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| Number | Title | Issue Date |
| 5626131 | Method for intermittent gas-insufflation An intermittent gas-insufflation apparatus insufflates a quantity of the gaseous fluid into an entrance of a respiratory system of a breathing patient during an exhalation interval of an immediate breathing cycle and into a subsequent inhalation interval ... | 05/06/1997 |
| 5596983 | Apparatus for oxygenating a patient An apparatus is provided for oxygenating a patient, comprising an oxygen supply means with an oxygen applicator for supplying oxygen via the nose, the oxygen applicator being a closed system, with the applicator affixable about the nose in a tightly-seala... | 01/28/1997 |
| 5560354 | Facial masks for assisted respiration or CPAP A combination mouth and nasal mask (40) for assisted respiration or CPAP is disclosed. The combination mask (40) has a frame (42) to the rear side of which is mounted a separate nasal cushion (44) and mouth cushion (46). Both the nasal cushion (44) and th... | 10/01/1996 |
| 5526806 | Non-invasive nasal cannula An improved non-invasive nasal cannula having an enlarged orifice for delivering a stream of oxygen to a patient's nasal passages. The cannula structure has means for directing substantially the entire stream of oxygen toward the patient's nasal passages ... | 06/18/1996 |
| 5425359 | Nose plug structure with filter A nose plug structure incorporating a filter is provided. The nose plug is integrally formed with a connecting piece and a pair of hollow columns formed on opposing sides of the connecting piece. In the middle of the connecting piece, a soft cover piece i... | 06/20/1995 |
| 5392773 | Respiratory particulate filter A respiratory particulate filter removably adheres to the lower surfaces of the user's nose with a fine mesh filtering material covering the nostrils. The adhesive section has distal, medial, and proximal adhesive tabs which secure and seal the filter whi... | 02/28/1995 |
| 5271391 | Apparatus for delivering a continuous positive airway pressure to an infant A method of and apparatus for delivering a continuous positive airway pressure to an infant by the use of a light-weight, flexible nasal cannula. The nasal cannula is connected to a source of positive air flow by a pair of flexible hoses. The soft nasal o... | 12/21/1993 |
| 5267557 | Nose mask with a filtering device This invention relates to a nose mask with a filtering device and in particular to one including a resilient clamp adapted to be worn on a head of an user, a mask adapted to a nose of an user and having an inlet pipe and an exhaust pipe, and a filter conn... | 12/07/1993 |
| 5259373 | Inspiratory airway pressure system controlled by the detection and analysis of patient airway sounds An apparatus and method for facilitating the respiration of a patient detects patient airway sounds and resolves these sounds into audio component bands whereupon an analysis is performed to produce a trend value. In response, a pressure action is determi... | 11/09/1993 |
| 5245995 | Device and method for monitoring breathing during sleep, control of CPAP treatment, and preventing of apnea A CPAP apparatus including: a variable pressured air source and means to vary the air pressure delivered therefrom; a nose piece for sealed air communication with a patient's respiratory system; an air communication line from the air source to the nose pi... | 09/21/1993 |
| 5243971 | Nasal mask for CPAP having ballooning/moulding seal with wearer's nose and facial contours A nasal mask which is suitable for use in a continuous positive airway pressure system. The mask has a face contacting portion mounted to a shell which is sized and shaped to overfit the nose region of an intended wearer, and the face contacting portion i... | 09/14/1993 |
| 5159938 | Eye shield This invention is a protective eye shield that indexes to an inhalation gas providing nose hood and the hood's hoses to provide secure eye protection to a patient wearing such a hood during the performance of dental procedures. The shield further indexes ... | 11/03/1992 |
| 5097827 | Holder for medical tubing A medical tube holder for attachment to a patient's nose septum for holding medical tubing inserted into the patient's nose. The tube holder includes opposite upstanding clamp arms defining an acute included angle therebetween for insertion into the nostr... | 03/24/1992 |
| 4944310 | Device for treating snoring sickness A device which may be used in the treatment of snoring sickness. An air blower supplies high volume air at slightly greater than atmospheric pressure to a flexible tube (2). Such air is communicated via tube (2) through nose piece (3), further through fle... | 07/31/1990 |
| 4846170 | Gas delivery apparatus protection device A gas delivery apparatus protection device that is used in combination with gas delivery systems. The gas delivery apparatus protection device is permeable to inhalation gases, but reduces the possibility of the transfer of undesirable agents from one use... | 07/11/1989 |
| 4803981 | Anaesthesia mask A mask for relative analgesia and anaesthesia is moulded from polymeric foam and fits over the nose of the patient, with lateral ports for inlet and outlet of gases. The periphery of the mask has a lower region which bears upon the base of the upper lip, ... | 02/14/1989 |
| 4770169 | Anaesthetic mask The present invention provides an improved anaesthetic scavenging face mask having a scavenging channel running along the perimeter of the mask. The mask is provided with an anaesthetic gas inlet and a vacuum outlet. The scavenging channel is connected to... | 09/13/1988 |
| 4655213 | Method and apparatus for the treatment of obstructive sleep apnea A nose mask assembly for the treatment of obstructive sleep apnea which is comprised of a nose mask adapted to be sealed over the nose of a patient, an inlet for supplying a continuous positive pressure of air to the mask and a threshold valve to release ... | 04/07/1987 |
| 4643183 | Apparatus for producing hot air for inhalations Apparatus for producing hot air for inhalations at stabilized pressure and temperature, comprising a source delivering air at a constant pressure, an electric resistor in contact with that air under pressure, an intermediate chamber receiving all of the h... | 02/17/1987 |
| 4610247 | Cold weather breathing apparatus An air heater ski mask having apparatus to preheat incoming air. The ski mask comprises a cold weather protective hood adapted to fit over the wearer's head, and having eye and mouth openings. The breathing apparatus fits within the hood and is configured... | 09/09/1986 |
| 4546768 | Inhalation apparatus for animals An animal inhalation apparatus includes a mask which is directly fastened to a vaporizer. The baglike mask has a portion of its surface disposed in the mouth of a horse and is secured by a tightening belt so that the horse is prevented from opening its mo... | 10/15/1985 |
| 4454880 | Nasal hood with open-bottom mixing chamber An oxygen supply, hood for administering oxygen to a patient, departs from the enclosed masks and enlarged, open face shields, of the prior art by being formed as a unitary shell with a central dome, forming an open bottom, mixing chamber extending outwar... | 06/19/1984 |
| 4412537 | Fresh air breathing mask with exterior heat exchanger A typical embodiment of the invention provides a sturdy, lightweight, inexpensive and comfortable warmer for fresh breathing air. An heat exchanger that is sufficiently flexible to conform with the shape of a wearer's scalp is secured to the wearer's head... | 11/01/1983 |
| 4377162 | Facial protective device, and methods of constructing and utilizing same A facial protective device for use in surgery and examination, adapted to extend outwardly from the base of the nose and be removably fixed in position by adhesive. The device and its adhesive adequately support surgical draping in a manner such as to ens... | 03/22/1983 |
| 4354488 | Nose mask gas delivery device A nose mask for administering one or more gases such as oxygen to a human being comprises, in combination, (I) a shell having a front portion, a rear portion and a first opening comprising substantially the entire horizontal area beneath the wearer's nose... | 10/19/1982 |
| 4328797 | Naso-gastric oxygen mask A mask for delivery of gas, such as oxygen, to a patient and useable in a naso-gastric intubation procedure without disruption of the seal between the mask and the face of the patient. The body of the mask includes a fenestration or opening through which ... | 05/11/1982 |
| 4310307 | Dental audio and gaseous analgesia applicator Apparatus is provided for attachment to the headrest of a dental chair which incorporates audio speakers connected to a suitable audio source and tube means conveying nitrous oxide or other analgesic gas to a nosepiece positioned on the patient whereby th... | 01/12/1982 |
| 4266540 | Nasal oxygen therapy mask An oxygen mask which covers only a patient's nose is attached to the patient by a flexible strap. A clip is attached to the outer surface of the mask to hold the portion of the mask firmly in place relative to the bridge of the patient's nose. An exhaust ... | 05/12/1981 |
| 4265239 | Gas scavenging exhaust system A system utilizing the central vacuum system in the dental operatory to exhaust analgesic or anesthetic gas from a gas administration assembly. The system includes a nosepiece fitting over the nose of a patient, an exhaust assembly for removing exhaled ga... | 05/05/1981 |
| 4219020 | Scavenger valve attachment for inhalation sedation system mask A mask mounted scavenging valve attachment to scavenge gas emitting from an inhalation sedation system to the ambient environment.... | 08/26/1980 |
| 4216769 | Bi-flow nasal cup A bi-flow nasal inhalation cup for mixing oxygen and ambient air includes a crescent shaped cup member or open top receptacle having a recessed pocket in a downwardly sloping collecting floor. A curved inner wall extends above and below a cup floor inner ... | 08/12/1980 |
