596results about "Gastroscopes" patented technology

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 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 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 belongs to the technical field of medical instruments, and discloses a digestive endoscopy diseased region accurate positioning and marking device which comprises a controller, an endoscope hose is fixedly connected to the bottom of the controller, and an instrument insertion opening is formed in the right side of the controller. Through the arrangement of the sleeve, the dye tube, the pressurization air bag and the baffle, after an operator observes a diseased region through the endoscope hose, the operator only needs to align the endoscope hose to the diseased region, and by pressing the pressurization air bag, air in the pressurization air bag enters the dye tube through the inner hose; the baffle can be pushed to rotate outwards under the action of air pressure, meanwhile, methylene blue in the dye tube is sprayed out under the action of air flow, a diseased region is marked, the methylene blue can be absorbed by normal mucous membrane cells, and diseased tissue shows dyeing difference due to abnormal cell function and poor absorption capacity, so that the diseased region is marked. Therefore, the effect of accurate positioning is achieved.

The invention provides an objective image module and an endoscope, and relates to the technical field of endoscopes. The objective image module is provided with an optical axis and comprises a front fixed lens assembly, a rear fixed lens assembly, a movable lens assembly, a guide assembly and a driving assembly, and the front fixed lens assembly, the movable lens assembly and the rear fixed lens assembly are sequentially arranged on the optical axis. The guide assembly is in sliding fit with the movable lens assembly and used for limiting the sliding direction of the movable lens assembly so that the sliding direction can be parallel to the optical axis direction. The driving assembly comprises a permanent magnet and an electromagnet, and the permanent magnet is connected with the movable lens assembly; when the electromagnet is powered on, driving magnetic force is formed between the electromagnet and the permanent magnet, and the driving magnetic force can drive the movable lens assembly to move in the optical axis direction. The position of the movable lens can be accurately controlled, and the occupied internal space of the head end part is reduced.

One or more processors select a model from among a plurality of types of machine learning models according to a region whose image is being picked up by an endoscope, generate notification information of a type of the model selected, receive an instruction signal for switching the model, measure a time interval from a selection of the model to a reception of the instruction signal, select a model selected immediately previously when the time interval is less than a first predetermined time, and select a model scheduled to be selected immediately subsequently when the time interval is equal to or greater than a second predetermined time.

The invention discloses a capsule endoscopy gastrointestinal tract position real-time positioning system based on multi-modal sensing, which comprises a shell, a partition plate I is arranged on the rear side in the shell, a mounting plate is arranged between the front wall of the shell and the front end of the partition plate I, and the capsule endoscopy gastrointestinal tract position real-time positioning system further comprises a detection mechanism and an adjusting mechanism; the detection mechanism comprises a PH sensor, a pressure sensor and a temperature sensor, the PH sensor is arranged on the front side of the upper end of the mounting plate, the pressure sensor and the temperature sensor are arranged in the middle and on the rear side of the upper end of the mounting plate respectively, and probes arranged at the upper ends of the PH sensor and the temperature sensor are located outside the shell; according to the capsule endoscopy gastrointestinal tract position real-time positioning system based on multi-modal sensing, four types of data including pH, pressure, temperature and three-axis acceleration can be collected, the specific anatomical position of a capsule endoscopy in the gastrointestinal tract can be conveniently recognized and reported in real time subsequently, an intelligent diagnosis report that what you see is what you know is provided for a doctor, the stability of the view field of a lens is ensured, and the real-time positioning of the gastrointestinal tract position of the capsule endoscopy is achieved. And the number of invalid pictures is reduced.

The application provides a multifunctional catheter, comprising a catheter main body and a distal tube with a multi-cavity tube structure. The distal tube comprises a soft end at the proximal end and a functional end at the distal end. The catheter main body and the soft end are provided with a working cavity and a lens cavity. The functional end is further provided with a through hole communicating with the lens cavity. The lens cavity is a circular tube cavity structure extending along the catheter main body and the soft end. The inner wall of the lens cavity is provided with a plurality of accommodation grooves for accommodating photosensitive chips in a lens assembly. The catheter provided by the application can form a space for accommodating photosensitive chips through the plurality of accommodation grooves in the lens cavity, and the lens assembly can be installed without increasing the diameter of the lens cavity, thereby reducing the overall diameter of the catheter to adapt to the more complex bile duct environment relative to the digestive tract.

An endoscope add-on assembly adapted to be attached to a target endoscope. The endoscope add-on assembly includes an ultrasound imaging head, an ultrasound imaging sub-assembly, and a needle guide ramp. The ultrasound imaging head defines an imaging slice plane. The ultrasound imaging sub-assembly is configured to selectively engage the ultrasound imaging head. The ultrasound imaging sub-assembly includes a retaining element configured to secure the ultrasound imaging sub-assembly to the target endoscope. The needle guide ramp is configured to direct a motion of a needle of the target endoscope. The needle guide ramp is configured to align the needle of the target endoscope within the imaging slice plane when the endoscope add-on assembly is attached to the target endoscope.

The present disclosure relates to systems and methods for driving medical instruments. Certain aspects relate to systems and techniques for driving medical instruments having an inner body and an outer body. In one aspect, a system includes a medical instrument including an outer body and an inner body configured to be driven through a lumen in the outer body. The system can also include a set of one or more instrument manipulators configured to control movement of the outer body and the inner body, and a set of one or more processors configured to: receive a change drive mode command; and change a drive mode of the medical instrument from a paired drive mode to an unpaired drive mode in response to receiving the change drive mode command.

The invention discloses a guiding sheath tube and a biliopancreatic endoscope system. The guiding sheath tube comprises a sheath tube handle, an intervention sheath tube and a connecting piece, and the sheath tube handle is connected to the far end of an insertion tube fitting; the intervention sheathing canal is connected to the far end of the sheathing canal handle; the connecting piece comprises a deformation section, the near end and the far end of the connecting piece are connected to the side walls of the same sides of the operation main body and the sheathing canal handle respectively, so that at least the deformation section and at least partial pipe section of the insertion pipe fitting are arranged side by side, and when the insertion pipe fitting moves, the deformation section moves synchronously; and the deformation section is formed by sequentially connecting a plurality of sections of cross shaft universal joints. In the matching process of the biliopancreatic endoscope and the guide sheathing canal, the coaxiality of the biliopancreatic endoscope and the guide sheathing canal can be sufficiently guaranteed, so that the matching between the biliopancreatic endoscope and the guide sheathing canal is flexible and accurate, and finally the operation convenience and the use reliability of operators are improved.

A medical system (10) includes an insertion device (12) including a handle (22), an insertion portion (24) having at least one lumen, a port (38) fluidly coupled to the lumen, and a connection portion (18). The medical system also includes a medical device (14) including a handle (50), an insertion portion (52), and a connection portion (20) configured to be coupled to the connection portion of the insertion device. The connection portion of the medical device is configured to be coupled to the connection portion of the insertion device to form an electronic and physical connection between the insertion device and the medical device.

The invention discloses a tracheal catheter special for upper gastrointestinal endoscopic surgery, which comprises an inner tube, an outer tube capable of sliding up and down with the inner tube is sleeved outside the inner tube, the top end of the outer tube is fixedly connected with the inner tube through a fixing knob, a respirator joint is arranged at the top end of the inner tube, an inner tube water bag is arranged at the bottom of the inner tube, and an outer tube water bag is arranged at the bottom of the inner tube. An inner tube suction hole is formed in one side of the inner tube water bag, and a Murphy hole is formed in the position, located below the inner tube water bag, of the bottom of the inner tube. The problems that in an upper gastrointestinal endoscopic surgery in the prior art, the exposed part of the tracheal catheter affects surgical operation, the cuff of the tracheal catheter compresses a surgical site or affects taking out of a specimen, the tracheal catheter rubs with an endoscope and is prone to disengagement to damage tracheal mucosa, and blood and secretions in the trachea are not sucked thoroughly are solved.

The present invention relates to a system for producing optical radiation to neutralize microorganisms. The system comprises a light source (1) for emitting optical radiation, a storage means (2) having one or more unique identification codes each associated with a respective microorganism, at least one respective wavelength range associated with the microorganism, and a logic control unit (3) configured to select a wavelength range based on the microorganism to be neutralized and to activate the light source (1) such that the optical radiation emitted by the light source (1) has a wavelength within the selected wavelength range, such that, in use of the system, the optical radiation induces optical resonance in the microorganism and causes alteration of the genetic properties of the microorganism.

The invention relates to the technical field of medical instruments, in particular to a portable visual nasal gastrointestinal nutrition tube indwelling device which comprises an operation handle, an endoscope assembly, a guide wire and a shaping mechanism, and the endoscope assembly is connected to the operation handle, can be controlled by the operation handle and is used for checking conditions in the body of a patient; the endoscope assembly is sleeved with the nasal gastrointestinal nutrition tube when the nasal gastrointestinal nutrition tube is installed. The guide wire is inserted into the endoscope assembly and is used for supporting the endoscope assembly; the shaping mechanism is configured to enable the section shape of the nasal gastrointestinal nutrition tube with the curvature larger than a preset value to be recovered to be round and can also fix the shape of the nasal gastrointestinal nutrition tube with the curvature larger than the preset value. Therefore, on one hand, it can be guaranteed that the section of the nasal gastrointestinal nutrition tube is round and the blocking risk is avoided when the nasal gastrointestinal nutrition tube conveys nutrient solution or medicine, and on the other hand, elastic reset force generated at the bent position of the nasal gastrointestinal nutrition tube can be offset and the nasal gastrointestinal nutrition tube is prevented from continuously jacking mucous membranes and tissues in the human body.

The invention provides a positioning device for an alimentary canal lesion endoscope, and relates to the technical field of alimentary canal endoscopes, the positioning device comprises an endoscope pipeline, an adjusting mechanism facilitating adjustment is arranged on the endoscope pipeline, a supporting mechanism facilitating positioning is arranged on the endoscope pipeline, and the adjusting mechanism comprises a protective hollow column and a mounting column; the supporting mechanism comprises an endoscope probe, a first adjusting pipe and a suction cup, the protective hollow column is slidably mounted at the circumferential end of the endoscope pipeline, and the mounting column is fixedly mounted at the circumferential end of the endoscope pipeline. By arranging the umbrella type supporting structure composed of the first adjusting tube, the second adjusting tube and the universal joint, the actual interior of the digestive tract is not a flat environment, natural wrinkles exist on the stomach wall, the intestinal mucosa fluctuates in a concave-convex mode, and individual differences exist in the forms of the digestive tracts of different patients; the multi-point supporting design of the umbrella type structure enables a plurality of supporting point positions to be respectively attached to mucous membranes at different positions around the focus.

A system for performing procedures in a body lumen comprises an outer member which comprises a first lumen to receive an endoscope. A system for performing procedures in a body lumen also comprises a first flexible element and a second flexible element. The second flexible element is moveable laterally outwardly to atraumatically contact a side wall of the body lumen to alter a space within the body lumen. A system for performing procedures in a body lumen further comprises an actuator which is positioned at a proximal region of the outer member and operably coupled to the second flexible element to effect movement of the second flexible element between a reduced profile position and an expanded position.

The application discloses a gastroscope in-vivo residence time detection method based on deep learning, relates to the technical field of gastroscope detection, and comprises the following steps: acquiring an in-vivo and in-vitro environment two-classification data set; constructing a two-classification network based on a Vision Transformer; training the two-classification network based on the Vision Transformer by using the in-vivo and in-vitro environment two-classification data set; for a complete gastroscope video frame sequence to be detected for gastroscope in-vivo residence time, extracting a frame as a representative frame every certain number of intervals, feeding all the representative frames into the trained two-classification network based on the Vision Transformer for classification, searching for the last group of in-vivo frame sequence numbers Id_a from in-vitro to in-vivo and the last group of in-vivo frame sequence numbers Id_b from in-vivo to in-vitro, and calculating the gastroscope in-vivo residence time. The application has high automation processing level, does not need additional manual processing in the whole process, can greatly reduce workload and improve time efficiency, and can avoid missing and misreading caused by careless artificial retrospective observation in the traditional method.

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.

To provide an improved steering mechanism for a medical instrument including an endoscope.SOLUTION: A steering assembly for a medical device may include a handle having a recess and first and second wire guides disposed within the recess. At least one of the first or second wire guides may be secured in the recess to prevent rotation of the first or second wire guide within the recess. The first and second wire segments may be configured to advance a sheath coupled to the steering assembly in first and second directions. The first wire segment may pass through a first gap between the first wire guide and the second wire guide. The second wire segment may pass through a second gap between the first wire guide and the second wire guide. Neither the first gap nor the second gap may occupy an overlapping space.SELECTED DRAWING: Figure 1B

The present invention relates to a device for supporting probe and / or endoscope parts of medical devices introduced through the mouth of a patient.

An airway device includes an outertube and a scope channel partially enclosed by the outertube. An intraluminal space in the outertube, not occupied by the scope channel, provides a passageway for air flow to the patient. An esophageal cuff is disposed distally on the scope channel. When inflated, the esophageal cuff secures the airway device in the proximal esophagus of the patient and helps to prevent gastric reflux by mechanically blocking gastric content from entering into the larynx. An inflatable bladder is attached at an anterior surface of the scope channel between the esophageal cuff and a distal opening of the outertube. When inflated, the bladder forms a tubular ring that pushes against the epiglottis and / or other soft tissue towards a wall of the hypopharynx to produce an unhindered air passage into the patient's trachea.

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 invention relates to the technical field of medical instruments, and discloses a visual biliary tract rotary cutting biopsy expansion system assembly which comprises a conical sleeve, a visual mechanism is fixedly connected to the interior of the conical sleeve, a holding mechanism is installed on the left side of the visual mechanism, a rotary cutting mechanism is installed at the left end of the holding mechanism, and the visual mechanism comprises a cable. The exterior of the cable is fixedly connected to the interior of the conical sleeve, the top end of the cable is fixedly connected with a golden finger, the left end of the conical sleeve is fixedly connected with a protection assembly, the left end of the protection assembly is fixedly connected with a Luer lock cap, and the interior of the protection assembly is fixedly connected with an insertion pipe; a light source is fixedly connected into the protection assembly. The inside of the biliary tract is uniformly and sufficiently illuminated through the light source, a clear observation view is provided for a doctor, the doctor can accurately judge the illness state, and the situation that the positive rate of hepatopathic bile duct malignant stenosis biopsy is not high is reduced.

The utility model discloses an integrated totally-closed endoscope pretreatment machine, which comprises a base and a fixed plate vertically and fixedly mounted at the top of one side of the base, and is characterized in that a sliding plate is mounted at the top of the base in a sliding manner, and an adsorption bottle is fixedly mounted in the center of the top of the sliding plate; an air cylinder is fixedly installed on the inner side of the fixing plate, the extending end of the air cylinder is fixedly connected with the side wall of the sliding plate, a connecting frame fixedly connected with the fixing plate is arranged over the air cylinder, a liquid storage bin is fixedly installed at the tail end of the connecting frame, and a switching port is formed in the center of the top of the liquid storage bin. An adapter is installed on the adapter in a threaded meshing mode, an enzyme liquid bottle is installed on the top of the adapter in a threaded meshing mode, a liquid outlet is formed in the bottom of the liquid storage bin, and an electromagnetic valve is arranged on the liquid outlet.

A medical device may include a sheath configured for insertion into a patient's body cavity. The distal end of the sheath may include a lifter for changing the orientation of the medical device. A handle may include an actuator. The actuator may be operatively connected to the lifter. Activation of the actuator may cause movement of the lifter. In at least one embodiment of the handle, an engagement portion may protrude from a surface of the handle body toward the actuator. A force applied by the user to at least one of the actuator or the engagement portion may cause the handle to switch between (a) a first embodiment, wherein the engagement portion interacts with the actuator to prevent movement of the actuator relative to the engagement portion, and (b) a second embodiment, wherein the actuator is movable relative to the engagement portion.

The disclosure relates to a nasal cannula comprising a port configured for delivery of a medicament into a flow of a fluid being delivered by the nasal cannula to a user and / or configured for interfacing with a medicament delivery device or an instrument. The disclosure also relates to a nasal cannula comprising an asymmetric profile to reduce an amount of occlusion of one nare of a user to provide access for an instrument to the nare with the nasal cannula in use.

The invention discloses a gastrointestinal nutrition tube endoscope assembly, and relates to the field of nasal and gastrointestinal catheters.The gastrointestinal nutrition tube endoscope assembly comprises a handle, a flexible sleeve is arranged at the bottom end of the handle, a movable part is arranged at the bottom end of the flexible sleeve, and a control mechanism is arranged on the handle and used for controlling the bending angle of the movable part; a pipe body is arranged at the bottom of the connector, a camera module is arranged at the bottom end of the pipe body, and a plurality of discharge outlets are formed in the side face of the pipe body; the connector is matched with the bottom end of the handle in an inserted mode through a conical sleeve. The bending angle of the movable part is controlled by operating the control mechanism so as to drive the far end of the tube body to conduct bending adjustment. And a real-time and intuitive intracavity visual field is provided. An operator can clearly observe the path from the nasal cavity / oral cavity to the esophagus and stomach to the target intestinal tract. The device effectively avoids entering the airway by mistake, and can actively bypass mucus, wrinkles or narrow areas.

The invention discloses a disposable duodenum endoscope which comprises a head end part, an insertion part and an operation part, the head end part is connected with the insertion part, the insertion part is connected with the operation part, an instrument channel extending into the head end part is arranged in the insertion part, and an instrument penetrates out through the instrument channel. The forceps lifting device can rotate towards the lateral direction and away from the direction of the extension line of the instrument channel, the forceps lifting device can drive the instrument to be bent towards the lateral direction in the lateral direction, and an avoiding space can be formed when the forceps lifting device is away from the direction of the extension line of the instrument channel so that the instrument can straightly go out in the forward looking direction; therefore, the instrument can perform medical operation in both the lateral direction and the foresight direction.

An AI-based endoscopic diagnostic aid system includes: an endoscope module providing an endoscopic image of internal organs of the body of a patient; an input module configured to be capable of inputting arbitrary medical information about the patient; a control module which analyzes the endoscopic image provided from the endoscope module through a pre-stored image processing program to detect lesion information, matches the detected lesion information with the medical information input from the input module through a pre-stored lesion diagnosis program while generating at least one diagnosis information of malignancy and malignancy probability corresponding to the matching result, and outputs a preset notification signal according to the lesion information and the diagnosis information; and a notification module which visually displays on an arbitrary screen according to the notification signal output from the control module.