38 results about "Thyroid cartilage" patented technology

A continuous swallowing movement measuring device includes pressure sensors placed in a line along a direction of an up and down movement of a thyroid cartilage when a food is swallowed, a first one of the pressure sensors placed at a top position of the thyroid cartilage, a second one of the pressure sensors placed along the direction to measure swallows included in a continuous swallowing movement. The device also includes a tool for wearing the pressure sensors and for fixing the pressure sensors to touch an anterior region of a neck of a subject. The tool includes a fixing unit fixes the pressure sensors. The tool also includes a supporter of the pressure sensors supports the fixing unit. Further, the tool includes a holding band holds the supporter of the pressure sensors on the anterior region of the neck of the subject.

Provided herein are devices and methods for anterior arytenoid adduction. The device may comprise a wire having a first end and a second end at opposite ends of a longitudinal axis, the wire forming a spiral along the longitudinal axis and having a double hook at the first end, a suture threaded through the spiral of the wire from the second end to the first end, the suture forming a turn at the first end and passing exterior to the spiral to the second end. The method may comprise advancing a suture and hook from the subject's anterior thyroid cartilage or cricothyroid membrane to the muscular process of the subject's arytenoid, attaching the hook to the muscular process, and applying tension to the suture to rotate the muscular process and adduct the arytenoid.

A system and method of introducing interface elements for interfacing with laryngeal structures of a subject is presented. Illustratively, a tunnel is generated in geographical relation to the lateral wing of the thyroid cartilage of the subject and at least one interface element is introduced via the tunnel for interfacing with at least one laryngeal structure of the subject.

The invention discloses a method for preparing an individual porous thyroid cartilage support. The method comprises the following steps: performing data acquisition on a living body by using high-precision medical CT, partitioning a thyroid cartilage area by using a partitioning algorithm, and exporting the data in a text format; performing in-vitro isolated point removal, noise reduction, surface smoothing and reverse three-dimensional modeling on the acquired data in reverse engineering software; performing rapid mold design by using industrial CAD (Computer-Aided Design) software UG-NX, and preparing a rapid mold through rapid molding; preparing foam slurry which takes hydroxylapatite particles as a filling matrix by using a gel foaming method, injecting the slurry into the rapid mold, and initiating an in-situ curing reaction so as to finish preparation of a cartilage support blank; demolding and drying the support blank, and performing high-temperature sintering, thereby obtaining the individual porous thyroid cartilage support. After the support is implanted into the body of a patient, the surrounding cartilage metrocyte and growth factors can be effectively absorbed, a metabolism channel is provided for growth of the cartilage metrocyte, and the cartilage metrocyte grows into individual bones.

A method of and an apparatus for monitoring the heart motion of a subject employ a probe which can be coupled to the aortic arch or to the thyroid cartilage of the subject for detecting movements caused by the heart motion and displaying the accelerations and displacement of the heart motion on an acceleration display and a displacement display. A mechanical motion amplifier amplifies the acceleration and an optical amplifier amplifies the displacement to counteract noise.

Methods and systems configured to treat a patient's glottic insufficiency are disclosed. An implant system may include a first implant positioned in the patient's paraglottic space. The first implant is adjustable in volume by changing amount of filler in the implant. The implant system may include a fixation device fixated on or through a cartilage opening in the patient's thyroid cartilage. The fixation device may contain a first channel. The implant system may include a first tube having a first end coupled with the first implant. The first tube passes through the first channel of the fixation device to deliver the filler to the implant. The implant system may further contain a port coupled with a second end of the first tube to regulate the amount of filler in the implant.

The present disclosure provides a medical training simulation apparatus for training medical professionals, emergency medical support personnel, military personnel, parents or families of persons who have or will be undergoing neck or airway surgery, or any other persons requiring a simulator for learning the anatomy or practicing procedures or surgery of the neck and/or airway. The apparatus may include a simulated base that may be free standing or may rest on a mannequin and may have a hole for accessing the simulated airway, simulated skin, simulated fat, simulated lymph nodes, simulated neck musculature, simulated arteries and veins with simulated blood therein, simulated thyroid gland, simulated parathyroid glands, simulated laryngeal and tracheal cartilage including the hyoid bone, thyroid cartilage, cricoid cartilage, tracheal rings, epiglottis and arytenoid cartilages, mucosa, recurrent laryngeal nerves, trachealis muscle, esophagus and prevertebral fascia. The apparatus may include alteration or addition of one or more anatomical parts to simulate congenital or acquired anomalies. One or more parts of the simulation apparatus may be disposable or replaceable.

A method of modifying larynx position in a human subject includes cutting one end of digastric muscle, attaching the cut end of the digastric muscle to thyroid cartilage thereby trans-positioning the digastric muscle, providing a stimulation electrode configured to stimulate the trans-positioned digastric muscle, generating at least one stimulation parameter for the stimulation electrode using a processor, and stimulating the trans-positioned digastric muscle with the stimulation electrode using the stimulation parameter in order to modify the larynx position.

The invention provides a thyroid cartilage fixing device for a laryngeal operation. Lower columns capable of moving vertically are installed on a base plate, the upper ends of the two lower columns are connected with upper columns respectively, and the upper columns can be moved and fixed. A transverse adjusting screw and a guide polish rod which are parallel are arranged between the two upper columns, the transverse adjusting screw can rotate, a connection seat is arranged on the guide polish rod, and the transverse adjusting screw can be in threaded fit with a transverse screw hole of the connection seat. One end of a vertical adjusting screw is installed in a vertical screw hole of the connection seat, a pointer box capable of rotating is installed at the other end, a spring seat is installed in the pointer box, the upper end and the lower end of a pressure spring abut against the vertical adjusting screw and the spring seat respectively, and the spring seat is provided with a pointer and an elastic fixed clamping claw. The thyroid cartilage fixing device for the laryngeal operation is provided according to the actual requirement of the laryngeal operation and achieves the aims of saving operation assistants, ensuring operation effects, avoiding medical accidents, improving operation efficiency and reducing pains of patients.

The invention discloses a recurrent laryngeal nerve real-time monitor and a monitoring method. The monitor comprises a host, an interface box and a branch box, and is characterized in that the interface box comprises a positive electrode needle and a negative electrode needle, the branch box is electrically connected with a surgical instrument, the host is electrically connected to the branch box through the interface box, and the positive electrode needle and the negative electrode needle are connected to the interface box. The monitoring method includes the steps: first, inserting the positive electrode needle and the negative electrode needle to two sides of a thyroid cartilage notch respectively, and forming a loop between a vocal muscle and a recurrent laryngeal nerve; second, stimulating the recurrent laryngeal nerve by the surgical instrument with weak current. At the moment, the vocal muscle vibrates to form myoelectric signals, and the myoelectric signals are transmitted into the host through the interface box and analyzed to monitor the recurrent laryngeal nerve in real time. Real-time monitoring can be realized in a twilight anesthesia state, and a vocal cord cannot be injured while the nerve is monitored.

The invention relates to an adjustable type thyroid cartilage positioning device used in a laryngeal operation and used for treating the laryngeal diseases of the human body. The adjustable type thyroid cartilage positioning device comprises a support adjusting device shell, a connecting rod, a thyroid cartilage positioning device body, a thyroid cartilage fixing support and a thyroid cartilage attachment plate. According to the adjustable type thyroid cartilage positioning device, the thyroid cartilage positioning device body is added to a traditional prop-up laryngoscope, and therefore the prop-up laryngoscope can be assisted in slightly adjusting the thyroid cartilage downwards or leftwards or rightwards within a certain range so that the thyroid cartilage can be well exposed, the assisting hand, for pressing the larynx, of the surgeon is liberated, and meanwhile operation view field shaking caused when the surgeon exerts uneven force by hand is avoided. By means of the adjustable type thyroid cartilage positioning device for the prop-up laryngoscope, the view field of the surgeon is made clear, the operation is fine, the curative effect is good, operation risks are less, injuries caused by the operation to a patient are less, and post-operation complications are less.

The invention relates to a novel laryngeal cavity puncture and intracavity suture guide, comprising an outer sleeve and a core. After the core and the outer sleeve are assembled, the distal end of thecore is extended out of the distal end of the outer sleeve, and the distal end of the core is provided with a barb structure. The novel laryngeal puncture and intracavity suture guide has the advantages that after a puncture needle is passed into the laryngeal cavity, the core is removed, and the special core with barb structure is inserted in; the barb structure hooks and fastens a suture in thelaryngeal cavity; a trocar is removed to guide the suture out of the throat (neck) from the laryngeal cavity; compared with the Lichtenberger laryngendoscopic suturing device, the novel puncture needle herein can accurately puncture positioned parts at upper and lower edges of the thyroid cartilage in the midline part of the neck; puncture damage to the throat tissue is effectively reduced; operating is convenient, postoperative re-adhesion rate of the vocal cord is lower, and living quality is improved for a patient.

A piezoelectric film sensor (3) of a swallowing sensor (1) includes a plurality of sensing portions (3A) and (3B) in a longitudinal direction of the neck region. The piezoelectric film sensor (3) is located within a range of movement of thyroid cartilage (103), which occurs along with swallowing, and is attached to skin of an anterior neck region (102). The piezoelectric film sensor (3) individually outputs analog signals (S1a) and (S2a) along with deformation of the plurality of sensing portions (3A) and (3B). The swallowing sensor (1) includes pre-processing units (21) and (22) and a signal processing unit (23). Each of the pre-processing units (21) and (22) separates the analog signal (S1a) or (S2a) into a displacement signal that is a low frequency component and a sound signal that is a high frequency component. The signal processing unit (23) determines whether the swallowing occurs based on the displacement signal.

The invention relates to a thyroid examination and puncture skill training model and relates to the technical field of medical education equipment. The model comprises a high-simulation human body upper body model, a thyroid and thyroid nodule, an electric swallowing action simulation device and a microcomputer monitoring controller. The model is characterized in that a left side thyroid gland and a right side thyroid gland of the high-simulation human body upper body model are respectively provided with circular pits, thyroid benign nodules and thyroid malignant nodules are respectively arranged in the circular pits, inflammatory nodules are arranged at the isthmus of the thyroid gland, microswitches are arranged below the inflammatory nodules, palpation examination can be carried out on the three thyroid nodules, corresponding indicator lamps are turned on, the thyroid inflammatory nodules can be pressed to make a cry; A switch of the microcomputer controller swallowing simulation device is pressed down, swallowing actions can be electrically simulated, thyroid cartilage, thyroid gland and thyroid gland nodules can be driven to move up and down along with the thyroid cartilage, the thyroid gland and the thyroid gland nodules, puncture training and examination can be conducted on the three thyroid gland nodules, and due to the fact that the simulation effect is highly simulated, the teaching quality can be remarkably improved.

Methods and systems configured to treat a patient's glottic insufficiency are disclosed. An implant system may include a first implant positioned in the patient's paraglottic space. The first implant is adjustable in volume by changing amount of filler in the implant. The implant system may include a fixation device fixated on or through a cartilage opening in the patient's thyroid cartilage. The fixation device may contain a first channel. The implant system may include a first tube having a first end coupled with the first implant. The first tube passes through the first channel of the fixation device to deliver the filler to the implant. The implant system may further contain a port coupled with a second end of the first tube to regulate the amount of filler in the implant.

The invention discloses a quantity-controllable water drinking device special for swallowing difficulty children, which comprises a water drinking main frame, a water source placing module, a quantity-controllable adjusting module and a swallowing state detection module, a height adjusting mechanism is arranged on the outer side of the water drinking main frame, and the swallowing state detection module is arranged at one end of the height adjusting mechanism. A tongue bone movement detection assembly and a thyroid cartilage shaping assembly are arranged on the inner side of the swallowing state detection module, a pressure detection sensor is arranged at one end of the tongue bone movement detection assembly, and a magnetic attraction mechanism is arranged between the tongue bone movement detection assembly and the thyroid cartilage shaping assembly; periodic pressure is generated on the pressure detection sensor through movement of the tongue bone of a child patient, the current swallowing state of the child patient is determined, the water intake of the child patient is controlled, and the position of the tongue bone movement detection assembly is changed by sampling the thyroid cartilage of the child patient. And the influence on the swallowing process of the sick child caused by the attachment of the motion detection assembly and the chin of the sick child is reduced.

The invention provides a deglutition intelligent detection system which comprises deglutition intelligent detection equipment and a terminal; the deglutition detection equipment comprises fiber grating sensors used for detecting deglutition and auxiliary fixing equipment used for fixing the fiber grating sensors; the positions of the fiber grating sensors correspond to the positions of a thyroid cartilage and a cricoid cartilage at a neck to be capable of better detecting the action of deglutition; and the fiber grating sensors are connected with the terminal. The deglutition intelligent detection system has the advantages of reasonable and simple structure, low cost and capability of timely and effectively detecting whether dysphagia exists or not and improving the reliability of judgmenton the dysphagia.