| Entries |
| Document | Title | Date |
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| 20080271738 | Multi-compartment low resistance to flow filter - The present invention discloses a seamless pad-type filter which is characterized in that it comprises two co-extensive sides, a top side and a bottom side. The top and bottom sides are made of fluid filtration material. The two sides create an inner chamber therebetween and are surrounded and joined together by a seamless outer perimeter. The seamless outer perimeter providing a seamless folded continuity between the two sides of the pad-type filter in the form of a plurality of fold lines which, as connecting segments beginning and ending at the same point, define the seamless outer perimeter. The top side further comprising a plurality of positive and negative secondary creases formed around a plurality of positive and negative crease lines. The crease lines are inclined to the fold lines and form pleats. The pleats are sealed to form a primary flow aperture such that a fluid passing through said primary flow aperture passes only through at least one of the bottom side, the top side and the seamless outer perimeter. | 11-06-2008 |
| 20080289632 | FILTER FOR A BREATHING DEVICE - A filter for a breathing device is flexible and can be manufactured in a simple manner. The filter includes a flexible frame ( | 11-27-2008 |
| 20080308106 | PERSONAL AIR FILTRATION DEVICE - A personal air filtration device and methods of using the same for providing a zone of filtered air proximate a breathing zone of a user are described. A blower provides an air flow to a head support which delivers the air flow to a zone proximate the users head. The air flow passes through a filter. The filter can be a point of delivery filter disposed about an air permeable surface of the head support. The delivered air flow can provide a laminar air flow defining a zone of filtered air about the user's breathing zone. | 12-18-2008 |
| 20090020124 | Permeable membrane water dissipation device - An embodiment in accordance with the present invention provides a water dissipation device to remove water vapor from a humidified gas traveling through a breathing circuit between a patient and a ventilator, or a ventilator and a patient. The present invention includes a water dissipation device having a housing defining entry and exit ports for coupling to the breathing circuit and a breathable medium permeable to water vapor and impermeable to liquid water bacteria, viruses and other gases enclosed within said housing. | 01-22-2009 |
| 20100012127 | Water Dissipation Device and Method - A water dissipation device for removing water vapor or moisture from a breathing circuit is provided, including an upper lid portion, an entry port and an exit port. An outer cover structure extends from the upper lid portion to define an enclosed volume. An inner frame extends from the upper lid portion inside the outer cover structure. The outer cover structure includes a first layer of water or moisture wicking material and a second layer of water vapor breathable medium, and has an inner surface area bounding an inner flow space such that water vapor or moisture can permeate from the inner flow space through the outer cover structure out of device. The device can include an inner cup structure extending from the upper lid portion into the enclosed volume to displace the enclosed volume and define and bound a portion of the inner flow space and compressible volume therein. | 01-21-2010 |
| 20100018532 | Filter Pouch for Containing Aerosol Spray of a Cough - The cough pouch contains the infectious aerosol spray of a cough or sneeze in medical-grade filter pouch protecting the general public from disease-carrying viruses and bacteria. It also protects the cougher's hand from being contaminated. The reusable disposable cough pouch opens and reseals with light finger pressure when used in a “cupped” hand. Its small size and portability allows for discrete use in public situations, and is easily carried in a purse, pocket or similar small container. | 01-28-2010 |
| 20100163047 | PROTECTIVE COVER FOR RESPIRATORY DEVICE - A protective cover for preventing entry of particulate matter into a delivery hose of a respiratory device includes a filter member having a peripheral edge portion. The filter member is composed of a filter material having a mesh size capable of preventing the particulate matter to pass therethrough. The protective cover further includes a support member having an inner edge portion and an outer edge portion. The inner edge portion of the support member is attached to the peripheral edge of the filter member, such that, the support member circumferentially surrounds the filter member. Furthermore, the protective cover includes a securing member attached to the outer edge portion of the support member, such that, the securing member circumferentially surrounds the support member. The securing member is capable of gripping an end portion of the delivery hose of the respiratory device. | 07-01-2010 |
| 20100307503 | MASK FILTER AND MASK PRODUCED USING THE SAME - The present invention provides a mask filter exhibiting a high antimicrobial/antiviral activity, a high dust filtration ability, a high ventilation characteristic, a high failure-strength and a high workability into a mask and the mask produced using such mask filter. An antimicrobial polyolefin fiber sheet is provided wherein the polyolefin fiber sheet has one or more spots in which 1/100 or more by volume of individual inorganic antimicrobial agent particles are exposed on surfaces of polyolefin fibers per fiber sheet area of 1.0×10 | 12-09-2010 |
| 20110067699 | RESPIRATORY SECRETION RETENTION DEVICE, SYSTEM AND METHOD - An apparatus, system, and method for managing respiratory secretions and fluids in sections of artificial airways. In an embodiment of the invention, a respiratory secretion retention (RSR) device configured to fluidly connect to an artificial airway can be provided. The device can include a housing that defines a passageway for the flow of respiratory gases with at least two chambers coupled to the housing. The chambers are configured to retain exhaled respiratory particulate and liquid. The respiratory secretion retention device further includes a patient port coupled to the housing that is in fluid communication with the artificial airway and a repositionable barrier configured to isolate at least one of the two chambers from the passageway. In another embodiment, a secretion removal assembly can connect to a respiratory secretion retention device; the secretion removal assembly includes a connector configured for connecting to a port of the respiratory secretion retention device and a spike coupled to the connector. | 03-24-2011 |
| 20110083671 | NANO FILTER STRUCTURE FOR BREATHING AND MANUFACTURING METHOD THEREOF - In a nano filter structure for breathing and a manufacturing method of the nano filter structure, a semiconductor process technology is used for manufacturing a nano filter structure comprising a top gate, a bottom gate, a plurality of sidewall gates and a plurality of supports. The sidewall gates include a plurality of filterable gratings, and the filterable gratings are controlled precisely to a nanoscale by a semiconductor process technology. Therefore, the nano filterable gratings can be manufactured easily and quickly, and the multilayer design of the filterable gratings enhances the aperture ratio of a filter material, such that users can inhale or exhale easily through the filter material. | 04-14-2011 |
| 20110220108 | BREATHING PROTECTOR - A breathing protector may include a filter housing having a central axis, a distal end, a proximal end, a first opening and a second opening. The second opening may be located in a proximal end of the filter housing and the first opening may be located distally of the second opening, such that the first opening is located upstream of the second opening. An exchanging filter may be disposed in the filter housing and a valve seat may extend around the first opening. A rail, located circumferentially of the valve seat, may extend axially and distally away from the first opening. The rail may include a distal end and at least one rib. A valve member may be arranged in a transversal plane to the central axis and engage the valve seat in a closed position. A return spring may press the valve member into the open position. | 09-15-2011 |
| 20120017910 | ELECTRET WEBS WITH CHARGE-ENHANCING ADDITIVES - Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include a heterocyclic imide material which is free of fluorinated groups. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media. | 01-26-2012 |
| 20120090614 | PROCESSING AIDS FOR OLEFINIC WEBS, INCLUDING ELECTRET WEBS - Methods of preparing polymeric webs include hot melt blending of thermoplastic resins and processing aids. The process aids include hindered amine N-substituted succinimide oligomers. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media. Among the polymeric webs produced are electret webs. The processing aids also function as charge-enhancing additives for the electret webs. | 04-19-2012 |
| 20120118293 | Waugh stoma cover - The Waugh Stoma Cover, consists of 2 Tefla band aids attached to each other by the tacky sides back to back, with nylon netting between the two. The nylon netting covers an opening in the two band aids approximately 1.″ in diameter. | 05-17-2012 |
| 20130192603 | BREATHING DEVICE COMPRISING A SUPPORT FOR SPEECH VALVES AND/OR HEAT AND MOISTURE EXCHANGE DEVICES WITHOUT FIXING TO THE CANNULA - A breathing device for placing on a tracheostoma of a patient comprising a cylindrical housing, an annular housing support, a flexible flat part with sealing and adhesive functions, a filter or a speech valve, and a cover plate. The housing comprises, in the wall thereof, recesses for introducing and extracting inhaled air, and on the proximal opening thereof, an outer edge comprises at least three edge segments which are on the outer wall and at least three edge recesses. Holding rods support the filter on the proximal opening, the housing support comprises an annular flange having at least three inner wall support projections and an annular outer wall base. The support projections have a receiving area, the housing support supports the housing with the filter or speech valve into which the edge segment can be introduced in a precise manner into the support projections. | 08-01-2013 |
| 20130269702 | BREATHING PROTECTOR - A breathing protector for a tracheostoma is provided. The breathing protector comprises an inlet and an outlet, such that an air flow in use will pass from the surroundings of the user through said inlet to said outlet, into trachea of said user. Further, it comprises a filter housing, said filter housing comprising an inner housing part, an outer housing part, and a filter body. The inner housing part, comprising the outlet, a tracheal tube fitting and a support structure extends longitudinally and distally from the tracheal tube fitting. A base plate is arranged in a proximal zone of the tracheal tube fitting, said base plate extending radially outwards from the tracheal tube fitting. The outer housing par, comprising the inlet, forms a cage enclosing the support structure. The filter body is arranged between the support structure and the outer housing part. An assembly tool and an assembly method thereof are also provided. | 10-17-2013 |
| 20140102457 | Apparatus to Limit the Spread of Infectious Material from a Cough or Sneeze - An apparatus to limit the spread of infectious material from a cough or sneeze. The apparatus comprises a first liquid impermeable layer, a second absorbent layer, and a third permeable layer. The second absorbent layer has an upper surface, a lower surface and side surfaces. The third permeable layer is adjacent to the upper surface of the second absorbent layer. The first liquid impermeable layer encompasses the bottom and side surfaces of said second absorbent layer preventing the unintended escape of fluids or other material from or through the bottom and side surfaces of the second absorbent layer. The third permeable layer provides protection to the second absorbent layer and has a generally open structure to facilitate the passage of fluids therethrough and into the second absorbent layer. Liquids expelled through coughing or sneezing and captured by the third permeable layer are transferred to and retained by the second absorbent layer. | 04-17-2014 |
| 20140352698 | VENTURI SPRINKLER FOR CONTROLLING SMOKE AND APPARATUS FOR REMOVING POISONOUS GAS - Provided is an apparatus for removing smoke and poisonous gas. The apparatus includes a body configured to include a flux unit which supplies water and a nozzle which is connected to the flux unit and has a narrower width than the flux unit, a frame configured to surround the body and include a suction part for removing smoke, and a heat sensitive unit fixed to seal the nozzle. When the flux unit, nozzle and frame sprays fluid with a certain pressure at high speed through the nozzle, pressure energy of the fluid is changed to velocity energy, and a vacuum state is formed in a suction room at a low pressure due to a fast speed. In order for an operation to be performed as a vacuum ejector for sucking another fluid, the suction part is positioned surrounding the nozzle, and the frame is provided to surround the heat sensitive unit. A negative pressure explained in Bernoulli's theorem is generated to form a vacuum in the space between the nozzle and the mixing chamber, thus enabling the suction of smoke and poisonous gas. The smoke and poisonous gas are mixed with water in the mixing chamber so as to be trapped in the water or dissolved and dispersed in the water. The suction part is formed in the area which encloses the nozzle such that the suction part can operate together with a vacuum ejector. The frame is arranged so as to enclose the heat sensitive unit. | 12-04-2014 |
| 20150306536 | Layered Or Mixed Sorbent Bed Protective Filtration Device - A filtration device including a fluid-impermeable housing having a gas inlet and outlet, and containing within the housing first filter media particles of an extended surface area substrate and containing at least one metal impregnant, and second filter media particles of an extended surface area zirconium hydroxide substrate and zinc (hydr)oxide. The device may be used in atmospheres containing various harmful gases, and may provide particularly useful improvements in NO | 10-29-2015 |
