OCT endoscope system, probe positioning method, electronic equipment and storage medium

Abstract

The invention provides an OCT endoscope system, a probe positioning method, electronic equipment and a storage medium, and relates to the technical field of medical equipment. The OCT endoscope system comprises an OCT scanning probe, at least two image acquisition modules, an image display module and a data processing module, wherein the OCT scanning probe is provided with a probe tube; the at least two image acquisition modules are arranged on the OCT scanning probe and far away from the probe tube, each image acquisition module is provided with a field of view, the image acquisition modules are used for acquiring image information of the field of view, and the at least two image acquisition modules are arranged at intervals in the circumferential direction of the probe tube; all view fields of the at least two image acquisition modules cover the peripheral side of the far end of the probe tube; the image acquisition module is electrically connected with the data processing module, and the data processing module is electrically connected with the image display module. The position of the target acquisition point of the probe can be accurately determined, a doctor is assisted in judging the position of the acquired target acquisition point, and the phenomenon of missing acquisition or repeated acquisition is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of medical equipment, and in particular to an OCT endoscope system, a probe positioning method, an electronic device and a storage medium. Background Art

[0002] Cervical cancer is one of the common gynecological malignancies. One of the key steps in its screening and diagnosis is histopathological biopsy, which is regarded as the "gold standard" for confirming cervical cancer. However, due to the invasive nature of biopsy, the number of samples collected each time is usually no more than four, and the sampling location is mainly determined by the results of colposcopy. Given that colposcopy is essentially a visual assessment method, the accuracy of its judgment of early precancerous lesions occurring under the cervical epithelium is subject to certain limitations. In addition, there is a shortage of experienced colposcopy operators. These factors together lead to a high misdiagnosis rate during the biopsy process, which may not only miss the true lesion site, but also lead to unnecessary overtreatment and waste of medical resources due to the collection of too many negative samples.

[0003] In recent years, Optical Coherence Tomography (OCT), as a non-invasive imaging technology, has shown great potential in the field of cervical cancer screening. OCT technology can provide high-resolution cell tissue images within a depth of about 2 mm below the surface of the cervix, which helps to more accurately identify and locate the lesion area, thereby improving the accuracy and efficiency of biopsy and reducing the risk of missed diagnosis.

[0004] Although OCT technology can significantly improve the recognition of diseased tissue, in actual applications, in order to ensure that the biopsy doctor can accurately collect samples from the lesion site, the examination position must be accurately located. The traditional positioning method is to divide the cervical area according to the 12 o'clock directions and indicate the lesion area by marking the o'clock position. Considering that the diameter of the human cervix is ​​about 2-3 cm, this means that each o'clock position actually represents a wide area, and the size of the OCT examination or biopsy sample is usually only about 2 mm. Therefore, it is difficult to accurately identify the location of the lesion based on the o'clock position alone. To solve this problem, the use of image methods to mark the location of the lesion has become a more ideal alternative, which can provide more accurate guidance for biopsy sampling.

[0005] When considering how to effectively record OCT examination points, the colposcope seems to be the preferred image recording tool. However, since the colposcope is usually placed at a certain distance outside the body, the device may be blocked by the dilator or OCT probe during the OCT examination, affecting its observation of the probe position. In addition, as independent devices, it is difficult to achieve synchronous operation of the colposcope and the OCT system. Another possible solution is to use a traditional endoscope, but since its working distance generally needs to be maintained above 30 mm to meet the operating requirements of surgical instruments, if its camera is installed at the front end of the OCT probe, it will hinder the comprehensive imaging of the tissue surface. In response to the above challenges, the present invention proposes an innovative design idea, that is, to install the endoscopic camera at the base position of the OCT probe, so as to realize the collaborative operation of the camera and the OCT probe. While collecting OCT images, the design can record the image of the cervical surface and the specific position of the probe, and its positioning accuracy reaches the millimeter level, which is far superior to the traditional clock position recording method. Summary of the invention

[0006] In view of this, the purpose of this application is to overcome the shortcomings of the prior art and to provide an OCT endoscope system, a probe positioning method, an electronic device and a storage medium, which can accurately determine the position of the target collection point of the probe without the need for use with a colposcope, and assist doctors in determining the position of the target collection point to be collected, thereby avoiding missed or repeated collection.

[0007] This application provides the following technical solutions:

[0008] In a first aspect, an embodiment of the present application provides an OCT endoscope system, the OCT endoscope system comprising:

[0009] An OCT scanning probe, wherein the OCT scanning probe has a probe tube;

[0010] At least two image acquisition modules, the at least two image acquisition modules are arranged on the OCT scanning probe and away from the probe tube, and the image acquisition modules have a field of view and a collection end, the image acquisition module is used to collect image information of the field of view, and the collection ends of the at least two image acquisition modules are arranged at intervals along the circumference of the probe tube, so that all the fields of view of the at least two image acquisition modules cover the circumference of the distal end of the probe tube;

[0011] An image display module and a data processing module, wherein the image acquisition module and the data processing module are electrically connected, and the data processing module and the image display module are electrically connected. The data processing module is used to convert all the image information acquired by the at least two image acquisition modules into panoramic image information of the circumference of the probe tube, and the image display module is used to display the panoramic image information.

[0012] In some embodiments of the first aspect, the OCT scanning probe further comprises:

[0013] A probe seat is detachably connected to the distal end of the probe tube, and the image acquisition module is arranged at one end of the probe seat close to the probe tube.

[0014] In some embodiments of the first aspect, the probe tube comprises at least two tube segments, which are connected in sequence, and in any two adjacent tube segments, the outer diameter of the tube segment away from the proximal end is smaller than the outer diameter of the tube segment close to the proximal end.

[0015] In some embodiments of the first aspect, a centerline of the field of view is tangent to an edge of a distal end surface of the probe tube.

[0016] In some embodiments of the first aspect, the image acquisition module includes a circuit board, a camera module and at least one light source module, the camera module and the at least one light source module are both arranged on the component surface of the circuit board, the camera module and the at least one light source module are both electrically connected to the circuit board, the circuit board is electrically connected to the data processing module, and the circuit board is arranged on the OCT scanning probe.

[0017] In some embodiments of the first aspect, the OCT scanning probe also includes a probe seat, which is connected to the proximal end of the probe tube, and the probe seat has a support portion at one end close to the probe tube, and the end surface of the support portion at an end away from the probe seat is a mounting end surface, the mounting end surface abuts against the welding surface of the circuit board, and the angle between the mounting end surface and the axis of the probe tube is configured to enable the center line of the field of view to be tangent to the edge of the distal end surface of the probe tube.

[0018] In some embodiments of the first aspect, the OCT scanning probe also includes a cover plate, the cover plate having a light source window and a lens window, the cover plate and the probe seat are connected to one end of the probe tube, so that an installation cavity is formed between the cover plate and the probe seat, the camera module and the light source module are both located in the installation cavity, each of the camera modules corresponds to the lens window, and each of the light source modules corresponds to the light source window.

[0019] In some embodiments of the first aspect, there are a plurality of the supporting portions, there are gaps between adjacent supporting portions, and there is a gap between the circuit board and the mounting end.

[0020] In a second aspect, the present application further provides a probe positioning method, which is applied to the OCT endoscope system described in any one of the above embodiments, and the probe positioning method includes:

[0021] Acquiring a plurality of image information of the distal circumference of the probe tube;

[0022] constructing panoramic image information of the distal end of the probe tube using the plurality of image information;

[0023] The position information of the central blind area in the panoramic image information is obtained, and the central blind area is set as the target acquisition point of the probe.

[0024] In a third aspect, the present application further provides an electronic device, including:

[0025] Memory, used to store computer programs;

[0026] A processor is used to execute the computer program to implement the probe positioning method as described in the above embodiment.

[0027] In a fourth aspect, the present application further provides a computer-readable storage medium for storing a computer program, wherein the computer program, when executed by a processor, implements the probe positioning method as described in the above embodiment.

[0028] The embodiments of the present application have the following advantages:

[0029] The present application provides a probe, which is used in conjunction with a vaginal dilator. After the vagina is stretched open by the vaginal dilator, the distal end of the probe tube is inserted into the cervix and the end face of the distal end of the probe tube is abutted against the target acquisition point. Due to the limitation of the distribution position of multiple image acquisition modules, the field of view of each image acquisition module will be partially blocked by the probe tube, and then each image acquisition module has a blind spot in the image information captured. However, the image information acquired by all image acquisition modules is combined so that the part of the blind spot in the image information captured by a single image acquisition module that is located outside the distal end face is eliminated, and the panoramic image information of the surrounding side of the probe tube can be obtained, and the central dead angle blocked by the end face of the distal end of the probe tube in the panoramic image information is the optical scanning position of the OCT scanning probe. Therefore, the target scanning point can be accurately controlled by controlling the position of the central dead angle in the panoramic image information. When used in conjunction with a colposcope, it is only necessary to take a complete cervical surface image through the colposcope and then import it into the OCT cervical detection device. After software processing, the acquisition position of the probe will be synchronously displayed on the acquisition point corresponding to the complete cervical image taken by the colposcope.

[0030] Obviously, the probe can also collect directly without the assistance of an external colposcope. The operation process is simplified, reducing the difficulty and error of the doctor's operation. In gynecological examinations, the probe can be used for high-precision imaging and positioning of the cervix, helping doctors to more accurately determine the location of lesions. Of course, this design can also be applied to other endoscopic examination scenarios that require high-precision imaging and positioning. Therefore, the present application achieves high-precision positioning and high-quality imaging of the target collection point, significantly improves the accuracy and reliability of OCT examinations, and provides strong support for clinical diagnosis.

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 A schematic diagram of the structure of an OCT scanning probe according to one embodiment of the present application is shown;

[0034] Figure 2 A schematic diagram showing the structure of an OCT scanning probe from another viewing angle provided by an embodiment of the present application is shown;

[0035] Figure 3 A schematic diagram of the assembly structure of an image acquisition module of an OCT scanning probe provided in one embodiment of the present application is shown;

[0036] Figure 4 A schematic diagram of an assembly structure of a support portion of an OCT scanning probe provided by an embodiment of the present application is shown;

[0037] Figure 5 A schematic diagram of the principle of an OCT scanning probe provided by an embodiment of the present application is shown;

[0038] Figure 6 A schematic diagram of panoramic image information of an OCT scanning probe provided by an embodiment of the present application is shown;

[0039] Figure 7 A schematic diagram of panoramic image information of an OCT scanning probe provided by another embodiment of the present application is shown;

[0040] Figure 8A schematic flow chart of a probe positioning method provided in yet another embodiment of the present application is shown;

[0041] Fig. 9 shows the internal structure of the electronic device;

[0042] Fig.10 A schematic diagram of images acquired by two imaging modules of an OCT scanning probe provided by an embodiment of the present application is shown;

[0043] Fig.11 A schematic diagram of panoramic image information formed by synthesizing images acquired by two imaging modules of an OCT scanning probe provided by an embodiment of the present application is shown.

[0044] Description of main component symbols:

[0045] 100-OCT scanning probe; 110-probe tube; 111-distal end; 112-proximal end; 120-probe seat; 121-mounting end; 130-cover plate; 131-light source window; 132-lens window;

[0046] 200-image acquisition module; 210-light source module; 220-camera module; 221-center line; 230-circuit board; 240-supporting part;

[0047] 300-electronic device; 310-processor; 320-memory; 321-operating system; 322-computer program; 330-power supply; 340-communication interface; 350-input and output interface;

[0048] 400-panoramic image information; 410-central blind spot. DETAILED DESCRIPTION

[0049] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0050] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0051] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of the template are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0054] In the related technology, OCT (Optical Coherence Tomography) is a high-resolution non-invasive optical imaging technology that uses low-coherence near-infrared light to illuminate biological tissues, and obtains two-dimensional cross-sectional images or three-dimensional reconstructed images of biological tissues with micron-level resolution by interferometric measurement of scattered light signals. In OCT, image contrast is generated by the mismatch of the optical refractive index of the tissue structure, and no exogenous contrast agent is required. The imaging depth in the tissue is about 2mm to 3mm. OCT is very suitable for surface applications, such as retinal imaging. With the development of OCT probe catheter technology in recent years, OCT has been increasingly used in the field of endoscopy, including cardiovascular, digestive tract, lungs, larynx and urogenital system. In order to apply these optical detection technologies to the screening and diagnosis of various diseases, a very important link is to transmit and focus the light beam to the target tissue area, and collect the returned light signal and transmit it to the acquisition device. In this process, the quality of light beam transmission and focusing directly determines important indicators such as resolution and signal-to-noise ratio of optical images. In order to achieve this goal, a probe for gynecological examination has emerged to perform cervical detection.

[0055] It should be noted that biopsy is still the gold standard for cervical detection. An important role of OCT in clinical use is to accurately identify suspicious areas before biopsy, provide guidance for biopsy, improve its accuracy, and reduce its missed diagnosis rate. However, OCT examination requires the assistance of a colposcope to illuminate and capture the cervix. Usually, in this process, the location of the target collection point is judged based on the doctor's own experience, and the collection of doctors with different experiences may be different. At the same time, the OCT probe will partially block the colposcope during collection, resulting in inaccurate positioning of the target collection point.

[0056] like Figure 1 , Figure 2 and Figure 3 As shown, in order to solve the above technical problems, an embodiment of the present application provides an OCT endoscope system, which includes an OCT scanning probe 100, at least two image acquisition modules 200, an image display module and a data processing module. The OCT scanning probe 100 has a probe tube 110; at least two image acquisition modules 200 are arranged on the OCT scanning probe 100 and away from the probe tube 110, and the image acquisition module 200 has a field of view and a collection end, the image acquisition module 200 is used to collect image information of the field of view, and the collection ends of at least two image acquisition modules 200 are arranged at intervals along the circumference of the probe tube 110, so that all fields of view of at least two image acquisition modules 200 cover the circumference of the distal end 111 of the probe tube 110; the image acquisition module 200 is electrically connected to the data processing module, and the data processing module is electrically connected to the image display module. The data processing module is used to convert all image information collected by at least two image acquisition modules 200 into panoramic image information 400 of the circumference of the probe tube 110, and the image display module is used to display the panoramic image information 400.

[0057] In order to solve the above technical problems, the present application provides an innovative OCT endoscope system design, which is particularly suitable for OCT (optical coherence tomography) to improve the positioning accuracy and imaging quality when inspecting parts such as the cervix. Among them, the OCT scanning probe 100 includes a probe tube 110, which is the main structural component of the probe. The distal end 111 of the probe tube 110 is used to insert into the cervix and contact the target detection point for optical scanning.

[0058] The image acquisition module 200 is used to assist the OCT scanning probe 100, and at least two image acquisition modules 200 can acquire image information of the circumference of the distal end 111 of the probe tube 110. Exemplarily, at least two image acquisition modules 200 are evenly distributed along the circumference of the probe tube 110 to ensure that images are acquired from multiple angles.

[0059] It should be noted that the image acquisition module 200 is installed on the OCT scanning probe 100 and close to the proximal end 112 of the probe tube 110 to avoid increasing the size of the probe tube 110 and facilitate observation by the staff. In addition, the distal end 111 of the probe tube 110 can block a part of the field of view, paving the way for the subsequent formation of the central blind area 410.

[0060] Furthermore, it is ensured that a single image acquisition module 200 can capture part of the image information around the distal end 111 of the probe tube 110. Obviously, by distributing at least two image acquisition modules 200 around the probe tube 110, the distal end 111 of the probe tube 110 is located within the field of view of all image acquisition modules 200, so that it is ensured that the image information around the probe tube 110 is obtained from different angles, and by obtaining multiple image information, the position information of the distal end 111 of the probe tube 110 is obtained, thereby improving the accuracy of positioning the distal end 111 of the probe tube 110.

[0061] For example, in this embodiment, the number of the image acquisition modules 200 is two. Of course, in other embodiments, the number of the image acquisition modules 200 may also be three, four, five, six, seven or eight, etc.

[0062] The data processing module is used to convert all image information collected by at least two image collection modules 200 into panoramic image information 400 around the probe tube 110. The central part of the acquired panoramic image information 400 has a central blind area 410, which is formed by the end surface of the distal end 111 of the probe tube 110.

[0063] Exemplarily, the data processing module includes an image processing unit, a data transmission unit and a control unit. The image processing unit is responsible for processing the multiple image information captured by the image acquisition module 200 to generate panoramic image information 400 around the probe tube 110. The data transmission unit is responsible for transmitting the processed image information to the image display module. The control unit is responsible for coordinating the work of each module to ensure the normal operation of the system.

[0064] The image display module is used to display the panoramic image information 400 for the doctor to observe, and then obtain the position information of the central blind area 410, so as to accurately control the position of the target acquisition point of the distal end 111 of the probe tube 110 by adjusting the position information of the central blind area 410. Exemplarily, the image display module includes a display, such as a tablet, a computer monitor, and a television.

[0065] During operation, the probe tube 110 is used in conjunction with a vaginal dilator. After the vagina is opened by the vaginal dilator, the distal end 111 of the probe tube 110 is inserted into the cervix and the end face of the distal end 111 of the probe tube 110 is abutted against the target acquisition point. Due to the limitation of the distribution position of the multiple image acquisition modules 200, the field of view of each image acquisition module 200 will be partially blocked by the probe tube 110, and thus the image information captured by each image acquisition module 200 has a blind area. However, the image information acquired by all the image acquisition modules 200 is combined so that the blind area in the image information captured by a single image acquisition module 200, which is located outside the end face of the distal end 111, is eliminated, and the panoramic image information 400 of the surrounding side of the probe tube 110 can be acquired, and the central dead angle blocked by the end face of the distal end 111 of the probe tube 110 in the panoramic image information 400 is the optical scanning position of the OCT scanning probe 100. Therefore, the target scanning point position can be accurately controlled by controlling the position of the central dead angle in the panoramic image information 400.

[0066] Obviously, this application does not require the assistance of an external colposcope, simplifies the operation process, and reduces the difficulty and error of the doctor's operation. In gynecological examinations, the probe can be used for high-precision imaging and positioning of the cervix, helping doctors to more accurately determine the location of lesions. Of course, this design can also be applied to other endoscopic examination scenarios that require high-precision imaging and positioning. Therefore, this application achieves high-precision positioning and high-quality imaging of the target acquisition point, significantly improves the accuracy and reliability of OCT examinations, and provides strong support for clinical diagnosis.

[0067] like Figure 1 and Figure 2 As shown, in some embodiments, the OCT scanning probe 100 further includes a probe base 120 , which is detachably connected to a distal end 111 of the probe tube 110 , and the image acquisition module 200 is disposed at one end of the probe base 120 close to the probe tube 110 .

[0068] In these embodiments, some specific implementation details of the OCT scanning probe 100 are further clarified, especially the design of the probe base 120. The following is a detailed description:

[0069] The probe tube 110 is a main structural component of the OCT scanning probe 100, and is used to be inserted into the body for imaging. The probe base 120 is connected to the distal end 111 of the probe tube 110, which is convenient for doctors to hold and operate. The image acquisition module 200 is arranged at one end of the probe base 120 close to the probe tube 110.

[0070] The image acquisition module 200 is arranged at one end of the probe base 120 close to the probe tube 110, ensuring that the center line 221 of the field of view is tangent to the edge of the end surface of the distal end 111 of the probe tube 110, and avoiding occupying the space at the front end of the probe tube 110.

[0071] Furthermore, usually, the probe tube 110 and the probe base 120 are detachably connected, and the probe base 120 integrates the camera module 220 and the light source module 210 , which facilitates the subsequent disassembly and assembly of the probe tube 110 .

[0072] It should be noted that in gynecological cervical examination, the probe can be used for high-precision imaging and positioning of the cervix, helping doctors to more accurately determine the location of the lesion. In addition, if the patient's vagina is expanded in advance by a vaginal dilator, it will not interfere with the image acquisition module 200.

[0073] like Figure 2 As shown, in some embodiments, the probe tube 110 includes at least two tube segments, which are connected in sequence. In any two adjacent tube segments, the outer diameter of the tube segment away from the proximal end 112 is smaller than the outer diameter of the tube segment close to the proximal end 112.

[0074] In these embodiments, the structure of the OCT scanning probe 100 is further optimized to make it more suitable for use in narrow physiological environments. The probe tube 110 includes at least two tube sections, which are connected in sequence to form a whole. Obviously, this design makes it easier for the probe tube 110 to enter a narrow physiological environment, such as the cervix, and reduces the risk of damage to the tissue.

[0075] In addition, the gradually decreasing outer diameter design reduces friction and damage to tissues, improving patient comfort and safety.

[0076] Furthermore, the miniaturization of the distal end 111 facilitates the accurate positioning of the probe at the target collection point.

[0077] For example, the outer diameter of the probe tube 110 gradually decreases in the axial direction. For example, the probe tube 110 is in a truncated cone shape.

[0078] like Figure 5 As shown, in some embodiments, the center line 221 of the field of view is tangent to the edge of the end surface of the distal end 111 of the probe tube 110 .

[0079] In these embodiments, when the center line 221 of the field of view of the image acquisition module 200 is tangent to the edge of the end face of the distal end 111 of the probe tube 110, the outer half of the image excluding the area covered by the end face of the distal end 111 of the probe tube 110 can be seen during acquisition. After the image information obtained by multiple image acquisition modules 200 is synthesized and processed, the circular shaded part that is not seen by the image acquisition module 200 is the acquisition window position of the distal end 111 of the probe tube 110 (i.e., the central blind area 410), and the position of the target acquisition point can be obtained.

[0080] like Figure 3 As shown, in some embodiments, the image acquisition module 200 includes a circuit board 230, a camera module 220 and at least one light source module 210, the camera module 220 and the at least one light source module 210 are both arranged on the component surface of the circuit board 230, the camera module 220 and the at least one light source module 210 are both electrically connected to the circuit board 230, the circuit board 230 and the data processing module are electrically connected, and the circuit board 230 is arranged on the OCT scanning probe 100.

[0081] In these embodiments, the circuit board 230, the camera module 220 and at least one light source module 210 are integrated, and the light source module 210 and the camera module 220 share a circuit board 230, which can achieve integration, reduce the size of the probe and reduce the cost. In addition, by adjusting the direction of the camera module 220, the irradiation direction of the light source module 210 can be adjusted synchronously.

[0082] Of course, in other embodiments, the light source module 210 and the camera module 220 may also be connected to different circuit boards 230 respectively.

[0083] Exemplarily, the number of light source modules 210 is one, the light source module 210 is arranged in a ring shape, the probe tube 110 is located in the light source module 210, and the light source module 210 is also arranged at one end of the probe seat 120 close to the probe tube 110, ensuring that the illumination area covers the circumference of the distal end 111 of the probe tube 110. Of course, in other embodiments, the number of light source modules 210 is multiple, and the multiple light source modules 210 are evenly distributed along the circumference of the probe tube 110 to provide uniform illumination. Of course, no specific limitation is made here, as long as the circumference of the distal end 111 of the probe tube 110 can be illuminated.

[0084] Exemplarily, the light source module 210 includes an LED lamp bead, which is a divergent light source, so that the distal end 111 of the probe tube 110 is located within the illumination range of the LED lamp bead.

[0085] like Figure 2 , Figure 3 and Figure 4As shown, in some embodiments, the OCT scanning probe 100 also includes a probe seat 120, which is connected to the proximal end 112 of the probe tube 110. The end of the probe seat 120 close to the probe tube 110 has a support portion 240, and the end surface of the support portion 240 facing away from the probe seat 120 is a mounting end 121 surface, the mounting end 121 surface abuts against the welding surface of the circuit board 230, and the angle between the mounting end 121 surface and the axis of the probe tube 110 is configured to enable the center line 221 of the field of view and the edge of the distal end 111 of the probe tube 110 to be tangent.

[0086] In these embodiments, the specific structure of the OCT scanning probe 100 is further refined to ensure that the center line 221 of the field of view is tangent to the edge of the end face 111 of the distal end of the probe tube 110, thereby improving the accuracy and quality of imaging. Among them, the camera module 220 is arranged on the component surface of the circuit board 230 and is electrically connected to the circuit board 230. The circuit board 230 contains electronic components required for imaging, is electrically connected to the camera module 220, and processes imaging data. One end of the support part 240 is connected to the probe seat, and the other end is connected to the circuit board 230. The end face of one end of the support part 240 connected to the circuit board 230 is the mounting end 121 face, and the mounting end 121 face abuts against the welding surface of the circuit board 230, and the angle between the mounting end 121 face and the axis of the probe tube 110 is configured to ensure that the center line 221 of the field of view is tangent to the edge of the end face 111 of the distal end of the probe tube 110. In other words, by controlling the inclination angle of the mounting end 121 face, the extension direction of the center line 221 of the field of view can be adjusted.

[0087] For example, the support portion 240 and the probe base 120 are integrated. Of course, the two can also be configured to be detachably connected.

[0088] like Figure 1 and Figure 2 As shown, in some embodiments, the OCT scanning probe 100 also includes a cover plate 130, the cover plate 130 has a light source window 131 and a lens window 132, the cover plate 130 and the probe seat 120 are connected to one end close to the probe tube 110, so that an installation cavity is formed between the cover plate 130 and the probe seat, the camera module 220 and the light source module 210 are both located in the installation cavity, each camera module 220 corresponds to a lens window 132, and each light source module 210 corresponds to a light source window 131.

[0089] In these embodiments, the structure of the probe base 120 is further refined to ensure the reasonable layout and protection of the camera module 220 and the light source module 210 on the probe base 120. The probe base 120 has a mounting end 121 for fixing and supporting the camera module 220 and the light source module 210. One end of the support portion 240 is connected to the mounting end 121, and the other end is connected to the circuit board 230 to ensure the stability of the camera module 220.

[0090] The cover plate 130 has at least two light source windows 131, which are arranged one-to-one with the light source module 210 to ensure that light can pass smoothly. Also, the cover plate 130 has at least two lens windows 132, which are arranged one-to-one with the lens group of the camera module 220 to ensure that imaging light can pass smoothly.

[0091] The cover plate 130 is connected to the mounting end 121 and together they enclose a mounting cavity. The camera module 220 and the light source module 210 are located in the mounting cavity to avoid contamination during use and facilitate cleaning.

[0092] For example, in this embodiment, the cover plate 130 and the mounting end 121 are detachably connected. For example, the cover plate 130 and the mounting end 121 are buckled. Alternatively, the cover plate 130 and the mounting end 121 are connected by screws, etc.

[0093] Exemplarily, the lens window 132 and the light source window 131 are formed by a transparent area on the cover plate 130 . Optionally, an opening is provided on the cover plate 130 , and a transparent plate is sealed in the opening to form a transparent area.

[0094] like Figure 3 and Figure 4 As shown, in some embodiments, there are multiple supporting portions 240 , there is a gap between adjacent supporting portions 240 , and there is a gap between the circuit board 230 and the mounting end 121 .

[0095] In these embodiments, reasonable layout and ventilation and heat dissipation between the circuit board 230 and the mounting end 121 are ensured.

[0096] There are multiple support parts 240, which are evenly distributed along the circumference of the probe tube 110. There are gaps between adjacent support parts 240 to ensure air circulation and help dissipate heat. It is only necessary to ensure that the mounting ends 121 of the multiple support parts 240 are on the same plane.

[0097] There is a gap between the circuit board 230 and the mounting end 121 to ensure air circulation and help dissipate heat. Despite the gap, the design of the support portion 240 ensures the stability of the circuit board 230 and prevents the circuit board 230 from shaking during operation.

[0098] For example, the support portion 240 is columnar. Of course, in other embodiments, it can also be a hollow structure.

[0099] Obviously, the gaps between the multiple support parts 240 and the gaps between the circuit board 230 and the mounting end 121 ensure air circulation and heat dissipation performance, thereby improving the stability and service life of the device.

[0100] like Figure 8 As shown, in some embodiments, the present application also provides a probe positioning method, which is applied to the OCT endoscope system described in the above embodiments, and the probe positioning method includes the following steps:

[0101] S100: Acquire a plurality of image information around the distal end 111 of the probe tube 110;

[0102] In these embodiments, the plurality of camera modules 220 acquire image information of the periphery of the distal end 111 of the probe tube 110 from different angles. The camera module 220 transmits the acquired image information to the data processing module via the circuit board 230 .

[0103] S200: constructing panoramic image information 400 of the distal end 111 of the probe tube 110 using the plurality of image information;

[0104] In these embodiments, the data processing module splices the image information acquired by the multiple camera modules 220 to generate the panoramic image information 400 of the distal end 111 of the probe tube 110. The spliced ​​image is processed to ensure the continuity and clarity of the image.

[0105] S300: Obtaining the position information of the central blind area 410 in the panoramic image information 400, and setting the central blind area 410 as the target acquisition point of the probe.

[0106] In these embodiments, the position of the central blind area 410 is identified in the panoramic image. The central blind area 410 refers to an area that cannot be directly imaged due to the presence of the probe tube 110. The position of the central blind area 410 is set as the target acquisition point of the probe to ensure that the acquired image information covers the entire inspection area to avoid missed acquisition or repeated acquisition.

[0107] That is, the probe positioning method method overview is applied to the probe described in the above embodiment, by acquiring multiple image information around the distal end 111 of the probe tube 110, constructing the panoramic image information 400, and determining the position of the target acquisition point.

[0108] For example, the number of imaging modules is two, such as Figure 6 As shown, the panoramic image information 400 is synthesized by evenly distributing the image information captured by the two camera modules 220 at the center position of the probe tube 110. The gray shaded area in the middle is the central blind spot 410 of the image acquisition module 200 blocked by the distal end 111 of the probe tube 110. After synthesizing the image information pictures captured by the two imaging modules, the center circle position in the figure is the position of the end face of the distal end 111 of the probe, that is, the probe acquisition point position.

[0109] In addition, a simulation schematic diagram is provided, such as Fig.10 and Fig.11 As shown, Fig.10 are images taken by two imaging modules respectively. Fig.11 The image is a composite of the images acquired by the two imaging modules. Obviously, the probe position can be accurately located.

[0110] For example, the number of imaging modules is four, such as Figure 7 The panoramic image information 400 is synthesized by evenly distributing the image information captured by the four camera modules 220 at the center of the probe tube 110. In this way, the position of the OCT probe acquisition point can be accurately located to improve the accuracy. When collecting, it is only necessary to align the central blind area 410 in the center of the figure with the position of the target acquisition point and paste it for collection. The collected position is the target acquisition point.

[0111] Of course, in other embodiments, the number of imaging modules may also be three, five, six, etc.

[0112] In some embodiments, Fig. 9 As shown, an electronic device 300 is provided, including a memory 320 and a processor 310, wherein the memory 320 is used to store a computer program 322; and the processor 310 is used to execute the computer program 322 to implement a probe positioning method.

[0113] It should be noted that Fig. 9 This is a structural diagram of an electronic device 300 according to an exemplary embodiment. The content in the diagram cannot be regarded as any limitation on the scope of use of the present application.

[0114] Specifically, the electronic device 300 may include: at least one processor 310, at least one memory 320, a power supply 330, a communication interface 340, an input / output interface 350, and an input / output interface 350. The memory 320 is used to store a computer program 322, which is loaded and executed by the processor 310 to implement the relevant steps in the probe positioning method disclosed in any of the above embodiments. In addition, the electronic device 300 in this embodiment may be specifically an electronic computer.

[0115] In this embodiment, the power supply 330 is used to provide working voltage for each hardware device on the electronic device 300; the communication interface 340 can create a data transmission channel between the electronic device 300 and external devices, and the communication protocol it follows is any communication protocol that can be applied to the technical solution of the present application, and is not specifically limited here; the input and output interface 350 is used to obtain external input data or output data to the outside world, and its specific interface type can be selected according to specific application needs and is not specifically limited here.

[0116] In addition, the memory 320, as a carrier for storing resources, can be a read-only memory 320, a random access memory 320, a disk or an optical disk, etc. The resources stored thereon can include an operating system 321, a computer program 322, etc., and the storage method can be temporary storage or permanent storage.

[0117] The operating system 321 is used to manage and control the hardware devices and computer programs 322 on the electronic device 300, which may be Windows Server, Netware, Unix, Linux, etc. In addition to the computer program 322 that can be used to complete the probe positioning method performed by the electronic device 300 disclosed in any of the aforementioned embodiments, the computer program 322 may further include a computer program 322 that can be used to complete other specific tasks.

[0118] In some embodiments, a computer readable storage medium is provided for storing a computer program 322, which implements the aforementioned disclosed probe positioning method when executed by the processor 310. The specific steps of the method can be referred to the corresponding contents disclosed in the aforementioned embodiments, and will not be described in detail here.

[0119] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0120] Professionals may further appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in the above description according to function. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians may use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0121] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein may be implemented directly using hardware, software modules executed by the processor 310, or a combination of the two. The software modules may be placed in a random access memory 320 (RAM), a memory, a read-only memory 320 (ROM), an electrically programmable ROM, an electrically erasable programmable ROM, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

[0122] In all examples shown and described herein, any specific values ​​should be interpreted as merely exemplary and not as limiting, and thus other examples of the exemplary embodiments may have different values.

[0123] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0124] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. An OCT endoscope system, characterized in that: The OCT endoscope system comprises: An OCT scanning probe, wherein the OCT scanning probe has a probe tube; At least two image acquisition modules, the at least two image acquisition modules are arranged on the OCT scanning probe and away from the probe tube, and the image acquisition modules have a field of view and a collection end, the image acquisition module is used to collect image information of the field of view, and the collection ends of the at least two image acquisition modules are arranged at intervals along the circumference of the probe tube, so that all the fields of view of the at least two image acquisition modules can cover the circumference of the distal end of the probe tube; An image display module and a data processing module, wherein the image acquisition module and the data processing module are electrically connected, and the data processing module and the image display module are electrically connected. The data processing module is used to convert all the image information acquired by the at least two image acquisition modules into panoramic image information of the circumference of the probe tube, and the image display module is used to display the panoramic image information.

2. The OCT endoscope system according to claim 1, characterized in that: The OCT scanning probe further includes: A probe seat is detachably connected to the distal end of the probe tube, and the image acquisition module is arranged at one end of the probe seat close to the probe tube.

3. The OCT endoscope system according to claim 1, characterized in that: The probe tube includes at least two tube sections, which are connected in sequence. Among any two adjacent tube sections, the outer diameter of the tube section away from the proximal end of the probe tube is smaller than the outer diameter of the tube section close to the proximal end.

4. The OCT endoscope system according to claim 1, characterized in that: The center line of the field of view is tangent to the edge of the distal end surface of the probe tube.

5. The OCT endoscope system according to claim 1 or 4, characterized in that: The image acquisition module includes a circuit board, a camera module and at least one light source module, the camera module and the at least one light source module are located at the acquisition end, the camera module and the at least one light source module are both arranged on the component surface of the circuit board, the camera module and the at least one light source module are both electrically connected to the circuit board, the circuit board is electrically connected to the data processing module, and the circuit board is arranged on the OCT scanning probe.

6. The OCT endoscope system according to claim 5, characterized in that: The OCT scanning probe also includes a probe seat, which is connected to the proximal end of the probe tube. The probe seat has a support portion at one end close to the probe tube, and the end face of the support portion facing away from the probe seat is a mounting end face. The mounting end face abuts against the welding surface of the circuit board, and the angle between the mounting end face and the axis of the probe tube is configured to enable the center line of the field of view to be tangent to the edge of the distal end face of the probe tube.

7. The OCT endoscope system according to claim 6, characterized in that: The OCT scanning probe also includes a cover plate, which has a light source window and a lens window. The cover plate is connected to the probe seat near one end of the probe tube, so that an installation cavity is formed between the cover plate and the probe seat. The camera module and the light source module are both located in the installation cavity, each of the camera modules corresponds to the lens window, and each of the light source modules corresponds to the light source window.

8. The OCT endoscope system according to claim 6, characterized in that: There are a plurality of support parts, there are gaps between adjacent support parts, and there is a gap between the circuit board and the mounting end.

9. A probe positioning method, characterized in that: Applied to the OCT endoscope system according to any one of claims 1 to 8, the probe positioning method comprises: Acquiring a plurality of image information of the distal circumference of the probe tube; constructing panoramic image information of the distal end of the probe tube using the plurality of image information; The position information of the central blind area in the panoramic image information is obtained, and the central blind area is set as the target acquisition point of the probe.

10. An electronic device, characterized in that: include: Memory, used to store computer programs; A processor is used to execute the computer program to implement the probe positioning method as claimed in claim 9.

11. A computer-readable storage medium, characterized in that: Used to store a computer program, which implements the probe positioning method as claimed in claim 9 when executed by a processor.

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