46 results about "Eustachian tube" patented technology

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.

The invention discloses a Eustachian tube blowing VR training method and system based on an image sensor, and relates to the technical field of biological feature recognition, the method comprises the steps that training tasks are set, corresponding VR scenes are constructed, and each task corresponds to a tympanic membrane standard motion model; a user wears VR equipment to select a training task, the system collects tympanic membrane image data, extracts dynamic characteristic parameters such as tympanic membrane displacement, deformation curvature and response frequency, compares the dynamic characteristic parameters with a standard model, generates a training score and displays the training score in a VR environment. The technical problems that the training effect is difficult to guarantee and the user experience is poor due to the fact that an existing Eustachian tube blowing training method lacks an objective quantitative evaluation and real-time feedback mechanism are solved, objective quantitative evaluation and real-time feedback of the tympanic membrane dynamic characteristics are achieved by combining the VR technology and the image sensor technology, and the training efficiency is improved. And the technical effects of training effect and user experience are obviously improved.

Disclosed embodiments relate to devices, systems, and methods of shaping, shrinking, opening, dilating, stiffening, or otherwise modifying a Eustachian tube and its surrounding tissue in order to improve the Eustachian tube's function. For example, patients with blocked, closed, or hypertrophic Eustachian tubes may be able to achieve improved function including easier equalization of pressure between the inner ear and environment.

The invention discloses a Eustachian tube blowing system which comprises a blowing device, a training APP device in data connection with the blowing device and a terminal device in data connection with the training APP device. A pressure sensing device, a pressure adjusting device and a display screen electrically connected with the pressure sensing device are arranged in the blowing equipment; the training APP equipment comprises a data receiving module, a data processing module, a training module and a storage module; the terminal device comprises a diagnosis module. The over-blowing device is used for conducting active blowing operation on a patient, the pressure adjusting structure adjusts the blowing pressure of the blowing device to the numerical value during ventilation, training is conducted multiple times according to the numerical value, the middle ear air pressure balance can be effectively recovered, and the rehabilitation effect is guaranteed; the training data is stored through the storage module, the training data generated last time can be directly used for adjusting the pressure range for training when the terminal equipment conducts air blowing operation again, and the training efficiency can be improved.

The invention relates to an ear catheter for introduction into an auditory tube, comprising a catheter cartridge (2) having at least three lumens, a first lumen as an administration lumen (2a) for drug administration, a second lumen as a dilation lumen (2b) for dilating the balloon (17), and a third lumen as a pressure relief lumen (2c) for relieving pressure in the middle ear region. In order to prevent the outflow of the drug from the administration lumen (2a) and in order to prevent the outflow of the dilation fluid from the dilation lumen (2b), corresponding one-way valves (11, 12) are provided, and a pressure limiter (13) is provided in order to limit the pressure of the balloon.

The present invention discloses an OCT checker, which includes a push rod comprising a handgrip portion and a rod body, wherein the handgrip portion is located at the front end of the rod body; a fixed rod which is in a transparent hollow shape, and the push rod is displaced back and forth along the axial direction of the fixed rod through the front end opening of the fixed rod; a scale which is located on the outer peripheral wall of the rod body or the fixed rod, and the 0 scale line of the scale is in the same horizontal plane as the front end of the fixed rod; a sleeve which is fixed to the end of the fixed rod, and the diameter of the sleeve is smaller than the diameter of the fixed rod. The present invention also discloses an OCT inspection device applied to the eustachian tube, which includes a catheter and the above-mentioned OCT checker, and the catheter penetrates through the cavity of the OCT checker. The device provided by the present invention does not need to clamp the internal tissue of the eustachian tube and can inspect the eustachian tube without damage.

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.

The present invention relates to an ear catheter for insertion into the Eustachian canal, comprising a catheter tube (2) with at least three lumens: a first lumen as an administration lumen (2a) for administering a drug, a second lumen as an inflation lumen (2b) for inflating a distally disposed inflatable balloon (17), and a third lumen as a pressure relief lumen (2c) for relieving pressure in the middle ear region. One-way valves (11, 12) are provided to prevent backflow of drug from the administration lumen (2a) and inflation fluid from the inflation lumen (2b), and a pressure limiting device (13) is provided to limit the pressure in the balloon.

This invention provides a biodegradable Eustachian tube support and a biodegradable Eustachian tube support system. The biodegradable Eustachian tube support includes a connected Eustachian tube receiving portion and a middle ear receiving portion. The Eustachian tube receiving portion, when in an expanded state without external force, is tubular and has a hollow, through-hole cavity. After implantation into the Eustachian tube, the Eustachian tube receiving portion is in the expanded state to open the Eustachian tube. The middle ear receiving portion includes a linear base structure. When not subjected to external force, the base structure itself forms a three-dimensional winding shape in space. After implantation into the tympanic cavity, the base structure forms the three-dimensional winding shape, filling the area of ​​the tympanic cavity adjacent to the Eustachian tube to maintain communication between the tympanic cavity and the Eustachian tube, while preventing the Eustachian tube receiving portion from sliding. Both the Eustachian tube receiving portion and the base structure are made of biodegradable materials.

There is provided a device for eustachian tube treatments having a handle section with proximal and distal ends where the handle section has a dilator control with at least first and second positions. The dilator control is connected to a plate internal to the handle section, which is connected to an internal shaft. An insertion tube is connected to the plate and extends from the distal end of the handle section. A protective sleeve is inside of the insertion tube and connected to the plate. A dilator is connected at a first end to the plate and collapsed within the protective sleeve, with the dilator expanding when moved to a position external to the distal end of the insertion tube and the protective sleeve is withdrawn back into the insertion tube. The dilator maintains the eustachian tube open for delivery of laser energy or therapeutics to a desired treatment area.

Ear catheter device for introducing a substance into the middle ear of a patient, comprising a catheter (12; 112; 212; 312; 412), a tubular introducer (10; 110; 210; 310; 410) for introducing the catheter (12; 112; 212; 312; 412) from the nose through the Eustachian tube into the middle ear, and a closure element (14; 114; 214; 314: 414) surrounding the distal end of the catheter for closing the Eustachian tube, characterized in that the closure element is supported on the distal end of the introducer (10; 110; 210; 310; 410) and firmly connected to the catheter (12; 112; 212; 312: 412). connected plug (14; 114; 214; 314; 414) made of elastomeric material.

The invention discloses an auditory tube blowing device and a using method, and belongs to the technical field of auditory tube blowing devices. The auditory tube blowing device comprises a shell, a motor is arranged in the shell, an air pump is arranged at one end of the motor, an air pump exhaust port is formed in one end of the air pump, an air inlet and a pressure relief port are formed in one side of the air pump, and a connecting pipe is arranged at one end of the pressure relief port; an electronic pressure release valve and a mechanical pressure release valve are arranged at one end of the connecting pipe and are connected in parallel or in series; one end of the shell is provided with a fixing piece, one end of the fixing piece is provided with a connector, one end of the connector is provided with a plug, the plug is communicated with an air pump exhaust port, and one end of the air pump exhaust port is provided with an air pressure detection port; and the air pressure detection device is arranged on the plug, the end part of the plug and a connecting port between the air pump exhaust port and the lower end of the fixing piece. And through double pressure relief protection and pressure monitoring, pressure closed-loop control is achieved, and requirements of different use scenes are met. Pressure dynamic changes are captured in real time, abnormal conditions are quickly responded, and operation safety is guaranteed.

The present disclosure relates generally to a transauditory tube multifunction system. The transauditory tube multifunction system includes a body configured for placement within the auditory tube, the body including a proximal end, a distal end, a cross-sectional shape, a longitudinal extension, an outer wall configured for placement proximate a wall of the auditory tube, and an interior portion defining a passageway; and a distal anchor disposed proximate the distal end, the distal anchor configured to releasably anchor the body against a wall of the Eustachian tube.

The utility model discloses a pressure regulating knob device of a pressure measuring instrument and a medical eustachian tube pressure measuring instrument, the pressure regulating knob device comprises a pressure regulator and a pressure regulating knob, the pressure regulating knob is provided with a pressure regulating cavity, and one end of the pressure regulator extends into the pressure regulating cavity and is connected to the inner wall of the pressure regulating knob; a buffer positioning mechanism is fixed in the pressure regulating knob and is positioned in the pressure regulating cavity, and at least part of the buffer positioning mechanism extends out of the pressure regulating cavity; a panel is arranged between the pressure regulator and the pressure regulating knob, a positioning part is arranged on the panel, a telescopic positioning piece is arranged on the buffer positioning mechanism, and when the positioning piece is matched with the positioning part, the positioning piece is in a stretching state; the panel is further provided with a pressure adjusting limiting mechanism used for limiting rotation of the pressure adjusting knob. And the pressure regulating limiting mechanism and the positioning part are positioned in an orthographic projection range of the pressure regulating knob on the panel. Damage and abrasion are not prone to occurring, and maintenance and use cost is low.

The embodiment of the invention provides a multifunctional visual Eustachian tube bronchofiberscope and an Eustachian tube lesion diagnosis system and method, and belongs to Eustachian tube lesion diagnosis. The multifunctional visual auditory tube bronchofiberscope comprises an operating handle, an insertion assembly and a connecting assembly, the operating handle comprises a function switching key set and a direction control button, the function switching key set is used for switching different imaging modes, and the direction control button is used for controlling the insertion assembly to rotate by 360 degrees; the insertion assembly comprises an insertion assembly head end and an insertion assembly tail end, the insertion assembly head end is connected with the operating handle, the insertion assembly middle end is provided with an optical observation window, an instrument channel outlet and a hollow expandable balloon, the optical observation window is used for collecting image information, the instrument channel outlet is used for allowing diagnosis and treatment instruments to go in and out, and the hollow expandable balloon is used for allowing the diagnosis and treatment instruments to go out. The hollow expandable balloon is used for expanding a narrow Eustachian tube wall in a full state; the connecting assembly is connected with the operating handle, and the connecting assembly is used for transmitting optical signals and image signals. According to the embodiment of the invention, the positioning accuracy of the Eustachian tube lesion can be improved.

This invention relates to the field of medical device control technology and discloses a swallowing-triggered Eustachian tube inflation control system based on signal recognition. The system includes an electromyography (EMG) acquisition module, a nasal actuation module, a pressure sensing module, a gas storage module, an air pump module, a solenoid valve module, and a main control module. The EMG acquisition module acquires electrophysiological signals from the swallowing muscles; the pressure sensing module acquires nasal cavity pressure fluctuation signals and actual pressure data; the main control module confirms the effective swallowing cycle based on the received electrophysiological signals and pressure fluctuation signals, calculates the optimal ventilation timing, and determines the target conduction pulse width time. It then controls the solenoid valve module to open according to the target conduction pulse width time, quantitatively releasing compressed gas from the gas storage module into the user's nasal cavity. This invention achieves synchronous airflow triggering through physiological signal fusion and self-calibrated dynamic thresholds, and utilizes a bypass blind cavity and interruption depressurization mechanism to prevent cross-contamination and pressure damage.

The utility model relates to the technical field of external sclera pressurizing devices, and discloses an ophthalmology department water hyacinth external sclera pressurizing device which comprises a handheld hollow pipe, one end of the handheld hollow pipe is connected with a connecting hollow pipe, a balloon is arranged at the end, away from the handheld hollow pipe, of the connecting hollow pipe, and a connecting ball piece is arranged at the end, close to the handheld hollow pipe, of the connecting hollow pipe. The interior of the connecting ball piece is hollow, the side, facing the handheld hollow pipe, of the connecting ball piece is provided with an opening, the end, close to the connecting hollow pipe, of the handheld hollow pipe is fixedly connected with a rotating arc-shaped ball, the side, facing the connecting hollow pipe, of the rotating arc-shaped ball is provided with an opening, and the rotating arc-shaped ball is rotationally connected into the connecting ball piece. When the angle of the handheld hollow pipe and the angle of the connecting hollow pipe are adjusted, the position of the connecting hollow pipe is fixed, the handheld hollow pipe is rotated, the rotating arc-shaped ball rotates in the connecting ball piece, the angle between the handheld hollow pipe and the connecting hollow pipe is rotated to a proper angle, medical staff can use the device conveniently, and the application range of the whole device is widened.

The invention discloses a medical operation unit and a middle ear surgical robot, and belongs to the technical field of medical instruments.The medical operation unit comprises a balloon dilatation assembly, a first driving assembly, a second driving assembly, a third driving assembly and a fourth driving assembly, the balloon dilatation assembly is installed on the first driving assembly, and the second driving assembly is installed on the third driving assembly; the first driving assembly is installed on the second driving assembly, the second driving assembly is rotatably installed on the third driving assembly, and the third driving assembly is rotatably installed on the fourth driving assembly; in the first direction, the first driving assembly is in sliding fit with the second driving assembly; in the second direction, the second driving assembly is in running fit with the third driving assembly; and in the third direction, the third driving assembly is in running fit with the fourth driving assembly. The balloon dilatation device is used for solving the problems that inconvenience is caused during manual operation of an existing Eustachian tube balloon dilatation, operation accuracy is improved, operation wounds are reduced, and fatigue of doctors is relieved.

The embodiment of the application provides a nasal introducer and surgical instrument, relates to the technical field of implanting instrument, and solves the problem that the front end of the eustachian balloon is easy to scratch the human body tissue in the pushing process in the prior art. The nasal introducer comprises a fixing device, a pushing tube and an elastic piece, the fixing device comprises a sliding part and an inner sleeve, the inner sleeve is provided with a containing chamber, the pushing tube is in plug-in cooperation with the fixing device, a groove is formed in the wall of the pushing tube, the sliding part is used for sliding in the groove, the elastic piece is arranged in the groove, one end of the elastic piece is connected with the bottom wall of the groove, and the other end of the elastic piece is connected with the top end of the sliding part. When the front end of the eustachian balloon in the embodiment of the application touches the human body tissue, the front end of the eustachian balloon will rebound, and the human body tissue will not be directly scratched, so that when the pre-detection is inaccurate, the human body tissue is directly scratched, the eustachian tube tissue is protected, and the risk of the operation is effectively reduced.

The utility model discloses a Eustachian tube flushing drainage catheter which comprises a catheter body and a catheter head, a flushing cavity and a drainage cavity are formed in the catheter body in the axial direction, the flushing cavity penetrates through the catheter body, the drainage cavity is arranged around the flushing cavity, and the drainage cavity is used for draining secretions in a tympanic chamber and an Eustachian tube; one end of the tube body is sleeved with the guide head, a liquid outlet channel is formed in the guide head in the axial direction and penetrates through the guide head, a flushing opening is formed in the side wall of the guide head in the radial direction of the guide head and communicates with the liquid outlet channel, the liquid outlet channel communicates with the flushing cavity channel, and a drainage opening is formed in the side wall of the end, close to the guide head, of the tube body and communicates with the drainage cavity channel. And the wall surfaces of the eustachian tube and the tympanic chamber can be conveniently flushed and drained from multiple directions, so that the flushing and drainage efficiency and quality are improved.

The utility model discloses a middle ear surgical robot which comprises a driving mechanism and a medical operation unit, and the medical operation unit is rotationally installed on the driving mechanism. The medical operation unit comprises a balloon dilatation assembly, an image assembly and a plurality of driving assemblies, the balloon dilatation assembly comprises a guide tube, an air cylinder, a balloon dilatation catheter and a balloon, the balloon dilatation catheter is inserted into the guide tube, the balloon is installed at the first end of the balloon dilatation catheter, the second end of the balloon dilatation catheter communicates with the air cylinder, and the air cylinder communicates with the image assembly; the driving assembly pushes the air cylinder to enable the medium to flow into the balloon or flow out of the balloon, and moves and / or rotates the balloon dilatation assembly; the image assembly comprises a camera and an image processing control part, the camera is arranged at the front end of the guide tube, and the camera is electrically connected with the image processing control part. The balloon dilatation device is used for solving the problems that inconvenience is caused during manual operation of an existing Eustachian tube balloon dilatation, operation accuracy is improved, operation wounds are reduced, and fatigue of doctors is relieved.

The utility model discloses a paranasal sinus and eustachian tube pulse oscillation dosing device which comprises a main machine body, a communicating pipe, a screen type atomizer and a nose-entering type nozzle, the first end of the communicating pipe is connected to the main machine body, the screen type atomizer is connected to the second end of the communicating pipe, the nose-entering type nozzle is connected to the third end of the communicating pipe, and the screen type atomizer is connected to the first end of the communicating pipe. The main machine body comprises a shell, a pulse oscillation generator and a power source, wherein the pulse oscillation generator and the power source are located in the shell, and dosing of the paranasal sinus and the eustachian tube can be achieved.

The utility model relates to the technical field of auxiliary medical facilities, and discloses an epidural catheter clamping forceps for probing the Eustachian tube, which comprises a support, an anti-skidding edge is arranged on the upper surface of the support, a notch is arranged on the upper surface of the support, a rotating rod is rotatably arranged between the front inner wall and the rear inner wall of the notch, and the outer surface of the rotating rod is fixedly connected with a rotating disc. A support is fixedly arranged on the outer surface of the rotary disc in an inserted mode, a supporting rod is fixedly arranged on the outer surface of the rotary disc in an inserted mode, a clamping head is fixedly connected to the other end of the supporting rod, an arc-shaped groove is formed in the lower surface of the clamping head, and a shifting plate is fixedly connected to the lower end of the outer surface of the rotary disc. When the epidural catheter is used for eustachian tube probing work in an operation, the epidural catheter can be stably clamped through the clamp, the catheter is prevented from falling off, the catheter cannot be flattened while the clamping force of the clamp is guaranteed, and therefore it is guaranteed that medical workers stably use the clamp to conduct auxiliary pushing on the catheter.

Devices, systems, and methods can be used to facilitate performing procedures in the outer, middle, and / or inner ear in order to diagnose and / or treat diseases, including but not limited to hearing loss and other ear diseases. For example, devices, systems, and methods are described herein that include instruments and techniques to minimize invasiveness and / or enhance the efficacy of procedures performed in the outer, middle, and / or inner ear space, such as, for example, mastoidectomy, tympanoplasty, cholesteatoma treatment, otosclerosis treatment, and Eustachian tube treatment.

The utility model discloses a Eustachian tube plug tube with a support. The Eustachian tube plug tube comprises a plug tube body and a balloon support. A containing hole is formed in the plug tube body in the axial direction, and the balloon support is arranged in the containing hole. After the plug tube body is guided into a preset position of the Eustachian tube, the stent of the balloon stent is expanded under the action of the balloon, so that the plug tube body is fixed on the Eustachian tube. According to the Eustachian tube plug tube, the plug tube body is fixed to the Eustachian tube through the built-in support, the Eustachian tube plug tube does not need to penetrate through the isthmus of the Eustachian tube and does not need to be fixed to the isthmus of the Eustachian tube, the pain of a patient is relieved, and a doctor can operate the Eustachian tube plug tube easily.

The application provides a eustachian tube balloon placement device, and belongs to the technical field of medical auxiliary equipment, which comprises a main guide tube, a plurality of groups of placement sleeves, a plurality of groups of moving assemblies, four groups of traction assemblies, a plurality of groups of push-pull assemblies and a plurality of connecting parts. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is fixedly connected with the balloon. The end part of the last placement sleeve is

This invention relates to a Eustachian tube drug-eluting stent and delivery device. The Eustachian tube drug-eluting stent includes an expandable stent body and an opening adjustment component connected to the stent body. The stent body is a tubular structure with an internal channel, and both its front and rear ends have openings. The opening adjustment component is positioned near the opening at the rear end. When the stent body is inflated, the opening adjustment component partially closes the channel. The stent body and opening adjustment component are compressed into a gripped state and delivered into the Eustachian tube. The stent body gradually expands within the Eustachian tube until its outer surface adheres to the inner wall of the Eustachian tube, allowing medication to be loaded onto the stent body for treatment of the Eustachian tube. The opening adjustment component is connected near the opening at the rear end of the stent body, partially obstructing the channel of the stent body and preventing the Eustachian tube from remaining completely open, thus reducing the occurrence of complications caused by the Eustachian tube being in an open state for an extended period.

The Eustachian tube stent comprises a stent body and the stent body releasing device, the stent body is of a biconical hourglass structure, the two ends of the stent body are square belts (6-8), the middle of the stent body is provided with rhombic grids, the stent body is made of nickel-titanium alloy, the total length of the stent body is 25-35 mm, the outer diameter of the large end of the stent body is 6-9 mm, the outer diameter of the small end of the stent body is 3-4 mm, and the outer diameter of the thin waist of the stent body is 1-2 mm; the stent releasing and feeding device comprises a catheter (with scales), a push wire (an end ball head), a clamping stop head (thread adjustment) and a handle, and the placement depth of the stent is locked by rotating the stop head.

The invention discloses an ear canal sound signal acquisition device and method based on an earphone form, and the device comprises a signal acquisition module which carries out the convergence and collection of sound signals in an ear canal, and converts the sound signals into electric signals; the data transmission module is used for transmitting the electric signal output by the signal acquisition module to the multi-mode sound signal processing and output module; and the multi-mode sound signal processing and output module is used for receiving the electric signals acquired by the signal acquisition module, performing signal processing operations such as adjustable gain amplification, adjustable band-pass filtering, analog signal digital sampling and noise suppression, and completing sound signal output of different modes. According to the invention, high signal-to-noise ratio acquisition of auditory meatus sound signals (such as swallowing sound, auditory tube open sound, tympanic membrane vibration sound and the like) of a user can be realized by adopting a non-intrusive method outside the auditory meatus. The device has medical detection performance and wearing comfort of consumer electronics, is suitable for swallowing function evaluation, otological disease diagnosis, Eustachian tube blowing effect detection, health monitoring and other scenes, and can be extensively applied to remote medical treatment and personal health management.