OCT catheter calibrating and positioning device

Abstract

The utility model discloses an OCT (optical coherence tomography) catheter calibrating and positioning device which comprises a positioning circular ring seat, a circular ring groove is formed in the upper surface of the positioning circular ring seat, a rotating circular ring is arranged in the circular ring groove, and a fixing block is fixedly connected to the upper surface of the rotating circular ring. The fixing blocks are symmetrically arranged on the upper surface of the rotating ring relative to the center of the rotating ring; a polar axis type calibration positioning adjusting mechanism is composed of a positioning circular ring base, a circular ring groove, a rotating circular ring, a fixing block, a U-shaped fixing frame, a lifting guide rail, a horizontal guide rail, a reversible motor, a vertical lead screw, a horizontal lead screw, a lifting sliding block and a horizontal sliding block, calibration positioning operation is more convenient, and the calibration positioning efficiency is improved; when the device is used, the device only needs to be placed at a fixed position, the operation area is located in the positioning circular ring base, the silica gel circular ring pad below the positioning circular ring base has the anti-skid buffering and friction preventing effects, and safe use of the device is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of pipeline calibration and positioning technology, and in particular to an OCT duct calibration and positioning device. Background Technology

[0002] Existing OCT catheter calibration and positioning devices have complex adjustment processes and are inconvenient to operate, which affects the efficiency of calibration and positioning.

[0003] A Chinese patent discloses a "calibration device for OCT catheters" (application number CN201721089078.0), which can effectively calibrate the coherent working distance of OCT catheters to output appropriate OCT imaging images. However, the calibration and positioning operation of this device is inconvenient, resulting in low calibration and positioning efficiency. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide an OCT catheter calibration and positioning device. This device comprises a positioning ring seat, a ring groove, a rotating ring, a fixed block, a U-shaped fixing frame, a lifting guide rail, a horizontal guide rail, a reversible motor, a vertical lead screw, a horizontal lead screw, a lifting slider, and a horizontal slider, forming a polar-axis calibration and positioning adjustment mechanism. This makes calibration and positioning operations more convenient and improves calibration and positioning efficiency. In use, the device simply needs to be placed in a fixed position, with the operating area inside the positioning ring seat. The silicone ring pad below the positioning ring seat provides anti-slip cushioning and anti-friction, which is beneficial for the safe use of the device.

[0005] This utility model also provides an OCT catheter calibration and positioning device, comprising: a positioning ring seat, wherein the upper surface of the positioning ring seat is provided with a ring groove, a rotating ring is disposed in the ring groove, and a fixing block is fixedly connected to the upper surface of the rotating ring, the fixing block being symmetrical about the center of the rotating ring on the upper surface of the rotating ring; a U-shaped fixing frame, the U-shaped fixing frame being fixedly connected to the upper surface of the fixing block, and lifting guide rails being fixedly connected to the left and right inner walls of the U-shaped fixing frame, the lower end of the lifting guide rails being fixedly connected to a first reversible motor, the first reversible motor... A vertical lead screw is fixedly connected to the output end of the reversible motor. A lifting slider is threaded onto the vertical lead screw. A horizontal guide rail is fixedly connected to the lifting slider. A second reversible motor is fixedly connected to one end of the horizontal guide rail. A horizontal lead screw is fixedly connected to the output end of the second reversible motor. A horizontal slider is threaded onto the horizontal lead screw. An optical calibration module is fixedly connected to the lower surface of the horizontal slider. The optical calibration module is fixedly connected to a light guide tube, an OCT tube, and a ring light source. The OCT tube and the ring light source are located inside the light guide tube, and the ring light source is sleeved with the OCT tube.

[0006] According to the OCT catheter calibration and positioning device of this utility model, an annular silicone pad is fixedly connected to the lower surface of the positioning ring seat, and the inner and outer walls of the annular silicone pad are flush with the inner and outer walls of the positioning ring seat. This provides convenient cushioning and protection, avoids tissue damage, and facilitates the safe use of the device.

[0007] According to the OCT catheter calibration and positioning device of this utility model, the rotating ring and the positioning ring seat are located on the same vertical central axis, the upper surface of the rotating ring is flush with the upper surface of the positioning ring seat, and the rotating ring abuts against the inner wall of the ring groove. This makes the structure compact and reasonable.

[0008] According to the OCT catheter calibration and positioning device of this utility model, control handles are fixedly connected to both the left and right sides of the U-shaped fixing frame, and an image registration module is fixedly connected to the upper surface of the U-shaped fixing frame. The side surface of the image registration module is fixedly connected to the upper surface of the rotating ring through an L-shaped fixing rod. A display screen is fixedly connected to the upper end of the image registration module, and the display screen is connected to the image registration module. This facilitates the real-time display of calibration and positioning data.

[0009] According to the OCT catheter calibration and positioning device of this utility model, the upper end of the lifting guide rail is fixedly connected to the upper inner wall of the U-shaped fixing frame, making the structure stable and firm. Vertical grooves are provided on both the left and right inner walls of the lifting guide rail to facilitate the limiting installation of the lifting slider.

[0010] According to the OCT catheter calibration and positioning device of this utility model, the left and right sides of the lifting slider have vertical sliding rods, which slide within vertical grooves. This facilitates the stable lifting and lowering of the lifting slider.

[0011] According to the OCT catheter calibration and positioning device of this utility model, horizontal grooves are provided on the inner walls of both sides of the horizontal guide rail. This facilitates the limiting installation of the horizontal slider.

[0012] According to the OCT catheter calibration and positioning device of this utility model, horizontal sliding rods are fixedly connected to both the left and right sides of the horizontal slider, and the horizontal sliding rods slide within the horizontal sliding grooves. This facilitates the stable movement of the horizontal slider.

[0013] Beneficial effects:

[0014] 1. Compared with the prior art, this OCT catheter calibration and positioning device is composed of a polar axis calibration and positioning adjustment mechanism consisting of a positioning ring seat, a ring groove, a rotating ring, a fixed block, a U-shaped fixing frame, a lifting guide rail, a horizontal guide rail, a reversible motor, a vertical lead screw, a horizontal lead screw, a lifting slider, and a horizontal slider. The calibration and positioning operation is more convenient and the efficiency of calibration and positioning is improved.

[0015] 2. Compared with the existing technology, this OCT catheter calibration and positioning device only requires placing the device in a fixed position so that the operating area is inside the positioning ring seat. The silicone ring pad under the positioning ring seat has the functions of anti-slip buffering and anti-friction, which is conducive to the safe use of the device. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of an OCT catheter calibration and positioning device according to the present invention;

[0018] Figure 2 This is a top view of the OCT catheter calibration and positioning device of this utility model;

[0019] Figure 3 This is a longitudinal three-dimensional cross-sectional view of an OCT catheter calibration and positioning device according to the present invention;

[0020] Figure 4 This is a schematic diagram of the transverse three-dimensional cross-sectional structure of an OCT catheter calibration and positioning device according to the present invention.

[0021] Legend:

[0022] 1. Positioning ring seat; 2. L-shaped fixing rod; 3. Rotating ring; 4. Lifting guide rail; 5. U-shaped fixing frame; 6. Display screen; 7. Image registration module; 8. Control handle; 9. Horizontal guide rail; 10. Light guide tube; 11. OCT tube; 12. Optical calibration module; 13. Annular silicone pad; 14. Annular groove; 15. Fixing block; 16. First reversible motor; 17. Vertical lead screw; 18. Lifting slider; 19. Vertical slide bar; 20. Vertical slide groove; 21. Second reversible motor; 22. Annular light source; 23. Horizontal lead screw; 24. Horizontal slider; 25. Horizontal slide groove; 26. Horizontal slide bar. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1 , Figure 2 and Figure 3This utility model provides an OCT catheter calibration and positioning device, which includes a positioning ring seat 1. An annular silicone pad 13 is fixedly connected to the lower surface of the positioning ring seat 1. The inner and outer walls of the annular silicone pad 13 are flush with the inner and outer walls of the positioning ring seat 1. An annular groove 14 is provided on the upper surface of the positioning ring seat 1. A rotating ring 3 is provided in the annular groove 14. A fixing block 15 is fixedly connected to the upper surface of the rotating ring 3. The fixing block 15 is symmetrical about the center of the rotating ring 3 on the upper surface of the rotating ring 3. The rotating ring 3 and the positioning ring seat 1 are on the same vertical central axis. The upper surface of the rotating ring 3 is flush with the upper surface of the positioning ring seat 1. The rotating ring 3 abuts against the inner wall of the annular groove 14.

[0025] Specifically, during use, the positioning ring seat 1 is placed in a fixed position so that the area to be calibrated and positioned is located inside the positioning ring seat 1. Then, the U-shaped fixing frame 5 is rotated by the control handle 8. The rotating ring 3 fixed below the U-shaped fixing frame 5 will rotate in the ring groove 14 of the positioning ring seat 1. The U-shaped fixing frame 5 will be adjusted by the positioning rotation to be directly above the calibration and positioning area.

[0026] Reference Figure 1 , Figure 3 and Figure 4A U-shaped fixing frame 5 is fixedly connected to the upper surface of the fixing block 15. Control handles 8 are fixedly connected to both the left and right sides of the U-shaped fixing frame 5. An image registration module 7 is fixedly connected to the upper surface of the U-shaped fixing frame 5. The side surface of the image registration module 7 is fixedly connected to the upper surface of the rotating ring 3 via an L-shaped fixing rod 2. A display screen 6 is fixedly connected to the upper end of the image registration module 7. Lifting guide rails 4 are fixedly connected to the inner walls of both the left and right sides of the U-shaped fixing frame 5. The upper end of the lifting guide rail 4 is fixedly connected to the upper inner wall of the U-shaped fixing frame 5. Vertical grooves 20 are provided on both the left and right inner walls of the lifting guide rail 4. A first reversible motor 16 is fixedly connected to the lower end of the lifting guide rail 4. A vertical lead screw 17 is fixedly connected to the output end of the first reversible motor 16. A lifting slider 18 is threadedly connected to the vertical lead screw 17. The left and right sides of the lifting slider 18 are both vertically mounted on sliding rods 19. The vertical sliding rods 19 slide within vertical grooves 20. The lifting slider 18 is fixedly connected to a horizontal guide rail 9. The left and right inner walls of the horizontal guide rail 9 are both provided with horizontal grooves 25. One end of the horizontal guide rail 9 is fixedly connected to a second reversible motor 21. The output end of the second reversible motor 21 is fixedly connected to a horizontal lead screw 23. The horizontal lead screw 23 is threadedly connected to a horizontal slider 24. The left and right sides of the horizontal slider 24 are both fixedly connected to horizontal sliding rods 26. The horizontal sliding rods 26 slide within horizontal grooves 25. The lower surface of the horizontal slider 24 is fixedly connected to an optical calibration module 12. The optical calibration module 12 is fixedly connected to a light guide tube 10, an OCT tube 11, and a ring light source 22. The OCT tube 11 and the ring light source 22 are located inside the light guide tube 10. The ring light source 22 is sleeved with the OCT tube 11.

[0027] Specifically, during the calibration and positioning process, the first reversible motor 16 inside the lifting guide rail 4 drives the vertical lead screw 17 to rotate in both directions. The vertical lead screw 17 drives the lifting slider 18 to move up and down, which in turn drives the OCT tube 11 to move up and down. The second reversible motor 21 inside the horizontal guide rail 9 drives the horizontal lead screw 23 to rotate in both directions. The horizontal lead screw 23 drives the horizontal slider 24 to move horizontally, which in turn drives the OCT tube 11 to move horizontally, facilitating the advancement and retraction of the OCT tube 11. The optical calibration module 12 generates a coaxial laser beam through the ring light source 22 to mark the tip position of the OCT tube 11, facilitating real-time auxiliary adjustment. The image registration module 7 automatically matches the image of the OCT tube 11 with the preset target features, calculates the offset, and feeds back the calibration parameters.

[0028] Working principle: The OCT catheter calibration and positioning device is used to calibrate and position the OCT catheter during medical surgery. In use, the positioning ring seat 1 is placed in a fixed position so that the area to be calibrated and positioned is inside the positioning ring seat 1. Then, the U-shaped fixing frame 5 is rotated by the control handle 8. The U-shaped fixing frame 5 is adjusted to be directly above the calibration and positioning area. The lifting guide rail 4 drives the OCT tube 11 to rise and fall, and the horizontal guide rail 9 drives the OCT tube 11 to move horizontally, which facilitates the advancement and retraction of the OCT tube 11. The optical calibration module 12 generates a coaxial laser beam through the ring light source 22 to mark the tip position of the OCT tube 11, which facilitates real-time auxiliary adjustment. The image registration module 7 automatically matches the image of the OCT tube 11 with the preset target features, calculates the offset, and feeds back the calibration parameters.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An OCT catheter calibration and positioning device, characterized in that, include: A positioning ring seat (1) is provided with a ring groove (14) on its upper surface. A rotating ring (3) is provided in the ring groove (14). A fixing block (15) is fixedly connected to the upper surface of the rotating ring (3). The fixing block (15) is symmetrical about the center of the rotating ring (3) on the upper surface of the rotating ring (3). A U-shaped fixing frame (5) is fixedly connected to the upper surface of a fixing block (15). Lifting guide rails (4) are fixedly connected to the inner walls of both sides of the U-shaped fixing frame (5). A first reversible motor (16) is fixedly connected to the lower end of the lifting guide rail (4). A vertical lead screw (17) is fixedly connected to the output end of the first reversible motor (16). A lifting slider (18) is threaded onto the vertical lead screw (17). A horizontal guide rail (9) is fixedly connected to the lifting slider (18). A second [unclear - possibly a specific type of guide rail] is fixedly connected to one end of the horizontal guide rail (9). A reversible motor (21) is provided. A horizontal lead screw (23) is fixedly connected to the output end of the second reversible motor (21). A horizontal slider (24) is threadedly connected to the horizontal lead screw (23). An optical calibration module (12) is fixedly connected to the lower surface of the horizontal slider (24). The optical calibration module (12) is fixedly connected to a light guide tube (10), an OCT tube (11), and a ring light source (22). The OCT tube (11) and the ring light source (22) are located inside the light guide tube (10). The ring light source (22) is sleeved with the OCT tube (11).

2. The OCT catheter calibration and positioning device according to claim 1, characterized in that, The lower surface of the positioning ring seat (1) is fixedly connected to an annular silicone pad (13), and the inner and outer walls of the annular silicone pad (13) are flush with the inner and outer walls of the positioning ring seat (1).

3. The OCT catheter calibration and positioning device according to claim 1, characterized in that, The rotating ring (3) and the positioning ring seat (1) are on the same vertical central axis. The upper surface of the rotating ring (3) is flush with the upper surface of the positioning ring seat (1). The rotating ring (3) abuts against the inner wall of the ring groove (14).

4. The OCT catheter calibration and positioning device according to claim 1, characterized in that, The left and right sides of the U-shaped bracket (5) are fixedly connected to control handles (8), and the upper surface of the U-shaped bracket (5) is fixedly connected to an image registration module (7). The side surface of the image registration module (7) is fixedly connected to the upper surface of the rotating ring (3) through an L-shaped fixing rod (2). The upper end of the image registration module (7) is fixedly connected to a display screen (6), and the display screen (6) is connected to the image registration module (7).

5. The OCT catheter calibration and positioning device according to claim 1, characterized in that, The upper end of the lifting guide rail (4) is fixedly connected to the upper inner wall of the U-shaped fixing frame (5), and vertical sliding grooves (20) are provided on the left and right inner walls of the lifting guide rail (4).

6. The OCT catheter calibration and positioning device according to claim 5, characterized in that, The left and right sides of the lifting slider (18) have vertical slide rods (19), which slide within the vertical slide groove (20).

7. The OCT catheter calibration and positioning device according to claim 1, characterized in that, The horizontal guide rail (9) is provided with horizontal grooves (25) on both the left and right inner walls.

8. The OCT catheter calibration and positioning device according to claim 1, characterized in that, The horizontal slider (24) has horizontal slide rods (26) fixedly connected to its left and right sides, and the horizontal slide rods (26) slide within the horizontal slide groove (25).

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