412results about "Nasoscopes" patented technology

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.

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.

Methods and apparatus for inserting and / or pressurizing a balloon catheter to balloon dilate anatomical channels, such as Eustachian tube and sinus channels, in a human head. The insertion device includes a balloon catheter guide tube for receiving and guiding a balloon catheter, and a device body rigidly attached to a proximal end of the balloon catheter guide tube. A compression device includes a syringe body having a syringe barrel, a proximal pusher guide section, an external hand or finger engagement geometry, a plunger having a distal plunger head and a plunger rod, and a pusher 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 frontal mirror for the ear-nose-throat department, and belongs to the field of frontal mirror equipment. Comprising a circular shell; a first lens and a second lens are arranged in the circular shells, the outer surface of the first lens is fixedly connected to the interiors of the circular shells, a multiple adjusting mechanism is arranged on the outer side of the second lens and comprises two first rectangular blocks, and the inner walls of the two circular shells are jointly and rotationally connected with a rotating shaft; and the outer surface of the rotating shaft is fixedly connected with a rotating gear, four second rectangular blocks and four transmission gears are arranged in the circular shell, the outer surfaces of every two transmission gears are engaged with a transmission toothed belt, and the inner walls of every two second rectangular blocks are jointly and rotationally connected with a threaded shaft. According to the forehead mirror, it can be guaranteed that when a doctor uses the forehead mirror, the distance between the first lens and the second lens can be adjusted according to different requirements of different doctors, the purpose of magnifying the part, needing to be observed, of a patient is achieved, and the doctor can see more clearly when using the forehead mirror.

The utility model provides an automatic flushing device for a nasal endoscope, which comprises a holding part and an insertion tube arranged at the lower end of the holding part, and a data line and a camera connected with the data line are arranged in the insertion tube. And a flushing assembly is arranged on the outer side of the insertion tube. The flushing assembly comprises a shell sleeve, a drainage tube and a rubber ball. The outer side of the tail end of the insertion pipe is sleeved with the shell sleeve, and an opening of the shell sleeve is in a necking shape; the drainage tube is attached to the outer wall of the insertion tube; a cavity is formed in the rubber ball, and the two ends of the drainage tube are connected with the inner wall of the shell sleeve and the cavity in the rubber ball respectively. And the rubber ball is connected with an external infusion bottle through an external infusion tube. The rubber ball is arranged to squeeze liquid in an external infusion bottle into the drainage tube and guide the liquid to the tail end of the insertion tube, so that the camera is cleaned. The problem that a lens of the nasal endoscope is fuzzy and not easy to clean in the operation process is solved.

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.

The embodiment of the invention discloses a disposable end biplane angle-adjustable fiber endoscope, relates to the field of medical instruments, and aims to solve the problem of view blind areas, the fiber endoscope comprises a handle, the handle is internally provided with a containing cavity, and the side wall of the handle is provided with a first operation opening and a second operation opening; the first end of the mirror tube is connected with the handle, the second end of the mirror tube is provided with a camera shooting unit, and a connecting line of the camera shooting unit is arranged in the mirror tube in a penetrating mode and extends into the handle; the second end of the mirror tube is bendable; the operation end of the first traction mechanism corresponds to the first operation opening, and the first traction mechanism is connected with a first traction line and a second traction line; the operation end of the second traction mechanism corresponds to the second operation opening, and the second traction mechanism is connected with a third traction line and a fourth traction line. The embodiment of the invention is suitable for the scene of patient examination in the body of the patient.

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

The invention discloses a neurosurgery nasal endoscopic instrument which comprises a rotary mounting mechanism capable of being rotationally adjusted, lifting supporting mechanisms capable of being adjusted in height are mounted on the two sides of the bottom of the rotary mounting mechanism, and mounting fixing mechanisms used for fixing the lifting supporting mechanisms are mounted at the bottoms of the lifting supporting mechanisms. The top of the rotary mounting mechanism is provided with a telescopically adjustable examination mechanism used for detecting the nasal cavity of the patient, and the position, corresponding to the examination mechanism, of the rotary mounting mechanism is provided with a distraction mechanism used for distraction of the nasal cavity of the patient. The angle of the endoscope body can be freely adjusted according to the needs of a patient, so that the endoscope body is aligned with the nasal cavity of the patient, the two hands can be liberated when the nasal cavity of the patient is examined, the working intensity of medical staff is reduced, meanwhile, the nasal cavity of the patient can be opened when the nasal cavity of the patient is examined, and the medical staff can use the endoscope conveniently. Therefore, the lens is convenient to insert, and the definition of observing the nasal cavity of a patient is 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.

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 invention relates to the technical field of medical equipment, and discloses an electronic visual nasopharyngolaryngoscope which comprises a handle shell, a visual display screen and an insertion part, the visual display screen is fixedly connected with the top of the handle shell through a support, and the insertion part is fixed to the bottom of the handle shell; the bendable lens is installed at the end, away from the handle shell, of the insertion part, a rotating hand wheel for controlling the bendable lens at the far end to conduct vertical bending angle adjustment is installed on the handle shell, a fixing frame is fixed to the position, above the rotating hand wheel, of the top of the handle shell, and a cylinder body is fixedly connected to the top of the fixing frame through a connecting plate; under the action of the designed anti-interference unit, the power unit and the air suction unit, liquid residues on the lens can be blow-dried and removed while the angle of the bendable lens is adjusted, and it is guaranteed that the observation lens is in a clear state; therefore, the shooting effect of the bendable lens can be improved without taking out the nasopharyngeal laryngoscope.

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.

The invention discloses an objective optical system for a paranasal sinus endoscope, which comprises a first lens group with negative focal power, a second lens group with positive focal power, a diaphragm, a third lens group with negative focal power and a fourth lens group with positive focal power in sequence from an object side, and meets the following conditional expressions: (1) 14.0 lt; vd (RN) lt; 19.6, 19.6; (2) 18.0 lt; vd (RN) lt; 23.3, 23.3; (3) 380 lt; vd (RN) / (ng-nF) lt; 1080, 1080; (4) vd (RP) + vd (RN) lt; 79); (5) f1 / flt; -1.1,...,-1.1; (6) f2 / flt; -2.2,-2.2; (7) 1.92 lt; f < 2 > is 6 / f < lt >; 3; the effect of inhibiting magnification chromatic aberration is achieved, the requirement for a large clear range can be met, and confocal of white light and fluorescent light is achieved; meanwhile, optical shooting guarantee is provided for the paranasal sinus endoscopic medical imaging technology, the completeness and authenticity of optical data are guaranteed, and the effectiveness of the optical data is improved for imaging medical treatment and remote medical treatment.

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.