292results about "Nasoscopes" patented technology

The invention relates to a disease diagnosis and treatment method, system and device based on ear-nose-throat endoscope images and a medium, and the method comprises the steps: synchronously collecting dual-spectrum images through time sequence triggering, and solving the problem of shielding of an anatomical structure caused by mucus flow; a dynamic mucus displacement field is modeled through pixel gradient, and misjudgment of a traditional segmentation method on static lesions and dynamic secretions is eliminated; a deformable convolutional layer is adopted to correct the spatial offset of white light and a narrow-band image, and the mismatch of a multi-mode characteristic due to optical scattering is overcome; and finally, a real-time surgical navigation mark and a clinical treatment scheme are synchronously generated based on topological attributes of the focus probability graph, and a closed-loop link from image analysis to diagnosis and treatment decision is realized. According to the method, the functions of mucus interference suppression, cross-modal accurate registration and real-time diagnosis and treatment assistance are integrated in a breakthrough manner, and the focus recognition accuracy and clinical operation efficiency of the endoscope image are remarkably improved.

The invention discloses a digital imaging method of an ear-nose-throat examination endoscope, and relates to the technical field of medical treatment, and the method comprises the following steps: synchronously collecting a white light image, a photoacoustic signal, a stimulated Raman spectrum, pressure sensor data and a physiological signal of a target orifice through a multi-physical field probe; constructing a four-dimensional tensor bound with the anatomical features; based on a vocal cord vibration fundamental frequency harmonic characteristic optimization graph convolutional network, dynamically constructing an adjacent matrix and coupling cross-modal characteristics to generate a submucosal lesion enhanced image; a deformable convolutional network constrained by vocal cord biomechanics is adopted, and the shape of a convolution kernel is dynamically adjusted according to the relation between real-time strain and elastic modulus, so that motion artifacts caused by swallowing actions are inhibited; generating a curvature-driven asymmetric convolution kernel based on ear canal spiral geometry, and executing super-resolution reconstruction in combination with confrontation training of fractal constraint; and fusing the white light image gradient and the pressure gradient field, and outputting a three-dimensional lesion contour consistent with the anatomical structure.

Methods and apparatuses for insertion and / or pressurization of a balloon catheter for balloon dilation of anatomical passageways in the head of a person such as the Eustachian tube and Sinus passageways. The insertion devices comprise a balloon catheter guiding tube for receiving and guiding the balloon catheter, and a device body rigidly attached to a proximal end of the balloon catheter guiding tube. The pressurization devices comprise a syringe body with a syringe barrel, a proximal thruster guide section, external hand or finger engagement geometries, a plunger with a distal plunger head and a plunger rod, and a thruster having a proximal end with a finger or hand engagement portion.

An apparatus includes a body, a shaft assembly, and a visualization assembly. The body includes first and second actuators. The shaft assembly extends distally from the body and includes a rigid proximal portion and a steerable distal portion. The steerable distal portion is positioned distally relative to the rigid proximal portion. The first actuator is operable to drive the steerable distal portion to deflect laterally relative to a longitudinal axis defined by the rigid proximal portion. The steerable distal portion is configured to fit within a nasal cavity of a patient. The visualization assembly is disposed within the shaft assembly. The visualization assembly includes a camera. The second actuator is operable to drive longitudinal translation of the visualization assembly relative to the shaft assembly.

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 discloses an ear-nose-throat endoscope wireless image transmission system based on NFC near field triggering, relates to the field of medical apparatuses and instruments, and solves the problem that an existing wireless image transmission system is poor in image acquisition and transmission efficiency. The data acquisition module is used for performing cavity cross-sectional area analysis according to an image intercepted by an endoscope to obtain target endoscopic video analysis data, screening disease matching patients according to patient symptoms and obtaining corresponding endoscopic video analysis data to obtain endoscopic patient initial matching data; the data analysis module is used for analyzing the cross sectional area of the endoscopic video stream and the endoscopic depth of a lens to obtain endoscopic cavity similarity and performing type division on the endoscopic video stream of the matched patient according to the endoscopic cavity similarity to obtain video stream matching data; and the image transmission module is used for carrying out endoscope near-field triggering setting and endoscopic image wireless transmission on the target endoscopic patient according to the video stream matching data. According to the system and the method, the collection efficiency and the transmission efficiency of the endoscopic image can be improved.

An access device for accessing an intervertebral disc having an outer shield comprising an access shield with a larger diameter (˜16-30 mm) that reaches from the skin down to the facet line, with an inner shield having a second smaller diameter (˜5-12 mm) extending past the access shield and reaches down to the disc level. This combines the benefits of the direct visual microsurgical / mini open approaches and the percutaneous, “ultra-MIS” techniques.

An improved system described herein can include an expandable member (e.g., to temporarily dilate a targeted tissue) equipped with one or more Pulsed Field Electroporation (PFE) electrodes configured to cause localized and targeted PFE output at the targeted tissue.

The invention provides a nasal endoscope with a nasal mucosa protection function, which comprises a guide rod, one end of the guide rod is provided with a camera, the other end of the guide rod is in communication connection with a display screen through a wire, and the end part of the guide rod is fixedly provided with a light supplementing lamp on the outer side of the camera; and the protective sleeve is movably arranged outside the guide rod in a sleeving manner. When a nasal cavity of a patient is subjected to endoscopic examination, the head of the patient is clamped and positioned through the two square air bags, the annular air bag is expanded to abut against the interiors of the nostrils of the patient, and therefore the protective sleeve can be limited, the guide rod limiting effect is achieved, and the situation that a gap exists between the guide rod and the nasal cavity is effectively avoided; the situations that a patient feels uncomfortable and the head of the patient shakes when a nasal cavity of the patient is subjected to endoscopic examination are effectively avoided, so that the situation of friction between the end of the guide rod and the nasal mucosa in the nasal cavity of the patient is effectively reduced, the situation of damage to the nasal mucosa in the nasal cavity of the patient is reduced, and the effect of protecting the nasal mucosa is achieved.

Systems and methods are disclosed for an endoscope for use in a surgical procedure, e.g., a pediatric trans-nasal endoscopy procedure. The endoscope may include a handle for gripping by a user, and a shaft extending from the handle. The shaft may have a working channel extending longitudinally therethrough. The shaft may include an outer jacket defining an outer surface of the shaft, and an inner channel defining a working channel extending longitudinally through the shaft. The shaft defines an open space between the outer jacket and the inner channel, with an electrical wire for an illumination and / or a camera device extending longitudinally within the open space. The open space may improve the flexibility of the shaft along its entire length thereby improving patient comfort, and may also enable the steering wires to be positioned for improved up / down and left / right movement relative to the steering inputs provided by the user.

To provide a method of screening a pathogen-associated disorder in a subject, a method of prognosticating a pathogen-associated disorder in a subject, and a system therefor.SOLUTION: Provided herein are methods and systems for stratifying risk for a subject to develop a pathogen-associated disorder based on analysis of cell-free nucleic acid molecules from a biological sample of the subject. In various examples, screening frequency is determined based on the risk analysis. Also provided herein are methods and systems for analyzing variant patterns of a pathogen genome in cell-free nucleic acid molecules.SELECTED DRAWING: Figure 2

An ENT surgical instrument includes a shaft assembly, a flexible substrate, and at least at least one electrically-conductive sensor trace formed on the flexible substrate. The shaft assembly has a distal end sized and configured to fit in an anatomical passageway in an ear, nose, or throat of a patient. The flexible substrate extends along at least a portion of the shaft. The at least one sensor trace includes at least one concentric loop portion, wherein the at least one concentric loop portion defines at least one navigation sensor.

Provided is a scanner including a first insertion portion into which a battery is to inserted in a detachable form, a capacity indicating portion, and one or more processors configured to execute one or more instructions, wherein the one or more processors are configured to execute the one or more instructions to, in response to a first connector provided in the battery being connected to a second connector provided in the first insertion portion, receive battery information and power from the battery via the first connector and the second connector, and output an indicator corresponding to the battery information via the capacity indicating portion.

The invention discloses a nasopharyngoscope for nasopharyngeal carcinoma radiotherapy clinic, and relates to the technical field of medical instruments, the nasopharyngoscope comprises a hand-held handle, the hand-held handle comprises a holding tube and a storage sliding roller slidably arranged on the inner side of the holding tube, and the outer wall of the storage sliding roller is provided with a storage winding groove; according to the clinical nasopharyngeal mirror for nasopharyngeal carcinoma radiotherapy, the storage sliding roller is slidably connected to the inner side of the holding tube, the storage winding groove used for winding and storing the insertion tube is formed in the storage sliding roller, and meanwhile, clamping and fixing between the holding tube and the storage sliding roller are achieved through the locking and clamping mechanism, so that the clinical nasopharyngeal mirror for nasopharyngeal carcinoma radiotherapy has the function of storing and hiding the insertion tube; compared with the prior art, not only is the occupied space reduced, but also the tip detection lens is more attractive, the butt joint pipe is fixed to the tip detection lens, butt joint and fixation between the butt joint pipe and the tip hard pipe are achieved through the locking butt joint mechanism, detachable split type installation of the tip detection lens is achieved, and therefore the tip detection lens can be conveniently and rapidly disassembled and assembled.

The present invention provides a nasopharyngeal carcinoma endoscope, which relates to the technical field of endoscopes, and includes: an extension hose, an imaging mechanism, an illumination structure, and a traction mechanism; the extension hose is in the outermost layer, and is used to cover and protect the imaging mechanism, the illumination structure, and the traction mechanism, and guide the imaging mechanism to a designated position; the imaging mechanism is used to capture images of a human cavity. When in use, a wrapping air bag is provided at the end of the extension hose to cover and protect the optical lens, and a folding portion is provided on the outer surface of the data transmission line, and a corrugated bag is covered on the outer surface of the folding portion, and a pressure-conducting tube is used to connect the pressure-transmitting portion and the telescopic control portion. When inserted into the human cavity at the initial stage, the optical lens is protected by the wrapping air bag and will not contact the secretions in the cavity. When approaching the lesion area, the optical lens is pushed to the outside of the extension hose by pressure extension for observation, thereby reducing the contamination of the secretions to the optical lens.

The present invention relates to a balloon dilator system (1500), comprising: a balloon pump hand piece (1573) configured to pump pressurized fluid through a flexible tube to inflate an inflatable balloon, the balloon pump hand piece (1573) comprising: an attachment mechanism for removably coupling the balloon pump hand piece (1573) to a proximal end of an endoscope; the flexible tube, wherein the flexible tube is configured to be in fluid communication with the balloon pump hand piece (1573) at a first end of the flexible tube, and the inflatable balloon at a second end of the flexible tube; a hollow inner cannula; and the inflatable balloon, wherein the inflatable balloon is external to and circumferentially attached to the hollow inner cannula between the proximal end of the hollow inner cannula and the distal end of the hollow inner cannula.

A system may be operable to allow a physical subject to be viewed using information about at least one object separate from the subject overlying it. The system includes a view screen. The system is further capable of determining a position of the object relative to the subject.

The present disclosure concerns a diagnostic apparatus and related methods for assessing an internal condition of a body cavity. One such apparatus comprises a manometer integrated into an endoscope, wherein the endoscope comprises a flexible tube, the manometer is integrated into a distal end and / or exterior of the flexible tube, and a plurality of pressure sensors are spaced at intervals along a length of the manometer.

The utility model provides a visual posterior nasal nerve ablation electrode device. The visual posterior nasal nerve ablation electrode device comprises an electrode tip with a camera, a snake bone pipe and an electrode tip swing assembly. The electrode tip is sleeved on the snake bone pipe and is connected with a moving piece in the electrode tip swinging assembly through a rope beam group of the snake bone pipe; by means of the camera, a doctor can more visually find out target tissue in the ablation nasal cavity, the moving part can move when driven, then the rope beam set is pulled, the snake bone pipe is driven by the rope beam set to swing, then bending of the electrode tip is achieved, the electrode tip can accurately reach the diseased position, and tissue ablation is conducted.

Systems and methods are disclosed for an endoscope for use in a surgical procedure, e.g., a pediatric trans-nasal endoscopy procedure. The endoscope may include a handle for gripping by a user, and a shaft extending from the handle. The shaft may have a working channel extending longitudinally therethrough. When the shaft is in a fully-inserted position, the shaft may have an extracorporeal zone configured to reside proximal relative to the patient's nasal opening, a patient comfort zone configured to reside from the patient's nose through the patient's pharynx and to a top of the patient's esophagus, and a distal functional endoscopic zone configured to reside from the top of the patient's esophagus to a distalmost tip of the shaft. The patient comfort zone has a relatively higher flexibility so as to maximize patient comfort for that portion of the shaft that is maintained in the curvatures of a patient's nasal cavity during a surgical procedure.

The invention relates to an ear-nose endoscopic examination and imaging system provided with a Wood lamp and a working method of the ear-nose endoscopic examination and imaging system. The ear-nose endoscopic examination and imaging system comprises a light source device and an operation and lens device, the light source device comprises a reflective concave mirror, a xenon lamp, a first dimming lens, a second dimming lens, a rotary glass aperture, a rotary nickel hydride filter aperture and a light guide cable; the reflective concave mirror, the xenon lamp, the rotary glass aperture, the first dimming lens, the rotary nickel hydride filter aperture and the second dimming lens are arranged in sequence; the second dimming lens is arranged opposite to one end part of the light guide cable; the operation and lens device is connected with the light source device through a light guide cable. Compared with the prior art, the wood lamp and the ear-nose endoscope are combined, and the defect that the treatment effect cannot be accurately evaluated due to ear-nose fungal infection and specific bacterial infection is effectively overcome.

Various embodiments disclosed relate to drug-coated balloon catheters for treating, preventing, or reducing the recurrence of a stricture and / or cancer, or for treating benign prostatic hyperplasia (BPH), in a non-vascular body lumen and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent. In some embodiments, the balloon catheter includes a length-control mechanism which stretches and elongates the balloon when it is in a deflated state, giving the balloon a smaller cross-sectional deflated profile for tracking through the body lumen and for removal after treatment.

The embodiment of the utility model provides a nasopharynx flusher with an inner sleeve structure, and relates to the technical field of flushers, the nasopharynx flusher comprises a main machine and a bottom shell, the bottom shell is installed on the bottom surface of the main machine, a fixing pipe is fixedly connected to the top surface of the main machine, a connecting pipe connected with the main machine is fixedly connected to the fixing pipe, and the connecting pipe is connected with the inner sleeve structure. A first lens is fixedly connected in the fixing pipe, a camera is fixedly connected to the side wall of the fixing pipe, and an inner sleeve is arranged in the fixing pipe in a sleeved mode. During use, one end of the inner sleeve is inserted into the nostril of a patient, the lamp bead is turned on, the flushing function can be achieved during operation of the main machine, in the flushing process, light is reflected to the first lens through the second lens, the camera is used for shooting the first lens, and the shot picture is displayed on the display screen; at the moment, an operator can visually observe the flushing condition through a display screen, and the accuracy and convenience of flushing the nasopharynx of the patient are improved.

An endoscope device of endoscope equipment comprises a reducing sleeve set and a pipe body unit, the reducing sleeve set is detachably installed on the endoscope device, and the pipe body unit can be detachably arranged outside a penetrating pipe of the endoscope device in a sleeving mode through the reducing sleeve set. By means of the structural design of the endoscope device, the reducing sleeve set and the tube body unit, the endoscope device can be detachably connected with the tube body unit in a sleeved mode, when the tube body unit is used as a catheter, the defect that a penetrating tube of the endoscope device and the catheter are arranged in parallel in a penetrating mode in the prior art can be overcome, and therefore the endoscope device can be used as a catheter. When the tube body unit is used as a disposable mantle, the endoscope device can be prevented from being contaminated by body fluid of a patient.

The present application relates to a kind of nasal visualization sputum suction insertion system, belong to medical instrument technical field, solve the low success rate of insertion in prior art, sputum suction is not complete.The nasal visualization sputum suction insertion system includes: insertion tube, control module, display screen, elastic deformation structure, terminal sputum suction structure and miniature camera;The terminal sputum suction structure is provided with multiple sputum suction holes, and miniature camera is embeddedly installed;Display screen is arranged on the control module;The terminal sputum suction structure is communicated with one end of insertion tube by elastic deformation structure;The control module is used to control the bending of elastic deformation structure and then control the orientation adjustment of terminal sputum suction structure;The side of the insertion tube is provided with sputum suction tube interface capable of being connected with external negative pressure suction device.The present application realizes the visualized insertion of tracheal sputum suction tube, improves the success rate of intubation and the multi-angle adjustment of sputum suction direction, and can effectively suck off the sputum attached to tracheal wall.

An image processing apparatus includes a processor, in which the processor is configured to receive a picked-up image of a swallowing motion in a swallowing test in which a swallow object is provided to a subject to observe the swallowing motion, detect a color of the swallow object in the picked-up image, and perform processing for improving an image quality of the picked-up image according to a detection result of the color of the swallow object.

The present invention relates to a medical tool comprising a deflectable distal end, at least a pull wire and a coupling element. The at least pull wire has a first end coupled to the distal end of the medical tool and is configured to move to deflect the distal end. The coupling element is coupled to the second end of the pull wire and has at least two bores, the at least two bores being configured to receive at least two corresponding rods therethrough. The coupling element is configured to move along the axis of rotation of a rotatable element coupled thereto, and the bores and the corresponding rods are configured to prevent rotation of the coupling element.

The invention belongs to the technical field of medical instruments, and particularly relates to an ear-nose-throat endoscope support which comprises a base, an L-shaped clamping seat and a PLC installed on the L-shaped clamping seat, the L-shaped clamping seat is fixedly arranged on the base, two lead screws are rotationally arranged between the L-shaped clamping seat and the base, a lower clamping plate is in threaded connection between the two lead screws, and the lower clamping plate is in threaded connection with the L-shaped clamping seat. And a driving unit matched with the two lead screws is arranged on the base. According to the endoscope support, in daily use, the bearing table top can be automatically clamped and fixed, proper clamping force can be guaranteed, the complexity of a manual bolt screwing clamping mode and uncontrollability of the clamping force are avoided, meanwhile, a common angle adjusting unit can be monitored in real time, and when maintenance is needed, the angle adjusting unit can be adjusted in real time, so that the maintenance efficiency is improved. And medical staff is reminded, so that the medical staff can carry out maintenance in time.