166 results about "Capsule Endoscopes" patented technology

The utility model belongs to the technical field of medical instruments and equipment, and discloses a cover plate assembly, a minicell and a capsule endoscope, the cover plate assembly comprises a cover plate, a pole structure and a sealing ring, the cover plate is used for sealing an opening and is in sealing fit with the side wall of the opening, so that sealing is formed between the cover plate and a shell; a sealing ring accommodating groove is formed in the peripheral side wall of the pole structure; the sealing ring is arranged on the peripheral side wall of the pole structure, is accommodated in the sealing ring accommodating groove and is in sealing fit with the sealing ring accommodating groove, so that the sealing performance between the sealing ring and the pole structure is enhanced, the position of the sealing ring relative to the pole structure is fixed, the assembly is convenient, and the service life is prolonged. The outer peripheral side wall of the sealing ring is in sealing fit with the inner peripheral side wall of the cover plate, so that the inner side and the outer side of the sealing ring can form good sealing with the pole structure and the cover plate respectively, liquid leakage is avoided, meanwhile, a traditional glass sealing structure is replaced by the sealing ring, and the machining and precision control difficulty can be reduced.

The invention relates to the technical field of medical instruments, in particular to a capsule endoscopy focus automatic identification and positioning system. The system comprises an image acquisition module, an intelligent analysis module and a space positioning module. The image acquisition module receives an alimentary canal image sequence captured by the capsule endoscopy; the intelligent analysis module is integrated with a pre-trained deep convolutional neural network, analyzes the image frame by frame, and outputs a pixel-level segmentation mask identifying the contour and type of the focus; and the spatial positioning module estimates the pose of the capsule endoscopy and constructs a topological map of the inner wall of the digestive tract by analyzing the motion of feature points in the image sequence and combining a visual odometer and a graph optimization SLAM algorithm, and finally maps the recognized focus to specific coordinates of the map. According to the invention, automatic identification and accurate positioning of the nidus of the digestive tract are realized.

The present disclosure provides a digestive cavity inner wall three-dimensional model reconstruction method and apparatus, a device, and a medium. The method comprises: acquiring an image set collected by a capsule endoscope inside a digestive cavity; determining, in the image set, a plurality of first image frames formed under the influence of digestive cavity wall peristalsis, and determining a folded area in each first image frame; restoring the folded area in each first image frame into a smooth area to obtain a plurality of processed first image frames; and obtaining a digestive cavity three-dimensional model on the basis of the plurality of processed first image frames. The folded areas in the plurality of first image frames, influenced by digestive cavity wall peristalsis, in the image set are restored into the smooth areas, so that more stable images are obtained; and three-dimensional model construction is performed on the basis of these stable images, facilitating the construction of more accurate digestive cavity models, helping doctors to determine the lesions of patients more accurately, and improving the medical treatment efficiency and satisfaction of the patients.

A system for imaging one or more particular structures in the stomach within a workspace is provided. In one embodiment, the system comprises: a) an active capsule endoscope positionable in the stomach, comprising a camera, an inertial measurement unit, and a permanent magnet; the driving unit comprises a Hall sensor array located at the bottom of the working space and a plurality of magnetic field generators used for generating expected magnetic fields; and c) a control unit.

The utility model discloses an antenna positioning structure, an antenna structure and a double-lens capsule endoscope, and relates to the technical field of capsule endoscopes, and the antenna positioning structure comprises a positioning part which is arranged between two circuit boards and comprises an upper positioning part and a lower positioning part which are respectively clamped with a first circuit board and a second circuit board in a limiting manner, the upper positioning part and the lower positioning part are fixedly connected, and an arc-shaped bulge is arranged on one side, facing the upper positioning part, of the lower positioning part; the supporting part comprises a supporting ring, one end of the supporting ring abuts against the lower positioning part, the inner ring of the supporting ring further abuts against the arc-shaped outer side wall of the arc-shaped protrusion, the other end of the supporting ring extends towards the upper positioning part, and the antenna is arranged on the periphery of the supporting ring used for limiting the antenna in a sleeving mode. The risks of antenna deformation, displacement and the like after antenna assembly can be reduced, the stability of antenna signals is improved, and the capsule assembly difficulty is reduced.

A medical image processing system according to the present invention comprises: a communication unit for receiving photographic images captured by a capsule endoscope; and a processing unit for generating a read image from the photographic images by using results of a lesion model trained through lesion classification, wherein the processing unit applies the photographic images to a pre-trained abnormal lesion classification model so as to classify images including a preset lesion, then re-classifies the classified images into lesion images and normal images, selects a representative image representing the lesion images from the classified lesion images, and generates the selected representative image as the read image.

The invention relates to the technical field of image processing, in particular to a small intestine capsule endoscope target detection method which comprises the following steps: acquiring a small intestine capsule endoscope image; the method comprises the following steps: constructing an improved RT-DETR network, inserting an SCSA module between a backbone network and a neck network of the RT-DETR, and introducing a DFM module behind a three-branch Fusion module of the neck network; and the improved RT-DETR network adopts a Focaler-IoU loss function. According to the method, the problem that the accuracy of recognizing the tumor target by using the small intestine capsule endoscope image through RT-DETR needs to be further improved is solved.

The utility model provides a control circuit of a capsule endoscope system, which comprises a protection unit and a working unit, two ends of the protection unit are respectively connected with a power supply and the working unit, and the protection unit comprises a fuse, a leakage protection switch, a reactor, a filter and an isolation transformer which are connected in series. The reactor is closer to the power supply than the isolation transformer. According to the control circuit of the capsule endoscope system, the safety of the control circuit can be improved.

The present application relates to the field of medical equipment, and in particular to an endoscopic imaging device, an imaging system, and a method thereof having a diagnostic imaging device. The device comprises: a diagnostic imaging device, an external control device, and an ingestible capsule endoscope. The external control device is used to control the position and / or posture of the capsule endoscope within a target area; the diagnostic imaging device is disposed within the capsule endoscope and is used to perform diagnostic imaging of the target area under the control of the external control device. The endoscopic imaging device and the imaging method thereof provided in the present application utilize a diagnostic imaging device to examine the target area without the need for a tissue biopsy, thereby not only improving the accuracy of the examination of the lesion area, but also reducing the risk of infection in the patient.

The present invention relates to a chair-based capsule endoscope control device and system for controlling a capsule endoscope that is inserted into the human digestive system and acquires images of organs. The present invention provides a capsule endoscope control device that is inserted into the digestive tract of a subject and controls the position or posture of a capsule endoscope equipped with a magnet. The device comprises: a chair for the subject to sit on, comprising a seat portion and a backrest connected to the seat portion; and a magnet controller disposed on the backrest. The magnet controller includes a control magnetic force generator for adjusting the position or posture of the capsule endoscope, wherein the control magnetic force generator is movable in at least one direction.

According to aspects of the present disclosure, a system includes at least one processor and at least one memory storing instructions that, when executed by the processor(s), cause the system to: obtain images of a portion of a gastrointestinal tract (GIT) captured by a capsule endoscopy device; for each of the images, provide, by a deep learning neural network, a score classifying the image into each of successive segments of the GIT; classify each image of a subset of the images for which the score meets a confidence criterion into one of the successive segments of the GIT; refine the classification of the images in the subset by processing signals corresponding to the classification of the images in the subset over time; and estimate, among the images in the subset, a transition between two adjacent segments of the GIT based on the refined classification of the images in the subset (1010).

The present disclosure describes a communication system and a communication method for receiving data of a capsule endoscope, the communication system comprising a receiving device and a processing device, the receiving device comprising a plurality of receivers in communication connection with each other, the capsule endoscope processing image data into a plurality of data packet sets, each data packet set comprises at least one data packet and the number information of the data packets, the capsule endoscope sends the plurality of data packet sets to each receiver in sequence, and the receivers receive the plurality of data packet sets in sequence and identify the integrity of the data packets to generate an identification result; the receiver judges the integrity of the data packet set based on the identification result and the quantity information to generate a target instruction and broadcasts the target instruction to other receivers in the processing device and the receiving device, and at least one receiver transmits the data packets to the processing device based on the target instruction to enable the processing device to obtain the complete data packet set. As a result, it is possible to provide a communication system for receiving data of a capsule endoscope, which improves the efficiency of receiving image data.

The invention provides a capsule endoscope image recording system and a data processing method thereof. The recording system comprises an antenna array module and a data recorder host, the antenna array module comprises a plurality of antenna units, and each antenna unit is configured to receive an image radio frequency signal sent by the capsule endoscope. Converting the image radio frequency signal into an image digital signal and detecting the intensity of the image radio frequency signal to generate an intensity digital signal; and the data recorder host is configured to perform weighted fusion processing on the image digital signal and the intensity digital signal of each antenna unit to obtain a comprehensive bit value, and determine a current bit value according to a size relationship between the comprehensive bit value and a threshold value. According to the system, all channel signals are input and weighted, and severe error rate fluctuation and even connection failure during rapid signal fluctuation can be resisted.

A suspension device and a capsule endoscope magnetic control system are provided. The suspension device includes a base, including a pairing portion; a suspension member, at least part of the suspension member is disposed within the base; an intermediate member, which is disposed on an upper end of the suspension member; and an adsorption component, which is disposed above the intermediate member. When the adsorption component has no adsorption force, the intermediate member is pressed against the upper end of the suspension member so that at least part of the suspension member abuts against the pairing portion and the suspension member is locked. When the adsorption component has the adsorption force, the intermediate member is driven to move vertically so that at least part of the suspension member is separated from the pairing portion and a posture of the suspension member is appropriate for adjustment.

The invention discloses a self-adaptive recognition system for medical capsule endoscope streaming images, and the system comprises a feature extraction module which is used for receiving a real-time image stream obtained in a scanning process, and extracting the features of a current frame image; the feature buffer comprises a feature slot position and an activeness counter, the feature slot position is used for storing stock features of the scanned intestinal tract area image, and the activeness counter is used for recording the activeness of the feature slot position; the updating module is used for updating the activeness of the feature slot position; the gain adjusting module is used for generating a gain weight aiming at the current frame image through bidirectional biological plasticity adjusting logic; the training optimization module is used for injecting the gain weight into a loss calculation loop of the classifier module and correcting physical parameters of a classifier in real time through back propagation; and the classifier module is used for outputting a prediction classification result according to the current frame image features. According to the method, the problem of model performance degradation caused by non-uniform motion states of the capsule endoscope can be relieved, and the prediction accuracy is improved.

The present disclosure generally relates to a compact, conformal space-filling antenna system integrated within an ingestible capsule endoscope. The system utilizes a coplanar waveguide (CPW)-fed antenna, featuring a notched ground plane, a meandering radiating patch, and a parasitic patch, both designed in a serpentine pattern. This configuration enables operation at two distinct frequency bands: approximately 0.915 GHz with a 150 MHz bandwidth and 2.4 GHz with a 350 MHz bandwidth. The capsule houses a central processing unit for data transmission and sleep / wake-up functionality, powered by an internal battery. The antenna's conformal design maximizes space utilization within the cylindrical capsule, ensuring efficient wireless communication for medical diagnostic applications.

The present invention relates to a capsule endoscope and an assembly method thereof. The capsule endoscope includes a PCB assembly, a functional unit, and a battery unit electrically connected to the PCB assembly. The capsule endoscope also includes a fixture for securing the PCB assembly, the functional unit, and the battery unit. The fixture effectively secures the PCB assembly, the battery unit, and the functional unit, preventing components from falling off during operation. This ensures good structural stability and electrical contact, thereby enhancing the operating efficiency and detection accuracy of the capsule endoscope.

The invention discloses a capsule endoscope control method. The method comprises the following steps that a central computer G issues a command to gateway equipment; the gateway equipment issues the command to the capsule endoscope; judging whether the command issuing is successful or not, if the command issuing is failed, returning to the previous step to re-issue the command, and if the command issuing is successful, receiving the command of the equipment by the capsule endoscope and successfully handshaking with the equipment; furthermore, image transmission is executed between the capsule endoscope and the equipment, and the image is synchronously fed back to the gateway equipment. The invention further provides a capsule endoscope control system and device and a storage medium. By means of the capsule endoscope control system, method and device and the storage medium, multiple capsule endoscopes can be operated at the same time for auxiliary inspection, the site is saved, data transmission is stable and reliable, and the problem of frequency interference is solved.

The present invention provides a lens base, wherein a downwardly protruding protrusion is provided at the center of the lower surface of the lens base, and a first groove for engaging with a photosensitive chip is provided at the center of the protrusion; at least two positioning posts are further provided on the bottom surface of the lens base, and the positioning posts are adapted to engage with a first PCB board provided on the lower surface of the lens base; and an upwardly protruding protrusion is provided at the center of the upper surface of the lens base, and an internal thread for engaging with a lens is provided at the center of the protrusion. A capsule endoscope using the above-mentioned lens base is further provided, and the capsule endoscope further includes a second PCB board and a third PCB board located at both ends of a battery, and conductive elastic components are provided on the surfaces of the second and third PCB boards near the battery to connect the positive and negative poles of the battery, and an insulating sleeve is covered on the outer surfaces of the second and third PCB boards and the battery. The lens base and capsule endoscope of the present invention are easy to assemble, have a stable structure, and effectively solve problems such as stray light, black edges, and reflections in images.

This application provides a method, device, storage medium, and computer equipment for screening redundant images from a gastrointestinal capsule endoscopy image set. The screening method includes: identifying feature points in each frame of a gastrointestinal capsule endoscopy image set; matching feature points between adjacent frames to obtain matching feature points and a feature matching rate; calculating the relative motion distance between adjacent frames based on the matching feature points; performing feature distribution difference analysis on adjacent frames to obtain a difference degree; calculating the redundancy degree of adjacent frames based on the feature matching rate, relative motion distance, and difference degree; and removing or retaining the next frame in the adjacent frames based on the redundancy degree. This screening method comprehensively considers multiple factors and dynamically adjusts the screening conditions to adapt to different scenarios, improving the accuracy and effectiveness of redundant image screening.

The application discloses a medical report automatic generation method and system based on a capsule endoscope, comprising: acquiring a capsule endoscope video, and removing redundant frames of the capsule endoscope video to obtain a plurality of representative frames; inputting each representative frame into a preset detection model to determine an initial key frame and a classification result, and using the classification result to finely shrink the initial key frame to obtain a plurality of target key frames; inputting each target key frame into a preset multi-modal model to extract a corresponding first visual feature, and splicing the first visual feature with a text feature to obtain an initial text description; iteratively predicting the initial text description until a first iteration termination condition is met, and outputting a target text description; inputting the target text description into a large language model, using a self-recurrence method to gradually predict a first word segmentation sequence until a second iteration termination condition is met, and generating a corresponding structured medical report based on the second word segmentation sequence. The application can automatically generate a diagnosis report.

This invention discloses a shielding device and a magnetically controlled capsule endoscope system. The shielding device is used to shield a strongly magnetic control component supported by a support frame. It includes a shielding cover and a lifting mechanism. The shielding cover is connected to the lifting mechanism, which drives the shielding cover to slide towards or away from the control component. The shielding device also includes a limiting structure that contacts the control component and / or the support frame to restrict movement of the control component supported by the support frame. This invention effectively shields the magnetic field of the control component by using a shielding device.

The invention provides a magnetic control capsule endoscope robot with a puncture biopsy taking function. Comprising a biopsy puncture needle module located at the front end, a capsule shell module, a fixing leg located at the tail end, a waterproof plug, a cam, a height-variable rotating ring device, an internal magnet, a camera module, a positioning pin, a positioning pin, a spring, a rotating table device and an external magnet. A traditional enteroscopy mode is replaced, and the workload of enteroscopy doctors and the pain degree of patient examination are reduced.

The present invention discloses a photoacoustic capsule endoscope and an imaging method. The photoacoustic capsule endoscope includes an optical path folding component, an optical collimating and focusing component, a miniaturized internal scanning component, a port connection component, and a multi-angle imaging probe. The multi-angle imaging probe can be quickly and conveniently replaced through the port connection component to adapt to different types of internal cavities or cavity walls such as the esophagus, rectum, and cervix. By designing the internal structure of the imaging probe and introducing new devices, the device can achieve a miniaturized size of 5mm in diameter and 15mm in hard length, meeting the needs of high-degree-of-freedom, rapid, and non-destructive imaging in the body, expanding the detectable area and imaging depth, avoiding the influence of motion artifacts and image distortion, reducing clinical use costs, and realizing multi-angle full-space endoscopic imaging.

A medical image processing system according to the present invention includes a communication unit configured to receive images captured from a capsule endoscope; and a processing unit configured to generate readout images from the captured images using lesion model results trained by a lesion classification method, wherein the processing unit configured to apply the captured images to a pre-trained abnormal lesion classification model to classify images containing pre-set lesion, reclassify the classified images into lesion images and normal images, select representative images representing the lesion images from the classified lesion images, and generate the selected representative images as the readout images.

The utility model discloses a double-lens capsule endoscope and a double-lens capsule endoscope shell, and relates to the technical field of capsule endoscopes. The double-lens capsule endoscope shell comprises a barrel-shaped main shell with openings in the two ends, and an axial limiting protrusion is arranged at only one end of the inner circumferential face of the main shell in the axial direction so as to axially limit a capsule core installed in the main shell from the other end in the axial direction. When the capsule core is applied to the double-lens capsule endoscope, the capsule core enters from the end, not provided with the axial limiting protrusion, of the main shell till the capsule core axially moves to abut against the axial limiting protrusion. At the moment, the main shell can axially position the capsule core in the assembling process based on the structure of the main shell, the capsule core is prevented from being separated from the end, provided with the axial limiting protrusion, of the main shell, the assembling difficulty of the capsule endoscopy can be lowered, and therefore the production efficiency is improved.

This application discloses a clamping tool and clamping system suitable for assembling capsule endoscopes. The clamping tool includes a base and a suction cup. The base includes a first end face and a second end face facing away from each other axially. A groove is provided on the first end face, and the base has a vent hole connecting the groove wall to the second end face. The suction cup is mounted on the first end face, at least covering the groove to form an adsorption space with the groove wall. The suction cup has a vent hole communicating with the adsorption space. When a vacuum is evacuated from the adsorption space through the vent hole, the suction cup pulls the capsule optical front cover to adhere to the groove wall. When the vacuum is broken from the adsorption space through the vent hole, allowing the suction cup to return to its initial state, the suction cup separates from the groove wall, and under the action of gravity, at least a portion of the suction cup protrudes from the first end face in a direction away from it. Through this method, this application can improve the assembly accuracy and optical imaging quality of capsule endoscopes.

The utility model discloses a capsule endoscopy, and relates to the technical field of medical instruments. The capsule endoscopy comprises a shell and a capsule core; a first shaft end of the capsule core is provided with a first light source; the shell comprises a first shell body, a first baffle is arranged at the first shaft end of the first shell body, a mounting opening is formed in the second shaft end of the first shell body, a first inserting hole is formed in the first baffle in the axial direction in a penetrating mode, and the first inserting hole corresponds to the first light source. The capsule core can be axially inserted into the first shell through the mounting opening, and only when the capsule core rotates to a set angle relative to the first shell, the first light source can be axially matched and inserted with the corresponding first inserting hole. Due to the fact that the first inserting hole is through in the axial direction, the position of the first light source on the capsule core can be observed from the outer side, convenience is provided for assembly between the capsule core and the first baffle, and the assembly efficiency of the capsule endoscopy can be improved. Only when the capsule core rotates to a set angle relative to the first shell, the first light source can be matched and inserted with the corresponding first insertion hole along the axial direction, so that fool-proof arrangement is realized.

The utility model discloses a pneumatic suspension capsule endoscope, and relates to the technical field of medical instruments, the pneumatic suspension capsule endoscope comprises a shell and an elastic film device, the shell is provided with a camera, a battery and a circuit board, and the shell is filled with a gas medium; the elastic membrane device is arranged in the shell, the interior of the elastic membrane device is communicated with the shell, and when the gas medium enters the elastic membrane device, the elastic membrane device expands, so that the shell obtains lift force, and suspension is achieved. According to the pneumatic suspension capsule endoscope, the defect that the position and the posture of a traditional capsule endoscope cannot be accurately controlled is effectively overcome through a pneumatic suspension mechanism, and the flexibility and the accuracy of digestive tract examination are improved.

The application discloses a sealing device, comprising a front shell and a tail cover, the front shell and the tail cover are respectively provided with a first connecting part and a second connecting part, the first connecting part is provided with a first end face and a first inner side wall, the second connecting part is provided with a second end face, a step face and a second outer side wall, the first connecting part and the second connecting part are connected with each other through threads, a sealing ring is arranged between the first connecting part and the second connecting part, the sealing ring has a first part and a second part, the first part and the second part are integrally formed, the second part extends into the space of the contact part of the first connecting part and the second connecting part, the sealing ring of the application is pressed more and more in the axial and radial directions of the capsule endoscope during assembly, so that the sealing ring is tightly contacted with the end face and the side face of the connecting part, and the double sealing effect is achieved, and the sealing performance is more reliable.