The invention relates to an installation (100) for supplying a gas mixture containing NO to a patient, comprising an NO delivery apparatus (1) and a medical ventilator (50), an NO injection device (24), a flow rate measurement device (25) and a gas sampling module (61). The medical ventilator (50) is an anaesthesia ventilator (150) comprising a gas outlet (151) to which the flow rate measurement device (25) is connected. The NO injection device (24) is arranged downstream of the flow rate measurement device (25), and the gas sampling module (61) is arranged downstream of the NO injection device (24), at a distance (D) of at least 30 cm.
The invention relates to an apparatus (1) for delivering NO-containing gas, comprising an internal gas circuit (200) with flowrate control means (220, 230, 240) for controlling the flow of gas, in particular a proportional solenoid valve (220) and a flowrate measurement device (230). Operating means (210) cooperate with the flowrate control means (220, 230, 240) to authorize, prohibit or adjust the flowrate of gas within the gas circuit (200). The flowrate measurement device (230) comprises a bidirectional flowrate sensor configured to perform positive and negative flowrate measurements of the NO-containing gas flow circulating in the gas circuit (200), and to supply said flowrate measurements to the operating means (210). Installation (100) for supplying NO-containing gas, comprising such an NO delivery apparatus (1).
The invention relates to an installation (100) for supplying an NO-containing gas mixture to a patient, comprising NO containers (10.1, 10.1) containing an NO-containing gas at a given pressure, and an NO delivery apparatus (1) for supplying the NO-containing gas, comprising control means (210), a gas circuit (200) with circuit sections (201, 202) comprising gas inlets (201.1, 202.1) for fluidically connecting the containers (10.1, 10.2) thereto, and also pressure-measuring means (251, 252) for measuring the pressure there, and valve means (222.1, 222.2) controlled by the control means (210) in order to control the flow of gas within the circuit sections (201, 202). The control means (210) control the valve means (222.1, 222.2) in order to authorize circulation of gas in one of the sections (201, 202) and simultaneously to prohibit all circulation of gas in the other of the sections (201, 202) as long as the measured pressure (P) is greater than or equal to a given threshold pressure, then to switch from one section to the other when the pressure falls below the given threshold pressure. Preferably, a step is provided for purging the section receiving the gas before switching to said section.
The invention relates to an apparatus (1) for delivering NO-containing gas, comprising means for setting a dose of NO (50, 51) to make it possible to set a first dose of NO, and operating means (210) with a microprocessor (211), for determining on the basis of the first dose of NO set, first upper and lower alarm thresholds corresponding to first maximum and minimum NO contents. Means for modifying a dose of NO (50, 51) making it possible to modify or adjust the first dose of NO so as to obtain or fix a second dose of NO that is different to the first dose of NO. The operating means (210) are configured to automatically determine, on the basis of the second dose of NO, second upper and lower NO alarm thresholds that are different to the first upper and lower NO alarm thresholds. Installation (100) for supplying NO-containing gas, comprising such an NO delivery apparatus (1).
The invention concerns an installation (100) to supply a gaseous mixture containing NO comprising an NO supply apparatus (1) connected to a respiratory circuit (20; 21) with an injection device (24) and a flow sensor (25) in order to measure the flow of respiratory gas. The NO supply apparatus (1) comprises a gas circuit (200) with flow control means (220, 221) in order to control the flow of gas in the internal gas circuit (200), and control means (210) in order to determine a set gas flow containing NO, and to control the flow control means (220, 221); and storage means (212) in order to store successive set flows. In the case of interruption of transmission of the flow measurements carried out by the flow sensor (25), the control means (210) control the flow control means (220, 221) in order to supply the gas to an emergency flow calculated from stored set flows.
The invention relates to a system (S) for remote monitoring of an NO supply apparatus (1) used to treat patients with an NO-containing gas, comprising means for storing operating data of the apparatus (1) collected during use of the apparatus (1) during successive patient treatments over a given period of time (Dt). The operating data include alarms of different types that are triggered during the period of time in question. A remote server (200) processes the stored operating data and retrieves therefrom information relating to the patient treatments that have been performed and to the operating events that have occurred during said patient treatments. A graphic display (300) displays various items of information relating to the alarms triggered.
The invention relates to an NO delivery apparatus (1) for supplying an NO-containing gas, comprising an NO injection line (111) with a normally closed valve device (113), and a flow rate measurement device (112); an emergency circuit (200) comprising an emergency line (201) connected to the injection line (111), with a normally open emergency solenoid valve (202); and operating means (130). In the event of malfunction of the operating means (130), the flow rate control device (210) supplies the gas at a pre-fixed emergency flow rate of gas that has been determined prior to said malfunction. A multi-way solenoid valve (205) is arranged downstream of the flow rate control device (210) and supplies dosing lines (206, 207) having a calibrated orifice device (208, 209). Installation (1, 2) for supplying gas to a patient and comprising such an apparatus (1).
The invention relates to an apparatus (1) for supplying an NO-containing gas, comprising at least one internal passage (6) with valve means (7) for conveying a flow of NO-containing gas; a graphic display (4), and control means (8) with a microprocessor (9) cooperating at least with the valve means (7) in order to control the supply of gas. Storage means (70) are provided for storing a pre-set non-zero dose of NO (NOmém). The control means (8) control a default display (at 71), on the graphic display (4), of the pre-set starting dose of NO (NOmém) that has been stored.
The invention relates to an NO delivery apparatus (1) having a main gas circuit for conveying an NO-containing gas, in particular an NO/N2 mixture, an analysis line (110) comprising NO/NO2 measuring device(s) (120, 121) configured to perform NO and/or NO2 concentration measurements within said analysis line (110), and a controller (15) connected to said NO/NO2 measuring device (120, 121) and configured to process the NO and/or NO2 concentration measurements performed by said NO/NO2 measuring device (120, 121). In addition, the analysis line (110) comprises piezoelectric suction device (141) controlled by the controller (15).
The invention relates to a mobile trolley (1) comprising a baseplate (2), several castors (3), a support structure (4) projecting upwards from the baseplate (2), and at least one securing device (30) arranged on the support structure (4) for securing one or more gas cylinders (50) to the support structure (4). Each securing device (30) comprises a first strap element (31) comprising a free first end (31.1), and a second strap element (32) comprising a connecting device (20), these elements becoming secured to one another when the free first end (31.1) of the first strap element (31) is collaborating with the connecting device (20) of the second strap element (32). The strap elements (31, 32) are made of semirigid polymer. Use of such a trolley (1) for transporting one or more gas cylinders containing an NO/N2 mixture and/or oxygen.
B62B 3/10 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor characterised by supports specially adapted to objects of definite shape
11.
APPARATUS FOR DELIVERING GASEOUS NITRIC OXIDE IN PROPORTIONAL OR PULSED MODE
The invention relates to an apparatus for supplying NO (1), such as an NO/N2 gaseous mixture, comprising a main gas circuit (40; 40.1, 40.2) with flow rate control means (42, 43) comprising at least one main solenoid valve (42) operated by the operating means (50) in order to control the flow rate of NO/N2 mixture passing through said at least one main solenoid valve (42). The main solenoid valve (42) is a proportional solenoid valve having degrees of opening of between 0 and 100%, and is configured to function in at least two given operating ranges corresponding to different degrees of opening of the main solenoid valve (42). The operating means (50) are configured to control the main solenoid valve (42) in pulsed mode in one of the operating ranges so as to deliver successive gas pulses (IG) and in proportional mode in another operating range.
The invention relates to a calibration device (2) for calibrating the measuring means (120-122) of an NO delivery apparatus (1), comprising a gas intake line (22) comprising, arranged in series, a valve, preferably manual (23) and actuatable by a user, for controlling the circulation of gas in the gas intake line (22); a precision regulator (24) configured to deliver a predefined fixed pressure in the gas intake line (22); a calibrated orifice device (25), and a venturi device (26). The measuring means of the NO delivery apparatus comprise an NO sensor, an NO2 sensor and an O2 sensor.
The invention relates to a device (1) for supplying therapeutic gas, in particular NO/N2 mixtures, comprising an internal passage (2), valve means (5), control means (6) with microprocessor, and selection means (8), which can be actuated by a user and are configured to allow the user to start a supply of gas or stop a supply of gas. The selection means (8) supply the control means (6) with a command signal corresponding to the choice made by the user, in order to control, via the valve means (5), the flow of gas in the internal passage (2), i.e. to authorize or stop any flow of gas. The control means (6) count a total duration of actual supply of gas equal to the sum of all the time periods elapsing between a choice, made by the user, of starting a supply of gas and a choice, made by the user, of stopping a supply of gas. Installation for administering gas to a patient, which includes such a gas supply apparatus.
The invention relates to a medical apparatus (1) for supplying gas, such as gaseous NO, comprising a shell (2) and a device (10), arranged on said shell (2), for fixing the latter to an elongate support (S). The fixing device (10) comprises a clamp body (12) and a clamp element (13) movable by pivoting (XX) relative to each other, which are configured as a first jaw (15) and a second jaw (16) forming a clamp. A rotary manipulation member (11), which can be actuated in rotation, allows the jaws (15, 16) to be moved towards or away from each other. It comprises a head (11.1) intended to be grasped manually by the user, and an actuation rod (11.2) with a threaded portion (11.4) cooperating with an internally threaded actuation part in order to move the jaws (15, 16) towards or away from each other. A torque-limiting system (20) is arranged in the head (11.1) of the rotary manipulation member (11). It comprises a stack of spring washers (21) cooperating with a pressure washer (24).
An installation for supplying gas to a patient, comprises an NO delivery device, an NO injection line with a valve device, a backup line that connects to the injection line and comprises a backup solenoid valve and a flow rate control device, and control means; and a medical ventilator that supplies a respiratory gas to a patient circuit to which the NO delivery device is connected. A flow rate sensor supplies the control means with a measurement signal of the gas flow rate in the patient circuit. In the event of interruption of reception of the measurement signal, the backup solenoid valve switches to an open position, the valve device switches to a closed position and the flow rate control device supplies the NO/N2 mixture at a pre-regulated backup flow rate, determined on the basis of the measurement signal supplied by the flow rate sensor, before said interruption.
The invention relates to an NO supply device (1) comprising an internal passage for conveying a gaseous mixture NO/N2; valve means; control means; dose selection means; memory storage means for storing the dose of NO to be administered; means (120) for starting treatment, and means for stopping treatment in order to pause or definitively discontinue a treatment by NO; and a graphic display (10) for displaying the NO dose before the commencement of the treatment or during the treatment by NO. The graphic display is further configured to continue to display the NO dose administered (110) to the patient, during a downtime (dt) in which the treatment by NO is interrupted temporarily.
Disclosed is an NO supply device including a main gas circuit with NO/N2 flowrate controller controlled by piloting unit, and a backup circuit including a backup NO circuit and a backup O2 circuit. The piloting unit are configured in particular to control the NO/N2 flowrate controller in such a way as to regulate the flowrate of NO/N2 mixture in the main gas circuit and to direct the gaseous flow obtained in a downstream portion of the backup NO circuit connecting to the backup O2 circuit in order to form a common backup line including a backup outlet.
Disclosed is an NO supply device including a main gas circuit to convey an NO/N2 mixture to a main output orifice which is designed to supply the inspiratory branch of a medical ventilator; and a backup circuit including a backup NO circuit including a backup NO line which is supplied with NO/N2 mixture, and a backup O2 circuit includes a main O2 line which is connected fluidically to the backup NO line in order to form a common line in fluid communication with a secondary output which supplies an NO/N2/O2 mixture designed to supply a manual breathing bag.
Disclosed is a cartridge for storing pressurized gas, including a main body with an internal volume for storing a gaseous mixture NO/N2, and a distribution valve for controlling the output of the gas. The internal volume of the main body is less than 1000 ml. The concentration of NO in the gaseous mixture NO/N2 is between 15000 and 25000 ppmv. The gas pressure in the internal volume is below 15 bar, measured at 23° C. Installation for delivering gas to a patient, including such a gas cartridge, a NO supply device fed by the gas cartridge, and a medical ventilator feeding a patient circuit which has an inhalation branch fed by the NO supply device. Use for treating patients suffering from pulmonary hypertension or hypoxia.
F17C 1/14 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminiumPressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of non-magnetic steel
A61M 16/10 - Preparation of respiratory gases or vapours
Disclosed is an NO delivery device for supplying an NO-containing gas, including an NO injection line, a flow rate measurement device and a valve device. The valve device is normally closed. An emergency line connected to the injection line includes an emergency solenoid valve, which is normally open, and a flow rate control device. An operating unit operates these elements. In the event of malfunction of the operating unit, the emergency solenoid valve passes to an open position, whilst the valve device passes to a closed position. The flow rate control device supplies the gas at a pre-fixed emergency flow rate of gas, determined on the basis of the gas flow rate measurements supplied by the flow rate measurement device during the normal functioning of the device prior to the malfunction. Gas supply installation including such an NO delivery device and a medical ventilator.
Disclosed is a mobile cart including a base for accommodating one or more gas cylinders, castors, a main column extending upwards from the base, a stowage cabinet arranged along the main column, an anchoring structure arranged at an upper end of the main column, a support post carried by the anchoring structure and equipped with fixing unit for a gas delivery apparatus, and a manual gripping handle allowing a user to manipulate the cart. Use of such a mobile cart to transport one or more cylinders of gas, in particular a NO/N2 mixture and/or oxygen, and a gas delivery apparatus.
B62B 3/10 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor characterised by supports specially adapted to objects of definite shape
B62B 3/04 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor involving means for grappling or securing in place objects to be carriedLoad handling equipment
B62B 5/00 - Accessories or details specially adapted for hand carts
B62B 5/06 - Hand moving equipment, e.g. handle bars
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
41 - Education, entertainment, sporting and cultural services
Goods & Services
Scientific, measuring and checking apparatus and instruments
for medical gas supply and distribution; flow and pressure
regulators for medical gases; flowmeters for medical gases;
pressure gauges for medical gases; pressure indicators for
medical gases; software and applications for mobile devices
for managing and controlling ventilators for medical use;
software intended for use as an application programming
interface (API) for medical respiratory assistance
apparatus; security alarms for medical respiratory
assistance apparatus; external batteries for medical
respiratory assistance apparatus. Medical apparatus; medical devices; medical instruments;
medical apparatus, devices and instruments for administering
gases for respiratory assistance; medical apparatus, devices
and instruments for monitoring the dosage of medical gases;
ventilators for medical use; respirator filters for medical
use; anesthetic apparatus; medical devices, namely, carts
specially adapted for medical equipment and medical gas
cylinders; masks for medical use; medical apparatus, devices
and instruments in the fields of neonatology, cardiac
resuscitation and cardiac surgery; medical devices for
administering gases for respiratory assistance consisting of
a ventilator for medical use, a cart and medical gas
bottles. Education; training; publication of books, information,
magazines, posters, brochures, prospectuses, periodicals,
manuals, newspapers, newsletters, catalogs, all online or on
hardware; organization and conducting of colloquiums,
conferences or congresses; all the services listed in this
class in connection with the field of health.
An additive gas delivery apparatus for delivery of additive gas to inspirational gas can be set to deliver the additive gas according to a dosing setting in normal therapy, and can be set to deliver according to a backup dosing setting in response disruption of signals representing data for controlling the delivery of additive gas according to the dosing setting in normal therapy. An additive gas delivery apparatus has an inlet for the additive gas and an integrated inlet for gas for oxygenating the patient that are connected to a backup line to mix the additive gas and gas for oxygenating the patient to a set concentration of additive gas in the gas mixture at an integrated backup outlet of the additive gas delivery apparatus.
An additive gas delivery apparatus, system and method for delivery of additive gas, such as nitric oxide [NO], to a patient use a control computer configured to determine if a monitored parameter indicates that a patient is connected to the additive gas delivery apparatus, determine if the additive gas delivery apparatus is in a passive state in which it does not deliver additive gas, and activate an alarm if the additive gas delivery apparatus is in said passive state when the monitored parameter indicates that a patient is connected to the additive gas deliver apparatus. The alarm serves to notify the user of undesired non-delivery of additive gas, and so serves to improve safety in additive gas delivery systems.
