Matches 51 - 100 out of 121 < 1 2 3 >
Match Document Document Title
5666950 Filter device for a tracheostoma  
A device for filtering air that is to be breathed through a tracheostoma, to simulate the role of the nose particularly in patients who have received a tracheostomy comprises a filter (20). The...
5662161 Breathing gas cooling and heating device  
A breathing gas cooling and heating device. Warm breathing gas enters the it which consists of a heat exchanger mounted in an insulated shell and runs through the heat exchanger tubes. These tubes...
5647344 Heat and moisture exchangers  
An HME has an exchange element comprising a bundle of hollow fibers parallel to the direction of gas flow through the HME. The fibers are of a polymeric material, such as a sulphone, and are...
5617913 Elastomer bed for heating and moisturizing respiratory gases  
A high performance, low cost, regenerator/heat enthalpy exchanger matrix or bed. The bed consist of a matrix of tensioned sheets with flow channels therethrough. The matrix is of the parallel plate...
5595174 Nasal adaptor, mask, and method  
A nasal adapter and relatively fixed tube in which the inserts penetrate the nostrils, and a fixed tube diverts the inhaled and exhaled air laterally at a generally 90° angle to the angle of...
5595173 Rehumidification filter for ventilation mask  
A compact, light-weight, disposable, and quick-fit rehumidification filter device adapted to fit flight-masks which deliver pressurized respiratory fluids to a human. The preferred embodiment is...
5592933 Hygroscopic cartridge particularly for filters for medical use  
The hygroscopic cartridge (1) particularly for filters for medical use, has a band-like element (2) which is wound to form a flat bobbin (7). The band-like element (2) has a first band (3), formed...
5590644 Heat and moisture exchanger for breathing  
A heat and moisture exchanger (HME) media disk and associated virus and bacteria filter disk are placed in a housing of two clear plastic shells ultrasonically welded together and having ports at...
5577494 Superabsorbent fiber compositions demonstrating efficient retention of exhaled heat and moisture  
A heat and moisture exchange media and device is provided from structural matrix fibers and superabsorbent fibers.
5546930 Patient connector with HME, filter, and nebulizer connection  
Patient connection apparatus is disclosed for connecting a patient to a respirator or anesthesia machine. The patient connection apparatus includes a nipple for providing an inhalation-exhalation...
5511541 Warm air mask  
A warm air mask comprising a facial covering configured to form an upper edge positionable above the nose of a wearer, a lower edge positionable beneath the chin of a wearer, and side edges...
5462048 Heat and moisture exchanger  
A heat and moisture exchanger, which is intended to be connected to a patient to humidify and warm the air inhaled by him, comprises a heat and moisture exchanger unit which includes a plurality of...
5460172 Moisture and heat exchanging unit for a respiration device  
A moisture and heat exchanging unit for a respiration device such as a tracheal tube or tracheotomy canula, is described comprising a housing holding therein a moisture and heat exchanging body...
5438978 Device for enhancing moisture content of inspired air in a closed respiratory system  
A hollow, elongated shaft (20) containing a layer of porous material (30) that is capable of retaining moisture is designed to fit within the airway (13) of the mouthpiece (11) of a closed...
5435298 Device for compensating for the moisture and heat losses from an artificial nose  
A device for compensating for the moisture and heat losses from an artificial nose used with a patient, which device is provided to be incorporated in the duct for supplying air and/or gasses to a...
5435299 Respiratory mask  
A respiratory mask for use in relatively cold environments configured to fit over the nose and mouth of the wearer. The mask is constructed of an insulating material with a flow-through opening...
5433192 Breathing mask having a cellulose heat and moisture exchanger formed therein  
The invention relates to a breathing mask comprising a mask portion (1) covering the mouth and nose of the wearer and a heat exchanger portion (2) made of a material capable of recovering heat and...
5383447 Device for warming and moistening gases having both an active and passive heat exchanger.  
A device for heating and moistening respiratory gases with a small volume of dead space which is especially suitable for giving artificial respiration to premature and newborn infants and children....
5357947 Face mask  
An improved respiratory face mask is provided for filtering inhaled and exhaled air, while discharging exhaled gases in a manner reducing undesired re-inhalation, and reducing capture and retention...
5320096 Filtering device and the use thereof  
A filtering device for connection to the respiratory tract of a person and comprising a cover (1) enclosing a heat and moisture exchanging material and a bacteria absorbing filter which consists of...
5311861 Breathing apparatus  
The breathing apparatus disclosed includes a first connector structure which provides ports for connection to a supply of fresh breathing gases, to an afferent gas tube and to an afferent gas bag....
5259378 Phonation device for tracheotomy patients including a check valve and filtering means  
A phonation and respiratory aid device for a tracheotomy patient comprising a tracheotomy cannula, a non-return valve for permitting inhalation flow only, the valve being distorted both axially and...
5063923 Cold weather garment with respiration means  
A process is proposed for heat recovery with possible recovery and use of humidity yielded directly or indirectly by the human body and in particular to heat air to be breathed in the first case or...
5058211 Bandanna-type article of wearing apparel  
A bandanna-type article of wearing apparel is fabricated from an integral piece of fabric folded in a manner to have forward and back panels of substantially triangular shape and an intervening...
5035236 Filtration device for respiratory gasses with heat and moisture exchange  
A heat and moisture exchanger for use in medico-surgical applications has an element formed by a strip of bacterial filter material that is folded laterally into pleats and bent into a loop so that...
5029572 Body warming device  
The present invention provides a body warming device comprising a breathing tube extending to a body fitting member to be worn under a overcoat. The body fitting member receives relatively warm air...
5014355 Disposable environmental control suit  
A disposable environmentally controlled suit. The suit includes a coverall made of an inexpensive material which is relatively non-permeable to air. Elastic closures are provided at the neck and...
5010594 Dampening mask for use in aircraft  
A dampening mask for use in aircraft, includes a mask body to be worn in a manner in which it is placed in front of the nose of the wearer to cover at least the nose, and forming a small space...
5007114 Humidity-retaining mask  
A humidity-retaining mask includes a foldable mask body made of humidity-absorbing sheet material which is folded into a honeycomb structure when the mask is used. The mask body has a recessed...
4998529 Decompression and toxic fume protection apparatus  
Decompression and toxic fume protection apparatus comprising an inner chamber adapted to surround the head of the wearer, an inflatable and concentric outer chamber, a gas reservoir, means for...
4829997 Portable heat exchanger for inhalation rewarming  
A heat exchanger, particularly useful as an inhalation rewarming apparatus for the treatment of hypothermia is provided herein. It includes an insulated container having one or more air inlets...
4787105 Sleeping bag with snorkel hood and draft curtain  
A sleeping bag has upper and lower portions, an access opening in the upper portion, and a breathing opening in the upper portion adjacent one end of the bag. Overlying and spaced from the...
4771770 Moisture and heat exchange device for an oxygen self-contained breathing apparatus  
A moisture and heat exchange device for a regeneration type oxygen self-cained breathing apparatus comprises a casing having pipes of which one pipe is connected to a facepiece of the apparatus and...
4705033 Humidification face mask  
The invention is a humidification face mask 10 comprising a closed container 12 having side walls 20 and first and second end walls 14 and 16. The first wall 14 incorporates an aperture 30...
4683869 Breath transfer device  
A breath transfer device which uses the heat of exhaled air to warm the body of the wearer of the device in cold environments, and which facilitates condensation of moisture in the device to...
4671268 Cold weather breathing mask  
A cold weather breathing device which heats and humidifies air to be breathed. A face mask which covers the mouth and nose includes intake and exhaust ports each equipped with a one way valve. An...
4620537 Cold weather face mask  
Described briefly, according to a typical embodiment of the present invention, a breathing mask is provided which has the intake air heater and heat and moisture exchange media located below the...
4516573 Device for connecting a respirator or anesthesia machine to a patient  
A device for connecting a respirator or an anesthesia machine to a patient comprises a hose (1) which is flexible along substantially its whole length, and one end (1a) of which is formed in a...
4491130 Emergency respirator  
An emergency respirator for rapid use by a person comprises a container having a cartridge for material which acts to bind carbon dioxide and to liberate oxygen to gases which pass therethrough. A...
4478215 Breathing device  
A device for use by runners, joggers and the like for preheating and/or limiting the volume of air entering the user's lungs through the mouth. The device is constructed such that it is retained at...
4473071 Combination heat exchanger breathing aid and muffler  
A breathing device which provides for heat exchange relationship between exhaled air, body heat and inhaled air is the subject of the present invention. A mask is utilized to cover the mouth and...
4458679 Cold weather respiratory mask  
A mask for use in severe arid climates which includes a countercurrent exchange medium, confined within a mask shell, which salvages heat and moisture given off during exhalation for subsequent...
4356820 Heat reclaimer for demand regulator  
A demand regulator for use in breathing apparatus including a housing, a diaphragm in the housing separating the interior into a first chamber in communication with the ambient and a second...
4327717 Humidity exchanger for a breathing apparatus  
The humidity exchanger for a breathing apparatus and a conduit for the passage of inspiration and expiration air comprises a housing having an opening at each end and with a bundle of fiber tubules...
4325364 Training breathing apparatus  
To simulate the experience of breathing hot or warm air in the use of breathing apparatus, this invention provides an apparatus comprising a canister through which the wearer inhales and exhales,...
4325365 Athlete's breathing apparatus  
A breathing apparatus for athletes to warm and moisturize inhaled air has an elongate housing having both lateral and downward curvatures with respect to the position of the apparatus when...
4294242 Survival system  
A passive survival suit for enabling a diver in a confined bell to maintain body temperature for at least a minimum interval in the event of failure of external thermal sources uses a combination...
4273119 Breathing mask for horses  
A feed bag-like breathing mask for fitting over the forward end of a horse's head, comprises a frame and a bag-like cover carried upon and shaped to closely fit over the frame. The frame is formed...
4201206 Heat receiver for divers  
A heat receiver is provided comprising a housing through which the breathing mixture passes in one direction and through which the exhaled breath passes in the opposite direction. The housing...
4200094 Apparatus for warming and moistening a respiration gas  
In the illustrated embodiment, the moisture reservoir comprises a tube of gas-permeable, hygroscopic material. The exhalation flow path is into a blind axial bore of a spool like member having a...
Matches 51 - 100 out of 121 < 1 2 3 >