Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

23 results about "Eustachian tube" patented technology

The Eustachian tube, also known as the auditory tube or pharyngotympanic tube, is a tube that links the nasopharynx to the middle ear. It is a part of the middle ear. In adult humans the Eustachian tube is approximately 35 mm (1.4 in) long and 3 mm (0.12 in) in diameter. It is named after the sixteenth-century Italian anatomist Bartolomeo Eustachi.

Eustachian tube blowing system and using method thereof

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.
Owner:EYE & ENT HOSPITAL SHANGHAI MEDICAL SCHOOL FUDAN UNIV

Devices and methods for insertion and / or pressurization of a balloon catheter for balloon dilation of the eustachian tube and other anatomical passageways accessible through the nostril of a human

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.
Owner:VENTEUS APS

Improved ear catheter for administering medications

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.
Owner:AURIVENTIS MEDICAL GMBH

Delivery device for eustachian tube procedures

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.
Owner:VALENT MEDICAL INC

Eustachian tube blowing and expanding device and using method

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.
Owner:THE SECOND PEOPLES HOSPITAL OF SHANDONG PROVINCE (SHANDONG PROVINCIAL EAR NOSE & THROAT HOSPITAL SHANDONG PROVINCIAL INST OF EAR NOSE & THROAT)

Multifunctional transauditory tube system

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.
Owner:ALCON INC

Pressure regulating knob device of pressure measuring instrument and medical eustachian tube pressure measuring instrument

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.
Owner:MAXENMED GUANGZHOU

Multifunctional visual Eustachian tube bronchofiberscope and Eustachian tube lesion diagnosis system and method

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.
Owner:SHENZHEN PEOPLES HOSPITAL

Swallow-triggered eustachian tube inflation control system based on signal recognition

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.
Owner:BEIJING ZHONGKE MICROSTAR TECHNOLOGY CO LTD

Ophthalmic water hyacinth sclera external pressurizing device

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.
Owner:GUANGDONG SHUNDE AIER EYE HOSPITAL CO LTD

Nasal introducer and surgical instrument

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.
Owner:BIOVAS (WUHAN) MEDICAL TECH CO LTD

Irrigation and drainage catheter for Eustachian tube

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.
Owner:GUANGDONG KANGERLE MEDICAL EQUIP CO LTD

Middle ear surgical robot

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.
Owner:MAXENMED GUANGZHOU

Devices, systems, and methods of otology

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.
Owner:SPIRAL THERAPEUTICS INC

A balloon eustachian tube placement device

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
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Eustachian tube drug delivery stent and delivery device

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.
Owner:SHANGHAI MICROPORT ENTPATH MEDTECH CO LTD

Multi-lumen tube, multi-functional tube and medical multi-functional small and micro electronic endoscope device

The utility model belongs to the technical field of medical apparatus and instruments, disclose a kind of multi-cavity tube, multi-functional tube and medical multi-functional small and micro electronic endoscope device, the multi-cavity tube includes first pipe body and second pipe body;First pipe body is sleeved in second pipe body outside, and first pipe body and second pipe body are closely contacted between;The outer wall of second pipe body is equipped with recess, and recess is retracted and extends along the axial direction of second pipe body and forms cavity way.This multi-cavity tube can make the maximum effective diameter size of inner cavity passage of transmission image signal and light source not less than 25%, effectively improve the space utilization of catheter inside, realize real-time to human vas deferens, oviduct, eustachian tube and so on Small micro cavity way carries out visual observation and diagnosis, flushing, balloon dilation and aspiration and a variety of treatments, such as ball.
Owner:MAXENMED GUANGZHOU

Eustachian tube balloon dilatation catheter

The utility model discloses an auditory tube balloon dilatation catheter which comprises a liquid guide tube, a balloon and a gas guide tube, and a liquid inlet and a liquid outlet are formed in the two ends of the liquid guide tube respectively. The balloon is fixedly arranged on the catheter in a sleeving mode, the balloon is located at the position adjacent to the liquid outlet, the balloon is arranged to be conical, and the outer diameter of the balloon is gradually decreased in the direction close to the liquid inlet in the axial direction; the catheter is sleeved with the catheter, and the catheter is communicated with an inner cavity of the balloon. The extrusion force of the balloon on the inner wall of the cartilage section can be kept when the balloon is pulled out, so that secretions on the surface of the inner wall of the whole cartilage section can be conveniently extruded towards the nasopharynx, and the treatment effect is improved.
Owner:GUANGDONG KANGERLE MEDICAL EQUIP CO LTD

Eustachian tube balance household nursing device

PendingCN121926734Aeasy to useSituations that affect subsequent useEar treatmentHollow article cleaningHome useNasal passages
The invention discloses an auditory tube balance household nursing device, and particularly relates to the technical field of nursing devices.The auditory tube balance household nursing device comprises a shell, and a button is arranged on one side of the shell. According to the auditory tube balance household nursing device, by using a cleaning device, the inner wall of an air outlet pipe can be flushed, and it is avoided that part of sundries in the nasal cavity of a user are left and attached to the inner wall of the air outlet pipe; when the air outlet pipe is in contact with the nasal cavity for use subsequently, the bred bacteria not only can cause the sanitary hidden danger of the contact part of the nasal cavity, but also can influence the smoothness of airflow conduction, so that the use effect of the nursing device is improved, a limiting assembly is used for limiting the liquid inlet pipe, and the liquid inlet pipe is prevented from being stressed, moved and entangled after being used; the protection assembly is used for shielding and protecting the water pump and the valve, the situation that the water pump and the valve are damaged due to stress and the follow-up use of the water pump and the valve is affected is avoided, and therefore the service life of the cleaning device is prolonged.
Owner:THE 960TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE

Breath control assembly and ventilation therapy apparatus

The embodiment of the present application provides a kind of breathing control component and ventilation treatment equipment, wherein, breathing control component includes acquisition module, control module and gas delivery module, wherein, acquisition module is connected with control module, acquisition module includes acoustic wave detector, acoustic wave detector is used to collect the acoustic wave information of respiratory airflow, and acoustic wave information is sent to control module;Control module is connected with gas delivery module, control module is used to determine the open-close state of Eustachian tube according to acoustic wave information, and according to open-close state, the gas delivery state of gas delivery module is configured.Through the technical scheme of the present application, it can stop delivering airflow to the user when detecting that the user's Eustachian tube is open, and re-deliver gas when monitoring that the user's Eustachian tube is closed, to eliminate the health risks when the user uses the breathing control component.
Owner:BMC (TIANJIN) MEDICAL CO LTD

Carrier gas pressure variation amplitude and frequency adjustable paranasal sinus and eustachian tube therapeutic apparatus and method

The invention discloses a paranasal sinus and Eustachian tube therapeutic apparatus with adjustable carrier gas pressure variation amplitude and frequency and a method, and belongs to the technical field of medical apparatus and instruments. The device comprises a magnetic shielding sleeve, a rotating cylinder and an air chamber, the rotating cylinder is rotatably mounted between the magnetic shielding sleeve and the air chamber; an air bag is mounted in the air chamber; an air chamber hole is formed in the side wall of the air chamber, and an inner-layer magnet is mounted in the air chamber hole; the inner-layer magnet is connected with the pressing piece through the connecting rod, and the pressing piece abuts against the air bag. A rotating hole corresponding to the air chamber hole is formed in the rotating cylinder, and an outer-layer magnet is mounted in the rotating hole; and the gas chamber is connected with the gas carrying pipeline through the elastic membrane. According to the invention, after the carrier gas carrying the medicine reaches the cavity of the paranasal sinus or the eustachian tube, the inner wall of the paranasal sinus or the eustachian tube is obviously changed in form under the action of pulse air pressure, so that the medicine coverage is effectively improved, and the treatment effect of the atomization therapeutic apparatus is improved.
Owner:YOUER AI (CHANGZHOU) MEDICAL TECH CO LTD

Middle ear negative pressure therapeutic instrument

ActiveCN309731242SMiddle ear ventilationMechanical engineering
1. The name of the design product: middle ear negative pressure treatment instrument. 2. The use of the design product: by transmitting air to the eustachian tube when the patient swallows, the middle ear is ventilated, and the symptoms of ear discomfort caused by middle ear negative pressure are relieved. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:FOSHAN RUICHU TECH CO LTD