75 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.

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.

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.

The visual Eustachian tube examination and treatment device with the suction function comprises an Eustachian tube endoscope, a sheath tube indexing and transposition locking assembly and a balloon assembly, wherein the balloon assembly is arranged between the sheath tube indexing and transposition locking assembly and the Eustachian tube endoscope. The sealing joint assembly of the balloon assembly is installed in the sheath tube indexing transposition locking assembly, the assembly is located outside the human body in the treatment process, the size of the sealing joint assembly can be properly enlarged according to the technological conditions, and the manufacturing difficulty of the balloon assembly is reduced; by changing the length of the sealing joint, the combination of the balloons with different lengths and the same endoscope is realized, and the endoscope is used for treating different patients; according to different relative positions of the treatment ear and the doctor caused by the lying position of the patient, the angle of the sheathing canal and the endoscope is adjusted; the balloon hollow tube is located in the sheath tube and forms a suction channel with the sheath tube, the end of the sheath tube is a suction inlet, and a suction tube externally connected with a negative pressure suction device is arranged on a sealing connector assembly in the balloon assembly, so that the nasal cavity aspirator has the suction function of cleaning hydrops in the nasal cavity.

Some implementations of the disclosure are directed to a eustachian tube dilator system including: a housing for removably inserting an endoscope, the housing including an insert ratchet mechanism or top down ratchet mechanism configured to couple to a proximal rigid end of the endoscope; and a hollow balloon cannula coupled to and distally extending from the housing, the hollow balloon cannula including a curved distal end configured to couple to a flexible distal end of the endoscope, and the hollow balloon cannula configured for insertion of a balloon catheter used for eustachian tube dilation such that a distal balloon of the balloon catheter is advanced through the hollow balloon cannula from a proximal opening of the hollow balloon cannula to a distal opening of the hollow balloon cannula.

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 invention relates to an ear catheter device for introducing a substance into the middle ear of a patient, comprising a catheter (12), a tubular insertion aid (10) for inserting the catheter (12) from the nose through the Eustachian tube into the middle ear, and a sealing element (14) surrounding the catheter at the distal end, for sealing the Eustachian tube, characterized in that the sealing element is a plug (14) which is supported on the distal end of the insertion aid (10) and fixedly connected to the catheter (12) and which is made of elastomeric material.

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 utility model relates to the technical field of medical instruments, and discloses a Eustachian tube blowing and expanding device which comprises an air bag ball, a conical tube is integrally formed at the end, away from the air bag ball, of an air outlet tube, an anti-skid ring is integrally formed on the outer wall of the conical tube, and a rubber tube is fixedly arranged on the outer wall of the conical tube in a sleeved mode. And a movable pipe is movably inserted into the rubber pipe, the outer wall of the movable pipe is fixedly sleeved with an annular frame, and a blowing expansion pipe is integrally formed at the end, away from the rubber pipe, of the movable pipe. According to the Eustachian tube blowing and expanding device, the rubber tube and the blowing and expanding tube are stuffed into the Eustachian tube of a patient, the air bag ball is pressed, air in the air bag ball enters the rubber tube, and the air flows out through the blowing and expanding tube, and compared with the prior art, the Eustachian tube blowing and expanding device has the advantages that the effect of blowing the Eustachian tube is achieved, and the air bag ball is not prone to falling off. The problems that an existing eustachian tube blowing and expanding device is large in size and complex to use, and pain of a patient is increased are solved.

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 invention discloses an Eustachian tube endoscope, which comprises a handle body, an examination unit, a first driving unit, a second driving unit and a treatment unit, and is characterized in that the handle body comprises a sleeve; the examination unit comprises a catheter and a camera, the catheter penetrates through the sleeve in a sliding mode, one end of the catheter is of a bendable structure, and the camera is fixedly connected with one end of the catheter and used for shooting the interior of the eustachian tube; the first driving unit is connected with the other end of the guide pipe and used for driving the guide pipe to reciprocate in the length direction of the sleeve. The Eustachian tube endoscope has the advantages that the condition in the Eustachian tube is observed through the camera, the camera can be alternately bent towards the two sides in the plane, the shooting angle of the camera is changed, the Eustachian tube endoscope can have a large observation range in a narrow nasal cavity, and therefore the situation that a visual angle which cannot be shot exists in the Eustachian tube is avoided; and the surgical operation is more convenient.

The present disclosure generally relates to a trans-eustachian multi-function system. The trans-eustachian multi-function system comprises a body configured for disposition within a eustachian tube, the body comprising a proximal end, a distal end, a transverse cross-sectional shape, a longitudinally-extending length, an outer wall configured for disposition proximate a wall of the eustachian tube, and an inner portion defining a passageway; and a distal anchor disposed proximate the distal end, the distal anchor configured to releasably anchor the body against the wall of the eustachian tube.

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 invention discloses a manual push-pull type Eustachian tube endoscope which comprises a handle body, an inspection unit, a first driving unit and a second driving unit, and the handle body comprises a sleeve; the examination unit comprises a catheter, a push-pull tube and a camera, the catheter penetrates through the sleeve in a sliding mode, one end of the push-pull tube extends into the catheter from the other end of the catheter in a sliding mode, one end of the push-pull tube is fixedly connected with one end of the catheter, one end of the catheter and one end of the push-pull tube are each of a bendable structure, and the camera is arranged in the catheter. The camera is fixedly connected with one end of the conduit; and the first driving unit is connected with the other end of the guide pipe. The device has the advantages that the push-pull pipe is adopted to replace a steel wire rope to push and pull the guide pipe, one end of the guide pipe is bent towards the two sides alternately, the structure of the push-pull pipe is more stable, the operation precision of the whole device can be guaranteed, and in addition, the structure manufacturing cost of the push-pull pipe 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.

A dilation catheter apparatus includes a shaft, an expandable dilation member, and a bulbous tip. The shaft has a first outer cross-sectional dimension. The dilation member is positioned proximal to the distal end of the shaft. The dilation member is operable to transition between a non-expanded configuration and an expanded configuration. The dilation member is sized to pass through a passageway associated with drainage of a paranasal sinus or a Eustachian tube when the dilation member is in the non-expanded configuration. The bulbous tip is positioned at the distal end of the shaft. The bulbous tip is distal to the dilation member. The bulbous tip has a second outer cross-sectional dimension. The second outer cross-sectional dimension is larger than the first outer cross-sectional dimension. The bulbous tip is removably secured to the distal end of the shaft.

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.

Ear catheter device for introducing a substance into the middle ear of a patient, comprising a catheter (12; 112), a tubular introducer (10; 110) for introducing the catheter (12; 112) from the nose through the Eustachian tube into the middle ear, a closure element (14; 114) surrounding the catheter (12; 112) at its distal end for closing the Eustachian tube, and a non-return valve (26; 126) associated with the catheter (12; 112), characterized in that the closure element is a plug (14; 114) made of elastomeric material, supported on the distal end of the introducer (10; 110) and firmly connected to the catheter (12; 112).