47results about "Tracheae" patented technology

The invention discloses a bionic TENG sensor unit for an artificial throat and a preparation method thereof, and relates to the field of artificial throats, and the sensor unit comprises a gradient micro-dome friction layer, a strain amplification layer, an electrode layer and a back cavity substrate layer. The gradient micro-dome array realizes gradual contact through gradient change of height and diameter; the strain amplification layer converts vertical vibration into horizontal strain by using a cantilever beam-sliding block structure; the back cavity array selectively amplifies vibration at a specific frequency based on the Helmholtz resonance principle. The invention further provides a corresponding preparation method. The preparation method comprises the steps of back cavity forming, electrode deposition, microstructure manufacturing, surface treatment and the like. The sensor has the advantages of high sensitivity, good frequency selectivity and strong durability, and is particularly suitable for detecting weak laryngeal vibration signals of laryngeal patients.

An endoscopic printing device comprising: a printing head having: a nozzle for outputting a biomaterial; a central conduit connectable to a source of the biomaterial and connected to the nozzle, the central conduit being flexible; ribs disposed around the central conduit and spaced apart from one, a rib of the ribs defining three or more guiding apertures extending axially through the rib, the ribs being interconnected to one another; and cables extending through the guiding apertures, ends of the cables attached to the central conduit, the cables configured to be engaged to an actuator for controlling motion of the endoscopic printing head; and an actuation system engaged to the cables, the actuation system including actuators each engaged to a respective one of the cables, the actuators operable to vary a tension in one or more of the cables relative to a remainder of the cable to bend the central conduit.

The present technology includes an implant for treating excessive central airway collapse (ECAC) of an airway. The implant can comprise a wire-form stent configured to be positioned within the airway. The stent can comprise a C-shaped sidewall, and is configured to be positioned within the airway such that the C-shaped sidewall is positioned proximate a cartilaginous portion of the airway and presses outwardly against the cartilaginous portion.

The invention provides an anti-displacement tracheal stent and a human body implantation method, solves the problem that the tracheal stent is easy to deviate and misplace in the prior art, limits the whole stent body in human tissues through a positioning bulge, avoids displacement of the tracheal stent, and comprises a sleeve-shaped stent body, a connecting column extending outwards is arranged on the outer side wall of the support body, a positioning protrusion is arranged at the outer end of the connecting column, and the cross section area of the positioning protrusion is larger than that of the connecting column. The stent body, the connecting columns and the positioning protrusions are formed by integrally weaving silk threads made of memory metal materials and covering the silk threads with films.

The application discloses a kind of bionic TENG sensor unit for artificial throat and preparation method thereof, it is related to artificial throat field, the sensor unit includes gradient microdome friction layer, strain amplification layer, electrode layer and back cavity substrate layer.Gradient microdome array realizes progressive contact by the gradient change of height diameter;Strain amplification layer utilizes cantilever beam-sliding block structure to convert vertical vibration into horizontal strain;Back cavity array is selectively amplified to specific frequency vibration based on Helmholtz resonance principle.The application also provides a corresponding preparation method, including back cavity forming, electrode deposition, microstructure manufacturing and surface treatment and the like steps.The sensor has the advantages of high sensitivity, good frequency selectivity and strong durability, and is particularly suitable for detecting weak laryngeal vibration signals of laryngeal patients.

Techniques for processing measurement data streams for a person's speech apparatus are disclosed. The measurement data streams can be recorded by different sensor modalities, such as audio recordings or articulatory measurements, for example, which have an observable which quantifies a characteristic property of the vocal tract. The measurement data streams can be processed by means of a machine-learned model in order to obtain a temporal sequence of feature vectors in an articulatory feature space. These specific feature vectors enable a variety of applications, such as articulation training, therapeutic applications in the event of speech restrictions, for instance after a stroke, vocal training or speech synthesis.

Techniques for processing measurement data streams from a person's vocal tract are revealed. These data streams can be acquired through various sensor modalities, such as audio recordings or articulatory measurements, which contain an observable that quantifies a characteristic of the vocal tract. The processing of these data streams can be performed using a machine-learned model to obtain a temporal sequence of feature vectors in an articulatory feature space. These specific feature vectors enable diverse applications, such as articulation training, therapeutic applications for speech impairments (e.g., after a stroke), vocal training, and speech synthesis.

A sound generation system is disclosed. The sound generation system includes a housing with a first opening and a second opening. The housing defines an air passage between the first opening and the second opening. The sound generation system includes a movable member disposed within the housing. The movable member is configured to vibrate in response to air flowing through the air passage. The sound generation system includes a conversion module configured to convert vibrations of the movable member into an electrical signal. The sound generation system includes a speaker module configured to convert the electrical signal into sound and output the sound into the user's oral cavity. The sound generation system is configured such that, during use, air pressure at or near the second opening corresponds to air pressure within the user's oral cavity.

The invention, which relates to a filter element (1) for respiratory gas conditioning with a speech function, is based on the objective of providing a filter element (1) for use with a tracheotomized or laryngectomized person, wherein the filter element (1) is robust, easy to operate, and inexpensive to manufacture. This objective is achieved by the housing (2) comprising a first housing part (5) and a second housing part (6) connected to the first housing part (5), the first opening (3) being arranged in the second housing part (6), the first housing part (5) being a single piece comprising an outer ring (7), a central upper part (8), and elastically deformable webs (9) arranged between the outer ring (7) and the upper part (8).

This invention discloses an artificial laryngeal sensor based on magnetic repulsion coupling of a dual-layer heterogeneous magnetic thin film and its fabrication method. The sensor includes upper and lower sensing units, each having a first flexible magnetic layer that has been directionally magnetized and a flexible hard magnetic thin film layer that has been patterned and magnetized to form a microscopic magnetic domain array. The two layers, with their like poles facing each other, generate a uniform magnetic repulsion force, forming a dynamically adjustable gap between the triboelectric layers. This gap can passively and adaptively change with the intensity of laryngeal vibration: during strong vibration, the repulsion force surges to prevent contact saturation, while during weak vibration, a small local gap is maintained to preserve high sensitivity. This invention solves the problems of uneven magnetic force and discomfort in traditional magnetic repulsion schemes through all-thin film fabrication and patterned magnetization technology, achieving a balance between high signal fidelity, wide dynamic range, and ultimate wearing comfort, making it particularly suitable for wearable artificial laryngeal speech acquisition systems.

The application belongs to the technical field of medical devices, and is a kind of airway stent, comprising a stent body and a covering film arranged on the stent body, characterized in that the stent body comprises a fixed stent section and a movable stent section arranged at the end of the fixed stent section, and the covering film is arranged on the fixed stent section; at least one movable part in the form of an opening is arranged on the movable stent section, and the radial dimension of the movable stent section is greater than that of the fixed stent section. According to the airway stent in the application, the movable stent section with a radial dimension greater than that of the fixed stent section is arranged to increase the anchoring force of the airway stent, so that the airway stent is not prone to displacement, and the movable part in the form of an opening is arranged to increase the deformation space of the movable stent section, reduce the stimulation of the airway stent to the inner wall of the airway, and prevent the growth of granulation tissue.

The invention discloses a modular electronic throat, and belongs to the technical field of electronic throats. Comprising a fixing sleeve, the two ends of the fixing sleeve abut against a bottom cover and an end cover respectively, a supporting frame is arranged in the fixing sleeve, the two sides of the supporting frame abut against the inner wall of the fixing sleeve, the two ends of the supporting frame are fixedly connected with the bottom cover and the end cover through screws respectively, a control module is installed on the top face of the supporting frame, and a power supply module is installed on the bottom face of the supporting frame. The end, close to the end cover, of the supporting frame is a columnar head, a containing cavity is formed in the columnar head, a sounding module is installed in the containing cavity, the position, close to the sounding module, of the end face of the end cover is open, the control module, the power supply module and the supporting frame are detachably connected, and the sounding module abuts against the inner wall of the end cover. When any module in the technical scheme is damaged, the equipment does not need to be integrally disassembled, and the corresponding module or part can be independently disassembled for maintenance and replacement, so that the maintenance difficulty and cost are reduced, the maintenance period is shortened, and the situation that a patient cannot normally communicate with a language in a short time is avoided.

The present invention relates to voice prosthesis device (100) that enables laryngectomy patient to speak. The voice prosthesis device (100) comprises cylinder (101) comprising first end (107) and second end (108). An inner washer (102) is attached to the first end (107) and outer washer (103) attached to the second end (108). A partial shutter (104) is coupled to the first end (107) of the cylinder. A shutter guard (105) is placed at the inner part of the inner washer (102) and is fixed to the cylinder (101). The device further includes plurality of rings (106). The partial shutter (104) is made up of platinum cured silicon and opens relatively to allow the exhaled air to pass from the second end (108) to the first end (107) and prevents entry of the food particles into the second end (108). The voice prosthesis device (100) is non-invasive, simple and cost-effective.

According to the present invention there is provided an artificial voice generation system designed to restore or augment speech for individuals experiencing voice loss or desiring an alternative vocal quality. The system comprises a controllable air pump, an airflow member delivering air to the user's oral cavity, and a sound generation member— such as a replaceable membrane cartridge—configured to vibrate and produce sound in response to airflow. A user interface allows manual or automatic modulation of airflow and voice parameters, enabling real-time adjustment of pitch, loudness, and voice quality, including male, female, or non-binary characteristics. The system may include sensors for pressure and airflow, anti-jamming features, and can be adapted for use with or without a neck stoma, making it suitable for a wide range of users, from laryngectomy patients to those with temporary or chronic voice loss. By providing a customisable, high-quality artificial voice source with improved naturalness and intelligibility, the invention addresses limitations of existing devices such as electrolarynxes and tracheoesophageal prostheses, offering a versatile and user-friendly solution for voice rehabilitation and enhancement.

The present disclosure provides for sensory artificial cilia for in situ monitoring of airway physiological properties, methods of monitoring an airway of a subject, and systems including an implant and a magnetic actuator configured to produce an external magnetic field which actuates the implant to measure a viscosity and a thickness of a fluid within an airway of a subject. In various aspects, a viscosity sensor of the implant can include a strain-gauge configured to measure a deformation of the viscosity sensor based at least in part on an electrical resistance of the strain-gauge, where the viscosity of the fluid is calculated based at least in part on the deformation. In various aspects, a layer thickness sensor of the implant can include a capacitor configured to measure a capacitance of the capacitor, where the thickness of the fluid is calculated based at least in part on the capacitance.

The invention discloses a modulus gradient heterojunction-based triboelectric sensor for an artificial throat and a preparation method thereof. The sensor comprises a heterogeneous laminated friction pair formed by a high-modulus first friction layer made of PDMS / BST composite materials and a low-modulus second friction layer made of Ecoflex / ZnO composite materials, the response range of throat muscle vibration (100-1000 Hz) is effectively widened, and consistent high-sensitivity collection of broadband signals is achieved. In order to solve the problem that a heterogeneous material interface is easy to peel off, a gradient modulus transition layer with components changing in a stepped mode is designed between two friction layers, interlayer chemical bonding and integrated forming are achieved through an alternate spin coating and ultraviolet stepped curing process, and the mechanical durability and signal stability of the sensor under long-term dynamic vibration are remarkably improved. According to the invention, a high-fidelity and high-reliability voice signal acquisition solution is provided for the artificial throat.

The stent may include a radially expandable tubular framework including a first end region, a second end region, an intermediate region positioned between the first end region and the second end region, and a lumen extending therethrough. The radially expandable tubular framework is configured to expand from a radially collapsed configuration to a radially expanded configuration. A plurality of covering strips are positioned along at least one of the first end region, the intermediate region, and the second end region. The plurality of covering strips are configured to completely cover the radially expandable tubular framework in the radially collapsed configuration, and to separate from each other to expose portions of the radially expandable tubular framework therebetween in the radially expanded configuration.

A cleaning device for a sound producing prosthesis, the cleaning device comprising a brush element extending along a longitudinal axis of the cleaning device, the brush element comprising a core made of twisted steel wire and a first plurality of individual filaments extending from a brush portion of the core. An intermediate portion of the filaments is attached to the brush portion such that each filament extends generally radially from the core. At least one of two opposite end portions of each individual filament is configured to form a bristle, the bristle being at a predetermined first angle to the core and pointing in a direction of a distal portion of the core as seen with respect to the longitudinal axis of the cleaning device.

This application discloses a voice assistance system based on phased array focusing, its manufacturing method, and its usage method, relating to the field of voice-assisted speaking technology. The system includes: a glottal pulse modulator, a phased array drive control system, and an acoustic parametric array; the glottal pulse modulator is used to modulate the original vocal glottal wave signal with a carrier signal that excites an ultrasonic transducer to obtain a modulated signal; the acoustic parametric array includes several ultrasonic transducers; the transmission phase of each ultrasonic transducer is set to the ultrasonic phase emitted by the virtual sound source it receives; the virtual sound source is located at the focusing position; the phased array drive control system is used to control the transmission phase of each ultrasonic transducer when emitting the modulated signal. This application controls the transmission phase of each ultrasonic transducer to the ultrasonic phase emitted by the virtual sound source located at the focusing position, thereby enabling the information emitted by these ultrasonic transducers to be focused at that focusing position.

The application discloses a flexible sensor fixing structure for an artificial intelligence throat, one end of a first elastic ring and one end of a second elastic ring are fixedly connected through a telescopic adjusting joint, and the first elastic ring and the second elastic ring form an arc-shaped structure, the other end of the first elastic ring is fixedly connected with a first flexible sleeve through a first gear assembly, the other end of the second elastic ring is fixedly connected with a second flexible sleeve through a second gear assembly, the first flexible sleeve and the second flexible sleeve are used for being worn on ears, a pressure touch platform assembly is fixedly connected with the first gear assembly or the second gear assembly through an elastic arm, and a surface of the pressure touch platform assembly is fixedly provided with a sensor. The flexible sensor fixing structure can comfortably wear the sensor on the head, avoids using adhesive tape to assist in fixing, has high stability, can avoid deviation of a signal acquisition point, and significantly improves original signal quality.

A method for treating an intestine with an expandable scaffolding expanded within the intestine. After placing the expandable scaffolding at a target location, such as across a fistula, the first and second end portions of the expandable scaffolding are radially expanded such that the first and second end portions contact an inner surface of the intestine on opposing sides of the fistula, anchoring the first and second end portions to the intestine. Radially expanding the first and second end portions foreshortens the medial portion along the longitudinal axis such that the first and second end portions are drawn closer together along the longitudinal axis as the medial portion foreshortens to close the fistula.

This vocal cord treatment implant is used in a state of being attached to a vocal cord, and comprises: a plate formed by a cutting process; and a spacer attached to the plate. The plate includes a pressing part, a base part connected to a first end of the pressing part, and a spacer attachment part connected to a second end of the pressing part. The spacer has a footing part, and a column part that extends from the footing part, and is fixed to the spacer attachment part.

The application relates to a biological 3D printed tissue engineering trachea and a construction method and application thereof, namely a cartilage / vascularized fiber tissue alternating tissue engineering trachea. The construction method comprises the following steps: firstly, cartilage specific biological ink is prepared by wrapping cartilage cells with cartilage tissue specific hydrogel; fiber specific biological ink is prepared by wrapping fibroblasts with fiber tissue specific hydrogel; then, through a double-needle extrusion type biological 3D printing technology, alternating printing is realized to form a ring-shaped tubular structure, and a cartilage / fiber tissue alternating tubular structure is constructed through multi-layer accumulation molding; further, vascularization of the fiber tissue is realized through a certain culture mode, and finally, a relatively mature cartilage / vascularized fiber tissue alternating tissue engineering trachea is obtained. The application also provides application of the cartilage / vascularized fiber tissue alternating tissue engineering trachea in tracheal defect repair.

The invention relates to the technical field of medical instruments, in particular to a telescopic T tube for laryngotracheal stenosis reconstruction, which comprises a cross arm tube and a vertical arm tube which are integrally formed, telescopic arm tubes are arranged at two ends of the cross arm tube, each telescopic arm tube comprises a telescopic inner tube and a support outer tube, and two ends of the telescopic inner tube are fixedly connected with two ends of the support outer tube; the end, away from the cross arm pipe, of the vertical arm pipe is fixedly connected with an extending arm pipe, an adjusting pipe is in threaded fit with the interior of the extending arm pipe, the inner side wall of the extending arm pipe is fixedly connected with an adjusting part, and the adjusting part adjusts and controls the length of the telescopic inner pipe with the relative spiral displacement of the adjusting pipe and the extending arm pipe as an index; the telescopic arm tube with the telescopic length is additionally arranged on an existing safety T tube, and after a doctor puts the safety T tube into the laryngotrachea of a patient, stretching and retracting of length adjustment are achieved, so that the probability that the matching degree of the T tube and the individualized airway structure of the patient is poor is reduced.

The invention discloses an artificial throat sensor based on double-layer heterogeneous magnetic film magnetic repulsive force coupling and a preparation method thereof. The sensor comprises an upper sensing unit and a lower sensing unit, each of the upper sensing unit and the lower sensing unit is provided with a first flexible magnetic layer magnetized directionally and a flexible hard magnetic film layer which forms a microscopic magnetic domain array through patterned magnetization, the same poles of the first flexible magnetic layer and the flexible hard magnetic film layer face each other to generate uniform magnetic repulsive force, and a dynamic adjusting gap is formed between friction electric layers. The gap can be passively and adaptively changed along with the vibration intensity of the throat, the repulsive force is sharply increased during strong vibration to prevent contact saturation, and the local tiny gap is maintained to keep high sensitivity during weak vibration. Through the full-film and patterned magnetizing technology, the problems that in a traditional magnetic repulsion scheme, magnetic force is not uniform, and wearing is uncomfortable are solved, unification of high signal fidelity, wide dynamic range and extreme wearing comfort is achieved, and the method is particularly suitable for a wearable artificial throat voice acquisition system.

An improved TORP for the reconstruction of the ossicular chain provides, in combination: a head (C) which is formed by a single cartilaginous block:—a synthetic stem (A) of cylindrical shape which is provided, on both sides, with a respective blunt tip (A1, A2); a cartilaginous base (B) having the same thickness as the head (C) but with a smaller surface.Said improved TORP is configured in such a way as to be able to position, respectively, said head (c) under the tympanic membrane (D) and said base (B) above the plate (E) of the stapes (s); thus obtaining that during the healing process, the perichondrium of the head (c) is welded to the tympanic membrane (D) and the perichondrium of the base (B) is welded to the mucosa of the plate (E).

The application belongs to the technical field of medical devices, and relates to an airway stent, which comprises a stent body and a covering film arranged on the stent body, wherein the stent body comprises a waist stent section and a dense net bare stent section arranged at the end of the waist stent section, the covering film is arranged on the waist stent section, and the mesh density of the dense net bare stent section is greater than that of the waist stent section. According to the airway stent in the application, the stimulation of the airway stent to the inner wall of the trachea can be reduced, so that the growth of granulation tissue is effectively avoided, and the airway lumen is prevented from being narrowed again.