Patent application number | Description | Published |
20100269828 | SYSTEM, METHOD AND APPARATUS FOR REMOVAL OF VOLATILE ANESTHETICS FOR MALIGNANT HYPERTHERMIA - Systems, methods, and apparatus for removing volatile anesthetics from an anesthesia or ventilation system to minimize the effects of malignant hyperthermia in susceptible patients. According to one aspect of the present invention, a system for removing volatile anesthetics is provided. A first filter component placed in fluid communication with an inspiratory limb of an anesthesia or ventilation system such that volatile anesthetics will pass through the first filter component during operation of the anesthesia or ventilation system. A second filter component is operably coupled to the expiration port of the anesthesia or ventilation system such that gases passing through the expiratory limb of the anesthesia or ventilation system pass through the second filter component. The first filter component and second filter component are adapted to effectively remove volatile anesthetics passing through the respective filters. | 10-28-2010 |
20120325213 | System, Method and Apparatus for Removal of Volatile Anesthetics for Malignant Hyperthermia - Systems, methods, and apparatus for removing volatile anesthetics from an anesthesia or ventilation system to minimize the effects of malignant hyperthermia in susceptible patients. According to one aspect of the present invention, a system for removing volatile anesthetics is provided. A first filter component placed in fluid communication with an inspiratory limb of an anesthesia or ventilation system such that volatile anesthetics will pass through the first filter component during operation of the anesthesia or ventilation system. A second filter component is operably coupled to the expiration port of the anesthesia or ventilation system such that gases passing through the expiratory limb of the anesthesia or ventilation system pass through the second filter component. The first filter component and second filter component are adapted to effectively remove volatile anesthetics passing through the respective filters. | 12-27-2012 |
20140243629 | SYSTEM FOR GENERATING NONINVASIVE RESPIRATORY MONITOR SIGNALS - A system for simulating various clinical conditions which are detectable by a noninvasive respiratory monitor is provided. The simulated clinical conditions may be displayed on a noninvasive respiratory monitor to replicate a variety of disease states to provide training for a clinician. The system may include a pulse oximetry simulation device and/or a CO | 08-28-2014 |
Patent application number | Description | Published |
20080228096 | End-Tidal Gas Estimation System and Method - An apparatus and method of indicating the reliability of an end-tidal gas value that includes measuring a plurality of gas concentration values, measuring a plurality of ventilation values, determining an end-tidal gas value from the gas concentration values, determining the degree of ventilatory stability from the ventilation values, and providing an estimate of reliability of the end-tidal gas values using the degree of ventilatory stability. | 09-18-2008 |
20090118633 | End-Tidal Gas Estimation System and Method - An apparatus and method of using an end-tidal gas value taken from an non-intubated patient that includes measuring a plurality of gas concentration values, determining an end-tidal gas value from the gas concentration values, and reporting the end-tidal gas value for a breath as the greater of either: (a) a maximum gas concentration values observed during such a breath, or (b) the end-tidal gas value reported for a previous breath decreased by a maximum allowable breath-to-breath percent change. | 05-07-2009 |
20100036272 | METABOLIC MEASURE SYSTEM INCLUDING A MULTIPLE FUNCTION AIRWAY ADAPTER | 02-11-2010 |
20100106040 | PORTABLE PRESSURE TRANSDUCER, PHEUMOTACH FOR USE THEREWITH, AND ASSOCIATED METHODS - A system for sensing respiratory pressure includes a portable pressure transducer configured to be carried by or proximate to a respiratory conduit, such as a breathing circuit or a nasal canula. The portable pressure transducer may removably couple with a pneumotach, in the form of an airway adapter, disposed along the respiratory conduit. The pneumotach may include two pressure ports positioned at opposite sides of an obstruction, which partially blocks flow through a primary conduit of the pneumotach. Corresponding sample conduits of the portable pressure transducer removably couple with the pressure ports. The pressure ports may have sealing elements which are configured to seal against piercing members of the sample conduits upon introduction of the piercing members therethrough. Upon removal of the piercing members, the sealing elements substantially reseal. Methods for using the system are also disclosed. | 04-29-2010 |
20120055481 | ANESTHESIA REVERSAL METHODS AND SYSTEMS - An apparatus for reversing inhaled anesthesia, which may be configured to be positioned along a breathing circuit or anesthesia delivery circuit, includes an anesthesia removal component and a blood flow acceleration component. The blood flow acceleration component facilitates an increase in the ventilation of the individual without resulting in a significant decrease in the individual's P | 03-08-2012 |
20130041280 | COMPENSATION OF VOLUMETRIC ERRORS IN A GAS MONITORING SYSTEM - A mainstream gas monitoring system ( | 02-14-2013 |
Patent application number | Description | Published |
20110178968 | SYSTEM AND METHOD FOR DETECTING RESPIRATORY INSUFFICIENCY IN THE BREATHING OF A SUBJECT - Respiratory insufficiency is detected by classifying preliminary breaths identified through a capnogram as being valid or artifact. Individual breaths are classified as being valid or artifact by determining values of a plurality of breathing parameters for a given breath, inferring a value for a key parameter from the determined values for the plurality of breathing parameters, and comparing the inferred value for the key parameter to a predetermined threshold. | 07-21-2011 |
20110245705 | DETERMINING THE FUNCTIONAL RESIDUAL CAPACITY OF A SUBJECT - A system and method that determine the functional residual capacity of a subject in an automated manner. The determination of the functional residual capacity of the subject is made by analyzing the washout and/or wash-in of one or more molecular species present in gas breathed by the subject. The determination of the functional residual capacity can be made without a determination of oxygen consumption. | 10-06-2011 |
20120215125 | SYSTEM AND METHOD OF MONITORING BREATHING - Sidestream sampling of gas to determine information related to the composition of gas at or near the airway of a subject is implemented. From such information one or more breathing parameters of subject | 08-23-2012 |
20120234324 | SYSTEM FOR PROVIDING SUPPORT THERAPY WHILE DETERMINING CONCENTRATIONS OF A MOLECULAR GASEOUS EXPIRED BY A SUBJECT RECEIVING PRESSURE SUPPORT THERAPY - Pressure support therapy is provided to a subject. The effectiveness of the provided pressure support therapy is determined and/or the therapy is titrated based on determinations of the concentration of one or more gaseous molecular species in gas exhaled by the subject. The determinations of composition of gas exhaled by the subject are obtained from samples with relatively little distortion caused by dilution of expired gases from gases provided to the airway of the subject as part of the pressure support therapy. | 09-20-2012 |
20120265089 | SYSTEM AND METHOD FOR DETECTING VALID BREATHS FROM A CAPNOMETRY SIGNAL - Based on a capnometry signal, one or more breathing parameters of a subject are determined that require valid breaths by the subject to be distinguished from anatomical events that cause the CO | 10-18-2012 |
20120289853 | SYSTEM AND METHOD FOR DETERMINING DEAD SPACE FRACTION IN AN ONGOING MANNER FROM INTERMITTENT BLOOD GAS SAMPLES - A system is configured to monitor the dead space fraction of a subject in a substantially ongoing manner, rather than only updating the dead space fraction of the subject if one or more blood gas parameters of the subject are measured. This may facilitate enhanced control over respiratory therapy being provided to the subject, may inform decisions about care of the subject, and/or may provide other enhancements. | 11-15-2012 |
20130013281 | DETERMINING COMPONENTS OF TOTAL CARBON DIOXIDE EXCRETED BY A SUBJECT - Values of components of total carbon dioxide excreted by a subject can be provided. One or more signals may be received conveying information related to a rate of total carbon dioxide excreted by the subject. Based at least in part on the received one or more signals, a first capnometric component and/or a second capnometric component may be determined. The first capnometric component may indicate a rate of metabolic carbon dioxide production. The second capnometric component may indicate a rate of carbon dioxide transfer to or from body compartments of the subject that store carbon dioxide. The first capnometric component and/or the second capnometric component may be presented to a user. | 01-10-2013 |
20130131533 | SUBJECT INTERFACE APPLIANCE AND METHOD FOR DELIVERING A BREATHABLE SUBSTANCE TO A SUBJECT WHILE OBTAINING GAS SAMPLES FROM THE AIRWAY OF THE SUBJECT - A subject interface appliance ( | 05-23-2013 |
20130150734 | INTUITIVE PRESENTATION OF VENTILATION EFFECTIVENESS - Ventilation information may be presented. Output signals may be received that convey information related to one or more breathing parameters of a subject receiving assisted or controlled mechanical ventilation. Based at least in part on the received output signals, volumetric components of a tidal volume of the subject may be determined. The volumetric components may include an alveolar dead space, an effective alveolar tidal volume, and/or other volumetric components. The alveolar dead space is the volume of inspired gas that occupies alveoli but does not take part in oxygen exchange in the lungs of the subject. The effective alveolar tidal volume is the volume of inspired gas that takes part in oxygen exchange in the lungs of the subject. A visual representation that textually or graphically represents the tidal volume, and/or textually or graphically represents the volumetric components separately from each other may be presented via a user interface. | 06-13-2013 |
20130261488 | SYSTEM AND METHOD OF IDENTIFYING BREATHS BASED SOLELY ON CAPNOGRAPHIC INFORMATION - Breaths of a subject are identified based on the concentration of carbon dioxide at or near the airway of the subject. Troughs corresponding to inhalation are identified and plateaus corresponding to exhalation are identified. A breath is identified responsive to a trough being followed by a plateau. | 10-03-2013 |
20130267862 | SYSTEM AND METHOD FOR DETERMINING ONE OR MORE BREATHING PARAMETERS OF A SUBJECT - A system is configured to determine one or more breathing parameters of a subject, such as one or both of end-tidal carbon dioxide concentration and/or breath rate. The system is configured to make a plurality of preliminary determinations of an individual breathing parameter according to a plurality of different algorithms. A final determination of the breathing parameter is obtained by selecting one of the preliminary determinations based on therapy parameters, gas parameters, and/or other parameters that impact the accuracy and/or precision of the different algorithms. | 10-10-2013 |
20130267863 | SYSTEM AND METHOD FOR DETERMINING CARBON DIOXIDE EXCRETED DURING NON-INVASIVE VENTILATION - A system is configured to perform capnometry/capnography, and/or other compositional analysis on a non-invasively ventilated subject. As such, the system determines amounts of a molecular species of gas (e.g., carbon dioxide, oxygen, etc.) excreted by the subject on a per-breath basis. Determinations of amounts of the molecular species of gas excreted are adjusted to reflect amounts of the molecular species of gas leaked from the non-invasive interface used to communicate with the airway of the subject. | 10-10-2013 |
20140216451 | PRESSURE BASED GAS LEAK TESTING - Gas-pressure-based testing, in some embodiments, features a self-leak-testing module ( | 08-07-2014 |
20140330155 | METHOD AND APPARATUS FOR MONITORING AND CONTROLLING A PRESSURE SUPPORT DEVICE - A system and method are configured to monitor respiratory stability and/or effectiveness. A ventilation index is determined that provides an indication of respiratory stability and/or effectiveness. The ventilation index is determined from one or more metrics that indicate deviation of a breathing parameter of a subject from levels that have been observed to be normal or typical for the subject. | 11-06-2014 |
Patent application number | Description | Published |
20090137940 | DIAPHRAGM PUMP AND RELATED SYSTEMS AND METHODS - In some arrangements, a pump for moving a fluid has one or more pump chambers and one or more flow control valves with diaphragm actuation regions. Motive fluid can activate the diaphragm actuation regions, and a pattern of fluid flow can be controlled by varying the pressure levels of the motive fluid. | 05-28-2009 |
20110136594 | VOLLEYBALL PRACTICE SYSTEM - A volleyball practice system that includes a support frame with an attached reduced size volleyball practice net, a catch net, a removable and selectively positionable suspended ball attached to the support frame by a plurality of tethers, and a selectively removable electronic speed sensor and indicator device attached to the support frame for indicating the speed of the volleyball as it travels transversely to a vertical planar surface of the practice net. | 06-09-2011 |
20120179235 | COMPOSITE STENT GRAFTS FOR IN SITU ASSEMBLY AND RELATED METHODS - Composite stent grafts can include separate components that are capable of being repositioned relative to each other in situ. In some examples, a stent and a graft that are attached to each other in an insertion package do not overlap each other. The graft and stent are moved relative to each other in situ. | 07-12-2012 |
20120224984 | DIAPHRAGM PUMP AND PUMPING SYSTEMS - A process fluid pump can include a pump chamber, an inlet valve, and an outlet valve. Diaphragm regions can define at least a portion of each of the pump chamber, the inlet valve, and the outlet valve. The diaphragm regions can each have an actuation region with a surface that is convexly shaped when the formed actuation region is in a natural unstressed first state, and each formed actuation region can be actuated by a motive fluid to transition to a second state in which the surface is non-convexly shaped. | 09-06-2012 |
20120239021 | MAGNETICALLY COUPLING DEVICES FOR MAPPING AND/OR ABLATING - Systems for ablating tissue can include a pair of electrode assemblies. The electrode assemblies can automatically align on opposing sides of operative tissue due to magnetic interaction. One assembly can move automatically in response to the other assembly due to the magnetic interaction. Some systems are capable of cooling the electrode assemblies during ablation procedures. | 09-20-2012 |
20130211282 | ESOPHAGEAL HEAT SENSORS - Heat sensors can be positioned within the esophagus of a patient so as to monitor temperature changes during ablation procedures in the heart. Some heat sensors can include a wire that defines an extended heat sensing region capable of detecting a change in the local temperature. Some heat sensors can be conformable to an inner surface of the esophageal wall to maintain contact therewith or to be in close proximity thereto. | 08-15-2013 |
20130211283 | FLUIDIC ESOPHAGEAL HEAT SENSORS - Heat sensors can be positioned within the esophagus of a patient so as to monitor temperature changes during ablation procedures in the heart. Some heat sensors can include one or more fluid passageways that define an extended heat sensing region capable of detecting a change in the local temperature. Some heat sensors can be conformable to an inner surface of the esophageal wall to maintain contact therewith or to be in close proximity thereto. | 08-15-2013 |
20130324986 | DEVICES FOR KILLING TUMOR CELLS AND RELATED SYSTEMS AND METHODS - Various devices, systems, and methods are capable of killing tumor cells by delivering cell-disrupting agents into a tumor in an inward direction from a peripheral border about the tumor. In some examples, a covering that includes one or more emissive elements encompasses at least a portion of a tumor such that the emissive element is directed inwardly toward the tumor so as to be able to introduce a cell-disrupting agent into the tumor. In further examples, the covering is incorporated into a glove. | 12-05-2013 |
20140142565 | MAGNETICALLY COUPLING DEVICES FOR MAPPING AND/OR ABLATING - Systems for ablating tissue can include a pair of electrode assemblies. The electrode assemblies can automatically align on opposing sides of operative tissue due to magnetic interaction. One assembly can move automatically in response to the other assembly due to the magnetic interaction. Some systems are capable of cooling the electrode assemblies during ablation procedures. | 05-22-2014 |
Patent application number | Description | Published |
20130296653 | APPARATUS, SYSTEMS, AND METHODS FOR ACCESSING THE AIRWAY WITH MEDICAL INSTRUMENTS WITHOUT INTERRUPTION OF ASSISTED RESPIRATION - Systems for use in assisted respiration can permit insertion of one or more elongated medical instruments into the proximal and/or distal airway of a patient during administration of assisted respiration, which may, in some instances, proceed with a patient awake or only minimally sedated. In some systems, a bite block is coupled with a mask and is movable relative to the mask such that the system is capable of accommodating differing patient anatomies. | 11-07-2013 |
20140358087 | DEVICES FOR CREATION OF MULTIPLE VASCULAR ACCESS SITES - Various medical procedures benefit from the creation of multiple access sites in a single anatomical vessel. For example, in some cardiac procedures, a plurality of catheters may be introduced into a single blood vessel through a corresponding plurality of access sites. The present application discloses devices for creating multiple access sites in a vessel and methods of using the same. | 12-04-2014 |
20140364833 | FETAL BLOOD RECOVERY SYSTEMS AND METHODS - Methods and devices can be used to harvest fetal blood from a placenta. In some instances, the blood is used in laboratory testing so that no such blood is drawn from an infant for such testing. In other or further instances, harvested blood can be used in an autologous transfusion. Such procedures can eliminate the drawing of any blood directly from the neonate. | 12-11-2014 |