1886results about "Gastroscopes" 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

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.

The invention belongs to the technical field of food processing equipment, and particularly relates to an air bag anti-reflux cannula for gastroscope treatment, the air bag anti-reflux cannula comprises a sleeve assembly, the sleeve assembly comprises a gastroscope sleeve, and the outer side of one end of the gastroscope sleeve is uniformly provided with a plurality of sliding adjusting grooves; and the sliding type air bag assembly is installed on the outer sides of the multiple sliding adjusting grooves, the sliding type air bag assembly comprises a first sliding block, the first sliding block is installed at one end of each sliding adjusting groove in a sliding mode, and the top of the first sliding block is rotationally connected with a first connecting rod arm. The anti-reflux airbag capable of changing the expansion diameter is adopted, only the inner wall of the esophageal inlet is slightly extruded in a normal state, the anti-reflux airbag can be pushed to expand through upward upwelling of gas in the stomach when reflux occurs, the esophageal inlet is temporarily and completely blocked, reflux is avoided, and after reflux is finished, the shrunk esophagus can push the anti-reflux airbag to reset, so that the anti-reflux effect is achieved. And a better anti-reflux effect can be achieved without highly expanding to continuously extrude the esophagus inlet.

A modular endoscope system comprises an imaging guidewire comprising an elongate shaft extending from a proximal end to a distal end, an imaging device located proximate the distal end of the elongate shaft and a lighting element located proximate the distal end of the elongate shaft, and an intervention accessory configured to slide along the elongate shaft to provide a medical intervention. A method of providing a medical intervention to an internal anatomic location comprises inserting an imaging guidewire into an anatomic passageway, viewing target anatomy with imaging capabilities of the imaging guidewire, pushing an intervention accessory along the imaging guidewire to the target anatomy, and operating the intervention accessory to provide an intervention on the target anatomy.

An intraluminal device and method of applying adjustable pressure to an inner portion of a lumen includes deploying the intraluminal device to the inner portion of the lumen. The intraluminal device has a body with a wall defining a surface that is configured to the inner portion of the lumen. The body is fixed to the inner portion of the lumen with an anchor system in a manner that said surface is adapted to apply at least intermittent pressure to the inner portion of the lumen. The pressure applied by the surface to the inner portion of the lumen is controlled with a control system. The control system has a controller joined with at least two spaced apart locations at the wall. The controller distorts the wall by causing warping or rolling of the wall by modifying distance between said at least two spaced apart locations.

Systems, devices, and methods for planning an endoscopic tissue acquisition procedure for acquiring tissue from an anatomical target are disclosed. An endoscopic system comprises a steerable elongate instrument and a processor. The steerable elongate instrument can be positioned and navigated in a patient anatomy and acquire tissue from an anatomical target via a biopsy tool associated with the steerable elongate instrument. The processor can receive an image of the anatomical target, apply the received image to a trained machine-learning (ML) model to determine a tissue acquisition plan that includes a recommended biopsy tool and operational parameters for navigating the steerable elongate instrument or maneuvering the recommended biopsy tool. The tissue acquisition plan can be presented to a user, or used to facilitate a robot-assisted tissue acquisition procedure.

Medical apparatus supports and centers a treatment device treating internal walls of a longitudinal cavity, in particular a human cavity, has a longitudinal sheath insertable in a working channel of an endoscopic device; and a positioning element with a first end connectable to the longitudinal sheath and having a central channel as well as a first guiding through-hole, a second end movable from the first end and from the longitudinal sheath and having a second guiding through-hole, and a deformable element fixable to at least the second end. The medical apparatus has a first (retracted) configuration in which the treatment device is extended through the first and second guiding through-holes and a second (expanded) configuration in which the treatment device, when inserted into the first guiding through-hole and the second guiding through-hole, is moved towards a central region of the cavity and is maintained in said position during the treatment.

Blockchain environments may mix-and-match different encryption, difficulty, and / or proof-of-work schemes when mining blockchain transactions. Each encryption, difficulty, and / or proof-of-work scheme may be separate, stand-alone programs, files, or third-party services. Blockchain miners may be agnostic to a particular coin's or network's encryption, difficulty, and / or proof-of-work schemes, thus allowing any blockchain miner to process or mine data in multiple blockchains. GPUs, ASICs, and other specialized processing hardware components may be deterred by forcing cache misses, cache latencies, and processor stalls. Hashing, difficulty, and / or proof-of-work schemes require less programming code, consume less storage space / usage in bytes, and execute faster. Blockchain mining schemes may further randomize byte or memory block access, further improve cryptographic security.

The invention belongs to the field of magnetic control capsule robots, and particularly discloses a magnetic control bistable soft capsule robot and a driving method thereof, and the capsule robot comprises a first assembly and a capsule shell; a substance exchange channel is arranged on the capsule shell; the first assembly is arranged in the capsule shell; the first assembly comprises a bistable hemispherical shell and a first magnetic garment which are both of a magnetic soft body structure. The bistable hemispherical shell comprises a first stable state configuration and a second stable state configuration, and elastic potential energy is stored in the first stable state configuration; the steady-state configuration conversion direction of the hemispherical shell is perpendicular to the length direction of the capsule shell; when the hemispherical shell is in the first steady state configuration, the first magnetic garment is arranged on the top end side of the hemispherical shell, and the opening side of the hemispherical shell serves as a carrying cavity; the magnetization direction of the bistable hemispherical shell in the first steady state configuration is diverged towards the periphery with the center of the bottom of the opening side as the center, and the magnetization direction of the first magnetic clothes is the same as the protruding direction of the hemispherical shell. By means of the capsule robot, it is guaranteed that the medical function of the capsule robot is stably achieved in the complex gastrointestinal tract environment.

Provided are systems and methods for location sensor-based branch prediction. In one aspect, the method includes determining a first orientation of an instrument based on first location data generated by a set of one or more location sensors for the instrument and determining a second orientation of the instrument at a second time based on second location data. A distal end of the instrument is located within a first segment of a model at the first time and the second time and the first segment branches into two or more child segments. The method also includes determining data indicative of a difference between the first orientation and the second orientation and determining a prediction that the instrument will advance into a first one of the child segments based on the data indicative of the difference.

A four-dimensional tactile sensing system comprises a housing including a front-facing camera and at least one tactile sensor device positioned on the exterior surface of the housing, comprising an elastomer attached to a support plate a camera positioned proximate to the support plate, and opposite the elastomer, and at least one light source positioned proximate to the support plate and the camera, and opposite the elastomer. A four-dimensional tactile sensing device and tactile morphology method and algorithms are also disclosed.

The application discloses a multi-marked endoscopic imaging lens for digestive tract, and belongs to the field of biomedical microscopic endoscopic imaging. The endoscopic imaging lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the first lens focuses laser; the second lens is matched with the first lens to limit a light beam in an effective light aperture of the lens; the third lens corrects chromatic aberration; the fourth lens and the fifth lens are combined to correct aberration; the sixth lens adopts an aspheric lens to correct spherical aberration caused in a collimating and focusing system; and the seventh lens is matched with the sixth lens to correct chromatic aberration. The working spectral range of the microscopic objective lens group is 488-860 nm, the effective light aperture is less than 1.8 mm, the mechanical outer diameter is not greater than 2.6 mm, the numerical aperture at the object side or the tissue is 0.55, the imaging field of view is 450 microns, the magnification is 2.14 times, and the working distance is 84 microns. The effect of matching excitation and fluorescence spectrum of a clinically available fluorescence contrast agent is realized.

The invention discloses an angle rotating mechanism of a digestive endoscopy, and belongs to the technical field of digestive endoscopes, the angle rotating mechanism comprises a grip, one side of the grip is fixedly connected with a connecting pipe, a catheter is installed below the grip, a rotating device used for rotating without dead angles is installed in the catheter, an endoscope body is fixedly connected below the rotating device, and the endoscope body is fixedly connected with the connecting pipe. One side of the grip is connected with a protection device used for preventing mistaken touch. According to the endoscope, if reverse rotation is needed, an operator only needs to loosen the control button on the upper portion and press the control button on the lower portion, and then the motor can rotate reversely, so that the whole structure is driven to rotate in the opposite direction, and the endoscope body is gradually restored to the initial position; due to the optimization of the structural design, an operator can control the endoscope body to rotate without a dead angle more easily and freely, so that high-precision diagnosis and treatment operation can be realized in a complex digestive tract environment, the operation difficulty is effectively reduced, and the examination accuracy is improved.

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.

The utility model provides a nasogastroscope-guided gastrointestinal catheterization system based on a guide wire. The nasogastroscope-guided gastrointestinal catheterization system comprises a nasogastroscope (1), an imbedding tube (2) and the guide wire (3), wherein the guide wire (3) is arranged in an instrument cavity of the nasogastroscope (1); the implantation tube (2) is arranged along the guide wire (3) to a target jejunum nutrition tube putting position; the diameter of the guide wire (3) is 0.4 mm to 1.8 mm; the length of the guide wire is 1-7 m, and the section, 2-8 cm long, of the front end of the guide wire (3) is a flexible section (3.9). The utility model has the advantages of simple structure, simplification of catheterization operation, reduction of the pain of a patient, reduction of medical risks, guarantee of the success rate of catheterization, and excellent technical effect; the method has huge economic value and social value.

The invention relates to the field of surgical esophagus medicine applying, in particular to an esophagus medicine applying system applied to the gastroenterology department, comprising: a medicine injection module comprising a nozzle and an image acquisition assembly; the conveying module comprises a medicine conveying pipe, a flow velocity sensor, a gas flow velocity sensor and a conveying pump; the model construction module is used for generating a three-dimensional model of the esophageal wound surface according to the image of the esophageal wound surface; the control module is used for determining an esophageal peristalsis mode according to the esophageal wound surface three-dimensional model, determining a spraying mode according to the peristalsis mode, including determining a medicine spraying pressure according to a gas flow rate in the esophagus, or determining a medicine spraying distance according to an esophageal liquid flow rate of the esophageal wound surface of a patient, and determining a medicine spraying distance according to the medicine spraying distance. And re-determining the medicine injection distance according to the medicine distribution area of the esophageal wound surface. According to the invention, the accuracy and efficiency of surgical esophageal wound treatment are improved.

The utility model discloses a mouthpiece for a gastroscope and an auxiliary ventilation structure of the mouthpiece, and belongs to the field of medical auxiliary equipment. The mouthpiece for the gastroscope is used for providing a passage for insertion of the gastroscope during gastroscopy and comprises a mouthpiece body and a strap connected to the mouthpiece body, the mouthpiece body comprises a panel and a bite tube arranged on the panel, the mouthpiece body further comprises an oropharynx passage tube, the oropharynx passage tube is fixed to the panel and located on one side of the bite tube, and the bite tube is fixed to the panel and located on the other side of the panel. The end, located on the inner side of the panel, of the oropharynx passage tube does not exceed the biting tube. The auxiliary ventilation structure of the mouthpiece for the gastroscope comprises a mouth smoke tube, and the mouth smoke tube is inserted into an oropharynx passage tube in a penetrating mode so that a passage can be provided for insertion of the oropharynx tube during gastroscope examination; according to the utility model, the viewpoint of improving ventilation from the outside is changed, and ventilation improvement is directly carried out; pipelines through which an oropharyngeal tube and a gastroscope can pass are respectively positioned in the two channels and do not interfere with each other during treatment; the structure has the possibility of product transformation.

The invention provides an intelligent stomach tube based on optical fiber sensing and image monitoring, and the stomach tube comprises a stomach tube body which is internally integrated with an optical fiber and a miniature camera assembly; at least three FBG (Fiber Bragg Grating) sensing nodes which are respectively positioned in the stomach, the esophagus and the throat section are inscribed on the optical fiber and are used for acquiring pressure and temperature signals; the miniature camera assembly is arranged on the inner wall of the throat section and used for collecting images. A demodulation-edge AI processing terminal is arranged outside the body, connected with the sensing nodes and the camera shooting assembly and used for demodulating signals and conducting multi-mode fusion analysis on the basis of pressure signals and image data, real-time judgment of the situation that the catheter enters the airway by mistake, intelligent evaluation of the risk of aspiration before catheter drawing and early warning output when the risk exceeds the standard are achieved. According to the invention, the FBG sensing node and the miniature camera shooting assembly are integrated in the stomach tube, and the in-vitro demodulation-edge AI processing terminal is combined, so that precise and automatic monitoring and early warning of the whole process from tube indwelling to tube drawing evaluation are realized, and the safety and the medical quality of a patient are fundamentally improved.

The invention provides a magnetic drive biopsy needle type biopsy sampling capsule which comprises a capsule shell and a micro camera fixed in the capsule shell, the micro camera is connected with a micro camera data line, the micro camera data line is led out from the interior of the capsule shell, and after sampling is completed, the micro camera data line is connected with the capsule shell. The miniature camera data line serves as a traction rope, and the magnetic drive biopsy needle type biopsy sampling capsule is taken out of the oral cavity through the miniature camera data line. The magnetic drive biopsy needle type biopsy sampling capsule has the advantages that the miniature camera data line led out from the tail of the magnetic drive biopsy needle type biopsy sampling capsule can serve as a pull line and is directly pulled out from the mouth, and therefore the time needed by sampling is greatly shortened.

The invention provides a Y-shaped collaborative operation device for a digestive endoscope and an optical fiber clamping-three-dimensional force sensing method, and relates to the technical field of optical fiber sensing detection. The Y-shaped expanding opening and closing assembly is fixedly connected with the tail end of the main endoscope arm and used for expanding the two corresponding second channels to be opened and closed in a Y shape; the two sub-operation arms penetrate through the two second channels corresponding to the sub-operation arms and extend to the outer portion of the Y-shaped expanding opening and closing assembly, and the sub-operation arms are provided with a plurality of third channels arranged in the circumferential direction; the second driving guide wire penetrates through the third channel from the front end of the sub-operation arm and is fixedly connected with the tail end of the sub-operation arm, and the bending direction of the sub-operation arm is adjusted by controlling stretching and retracting of the second driving guide wire. And the clamping-three-dimensional force sensing operation assembly is fixedly connected with the tail end of the sub-operation arm and is used for sensing the three-dimensional force and / or the clamping force generated when the clamping-three-dimensional force sensing operation assembly interacts with the digestive tract tissue.

The invention relates to the technical field of medical instruments, and discloses a detachable sterile protection structure of an electronic endoscope. The structure comprises an end seat module and a disposable detachable far end cover. The clamp lifting shifting block of the end seat module can rotate within the range of 0-90 degrees under the driving of the pull rod, and the clamp lifting block of the disposable detachable far end cover rotates synchronously under the driving of the clamp lifting shifting block. Reliable connection and transmission of the clamp lifting shifting block and the clamp lifting block are achieved through an accurate butt joint structure. And the end seat module and the disposable detachable far-end cover are both provided with waterproof sealing rings, so that the sealing performance and the waterproof performance of the equipment are ensured. The working state of the endoscope can be observed conveniently through the transparent tip seat cover cap, and the stability of the clamp lifting shifting block at the preset angle is guaranteed through the locking mechanism. The operation convenience and safety of the endoscope are improved, the equipment maintenance process is simplified, cross infection is effectively prevented, and the use efficiency is improved.

The invention discloses a gastroscope in-vivo detection time measuring method, and relates to the technical field of gastroscope detection, and the gastroscope in-vivo detection time measuring method comprises the following steps: obtaining a data set of in-vivo and in-vitro environment dichotomy; the method comprises the following steps of: constructing a binary classification network based on a Vision Transform; training a dichotomy network based on Vision Transformer by adopting a data set of dichotomy of in-vivo and in-vitro environments; for a complete gastroscope video frame sequence of the in-vivo retention time of the gastroscope to be detected, extracting a frame at a certain interval as a representative frame, sending all the representative frames into the trained Vision Transform-based binary classification network for classification, searching the last group of in-vivo frame serial numbers Ida from the outside to the inside, and determining the in-vivo retention time of the gastroscope to be detected. And the last group of in-vivo frame serial numbers Idb from in vivo to in vitro; and calculating the retention time in the gastroscope body. The automatic processing level is high, extra manual processing is not needed in the whole process, the workload can be greatly reduced, the time efficiency can be improved, and the problems of missed watching and wrong watching caused by careful manual retrospective observation in a traditional method can be solved.

Provided are a split-type mask, a respiratory monitoring system, and a method of using the same, which are suitable for endoscopic examinations. The split-type mask includes a nasal mask body, an oral mask body, and a connector, wherein the nasal mask body and the oral mask body are connected by the connector. The nasal mask body is formed with an oxygen tube interface for connecting an external oxygen supply device to supply oxygen to the nasal mask body; the oral mask body is formed with an endoscope inspection port for passing an endoscopic examination device such as a gastroscope. The nasal mask body also includes a nasal pressure sensor and a nasal aspirator interface, respectively used to monitor the pressure within the nasal mask body and to aspirate aerosols within the nasal mask body, and / or the oral mask body also includes an oral pressure sensor and an oral aspirator interface, respectively used to monitor the pressure within the oral mask body and to aspirate aerosols within the oral mask body. The nasal mask body and the oral mask body are respectively adapted to fit the wearer's face without being connected to each other.

Disclosed are various embodiments for improved surgical devices and methods of using the same in connection with bariatric and gastroesophageal surgery. The present disclosure includes a lighted bougie device that can include an elongate member and a light source. The light source can be configured to emit near-infrared light. The light source can also be positioned about the bougie such that light emitted from the light source illuminates along a portion of the bougie.

The invention discloses a multifunctional intelligent stomach tube, and belongs to the field of medical instruments, the multifunctional intelligent stomach tube comprises an outer tube mechanism, the outer tube mechanism comprises a stomach tube body and a rubber head, one end of the inner wall of the stomach tube body is provided with a slidable medicine feeding mechanism, and one end of the inner wall of the stomach tube body is slidably connected with the outer wall of a movable cylinder; a vertically-through pipe connecting through hole is formed in one end of the top of the movable cylinder, a medicine storage cavity is formed in the outer wall of the movable cylinder, a bottom cover is installed under the movable cylinder, and an illuminating lamp is installed at one end of the bottom of the bottom cover; by arranging the pushing inner pipe, the medicine feeding mechanism can be pushed, by arranging the medicine storage cavity, medical staff can place medicine powder or unground medicine in the medicine storage cavity, then the medicine is conveyed into the human body at a time through pushing of a movable cylinder, and the bottom face of the inner wall of the medicine storage cavity is arranged to be an inclined face, so that quick release of the medicine is facilitated; not only is the accuracy of medicine feeding improved, but also the situation that the medicine outlet is blocked is avoided.

The invention discloses a capsule endoscope system and method for positioning through an antenna matrix, and the system comprises a capsule endoscope, a receiving waistband, a data recorder, and an in-vitro work station. A vibration module, a main control board, a radio frequency module and a power module are arranged in a shell of the capsule endoscope. The receiving waistband comprises a waistband, a receiving antenna, a noise processing module, a position sensing module and a reflecting layer; the receiving antenna, the processing module, the sensor and the reflecting layer are all arranged between the two layers of structures of the waistband, the receiving antenna surrounds the waistband for one circle, and the periphery of the receiving antenna is comb-shaped; the noise processing module and the position sensing module are respectively connected with the receiving antenna through the FPC board; the reflecting layer is arranged along the circumference of the waistband; a spacing layer is arranged between the receiving antenna and the reflecting layer; a containing bag is arranged on the outer side of the waistband, and the data recorder is located in the containing bag on the outer side of the waistband. And the receiving waistband, the data recorder and the in-vitro workstation are connected in sequence. The method improves the inspection efficiency and accuracy, and is safe, reliable and stable.

Disclosed in the present invention is a lesion feature recognition system for gastrointestinal endoscopy. By utilizing the system, the accuracy and efficiency of lesion feature recognition under gastrointestinal endoscopy can be improved, and the shortcomings including limited recognition capability, poor anti-interference performance, high demand for computing power, high misdiagnosis rate and the like under conventional AI-assisted endoscope inspection technology are overcome.

A robotic surgical system comprises a horizontal platform to support a patient, a rail positioned about the horizontal platform, a carriage operatively coupled to and configured to translate along the rail, and a robotic arm operatively coupled to the carriage and translated about the patient by the rail. The robotic arm is configured to operate on the patient in a variety of positions provided by the translating carriage. The rail provides a rounded path for the carriage, such as a U-shaped path. The U-shaped path may comprise a first leg and a second leg, the first leg longer than the second leg. Furthermore, the system may comprise a plurality of carriages operatively coupled to the rail and a plurality of robotic arms. Also, the system may further comprise a central base which the horizontal platform can articulate relative to, such as by translating horizontally or vertically, rotating, or titling.

The present invention discloses an imaging apparatus and method, and a capsule endoscope. The imaging apparatus includes a lighting assembly and a camera, the camera is used for imaging a subject to be tested. The lighting assembly includes a first light source and a second light source, the first light source is used for emitting white light to provide light for the camera to image the subject, and the second light source is used for emitting near-infrared light to provide light for the camera to image the subject. A superficial layer of the subject is irradiated with white light, so as to observe superficial layer tissue of the subject, and intermediate layer tissue and deep tissue of the subject are irradiated with near-infrared light, so as to observe the intermediate layer tissue and the deep tissue of the subject.

The present disclosure relates to systems and methods for processing real-time video and detecting objects in the video. In one implementation, a system is provided that includes an input port for receiving real-time video obtained from a medical image device, a first bus for transferring the received real-time video, and at least one processor configured to receive the real-time video from the first bus, perform object detection by applying a trained neural network on frames of the received real-time video, and overlay a border indicating a location of at least one detected object in the frames. The system also includes a second bus for receiving the video with the overlaid border, an output port for outputting the video with the overlaid border from the second bus to an external display, and a third bus for directly transmitting the received real-time video to the output port.