Method and apparatus for providing medical information

Abstract

Embodiments of the present invention provide a method for providing medical information, the method comprising the steps of: acquiring a first medical image and a second medical image, which are obtained after a contrast agent is administered to a body tissue of a patient; extracting features related to the position of an eyeball from the first medical image and specifying the position of the eyeball on the basis of the features; tracking the center position of a crystalline lens by utilizing the specified position of the eyeball; and displaying the central position of the lens as a marker on the second medical image.

Description

Method and device for providing medical information

[0001] The present invention relates to a medical information providing method and apparatus that tracks the position of a lens during medical examinations and procedures and provides position information.

[0002] In neurointerventional examinations and procedures, the patient's lens is highly radiosensitive, and prolonged exposure to radiation can induce cataracts.

[0003] Most patients diagnosed with cerebrovascular disease require therapeutic procedures and subsequent follow-up monitoring via angiography or CTA; consequently, the cumulative dose applied to the lens during this process is significant and cannot be ignored. Furthermore, for specific patients—such as those with small heads where the lens is easily included within the examination area, or those whose lens is included at specific treatment angles—dose levels significantly higher than the average, exceeding the threshold dose for cataracts, may be applied.

[0004] Most conventional studies on radiation dose reduction in the field of neurointervention are based on methods to reduce the overall dose by lowering tube settings and applying copper filters. However, since dose and image quality are inversely proportional, there are inevitably limitations to the application of these methods once a certain level is exceeded.

[0005] Therefore, new methods are being researched to reduce the effects of radiation on the patient's lens during neurointerventional examinations and procedures.

[0006] Embodiments of the present invention provide a method for selectively avoiding and reducing radiation irradiated to the lens, which is the most radiation-sensitive organ in the head region.

[0007] Specifically, the purpose is to provide a medical information provision method and device that tracks the position of the lens during medical examinations and procedures and provides position information.

[0008] However, these tasks are exemplary and do not limit the scope of the invention.

[0009] One embodiment of the present invention provides a method for providing medical information, comprising the steps of: acquiring a first medical image and a second medical image obtained after a contrast agent is administered to a patient's tubular tissue; extracting a feature related to the position of an eyeball from the first medical image and determining the position of the eyeball based on the feature; tracking the central position of a lens using the determined position of the eyeball; and marking the central position of the lens as a marker on the second medical image linked to the first medical image, wherein the first medical image is a source image obtained after a contrast agent is administered to the patient's tubular tissue, and the second medical image is a rendering image using the source image.

[0010] The medical information providing method and device according to embodiments of the present invention can accurately identify the position of the lens and then adjust the radiation irradiation area to selectively avoid the lens from being exposed to radiation.

[0011] In addition, the medical information providing method and device according to the embodiments of the present invention can easily determine the center position of the lens at any angle of the second medical image, which can be viewed in 3D, through the alignment process of the first medical image and the second medical image.

[0012] Accordingly, the medical information providing method and device according to the embodiments of the present invention can accurately identify the position of the lens within a short period of time during neurointerventional procedures requiring complex cerebrovascular procedures, thereby enabling the procedure to be performed more safely and accurately.

[0013] Of course, the scope of the present invention is not limited by these effects.

[0014] FIG. 1 is a block diagram schematically illustrating a medical information providing device according to one embodiment of the present invention.

[0015] FIG. 2 is a flowchart illustrating a method for providing medical information according to an embodiment of the present invention.

[0016] Figure 3 is a diagram illustrating the process of locating the position of the choroid in the first medical image.

[0017] Figure 4 is a diagram illustrating the process of tracking the position of the eyeball in a first medical image.

[0018] Figure 5 is a diagram illustrating a method for tracking the position of the center of the lens in the eye.

[0019] Figure 6 is a diagram illustrating the process of tracking the position of the lens in the first medical image and then linking the position of the lens in the second medical image.

[0020] Figure 7 is a diagram illustrating the process of tracking the position of the lens in the third medical image and then aligning the position of the lens in the second medical image when the third medical image is a magnetic resonance imaging (MRI) image.

[0021] Figure 8 is a diagram showing a case where a marker indicating the center of the lens is included in the radiation area of ​​the second medical image.

[0022] Figure 9 is a diagram showing the case where the radiation irradiation area in the second medical image of Figure 8 is moved.

[0023] Figure 10 is a diagram showing the case where the radiation irradiation area in the second medical image of Figure 8 is reduced.

[0024] Figure 11 is a diagram showing a case where the radiation irradiation area is changed by adjusting the angle of the second medical image of Figure 8.

[0025] One embodiment of the present invention provides a method for providing medical information, comprising the steps of: acquiring a first medical image and a second medical image obtained after a contrast agent is administered to a patient's tubular tissue; extracting a feature related to the position of an eyeball from the first medical image and determining the position of the eyeball based on the feature; tracking the central position of a lens using the determined position of the eyeball; and marking the central position of the lens as a marker on the second medical image linked to the first medical image, wherein the first medical image is a source image obtained after a contrast agent is administered to the patient's tubular tissue, and the second medical image is a rendering image using the source image.

[0026] In one embodiment of the present invention, in the step of specifying the position of the eyeball, the feature may be the position of the choroid having a specific curvature.

[0027] In one embodiment of the present invention, the step of specifying the position of the eyeball may include the step of specifying the position of the eyeball by drawing a virtual circle having the same curvature as the choroid based on the position of the choroid in the first medical image.

[0028] In one embodiment of the present invention, the step of tracking the center position of the lens can determine the center position of the lens using the patient's personal information and the diameter of the eyeball.

[0029] In one embodiment of the present invention, the patient's personal information may include the patient's gender information and age information.

[0030] In one embodiment of the present invention, the center position of the lens may be determined within a range of 70% to 90% of the diameter of the eyeball from the posterior wall of the eyeball.

[0031] In one embodiment of the present invention, the step of marking a radiation irradiation area in the second medical image may be further included.

[0032] In one embodiment of the present invention, when the indicated radiation irradiation area and the marker overlap, the method may further include the step of adjusting the radiation irradiation area so that the radiation irradiation area does not overlap with the marker.

[0033] In one embodiment of the present invention, the method further includes the step of acquiring a third medical image containing anatomical information of the patient's tubular tissue, and the step of determining the position of the eyeball or tracking the central position of the lens may further utilize the third medical image to determine the position of the eyeball or track the central position of the lens.

[0034] Another embodiment of the present invention provides a medical information providing device comprising a memory and a processor that executes instructions stored in the memory, wherein the processor acquires a first medical image and a second medical image obtained after a contrast agent is administered to the tubular tissue of a patient, extracts a feature related to the position of the eyeball from the first medical image, determines the position of the eyeball based on the feature, tracks the center position of the lens using the determined position of the eyeball, and displays the center position of the lens on the second medical image linked to the first medical image, wherein the first medical image is a source image obtained after a contrast agent is administered to the tubular tissue of the patient, and the second medical image is a rendering image using the source image.

[0035] In one embodiment of the present invention, the feature may include the position of the choroid having a specific curvature, wherein the feature related to the position of the eyeball.

[0036] In one embodiment of the present invention, the processor can determine the position of the eyeball by generating a virtual circle having the same curvature as the choroid based on the position of the choroid in the first medical image.

[0037] In one embodiment of the present invention, the processor can track the distance from the posterior wall of the eyeball to the center of the lens using the patient's personal information and the diameter of the eyeball.

[0038] In one embodiment of the present invention, the patient's personal information may include the patient's gender information and age information.

[0039] In one embodiment of the present invention, the distance from the posterior wall of the eyeball to the center of the lens may include the distance from the posterior wall of the eyeball to a point 70% to 90% of the total diameter of the eyeball.

[0040] In one embodiment of the present invention, the processor further acquires a third medical image including anatomical information of the patient's tubular tissue and further uses the third medical image to determine the position of the eyeball or track the central position of the centrosome.

[0041] In one embodiment of the present invention, the processor can adjust the radiation irradiation area so that the radiation irradiation area is offset from the position of the lens when the center of the lens is included in the indicated radiation irradiation area.

[0042] Other aspects, features, and advantages other than those described above will become clear from the following drawings, claims, and detailed description of the invention.

[0043] Hereinafter, the following embodiments will be described in detail with reference to the attached drawings. When describing with reference to the drawings, identical or corresponding components are given the same reference numerals, and redundant descriptions thereof will be omitted.

[0044] Since the embodiments are capable of various modifications, specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the embodiments and the methods for achieving them will become clear by referring to the details described below in conjunction with the drawings. However, the embodiments are not limited to those disclosed below and can be implemented in various forms.

[0045] In the drawings, parts unrelated to the explanation have been omitted to clearly explain the invention, and similar parts throughout the specification have been given similar reference numerals.

[0046] In the following embodiments, terms such as first, second, etc. are used not in a limiting sense, but for the purpose of distinguishing one component from another.

[0047] In the following embodiments, singular expressions include plural expressions unless the context clearly indicates otherwise.

[0048] In the following examples, terms such as "include" or "have" mean that the features or components described in the specification are present, and do not preclude the possibility that one or more other features or components may be added.

[0049] In the following embodiments, when a part is described as being "connected" to another part, this includes not only cases where they are "directly connected," but also cases where they are "electrically connected" with other elements interposed between them.

[0050] FIG. 1 is a block diagram schematically illustrating a medical information providing device (100) according to one embodiment of the present invention.

[0051] Referring to FIG. 1, the medical information providing device (100) of the present invention may include a memory (110), a processor (120), and a display unit (130), and may further include a network.

[0052] Memory (110) is a computer-readable recording medium and may include a non-perishable permanent mass storage device such as RAM (random access memory), ROM (read only memory), and a disk drive. Additionally, the memory (110) may store an operating system and at least one program code (e.g., code for a browser installed and running on a user terminal or the aforementioned application). These software components may be loaded from a computer-readable recording medium separate from the memory (110) using a drive mechanism. This separate computer-readable recording medium may include a computer-readable recording medium such as a floppy drive, disk, tape, DVD / CD-ROM drive, or memory card.

[0053] In another embodiment, software components may be loaded into memory (110) via a network rather than a computer-readable recording medium. For example, at least one program may be loaded into memory (110) based on a program (e.g., the application described above) that is installed by files provided via a network by developers or a file distribution system that distributes installation files for the application.

[0054] The processor (120) may be configured to process instructions of a computer program by performing basic arithmetic, logic, and input / output operations. Instructions may be provided to the processor (120) via memory (110) or a network. For example, the processor (120) may be configured to execute instructions received according to program code stored in a recording device such as memory (110). Here, 'processor' may mean a data processing device embedded in hardware having physically structured circuits to perform functions expressed by code or instructions included in the program, for example.

[0055] Examples of data processing devices embedded in hardware as described above include microprocessors, central processing units (CPUs), processor cores, multiprocessors, application-specific integrated circuits (ASICs), and field programmable gate arrays (FPGAs), but the scope of the present invention is not limited thereto.

[0056] The processor (120) can control the overall operation of the medical information providing device (100). The processor (120) can receive a medical image captured by an image capturing device, identify the position of the patient's eyeball and lens, and then generate and provide medical information including the image. A specific method for providing medical information by the processor (120) will be described later.

[0057] The display unit (130) displays (outputs) information processed by the medical information providing device (100). For example, the display unit may display execution screen information of an application running on the device, or UI (User Interface) and GUI (Graphic User Interface) information based on such execution screen information.

[0058] The display unit (130) can display images obtained from the first image capturing device (210) and the second image capturing device (310), and matching images generated during each imaging procedure, on the screen. The display unit (130) can display images of body parts in real time while the procedure is being performed.

[0059] The network can connect the medical information providing device (100), the first image capturing device (210), and the second image capturing device (310) to transmit and receive medical image data collected from each image capturing device to the medical information providing device (100). The network can acquire medical image data by being connected to an external image capturing device via a wired connection, or it can function as a communication module using wireless communication to receive medical image data from an external image capturing device.

[0060] It refers to a comprehensive data communication network in which the method of network connection is not limited and each network constituent entity can communicate smoothly with one another.

[0061] The communication methods of a network may include not only communication methods utilizing communication networks that the network may include, but also short-range wireless communication between devices. For example, a network may include any one or more networks such as a PAN (personal area network), LAN (local area network), CAN (capus area network), MAN (metropolitan area network), WAN (wide area network), BBN (broadband network), and the Internet. Additionally, a network may include any one or more network topologies such as a bus network, star network, ring network, mesh network, star-bus network, tree or hierarchical network, but is not limited thereto.

[0062] The first image capturing device (210) may be a device for capturing a first medical image and a second medical image. The first image capturing device (210) is a device for capturing a patient's cerebral blood vessels and may capture a plurality of angiographic images to obtain a first medical image which is a source image and a second medical image which is a rendering image. In one embodiment, the first image capturing device (210) may be a device for capturing blood vessels in cerebral angiography to obtain a first medical image and a second medical image.

[0063] The second image capturing device (310) may be a device for capturing a third medical image. Here, the third medical image may be an image obtained by capturing a body region including the patient's brain and eyes. The third medical image may be a two-dimensional image or a three-dimensional image.

[0064] In one embodiment, the second imaging device (310) may be an imaging device for acquiring at least one of a computer tomography (CT) image, magnetic resonance imaging (MRI), brain angiography computed tomography image, functional magnetic resonance imaging (fMRI), and positron emission tomography-computed tomography (PET-CT).

[0065] A medical information providing device (100) according to one embodiment of the present invention may acquire a first medical image and a second medical image from a first image capturing device (210) as described above, and may acquire a third medical image from a second image capturing device (310). A medical information providing device (100) according to one embodiment of the present invention may provide medical information using the first medical image and the second medical image, but may provide more accurate medical information using the third medical image as needed. However, the present invention is not limited thereto, and the first medical image and the second medical image may not be acquired from a single image capturing device but may be acquired from different image capturing devices. Alternatively, the first to third medical images may be different types of images acquired from a single image capturing device.

[0066] FIG. 2 is a flowchart illustrating a method for providing medical information according to an embodiment of the present invention. FIG. 3 is a diagram for explaining the process of finding the position of the choroid in a first medical image, and FIG. 4 is a diagram for explaining the process of tracking the position of the eyeball in a first medical image. FIG. 5 is a diagram for explaining the method of tracking the position of the center of the lens in the eyeball, and FIG. 6 is a diagram for explaining the process of linking the position of the lens in a second medical image after tracking the position of the lens in a first medical image.

[0067] Hereinafter, with reference to FIG. 1 and FIG. 2 to FIG. 6, a method for tracking the position of a lens and providing medical information will be described in detail.

[0068] Referring to FIGS. 2 to 5, the processor (120) can obtain a first medical image (200A) and a second medical image (200B) obtained after a contrast agent is administered to the patient's tubular tissue (250, see FIG. 6) from the first imaging device (210) (S100).

[0069] The first medical image (200A) may be a source image of a three-dimensional cerebral angiography image obtained from a device that photographs the patient's cerebral blood vessels in order to examine a body region including the patient's brain and eyes. The first medical image (200A) may be at least one of a plurality of source images corresponding to each specific time point. For example, if the number of source images is n, the n source images may correspond to a first time point through a n time point.

[0070] The second medical image (200B), like the first medical image (200A), may be a rendered image of a three-dimensional cerebral angiography image obtained from a device that photographs the patient's cerebral blood vessels. The second medical image (200B) may be an image rendered using multiple source data obtained from the first image capturing device (210). The second medical image (200B) may be linked with the first medical image (200A).

[0071] In other words, the second medical image (200B) may be a three-dimensional image of a cerebral blood vessel obtained from cerebral angiography. The second medical image (200B) may be a medical image in which the patient's blood vessel is captured while a contrast agent is administered to the patient, and may be a three-dimensional image reconstructed from multiple contrast images of the patient's cerebral blood vessel taken from one direction or multiple directions through the first imaging device (210).

[0072] Next, referring to FIGS. 2 and FIGS. 3, the processor (120) extracts a feature related to the position of the eyeball (220) from the first medical image (200A) and can determine the position of the eyeball (220) based on the feature (S200).

[0073] In one embodiment, in the step of specifying the position of the eyeball (220), the feature may be the position of the choroid (230) having a specific curvature.

[0074] The processor (120) can locate the position of the choroid (230) having a specific curvature from the first medical image (200A). The choroid (230) is a membrane located on the posterior wall (221) of the eyeball where a vascular network is distributed, and when a contrast agent is administered, it reaches the vascular permeability area of ​​the choroid (230). Through this, the processor (120) can identify the position of the choroid (230) having a specific curvature within the first medical image (200A) by distinguishing it from other tissues.

[0075] Step S200 may include the step of determining the position of the eyeball (220) by generating a virtual circle (C) having the same curvature as the choroid (230) based on the position of the choroid (230) in the first medical image (200A).

[0076] Specifically, referring to FIG. 4, the step of specifying the position of the eyeball (220) may create a virtual circle (C) having the same curvature as the specific curvature of the choroid (230). The virtual circle (C) may correspond to the patient's eyeball (220). In FIG. 4, the virtual circle (C) corresponding to the left eyeball and the right eyeball is indicated by the same reference numeral, but since the curvature of the choroid (230) may differ between the left eyeball and the right eyeball, the virtual circle (C) may also be a circle having different curvatures on both sides.

[0077] Next, referring to FIGS. 2 and FIGS. 5, the position of the lens center (240) can be tracked using the position of the specified eyeball (220) (S300).

[0078] Step S300 may include the step of tracking the distance from the posterior wall (221) of the eyeball to the center of the lens (240) using the patient's personal information and the diameter (D1) of the eyeball (220). At this time, the patient's personal information may include the patient's gender information and age information. The patient's personal information may be obtained and stored in advance through a pre-procedure medical history questionnaire or other medical information data.

[0079] The position of the lens center (240) can be determined within 70% to 90% of the diameter (D1) of the eyeball (220) from the posterior wall (221) of the eyeball.

[0080] The posterior wall (221) of the eyeball is a part located at the back of the eyeball (220) and may be a rear membrane structure of the eyeball (220) composed of structures that play an important role in processing and transmitting visual information, including the choroid (230). In the present invention, the posterior wall (221) of the eyeball may be a part of the eyeball (220) positioned toward the brain in the first medical image.

[0081] Referring to FIG. 5, the distance (D2) from the posterior wall (221) of the eyeball to the center of the lens (240) can be determined in the range of 70% to 90% of the diameter (D1) of the eyeball (220). In one embodiment, the distance (D2) from the posterior wall (221) of the eyeball to the center of the lens (240) can be determined using the diameter (D1) of the eyeball and personal information including the patient's gender and age.

[0082] Here, the diameter (D1) of the eyeball (220) may refer to the diameter of the virtual circle (C) generated in step S200. Since the eyeball (220) is specified as the virtual circle (C) in step S200, the diameter (D1) of the eyeball (220) can be inferred by measuring the diameter of the virtual circle (C). As another embodiment, the diameter (D1) of the eyeball (220) may be obtained from an image captured by another imaging device. In this case, the diameter (D1) of the eyeball (220) may be measured more accurately from a computed tomography image or magnetic resonance image obtained using the second imaging device (310) described later.

[0083] As described above, once the diameter (D1) of the eyeball (220) is determined, the distance (D2) from the posterior wall (221) of the eyeball to the center of the lens (240) can be determined using the diameter (D1) of the eyeball (200) and personal information including the patient's gender and age. For example, when the diameter (D1) of the eyeball of a 68-year-old female patient is 22.65 mm, the center of the lens (240) is located at 77% of the diameter (D1) of the eyeball, and the distance (D2) from the posterior wall (221) of the eyeball to the center of the lens (240) can be calculated as 17.55 mm. As another example, when the diameter (D1) of the eyeball of a 24-year-old male patient is 25.08 mm, the center of the lens (240) is located at 82% of the diameter (D1) of the eyeball, and the distance (D2) from the posterior wall (221) of the eyeball to the center of the lens (240) can be calculated as 20.58 mm.

[0084] Furthermore, as another embodiment of the present invention, the processor (120) can calculate a more accurate position of the lens center (240) through an inference model of an artificial neural network structure learned using a machine learning model. In this case, the machine learning model may be a machine learning model learned to calculate the position of the patient's lens center (240) when information regarding the patient's personal information and the diameter of the eyeball (D1) is input.

[0085] Next, referring to FIGS. 2 and FIGS. 6, the location of the lens center (240) can be marked with a marker (MB) on the second medical image (200B) linked to the first medical image (200A) (S400).

[0086] As illustrated in FIG. 6, the first medical image (200A) and the second medical image (200B) utilize source data obtained from the same first image capturing device (210), so they can be interconnected to perform operations. When the location of the lens center (240) is specified in the first medical image (200A), the first medical image (200A) and the second medical image (300) are interconnected through a network, so that the location of the lens center (240) found in the first medical image (200A) can be marked as a marker (MB) in the second medical image (200B).

[0087] At this time, the processor (120) may display a marker (MA) on the first medical image (200A) and provide it to the user. The position of the marker (MA) displayed on the first medical image (200A) is determined by the processor (120), but the user may be able to make fine adjustments as needed. When the user adjusts the marker (MA) displayed on the first medical image (200A), the marker (MB) of the linked second medical image (200B) may also be adjusted.

[0088] In step S400, even if the position of the blood vessel changes over time in the second medical image (300) or if the doctor changes the angle of the second medical image to observe it, the position of the lens center (240) can be fixed and displayed as a marker (MB) in three-dimensional space.

[0089] Meanwhile, FIG. 7 is a diagram for explaining the process of tracking the position of the lens in the third medical image and then aligning the position of the lens in the second medical image (200B) when the third medical image (300) is a magnetic resonance image (MRI image).

[0090] Referring again to FIG. 2 and FIG. 7, a method for providing medical information according to another embodiment of the present invention further acquires a third medical image including anatomical information of a patient's tubular tissue (S100'), and further uses the third medical image to determine the position of the eyeball or track the center position of the lens (S200').

[0091] Here, the third medical image (300) may be a medical image captured by a second imaging device (310) different from the first imaging device (210). For example, the third medical image (300) may be a medical image captured by a computer tomography (CT) device or a magnetic resonance imaging (MRI) device.

[0092] If the third medical image (300) is a magnetic resonance image (MRI image), the entire curvature of the eyeball (220) is confirmed, so the position of the eyeball (220) can be determined more accurately. A medical information provision method according to another embodiment of the present invention may determine the position of the eyeball (200) based on the first medical image (200A), and may verify or correct the determined position through the third medical image (300). Alternatively, a medical information provision method according to another embodiment of the present invention may determine the position of the eyeball (200) more accurately by using the third medical image (300) together with the first medical image (200A).

[0093] Afterward, the processor (120) can determine the distance (D2) from the rear wall (221) of the eye to the center of the lens (240) by measuring the diameter (D1) of the eye after determining the position of the eyeball (220). The distance (D2) from the rear wall (221) of the eye to the center of the lens (240) may be within the range of 70% to 90% of the diameter (D1) of the eyeball, thereby allowing the position of the center of the lens (240) to be determined.

[0094] At this time, the diameter of the left eyeball (L1) and the diameter of the right eyeball (R1) may differ depending on the patient.

[0095] Afterward, the processor (120) can mark the location of the lens center (240) on the second medical image (200B) that is aligned with the third medical image (300) with a marker (MB).

[0096] Meanwhile, a method for providing medical information according to one embodiment of the present invention may further include a step (S500 in FIG. 2) of projecting a marker (MB) displayed on a second medical image (200B) onto a radiation irradiation area (A) during a radiation procedure. Additionally, a method for providing medical information according to one embodiment of the present invention may further include a step (S600 in FIG. 2) of adjusting the radiation irradiation area (A) so that the marker (MB) does not overlap with the radiation irradiation area (A) when the radiation irradiation area (A) and the marker (MB) overlap, thereby avoiding radiation being irradiated to the lens.

[0097] FIG. 8 is a drawing showing a case where a marker (MB) indicating the center of the lens (240) is included in the radiation area (A) of the second medical image (200B). FIG. 9 is a drawing showing a case where the radiation area (A) in the second medical image (200B) of FIG. 8 is moved, FIG. 10 is a drawing showing a case where the radiation area (A) in the second medical image (200B) of FIG. 8 is reduced, and FIG. 11 is a drawing showing a case where the radiation area (A) is changed by adjusting the angle of the second medical image (200B) of FIG. 8.

[0098] Hereinafter, with reference to FIGS. 8 to 11, a method for avoiding radiation to the lens by adjusting the radiation area (A) when the center of the lens (240), i.e., the marker (MB), is included in the radiation area (A) of the second medical image (200B) will be described.

[0099] A method for providing medical information according to one embodiment of the present invention may further include the step of moving the radiation irradiation area (A) so that the radiation irradiation area (A) does not overlap with the marker (MB) when the indicated radiation irradiation area (A) and the marker (MB) overlap.

[0100] As shown in FIG. 8, when the radiation irradiation area (A) overlaps with the marker (MB) during the treatment process, the cumulative dose of radiation applied to the lens may increase, so to avoid this, the processor (120) can control the radiation irradiation device to move the radiation irradiation area (A).

[0101] As one embodiment, as shown in FIG. 9, the processor (120) can move the radiation area (A) in the y-direction so that the radiation area (A) does not overlap with the marker (330).

[0102] In another embodiment, referring to FIG. 10, the processor (120) can control the radiation irradiation device to irradiate radiation by reducing the width (W) of the existing radiation irradiation area (A) (W→W') so as not to overlap the radiation irradiation area (A) with the marker (330).

[0103] Additionally, as another embodiment, when the radiation irradiation area (A) overlaps with the marker (MB), the processor (120) can control the radiation irradiation angle of the radiation irradiation device to change the existing radiation irradiation area (A) so that it moves away from the marker (MB) and includes another area. For example, as shown in FIG. 11, the processor (120) can control the radiation irradiation device to rotate the radiation irradiation area (A) with respect to the X-axis.

[0104] In addition, as described above, the processor (120) may automatically control the radiation irradiation device when the radiation irradiation area (A) overlaps with the marker (MB). However, the present invention is not limited thereto, and the processor (120) may provide a guide image without directly controlling the radiation irradiation device, thereby guiding the user to adjust the radiation irradiation device by following the guide image.

[0105] Through these methods, the medical information provision method according to one embodiment of the present invention can accurately identify the position of the lens in a short period of time during a neurointerventional procedure that requires complex cerebrovascular procedures.

[0106] A medical information provision method according to one embodiment of the present invention can accurately determine the position of the lens and then adjust the radiation irradiation area (A) to selectively avoid the lens from being exposed to radiation.

[0107] Therefore, the medical information provision method according to one embodiment of the present invention can increase the accuracy regarding the size and position of the eyeball and the position of the center of the lens during neurointerventional procedures, thereby enabling the procedure to be performed more safely and accurately.

[0108] The embodiments may also be implemented in the form of a recording medium containing computer-executable instructions, such as program modules executed by a computer. A computer-readable medium may be any available medium accessible by a computer and includes both volatile and non-volatile media, and both removable and inseparable media. Additionally, a computer-readable medium may include both computer storage media and communication media. A computer storage medium includes both volatile and non-volatile, removable and inseparable media implemented by any method or technique for storing information, such as computer-readable instructions, data structures, program modules, or other data. A communication medium typically includes computer-readable instructions, data structures, other data of modulated data signals such as program modules, or other transmission mechanisms, and includes any information transmission medium.

[0109] Additionally, in this specification, "part" may be a hardware component, such as a processor or circuit, and / or a software component executed by a hardware component, such as a processor.

[0110] As such, the present invention has been described with reference to an embodiment illustrated in the drawings, but this is merely illustrative, and those skilled in the art will understand that various modifications and variations of the embodiments are possible therefrom. Accordingly, the true technical scope of protection of the present invention should be determined by the technical spirit of the appended claims.

Claims

1. A step of acquiring a first medical image and a second medical image obtained after a contrast agent is administered to the patient's tubular tissue; A step of extracting features related to the position of the eyeball from the first medical image and determining the position of the eyeball based on the features; A step of tracking the center position of the lens using the specified position of the eyeball; and The method includes the step of marking the center position of the lens with a marker on the second medical image linked to the first medical image. The first medical image above is a source image obtained after a contrast agent is administered to the tubular tissue of the patient, and A method for providing medical information, wherein the second medical image above is a rendered image using the source image.

2. In Paragraph 1, In the step of specifying the position of the eyeball, The above feature is a method for providing medical information, which is the location of the choroid having a specific curvature.

3. In Paragraph 2, A method for providing medical information, wherein the step of specifying the position of the eyeball includes the step of specifying the position of the eyeball by drawing a virtual circle having the same curvature as the choroid based on the position of the choroid in the first medical image.

4. In Paragraph 3, A method for providing medical information, wherein the step of tracking the central position of the lens determines the central position of the lens using the patient's personal information and the diameter of the eyeball.

5. In Paragraph 4, The personal information of the above patient is, A method for providing medical information, including the gender and age information of the above-mentioned patient.

6. In Paragraph 4, A method for providing medical information, wherein the center position of the lens is determined within a range of 70% to 90% of the diameter of the eyeball from the posterior wall of the eyeball.

7. In Paragraph 1, A method for providing medical information, further comprising the step of marking a radiation irradiation area in the second medical image.

8. In Paragraph 7, A method for providing medical information, further comprising the step of adjusting the radiation irradiation area so that the radiation irradiation area does not overlap with the marker when the radiation irradiation area indicated above overlaps with the marker.

9. In Paragraph 1, The method further includes the step of acquiring a third medical image containing anatomical information of the tubular tissue of the patient; and A method for providing medical information, wherein the step of specifying the position of the eyeball or tracking the central position of the lens further utilizes the third medical image to specify the position of the eyeball or track the central position of the lens.

10. Memory; and A processor that executes instructions stored in the memory; comprising The processor acquires a first medical image and a second medical image obtained after a contrast agent is administered to the patient's tubular tissue, extracts a feature related to the position of the eyeball from the first medical image, determines the position of the eyeball based on the feature, tracks the center position of the lens using the determined position of the eyeball, and displays the center position of the lens on the second medical image linked to the first medical image. The first medical image above is a source image obtained after a contrast agent is administered to the tubular tissue of the patient, and A medical information providing device in which the second medical image above is a rendered image using the source image.

11. In Paragraph 10, The above features are, A medical information providing device in which the features related to the position of the eyeball include the position of the choroid having a specific curvature.

12. In Paragraph 10, The above processor is, A medical information providing device that determines the position of the eyeball by generating a virtual circle having the same curvature as the choroid based on the position of the choroid in the first medical image.

13. In Paragraph 10, A medical information providing device in which the processor tracks the distance from the posterior wall of the eyeball to the center of the lens using the patient's personal information and the diameter of the eyeball.

14. In Paragraph 13, The personal information of the above patient is, A medical information providing device including the gender information and age information of the above-mentioned patient.

15. In Paragraph 14, The distance from the posterior wall of the eyeball to the center of the lens is, A medical information providing device comprising a distance from the posterior wall of the eyeball to a point of 70% to 90% of the total diameter of the eyeball.

16. In Paragraph 10, The above processor is, A medical information providing device that further acquires a third medical image containing anatomical information of the tubular tissue of the patient, and further uses the third medical image to determine the position of the eyeball or track the central position of the centrosome.

17. In Paragraph 16, The above processor is, If the center of the lens is included in the radiation area indicated above, A medical information providing device that adjusts the radiation irradiation area so as to move the radiation irradiation area away from the position of the lens.

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