1001results about "Rectum signoidoscopes" patented technology

To provide an endoscope system for calculating a region of a subject with a high degree of recognition precision while performing endoscopic observation, and to provide an operation method thereof.SOLUTION: An endoscope system 10 includes an endoscope 11, an air supply device 16, and a processor. The processor controls emission of illumination light for illuminating a subject S and measurement light for measuring a distance between a plurality of places of the subject S and the endoscope 11. The measurement light is emitted with a first air supply amount, the subject S is imaged by emitting or turning off the illumination light with a light amount suppressed with respect to the measurement light, and a region of the subject S is calculated from acquired first distance information. The measurement light is emitted with a second air supply amount, the subject S is imaged by emitting or turning off the illumination light with a light amount suppressed with respect to the measurement light, and a region of the subject S is calculated from acquired second distance information.SELECTED DRAWING: Figure 7

This specification describes systems and methods for performing endoscopy, obtaining medical images for inflammatory bowel disease (IBD) and scoring severity of IBD in patients. The methods and systems are configured for using machine learning to determine measurements of various characteristics related to IBD. The methods and systems may also obtain and incorporate electronic health data of patients along with endoscopic data to use for scoring purposes.

The invention relates to the technical field of data visualization, in particular to a multi-modal fusion anorectal data visualization analysis method and system, and the method comprises the following steps: synchronously collecting an anorectal image and a pressure signal, aligning a timestamp, carrying out the preprocessing, outputting a standardized image and a coded physiological signal, and extracting edge and texture features. After LSTM coding, splicing with image features, and fusing into a joint feature map; generating a multi-scale heat map by the feature pyramid network, and coarsely positioning a lesion; after boundary optimization, U-Net recovers details, and a pixel-level lesion probability graph is output; superposing the Jet color gradation to the original image in a semitransparent manner, and marking a pressure abnormal time period; and performing weighted scoring to generate a fourth-level clinical suggestion. According to the anorectal disease diagnosis method, through multi-modal space-time alignment, multi-scale feature fusion, boundary optimization and a quantitative scoring system, the problems of data splitting, insufficient precision and low efficiency of a traditional method are solved, a high-precision and high-robustness intelligent diagnosis tool is provided for anorectal diseases, and the scientificity and efficiency of clinical decision making are remarkably improved.

The invention relates to a painless gastrointestinal endoscope self-adaptive drug delivery method and system based on multi-source physiological signal fusion, and belongs to the technical field of medical artificial intelligence and automatic control. An artificial intelligence model is utilized to deeply extract features and quantitatively evaluate the sedation-analgesia level of a patient, a pharmacokinetics-pharmacodynamics model constructed by a big data platform is utilized to dynamically predict the drug effect according to the individual features and real-time state of the patient, and the anesthetic infusion rate is automatically and accurately adjusted through a closed-loop control algorithm, so that the patient can be accurately infused. Personalization and self-adaption of drug delivery are achieved, an independent safety monitoring mechanism is set, and real-time intervention is conducted on risk events such as respiratory depression. The problems that traditional anesthesia depends on artificial experience, single parameter monitoring is not comprehensive and individualized dynamic adjustment is lacked can be effectively solved, and the safety, comfort and medical efficiency of painless gastrointestinal endoscopy are remarkably improved.

Described herein are methods and apparatuses for reducing the curvature of a body lumen, such as a colon, using a robotic system. In particular, described herein are methods and apparatuses for reducing curvature of a body lumen (e.g., colon) using apparatuses comprising one or more, including two or more, elongate rigidizable members. The elongate rigidizable members may be arranged telescopically and may be activated by applying positive pressure and / or vacuum.

The invention discloses a constipation patient defaecation device and mobile terminal integrated system based on endoscope visualization and air bag assistance, and relates to the technical field of medical instruments, the constipation patient defaecation device comprises a display terminal, a connecting line, an operating handle and a comprehensive pipe, and the two ends of the operating handle are connected with the connecting line and the comprehensive pipe respectively. According to the non-invasive, high-safety and portable constipation patient defecation device, through the integrated design of endoscope real-time visual positioning, air bag auxiliary mechanical defecation and mobile terminal data interaction, the invasive operation pain is reduced, the defecation time is shortened, the complication risk is reduced, and the constipation patient defecation efficiency is improved. The pressure sensor monitors the internal pressure of the air bag in real time and feeds back the internal pressure to the dynamic pressure upper limit module and the mobile terminal in real time, and double protection of a hardware pressure release valve and software pressure limiting is triggered when the pressure exceeds the limit. The problems of high intestinal injury risk, low treatment efficiency, limited application scene and the like caused by operation blindness, function singleness or high invasiveness in the prior art are solved.

The utility model provides a tube with a sacculus and a sacculus auxiliary system, the tube with the sacculus comprises an outer tube and i sacculus sections arranged on the outer tube, and i is a positive integer; each balloon section comprises more than two balloons which are sequentially arranged along the axial direction of the outer tube; the radial size of the balloon along the outer tube is enlarged when the balloon is filled and is reduced when the balloon is emptied; the total number of the balloons in all the balloon sections is not less than 3; wherein in each balloon section, all the balloons are isolated from one another, and all the balloons are configured to form fluctuations transmitted in the axial direction of the outer tube through filling and emptying. According to the configuration, all the balloons in each balloon section are isolated from one another and are configured to form fluctuation transmitted in the axial direction of the outer tube through filling and emptying, so that the intestinal canals can be flexibly and efficiently nested, the nesting amplitude of the intestinal canals is small, and the risk of intestinal wall injury can be reduced. In addition, operation is easy and convenient, efficiency is high, and operation time can be shortened.

The utility model relates to the technical field of enteroscopy detection, in particular to an anal dilatation device for enteroscopy detection in the gastroenterology department, which comprises a sleeve, extending petals which are symmetrically distributed are arranged at one end of the sleeve, and connecting plates which are symmetrically distributed are fixedly mounted at the ends, close to the sleeve, of the two extending petals. And the extending petals are hinged to the outer wall of one end of the sleeve through connecting plates. According to the enteroscope detection anal dilatation device for the gastroenterology department, through cooperative use of the sleeve, the stretching valve, a reset spring, a fixing block, a pull rope, a winding frame, a supporting plate, a mounting groove, a worm gear, a fixing cavity, a worm, a gear, a motor, a connecting plate and a transmission shaft, in the use process, the stretching valve is opened and closed through mechanical driving, and in the actual operation process, the stretching valve is not prone to falling off; a doctor can easily achieve the effect of expanding the anus of a patient only by controlling opening and closing of the stretching-in valve through the control button, manual adjustment of a mechanical structure is not needed, and the workload of the doctor is reduced.

The invention discloses a medical laser apparatus, an endoscope controller, and a medical system. The medical laser apparatus includes: an energy guide; a first energy source configured to generate energy for treating the target tissue through the energy guide; a light source having at least two illumination modes for providing illumination to the target tissue; a second energy source, different from the light source, configured to emit a first aiming beam and a second aiming beam through the energy guide towards the target tissue, the second aiming beam having at least one characteristic different from the first aiming beam; and a controller comprising hardware, the controller configured to: receive a signal indicative of an illumination mode of the at least two illumination modes that currently illuminates the target tissue; selecting an aiming beam from the first aiming beam and the second aiming beam based on a current illumination mode for illuminating the target tissue; and controlling the second energy source to emit the selected aiming beam to the target tissue.

The invention provides a multi-target-point drug release magnetic drive capsule robot, and relates to the field of medical equipment, the multi-target-point drug release magnetic drive capsule robot comprises an outer sleeve, the side wall of the outer sleeve is provided with a plurality of first drug discharge holes, and the first drug discharge holes are spirally arranged; the inner sleeve is coaxially and rotatably arranged in the outer sleeve, one end of the inner sleeve is fixedly connected with a medicine discharging magnet, a plurality of medicine bins are arranged in the inner sleeve, a plurality of second medicine discharging holes communicated with the different medicine bins are formed in the side wall of the inner sleeve, and the multiple second medicine discharging holes are collinear; the reset mechanism is used for driving the inner sleeve to reset to the initial position; and the walking mechanism is arranged on the outer sleeve and used for driving the outer sleeve to move. According to the capsule endoscope, the inner sleeve is controlled to rotate relative to the outer sleeve through an external magnetic field, and multi-target, multi-time and multi-drug combined drug application of the capsule endoscope is achieved.

In an endoscopy support device, a display control means superimposes and displays a lesion guide for specifying a lesion in an endoscopic image. An acquisition means acquires the endoscopic image. An analysis means segments a lesion region from the endoscopic image based on the endoscopic image and the lesion guide. An output means outputs the lesion region segmented. The endoscopy support device can support decision making by a user in the field of healthcare.

Various techniques are described for analyzing video recordings for endoscopic medical imaging and other types of medical imaging. In some examples, a system generates intelligent interest prediction metrics displayed in association with a timeline search bar of a video recording. The intelligent interest prediction metrics are quantized and scored on a time axis based on one or more parameters. In other examples, the system intelligently selects key frames from different video segments for display as thumbnails associated with the segments. These techniques can improve efficiency, accuracy, and speed, with which doctors can examine and identify important aspects of recorded endoscopic procedures.

Devices for improving adenoma detection during a colonoscopy and, more particularly, to devices positionable at a distal end of an endoscope and structured or configured to expand and retract upon longitudinal or rotational displacement of at least a portion of the device about the endoscope.

A system for performing minimally invasive procedures in a body lumen of a patient including a flexible catheter having a first lumen configured and dimensioned to receive an endoscope therethrough and a second lumen configured and dimensioned to receive a first flexible tube therethrough. The first flexible tube is movable through the second lumen and has a distal portion including a first curve extending in a first direction with respect to the longitudinal axis and a second curve extending in a second different direction with respect to the longitudinal axis. A retractor system is positioned at a distal portion of the catheter and is movable from a non-expanded insertion position to an expanded position forming an expanded cage to form a larger working space. The distal portion of the first flexible tube is movable within the expanded cage.

The present invention relates to an endoscopic probe for photoacoustic tomography of cavity side walls, characterized by comprising a hollow tubular probe housing with a closed front end; N acoustic wave receiving windows and M laser output windows formed on the side wall of the tubular probe housing; an array of linear laser output ports connected to a pluggable optical fiber connector via an optical fiber bundle; and an ultrasonic transducer array connected to a multi-channel signal connector via a signal harness. The present invention employs a method of arranging array transducers and array laser outputs on the side wall of the probe, eliminating the need for a reflector. The probe is less than 2 centimeters in size and can be placed in close proximity to the prostate through the rectum for photoacoustic imaging of the prostate, or in close proximity to the inner wall of the rectum for photoacoustic imaging of the inner wall of the rectum. The endoscopic probe provided by the present invention, combined with a photoacoustic imaging system host, utilizes photoacoustic endoscopic imaging technology to perform real-time transrectal prostate imaging and rectal imaging, achieving ideal imaging results.

Methods, devices and systems are described that enable identification of cancerous or pre-cancerous colon tissue. The described methods and systems rely on non-imaging. randomly sampled second harmonic generation (SHG) intensity measurements that are sufficient for differentiating between tumor and normal tissue. The disclosed methods and system further provide for angle-resolved SHG measurements associated with forward and backward scattered light that eliminate the need to obtain paired normal and cancer-suspicious measurements in each patient using the described techniques.

The intestinal flora collector comprises a collection mechanism used for collecting flora, the collection mechanism comprises a mirror tube, a sampling hole is formed in the lower end of the mirror tube, a plurality of LED lamps and a camera are installed at the edge of the outer side of the sampling hole, the lower end of the mirror tube is rotationally connected with an electric drive cover, and the electric drive cover is connected with a power source. A sampling hole is formed in the upper end of the base, a sampling column is slidably connected into the sampling hole, two matched arc-shaped collectors are rotatably connected to the lower end of the sampling column, a cavity is formed in the sampling column, two rotating shafts are rotatably connected into the cavity and are in transmission connection through a first gear set, and unfolding wheels are coaxially and fixedly connected to the outsides of the two rotating shafts; an unfolding line is wound outside the unfolding wheel, and the end, away from the unfolding wheel, of the unfolding line penetrates through the collecting column in a sliding mode and is fixedly connected with the two arc-shaped collectors. According to the invention, the bacterial flora is not polluted by other microorganisms during collection, and the biological activity and stability of the bacterial flora are maintained during preservation of the bacterial flora.

The pneumatic soft robot comprises a front air bag, a corrugated pipe and a rear air bag which are sequentially and coaxially connected, the front air bag, the corrugated pipe and the rear air bag are all provided with independent ventilation air paths, and the front air bag and the rear air bag can achieve radial volume expansion by means of inflation. Therefore, anchoring in the small intestine is achieved, and the corrugated pipe can stretch out and draw back in the axial direction by means of air inflation. Different from a previous intestinal tract detection pneumatic robot, the core idea of the invention is that the small intestine is dragged by using the pneumatic robot, the robot does not need to crawl in the small intestine, a traditional enteroscope outer sleeve operation mode can be replaced, and medical personnel can conveniently carry out related detection.

Improved methods and devices for performing an endoscopic surgery including a system for performing minimally invasive procedures including a flexible catheter having a first lumen, a first flexible tube positioned in the first lumen, and a second flexible tube positioned in the first lumen. The first lumen defines a first space configured and dimensioned to receive an endoscope. The first flexible tube and second flexible tube are fixed at a proximal portion and configured to float within the first lumen of the catheter. First and second flexible guides are slidably positioned within the first and second flexible tubes and dimensioned to receive a first instrument for axial movement therein, the first and second flexible guides movable to an angled position with respect to a longitudinal axis. A working space expanding system positioned at a distal portion of the flexible catheter, the working space expanding system movable from a non-expanded insertion position to an expanded position forming an expanded region to expand the working space within the body lumen.

The invention relates to a control part and an endoscope thereof, belongs to the technical field of endoscopes, and is used for controlling a snake bone assembly at the front end of the endoscope and 360-degree omnibearing observation under pitching and left-right deflection. Each of the three sections of adjusting snake bones comprises a snake bone main body, and an adjusting device for adjusting an angle is mounted in each snake bone main body; the traction rope is used for connecting the adjusting device and the two operating devices; the linkage modes of a single operating device are seven, linkage of the two operating devices and mutual combination of the seven modes of the two operating devices can be achieved through the linkage mechanism, 49 adjusting modes in total are achieved, independent or multiple adjusting operations of the three snake bone bodies are effectively achieved, pitching and left-right four-direction deflection of the snake bone assembly are controlled, and the operation efficiency is improved. And according to the rotating direction within the 360-degree range in the X / Y plane and the bending angle of the snake bone, a target can be flexibly found, and an organ needing to be peeped or a changed part can be quickly and accurately pointed.

In a decision-support system for gastrointestinal (GI) endoscopy, convolutional neural networks (CNNs) are set up to perform decision-support tasks according to endoscopic images. Each learnable kernel used in the CNNs is advantageously modeled as a linear combination of a set of fixed kernels for simplifying kernel learning, giving a lightweight kernel model to advantageously reduce required computation resources. Further computation-resource reduction can be made by CNN model compression via knowledge distillation and by using multi-task CNNs. It enables the decision-support system to be realized as an edge computing system near a site of performing endoscopic examinations. The system can be automatically configured for esophagogastroduodenoscopy (EGD) or colonoscopy. In the system, lesion-detection results and quality-control results can be seamlessly integrated to provide value-added results, which are more valuable to the endoscopist than separately considering the lesion-detection results and quality-control results.

The invention belongs to the technical field of medical instruments, and discloses a digestive tract endoscope. The digestive tract endoscope comprises an endoscope body and a traction assembly, the endoscope body can move in the digestive tract, a first channel is formed in the endoscope body, and the two ends of the first channel penetrate through the outer wall of the endoscope body and the front end of the endoscope body respectively; a camera is arranged at the front end of the mirror body; the traction assembly can movably penetrate through the first channel and comprises a traction piece and a first balloon, the traction piece can move in the alimentary canal, the traction piece is sleeved with the first balloon, the first balloon can contract or expand, and when the first balloon expands, the first balloon can abut against the inner wall of the alimentary canal; the front end of the endoscope body is sleeved with a second balloon, the second balloon can contract or expand, and when the second balloon expands, the second balloon can abut against the inner wall of the alimentary canal. According to the alimentary canal endoscope, a sleeve arranged outside the alimentary canal endoscope in a sleeving mode is removed, the passing ability is improved, the endoscope entering difficulty is reduced, operation is convenient, the alimentary canal endoscope can be suitable for examination of multiple parts such as the upper alimentary canal and the lower alimentary canal, and cost can be reduced.

Systems and methods of in situ pressure control at an anatomical environment during a procedure are disclosed. An exemplary irrigation and suction system comprises a user input configured to receive from a user a desired pressure to be applied to the anatomical environment, or a desired flow condition corresponding to the desired pressure. The system comprises a pressure sensor to sense a pressure at or near the anatomical environment, and a control module to adjust one or more of an irrigation flow rate or a suction flow rate of at least one working channel of a medical device to maintain the pressure of the anatomical environment at substantially a level of the desired pressure, or to maintain the desired flow condition in the working channel during the procedure.

The invention is a device that improves safety and efficiency of colonoscopy by preventing loop formation. It is the plastic overtube with the longitudinal split. The split allows the placement over the shaft of the endoscope when colonoscopy is already in progress and a loop is formed that hinders the further endoscope insertion. The overtube is segmented by oval openings of the split to facilitate placement and to allow using optimal lengths of the overtube. The fastening mechanism is used to close and secure the overtube on the shaft of the endoscope and then it is pushed inside the colon by sliding over the endoscope. Once in place, the overtube is kept steady and provides the semi-rigid conduit for further endoscope insertion. This conduit permits the axial force exerted by the operator to be translated to forward movement of the endoscope tip and eliminates dangerous loop formation.

The invention relates to the technical field of medical equipment, in particular to an intelligent anorectal drug delivery system. Comprising a conveying pipe, a medicine conveying pipe and a convex-point air bag; comprising a guide tube and an imbedding part for supporting the air bag; a power unit; an image acquisition unit; a resistance acquisition unit; when it is judged that the preset air pressure of the supporting air bag does not meet the supporting preset standard, the preset air pressure of the supporting air bag is reduced; preliminarily judging whether the conveying of the conveying pipe meets a preset standard or not based on the resistance of the power wheel; when it is secondarily judged that conveying of the conveying pipe does not meet the preset standard based on the resistance fluctuation frequency of the power wheel, the driving speed of a first driving motor and the driving speed of a second driving motor are reduced; and the control unit is used for increasing the volume of the bump air bag and judging whether the administration process of the administration part meets the preset administration standard or not according to the target area drug coverage rate when judging that the volume of the bump air bag does not meet the preset standard according to the contact threshold value, so that accurate and quantitative administration of the administration system is realized.

Embodiments relate to devices, methods, and systems to assess the status of a bowel preparation in a subject. In an embodiment, the device, the methods, and the system assess the status of bowel preparation in a subject in real-time.

Systems and methods of in situ unclogging a working channel in a medical device during a procedure are disclosed. An exemplary unclogging system comprises a flow sensor to sense a flow rate through a working channel, and a control module to detect a channel state indicating a presence or absence of clogging based on the flow rate. In the presence of channel clogging, the control module can control one or more of an irrigation source or a suction source to provide respectively irrigation fluid or suction pressure to unclog the obstructed channel. The control module can adjust one or more of an irrigation flow rate or a suction flow rate through the working channel to maintain a desired pressure of the anatomical environment at the anatomical site, or to maintain a desired flow condition in the working channel, during the procedure.

The invention is suitable for the technical field of medical treatment, and provides an auxiliary detection method, device and equipment for a digestive tract and an endoscope system. The auxiliary detection method for the alimentary canal comprises the steps that a historical three-dimensional model, obtained through three-dimensional reconstruction based on a historical alimentary canal image, of the alimentary canal is obtained, and historical position information and historical cleanliness information of multiple position points of the alimentary canal are marked on the historical three-dimensional model; obtaining a current alimentary canal image obtained by shooting the current position point; determining corresponding current position information of the current alimentary canal image in the alimentary canal; target position information associated with the current position information is determined from the historical position information, and associated historical cleanliness information is determined; in a target three-dimensional model of the digestive tract, marking a position point corresponding to the target position information, and marking auxiliary information obtained according to historical cleanliness information associated with the target position information in the target three-dimensional model. The embodiment of the invention can assist in improving the detection efficiency of endoscope detection.

The present invention discloses an all-round observation under-actuated capsule robot and an axis rolling-over locomotion method thereof by magnetic field control. A radially magnetized NdFeB magnet ring is loaded into an inner cavity of a capsule sphere in a non-connected way, and the NdFeB magnet ring independently idles with the rotating magnetic field around a capsule axis and is completely suspended in the inner cavity filled with silicone oil in the capsule sphere. Under the drive of a coaxial following magnetic moment, the under-actuated capsule sphere cannot rotate around the capsule axis, but the capsule axis can roll synchronously with the rotation axis of the magnetic field. The present invention increases the scanning range of the capsule, enhances environmental adaptability, and has high accuracy of fixed point posture adjustment of the capsule, rolling locomotion stability, good visual observation effect and good application prospect.

Systems and methods of in situ unclogging a working channel in a medical device during a procedure are disclosed. An exemplary unclogging system comprises a flow sensor to sense a flow rate through a working channel, and a control module to detect a channel state indicating a presence or absence of clogging based on the flow rate. In the presence of channel clogging, the control module can control one or more of an irrigation source or a suction source to provide respectively irrigation fluid or suction pressure to unclog the obstructed channel. The control module can adjust one or more of an irrigation flow rate or a suction flow rate through the working channel to maintain a desired pressure of the anatomical environment at the anatomical site, or to maintain a desired flow condition in the working channel, during the procedure.