200results 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.

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 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 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.

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 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.

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.

A multi-organ imaging system including a camera lens, a stationary, multi-examination illumination unit (SMEIU), and an attachment holder is provided. An industrial camera unit (ICU) for imaging multiple organs, for example, ear, nose, throat, and skin, is housed in a camera body. The camera lens has a fixed focal length and an iris for optimizing examination and imaging of the organs. The SMEIU is integrated to the camera body and includes illuminators arranged in a geometrical configuration. The attachment holder accommodates an organ examination attachment selected for examining an organ. The illuminators, in optical communication with one or more reflective surfaces in the organ examination attachment, produce shadowless illumination during examination and imaging of each organ, without requiring replacement of the SMEIU for examining each organ. A display unit, accommodated in a display holder detachably attached to the camera body, assists in aiming the camera lens and visualizing each organ.

Described herein are shock wave catheters and methods of use thereof for delivering an active agent of a drug to the CNS via a body lumen or cavity, such as sinonasal cavity, which can bypass the blood-brain barrier (BBB). The catheters described herein can be advanced through an intranasal passage to the nasal cavity such that at least a portion of the enclosure is disposed in the nasal cavity. The enclosure can be coated with a drug coating. The method can include filling the enclosure with a conductive fluid. At least one shock wave can be generated at a shock wave emitter of the catheter disposed within the enclosure. The at least one shock wave can cause a therapeutically effective amount of the active agent of the drug coating to be delivered to the CNS via tissue of the nasal cavity, in turn, treating central nervous system diseases.

The utility model relates to a novel optical inspection mirror which comprises a mirror body, a light source and a concave mirror, an inner cavity is arranged in the mirror body, two sides of the inner cavity are respectively provided with an observation port and an inspection port, the light source is arranged in the inner cavity, the concave mirror covers the light source, and the concave mirror is provided with a light outlet opposite to the inspection port. The concave mirror is provided with a focusing part which is opposite to the light source and forms a focusing point and a reflecting part which is opposite to the focusing point and emits light in parallel along the light outlet.

The invention discloses a controllable endoscope for nasopharyngeal carcinoma postoperative rehabilitation examination, and belongs to the technical field of endoscopes, the controllable endoscope comprises an endoscopic examination tube, a lens bearing part, a lens part, a sealing assembly, a pushing assembly and an angle adjusting assembly.When the controllable endoscope is used, a sealing air pump inflates a transparent sealing air bag, the pushing air bag is in an uninflated state, and the angle adjusting assembly is used for adjusting the angle of the lens part; when the endoscopic examination tube is inserted into one end of a nasal cavity and reaches an operation part, the sealing air pump deflates the transparent sealing air bag, the pushing air pump inflates the pushing air bag, so that the end of the lens part moves out of the inner cavity through the opening, and then the deflection air bag part moves out of the inner cavity through the deflection air pump part under the action of the deflection air pump part. The deflection angle of the lens part is adjusted, so that multi-angle examination can be carried out on the surgical site and the periphery, a basis is provided for an examiner to accurately judge the rehabilitation condition, the operation convenience of the examiner is improved, the frequency of adjusting the position of the endoscope is reduced, and the discomfort of a patient and the possibility of secondary injury are reduced.

The utility model discloses a pair of foreign body forceps for the otolaryngology department, which comprises a main body, a clamping component is arranged in the main body, and two rotating clamps are arranged in the clamping component and used for clamping; the anti-disengaging assembly is arranged in the main body, a ratchet wheel and a pawl are arranged in the anti-disengaging assembly, and the anti-disengaging assembly is matched with the clamping assembly to prevent disengaging; the monitoring assembly is arranged in the main body, a pinhole camera and a display screen are arranged in the monitoring assembly, and the monitoring assembly is used for monitoring the clamping condition; the clamping assembly comprises a rotating rod, and the rotating rod is arranged in the main body. According to the ear-nose-throat monitoring device, the anti-disengaging assembly is arranged, due to the existence of a ratchet wheel and a pawl, the two rotating clamps cannot be disengaged, the situation that clamped objects fall off accidentally is avoided, the monitoring assembly is arranged, the clamping end of the device extends into the ear-nose-throat of a patient, then a pinhole camera is turned on, and transmission is conducted through a data line; and then the clamping condition is observed through the display screen.

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.

The present invention relates to the field of medical devices and medical image processing technology, and more specifically, to an endoscope flushing method and system. Blur analysis is performed on images during surgery to determine whether the flushing conditions are currently met. In order to prevent automatic flushing from interfering with the doctor's ongoing operations, the present invention uses a surgical operation judgment algorithm that combines depth estimation and semantic segmentation, and installs a gyroscope on the endoscope to sense the movement state of the endoscope, so as to determine whether the current doctor is performing a surgical operation. Only when it is determined that the current doctor is not performing a surgical operation and the endoscopic image reaches the blurriness threshold will the automatic flushing switch be triggered, thereby achieving automatic flushing without interfering with the doctor's normal operation.

The invention provides a nasal tracheal catheter and a nasopharyngeal cavity three-dimensional sensing method. The method comprises the following steps: generating a geometric three-dimensional surface model of a nasopharyngeal cavity; associating pressure information of the outer wall of the front end of the catheter to a nearest coordinate point area on the geometric three-dimensional surface model, and marking on the geometric three-dimensional surface model through a preset threshold value to obtain a plurality of high-pressure contact points; determining the extension strength in the surface normal direction of the geometric three-dimensional surface model by taking each high-voltage contact point as the center; performing curved surface reconstruction on all the high-voltage contact points based on the extension strengths corresponding to different high-voltage contact points to obtain a safety boundary curved surface enveloped outside the geometric three-dimensional surface model; and performing spatial position judgment on a short-term predicted movement track of the catheter and the safe boundary curved surface, and generating a three-dimensional sensing path of the catheter in a safe passing area in the nasopharyngeal cavity according to a judgment result. By the adoption of the scheme, three-dimensional spatial perception of interaction force between the catheter and nasopharyngeal cavity tissue can be achieved.

The present invention discloses a method, system, and medium for automatic robot path generation. The method comprises: collecting a sequence of nasal endoscope images to be input; performing feature analysis on the nasal endoscope images using a nasal endoscope image feature extraction model to obtain features of the nasal endoscope image sequence, wherein the nasal endoscope image feature extraction model is trained using a natural image dataset; inputting the extracted nasal endoscope image sequence features into a nasal endoscope pose estimation model to estimate the pose matrix of the nasal endoscope, wherein the nasal endoscope pose estimation model is trained using multiple sets of image pose matrices; and combining the nasal endoscope pose matrices in a time series to obtain the robot's motion trajectory. The present invention can achieve real-time and accurate automatic path generation for the robot based on the image sequence.

To provide a comparative interface during a surgery by image-guided surgery (IGS) navigation.SOLUTION: A set of pre-operative images of an anatomical structure may be captured using an endoscopic camera. Each captured image is associated with a position and orientation of the camera at the moment of capture using image guided surgery (IGS) techniques. This image data and position data may be used to create a navigation map of captured images. During a surgical procedure on the anatomical structure, a real-time endoscopic view may be captured and displayed to a surgeon. The IGS navigation system may determine the position and orientation of the real-time image, and select an appropriate pre-operative image from the navigation map to display to the surgeon in addition to the real-time image.SELECTED DRAWING: Figure 1

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.

To provide an endoscope that can be made smaller in diameter. [Solution] An endoscope comprising: an insertion portion inserted into a subject; an optical system including a first lens positioned on the tip side of the insertion portion; a sensor for capturing an optical image of a subject formed by the optical system; a first holding portion for holding the first lens; an axial member fixed to the first holding portion and extending toward the base end of the first holding portion; an actuator for moving the axial member in the optical axis direction along the optical axis of the optical system; and a first restricting portion for restricting the position of the axial member in a direction perpendicular to the optical axis, wherein the direction perpendicular to the optical axis is a first direction and a second direction perpendicular to the first direction, the length of the axial member in the first direction and the second direction is shorter than the diameter of the first lens, and the length between the tip of the first restricting portion and the base end of the first restricting portion in the optical axis direction is longer than the length of the first lens in the optical axis direction.

A medical tool includes a rotatable hollow tube and one or more electrical wires. The rotatable hollow tube is defining a working channel therein for insertion of a medical instrument into a cavity of a patient body. The one or more electrical wires traverse the working channel for exchanging electrical signals with one or more electronic devices located at a distal end of the rotatable hollow tube. The working channel has a non-circular cross section for passing both the medical instrument and the one or more electrical wires, and for allowing rotation of the rotatable hollow tube relative to the medical instrument located inside the working channel in the presence of the one or more electrical wires.

The utility model discloses a protective loader of an ear-nose-throat endoscope, which comprises a storage seat, an endoscope handle clamping groove arranged on the storage seat and an endoscope tube clamping groove communicated with the endoscope handle clamping groove, and a locking mechanism used for synchronously fixing an endoscope handle and an endoscope tube is further arranged on the storage seat. The locking mechanism comprises an adjusting rod, the adjusting rod is movably arranged in an adjusting groove, the adjusting groove is formed in the portion, on one side of the mirror tube, of the upper side face of the storage base, a first connecting rod and a second connecting rod are arranged on the two sides of the adjusting rod respectively, and one end of the first connecting rod is connected with the mirror tube fixing plate; one end of the second connecting rod is connected with the mirror handle fixing plate; according to the ear-nose-throat endoscope storage device, an endoscope handle and an endoscope tube of the ear-nose-throat endoscope can be synchronously fixed, the stability of the ear-nose-throat endoscope during placement is improved, the ear-nose-throat endoscope can be conveniently taken during use, and the taking operation is convenient and fast.

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 and a distal region configured to be inserted into a patient. The endoscope may also include a steering wire extending longitudinally through the shaft from the distal region of the shaft to the steering control mechanism of the handle. The steering control mechanism may have an actuation mechanism attached to the steering wire. The endoscope may include a steering tension braking feature that enables selective engagement and disengagement by the user to brake the steering tension force on the steering wire. The endoscope may also have a steering wire slack reduction member configured to reduce unintended slack from forming along the steering wires during use. The endoscope may also have a steering wire resting tension adjustment mechanism configured to adjust a resting tension on the steering wire prior to the user tensioning the steering wire during a surgical operation.

A surgical system comprising a catheter comprising an irrigation tube, a suction tube, an occlusion balloon disposed about the irrigation tube and suction tube, and a console in operative communication with the irrigation tube and the suction tube. The surgical system also comprising a remote operations unit in communication with the console via a connector, wherein an input to the remote operations unit is communicated to the console, which in turn acts to operate the irrigation tube and suction tube in a manner corresponding to the input.