17 results about "Thyroid cartilage" patented technology

The invention discloses a Doppler ultrasonic diagnosis system for dysphagia detection, and belongs to the technical field of Doppler ultrasonic diagnosis. The method comprises the following steps: respectively measuring the geniolingual muscle movement, swallowing time, tongue movement and the distance between the tongue bone and the thyroid cartilage of a stroke patient in a B-type ultrasonic mode and an M-type ultrasonic mode, recording test data after multiple swallowing tests, calculating to obtain an average value of the geniolingual muscle movement, the swallowing time, the tongue movement and the distance between the tongue bone and the thyroid cartilage, and calculating the average value of the geniolingual muscle movement, the swallowing time, the tongue movement and the distance between the tongue bone and the thyroid cartilage. Then the measurement results of the swallowing time and the distance between the tongue bone and the thyroid cartilage are used as evaluation and diagnosis bases for diagnosis, so that objective and accurate diagnosis bases are provided for the treatment and rehabilitation process of the swallowing dysfunction of a stroke patient, and nursing personnel can evaluate and diagnose the swallowing dysfunction after the stroke by using a simple B-ultrasonic instrument at the bedside; and the diagnosis accuracy of medical personnel is improved.

To provide a thyroid cartilage fixation device with a novel configuration that can suppress fracture. [Solution] The thyroid cartilage fixation device is a thyroid cartilage fixation device used in type 2 thyroplasty, and comprises an anterior piece positioned from the cut end surface of the incised thyroid cartilage to the anterior surface and a posterior piece positioned on the posterior surface of the thyroid cartilage, and comprises a plurality of clamping parts that fit onto the respective cut ends of the thyroid cartilage facing each other, and a bridging part that connects the plurality of clamping parts, and the bridging part has a plurality of pores that are dispersed substantially uniformly so as not to form clusters among adjacent pores, and the porosity of the pores formed in the bridging part when viewed from the entire bridging part is 0.5 to 4.5%.

A dysphonia treatment tool includes a pair of clamping portions that have a front surface piece arranged on a front surface of an incised thyroid cartilage, a rear surface piece arranged on a rear surface of the incised thyroid cartilage, and an end surface piece connecting the front surface piece and the rear surface piece, engaged with each of the incision ends of the incised thyroid cartilage;, and a bridging portion that bridges the pair of clamping portions. Wherein on an opposite surface to the abutting surface of the end surface piece, the bridging portion is bridging in a region from the one end side to the other end side, or in a region from the one end side to a side in a midway from the one end side to the other end side on the opposite surface to abutting surface of the end surface piece.

An example implant system to treat glottic insufficiency is disclosed. The implant system includes a fixation frame including a first set of flanges at a first edge of the fixation frame and a second flange at a second edge of the fixation frame, wherein the fixation frame is configured to secure the implant system at an opening of the patient's thyroid cartilage, a port system disposed in the fixation frame and configured to receive, deliver, maintain, or remove a filler, and a flexible member, coupled to the fixation frame and in fluid or air communication with the port system, wherein based on an amount of the filler in the flexible member, the flexible member is configured to inflate in a direction to push against the patient's arytenoid cartilage so the arytenoid cartilage is rocked, adducted and / or rotated inferomedially.

The utility model discloses a detection device for identifying cricothyroid membrane incision ventilation, which belongs to the technical field of airway models, and comprises a thyroid cartilage, a simulation assembly, a clamping assembly, a mounting clamping piece, a detection assembly and a connecting piece, the connecting piece is inserted into the left end of the thyroid cartilage, and the left end of the connecting piece is connected with an air supply system; the installation clamping piece is installed on the lower portion of the right side of the thyroid cartilage, the clamping assembly is installed at the right end of the installation clamping piece, the detection system is connected to the right end of the clamping assembly, the detection assembly is installed at the front end of the installation clamping piece, the left end and the right end of the simulation assembly are clamped in the thyroid cartilage and the clamping assembly respectively, and the thyroid cartilage, the installation clamping piece and the clamping assembly are integrally formed. And a mounting space is formed among the thyroid cartilage, the mounting clamping piece and the clamping assembly. The problems that in the prior art, due to the fact that a simulation tool is low in reusability and cannot simulate various conditions, the teaching effect is poor, and the use cost is high are solved. And the practicability and the universality of the device are improved.

A cricothyrotomy medical training device includes a ribbed tube representative of a human trachea, the ribbed tube having a first end and a second end. A first protrusion extends from the first end of the ribbed tube, the first protrusion being representative of a human thyroid cartilage. A second protrusion extends from the ribbed tube near the first end, the second protrusion being representative of a human cricoid cartilage. The second protrusion is longitudinally spaced between the first end and the second end. A first marking material is disposed at the first and second protrusions for representing a location of human skin. A second marking material disposed between the first and second protrusions to identify a location of a human cricothyroid membrane.

The present invention discloses an ultrasonic image processing method for swallowing function examination, mainly relating to the technical field of ultrasonic image processing. It includes: arranging an ultrasonic probe according to a preset placement position and placement angle to capture a sequence of dynamic ultrasonic image frames; obtaining an enhanced sequence of dynamic ultrasonic image frames; obtaining a set sequence of watershed lines; obtaining a sequence of recognition results of the neighborhood contours of the enhanced dynamic ultrasonic image frames; extracting the hyoid-thyroid cartilage distance to obtain a set of hyoid-thyroid cartilage distances; obtaining the shortening rate of the target hyoid-thyroid cartilage distance, and taking the shortening rate of the target hyoid-thyroid cartilage distance as the ultrasonic image processing result. The present invention solves the technical problems of poor quality of ultrasonic image processing for swallowing function examination and low reliability of processing results in the prior art. The beneficial effects of the present invention are as follows: improving the reliability of ultrasonic image processing and enhancing the recognition accuracy of the shortening rate of the hyoid-thyroid cartilage distance.

Provided is a biological examination apparatus and a biological information analysis method capable of quickly grasping a two-dimensional motions of the up-down and front-back directions of the thyroid cartilage and the lingual bone accompanied by a swallowing sound as swallowing dynamics by a non-invasive examination. In the biological examination apparatus of the present invention, an up-down motion component associated with an up-down motion of the thyroid cartilage and a front-back motion component associated with a front-back motion of the thyroid cartilage are extracted from a fitting result obtained by fitting a model function modeling a swallowing motion to distance information based on detection data detected by a larynx portion displacement detector, and a two-dimensional trajectory data indicating behavior trajectories of an up-down direction and a front-back direction of the thyroid cartilage is generated based on the extracted up-down motion component and the extracted front-back motion component.

The microstructure artificial laryngeal device provided by the application comprises a micro-porous structure audio sensor, a lower computer and an upper computer, wherein the micro-porous structure audio sensor is used for detecting a vibration signal of a throat and converting the vibration signal into a resistance signal; the lower computer is used for filtering and processing the resistance signal to remove noise interference; and the upper computer is used for accurately identifying audio information in the processed resistance signal. The micro-porous structure audio sensor is attached at a skin surface of a thyroid cartilage, the lower computer is worn at a neck, and the upper computer is worn at a small arm. The microstructure artificial laryngeal device provided by the application can be directly attached to a throat of a patient without being installed in the patient's body, thereby avoiding discomfort of the patient, in addition, the vibration signal of the throat can be better sensed through the micro-porous structure audio sensor, thereby completing sound detection, and in addition, the lower computer for removing noise interference is arranged, and the accuracy of speech recognition can be improved.

A silicone implant is fixed onto the thyroid cartilage and the implant has a guide channel extending therethrough. The placement allows fixation to the cartilage by blade portions on opposite sides of the implant, with the guide channel being positioned in front of the muscles to be treated. The implant enables safe, accurate, and repeatable injections into internal laryngeal muscles under local anesthesia, and simplifies surgical access, increases accuracy, and reduces risks associated with traditional techniques.

The application discloses a laryngeal external fixing device for laryngeal microsurgery, which comprises a fixing disc and at least one bandage arranged at two ends of the fixing disc; the fixing disc is arc-shaped and is provided with four screws; the head end of the screw is located at one side of the fixing disc; the tail end of the screw is connected with a pressing sheet and is located at the other side of the fixing disc; the outer edge surface of the pressing sheet is wrapped with a flexible pad; the opposite positions of the four screws are respectively corresponding to the incisure, the left lamina and the right lamina of the thyroid cartilage and the annular cartilage; the laryngeal external fixing device can press the thyroid cartilage and the annular cartilage and saves manpower.

The present invention provides a hyoid-laryngeal suspension device and system for treating sleep disordered breathing (SDB). The device includes a first fastener, the size and structure of which are set to anchor to the patient's hyoid bone or thyroid cartilage, and a second fastener, the size and structure of which are set to anchor to the patient's sternum, clavicle or ribs. One end of a static member or elastic member is connected to the first fastener, and the opposite end is connected to the second fastener. The elastic member has sufficient elasticity to dynamically elevate the pharynx and / or larynx to allow speaking and swallowing. The static member has sufficient tension to maintain appropriate pharyngeal wall tension while still allowing sufficient movement of the hyoid bone and thyroid cartilage to achieve speaking and swallowing functions.

The invention relates to the technical field of swallowing dysfunction measurement evaluation and training, and discloses a swallowing dysfunction measurement evaluation system and a training method. A closed-loop process from reference data acquisition, signal processing, swallowing event detection, energy ratio analysis, function evaluation to training feedback is constructed. According to the system, a skin microphone is attached to the side of the thyroid cartilage of the neck, swallowing signals of a healthy control and a patient are collected in a non-invasive mode, low-frequency noise is removed through polynomial drifting, a swallowing event is accurately positioned in combination with STFT and envelope extraction, low / high-frequency energy is extracted according to a frequency boundary, and the energy ratio is calculated; and carrying out standard normal score calculation and function grading. A personalized training target is set through a reference template, and a patient completes periodic training according to rhythm and performs self-test evaluation.

The invention discloses an ultrasonic image processing method for swallowing function examination, and mainly relates to the technical field of ultrasonic image processing. Comprising the following steps: arranging an ultrasonic probe according to a preset placement position and a placement angle, and capturing a dynamic ultrasonic image frame sequence; obtaining an enhanced dynamic ultrasonic image frame sequence; obtaining a separation ridge line set sequence; obtaining an enhanced dynamic ultrasonic image frame neighborhood contour recognition result sequence; extracting a lingual bone-thyroid cartilage distance to obtain a lingual bone-thyroid cartilage distance set; and obtaining the shortening rate of the distance between the target tongue bone and the thyroid cartilage, and taking the shortening rate of the distance between the target tongue bone and the thyroid cartilage as an ultrasonic image processing result. The technical problems that in the prior art, the ultrasonic image processing quality for swallowing function examination is poor, and the reliability of the processing result is low are solved. The method has the beneficial effects that the ultrasonic image processing reliability is improved, and the recognition accuracy of the shortening rate of the distance between the tongue bone and the thyroid cartilage is improved.

The invention discloses a post-stroke patient swallowing function evaluation and training instrument based on biofeedback, and belongs to the technical field of medical rehabilitation equipment. The device comprises a signal acquisition module, a signal processing module, a data analysis module, a feedback output module and a power management module. A 64-channel flexible electrode array is used for collecting electromyographic signals, a 9-axis inertial measurement unit is used for tracking six-degree-of-freedom movement of the throat, a double-channel microphone is used for collecting acoustic signals, and a double-channel pressure sensor is used for detecting pressure of tongue bones and thyroid cartilages. The electromyographic signals are reconstructed into a three-dimensional space-time thermodynamic diagram through radial basis function interpolation, and four modal data are fused through a deep learning model to achieve automatic swallowing phase recognition and anomaly detection. And visual, auditory and tactile three-channel real-time biological feedback training is provided. According to the invention, multi-dimensional accurate evaluation, multi-modal real-time feedback and intelligent adaptive training are realized, and the evaluation accuracy of the swallowing function and the rehabilitation training effect are improved.

There are provided a biological examination device and a biological information analysis method that enable the two-dimensional movements of the thyroid cartilage and the hyoid bone in the vertical, horizontal, front, and rear directions along with swallowing sounds to be grasped at a glance as swallowing dynamics through non-invasive examinations. In the biological examination device of the present invention, an up-and-down movement component associated with the up-and-down movement of the thyroid cartilage and a front-and-rear movement component associated with the front-and-rear movement of the thyroid cartilage are extracted from a fitting result obtained by fitting a model function obtained by modeling a swallowing action to distance information based on detection data detected by a laryngeal position detection unit. Based on these extracted up-and-down movement components and front-and-rear movement components, two-dimensional trajectory data 901 representing the movement trajectories of the thyroid cartilage in the vertical and front-and-rear directions is generated.

The invention relates to the technical field of medical assistance, in particular to a thyrocricocentesis assisting device convenient to position, which comprises a needle cylinder and an arc-shaped positioning plate, the bottom of the needle cylinder is fixedly communicated with a puncture needle, two sides of the positioning plate are symmetrically and slidably connected with arc-shaped fixing plates, and the bottoms of the fixing plates are fixedly connected with L-shaped bending frames; the positioning plate is provided with a positioning assembly used for determining the position of cricothyroid membrane through pressure changes and a guiding assembly used for guiding a puncture needle. An arc-shaped supporting frame is arranged on one side of the positioning plate, the bottom of the supporting frame is fixedly connected with the top of the adjacent bending frame, and a driving assembly used for driving the positioning plate to slide in the length direction of the fixing plate is arranged on the side wall of the supporting frame. Through the design of the positioning plate, after the device makes contact with the neck of a patient, the position of the thyroid cartilage of the patient can be rapidly recognized by analyzing pressure changes of all contact point positions, the position of the positioning plate is automatically adjusted, and accurate puncture positioning and puncture guiding are provided for doctors.