end of the support plate 11 is rotatably connected to the top of the connecting slider 12. The opposite surfaces of the two connecting sliders 12 are rotatably connected to a clamping guard plate 13 located below the lower pressure plate 10. By setting a fixed splint 5, while the child's head is supported by the support pad 2, the clamping knob 27 is rotated so that the two-way screw rod 26 drives the two sliding blocks 4 to approach each other, and the two fixed splints 5 are pressed against both sides of the child's head, and the fixed splints 5 are used to limit the head laterally. The spacing between the fixed splints 5 can be adjusted according to the size of the child's head to make the fixation more fitting. Since the head is fixed, no additional manual assistance is required, and nasopharyngeal endoscopy examination can be carried out smoothly, reducing operation time and improving inspection effect.

[0033] As an embodiment of the present invention, the sliding groove 3 is internally rotatably connected with a bidirectional screw rod 26, and the bidirectional screw rod 26 is threadedly connected to the middle part of the sliding block 4. One end of the bidirectional screw rod 26 is fixedly installed with a clamping knob 27 located on one side of the fixed base 1. The top of the sliding block 4 is slidably connected with an adjusting column 30. The top of the adjusting column 30 is fixedly installed with the bottom of the fixed clamping plate 5. One side of the sliding block 4 is provided with an adjusting bolt 31 that is tightly pressed against the adjusting column 30. By setting the adjusting column 30 and the adjusting bolt 31, an adjusting column 30 that is plugged and matched with the sliding block 4 is set at the bottom of the fixed clamping plate 5, and the top of the outer side of the sliding block 4 is threadedly connected to the adjusting bolt 31. Rotating the adjusting bolt 31 can make its front end press against the outer peripheral surface of the adjusting column 30. In this way, the fixed clamping plate 5 can slide up and down through the adjusting column 30. After the height is adjusted to the right position, it is fixed with the adjusting bolt 31, so that the height of the fixed clamping plate 5 can be adjusted as needed, which is more convenient to use.

[0034] As an embodiment of the present invention, a clamping screw 19 is rotatably connected to the middle part of one side of the fixed splint 5, and auxiliary splints 18 are rotatably connected to the front and rear sides of the fixed splint 5. A rotating bracket 17 located outside the clamping screw 19 is fixedly installed on one side of the fixed splint 5, and the other end of the clamping screw 19 is rotatably connected to the middle part of the rotating bracket 17.

[0035] As an embodiment of the present invention, a gear 20 close to the fixed splint 5 is fixedly installed on the outer circumference of the clamping screw 19, and a threaded sleeve 21 located inside the rotating bracket 17 is threadedly connected through the outer circumference of the clamping screw 19. A rack 16 is fixedly installed on one side of the connecting slider 12, and the rack 16 is meshed with one side of the gear 20. By setting an auxiliary splint 18, when the rotating threaded rod 9 drives the connecting slider 12 and the clamping guard plate 13 to move downward, the rack 16 moves downward synchronously, and then drives the clamping screw 19 to rotate through the gear 20, so that the threaded sleeve 21 moves along the clamping screw 19, and then pushes the clamping strut 22 to move, so that the auxiliary splint 18 is in close contact with the child's head, and the head is restrained again.

[0036] As an embodiment of the present invention, both ends of the threaded sleeve 21 are rotatably connected to clamping struts 22 , and the other end of the clamping struts 22 is rotatably connected to one side of the auxiliary clamping plate 18 .

[0037] As an embodiment of the present invention, a limiting slider 23 located on one side of the gear 20 is fixedly installed on the side of the fixed splint 5, a limiting slot 24 is opened in the middle of the rack 16, and the limiting slider 23 is slidably connected to the inside of the limiting slot 24.

[0038] As an embodiment of the present invention, two groups of guide slide bars 7 are respectively fixedly installed on the tops of the opposite surfaces of the two upright frames 6, and the distance between the same group of guide slide bars 7 is greater than the diameter of the threaded rod 9. The horizontal plate 8 is arranged in parallel with the lower pressure plate 10. A vertical slide bar 15 is fixedly installed in the middle of the upright frame 6, and the middle part of the connecting slider 12 is slidably connected with the vertical slide bar 15. The two ends of the clamping guard plate 13 are respectively rotatably connected with the opposite surfaces of the two connecting sliders 12. The clamping guard plate 13 is made of elastic material. By setting the clamping guard plate 13, after the head is fixed by the fixed splint 5, the threaded rod 9 is driven to rotate by the pressing knob 14, so that the lower pressure plate 10 moves downward, and then the connecting slider 12 is driven downward by the support plate 11, so that the clamping guard plate 13 is pressed against the forehead, which plays a further restraining role.

[0039] As an embodiment of the present invention, a protective sponge pad 25 is arranged on the top of the support pad 2, the opposite surfaces of the fixed splint 5 and the auxiliary splint 18, and the bottom of the clamping guard plate 13, and the clamping strut 22 is arranged to penetrate the front and rear sides of the rotating bracket 17.

[0040] As an embodiment of the present invention, the upper surface of the support pad 2 has an inclination angle of fifteen to twenty degrees, the support pad 2 is elastic, and the upper surface of the support pad 2 is provided with a concave head accommodating area. The use of an elastic structure can significantly improve the support comfort. In actual applications, it is necessary to ensure that the child's head is tilted and supported so that the child is in a lowered head state during the inspection operation. In actual applications, the upper surface of the support pad 2 has an inclination angle of 15-20°, thereby ensuring that the child can enter the mirror smoothly during the inspection process.

[0041] As an embodiment of the present invention, an anti-slip pad 28 is fixedly installed on the bottom of the fixed base 1, and fixing belts 29 are arranged on both sides of the anti-slip pad 28. By arranging the anti-slip pad 28 and the fixing belt 29, the fixed base 1 can be fixed by the fixing belt 29 on the one hand, and the friction can also be increased by the anti-slip pad 28. Under the dual action of the fixing belt 29 and the anti-slip pad 28, the entire device is fixed, which is conducive to the smooth implementation of the corresponding inspection.

[0042] It should be noted that when in use, while the child's head is supported by the support pad 2, the clamping knob 27 is rotated so that the two-way screw rod 26 drives the two sliding blocks 4 to approach each other, and the two fixed splints 5 are pressed against the two sides of the child's head, and the head is laterally limited by the fixed splints 5. After the head is fixed by the fixed splints 5, the threaded rod 9 is driven to rotate by pressing the knob 14, so that the lower pressure plate 10 moves downward, and then the connecting slider 12 is driven downward by the support plate 11, so that the clamping guard plate 13 is pressed against the forehead, which plays a further restraining role. When the threaded rod 9 is rotated to drive the connecting slider 12 and the clamping guard plate 13 to move downward, the rack 16 moves downward synchronously, and then the gear 20 drives the clamping screw 19 to rotate, so that the threaded sleeve 21 moves along the clamping screw 19, and then pushes the clamping strut 22 to move, so that the auxiliary splint 18 is pressed against the child's head, and the head is restrained again.

[0043] An anti-skid pad 28 and a fixing belt 29 are provided. The fixing base 1 can be fixed by the fixing belt 29 on the one hand, and the anti-skid pad 28 can also increase the friction. Under the dual effects of the fixing belt 29 and the anti-skid pad 28, the entire device is fixed, which is conducive to the smooth implementation of corresponding inspections. Before the fixed splint 5 is clamped, the adjusting bolt 31 is rotated to make its front end abut against the outer peripheral surface of the adjusting column 30. In this way, the fixed splint 5 can slide up and down through the adjusting column 30. After the height is adjusted to the right position, it is fixed with the adjusting bolt 31, so that the height of the fixed splint 5 can be adjusted as needed, which is more convenient to use.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A head holder for nasopharyngeal endoscopy in children, comprising a fixing base (1), characterized in that: A support pad (2) is arranged on the top of the fixed base (1), a sliding groove (3) is opened on the top of the fixed base (1) and is located on both sides of the support pad (2), a sliding block (4) is arranged inside the sliding groove (3), a fixed clamping plate (5) is arranged on the top of the sliding block (4), a stand (6) is fixedly installed on the top of the fixed clamping plate (5), a guide slide bar (7) is fixedly installed on the top of one side of the stand (6), a connecting slider (12) is slidably connected to the middle of the stand (6), and the other end of the guide slide bar (7) is slidably connected to a slide bar located on the support pad (2) A horizontal plate (8) at the top, wherein a threaded rod (9) is threadedly connected through the middle of the horizontal plate (8), a downward pressing knob (14) is fixedly installed on the top of the threaded rod (9), the bottom of the threaded rod (9) is rotatably connected to a lower pressing plate (10) located below the horizontal plate (8), the two ends of the lower pressing plate (10) are rotatably connected to support plates (11), the other end of the support plate (11) is rotatably connected to the top of a connecting slider (12), and the opposite surfaces of the two connecting sliders (12) are rotatably connected to a clamping guard plate (13) located below the lower pressing plate (10).

2. A head holder for pediatric nasopharyngeal endoscopy according to claim 1, characterized in that: The interior of the sliding groove (3) is rotatably connected with a bidirectional screw rod (26), and the bidirectional screw rod (26) is threadedly connected to the middle part of the sliding block (4). One end of the bidirectional screw rod (26) is fixedly installed with a clamping knob (27) located on one side of the fixed base (1). The top of the sliding block (4) is slidably connected with an adjustment column (30), and the top of the adjustment column (30) is fixedly installed with the bottom of the fixed clamping plate (5). One side of the sliding block (4) is provided with an adjustment bolt (31) that is tightly pressed against the adjustment column (30).

3. A head holder for pediatric nasopharyngeal endoscopy according to claim 1, characterized in that: A clamping screw (19) is rotatably connected to the middle of one side of the fixed clamping plate (5), and auxiliary clamping plates (18) are rotatably connected to the front and rear sides of the fixed clamping plate (5). A rotating bracket (17) located outside the clamping screw (19) is fixedly installed on one side of the fixed clamping plate (5), and the other end of the clamping screw (19) is rotatably connected to the middle of the rotating bracket (17).

4. A head holder for pediatric nasopharyngeal endoscopy according to claim 3, characterized in that: A gear (20) close to the fixed clamping plate (5) is fixedly mounted on the outer circumference of the clamping screw (19), and a threaded sleeve (21) located inside the rotating bracket (17) is threadedly connected through the outer circumference of the clamping screw (19). A rack (16) is fixedly mounted on one side of the connecting slider (12), and the rack (16) meshes with one side of the gear (20).

5. A head holder for pediatric nasopharyngeal endoscopy according to claim 4, characterized in that: The two ends of the threaded sleeve (21) are rotatably connected to a clamping strut (22), and the other end of the clamping strut (22) is rotatably connected to one side of the auxiliary clamping plate (18).

6. A head holder for pediatric nasopharyngeal endoscopy according to claim 4, characterized in that: A limiting slide block (23) located on one side of the gear (20) is fixedly mounted on the side of the fixed clamping plate (5), a limiting slide groove (24) is provided in the middle of the rack (16), and the limiting slide block (23) is slidably connected to the inside of the limiting slide groove (24).

7. A head holder for nasopharyngeal endoscopy in children according to claim 1, characterized in that: The two groups of guide slide bars (7) are respectively fixedly installed on the top of the opposite surfaces of the two vertical frames (6), and the distance between the guide slide bars (7) in the same group is greater than the diameter of the threaded rod (9). The horizontal plate (8) and the lower pressure plate (10) are arranged in parallel. A vertical slide bar (15) is fixedly installed in the middle of the vertical frame (6), and the middle of the connecting slider (12) is slidably connected with the vertical slide bar (15). The two ends of the clamping guard plate (13) are respectively rotatably connected with the opposite surfaces of the two connecting sliders (12), and the clamping guard plate (13) is made of elastic material.

8. The head holder for nasopharyngeal endoscopy of children according to claim 5, characterized in that: The top of the support pad (2), the opposite surfaces of the fixed clamp plate (5) and the auxiliary clamp plate (18), and the bottom of the clamping guard plate (13) are provided with a protective sponge pad (25), and the clamping support rod (22) is arranged to penetrate the front and rear sides of the rotating bracket (17).

9. A head holder for pediatric nasopharyngeal endoscopy according to claim 8, characterized in that: The upper surface of the support pad (2) has an inclination angle of fifteen to twenty degrees.

10. A head holder for pediatric nasopharyngeal endoscopy according to claim 1, characterized in that: An anti-skid pad (28) is fixedly mounted on the bottom of the fixed base (1), and fixing belts (29) are arranged on both sides of the anti-skid pad (28).

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