28 results about "Mastoid process" patented technology

The invention discloses a mastoid balloon and a balloon dilatation catheter, and relates to the technical field of medical instruments. The mastoid balloon comprises a balloon main body, an expandable body and a plurality of bulges, the expandable body is arranged on the peripheral wall of the balloon main body and extends along the length direction of the balloon main body, and the expandable body is provided with a fluid inlet for introducing fluid and a fluid channel communicated with the fluid inlet, so that the expandable body can expand or contract under the action of the fluid; the protrusions are arranged on the expandable body and distributed at intervals in the length direction of the expandable body. The convex point structure of the mastoid balloon is improved, the height of the convex points can be adjusted, the balloon is effectively prevented from sliding when a stenosis lesion is expanded, and the treatment effect and efficiency are improved.

The invention discloses an artificial cochlea implantation automatic path planning method based on multi-objective optimization, and relates to the technical field of medicine, and the method comprises the steps: S1, key structure segmentation; s2, generating a candidate path; s3, performing path evaluation; and S4, solving an optimization problem: solving a multi-objective optimization problem by using a genetic algorithm, defining a fitness function and integrating a plurality of objectives, the optimization objectives including minimizing path length, minimizing deviation with an ideal bone surface angle, minimizing bone grinding distance and maximizing the shortest distance with a key structure. According to the artificial cochlea implantation automatic path planning method based on multi-objective optimization, a key anatomical structure is segmented through deep learning, a candidate path set from mastoid to a niche is generated, a multi-objective optimization problem is solved by using a genetic algorithm, and an optimal path meeting clinical constraints is selected. When the method is applied to preoperative planning of an artificial cochlea implantation operation, the safety and accuracy of the operation can be remarkably improved.

An apparatus, including an array of electrodes and an implantable therapeutic substance reservoir, wherein the apparatus is an implantable portion of a cochlear implant, the apparatus is configured so that the therapeutic substance reservoir extends from a location behind an ear canal of a human between a mastoid bone and skin of the human to the cochlea when the apparatus is fully implanted in a recipient, and the reservoir is completely integrated into the implantable portion of the cochlear implant.

The invention discloses an SLM-based super-hydrophobic structure with multi-stage mastoids and a forming method thereof. The forming method comprises the following steps: S1, providing a matrix; s2, iron-based amorphous alloy powder is provided; s3, processing a super-hydrophobic structure with a multistage mastoid shape on the substrate by utilizing the iron-based amorphous alloy powder through a selective laser melting forming method; wherein in the processing process, the shape of the multi-stage mastoid process is simulated by utilizing a spheroidizing phenomenon of selective laser melting forming. According to the method, the super-hydrophobic structure with the multi-stage mastoid shape is simulated through the spheroidizing phenomenon generated in the SLM forming process, and therefore the more complex super-hydrophobic structure with the larger surface area can be machined more efficiently. Moreover, the super-hydrophobic structure with the multi-stage mastoid shape realizes the super-hydrophobic function based on the structural characteristics of the super-hydrophobic structure, post-treatment is not needed, the technological process is simplified, the production cost is reduced, and the production efficiency is improved.

A Peripheral Nerve Stimulation (PNS) system and method are disclosed. The system includes a headset with ear hooks and electrodes for placement on the mastoid processes. A stimulation device connected to the headset via lead wires delivers a pulsed electrical current to the electrodes. The device communicates with a computing device equipped with a mobile application that controls the stimulation characteristics. The mobile application allows users to adjust settings, monitor progress, and access treatment sessions. The system also includes snap ports for electrode attachment, self-adhesive hydrogel electrodes, and current control mechanisms using a digital potentiometer and waveform generator. The method includes pre- and post-session anxiety rating, personalized treatment based on user inputs, and tracking of physiological biomarkers. The application supports multiple operating systems, secure cloud data storage, and enables data sharing with healthcare providers. The invention provides a comprehensive, customizable, safe solution for managing anxiety and insomnia.

The present disclosure provides an array measuring method and interpretation device for ultrasonic detection of middle ear effusion, including an ultrasonic probe, an ultrasonic receiver, an analog-to-digital converter, and an analysis unit. The surface of the mastoid is divided into a plurality of measurement areas, and when ultrasonic is used for non-invasive detection of middle ear effusion, linear discriminant analysis is used for pre-training to find the best detection position and weighting parameters thereof to obtain the accurate evaluation value.

The present invention relates to a surgical template (OS) for use in the temporal bone region, particularly within a framework for performing radical mastoidectomy, comprising a template body (SK) having an outer surface (AS) and an inner surface (IS) on which the template body (SK) should be positioned on the temporal bone. [Solution] The template body (SK) is penetrated by an opening (D) that extends from the outer surface (AS) to the inner surface (IS), and the opening (D) of the template body (SK) is defined by an outer edge (AR) that corresponds to the outer contour of the temporal bone portion to be removed.

The invention relates to an alkaline electrolytic water hydrogen production system, in particular to an asymmetric mastoid type polar plate used for an alkaline electrolytic bath, which can ensure uniform flow of alkaline liquor at a cathode and an anode and guarantee electrolytic efficiency, and comprises a polar plate body, a cathode-to-mastoid process facing the cathode and an anode-to-mastoid process facing the anode are arranged on the polar plate, and the cathode-to-mastoid process and the anode-to-mastoid process are arranged on the polar plate body. The electrode is characterized in that the height from the cathode to the mastoid process is 4.5-5.5 mm, and the height from the anode to the mastoid process is 3.5-4.5 mm.

The invention relates to the technical field of medical instruments, and provides a mastoid balloon and a balloon dilatation catheter. The mastoid structure is arranged on the outer surface of the balloon body; the mastoid structure comprises mastoid points and an inner supporting piece, at least part of the inner supporting piece is arranged in the mastoid points, and the end, away from the balloon body, of the inner supporting piece is a sharp part; after the balloon body is expanded, the sharp part of the inner supporting piece is in an exposed state and is used for penetrating into diseased tissue. According to the mastoid balloon, the mastoid structure comprises the mastoid points and the inner supporting pieces, the inner supporting pieces are at least partially arranged in the mastoid points, and the hardness and strength of the mastoid points can be improved; in addition, the end, away from the balloon body, of the inner supporting piece is a sharp part, when the balloon is used, the balloon body is conveyed to a lesion area, and after the balloon body expands, the sharp part pierces into lesion tissue. By means of the arrangement, the function of preventing the balloon body from sliding can be achieved, and the function of cutting diseased tissue can also be achieved.

Device for the therapeutic treatment of the ear, comprising a support (1; 2; 3; 4; 5) intended to be positioned on the mastoid (11), and / or on the pinna (12), and / or in the concha (13), and / or in the ear canal (14) of the ear (10) to be treated, a mixture of at least two nanostructures (100, 110; 200, 210; 300, 310; 400, 410; 500, 510) being positioned (101, 201; 302, 402; 303, 403; 204, 304; 305, 405, 505, 605) on said support.

Various embodiments relate to a method of providing restoration of vestibular function of a user. The method includes providing a plurality of treatment sessions, each session including affixing a first electrode on or near the user's mastoid and applying a subthreshold wideband stochastic electrical vestibular stimulation (swsEVS) waveform through the electrode. Persistent restoration of vestibular function is achieved and manifests as one or more of: regeneration of vestibular hair cells; increased synaptic gain between hair cells and vestibular nerve fibers; enhanced conductivity or excitability of afferent vestibular nerve fibers; removal of otoconia from semicircular canals; improved central neural integration and processing of vestibular, visual, and proprioceptive signals; augmented central generation of motor control signals; and elevated efferent feedback from the central nervous system to the vestibular inner ear.

This utility model relates to the field of medical device technology and provides a medical head pillow. The medical head pillow may include: a headband, a neck support, a left ear, and a right ear. The headband includes a head groove that extends from the upper surface of the headband towards its lower surface, and the head support groove is used to support the patient's head. The neck support is connected to the outer circumference of the headband and includes a neck groove that extends from the upper surface of the neck support towards its lower surface. The bottom of the neck groove is higher than the upper surface of the headband, and the neck groove is used to support the patient's neck. The left and right ears are positioned opposite each other along the length of the neck support and are connected to it, supporting the patient's mastoid process. According to the medical head pillow provided in this embodiment, when a patient unconsciously turns or lifts their head, the movement of the patient's head can be restricted, reducing the difficulty of operation for medical staff.

The invention belongs to the technical field of vocal music training and muscular fascia rehabilitation, and discloses a facial fascia release training method and device for recovering high pitch ability, which comprises a fascia pen, a penholder, an acupoint pressing bead and a shovel blade head and comprises the following steps: dynamic looping probing release, static pressing fascia release, superficial fascia shearing separation and sound production function consolidation training. Through functional division of the acupoint pressing bead and the shovel blade head, and by matching with definite pressure intensity and displacement amplitude, stepped release of deep exploration, fixed-point release and superficial layer shearing is realized, and the multifunctional acupoint pressing shovel can accurately act on musculus such as masseter, intrawing muscle, extrawing muscle, hyoid superior and subordinate muscle groups and sternoclavicular mastoid muscle as well as key parts such as fascia intersections, so that the operation is simple and convenient. The fascia adhesion problem causing high pitch difficulty is directly solved, and the defect that in traditional training, only vocal cord functions are practiced, sound production habits are corrected, and sound production obstacle roots are not solved from the physical level is overcome; the shovel blade head adopts the smooth arc-shaped cutting edge design, the acupoint pressing bead is round and free of edges and corners, the whole process is non-invasive operation in cooperation with scientifically controlled pressure intensity and sliding amplitude, damage to skin, muscles or vocal cords cannot be caused, and the shovel blade head is suitable for crowds with high pitch increasing requirements such as vocal music learners and occupational singers and also suitable for people with high pitch increasing requirements. And the device is also suitable for common users who have difficulty in sound production due to improper long-term sound use and muscular tension, can perform preliminary operation without professional guidance, and is beneficial to practical application and popularization.

Various embodiments relate to a method of providing restoration of vestibular function of a user. The method includes providing a plurality of treatment sessions, each session including affixing a first electrode on or near the user's mastoid and applying a subthreshold wideband stochastic electrical vestibular stimulation (swsEVS) waveform through the electrode. Persistent restoration of vestibular function is achieved and manifests as one or more of: regeneration of vestibular hair cells; increased synaptic gain between hair cells and vestibular nerve fibers; enhanced conductivity or excitability of afferent vestibular nerve fibers; removal of otoconia from semicircular canals; improved central neural integration and processing of vestibular, visual, and proprioceptive signals; augmented central generation of motor control signals; and elevated efferent feedback from the central nervous system to the vestibular inner ear.

The present invention relates to a temporal bone implant (SI) provided for at least partially reconstructing the posterior wall of the external auditory canal, comprising a first portion (A1) which is shaped as a tube or tube segment and designed to form at least one wall portion of the posterior wall by covering a space within the temporal bone, thereby separating the auditory canal from the space. [Solution] The first part (A1) transitions into a plate-shaped second part (A2) oriented laterally to the first part (A1). This second part (A2) is attached to the mastoid process of the temporal bone and, together with the first part (A1), is provided to cover the gap.

The utility model discloses a corset with a composite ultrathin elastic cup mat. The corset comprises a corset body. The underwear body comprises a low-elasticity front part and a low-elasticity back part; the shoulders of the low-elasticity front part bypass the shoulders and extend towards the back until the low-elasticity front part is connected with the back strap on the back to form a wide shoulder strap; the low-elasticity front part comprises a chest binding part, a cup mat cavity is formed in the chest binding part, and a piece-type composite cup mat is arranged in the cup mat cavity; the composite cup mat is of a multi-layer composite structure obtained through a composite pressurization process of multiple layers of breathable materials. The composite cup mat comprises a left small slightly-convex cup, a right small slightly-convex cup and a large planar mat connected with the two small slightly-convex cups. The coverage area of the slightly-convex small cups is larger than that of mastoid of the breast but smaller than that of the breast; the edges of the two slightly-convex small cups are completely surrounded by the large planar pad, and the outer edge of the large planar pad is close to the outer edge of the breast after being worn. The large plane pad can evenly flatten the breasts, the small slightly-protruding cups can effectively avoid compression on mastoid processes, and the purpose that the breasts are wrapped and the breast flattening state is kept in a real sense is achieved.

The application discloses a portable ultrasonic treatment device, which comprises a host computer and a flexible ultrasonic transducer patch connected with the host computer; the flexible ultrasonic transducer patch is configured to be attached to the mastoid region behind the human ear, and is used for emitting focused ultrasonic waves to the cranial segment of the auricular branch of the vagus nerve in the deep surface of the mastoid behind the ear; the flexible ultrasonic transducer patch comprises a flexible base layer, a flexible electrode layer and a piezoelectric array, the piezoelectric array is arranged in the flexible base layer and is connected with the host computer through the flexible electrode layer; the flexible base layer is flexible, so that the patch can deform along the physiological curvature of the surface of the mastoid behind the ear, and drive the piezoelectric array to form a focused sound field at the corresponding subcutaneous depth. The mastoid behind the ear is selected as a stimulation target, and the anatomical advantages of the flat surface and low density of pain receptors are utilized to replace the traditional auricle electric stimulation, solve the problems of pain, inaccuracy and inconvenience of wearing, and improve the stimulation accuracy and comfort.

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 relates to the technical field of medical teaching, in particular to a mastoid radical operation teaching device and a system thereof. The mastoid process radical operation teaching device comprises a conductive nerve, a conductive grinding machine, a first reminding unit and a driving unit, and the conductive nerve is used for being buried in an external temporal bone model to simulate nerves in a mastoid process of a human body; the conductive grinding machine is used for removing sclerotin in a mastoid region in the external temporal bone model; the driving unit is connected with the first reminding unit and the conductive nerve and used for driving the first reminding unit to work when the conductive grinding machine makes contact with the conductive nerve to form a short-circuit loop. According to the mastoid process radical treatment teaching device, the fidelity and practicability of mastoid process radical treatment teaching in surgical operation training can be improved, an operator is helped to adjust operation on the conductive grinding machine, the protection skill of nerves in the mastoid process is practiced, and the teaching quality of the mastoid process radical treatment is helped to be improved.

A system for attaching transducers to the head of a user for performing audiometry using air stimulation and vibratory stimulation includes support systems for two audiometric transducers for air stimulation, each of which can be positioned at the level of one of the auditory pinnae or the external auditory canal, and at least one audiometric transducer for vibratory stimulation, that can be positioned at the level of the desired stimulation zone depending on the chosen conduction mode (for example, one of the mastoids of the skull, the forehead, soft tissues). A method for calibrating vibratory stimulation transducers attached to a support system is described.

The invention discloses an expandable drainage type filling device for a middle ear and mastoid process cavity, and relates to the technical field of medical instruments, the expandable drainage type filling device comprises a plunger body and a drainage tube, the plunger body sleeves the periphery of the drainage tube, two ends of the drainage tube respectively extend to two ends of the plunger body, two ends of the drainage tube are both open, and the plunger body sleeves the periphery of the drainage tube. A plurality of through holes are formed in the side wall of the drainage tube, the plunger body can expand and support graft / stuffing in the ear canal or mastoid process cavity of a patient after encountering secretions, redundant secretions can permeate into the drainage tube through the through holes, and the interior of the ear canal of the patient can be communicated with the outside through the drainage tube. And the drainage tube is used for draining secretions out of the auditory meatus or the mastoid process cavity of the patient, ventilating and supplying oxygen into the auditory meatus or the mastoid process cavity of the patient and dosing into the auditory meatus or the mastoid process cavity of the patient. According to the invention, a stable supporting effect can be provided for the auditory meatus / mastoid process, and drainage oxygen supply and in-situ targeted drug delivery can be realized.

The invention relates to a device (1) for treating an inner ear disease, such as tinnitus or hearing loss, of a patient (100), comprising at least one electrode (5a, 5b) adapted to transmit an electrical stimulation signal (3) to the patient (100). The at least one electrode (5a, 5b) is mounted on a support (6) configured such that, when the at least one electrode (5a, 5b) is placed on the body of the patient (100), it is arranged on an anterior upper portion of the mastoid process (101) of the patient (100) such that the electrical stimulation signal (3) transmitted from the at least one electrode (5a, 5b) can reach the anterior upper portion of the mastoid process (101) of the patient (100).

This invention discloses a method for measuring bone conduction hearing thresholds by exciting the forehead with a bone resonator. The method includes: inserting probe-type microphones into both ear canals of the subject and wearing sound-insulating headphones at the entrances of both ear canals; applying bone conduction excitation to the subject's forehead and measuring the sound pressure levels of transient response otoacoustic emissions (OAEs) bilaterally; and obtaining the bilateral mastoid bone conduction thresholds of the subject based on a pre-established correlation database between transient response OAEs and mastoid bone conduction hearing thresholds. Compared with the bone conduction hearing threshold testing procedures specified by international standards, the method of this invention has a shorter measurement time and higher efficiency, provides data support for inferring subjective bone conduction hearing thresholds from objective physiological signals, and is particularly suitable for bone conduction hearing threshold testing in children.

A system includes a sensing assembly configured to be disposed on a mastoid of a user. The sensing assembly includes a housing, a first sensor disposed in the housing and configured to measure a first phybrata signal from the user, and a second sensor disposed in the housing and configured to measure a second phybrata signal from the user, the second phybrata signal different from the first phybrata signal. A controller is in communication with the sensing assembly. The controller is configured to: receive a first phybrata data from the sensing assembly, the first phybrata data including information obtained from the first phybrata signal and the second phybrata signal. The controller is configured to determine a phybrata parameter associated with the user based on the first phybrata data, and determine a phybrata signature associated with the user based on the phybrata parameter.

The invention relates to a permanent release agent brushing-free mold plate body and a preparation technology thereof.The permanent release agent brushing-free mold plate body comprises a base plate, micron-sized mastoid structures are distributed on at least one surface of the base plate, and the surfaces of the micron-sized mastoid structures are covered with first hydrophobic isolation layers; nanoscale mastoid structures are distributed on the micron-sized mastoid structures, and the surfaces of the nanoscale mastoid structures are covered with second hydrophobic isolation layers. The mold plate body has the beneficial effects that the mold plate body can be used as a permanent cleaning-free and brushing-free mold release agent mold plate body, the production efficiency of prefabricated parts such as concrete is greatly improved, and meanwhile, the apparent quality of prefabricated finished products is ensured.

The utility model relates to an embedded mastoid balloon catheter which comprises a balloon body, the balloon body comprises a balloon wall, an inner cavity is defined in the balloon wall, a plurality of protruding parts facing outwards in the radial direction are distributed on the balloon wall, and concave areas are correspondingly formed on the inner sides of the protruding parts; the interior of the inner tube is axially through and serves as a guide wire channel, the balloon body is located on the periphery of the inner tube, and the far end of the balloon body is connected with the outer wall of the inner tube in a sealed mode; the outer tube is arranged outside the inner tube in a sleeving mode, the near end of the balloon body is in butt joint with the far end of the outer tube, and a radial gap between the outer tube and the inner tube is a fluid channel communicated with the inner cavity; and at least one part of the supporting piece is fixedly filled in the concave area. According to the mastoid balloon catheter, through structural improvement, the supporting piece forming the mastoid points and providing the expected strength is fixed to the inner wall of the balloon wall of the balloon body, and the safety risk that the mastoid points fall off in the prior art can be eliminated.

The invention provides an internal hydrophobic self-cleaning structure of a PPR pipe, which comprises three layers of cleaning structures tightly attached to the inner wall of a PPR pipeline, the innermost layer is a super-hydrophobic guide layer, a large number of fine lotus leaf-like mastoid structures are arranged on the inner side of the super-hydrophobic guide layer, and the mastoid structures protrude towards the inner side of the pipeline; the mastoid structure rolls condensate water and residual water into water drops to the bottom of the pipeline; the middle layer is a porous water absorption buffer layer and is used for collecting and temporarily storing water drops; the outermost layer is a flow guide layer; a water collecting tank is arranged at the bottom of the initial end of the PPR pipeline and connected with a flow guide layer, the flow guide layer guides accumulated water to the water collecting tank, and the water collecting tank can be plugged and drained regularly. Accumulated water is collected through the three-layer cleaning structure and the water collecting tank and discharged regularly, and the accumulated water cleaning function is achieved.

The invention discloses a vestibular vibration anti-corona 3D system based on an Anti-slosh control strategy. The vestibular vibration anti-corona 3D system comprises an inertial measurement unit, a control module and a vibration stimulation module, the inertial measurement unit collects instantaneous angular velocities of pitching, rolling and yawing of the head and neck, and extracts a dominant oscillation frequency; the control module adopts a zero-vibration derivative input shaper to suppress residual oscillation; the shape movement signal is converted into a stimulation parameter, and a vibration parameter is adjusted through a smoothing factor to ensure that stimulation and head and neck movement are synchronous; the vibration stimulation module transmits vibration parameters to a vibration motor fixed to the mastoid process part, mechanical vibration is transmitted to the inner ear in a bone conduction mode, personalized vestibular stimulation is achieved, sensory conflicts caused by unexpected movement of the head and the neck are counteracted, and closed-loop self-adaptive vestibular stimulation is achieved. In objective evaluation indexes, the motion sickness index based on accumulated head and neck movement is averagely reduced by 50.69%, and the CS risk accumulation speed is reduced by 8.69%.