KR102539674B1 - Method for transmitting surgical image using cache server and system using the same - Google Patents

Abstract

According to the present invention, a system for transmitting a surgical image using a cache server, comprises: a content server for storing a plurality of surgical images; an image fragment management server for receiving surgery-related information including surgery date and time and a surgery type, and determining a related surgical image among the surgical images stored in the content server on the basis of the surgery-related information; and a cache server for receiving and storing at least a part of the related surgical images from the content server, and transmitting at least a part of the surgical images to a user terminal when a reference image is requested by the user terminal. The cache server is determined based on proximity to a location of the user terminal or response speed among a plurality of cache servers. Therefore, surgical images can be efficiently managed.

Description

Method for transmitting surgical images using a cache server and system using the same

The present invention relates to a surgical image transmission method using a cache server and a system using the same. More specifically, it relates to a method and system capable of providing a plurality of fragment images in which a surgical image is divided using a cache server to a user terminal through stable streaming without delay.

Recently, as technology related to multimedia has developed rapidly and is used in various fields, even in the medical field, a technology has been developed to produce recorded images of patients' surgical scenes so that doctors can present them at medical-related conferences or use them for other purposes. It is becoming.

In addition, there are many cases in which surgical images are taken for surgical records and for defense of possible medical disputes, or diagnosis and treatment are performed while visually checking lesions through a micro-camera through endoscopic surgery during joint surgery. Most medical equipment is equipped with an imaging function, so surgical imaging is rapidly increasing.

The recorded surgical images are valuable for various uses to other doctors, patients, researchers, and the like. In particular, if various medical information is added to the surgical image, its utilization and asset value can be increased.

Accordingly, there is a need for a new method and system that can prevent falsification of medical image records and mediate safe storage and transaction. In addition, there is a need for a method and system capable of more quickly and reliably providing medical images without interruption during surgery. In addition, there is a need for a method and system that can more effectively provide images of detailed surgical steps that doctors or medical staff can refer to during surgery.

Republic of Korea Patent Registration No. 10-2222857

The present invention, for example, separates a recorded video of a surgical scene into a plurality of fragment images, and manages connection link information and section information of each fragment image in a block chain to prevent forgery and falsification of the surgical image, and to record the order of surgery. It is an object to provide a method and system that can prevent manipulation or surgical records from being discarded.

In addition, the present invention divides a surgically recorded image into a plurality of fragment images and configures blocks using a combination of link information and section information, thereby reducing the capacity of block data and efficiently managing surgically recorded images. It aims to build a system.

In addition, an object of the present invention is to build a medical image management system that transparently manages the use and transaction of recorded surgical images through transactions through smart contracts and enables monetization through this.

In addition, an object of the present invention is to provide a method and system capable of reducing buffering and transmitting surgical images more quickly and stably when reproducing images that can be referred to by doctors or medical staff performing surgery using a cache server.

Another object of the present invention is to provide a cache server system capable of providing a plurality of fragment images from which surgical images are divided to a user terminal through stable streaming without delay.

In addition, an object of the present invention is to provide an image transmission system capable of generating and recommending an optimal surgical image based on information related to ongoing surgery.

In addition, an object of the present invention is to provide a surgical stage image transmission system configured to determine a detailed surgical step of a more efficient and safe surgery based on past surgical record information and transmit a plurality of image fragments generated based thereon.

In addition, an object of the present invention is to provide a method and system capable of recommending detailed surgical steps suitable for surgical patients using artificial intelligence technology and sequentially providing detailed surgical step images based thereon to medical staff.

Solving problems of the present invention are not limited to the contents mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

According to one embodiment of the present invention, in a surgical image transmission system using a cache server, a content server configured to store a plurality of surgical images; an image piece management server configured to receive surgery-related information including a date and time of surgery and a type of surgery, and to determine a related surgery image among a plurality of surgical images stored in the content server based on the surgery-related information; and a cache server configured to receive and store at least a portion of the related surgical images from the content server, and to transmit at least a portion of the surgical images to the user terminal when there is a request for a reference image from the user terminal, wherein the cache The server may provide a surgical image transmission system that is determined based on a response speed or proximity to a location of the user terminal among a plurality of cache servers.

Here, the image fragment management server may be configured to divide the related surgical image into a plurality of fragment images having a predetermined capacity or less.

In addition, the plurality of fragment images are sequentially generated based on timestamp information of each section within the surgical image, and the image fragment management server selects at least one fragment image corresponding to the front part of the plurality of fragment images. It can be configured to forward to a cache server.

Also, the image fragment management server may be configured to deliver the at least one fragment image to the cache server before the date and time of the surgery based on the date and time of the surgery.

In addition, the image fragment management server may be configured to determine a related surgical image among a plurality of surgical images stored in the content server based on a similarity determination with reference image information previously used in the user terminal.

In addition, when the at least one fragment image is streamed from the user terminal at a predetermined ratio or more, the cache server requests the image fragment management server for the remaining fragment images other than the front portion of the plurality of fragment images to the image fragment management server. It can be configured to receive and store.

In addition, when all of the plurality of fragment images are streamed in the user terminal, the cache server may be configured to transmit at least some of the second surgical images corresponding to the next sequence of the transmitted surgical images to the user terminal. .

In addition, determining at least one main fragment image among the plurality of fragment images based on at least one of a movement of a surgical tool, an amount of blood generated, and a degree of change in an organ related to the operation through image analysis of the plurality of fragment images; The image fragment management server may be configured to deliver a main fragment image of the plurality of fragment images to the cache server.

According to another embodiment of the present invention, in the surgical image transmission method using a cache server, the step of storing a plurality of surgical images in the content server; Receiving surgery-related information including a date and time of surgery and a type of surgery from an image fragment management server, and determining a related surgery image among a plurality of surgical images stored in the content server based on the surgery-related information; determining a cache server connected to the user terminal from among a plurality of cache servers based on proximity to the location of the user terminal or response speed; receiving and storing at least some of the related surgical images from the content server in the cache server; and transmitting, in the cache server, at least a part of the surgical images to the user terminal when there is a request for a reference image from the user terminal.

According to the present invention, for example, a recorded image of a surgical scene is separated into a plurality of fragment images, and connection link information and section information of each fragment image are managed in a block chain to prevent forgery and falsification of the surgical image, and to determine the order of surgery. It is possible to provide a method and system capable of preventing manipulation of records or discarding of surgical records.

In addition, according to the present invention, by dividing a surgically recorded image into a plurality of fragment images and constructing a block using a combination of link information and section information, it is possible to efficiently manage surgically recorded images while reducing the capacity of block data. A system can be built.

In addition, according to the present invention, it is possible to build a medical image management system that transparently manages the use and transaction of recorded surgical images through transactions through smart contracts and enables monetization through this.

In addition, according to the present invention, it is possible to provide a method and system capable of reducing buffering during image playback and transmitting surgical images more quickly and stably, which can be referred to by doctors or medical staff performing surgery using a cache server.

In addition, according to the present invention, it is possible to provide a cache server system capable of providing a plurality of fragment images from which surgical images are divided to a user terminal through stable streaming without delay.

In addition, according to the present invention, it is possible to provide an image transmission system capable of generating and recommending an optimal surgical image based on information related to an ongoing surgery.

In addition, according to the present invention, it is possible to provide a surgical stage image transmission system configured to determine a detailed surgical step of a more efficient and safe surgery based on past surgical record information and transmit a plurality of image fragments generated based thereon.

In addition, according to the present invention, it is possible to provide a method and system capable of recommending detailed surgical steps suitable for surgical patients using artificial intelligence technology and sequentially providing detailed surgical step images based thereon to medical staff.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is a conceptual diagram showing the configuration of a system for managing records of medical images using a blockchain according to an embodiment of the present invention.
2 is a block diagram for explaining the configuration of a medical image management server according to an embodiment of the present invention.
FIG. 3 is an exemplary diagram illustrating how to generate blocks generated on a blockchain network for a plurality of fragment images related to medical images according to an embodiment of the present invention.
4 is an exemplary diagram for explaining a block header structure according to an embodiment of the present invention.
5 is a flowchart illustrating a method for managing medical images using a blockchain according to an embodiment of the present invention.
6 is a conceptual diagram for explaining the configuration of a surgical image transmission system using a cache server according to an embodiment of the present invention.
7 is a block diagram for explaining the configuration of a cache server according to an embodiment of the present invention.
8 is an exemplary diagram for explaining a method for providing a plurality of image fragments related to surgical images using a cache server according to an embodiment of the present invention.
9 is a flowchart illustrating a surgical image transmission method using a cache server according to an embodiment of the present invention.
10 is a conceptual diagram for explaining the configuration of a surgical image transmission system using a cache server according to an embodiment of the present invention.
11 is an exemplary view for explaining a configuration for recommending detailed surgical steps for a surgical patient according to an embodiment of the present invention.
12 is an exemplary diagram for explaining a method for providing images of detailed surgical steps using a cache server according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail so that those skilled in the art can easily practice the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein.

Terminology used herein is for describing the embodiments and is not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase.

As used herein, "comprises", "comprising" refers to the presence or absence of one or more other components, steps, operations and/or elements do not rule out additions.

Also, terms including ordinal numbers such as first and second used in the present invention may be used to describe components, but components should not be limited by the terms. These terms are only used to distinguish one component from another. In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may obscure the gist of the present invention, the detailed description will be omitted.

In addition, the components appearing in the embodiments of the present invention are shown independently to represent different characteristic functions, and it does not mean that each component is made of separate hardware or a single software component unit. That is, each component is listed and described as each component for convenience of description, and at least two components of each component may be combined to form one component, or one component may be divided into a plurality of components to perform a function. An integrated embodiment and a separate embodiment of each of these components are also included in the scope of the present invention unless departing from the essence of the present invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. The configuration of the present invention and its operational effects will be clearly understood through the following detailed description.

1 is a conceptual diagram showing the configuration of a system for managing records of medical images using a blockchain according to an embodiment of the present invention.

The medical image management system may be composed of a medical imaging unit 100, a medical image management server 200, and a blockchain network 300. It can be configured to record images related to surgery, treatment, treatment, etc., and transmit the recorded medical images to the medical image management server 200. The medical imaging unit 100 may take the form of a plurality of cameras or CCTVs of various types, such as a head mounted display (HMD) camera that can be worn by medical staff such as doctors, a camera installed in an operating room, and an endoscope camera used for endoscopic surgery. can For example, a camera installed in an operating room is installed on the ceiling to identify an initial location by designating coordinates for each object in an initial real-time image, and can perform movement tracking by identifying a surgical scene and an operation of a surgeon. In addition, it may be configured to automatically photograph and record a surgical scene by tracking the movement of all objects, such as surgical instruments, that are photographed using image recognition technology.

The medical image management server 200 receives a medical image recorded in relation to surgery or treatment using the medical image capture unit 100, and creates a block on the blockchain network 300 based on data related to the medical image. and update the block based on new data related to the medical image. The medical image management server 200 may include a memory for storing data and commands and a processor for executing commands to manage information related to each module configured to receive and manage medical images. A more detailed configuration of the medical image management server 200 will be described with reference to FIG. 2 .

The medical image management server 200 may be a server corresponding to any one of the blockchain nodes constituting the blockchain network 300 or a server for managing the blockchain network 300 . Blockchain technology is based on the P2P (Peer-to-Peer) method and stores the data to be managed in a distributed data storage environment called a block formed by connecting countless small-scale data in the form of a chain, so that no one can arbitrarily modify it and anyone can change it. It is a technology that makes it possible to read the results of In the block, all transaction details or status information that were propagated to users before the corresponding block was discovered are recorded, and this is transmitted equally to all users in a P2P manner, so transaction details or status information cannot be arbitrarily modified or omitted. . In the present invention, data or data bundles for medical image management that are stored and updated through the blockchain network 300 are referred to as 'blocks'.

2 is a block diagram for explaining the configuration of a medical image management server according to an embodiment of the present invention.

The medical image management server 200 includes an image receiving unit 210, an image segmentation unit 220, a link management unit 230, a block generation processing unit 240, a block update processing unit 250, a contract processing unit 260, and the like. and these components may include programs or program modules that can be executed by one or more processors. Programs or program modules included in the medical image management server 200 may be configured in the form of an operating system, application program, or program, and are physically stored on various types of widely used storage devices. can be saved as Such a program or program module includes one or more routines, subroutines, programs, objects, components, instructions, data structures, and specific tasks ( It may include various forms for performing tasks) or executing specific data types, but is not limited to these forms.

First, the image receiving unit 210 is configured to receive medical images recorded in relation to surgery or treatment using the medical imaging unit 100, and may be connected to the medical imaging unit 100 using wired or wireless Internet. there is.

The image divider 220 is configured to divide the medical image into a plurality of slice images, and blocks corresponding to each slice image information through the block generation processor 240 based on data related to the plurality of slice images divided in this way. can be created and recorded sequentially. For example, the image segmentation unit 220 may sequentially generate a plurality of fragment images from one medical image based on timestamp information set for each section within the medical image. For example, timestamp information may be set according to detailed intraoperative procedures by an operating surgeon or medical staff who performed the surgery, or may be automatically set using artificial intelligence technology or the like. In addition, the plurality of fragment images may further include tag information inserted into the recorded surgical images, and the tag information may include at least one of a surgical subject, a comment related to a surgical situation, a surgical sequence, a surgical tool, and a surgical event. can Such tag information may be associated with each timestamp information and input by a medical staff or the like, or related information may be automatically input using artificial intelligence technology or the like.

The block generation processor 240 may be configured to generate a block on the blockchain network 300 based on data related to medical images, and may be configured to generate a new block for each of a plurality of slice images, for example. can In addition, the header of the generated block may include information related to a connection link accessible to each of a plurality of fragment images. In addition, the header of the generated block may further include section information generated based on timestamp information of the start and end times of each of the plurality of slice images.

The block update processing unit 250 may be configured to update block information based on tag information or the like for a generated block. For example, tag information corresponding to each fragment image may include additional information, reading details, transaction details, usage details, and the like. For example, accessor information, access IP information, and access time information accessed through a connection link of a corresponding piece image can be tracked as a log record, and such access information can be recorded and updated in the body of a block corresponding to the piece image. .

The contract processing unit 260 is configured to conclude various transaction contracts for the use of medical images and process related processes, and such transaction contracts use a smart contract to settle costs according to preset transaction conditions. can be configured. The contract processing unit 260 may be configured to generate a block for a smart contract on the blockchain network 300 based on data related to the use of medical images through a smart contract, and the use period of medical images. It may include information, that is, information on start and end dates, information related to access and editing rights of the video, and the like.

FIG. 3 is an exemplary diagram illustrating how to generate blocks generated on a blockchain network for a plurality of fragment images related to medical images according to an embodiment of the present invention.

Referring to FIG. 3 , for example, medical images related to stent operation or surgery include four stages: 1) surgical preparation and anesthesia, 2) catheter insertion, 3) balloon inflation, and 4) catheter removal and stent installation. According to , it can be divided into four slice images, and each slice image can include section information related to the start and end times of t1 to t2, t2 to t3, t3 to t4, and t4 to t5 as time stamp information, , Connection link information, which is information related to a connection link corresponding to each segment image, may be generated by assigning different accessible connection links to each segment image. In this way, a plurality of blocks including connection link information and time interval information may be generated for each of a plurality of slice images from which the medical image is sequentially divided.

4 is an exemplary diagram for explaining a block header structure according to an embodiment of the present invention.

The structure of a block may be largely composed of a block hash serving as an identifier of the block, a header having basic information, and a body having transaction information. Here, the header generally includes information such as version, previous block hash, merkle root, time, difficulty target, and nonce, and the block according to the present invention includes a connection link accessible to each of a plurality of fragment images in the header It may further include section information generated based on related connection link information and timestamp information of start and end times of each of the plurality of slice images.

Through such a block structure, it is possible to prevent falsification of medical image records by matching link information accessible to surgical image fragments or still cuts for each fragmented and distributed ledger and recording them using a blockchain. For example, link information is encrypted. And, by setting the storage space in which the corresponding video or still cut is stored to read-only so as not to be modified, the corresponding video at the access location can be prevented from being changed.

In this way, the present invention divides a surgically recorded image into a plurality of fragment images and constructs a block using a combination of connection link information and section information, thereby reducing the capacity of block data and efficiently managing surgically recorded images. The system can be provided, and it can solve the problem of when surgery history is discarded due to expiration of the storage period or major contents related to related surgery are tampered with.

5 is a flowchart illustrating a method for managing medical images using a blockchain according to an embodiment of the present invention.

Referring to FIG. 5 , first, a medical image photographed and recorded by the medical image capturing unit 100 may be received through the image receiving unit 210 of the medical image management server 200 (S510).

The medical image management server 200 may sequentially divide the medical image into a plurality of fragment images through the image segmentation unit 220 (S520).

The medical image management server 200 may create connection links for a plurality of slice images through the connection link management unit 230 and generate section information for each slice image (S530).

The medical image management server 200 may sequentially record data related to a plurality of slice images in blocks through the block generation processor 240 (S540). At this time, the header of the block is a connection capable of accessing each of the plurality of slice images. It may include section information generated based on connection link information related to a link and timestamp information of start and end times of each of a plurality of slice images.

In addition, the medical image management server 200 may perform block update based on tag information related to a plurality of slice images through the block update processor 250 (S550). For example, tag information corresponding to each slice image. Based on additional information, viewing history, transaction history, usage history, etc., the corresponding block can be updated.

In addition, the medical image management server 200 may track visitor information, access IP information, and access time information as a log record (S560). In this way, access information is monitored by tracking connection-related information accessed through a corresponding link. can do. In addition, it is possible to prevent tampering of the access record by updating the corresponding block based on the access-related information.

6 is a conceptual diagram for explaining the configuration of a surgical image transmission system using a cache server according to an embodiment of the present invention.

Referring to FIG. 6, the user terminal 400 is used by a user such as a doctor or medical staff who performs surgery, treatment, treatment, etc., and provides, for example, a content server 600, a cache server 700, and an image fragment management server 800. As a device configured to be accessible to the like, specifically, a smart phone (smart phone), a tablet computer, a desktop computer, a laptop computer, a notebook computer, a workstation, a PDA (Personal Digital Assistants), Portable computer, wireless phone, mobile phone, e-book, portable multimedia player (PMP), portable game console, digital camera, television , a wearable device, a head-mounted display (HMD), and an AI (artificial intelligence) speaker, but is not limited thereto. In addition, the user terminal 400 may include a display unit for providing a medical image screen, or may have a form configured to be controllable by being connected to the display unit.

The user terminal 400 is configured to communicate with various servers, for example, the content server 600, the cache server 700, and the image fragment management server 800 through the network 500, and the network 500 is configured to communicate with the user terminal ( 400) and a plurality of servers (600, 700, 8000), as a component for performing wired/wireless communication for data transmission/reception, when the network is a wireless communication network, it may include cellular communication or local area communication. For example, cellular communication includes Long-Term Evolution (LTE), LTE Advanced (LTE-A), 5th Generation (5G), Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), Universal Mobile Telecommunications System (UMTS), and WiBro. (Wireless Broadband) or GSM (Global System for Mobile Communications). Also, short-range communication may include at least one of Wi-Fi (Wireless Fidelity), Bluetooth, Zigbee, NFC (Near Field Communication), RFID (Radio Frequency Identification), and the like. However, the communication method is not limited thereto and will include wireless communication technology developed later.

Next, the content server 600 may be configured to store a plurality of surgical images. For example, through various types of cameras through the medical imaging unit 100, surgery, treatment, It may be configured to store recorded images related to medical treatment.

The cache server 700 receives and stores at least a portion of surgical images related to a corresponding operation among a plurality of surgical images stored from the content server 600, and when there is a request for a reference image from the user terminal 400, the user terminal 400 ) to transmit at least some of the surgical images. In addition, the cache server 700 may be selected as the most advantageous cache server based on response speed or proximity to the location of the corresponding user terminal 400 among a plurality of cache servers.

The image fragment management server 800 receives surgery-related information including the date and time of surgery and the type of surgery, and determines a surgical image related to the corresponding surgery among a plurality of surgical images stored in the content server 600 based on the surgery-related information. and may be configured to divide the related surgical image into a plurality of fragment images having a predetermined capacity or less.

The plurality of fragment images divided in this way are sequentially generated based on the timestamp information of each section within the corresponding surgical image, and the image fragment management server 800 selects at least one fragment image corresponding to the front part of the plurality of fragment images. It may be configured to deliver to the cache server 700.

In addition, the image fragment management server 800 may be configured to deliver at least one fragment image to the cache server 700 before the surgery date and time based on the predetermined surgery date and time. For example, based on a predetermined criterion, the corresponding piece image may be delivered to the cache server 700 in advance one day or one hour before the date of the operation, and set to be stored in the cache server 700 .

In addition, the image fragment management server 800 is configured to determine a related surgical image among a plurality of surgical images stored in the content server 600 based on a similarity determination with reference image information previously used in the user terminal 400. It can be. That is, a surgical image that is highly likely to be referred to during a corresponding operation may be determined using past history data previously referred to or searched by the user of the user terminal 400 .

In addition, if at least one piece of image is streamed from the user terminal 400 at a predetermined ratio or more, it is determined that the user refers to the piece of image, and the cache server 700 transmits the piece of image to the image piece management server 800. By configuring to request, receive, and store the rest of the fragment images except for the front part of the image, the remaining fragment images are stored in the cache server 700 in advance, thereby minimizing transmission delay when streaming the corresponding surgical image through the user terminal 400. can do.

In addition, when all of the plurality of fragment images are streamed in the user terminal 400, the cache server 700 transmits at least a part of the second surgical images corresponding to the next sequence of the transmitted surgical images to the user terminal 400. can be configured. In addition, if at least one fragment image or all fragment images of the second surgical image is streamed from the user terminal 400 at a predetermined ratio or more, it is determined that the user refers to the corresponding fragment image of the second surgical image, and the cache server ( 700 ) may be configured to request, receive, and store the remaining fragment images excluding the front part of the stomach among the plurality of fragment images from the image fragment management server 800 .

In addition, the image fragment management server 800 analyzes the plurality of fragment images through artificial intelligence technology and the like to determine a plurality of fragments based on at least one of the movement of a surgical tool, the amount of blood generated, and the degree of change in organs related to the operation. It may be configured to determine at least one main fragment image among the images and deliver the main fragment image among the plurality of fragment images to the cache server 700 . In this way, the image fragment management server 800 determines a main fragment image that is determined to be important among a plurality of fragment images and transfers only the main fragment image to the cache server 700, thereby efficiently using the limited storage space of the cache server 700. can be utilized as

7 is a block diagram for explaining the configuration of a cache server according to an embodiment of the present invention.

Referring to FIG. 7 , the image fragment management server 800 according to the present invention may include a surgical information receiving unit 810, a surgical image determining unit 820, an image segmentation processing unit 830, and an image transmission processing unit 840. and these components may include programs or program modules that can be executed by one or more processors. Programs or program modules included in the image fragment management server 800 may be configured in the form of an operating system, application program, or program, and are physically stored on various types of widely used storage devices. can be saved as Such a program or program module includes one or more routines, subroutines, programs, objects, components, instructions, data structures, and specific tasks ( It may include various forms for performing tasks) or executing specific data types, but is not limited to these forms.

First, the surgery information receiving unit 810 is configured to receive surgery-related information including information related to the date and time of surgery, surgery target, location of surgery site, and type of surgery from the user terminal 400 or a server or terminal that manages other surgery information. can

The surgical image determination unit 820 is configured to determine a surgical image to be provided to the user terminal 400 as a surgical reference image, and based on the received surgery-related information, among a plurality of surgical images stored in the content server 600, a related surgery is performed. It can be configured to determine the image. In addition, the surgical image determination unit 820 uses the previous history information of the user terminal 400 to determine similarity with reference image information previously used by the user of the user terminal 400 in relation to the type of surgery Among the plurality of surgical images stored in the content server 600, a related surgical image may be determined.

In addition, the surgical image determining unit 820 is based on at least one of movement of surgical tools, amount of blood generated, and degree of change in organs related to the operation by using image analysis of a plurality of slice images through artificial intelligence technology or operator processing. It may be configured to determine at least one main fragment image among a plurality of fragment images, and deliver only the main fragment image among the plurality of fragment images to the cache server 700 . In this way, it is possible to efficiently utilize the limited storage space of the cache server 700 by determining a main fragment image that is determined to be important among a plurality of fragment images and delivering only the main fragment image to the cache server 700. You can use your time efficiently by referring only to the main fragment images in a limited time.

The image segmentation processing unit 830 may be configured to divide the related surgical image determined by the surgical image determining unit 820 into a plurality of fragment images having a predetermined capacity or less. At this time, the plurality of fragment images are sequentially generated based on the timestamp information of each section within the surgical image, and the image fragment management server 800 selects at least one fragment corresponding to the front part of the plurality of sequentially generated fragment images. It may be configured to transfer the image to the cache server 700 through the image transmission processing unit 840 .

The image transmission processing unit 840 is configured to perform transmission processing and transmission schedule management of images to be transmitted to the cache server 700, and based on the proximity to the location of the user terminal 400 or the response speed of each cache server, the user terminal One cache server connected to 400 may be determined. In addition, the image transmission processor 840 may be configured to transmit at least one piece image to the cache server 700 prior to the surgery date and time based on the surgery date information included in the surgery related information.

8 is an exemplary diagram for explaining a method for providing a plurality of image fragments related to surgical images using a cache server according to an embodiment of the present invention.

For example, the scheduled surgery may include two types of surgery and may include a plan to sequentially progress a first surgery image related to the first surgery and a second surgery image related to the second surgery.

First, the first surgical image determined as a reference image in relation to the first surgery may be one in which five image pieces are sequentially generated based on the timestamp information (t1 to t6) of each section, and first, the first surgical image corresponding to the front part The image fragment and the second image fragment may be previously stored in the cache server. At this time, when all of the first video fragments are streamed through the user terminal 400 beyond the point of time t2 and the viewing is completed, the cache server 700 stores subsequent video fragments, such as the third image fragment, the fourth image fragment, and the fifth image fragment. It may be configured to request, receive, and store image fragments from the image fragment management server 800 . By transferring and storing subsequent image fragments to the cache server 700 in advance according to whether or not the divided image fragments are viewed, the user can watch the surgical image without delay.

On the other hand, if the video streaming ends before the time point of t2, which is a predetermined criterion through the user terminal 400, the reference video is determined to be unnecessary and the cache server 700 stores a subsequent video fragment, for example, after the third video fragment. It may be configured not to request an image fragment of . In addition, in order to efficiently manage storage capacity in the cache server 700, corresponding video fragments whose video streaming is terminated before a certain point in time may be determined as not of interest to the corresponding user and all deleted.

In addition, when streaming viewing of the first surgical image is all completed through the user terminal 400, the cache server 700 converts the image fragment of the front part as at least a part of the second surgical image corresponding to the next turn to the user terminal 400. ). At this time, if the image fragment of the front part of the second surgical image is not stored in the cache server 700, for example, before viewing of the first surgical image is finished, for example, at the time of t4 or t5, the cache server 700 It may be configured to request and receive the image fragments of the front part of the surgical image from the image fragment management server 800 and store them in advance.

9 is a flowchart illustrating a surgical image transmission method using a cache server according to an embodiment of the present invention.

First, a plurality of surgical images may be stored in the content server 600 (S910). At this time, the surgical images may include the type of operation, operation target, timestamp information for each section, and tag information together.

The image fragment management server 800 may receive surgery-related information including the date and time of surgery and the type of surgery through the surgery information receiver 810 (S920).

The image fragment management server 800 may determine a related surgical image based on surgery-related information through the surgical image determination unit 820 (S930).

The image fragment management server 800 may divide the surgical image into a plurality of fragment images through the image segmentation processing unit 830 (S940). It may be sequentially generated.

The video fragment management server 800 determines one cache server connected to the user terminal 400 based on the proximity to the location of the user terminal 400 or the response speed of each cache server through the video transmission processing unit 840. Can. (S950)

The determined cache server 700 may receive and store some fragment images of related surgical images from the image fragment management server 800 (S960).

When a surgical reference image is requested from the user terminal 400, some fragment images may be provided as streaming through the determined cache server 700. (S970)

In addition, the remaining fragment images may be requested from the user terminal 400 following partial fragment images, and may be provided as streaming through the cache server 700 (S980). When streaming is performed until a specific ratio is exceeded for fragments of , the cache server 700 requests and receives the remaining image fragments from the image fragment management server 800 and stores them so that the entire image can be viewed without delay. can do.

10 is a conceptual diagram for explaining the configuration of a surgical image transmission system using a cache server according to an embodiment of the present invention.

The surgical image transmission system of FIG. 10 has a surgical step decision server 900 added to the configuration of the surgical image transmission system using the cache server shown in FIG. 6 .

Here, the content server 600 may be configured to store a plurality of surgical images.

The image fragment management server 800 receives surgery-related information including surgery types, divides and stores a plurality of surgical images stored in the content server 600 based on the received surgery-related information based on detailed surgical steps, More can be configured.

The surgical step determination server 900 may be configured to determine sub-surgical steps based on the surgery type of the surgical patient and to determine each image segment associated with each sub-surgical step.

In addition, the surgical step determination server 900 may be configured to determine detailed surgical steps based on record information of a plurality of previous surgical patients who have undergone the same surgery as the surgery type of the surgical patient. In addition, the record information of the previous surgery patient may include at least one of gender, age, surgery time, underlying disease, other surgery history, postoperative prognosis, and surgery recovery period. That is, when determining detailed surgical steps, it is possible to utilize surgical steps and conditions having a good prognosis and recovery period under conditions similar to those of the current patient by using the record information of previous patients.

In addition, the surgical step determination server 900 may be configured to determine a detailed surgical step by combining detailed surgical steps of a plurality of previous surgical patients. For example, by combining the detailed surgical steps of the first previous surgery patient who performed the same surgery as the current surgical patient's surgery type and the different detailed surgical steps of the second previous surgical patient who performed the same surgery as the current surgical patient's surgery type, It can be configured to determine the detailed surgical stage of the current surgical patient.

In addition, the surgical stage determination server 900 may derive the detailed surgical stage having the best prognosis and recovery period under similar conditions of the current patient by utilizing the record information of previous patients using a learning model using artificial intelligence. It can be configured to recommend optimal detailed surgical steps to the current surgical patient through an artificial intelligence learning model.

The cache server 700 receives and stores each of a plurality of image fragments related to each detailed surgical step from the image fragment management server 800, and sends a request to the user terminal 400 for a detailed surgical step image from the user terminal 400. It may be configured to transmit a plurality of image pieces related to detailed surgical steps determined by the surgical step determination server 900 . In this case, among the cache servers 700 , a cache server located in an optimal location may be determined based on proximity to the location of the user terminal 400 or response speed.

In addition, the cache server 700 checks whether or not each image fragment related to each detailed surgical step determined by the surgical stage determination server 900 is stored, and for the image fragments not stored in the cache server 700, the surgical patient's It may be configured to receive and store corresponding image fragments from the image fragment management server 800 based on the surgical schedule. For example, the cache server 700 checks whether or not each image fragment related to each detailed surgical step is stored before the date and time of the surgery patient, for example, 1 hour or 1 day before the surgery, and images for the image fragments that are not stored. By requesting the fragment management server 800 , corresponding image fragments may be stored in advance prior to the date and time of the operation.

The user terminal 400 may be configured to receive a plurality of image fragments based on the detailed surgical steps determined by the surgical step determination server 900 .

11 is an exemplary view for explaining a configuration for recommending detailed surgical steps for a surgical patient according to an embodiment of the present invention.

One operation can be divided into several detailed surgical steps, and image fragments can be divided for each detailed surgical step. In FIG. 11 , it is assumed that patient 1, patient 2, and patient 3 have previously performed the same type of surgery, and patient 4 is scheduled to undergo the same type of surgery.

For example, if you look at the previous surgery record of patient 1, it has detailed surgical steps consisting of three stages, A, B, and C. It has 4 detailed surgical steps. In addition, in the previous surgical record of patient 3, stage E was added after stages A, B, and C, and thus has a total of four detailed surgical stages. In this way, even in the case of the same type of surgery, there are cases in which some detailed surgical steps are added or changed depending on the patient's situation and the surgical situation. it becomes possible

The detailed surgical steps determined by the surgical stage determination server 900 for patient 4 who is scheduled to undergo the same type of surgery as patients 1 to 3 are a combination of the detailed surgical steps of patients 1 to 3, A and D steps. , B, C, and E, including a total of five detailed surgical steps, and images of detailed surgical steps corresponding to these five steps can be provided to medical staff as reference images. The recommendation proposal and decision of such detailed surgical steps can derive the detailed surgical steps with the best prognosis and recovery period under similar conditions of the current patient by utilizing the record information of previous patients using, for example, a learning model using artificial intelligence. , it is possible to find and recommend detailed surgical stage conditions with the best prognosis and recovery conditions in the patient's environmental conditions such as the same gender, similar age, and similar underlying disease.

12 is an exemplary diagram for explaining a method for providing images of detailed surgical steps using a cache server according to an embodiment of the present invention.

Referring to FIG. 12, the detailed surgical stage of patient 4 determined by the surgical stage determination server 900 includes a stage A image, a stage B image, and a stage C image as surgical images of patient 1, and also a surgical image of patient 2. Among them, D-level images may be included.

At this time, the cache server 700 may first check whether the image of step D among the surgical images of patient 1 and patient 2 is stored before the date and time of the surgery patient. For example, as shown in FIG. 12, patient 1 If it is determined that the stage D image determined as the detailed surgical step to be referenced among the surgical images of patient 2 is not stored, even though all the stage A images, stage B images, and stage C images, which are surgical images of patient 2, are stored, the cache server (700 ) may request transmission of the D-stage image among surgical images of patient 2 to the image fragment management server 800 . In this case, based on the surgery schedule of patient 4, the date and time of image transmission may be scheduled so that the stage D image of patient 2 is received and stored in the cache server 700 prior to the date and time of surgery.

Although various methods and systems according to embodiments of the present invention have been described as various specific embodiments, this is only an example, and the present invention is not limited thereto, and is intended to have the widest scope according to the basic ideas disclosed herein. should be interpreted A person skilled in the art may implement a pattern of a shape not indicated by combining or substituting the disclosed embodiments, but this also does not deviate from the scope of the present invention. In addition, those skilled in the art can easily change or modify the disclosed embodiments based on this specification, and it is clear that such changes or modifications also fall within the scope of the present invention.

100: medical imaging unit
200: medical image management server
300: blockchain network
400: user terminal
500: network
600: content server
700: cache server
800: video fragment management server
900: surgical stage determination server

Claims (9)

In the surgical image transmission system using a cache server,
A content server configured to store a plurality of surgical images;
an image piece management server configured to receive surgery-related information including a date and time of surgery and a type of surgery, and to determine a related surgery image among a plurality of surgical images stored in the content server based on the surgery-related information; and
A cache server configured to receive and store at least a portion of the related surgical images from the content server, and transmit at least a portion of the surgical images to the user terminal when there is a request for a reference image from the user terminal.
including,
The cache server is determined based on proximity to the location of the user terminal or response speed among a plurality of cache servers,
The image fragment management server is configured to divide the related surgical image into a plurality of fragment images having a predetermined capacity or less,
The plurality of fragment images are sequentially generated based on timestamp information of each section within the surgical image, and the image fragment management server stores at least one fragment image corresponding to the front part of the plurality of fragment images to the cache server. It is configured to deliver to,
When the at least one fragment image is streamed from the user terminal at a predetermined ratio or more, the cache server requests the remaining fragment images excluding the front portion of the plurality of fragment images from the image fragment management server and receives the remaining fragment images. And to be configured to store, surgical image transmission system. delete delete The surgical image transmission system according to claim 1, wherein the image fragment management server is configured to transmit the at least one fragment image to the cache server before the date and time of the surgery based on the date and time of the surgery. The method of claim 1, wherein the image fragment management server is configured to determine a related surgical image among a plurality of surgical images stored in the content server based on a similarity determination with reference image information previously used in the user terminal. , surgical image transmission system. delete The method of claim 1, wherein, when all of the plurality of fragment images are streamed in the user terminal, the cache server is configured to transmit at least a part of second surgical images corresponding to the next sequence of the transmitted surgical images to the user terminal. What is configured, the surgical image transmission system. The method of claim 1 , wherein at least one main fragment image is selected from among the plurality of fragment images based on at least one of a movement of a surgical tool, an amount of blood generated, and a degree of change in an organ related to a corresponding operation through image analysis of the plurality of fragment images. And the image fragment management server is configured to deliver a main fragment image of the plurality of fragment images to the cache server. In the surgical image transmission method using a cache server,
Storing a plurality of surgical images in a content server;
Receiving surgery-related information including a date and time of surgery and a type of surgery from an image fragment management server, and determining a related surgery image among a plurality of surgical images stored in the content server based on the surgery-related information;
determining a cache server connected to the user terminal from among a plurality of cache servers based on proximity to the location of the user terminal or response speed;
receiving and storing at least some of the related surgical images from the content server in the cache server; and
Transmitting, in the cache server, at least a part of the surgical image to the user terminal when there is a request for a reference image from the user terminal
including,
The image fragment management server is configured to divide the related surgical image into a plurality of fragment images having a predetermined capacity or less,
The plurality of fragment images are sequentially generated based on timestamp information of each section within the surgical image, and the image fragment management server stores at least one fragment image corresponding to the front part of the plurality of fragment images to the cache server. It is configured to deliver to,
When the at least one fragment image is streamed from the user terminal at a predetermined ratio or more, the cache server requests the image fragment management server for fragment images other than the front portion of the plurality of fragment images, and receives the remaining fragment images. And a surgical image transmission method further comprising the step of storing.

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