An adjustable angle endoscope surgery auxiliary support

Abstract

The application discloses an angle-adjustable endoscopic surgery auxiliary support and belongs to the technical field of medical instrument auxiliary equipment. The support seat is externally fixedly connected with a hole block, the hole block is internally provided with a threaded hole, and the threaded hole is internally threadedly connected with a threaded column. The support adopts a bolt locking type clamping structure, can be stably and adaptively fitted to various operating beds, has excellent fixing effect, and has no displacement and loosening during operation. The threaded lifting structure and the multiple damping locking structures are matched, the position can be accurately locked after adjustment, the problems of traditional handheld endoscope shaking and blurred vision are completely solved, the stability of the operation field is greatly improved. Meanwhile, the hands of doctors are liberated, the doctors can focus on fine operations such as hemostasis and lesion resection, the operation efficiency is effectively improved, the operation time is reduced, the operation complications caused by unstable vision are reduced, and the operation safety is obviously improved.

Description

Technical Field

[0001] This invention relates to medical device auxiliary equipment technology, and more particularly to an adjustable-angle endoscopic nasal surgery auxiliary support. Background Technology

[0002] Endoscopic sinus surgery is a core minimally invasive procedure for treating nasal cavity, sinus, and skull base lesions, widely used due to its advantages of minimal trauma and rapid postoperative recovery. However, significant technical challenges remain in current clinical procedures. Traditional surgical methods often rely on the surgeon holding the nasal endoscope with one hand while performing hemostasis, suction, and instrument manipulation with the other. Prolonged hand-holding of the equipment can lead to hand fatigue and tremors, directly causing endoscopic lens shake and blurred surgical field, significantly impacting surgical precision. This is especially problematic in complex skull base and delicate sinus surgeries, easily leading to operational errors, wound damage, and incomplete hemostasis, greatly increasing surgical safety risks. Furthermore, existing nasal endoscope auxiliary supports have simple designs and limited adjustment freedom, only allowing for simple height or unidirectional angle adjustments, failing to meet the demands of multi-angle and multi-depth precision surgeries of the nasal cavity. Most supports also exhibit poor locking stability after adjustment, easily shifting or loosening during surgery, making it difficult to maintain a consistently clear surgical field. Furthermore, traditional stents lack a flexible, shape-fixing structure, have insufficient flexibility in adjusting the lens posture, cannot conform to the complex nasal anatomy to adapt the field of view, and have poor adaptability in fixation methods, making it difficult to stably clamp different sizes of operating tables, resulting in poor versatility and practicality. In summary, there is currently a lack of a multi-dimensional adjustable, stable, and highly adaptable auxiliary stent for endoscopic nasal surgery, which cannot meet the clinical operational needs of minimally invasive endoscopic nasal surgery for precision, stability, and efficiency. Therefore, the development of this device has significant clinical application value. Summary of the Invention

[0003] Purpose of the Invention: The purpose of this invention is to solve the problems of easy shaking and poor stability in traditional manual handheld nasal endoscope operation. By setting up a lockable bedside clamping and fixing structure and a threaded lifting and adjusting structure, the overall stability and precise height adjustment of the support are achieved. Another purpose of this invention is to overcome the technical defects of existing nasal endoscope supports, such as limited adjustment dimensions, poor flexibility, and insufficient adaptability. By designing a multi-degree-of-freedom angle adjustment structure, a damped telescopic structure, and a shape memory metal flexible shaping structure, the height, horizontal, vertical, three-dimensional angle, and operating depth of the endoscope lens can be precisely adjusted.

[0004] Technical solution: An adjustable-angle endoscopic nasal surgery support includes a support base. A perforated block is fixedly connected to the outer wall of the support base. A threaded hole is opened inside the perforated block. A threaded post is threadedly connected inside the threaded hole. A limiting plate is fixedly connected to the bottom end of the threaded post. An adjusting frame is rotatably connected to the upper surface of the threaded post. A rotating ring is fixedly connected to the upper side of the outer wall of the threaded post. The axis of the threaded post coincides with the axis of the threaded hole of the perforated block. The outer diameter of the limiting plate is larger than the inner diameter of the threaded hole, which is used to restrict the threaded post from dislodging.

[0005] Furthermore, the adjustment frame includes a perforated seat, a short column is rotatably connected inside the perforated seat, a fixing block is fixedly connected to the opposite ends of the two short columns, a support column is fixedly connected to the outer wall of the fixing block, a top block is fixedly connected to the end of the support column, and a perforated support seat is rotatably connected to the outer wall of the top block.

[0006] A rotation damping layer is provided between the short column and the perforated seat, the fixing block is located in the middle between the two short columns, and the axis of the support column is perpendicular to the axis of the short column.

[0007] Furthermore, the end of the perforated support is fixedly connected to a telescopic cavity, a slide rod is slidably connected inside the telescopic cavity, an anti-slip damping layer is provided between the slide rod and the telescopic cavity, the front end of the slide rod is rotatably connected to a perforated top seat, a rotatable block is rotatably connected inside the perforated top seat, a memory metal wire is fixedly connected to the end of the rotatable block, and a lens is fixedly connected to the end of the memory metal wire.

[0008] The sliding direction of the slide rod is parallel to the axial direction of the telescopic cavity, the rotation axis of the perforated top seat is perpendicular to the sliding direction of the slide rod, and the rotation axis of the rotatable block is perpendicular to the rotation axis of the perforated top seat.

[0009] Furthermore, the outer side wall of the support base is symmetrically fixedly connected with locking screw hole blocks, the outer side wall of the support base is provided with fixing blocks, and the outer side wall of the fixing blocks is symmetrically fixedly connected with perforated plates. A locking bolt is threadedly connected between adjacent perforated plates and locking screw hole blocks. There are two locking screw hole blocks and two perforated plates, which are arranged in a one-to-one correspondence. The locking bolts pass through the through holes of the perforated plates and are screwed into the screw holes of the locking screw hole blocks to lock and fix the fixing blocks to the support base.

[0010] Furthermore, the perforated block is located on the outer side of the top of the support base, and the threaded hole is a vertical through hole. The upper end of the threaded post is higher than the upper surface of the perforated block, and the rotating ring is located above the perforated block.

[0011] Furthermore, the upper surface of the limiting disc is attached to the lower surface of the perforated block, and the diameter of the limiting disc is smaller than the width of the support base. The lower end of the threaded column extends into the central blind hole of the limiting disc for fixed connection.

[0012] Furthermore, the outer wall of the fixing block is welded and fixed to the bottom end of the support column, and the rotational connection between the top block and the perforated support seat is achieved through a through-hole rotating shaft, and the axis of the rotating shaft is parallel to the axis of the short column.

[0013] Furthermore, the telescopic cavity is a cylindrical hollow tube, and the outer diameter of the slide rod and the inner diameter of the telescopic cavity form a filling gap for the anti-slip damping layer. The shape memory metal wire is a bendable and shape-adjustable nickel-titanium alloy wire, and the length of the shape memory metal wire is not less than the length of the slide rod.

[0014] Furthermore, the inner side of the fixing block is arranged opposite to the inner side of the support base, forming a clamping slot for holding the edge of the operating table. When the locking bolt is tightened, the perforated plate moves toward the locking screw hole block, causing the fixing block and the support base to move closer to each other.

[0015] Beneficial Effects: This stent employs a bolt-locking clamping structure, ensuring stable fit to various operating table edges and providing excellent fixation with no displacement or loosening during surgery. Combined with a threaded lifting structure and a multi-damping locking structure, it can be precisely locked in position after adjustment, completely resolving the problems of shakiness and blurred vision associated with traditional handheld endoscopes, significantly improving the stability of the surgical field. Simultaneously, it frees up the surgeon's hands, allowing them to focus on delicate operations such as hemostasis and lesion resection, effectively improving surgical efficiency, reducing surgical time, decreasing surgical complications caused by unstable vision, and significantly enhancing surgical safety.

[0016] This device possesses multi-dimensional and full-range adjustment capabilities. Through a bidirectional vertical rotation structure, a telescopic adjustment structure, and a memory metal flexible shaping structure, it can achieve precise fine-tuning of the lens's three-dimensional angle and operating depth, adapting to complex nasal cavity anatomy and various minimally invasive endoscopic surgical scenarios. The damping structure allows for stepless fine-tuning and locking upon adjustment, balancing operational flexibility and positioning stability. Compared to traditional stents, it offers stronger adaptability and higher adjustment precision, effectively broadening the device's applicability and meeting the diverse and precise surgical needs of clinical practice, making it highly valuable for clinical application. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the locking structure of the present invention.

[0019] In the diagram: 1. Support base; 3. Block with holes; 4. Threaded hole; 5. Threaded column; 6. Limiting plate; 7. Adjusting frame; 8. Rotating ring; 9. Locking screw hole block; 10. Fixing block; 11. Perforated plate; 12. Locking bolt; 701. Perforated seat; 702. Short column; 703. Fixing block; 704. Support column; 705. Top block; 709. Support base with holes; 710. Telescopic cavity; 711. Slide rod; 712. Top seat with holes; 713. Rotatable block; 714. Memory metal wire; 715. Lens. Detailed Implementation

[0020] To make the technical solution of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Example

[0022] like Figure 1-2As shown, an adjustable-angle endoscopic nasal surgery support is provided. The adjustable-angle endoscopic nasal surgery support includes a support base 1. A perforated block 3 is fixedly connected to the outer wall of the support base 1. A threaded hole 4 is formed inside the perforated block 3. A threaded post 5 is threadedly connected inside the threaded hole 4. A limit plate 6 is fixedly connected to the bottom end of the threaded post 5. An adjustment frame 7 is rotatably connected to the upper surface of the threaded post 5. A rotating ring 8 is fixedly connected to the upper part of the outer wall of the threaded post 5. The axis of the threaded post 5 is perpendicular to the perforated block. The threads of hole 4 of 3 coincide with the axis. The outer diameter of the limiting plate 6 is larger than the inner diameter of the threaded hole 4, which is used to limit the threaded column 5 from coming out. The adjusting frame 7 includes a seat with holes 701. Short columns 702 are rotatably connected inside the seat with holes 701. A fixing block 703 is fixedly connected to the opposite ends of the two short columns 702. A support column 704 is fixedly connected to the outer wall of the fixing block 703. A top block 705 is fixedly connected to the end of the support column 704. A support seat with holes 709 is rotatably connected to the outer wall of the top block 705.A rotation damping layer is provided between the short column 702 and the perforated seat 701. The fixing block 703 is located in the center between the two short columns 702, and the axis of the support column 704 is perpendicular to the axis of the short column 702. The end of the perforated support seat 709 is fixedly connected to a telescopic cavity 710. A slide rod 711 is slidably connected inside the telescopic cavity 710. An anti-slip damping layer is provided between the slide rod 711 and the telescopic cavity 710. The front end of the slide rod 711 is rotatably connected to a perforated top seat 712. A rotatable block 713 is rotatably connected inside the perforated top seat 712. The end of the rotatable block 713 is fixedly connected to a memory metal wire 714. The end of the memory metal wire 714... A lens 715 is fixedly connected. The sliding direction of the slide rod 711 is parallel to the axis of the telescopic cavity 710. The rotation axis of the perforated top seat 712 is perpendicular to the sliding direction of the slide rod 711. The rotation axis of the rotatable block 713 is perpendicular to the rotation axis of the perforated top seat 712. Locking screw hole blocks 9 are symmetrically fixedly connected to the outer wall of the support base 1. A fixing block 10 is provided on the outer wall of the support base 1. A perforated plate 11 is symmetrically fixedly connected to the outer wall of the fixing block 10. A locking bolt 12 is threadedly connected between adjacent perforated plates 11 and locking screw hole blocks 9. There are two locking screw hole blocks 9 and two perforated plates 11, and they are arranged in a one-to-one correspondence. 12 passes through the through holes of the perforated plate 11 and is screwed into the screw hole of the locking screw block 9 to lock the fixing block 10 to the support base 1. The perforated block 3 is located on the top outer wall of the support base 1, and the threaded hole 4 is a vertical through hole. The upper end of the threaded column 5 is higher than the upper surface of the perforated block 3. The rotating ring 8 is located above the perforated block 3. The upper surface of the limiting plate 6 is attached to the lower surface of the perforated block 3, and the diameter of the limiting plate 6 is smaller than the width of the support base 1. The lower end of the threaded column 5 extends into the central blind hole of the limiting plate 6 for fixed connection. The outer wall of the fixing block 703 is welded to the bottom end of the support column 704 for fixed connection. The top block 705 is connected to the perforated support base 709. The rotational connection is achieved through a through-rotating shaft, and the axis of the rotating shaft is parallel to the axis of the short column 702. The telescopic cavity 710 is a cylindrical hollow tube. The outer diameter of the slide rod 711 and the inner diameter of the telescopic cavity 710 form a filling gap for the anti-slip damping layer. The memory metal wire 714 is a bendable and shape-adjustable nickel-titanium alloy wire, and the length of the memory metal wire 714 is not less than the length of the slide rod 711. The inner side of the fixing block 10 is set opposite to the inner side of the support seat 1, and a bayonet for clamping the edge of the operating table is formed between them. When the locking bolt 12 is tightened, the perforated plate 11 moves towards the locking screw hole block 9, driving the fixing block 10 and the support seat 1 to move closer to each other.

[0023] Before the surgery, medical staff first assembled and positioned the stent to provide a stable foundation for the operation. The support base 1 was placed against the edge of the operating table, with its inner surface facing the fixing block 10, forming a clamping structure. Then, the perforated plate 11 on the outside of the fixing block 10 was aligned with the locking screw hole block 9 on the outside of the support base 1. Locking bolts 12 were passed through the through holes of the perforated plate 11 and screwed into the screw holes of the locking screw hole block 9. The bolts 12 were gradually tightened, causing the perforated plate 11 to move closer to the locking screw hole block 9, thus clamping the fixing block 10 and the support base 1 against the edge of the operating table, completing the overall locking and fixing of the stent and preventing displacement during the operation. After fixing, the rotating ring 8 above the perforated block 3 was rotated, causing the threaded column 5 to move vertically up and down within the threaded hole 4. The limiting plate 6 was used to prevent the threaded column 5 from dislodging, precisely controlling the overall height of the upper adjusting frame 7. Finally, check the stability of each connection structure to confirm that the damping layer and connecting shaft are not stuck or loose, and complete the preoperative stent installation and adjustment to ensure the stability of subsequent endoscopic positioning.

[0024] After preoperative adjustments, medical staff perform precise intraoperative angle adjustments and endoscopic-assisted surgical procedures. First, utilizing the multi-degree-of-freedom structure of the adjustment frame 7, the short column 702 inside the perforated seat 701 is rotated. Angle locking is achieved through the rotational damping layer between the short column 702 and the perforated seat 701, driving the fixing block 703 and support column 704 to complete horizontal angle adjustment. Then, through the rotating shaft structure between the top block 705 and the perforated support seat 709, fine-tuning of the vertical angle is achieved. The axis of the rotating shaft is parallel to the axis of the short column 702, ensuring precise and accurate adjustment. Next, the sliding rod 711 inside the telescopic cavity 710 is pulled, using the anti-slip damping layer between them to fix the telescopic length, adapting to different surgical depth requirements. After completing the basic position adjustment, the three-dimensional angle fine-tuning of the lens 715 is achieved through the vertical bidirectional rotation structure of the perforated top seat 712 and the rotatable block 713. Combined with the bendable and shape-adjustable nickel-titanium alloy shape memory metal wire 714, the lens posture can be flexibly shaped and fixed. Ultimately, the 715 lens is precisely positioned and locked in the surgical field of view, freeing up the doctor's hand. The doctor can simultaneously perform suction, hemostasis, and delicate instrument operations. At the same time, the damping micro-adjustment mechanism simulates hand-held flexibility, eliminating human-induced shaking and continuously providing a stable and clear surgical field for sinus and skull base surgeries, ensuring efficient and safe progress of the surgery throughout.

[0025] The above embodiments merely illustrate several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. An adjustable-angle endoscopic nasal surgical support, comprising a support base (1), characterized in that: The outer wall of the support base (1) is fixedly connected to a perforated block (3). The perforated block (3) has a threaded hole (4) inside. The threaded hole (4) is threadedly connected to a threaded column (5). The bottom end of the threaded column (5) is fixedly connected to a limiting plate (6). The upper surface of the threaded column (5) is rotatably connected to an adjusting bracket (7). A rotating ring (8) is fixedly connected above the outer wall of the threaded column (5). The axis of the threaded column (5) coincides with the axis of the threaded hole (4) of the perforated block (3). The outer diameter of the limiting plate (6) is larger than the inner diameter of the threaded hole (4) to restrict the threaded column (5) from coming out.

2. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The adjusting frame (7) includes a perforated seat (701), a short column (702) is rotatably connected inside the perforated seat (701), a fixing block (703) is fixedly connected to the opposite ends of the two short columns (702), a support column (704) is fixedly connected to the outer wall of the fixing block (703), a top block (705) is fixedly connected to the end of the support column (704), and a perforated support seat (709) is rotatably connected to the outer wall of the top block (705). A rotation damping layer is provided between the short column (702) and the perforated seat (701), the fixing block (703) is located in the middle between the two short columns (702), and the axis of the support column (704) is perpendicular to the axis of the short column (702).

3. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The end of the perforated support base (709) is fixedly connected to a telescopic cavity (710), and a slide rod (711) is slidably connected inside the telescopic cavity (710). An anti-slip damping layer is provided between the slide rod (711) and the telescopic cavity (710). The front end of the slide rod (711) is rotatably connected to a perforated top seat (712). The interior of the perforated top seat (712) is rotatably connected to a rotatable block (713). The end of the rotatable block (713) is fixedly connected to a memory metal wire (714), and the end of the memory metal wire (714) is fixedly connected to a lens (715). The sliding direction of the slide rod (711) is parallel to the axial direction of the telescopic cavity (710), the rotation axis of the perforated top seat (712) is perpendicular to the sliding direction of the slide rod (711), and the rotation axis of the rotatable block (713) is perpendicular to the rotation axis of the perforated top seat (712).

4. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The outer side wall of the support base (1) is symmetrically fixedly connected with locking screw hole blocks (9), and the outer side wall of the support base (1) is provided with fixing blocks (10). The outer side wall of the fixing blocks (10) is symmetrically fixedly connected with perforated plates (11). A locking bolt (12) is threaded between the adjacent perforated plates (11) and the locking screw hole blocks (9). The number of locking screw hole blocks (9) and perforated plates (11) are two and they are arranged in a one-to-one correspondence. The locking bolt (12) passes through the through hole of the perforated plate (11) and is screwed into the screw hole of the locking screw hole block (9) to lock the fixing blocks (10) and the support base (1).

5. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The perforated block (3) is located on the outer side of the top of the support base (1), and the threaded hole (4) is a vertical through hole. The upper end of the threaded column (5) is higher than the upper surface of the perforated block (3), and the rotating ring (8) is located above the perforated block (3).

6. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The upper surface of the limiting disk (6) is attached to the lower surface of the perforated block (3), and the diameter of the limiting disk (6) is smaller than the width of the support base (1). The lower end of the threaded column (5) extends into the central blind hole of the limiting disk (6) for fixed connection.

7. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The outer wall of the fixing block (703) is welded and fixed to the bottom end of the support column (704). The rotational connection between the top block (705) and the perforated support seat (709) is achieved through a through-hole rotating shaft, and the axis of the rotating shaft is parallel to the axis of the short column (702).

8. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The telescopic cavity (710) is a cylindrical hollow tube, and the outer diameter of the slide rod (711) and the inner diameter of the telescopic cavity (710) form a filling gap for the anti-slip damping layer. The memory metal wire (714) is a bendable and shapeable nickel-titanium alloy wire, and the length of the memory metal wire (714) is not less than the length of the slide rod (711).

9. The adjustable-angle nasal endoscopic surgical support according to claim 1, characterized in that: The inner side of the fixing block (10) is disposed opposite to the inner side of the support base (1), forming a clamp for holding the edge of the operating table. When the locking bolt (12) is tightened, the perforated plate (11) moves toward the locking screw hole block (9), driving the fixing block (10) and the support base (1) to move closer to each other.

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