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WO/2000/045895A1 |
Mouthpiece (1), and speaker assemblies (8) for underwater speech using SCUBA and snorkel equipment. Mouthpiece (1) is characterized by a molded rubber or plastic mouthpiece having a connector (5) for use with a regulator (12) or a snorke...
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WO/2000/026082A1 |
A mouthpiece (20) for use with breathing devices of the type used by scuba divers is provided. The mouthpiece (20) includes at least one no return valve (40) to allow exhalation directly into the ambient environment. Additional no return...
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WO/2000/025615A1 |
A system for controlling the temperature, and relative humidity of the interior chamber of a respirator (10) is disclosed. In the embodiment preferred the system includes a body (12) configured to conform to the face of a user to form an...
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WO/2000/007651A1 |
A control member (10) for a valve (12). The valve (12) has an inlet (16), an outlet (18) and a primary flow path therebetween. The control member (10) is rotatable to alter a control flow area (24) of the primary flow path. The amount of...
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WO/2000/004956A1 |
The invention concerns an standby regulator comprising means for communicating a pressurised breathing mixture intake (12) with a tubing (14) designed to be connected inside a respirator, means (34, 32) for supplying diluting air to the ...
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WO/2000/004958A1 |
Air filter device comprising at least one filter element (20; 120) provided with means in the form of a mouthpiece (30; 230) allowing the user to grip and retain the device.
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WO1999056806A9 |
This invention is a system (10, 6) for flushing carbon dioxide from ventilation equipment so that the carbon dioxide is not re-breathed by the patient. Flushing is achieved by providing tracheal gas insufflation only during the end of a ...
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WO/1999/059676A1 |
The invention relates to a system for monitoring wearers of protective respiratory equipment and to a mobile unit and a base station for using in a system of this type. The aim of the invention is to reduce the risks to wearers of protec...
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WO/1999/055424A1 |
The invention relates to a valve unit (3) for compressed air ventilated protective clothing (1) with connecting breathing mask/breathing valve (10) for the carrier, with feeding of external as well as internal air, when appropriate, at 7...
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WO/1999/055423A1 |
The invention provides an in-line low supply pressure alarm device powered solely by supply flow of pressurised gas from a gas supply for providing an alarm signal when supply gas pressure is below a selected minimum pressure. The alarm ...
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WO/1999/053985A1 |
This invention is a disposable active humidifier used in conjunction with mechanical ventilation of a patient, having a cartridge (1) which forms a humidification chamber (2) which is delimited by an inlet (3), an outlet (4), and can be ...
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WO/1999/046006A1 |
A connector for attachment of a breathing tube to a respirator. The connector includes a first conduit and a transition conduit that form a connector body. A cantilevered snap latch extends from the connector body. A connector assembly i...
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WO/1999/036128A1 |
A portable apparatus for monitoring the consumption of a respiration gas, capable of analyzing and predicting a respiratory dynamics of a user of various types of respirators such as underwater respirators, and having a high measuring ac...
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WO/1999/029357A1 |
A dual cylinder manifold comprising a flexible, high pressure hose member (10) connected between a first (8; 56) and a second interconnector (9; 66) that funnels pressurized air from two cylinders (2, 3; 50, 51) containing pressurized ai...
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WO/1999/027999A1 |
A breathing mask for a helmet which reduces the formation of water on the lens of the eyeglasses of the wearer or on the shield of the helmet. The helmet comprises a head portion, a face portion, a see-through shield and a breathing mask...
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WO/1999/022818A1 |
A method of manufacturing a mouthpiece for a breathing apparatus comprises the steps of forming a mouthpiece blank with a dental impression, producing a mould (20) from the mouthpiece blank and then casting the mouthpiece from the mould ...
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WO/1999/013932A1 |
A ventilatory system (10) which may be operated in an invasive, and a non-invasive mode, is provided utilizing a graphical user interface (31) for presenting only those controlled parameters utilized for that specific mode of operation. ...
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WO/1999/013945A1 |
A gas regulator/valve device particularly for use in emergency escape breathing apparatus, and comprising a T-shaped regulator piston (10) which is movable in a stepped bore (11/12) and has a nylon seat (8) for closing a jet (7) which re...
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WO/1999/008751A1 |
The present invention is a pneumatic oxygen conserver (22) used with a single tube cannula (32). The conserver includes a body (40) having first and second cavities. A main diaphragm divides the first cavity into first and second chamber...
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WO/1999/004859A1 |
This invention is an improvement to a customized scuba diving mouthpiece (10) having a passageway forming front member (12) extending from a proximal in-mouth end (14) to a distal outside end (16), a U- shaped thermoformable back member ...
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WO/1998/058702A1 |
A flexible mouth seal (42) having a porous direct flow hygroscopic material (16) associated with a cold weather mask (10). The nose has free breathing and does not breathe in or out through the hygroscopic material (16). The cold weather...
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WO/1998/048900A1 |
An electronic display system for automatically calculating and displaying information relevant to 'at risk' activities involving the use of breathing apparatus comprises a board (1) having a plurality of slots (6) each including a plural...
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WO/1998/046177A1 |
A device (10) for improving the breathing of a user includes an upper arch (12) adapted to receive at least some of the user's upper teeth and a lower arch (14) adapted to receive at least some of the user's lower teeth. A hook (104) is ...
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WO/1998/043705A1 |
A self contained breathing apparatus (10, 130) includes a pressure vessel (12) which holds a supply of breathing air. The pressure vessel is in fluid communication through a first stage pressure regulator (22) with a second stage breathi...
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WO/1998/026830A1 |
The valve (14) comprises a housing (22) and a slider element (24) connected to a mask housing (26). During normal operation side ports (30, 34) are closed by element (24). The air flow to a patient must be sufficient to overcome the slig...
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WO/1998/024516A1 |
The invention aims at improving the safety of a gas-mask. Gas-sensors are integrated within the gas-mask, that are electronically evaluated, whereby the applicant is warned in an appropriate manner of harmful gases leaking into the mask.
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WO/1998/022053A1 |
A user friendly nasal band (10) and method are provided which lift up the tip of the nose, enlarge the nostrils and shorten the effective length of the nasal passageways. The light weight nasal band provides a comfortable sleep band and ...
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WO/1998/022186A1 |
A SCUBA mouthpiece (7), a valve body (5) having one end receiving a hose coupling (4) and one end receiving the mouthpiece, and a valve actuator (12) extending through the mouthpiece. Inward squeezing pressure by the diver's mouth opens ...
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WO/1998/011930A1 |
A pressure sensitive valve (20) for a positive pressure airway system (10) which allows bi-directional flow with low resistance. When positive pressure from the air generator (12) of the positive pressure airway system (10) is lost, a sp...
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WO/1998/004310A1 |
A nasal cushion (30) comprises a substantially triangularly shaped frame (32) from which extends a membrane (34). The frame (32) has a scalloped edge (36) by which the cushion (30) is affixed to a mask body. The membrane (34) has an aper...
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WO/1997/047348A1 |
A heated ventilation tube (1) having at least one heating wire (4, 5) embedded in a helical ridge (3) along the outer wall (2).
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WO/1997/046281A1 |
A breathing apparatus (1, 111) includes a regulator (10, 112) which delivers air to a user wearing a mask (14, 116). The regulator is connected to the mask through an adaptor (12, 114). The adaptor includes an exhalation valve (30, 136) ...
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WO/1997/045154A1 |
A self-contained breathing apparatus (200) for emergency response personnel has face mask (208) with a first port (214) connected by a hose (206) to a tank of compressed air. Back-up smoke inhalation protection is provided for imminent l...
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WO/1997/044093A1 |
A pressure reducing and filling valve combination for use in conjunction with gas bottles, particularly gas bottles that contain breathing gas under high pressure for use by underwater divers, firemen, etc. The valve includes a valve cha...
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WO/1997/042918A1 |
An epidermal lifting mechanism (10) comprising at least one strip of flexible material (50), first and second end portions (60), a middle portion (70), adhesive material (40), a plurality of resilient spring structures (20, 22, 24) exten...
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WO/1997/032622A1 |
This invention is a second stage scuba pressure regulator (10) having a valve seat (46) and a floating piston (19) that is free to travel axially within adjustable limits in relationship to the valve seat.
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WO/1997/030756A1 |
A system checks the operability of electrical-based components (10, 14, 17, 19) in a breathing equipment (16), such as a Self-Contained Breathing Apparatus (SCAB), for example. The system includes a microprocessor (7) which is communicat...
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WO/1997/030609A1 |
The present invention relates to a harness (1) for holding and supporting at least one gas pressure-container. The harness includes a backplate (2), pressure-container holding means on a first side of the backplate (2), and two elongated...
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WO/1997/030753A1 |
Breathing equipment intended for use in toxic atmospheres or under water, comprising a breathing mask (1) or like device, a breathing gas source (9) and conduit means (15, 16) for delivering gas from source to mask. The conduit means inc...
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WO/1997/025010A1 |
A device (10) for improving breathing is provided in which an upper arch (12) for receiving the user's upper teeth and a lower arch (14) for receiving the user's lower teeth are adjustably coupled by a connector (16). The connector (16) ...
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WO/1997/019726A2 |
The present invention provides a self-contained breathing apparatus ("SCBA") having a personal alert safety system ("PASS") fully integrated therewith. The PASS is structurally integrated with the SCBA such that it is protected from dama...
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WO/1997/018001A1 |
This invention is a heated corrugated (21) conduit (7) for use in a respiratory humidification system (5). A heater wire (20) within the conduit reduces the occurrence of condensation or "rain out". The heater wire is spirally wound in a...
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WO/1997/014463A1 |
An oxygen conserving device (10) includes an inlet (26) that communicates with a source of oxygen. An outlet (28) selectively receives a pulsed oxygen flow or continuous flow, depending on the mode of operation of the device. A lever (30...
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WO/1997/012175A1 |
A gas containment and supply apparatus is described consisting of a gas reservoir vessel (1) capable of pressurised gas containment fitted with a gas supply aperture (8) provided with supply means connectable to the gas supply aperture t...
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WO/1997/009556A1 |
A compressed gas release system including a compressed gas source (42), the gas within the source is released as a response to a combination of a predetermined threshold external pressure and a defined chemical environment. In particular...
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WO/1997/000809A1 |
In order to improve the stability and breaking resistance of a high-pressure container (1) that is useful in particular as a pressure gas bottle for respiratory or diving equipment, a supplementary support (3) that surrounds the bottle n...
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WO/1996/035911A1 |
A regenerator/heat enthalpy exchanger (200) bed (220). The bed (220) consists of a matrix (222) of high porous, parallel tensioned sheets (226) with flow channels therethrough. The bed is ideal for near room temperature regenerator appli...
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WO/1996/035467A1 |
The present invention relates to a method of introducing biologic materials into the conducting airways of the bronchial system. The invention involves the use of a liquid carrier or suspension for the biologic materials, delivered in re...
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WO/1996/029116A1 |
The present invention relates to a particular type of fan forced positive pressure breathing apparatus, commonly known as Powered Air-Purifying Respirators (PAPRs). In particular the invention concerns monitoring the operation of such eq...
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WO/1996/025980A1 |
Means are provided for connecting at least one breathing gas cylinder to a face mask or like device in breathing equipment of the kind used by firemen and divers, for instance. The means includes a three-way coupling (5) in which at leas...
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