42 results about "Mastoid process" patented technology

The invention relates to a mastoid balloon catheter and a processing method thereof. The mastoid balloon catheter is provided with a far end, a near end and an axial direction, the far end and the near end are opposite, and the axial direction extends between the far end and the near end, and the mastoid balloon catheter comprises a pipe fitting and a catheter body, the balloon body is connected to the far end of the pipe fitting, the balloon body comprises a balloon wall arranged on the periphery of the pipe fitting in a surrounding mode, an inner cavity communicated with the fluid channel 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; and at least one part of the supporting piece is fixedly filled in the concave area. According to the mastoid balloon catheter, due to the innovative improvement on the structure, it is ensured that the mastoid points are formed, the supporting pieces with the expected strength are firmly fixed to the inner side of the balloon wall of the balloon body, and the safety risk possibly caused by falling of the mastoid points in the prior art is eliminated.

The invention discloses a perfusion mastoid balloon and a balloon dilatation catheter, and relates to the technical field of medical instruments. The perfusion mastoid balloon comprises a balloon main body, mastoids and a fluid channel, the mastoid process and the balloon main body are integrally formed or separately formed; the fluid channel is formed in the peripheral wall of the balloon body and extends in the length direction of the balloon body to allow liquid to pass through, and the size of the fluid channel in the radial direction of the balloon body is smaller than or equal to the size of the mastoid in the radial direction of the balloon body. The structure of the perfusion mastoid balloon is improved, the expansion time of the perfusion mastoid balloon is effectively prolonged, a narrow area can be better expanded, and meanwhile blood vessel blockage is avoided.

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 invention discloses a method for measuring the masking level of a wide-spectrum, short-duration signal used in a bone-conduction auditory evoked potential (BAP) test. The method comprises: measuring the stimulation force level of a subject's bone vibrator; placing the BAP vibrator of the evoked potential instrument at the mastoid process on one side of the subject, outputting a short-duration signal at a set intensity as a stimulus; and simultaneously applying white noise of varying intensities to both sides of the subject; and calculating, based on the stimulation force level and the subject's response, the contralateral noise masking level sufficient to mask the BAP signal. This invention, for the first time, derives the contralateral masking level of a BAP wide-spectrum, short-duration signal, providing a reference value for the practical application of BAP.

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 embodiments relate to systems and methods relating to an implant that enables the jaw to be held forward while sleeping that advances the lower jaw without the discomfort provided by other techniques. The implant can be configured to be positioned between the mastoid bone and the mandible bone of a user. The implant may not affect natural jaw movement that can include opening and closing of the jaw but also side-to-side movement.

An EEG signal monitoring headband can include one or more features that can help provide improved EEG signal acquisition. Such improved EEG signal acquisition can, in turn, help provide better detection and diagnosis of stroke or one or more other conditions of diagnostic interest. Features can include temporal electrodes that can project downwardly and inwardly from a main body portion of the headband, such as to locate the temporal electrodes against corresponding mastoid process or other target locations of the subject. The headband can include fore and aft portions that engage each other via clips. This can help allow one-handed user-adjustment of the headband length, temporal electrode position, or the like.

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.

The utility model discloses a multi-purpose glasses frame and glasses without pressing the nose bridge and sliding down, which belong to the field of glasses, and comprise a pair of glasses frames or a pair of rimless glasses or a pair of eyebrow line frames and a pair of legs and / or a pair of glasses legs, and the pair of legs further comprise a pair of blocking pieces protruding towards the inner side and / or a pair of telescopic legs. The inner side portions of the pair of telescopic ear legs are provided with suction cup pieces and / or rotatable abutting pieces and / or further comprise a pair of stopping pieces which abut against and limit the concave portion below the mastoid process of the head. A human cranium-ear groove part is used as a fulcrum of the glasses legs to overcome the weight of the front part of the glasses, and in addition, the problem that the head and the ears of a human body are difficult to match due to different shapes is solved by utilizing the matching conversion among the telescopic leg rods, the telescopic ear legs, the propping pieces and the like; the problem that local discomfort or injury is possibly caused by the weight of the nose bridge supported by the nose pad when people use the glasses is solved, the trouble that the glasses slide down is avoided, the stability and the comfort are improved, and in addition, the function that one pair of glasses has multiple purposes can 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.

Apparatus and methods are described herein that provide a vibratory device that can apply a vibratory signal to a portion of a head of a user such that the vibratory signal can be conducted via bone to a vestibular system of the user and cause a portion of the vestibular system to move in a manner equivalent to that of a therapeutically effective vibratory signal applied to an area overlaying a mastoid bone of the user. The vibratory device can be associated with frequencies less than 200 Hz. The vibratory device can be effective at treating a physiological condition associated with the vestibular system.

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).

The present invention discloses a bone conduction glasses facilitating burning and upgrading. Oscillators are respectively arranged in the inner cavities of each pen leg at the rear ends of the left temple and the right temple. When worn, each pen leg is respectively closely attached to the mastoid bones behind the left and right ears. In terms of anatomical relationship, the mastoid bones are closer to the inner ear and the ossicles, thus making the sound wave transmission effect better. The main PCB circuit board can detect the wearing state in real time through the wearing induction thimble to control the power on and off. The playing state can be controlled and the volume can be adjusted through the touch thimble. Charging, preloading and burning, or upgrading and updating software, as well as transmitting burning and updating files, etc. can be carried out through the charging and burning port. It can increase the contact area and stability between the bone conduction oscillator and the skull, can be burned and upgraded without disassembly, is convenient for adjusting the volume and charging operation, and has a good use effect.