377 results about "Chest cavity" patented technology

Apparatus and method for ablating target tissue including a non-linear area of tissue in the left atrium of a patient. The method can include selecting an ablation apparatus having an ablator with a tissue engagement section, penetrating a chest cavity of the patient, and identifying the target tissue. The method can also include positioning the ablation apparatus adjacent to the target tissue so that the tissue engagement section can transfer ablation energy to the target tissue. The method can further include energizing the tissue engagement section with ablation energy in order to create a footprint on the non-linear area of tissue in the left atrium and to reduce an overall mass of excitable tissue in the left atrium.

A device is disclosed for treating sleep and breathing disorders of a patient, along with the method of using the device. The device includes a processor for receiving sensor inputs, processing the received sensor inputs, and generating commands through output devices. A first sensor is positionable for receiving breathing sound information emitted from one of the mouth and nose of a patient. The second sensor is positionable on a patient for receiving breathing sounds information from a patient's chest cavity. A third sensor is positionable for receiving information relating to the amount of chest expansion of a patient. A first output device is provided that is capable of providing an auditory signal to a patient. A second output device is capable of providing an electrical signal to a muscle group of a patient that simulates a human touching event. The first, second and third sensors, and the first and second output devices are operatively coupled to the processor to permit the processor to receive information input from the sensors, process the input information to the detect the existence of a sleep-breathing disorder event, and to generate command to at least one of the first and second output devices. The command is capable of directing the at least one output device to provide a series of progressively intrusive stimuli designed to condition the patient to terminate the sleep breathing disorder event, and ultimately, return to a more normal sleep pattern.

A system for draining the chest cavity of a patient subjected to a traumatic chest injury and/or to surgery within the chest. The system includes a small, portable suction device and a chest tube with an improved terminal structure. A number of embodiments of the suction device are disclosed; the first (with two variations) a small, completely disposable, bottle-shaped assembly comprising a motor/pump section, a power section, and a desiccant filled chamber, the second (also with two variations) a small box shaped assembly with a disposable desiccant pouch and a power supply that mounts to a battery charger positioned on an IV pole. A number of chest tube terminus structures are disclosed, including multi-lumen structures having high-airflow and low-airflow lumens as well as “dead” and “live” lumens. Fenestrations are variously positioned between and through the lumens in order to collect coagulated components of the extracted fluids and prevent them from clogging the primary flow tube and restricting or preventing continuous airflow.

The invention discloses a wearable artery detection device comprising an electrocardiogram sensor module, a heart sound sensor module and a pulse wave sensor module all carrying independent relative position sensors inside, as well as a health management module. The health management module is used for giving composite learning indexes. An electrocardiogram sensor is provided with at least three leads located in the lest chest cavity and is packaged in a small patch together with a heart sound sensor, and a reference position sensor is arranged in the small patch to serve as reference coordinates of the relative position sensors. A data processing method of the wearable artery detection device includes: dividing all dynamic physiological parameters obtained by calculation into multiple time windows according to rhythm of dynamic electrocardiograms, inputting high-dimensional feature vectors of the time windows into a deep learning network, and performing supervised deep learning to obtain the composite learning indexes subjected to dimension reducing processing for performing learning processing at the next step prior to obtaining final learning results.

Disclosed is a device for assisting the function of a heart that is collapsible to facilitate minimally invasive procedures. The cup-shaped device may be inserted into the chest cavity and deployed on the heart via a specially configured tube. The device comprises a cup-shaped shell expanded by a support cage disposed within the shell, and an elastic cup-shaped liner, together forming an inflatable cavity between the outer surface of the liner and the inner surface of the shell. Alternate application of positive and negative pressures to the cavity provides controlled, active, systolic and diastolic support to the heart.

A plush bear having a chest cavity for receiving an audio player therein. The plush bear includes a head, a body, arms and legs. The body has a chest cavity with a built-in pocket therein for receiving an audio player selected from the group consisting of a CD player, an Ipod and an MP3 player. The built-in pocket has a connection wire disposed therein for connecting to the audio player and a see-through cover for controlling the audio player. The built-in pocket includes a plush material cover or flap corresponding to the plush material on the plush bear. The plush bear has two built-in speakers and an amplifier connected to the connection wire for connecting to the audio player; and the plush bear has a battery compartment for receiving one or more batteries to power the audio player, the amplifier and the two speakers.

The invention relates to a method and an intelligent bed for detecting respiration rates and heart rates without constraints. The method includes steps of 1), preprocessing heart impact signals; 2), preprocessing respiration signals; 3), analyzing signal cycles, to be more specific, detecting wave peaks of 2n preprocessed pressure signals and preprocessed acceleration signals and carrying out threshold judgment on the preprocessed pressure signals and the preprocessed acceleration signals to obtain respiration and heartbeat cycles of users; 4), computing the heart rates and the respiration rates, to be more specific, dividing the heartbeat cycles obtained at the step 3) by 60 to obtain the heart rates of the users, acquiring 2n respiration cycles by 2n pressure sensors by the aid of the step 3), computing average values of the 2n respiration cycles to obtain average respiration cycles, and dividing the average respiration cycles by 60 to obtain the respiration rates of the users. The method and the intelligent bed have the advantages that vibration acceleration of a bed can change by the aid of heart impact, the heart rates can be extracted by the aid of the change of the vibration acceleration of the bed, the respiration rates can be extracted by the aid of change of pressures which are applied by the thoracic cavities to the bed in respiration movement, and accordingly the heart rates and the respiration rates can be detected without the constraints; the method and the intelligent bed are high in output accuracy and recognition speed and good in real-time performance.

The invention discloses an electromagnetically-driven flapping wing type micro aircraft based on flexible hinges, which comprises chest cavities, cylindrical permanent magnets, a spiral coil, wings, a tergum and flexurally-deformed flexible hinges, wherein the two flexible hinges are passively twisted; the pair of wings is symmetrically mounted on both ends of the tergum; the flexible hinges are sandwiched between the two chest cavities to form a sandwich structure, the tergum is fixed on the flexible hinge, and both ends of the tergum are symmetrically positioned in free regions of the chest cavities; the spiral coil is fixedly mounted in the central position of the chest cavities; and the permanent magnet is fixed in the center of the tergum. Though the machining based on an MEMS (Micro Electronic Mechanical System) process, the invention realizes the flapping wing type micro aircraft of which the wingspan is smaller than 3cm, and driving force can be obtained through the interaction of the energized spiral coil and a magnetic field between the permanent magnets. Besides, the invention has the advantages of very simple structure, small input voltage and large output force, is convenient and flexible to control, and is easy to realize portable operation.

A Minimally Invasive Ventricular Assist Device for circulatory support of a failing heart apt to be inserted percutaneously bluntly via a thoracostomy a into a chest cavity of a patient in cardiac failure or cardiac arrest without the need for wide surgical opening of the chest. The device once deployed inside the chest is capable of compressing and decompressing the heart via pneumatic or mechanical means providing circulatory support to patients in cardiac failure or cardiac arrest. Due to its design and structure the Minimally Invasive Percutaneous Ventricular Assist Device can be deployed rapidly and safely at bedside by health care professionals properly trained in the procedure.

Methods and compositions for treating a subject for obesity-hypoventilation syndrome, or related conditions, are provided. The subject methods include applying an electrical stimulus to a subject in a manner that modulates chest cavity capacity in a manner effective to treat the subject. Also provided are compositions, kits and systems for use in practicing the subject methods.

The invention relates to a musical teaching apparatus, especially relates to a musical respiration training instrument, which includes induction system and display apparatus. The invention is characterized in that a chest cavity cover band with one or several aerostats is set at the aforementioned induction system, the aerostats respectively connect with aerating device and display apparatus through manifold assembly. The movement of muscle group generates pressure to aerostats when human breathes, and the extrusion to aerostats makes the air pressure inside of aerostats change, and the change is transferred to display apparatus through manifold assembly, the display apparatus judges and displays the strength, times and staying quality of respiration based on the change of air pressure.

A method of performing minimally invasive cardiac surgery includes the step of creating an access aperture into a patient's chest cavity, the access aperture being considerably smaller than a traditional cardiac surgery incision. A cannula is provided that has an oval portion with a longer major axis and a shorter minor axis and the cannula is inserted into the chest cavity through the access aperture.

Provided is a training box that is a practice tool for learning heart massaging (sternal compression) through experience; is low-cost, small-sized, light weight, and easy to transport; retains durability under repeated use; and on which AED use procedures can also be drilled. The portable practice tool for heart massaging in cardiopulmonary resuscitation is characterized by being provided with a chest-mockup main unit (1) having a thickness that is thicker than a thickness equivalent to the depth of chest cavity subsidence required during heart massaging (sternal compression), in which a palm-sized opening (3) in the center of the chest-mockup main unit (1) is opened in a vertical direction; a closed-cell synthetic resin foam (6a), which is covered by a bag (6d), contracts and expands in a vertical direction, and has a cavity (7) in the interior, is provided in said opening as a pressing part (6) that is moveable in the vertical direction; and a valve (8), which is for both the entrance and exit of air to the abovementioned cavity (7) and the detection thereof, is disposed on a side of the bag (6d).

The invention discloses a cardiopulmonary resuscitation first-aid device for an emergency department. The cardiopulmonary resuscitation first-aid device comprises a lying plate, wherein a supporting table is arranged at the bottom of the lying plate; a supporting frame is arranged on the left side of the top of the lying plate; and a transverse rod is fixedly mounted at the top of the right side of the supporting frame. According to the cardiopulmonary resuscitation first-aid device disclosed by the invention, a three-dimensional chest pressing mode is adopted and force is uniformly distributed to the whole chest through a pressing bag; on one hand, downward longitudinal pressing force is formed; meanwhile, a chest wall is extruded to trigger and enhance breathing and circulation, so thatcontinuous, stable and effective chest compression is realized; especially, chest compression and breathing assistance of a patient are orderly, synchronously and alternately carried out, and the device is more regular and has a better utilization effect; compared with previous various cardiopulmonary resuscitation devices, the cardiopulmonary resuscitation first-aid device has better breathing and circulation driving effects; an extending or retracting stroke of an electric retractable device is sufficiently utilized, the power consumption is lower and resource wastes are reduced; and the cardiopulmonary resuscitation first-aid device has high portability and is convenient to move and use.

A chest protector, in sports medicine, adapted for players of the athletic games, is light in weight and reasonably comfortable to wear. It will protect the heart and chest cavity area of players in such games as lacrosse, field hockey, and baseball. The chest protector includes a shirt, preferably of two-way stretch fabric, having a large front pocket across its chest area. A protector plate is positioned within the pocket. The protector plate is an assembly of molded layers, comprising inner-most and outer-most layers of plastic, preferably polyethylene sheets; a central layer of a high impact polymer pad, preferably a dry polyurethane gel; and two layers of high impact resistant fabric of high tensile strength fibers, preferably para-aramid fibers, with the polymer pad being sandwiched between the two layers of impact resistant fabric.

The invention relates to a method for measuring the heart rate and the respiratory frequency of a human body. The method comprises the following steps of 1, obtaining a video image of a tested object; 2, resolving the video image into an image frame series; 3, inserting and generating N frames of images in the adjacent image frames; 4, detecting the position of a located region of a face in each frame of image; and 5, performing statistics according to the change of the position of the located region of the face in an image frame system to obtain the face fluctuation frequency of the tested object, i.e. the heart rate of people. The method has the advantages that a plurality of frames of images are inserted and generated in the image frames of the video image of the tested object; after the video slowdown at a certain ratio, the heart rate and the respiratory frequency of the human body are obtained according to the fluctuation and color change conditions of the located regions of the face and the chest cavity in the slowdown video image frame; the remote heart rate and breath monitoring is realized; the remote real-time monitoring on the heart rate and the breath of the tested object is facilitated; and the body condition of the tested object can be mastered in time.

Medical devices for insertion into a body cavity, such as the thoracic cavity. One version of the medical devices includes an outer needle with side openings in the shaft that communicate with a central passageway of the outer needle, and a stylet having a tapered distal end and a shaft that is configured to be slidably positioned within the passageway of the outer needle. The stylet shaft in this version has different cross-sectional areas at different locations along the stylet shaft. Methods of performing a medical procedure on a subject using the disclosed medical devices. One such procedure is a lung biopsy on a subject.

An apparatus and method for facilitating or enhancing a person's breathing. The method provides for supporting the person's shoulders and elevating the person's spine, so as to enable the person's body weight to be distributed in the person's shoulders, expanding the person's chest cavity to enhance oxygen intake. The apparatus is especially adapted to perform the functions of the method.

The present invention relates to method of automatically setting reconstructed view field along inner chest cavity border in CT locating image, and the reconstructed view field contains exactly all the points in inner chest cavity border of the scanned locating image. The present invention obtains the inner chest cavity border in the image of the patient through searching from the skeleton to the chest cavity and comparing the CT values. The method can set reconstructed view field accurately, effectively and quickly.