20 results about "Thoracic diaphragm" patented technology

1. A surgical kit for performing surgery for the treatment of reflux disease, the surgical kit comprising the following components: An implantable motion restriction device configured to impede movement of the lower esophageal sphincter relative to the thoracic diaphragm, the device having at least a portion positioned between the angle of His and the thoracic diaphragm; a lubricant including an antimicrobial agent for use in combination with the implantable motion restriction device; and at least one absorbable suture.

The pressure sensor 10 comprises: a bottomed cylindrical sensor module 11 having inside a pressure receiving chamber C1 communicating with a flow path and including a diaphragm 11a in contact with the pressure receiving chamber; a pressure detecting element 12 for outputting a strain of the diaphragm 11a as a pressure; a base ring 14 fixed at an outer edge of an open-side end part 11c of the sensor module and disposed on an outer peripheral side of the sensor module 11; a hermetic member 13 fixed to the base ring 14 for forming a sealed vacuum chamber C2 opposite to the pressure receiving chamber C1 across the diaphragm 11a; a gasket 18 sandwiched between the base ring 14 and a body 5; and a pressing flange 19 for pressing the base ring 14 to the body 5 through the gasket 18.

The invention discloses lung function rehabilitation training equipment for pneumology department patients, and belongs to the technical field of rehabilitation training equipment. Comprising a transparent rhythm changing assembly, the rhythm changing assembly comprises a plurality of vertical pipes, the vertical pipes are sequentially connected through arc-shaped pipes, the head vertical pipe and the tail vertical pipe are connected with transverse pipes through the arc-shaped pipes, training balls are arranged in the vertical pipes, and the training balls move along tracks formed after the vertical pipes, the arc-shaped pipes and the transverse pipes are assembled; the device further comprises a breathing switching assembly arranged between the two transverse pipes, the breathing switching assembly comprises a switching ball used for breathing mode switching, a pagoda nozzle is fixed to the training ball, and the switching ball is rotationally connected between the two transverse pipes. The training ball moves in the vertical pipe from bottom to top by breathing the pagoda mouth, and the technical effects of intermittent breathing, active control of the breathing rhythm, enhancement of coordination of abdominal muscle, diaphragm and other expiratory muscle groups, fatigue delaying and intermittent depth alternation matched with real physiological needs are achieved.

The present disclosure provides a method of estimating a motion of a lung. The method comprises receiving a set of images of organs, wherein one of the organs is the lung. The method then reconstructs a three-dimensional model of the organs based on the received images. Lung tissue is then determined within the three-dimensional model of the organs. The method then generates a lung mask based on the determined lung tissue and extends the lung mask in an inferior direction so as to include tissue below the diaphragm. The motion of the lung based on the extended lung mask is then determined.

The present invention relates to a diaphragm that can prevent deformation of the diaphragm and prevent blockage of the flow path by means of a rib formed in the body of a diaphragm having a diaphragm structure of an oil chamber and a gas chamber in a shock absorber constituting a vehicle suspension system. The invention provides a diaphragm without a parting line, and a diaphragm that can increase the rigidity of the product by forming a rib protruding from the inner circumference of the body to secure the flow path even under pressure on the diaphragm or deformation of the product, forming a groove in the rib, forming a reinforcing rib on one side of the rib, and forming an outer circumference rib on the outer circumference of the body.

The invention discloses a method and a system for removing breathing artifacts of an animal micro-CT image. The method comprises the following steps: preprocessing projection data of an animal to obtain label information; training label information by using a depth target detection network to obtain thoracic cavity diaphragm positions, classifying the thoracic cavity diaphragm positions, extracting target limiting projections at the end of diastole and the end of systole, and performing unequal interval filtering back projection reconstruction on the target limiting projections to obtain a breathing artifact-removed image; correcting the breathing artifact-removed image by using an improved deep noise reduction network to obtain a breathing and stripe artifact-removed image; in-phase projection is extracted in a projection domain and is reconstructed, so that respiratory artifacts are effectively removed from the source; and the improved deep noise reduction network is used to enhance the quality of the sparse reconstruction image, so that the image quality is remarkably improved, and a clearer and more accurate image basis is provided.

To suppress generation of a peak dip in a diaphragm.SOLUTION: A diaphragm 1 is formed in a predetermined shape in which a length of one axial direction and a length in the other axial direction are different in the two axial direction which are orthogonal in a planar view and both sides in a length direction which is one axial direction consist of curves. The diaphragm 1 comprises a first reinforcement part 3 which extends in the length direction, and a second reinforcement part 4 which is mesh-like unevenness provided adjacently to the first reinforcement part 3 in a width direction. Insect wings are imitated on the second reinforcement part 4.SELECTED DRAWING: Figure 1

An apparatus (100) for treating reflux disease in a human patient, the apparatus comprising an implantable movement restriction device (110) shaped and sized for placement against a fundus wall portion (14) of the patient's stomach (10), the movement restriction device being positioned for implantation between the patient's pleural diaphragm (30) and a portion of the gastric fundus wall, and configured to restrict movement of the patient's lower esophageal sphincter (26) of the stomach toward the thoracic diaphragm to prevent the lower esophageal sphincter from slipping through an opening (32) in the thoracic diaphragm and into the patient's thoracic cavity. A first electrode arrangement is configured to contact and electrically stimulate the lower esophageal sphincter (26) to cause contraction thereof, and an inhibitory electrode arrangement (150') is configured to transmit an electrical inhibitory signal to the vagus nerve.

A loudspeaker (1) comprising a diaphragm (2), a voice coil (10) mounted on the diaphragm (2) to move with the diaphragm (2), a chassis (4), and a spider (20) is disclosed. The spider (20) extends across a gap between the chassis (4) and the voice coil (10) and comprises a plurality of legs (36), each leg (36) extending radially across at least a portion of the gap. The diaphragm (2) is configured to move from a neutral position to an extended position. When the diaphragm (2) is in the neutral position the cross-sectional shape of each leg (36) follows a line which varies in height with respect to a reference plane, said line comprising first, second and third curves, the second curve being located in between the first and third curves. Either the first and third curves are convex and the second curve is concave, or the first and third curves are concave and the second curve is convex. Thus, the spider (20) may have legs (36) having an ‘m’ or ‘w’ shaped profile in at least one region of the leg (36).

A wearable device for monitoring one or more vital signs of a human body is described that includes a carrier suitable for being worn around an abdominal part of the body, and an electrode arrangement comprising a plurality of conductive electrodes. The electrodes are arranged on the carrier such as to be brought in contact with a skin of the body in use, and the electrodes are arranged for receiving electric physiologic signals from the body for enabling monitoring of a membrane potential of one or more muscles in the body. The electrodes include one or more first electrodes arranged on the carrier so as to be in contact with a side part of a torso of the body, to receive via said first electrodes a first electrical signal indicative of a membrane potential of a thoracic diaphragm of the body. The carrier includes at least one second electrode arranged on the carrier so as to be in contact with a mid front part of the abdominal part of the body. The at least one second electrode thereby being arranged for receiving a second electrical signal indicative of one or more further electric physiologic signals from the body, for enabling filtering of the first electrical signal using the second electrical signal for enabling electromyography of the thoracic diaphragm.

The invention discloses an intelligent vocal music sound production training device in the technical field of vocal music training, and the device comprises an oral cavity monitoring module which is used for obtaining the opening and closing information of an oral cavity when a user produces sound, and constructing a corresponding three-dimensional oral cavity form; the controller is also used for acquiring change information of an airflow temperature field around the oral cavity when the user makes a sound, and establishing a correlation model of the change information of the airflow temperature field and the tone / level and oblique relationship of the poem art songs; the abdomen detection module is used for acquiring movement information of diaphragms and intercostal muscles in the body of the user and establishing a three-dimensional mapping model; and the AI analysis module is used for performing accuracy evaluation on singing of the user based on conjoint analysis of data of the correlation model and the three-dimensional mapping model. According to the method, the matching degree of vocal music pronunciation and tone / level and tone rules of ancient poetry art songs is analyzed by integrating multi-dimensional data such as oral cavity dynamics and breathing temperature fields and combining with a breathing muscle group motion model, and accurate evaluation is realized and a personalized training scheme is generated by utilizing an AI algorithm.

The utility model provides a breathing simulation teaching aid which comprises a support body, the support body is provided with a first opening at the top, second openings at the two sides of the middle part and a third opening at the bottom in sequence from top to bottom, the support body is also provided with a cover body at the first opening, and a first elastic sealing film is arranged at the second opening; a second elastic sealing film is arranged at the third opening; the rib simulation part is arranged at the second opening, and the rib simulation part is connected with the first elastic sealing film; the elastic layer is transversely arranged in the supporting body and divides the interior of the supporting body into two independent spaces, and the second opening and the third opening are formed in the upper side and the lower side of the elastic layer respectively; the respiratory system simulation mechanism comprises a tube body and a plurality of balloons, one end of the tube body is inserted into the supporting body through the cover body, two or more branch tubes are arranged on the tube body, and the branch tubes are connected with the balloons in a sealed mode. According to the utility model, the rib simulation part, the second elastic sealing film and the elastic layer are arranged to simulate the ribs, the belly and the diaphragm of the human body respectively.

The present disclosure relates to position monitoring of medical devices, and more specifically to technologies for enabling the automatic monitoring of a position of a catheter in relation to a diaphragm. Aspects of the disclosure comprises determining training data to be used for training a machine learning algorithm to classify a position of a catheter in relation to a diaphragm of a patient. Further aspects of the disclosure comprising using a trained machine learning algorithm for classifying a position of a catheter in relation to a diaphragm of a patient.

A surgical kit for performing a surgical procedure for treating reflux disease, the surgical kit comprising: an implantable movement restriction device (110, 111a, 111b) configured to be hindering movement of the lower esophageal sphincter relative to the thoracic diaphragm, placed at least partly between the angle of His and the diaphragm, a lubricant including at least a bacteriostatic substance for use with the implantable movement restriction device, and at least one resorbable suture (153).

The invention provides a closed-loop transtracheal phrenic nerve stimulation control system and a method thereof, the closed-loop transtracheal phrenic nerve stimulation control system is characterized by comprising a control unit, a stimulation generator, a tail end electrode and a detection unit, the control unit drives the stimulation generator to generate stimulation current, the stimulation current stimulates a diaphragm through the tail end electrode, and the detection unit detects the diaphragm. The detection unit detects electromyographic signals of the diaphragm through the tail end electrode, the control unit receives and processes the electromyographic signals in real time and dynamically adjusts stimulation current parameters according to a preset algorithm, and therefore closed-loop regulation and control are achieved; the control unit is in communication connection with the respirator to ensure synchronization of electrode stimulation and autonomous respiration. The invention has the advantages that: a closed-loop feedback control strategy is adopted, through the tail end electrode integrating stimulation and detection functions, accurate electrical stimulation of diaphragm and real-time monitoring of electromyographic signals (EMG) are realized, the system integration level is improved, and the implantation burden is reduced.

An implantable medical device for treating reflux disease includes a movement restriction device configured to be anchored to the stomach wall to prevent movement of the lower esophageal sphincter relative to the thoracic diaphragm. The movement restriction device includes a first portion, a second portion, and a first distance element. The first and second portions are configured to be connected to each other to form at least a portion of a functional movement restriction device. The first and second portions are detachable from each other to allow the first and second portions to pass independently through the gastrointestinal tract, and the first distance element is configured to form a space between the first and second portions, the space being configured to allow fibrous tissue ingrowth between the first and second portions.

This invention discloses a structure for improving the anti-interference capability of a high-sensitivity QD acquisition circuit in a spaceborne laser communication terminal optical controller, and provides a design method. The structure includes a chassis cavity, a suppression cavity, and a shielding cover. The chassis cavity and shielding cover minimize the entry of interfering electromagnetic signals, while the suppression cavity attenuates interfering electromagnetic signals entering the chassis cavity. The core of this invention lies in the design of the suppression cavity, which consists of a transverse diaphragm, a longitudinal diaphragm, and an isolated diaphragm, with the transverse and longitudinal diaphragms forming a periodic cavity. This invention significantly improves the anti-interference capability of the QD acquisition circuit in its sensitive frequency band, achieving a suppression capability of over 10 dB.

The invention discloses a structure for improving the anti-interference capability of a high-sensitivity QD acquisition circuit of an optical controller of a satellite-borne laser communication terminal, and provides a design method. The structure comprises a case cavity, a wave suppression cavity and a shielding cover plate, the case cavity and the shielding cover plate reduce interference electromagnetic signals to the maximum extent, and the wave suppression cavity is used for attenuating the interference electromagnetic signals entering the case cavity. The core of the invention lies in the design of a wave suppression cavity, the wave suppression cavity is composed of transverse diaphragms, longitudinal diaphragms and isolated diaphragms, and the longitudinal diaphragms and the transverse diaphragms form a periodic cavity. According to the invention, the anti-interference capability of the sensitive frequency band of the QD acquisition circuit is obviously improved, and the inhibition capability reaches more than 10dB.

A trans-esophageal aortic flow control device includes an esophageal tube, an anchoring device for securing placement in a patient's stomach, and an articulating actuator. The articulating actuator includes a carrier extending through the esophageal tube, at least one movable arm connected to the carrier, a compression balloon mounted on the movable arm, and a mechanical operator. The mechanical operator is configured to move the movable arm between a stored position within the esophageal tube and a deployed position extending outward from the esophageal tube to position the compression balloon to apply a compressive force posteriorly in the patient's esophagus against their aorta. The movable arm may comprise a pivotable arm that pivots through an opening in the tube wall, a curving articulable arm that bends outward from the tube, or a multi-pivot assembly having first and second pivoting arms connected by a compression balloon carrier. The articulating actuator is positioned to align the compression balloon with the patient's aorta proximal to their diaphragm when deployed.

An implantable medical device for treating reflux disease, the implantable medical device comprising a movement restriction device (110) configured to be fixated to the stomach wall for hindering movement of the lower esophageal sphincter relative to the thoracic diaphragm. The movement restriction device comprises central part (111e), and at least two outer parts (111a-d) configured to be connected to each other along a vertical plane. The at least two outer parts are configured to be connected to the central part for forming at least a portion of a functional movement restriction device. The central part comprises at least one horizontally extending rim (151h1-4) and the central part has a contacting surface configured to contact at least one surface of the at least two outer parts, and wherein a portion of the horizontally extending rim is wedge-shaped with an angle in the range 20° - 60°.