Head fixing support for cerebrovascular disease interventional operation

Abstract

The invention provides a head fixing support for cerebrovascular disease interventional operation. The head fixing support for the cerebrovascular disease interventional operation comprises a circular ring fixing frame, the inner surface of the circular ring fixing frame is in threaded connection with a first threaded rod, the front end of the first threaded rod is fixedly connected with a first hexagonal block, and the rear end of the first threaded rod is fixedly connected with a first abutting block; and the upper surface of the circular ring fixing frame is fixedly connected with a semi-circular ring fixing frame, the inner surface of the semi-circular ring fixing frame is in threaded connection with a second threaded rod, and the upper end of the second threaded rod is fixedly connected with a second hexagonal block. Through rotation of a rotating rod, a first connecting rod and a second connecting rod can be driven under the action of a connecting plate to respectively pull a first moving block and a second moving block on the two sides to slide along a guide rail, so that arc-shaped clamping plates on the two sides are driven to move in opposite directions, and the heads of patients with different head shapes are fixed; the applicability is improved.

Description

Technical Field

[0001] The invention relates to the technical field of surgical head fixing brackets, in particular to a head fixing bracket for cerebrovascular disease interventional surgery. Background Art

[0002] Interventional surgery for cerebrovascular disease is a minimally invasive surgical method that uses catheter technology to diagnose and treat cerebral blood vessels. The surgery requires the patient to keep the head stable during the operation to ensure the accuracy and safety of the operation, so a head fixation brace will be used.

[0003] However, the traditional head fixation brackets for interventional surgery for cerebrovascular diseases still have certain defects. For example, the traditional fixation brackets have poor adaptability to patients with different head sizes and cannot provide personalized fixation solutions. Secondly, the fixation effect is not ideal, which may cause the patient's head to move during the operation, affecting the accuracy of the operation. In addition, hard materials are usually used to fix the patient's head for a long time, which may cause the patient to feel discomfort or pain, affecting the surgical experience. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present invention provides a head fixing bracket for cerebrovascular disease interventional surgery, which solves the problems of poor adaptability and unstable fixation of the prior head fixing bracket.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A head fixing bracket for cerebrovascular disease interventional surgery, comprising:

[0008] The cam is connected with the first engaging groove and the first engaging groove is connected with the second engaging groove, and the cam is connected with the first engaging groove and the second engaging groove is connected with the first engaging groove. The inner surface of the connecting rod is rotatably connected to the first connecting column, the lower end of the first connecting column is fixedly connected to the connecting plate, the upper surface of the connecting plate is fixedly connected to the second connecting column, the outer surface of the second connecting column is rotatably connected to the second connecting rod, the inner surface of the second connecting rod is rotatably connected to the second fixed column, the two ends of the second fixed column are fixedly connected to the second moving block, the front ends of the first moving block and the second moving block are fixedly connected to the arc clamping plate, the inner surface of the arc clamping plate is fixedly connected to the airbag, the upper surface of the airbag is provided with an air pipe, and the end of the air pipe away from the airbag is provided with a micro air pump, the inner surface of the connecting plate is fixedly connected to the rotating rod, the outer surface of the rotating rod is fixedly connected to the turntable, the inner surface of the turntable is threadedly connected to the third threaded rod, the upper end of the third threaded rod is fixedly connected to the third hexagonal block, and the upper surface of the fixed box is provided with a limiting hole.

[0009] The left surface of the fixed box is fixedly connected with a first flip column, the outer surface of the first flip column is fixedly connected with a fixed block, the outer surface of the first flip column is rotatably connected with a fixed seat, the right surface of the fixed box is fixedly connected with a second flip column, the outer surface of the second flip column is fixedly connected with a gear, the right surface of the fixed seat is provided with an adjusting groove, the inner surface of the adjusting groove is fixedly connected with a sliding rod, the outer surface of the sliding rod is provided with a spring, the outer surface of the sliding rod is slidably connected with a sliding block, the upper surface of the sliding block is fixedly connected with a toothed plate, and the lower surface of the sliding block is fixedly connected with a handle.

[0010] Preferably, a fixing buckle is fixedly connected to the side surface of the fixing seat, and the fixing buckle is two in number and distributed on the left and right, so as to facilitate installation of the bracket on the operating table.

[0011] Preferably, a limiting groove is provided on the outer surface of the annular fixing frame, the inner surface of the limiting groove is matched with the first moving block, and the inner surface of the limiting groove is matched with the second moving block, for limiting the movement of the two.

[0012] Preferably, the guide rails are two in number and are distributed front to back, and the outer surface of the guide rail is slidably connected to the second moving block for guiding the first moving block and the second moving block when they move.

[0013] Preferably, the outer surface of the annular fixing frame is fixedly connected to a micro air pump, and the micro air pump is electrically connected to an external power source for performing an inflating operation on the airbag.

[0014] Preferably, the outer surface of the rotating rod is rotatably connected to the fixed box, the inner surface of the limiting hole is adapted to the third threaded rod, and the limiting holes are multiple in number and distributed in a circular array, so as to facilitate limiting the position of the arc-shaped clamping plate after movement.

[0015] Preferably, the outer surface of the second flip column is rotatably connected to the fixing seat, and the gear is meshed with the toothed plate to limit the tilt angle of the bracket.

[0016] Preferably, the lower end of the spring is fixedly connected to the fixing seat, the end of the spring away from the fixing seat is fixedly connected to the slider, and the inner surface of the adjustment groove is adapted to the slider.

[0017] (III) Beneficial effects

[0018] The present invention provides a head fixing bracket for cerebrovascular disease interventional surgery. It has the following beneficial effects:

[0019] 1. The head fixing bracket for interventional surgery for cerebrovascular diseases can drive the first connecting rod and the second connecting rod to pull the first moving block and the second moving block on both sides to slide along the guide rail through the rotation of the rotating rod under the action of the connecting plate, thereby driving the arc-shaped clamping plates on both sides to move toward each other, thereby achieving head fixation for patients with different head sizes and improving applicability.

[0020] 2. The head fixation bracket for interventional surgery for cerebrovascular disease can provide a more comfortable fixation experience through the setting of airbags, trachea, and micro air pumps, reducing the patient's discomfort during the operation, especially for patients who need to maintain a fixed posture for a long time.

[0021] 3. The head fixing bracket for interventional surgery for cerebrovascular disease can adjust the patient's head tilt angle by rotating the first flip column and the second flip column, and can limit the bracket's tilt angle by the meshing action of the tooth plate on the gear, thereby ensuring that the patient's head remains in the best position during the operation and improving stability during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0024] Figure 3 for Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0025] Figure 4 It is a partial structural cross-sectional view of the present invention.

[0026] Among them, 1. circular ring fixing frame; 2. first threaded rod; 3. first hexagonal block; 4. first contact block; 5. semicircular ring fixing frame; 6. second threaded rod; 7. second hexagonal block; 8. second contact block; 9. fixing box; 10. adjustment cavity; 11. guide rail; 12. first moving block; 13. opening slot; 14. first fixing column; 15. first connecting rod; 16. first connecting column; 17. connecting plate; 18. second connecting column; 19. second connecting rod; 20. second fixing column; 21. Second moving block; 22. Arc clamping plate; 23. Air bag; 24. Air tube; 25. Micro air pump; 26. Rotating rod; 27. Turntable; 28. Third threaded rod; 29. ​​Third hexagonal block; 30. Limiting hole; 31. First flip column; 32. Fixed block; 33. Fixed seat; 34. Second flip column; 35. Gear; 36. Adjusting slot; 37. Sliding rod; 38. Spring; 39. Sliding block; 40. Tooth plate; 41. Handle; 42. Fixing buckle; 43. Limiting slot. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] like Figure 1-4As shown, an embodiment of the present invention provides a head fixing bracket for interventional surgery for cerebrovascular diseases, comprising: a circular ring fixing frame 1, the inner surface of the circular ring fixing frame 1 is threadedly connected with a first threaded rod 2, the front end of the first threaded rod 2 is fixedly connected with a first hexagonal block 3, the rear end of the first threaded rod 2 is fixedly connected with a first abutment block 4, the upper surface of the circular ring fixing frame 1 is fixedly connected with a semi-circular ring fixing frame 5, the inner surface of the semi-circular ring fixing frame 5 is threadedly connected with a second threaded rod 6, the upper end of the second threaded rod 6 is fixedly connected with a second hexagonal block 7, the lower end of the second threaded rod 6 is fixedly connected with a second abutment block 8, the outer surface of the circular ring fixing frame 1 is fixedly connected with a fixing box 9, the fixing box 9 An adjusting cavity 10 is provided inside, a guide rail 11 is provided on the inner surface of the adjusting cavity 10, a first moving block 12 is slidably connected to the outer surface of the guide rail 11, an opening groove 13 is provided on the side surface of the first moving block 12, a first fixing column 14 is fixedly connected to the inner surface of the opening groove 13, a first connecting rod 15 is rotatably connected to the outer surface of the first fixing column 14, a first connecting rod 15 is rotatably connected to the inner surface of the first connecting rod 15, a first connecting column 16 is rotatably connected to the lower end of the first connecting column 16, a connecting plate 17 is fixedly connected to the upper surface of the connecting plate 17, a second connecting column 18 is fixedly connected to the outer surface of the second connecting column 18, a second connecting rod 19 is rotatably connected to the second connecting rod 1 The inner surface of the connecting plate 17 is rotatably connected with a second fixed column 20, and the two ends of the second fixed column 20 are fixedly connected with a second moving block 21. The front ends of the first moving block 12 and the second moving block 21 are fixedly connected with an arc-shaped clamping plate 22. The inner surface of the arc-shaped clamping plate 22 is fixedly connected with an air bag 23. The upper surface of the air bag 23 is provided with an air pipe 24. The end of the air pipe 24 away from the air bag 23 is provided with a micro air pump 25. The inner surface of the connecting plate 17 is fixedly connected with a rotating rod 26. The outer surface of the rotating rod 26 is fixedly connected with a rotating disk 27. The inner surface of the rotating disk 27 is threadedly connected with a third threaded rod 28. The upper end of the third threaded rod 28 is fixedly connected with a third hexagonal block 2 9. A limiting hole 30 is provided on the upper surface of the fixing box 9, a limiting groove 43 is provided on the outer surface of the circular fixing frame 1, the inner surface of the limiting groove 43 is adapted to the first moving block 12, the inner surface of the limiting groove 43 is adapted to the second moving block 21, the number of guide rails 11 is two and they are distributed front and back, the outer surface of the guide rail 11 is slidingly connected to the second moving block 21, the outer surface of the circular fixing frame 1 is fixedly connected to the micro air pump 25, the micro air pump 25 is electrically connected to an external power supply, the outer surface of the rotating rod 26 is rotatably connected to the fixing box 9, the inner surface of the limiting hole 30 is adapted to the third threaded rod 28, the number of the limiting holes 30 is multiple and they are distributed in a ring array.

[0029] The left surface of the fixed box 9 is fixedly connected with a first flip column 31, the outer surface of the first flip column 31 is fixedly connected with a fixed block 32, the outer surface of the first flip column 31 is rotatably connected with a fixed seat 33, the right surface of the fixed box 9 is fixedly connected with a second flip column 34, the outer surface of the second flip column 34 is fixedly connected with a gear 35, the right surface of the fixed seat 33 is provided with an adjustment groove 36, the inner surface of the adjustment groove 36 is fixedly connected with a slide rod 37, the outer surface of the slide rod 37 is provided with a spring 38, and the outer surface of the slide rod 37 is slidably connected with Slider 39, the upper surface of the slider 39 is fixedly connected with a tooth plate 40, the lower surface of the slider 39 is fixedly connected with a handle 41, the side surface of the fixed seat 33 is fixedly connected with a fixing buckle 42, the number of the fixing buckles 42 is two and they are distributed on the left and right, the outer surface of the second flip column 34 is rotatably connected to the fixed seat 33, the gear 35 is meshed with the tooth plate 40, the lower end of the spring 38 is fixedly connected to the fixed seat 33, the end of the spring 38 away from the fixed seat 33 is fixedly connected to the slider 39, and the inner surface of the adjustment slot 36 is adapted to the slider 39.

[0030] Working principle: First, the bracket is fixed to the operating table as a whole through the fixing buckle 42, and then, according to the needs of the operation, the handle 41 is pulled downward to drive the slider 39 to drive the toothed plate 40 to move downward along the slide rod 37, and the spring 38 is compressed to release the restriction on the gear 35, and then the fixing block 32 is rotated to drive the first flip column 31 and the second flip column 34 to drive the fixing box 9 to adjust the angle as a whole. When the bracket is tilted to the angle required for the operation, the handle 41 is released, and under the action of the restoring force of the spring 38, the toothed plate 40 moves upward to achieve the engagement with the gear 35, thereby ensuring the stability of the bracket when tilted. Then, the patient's head is placed in the annular fixing frame 1, and by rotating the first hexagonal block 3 and the second hexagonal block 7, the first threaded rod 2 and the second threaded rod 6 are used to drive the first contact block 4 and the second contact block 8 to move, so as to achieve the preliminary limit of the patient's head, and then according to the size of the patient's head, the third hexagonal block is pushed. 29 drives the turntable 27, the rotating rod 26, and the connecting plate 17 to rotate under the action of the third threaded rod 28, and the first connecting rod 15 and the second connecting rod 19 drive the first moving block 12 and the second moving block 21 on both sides to slide along the guide rail 11 under the action of the first connecting column 16, the first fixed column 14, the second connecting column 18, and the second fixed column 20, thereby driving the arc-shaped clamping plates 22 on both sides to move left and right, so as to fix the head of patients with different head sizes, and at the same time start the micro air pump 25, and use the air tube 24 to inflate the inside of the airbag 23 to reduce the discomfort when clamping the patient's head. When the patient's head is fixed, the third hexagonal block 29 drives the third threaded rod 28 to rotate, so that the third threaded rod 28 can be moved down until it is inserted into the limiting hole 30 above the fixing box 9, thereby limiting the clamping position of the arc-shaped clamping plate 22, and further ensuring the stability of the patient's head during the operation.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A head fixation bracket for cerebrovascular disease interventional surgery, characterized in that: include: A circular ring fixing frame (1), wherein the inner surface of the circular ring fixing frame (1) is threadedly connected to a first threaded rod (2), the front end of the first threaded rod (2) is fixedly connected to a first hexagonal block (3), the rear end of the first threaded rod (2) is fixedly connected to a first contact block (4), the upper surface of the circular ring fixing frame (1) is fixedly connected to a semicircular ring fixing frame (5), the inner surface of the semicircular ring fixing frame (5) is threadedly connected to a second threaded rod (6), the upper end of the second threaded rod (6) is fixedly connected to a second hexagonal block (7), and the lower end of the second threaded rod (6) is fixedly connected to a second contact block (8), The outer surface of the annular fixing frame (1) is fixedly connected to a fixing box (9), an adjusting cavity (10) is arranged inside the fixing box (9), a guide rail (11) is arranged on the inner surface of the adjusting cavity (10), the outer surface of the guide rail (11) is slidably connected to a first moving block (12), the side surface of the first moving block (12) is provided with an opening groove (13), the inner surface of the opening groove (13) is fixedly connected to a first fixing column (14), the outer surface of the first fixing column (14) is rotatably connected to a first connecting rod (15), and the inner surface of the first connecting rod (15) is rotatably connected to A first connecting column (16) is provided, the lower end of the first connecting column (16) is fixedly connected to a connecting plate (17), the upper surface of the connecting plate (17) is fixedly connected to a second connecting column (18), the outer surface of the second connecting column (18) is rotatably connected to a second connecting rod (19), the inner surface of the second connecting rod (19) is rotatably connected to a second fixed column (20), both ends of the second fixed column (20) are fixedly connected to a second moving block (21), the front ends of the first moving block (12) and the second moving block (21) are fixedly connected to an arc-shaped clamping plate (22), the arc-shaped clamping plate The inner surface of the connecting plate (22) is fixedly connected to an air bag (23), the upper surface of the air bag (23) is provided with an air tube (24), and the end of the air tube (24) away from the air bag (23) is provided with a micro air pump (25), the inner surface of the connecting plate (17) is fixedly connected to a rotating rod (26), the outer surface of the rotating rod (26) is fixedly connected to a rotating disk (27), the inner surface of the rotating disk (27) is threadedly connected to a third threaded rod (28), the upper end of the third threaded rod (28) is fixedly connected to a third hexagonal block (29), and the upper surface of the fixing box (9) is provided with a limiting hole (30); The left surface of the fixed box (9) is fixedly connected with a first flip column (31), the outer surface of the first flip column (31) is fixedly connected with a fixed block (32), the outer surface of the first flip column (31) is rotatably connected with a fixed seat (33), the right surface of the fixed box (9) is fixedly connected with a second flip column (34), the outer surface of the second flip column (34) is fixedly connected with a gear (35), the right surface of the fixed seat (33) is provided with an adjustment groove (36), the inner surface of the adjustment groove (36) is fixedly connected with a slide rod (37), the outer surface of the slide rod (37) is provided with a spring (38), the outer surface of the slide rod (37) is slidably connected with a slider (39), the upper surface of the slider (39) is fixedly connected with a toothed plate (40), and the lower surface of the slider (39) is fixedly connected with a handle (41).

2. The head fixing bracket for cerebrovascular disease interventional surgery according to claim 1, characterized in that: A fixing buckle (42) is fixedly connected to the side surface of the fixing seat (33), and the number of the fixing buckles (42) is two and they are distributed on the left and right.

3. The head fixing bracket for cerebrovascular disease interventional surgery according to claim 1, characterized in that: The outer surface of the annular fixing frame (1) is provided with a limiting groove (43), the inner surface of the limiting groove (43) is matched with the first moving block (12), and the inner surface of the limiting groove (43) is matched with the second moving block (21).

4. The head fixing bracket for cerebrovascular disease interventional surgery according to claim 1, characterized in that: The number of the guide rails (11) is two and they are distributed front to back, and the outer surface of the guide rail (11) is slidably connected to the second moving block (21).

5. The head fixing bracket for cerebrovascular disease interventional surgery according to claim 1, characterized in that: The outer surface of the annular fixing frame (1) is fixedly connected to a micro air pump (25), and the micro air pump (25) is electrically connected to an external power source.

6. The head fixing bracket for cerebrovascular disease interventional surgery according to claim 1, characterized in that: The outer surface of the rotating rod (26) is rotatably connected to the fixing box (9), the inner surface of the limiting hole (30) is adapted to the third threaded rod (28), and the limiting holes (30) are multiple in number and distributed in a ring array.

7. The head fixing bracket for cerebrovascular disease interventional surgery according to claim 1, characterized in that: The outer surface of the second turning column (34) is rotatably connected to the fixing seat (33), and the gear (35) is meshed with the toothed plate (40).

8. The head fixing bracket for cerebrovascular disease interventional surgery according to claim 1, characterized in that: The lower end of the spring (38) is fixedly connected to the fixing seat (33), the end of the spring (38) away from the fixing seat (33) is fixedly connected to the slider (39), and the inner surface of the adjustment groove (36) is adapted to the slider (39).

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