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| Number | Title | Issue Date |
| 7114498 | Gas delivery, evacuation and respiratory monitoring system and method A gas delivery, evacuation and respiratory monitoring system comprises a face mask having an inflow flapper valve and a fresh-gas inflow tube and an exhaust-gas outflow tube and a gas sampling tube, a fresh gas source and an exhaust-gas scavenging system, a fresh ga... | 10/03/2006 |
| 6863067 | Device for exchange of gas volume A device for exchanging gas volumes in an anesthetic system has an inlet, an outlet, a first chamber arranged between the inlet and the outlet, a second chamber arranged between the inlet and the outlet, a switching valve for selective connection to the first chambe... | 03/08/2005 |
| 6805125 | Respiratory suction catherer apparatus An improved respiratory suction apparatus—catheter includes a manifold for attachment to the distal hub of an endotracheal tube to form a respiration circuit, a catheter tube which is displaceable through the manifold and into the endotracheal tube to suction secr... | 10/19/2004 |
| 6736140 | Exhalation evacuator An improved exhalation evacuator (15) having a mask (16) with an inhalation portion (18) and an exhalation portion (19), a delivery conduit (20) communicating with the mask, a return conduit (21) communicating with the mask,... | 05/18/2004 |
| 6679259 | Process for controlling a respirator A process and system are provided for controlling a respirator with a breathing circuit (2), an inspiration branch (10) and an expiration branch (12), in which the gas components needed for the respiration are fed in by a fresh gas metering device (20) vi... | 01/20/2004 |
| 6363931 | Anesthetic gas occluder An occluder for supporting and preventing escape of anesthesia gases through face masks when not in use includes a C-shaped support base. The base consists of a flat base plate adapted to fit beneath a surgical mattress, a side plate located in a plane no... | 04/02/2002 |
| 6308707 | Vacuum equipment for medical tables A vacuum system for medical tables, primarily comprises a universal arm, attached inhaler masks and a vacuum source. This equipment primarily places the inhaler masks at the sides of patient's mouth. Then, through the vacuum source, the mist surrounding t... | 10/30/2001 |
| 6263874 | Combined anesthetic and scavenger mask A combined nasal anaesthesia breathing mask and oral scavenging hood is provided herein. Such combination includes a nasal anaesthesia breathing mask with inlet means to the nasal anaesthesia mask for connection to a conventional anaesthesia breathing cir... | 07/24/2001 |
| 6227200 | Respiratory suction catheter apparatus An improved respiratory suction apparatus catheter includes a manifold for attachment to the distal hub of an endotracheal tube to form a ventilation circuit, a catheter tube which is displaceable through the manifold and into the endotracheal tube to suc... | 05/08/2001 |
| 6016444 | Automatic control of anesthesia using quantitative EEG A quantitative electroencephalograph (QEEG) based method and system for automatically controlling anesthesia is called a Closed Loop Anesthesia Controller (CLAC). An anesthetic is administered until the patient has attained the desired plane of anesthesia... | 01/18/2000 |
| 5890490 | Therapeutic gas flow monitoring system A therapeutic gas delivery device includes a monitor having an inlet and an outlet, a source of therapeutic gas in fluid communication with the monitor inlet, and a gas delivery tube in fluid communication with the monitor outlet. The monitor includes a c... | 04/06/1999 |
| 5715813 | Capture system for waste anesthetic gas A waste anesthesia capture system includes exhaust apparatus having a rate of fluid flow of at least five times the rate of anesthesia gas delivered to a patient, the exhaust apparatus having a capacity of at least ten cubic feet per minute. The system fu... | 02/10/1998 |
| 5636627 | Equipment and method for gas extraction in general anaesthesia Contaminated air in general anaesthesia is extracted via a hemispherical hood 1 located closely over the patient. The hood 1, which is of a thin-wall transparent-shell form, is mounted for hand-touch variation of its orientation on an arm 2 which is carri... | 06/10/1997 |
| 5630409 | Nebulizer and inhalation device containing same Improved nebulizers and aerosol inhalation devices including these nebulizers are provided by this invention. The disclosed nebulizers are suitable for supplying an aerosol mist to a patient and include a liquid inlet for receiving a liquid, a gas inlet f... | 05/20/1997 |
| 5611332 | Aerosol inhalation device containing a rain-off chamber Improved aerosol inhalation devices including a nebulizer and a rain-off chamber for returning droplets of liquid medication or diagnostics exhaled by the patient back to the nebulizer for reatomization.... | 03/18/1997 |
| 5603314 | Aerosol filtration device and inhalation apparatus containing same An improved filtration device suitable for reducing exhaled particles in an aerosol inhalation device. The filtration device includes a body portion having an interior chamber which communicates with an inlet and outlet opening through the chamber wall. W... | 02/18/1997 |
| 5577693 | Anesthesia circuit stand An anesthesia circuit stand is able to support an anesthesia circuit fitting, when not attached to a patient or to a patient airway securement device in such a manner that anesthesia vapor and nitrous oxide is prevented from escaping into the environment ... | 11/26/1996 |
| 5568910 | Anesthesia machine An anesthesia machine includes a breathing system for delivering a gas mixture, including an anesthetic gas, to a patient for inhalation and for collecting exhaled gas from the patient. A cannister flow communicates with the breathing system and removes c... | 10/29/1996 |
| 5520169 | Anesthesia arrangement for recovering gaseous anesthetic agents The invention is directed to an anesthesia arrangement having a pump device for returning preselected gaseous components from an expiration line 2 of the anesthesia apparatus 1 into a first pressure vessel 17. The anesthesia arrangement is so improved tha... | 05/28/1996 |
| 5513632 | Ventilation of medical gases A downdraft system is used for withdrawing and collecting medical gases, fumes, mists and particulates from the vicinity of a patient's face. Two intakes are located on respective sides of the patient's face, at the cheeks. The intakes extend from temple ... | 05/07/1996 |
| 5482033 | Anesthetic waste gas evacuation system An anesthesia waste gas evacuation system having a waste gas collection chamber with an inlet into the chamber at the bottom and a blower at the top for blowing gas from the chamber to an outlet connected to a building ventilation system. Vents are provid... | 01/09/1996 |
| 5432698 | Data input and output controller for anesthesia monitoring system Apparatus provides an interface between a computer, various data sources such as patient monitors and a printer via the parallel printer port of a computer for use in a data management system for anesthesia. Substantially any computer may be utilized by u... | 07/11/1995 |
| 5419317 | Inhalation apparatus A face mask includes a cup-shaped body for enclosing an external respiratory organ, such as the nose, of a patient. Flow of a respirable gas into the body and exhaust of expired gas from the body are unidirectional controlled by respiration check valves. ... | 05/30/1995 |
| 5370110 | Anesthetic scavenging hood An anesthesia scavenging hood is adapted to fit over the head of a surgical patient and to prevent the contamination of operating rooms with waste anesthetic vapor and nitrous oxide gas. The hood enables placement of an endotracheal tube or other breathin... | 12/06/1994 |
| 5345928 | System arrangement for the evacuation of anaesthesia or analgesia gas A system for collecting and removing leaking anesthesia or analgesia gas from an anesthesia apparatus in an operation theater or the like includes a vacuum source (1) and an anesthesia mask (5) adapted to be placed onto the face of a patient and connected... | 09/13/1994 |
| 5312378 | Curved transparent surgical shield A surgical splatter shield is provided which is adapted to be carried by a suction catheter for effecting the suction of blood from the area being operated on without the customary undesirable splatter of blood. The surgical splatter shield is preferably ... | 05/17/1994 |
| 5195512 | Apparatus for evacuating excess gases from surgery patient's face An apparatus for removing introduced or exhaled from the mouth and nose area of a patient via a suction device is disclosed. The apparatus includes a first flexible and hollow cylinder having one closed end and one open end and a plurality of small openin... | 03/23/1993 |
| 5044363 | Adsorption system for scavenging anesthetic agents from waste gas released during surgical activity A cartridge loosely containing powdered activated charcoal is connected to a conventional anesthetic administration system of the type commonly used in veterinary surgical facilities. The cartridge is readily supported by a conventional anesthetic cart an... | 09/03/1991 |
| 5033464 | Combination oral suction and scavenging apparatus The compact combination oral suction and scavenging apparatus can be operated simultaneously or separately for oral suctioning and expired anaesthetic gases scavenging of a patient under sedation. It includes a main shut off valve for turning the entire a... | 07/23/1991 |
| 4987894 | Anesthetic evacuation regulator The present invention is directed to an anesthetic evacuation device for use in situations where the anesthetic gasses are exhausted into the room air. More specifically, the invention discloses a device which can be attached to the popoff valve of many o... | 01/29/1991 |
| 4949714 | Scavenging medical hood A scavenging medical hood includes a hood for fitting over the head of a patient. A gas inlet port leads to the interior of the hood for supplying the interior of the hood with an appropriate respiratory gas and an aerosolized medicinal agent contained wi... | 08/21/1990 |
| 4945906 | Method and apparatus for administering anesthetics A method and apparatus for reducing the atmospheric contamination in an operating room as a result of anesthetic gas that escapes from an anesthetic gas mask. The mask has a double wall structure and includes a deflector positioned within the mask body to... | 08/07/1990 |
| 4895172 | Gas collection device A collection device for collecting and withdrawing anesthetic or analgesic gas exhaled by a patient. The device includes a member which is applied to the patient's chin and is provided with at least one suitably shaped opening positioned adjacent the pati... | 01/23/1990 |
| 4865049 | Smoke eliminating shield for electrocautery surgery A shield for eliminating smoke created during electrocautery surgery includes an elongated base member and an upwardly extending concave wall secured to one edge thereof. Located on the upper surface of the base member is an elongated suction tube which e... | 09/12/1989 |
| 4848366 | Exhaust mask system and device A mask system and device for an individual including a front portion defining a surface which is generally C-shaped and preferably forms bights or curved surfaces in both the horizontal and vertical cross section. The surface extends from and conforms to ... | 07/18/1989 |
| 4840169 | Ventilation system for artists A ventilation system for use by artists when working with paints and solvents is disclosed. The system includes a palette assembly wherein a palette is mounted on the inside of a housing which is connected to a blower so as to create a negative air pressu... | 06/20/1989 |
| 4836199 | Aspirating/ventilating apparatus and method A ventilating and aspirating assembly comprising an aspirating catheter tube internally disposed within and coextensive with a surrounding flexible collapsible sterility preserving film envelope, a connector by which ventilating air is involuntarily deliv... | 06/06/1989 |
| 4807617 | Scavenging mask Removable apparatus suitable for scavenging gas from the vicinity of a gas delivery mask applied to a face. The mask has a convex outer surface, and the apparatus comprises a cup having an inner concave surface adapted to form a gap between it and the con... | 02/28/1989 |
| 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 |
| 4741333 | Dust-free garment A dust-free garment including: a garment body having garment opening portions opening to the outside; an air passage system, attached to the garment body and having an outlet adapted to communicate to a dust collector for exhausting air therein to the dus... | 05/03/1988 |
