A face mask including a base model of a mask body having a front side and a back side and defining an interior. The back side includes a face opening within which a portion of a user face including a nose and mouth can be inserted and encompassed. The face opening is defined by a perimeter and is modified to substantially correspond to contours of the user face based on scan of topographical facial features of the user face.

The nose mask is intended to be used during Airborne Pandemic. The Nose Mask is a single Triangle/Cone shaped that covers only the nose, that comes with two ear elastic bands or a single head elastic band for support. The Nose Mask is designed to be disposable with filter for better protection and minimize the passage of aerosols, fluids and airborne pathogens agents or to be made with washable material allowing users to re-use it.

The nose mask is intended to be used during Airborne Pandemic. The Nose Mask is a single Triangle/Cone shaped that covers only the nose, that comes with two ear elastic bands or a single head elastic band for support. The Nose Mask is designed to be disposable with filter for better protection and minimize the passage of aerosols, fluids and airborne pathogens agents or to be made with washable material allowing users to re-use it.

A personal air filter device with an air filter assembly retained in the air filter holding member is disclosed. An ear support member is attached to the air filter holding member and can be hung over the ear of the user to support the air filter holding member. Alternatively, a clip member attached to the air filter holding member can be utilized to attach the device to the user's clothing or accessories. An air tube assembly extends from the air filter holding member to the mouthpiece for the purpose of breathing filtered air flowing through the air filter assembly. An air intake check valve situated near the end of the air tube attached to a mouthpiece retaining member and an air outflow check valve situated near the outer surface of the mouthpiece retaining member to ensure exhaled air is directed out of the device and is not reinhaled.

A personal air filter device with an air filter assembly retained in the air filter holding member is disclosed. An ear support member is attached to the air filter holding member and can be hung over the ear of the user to support the air filter holding member. Alternatively, a clip member attached to the air filter holding member can be utilized to attach the device to the user's clothing or accessories. An air tube assembly extends from the air filter holding member to the mouthpiece for the purpose of breathing filtered air flowing through the air filter assembly. An air intake check valve situated near the end of the air tube attached to a mouthpiece retaining member and an air outflow check valve situated near the outer surface of the mouthpiece retaining member to ensure exhaled air is directed out of the device and is not reinhaled.

Devices for altering the flow of air in a respiratory cavity such as the nostrils of the nose. These methods and devices may be useful for affecting a physiologic benefit in patients suffering from a variety of medical disorders, including snoring and sleep apnea. The devices are typically removable devices that may be placed in both nostrils to increase resistance to airflow within the respiratory cavity. Resistance to expiration may be selectively increased relative to inspiration. The nasal devices may also increases patency of the nares. Any of these devices may be configured to achieve positive end-expiratory pressure (PEEP) in a subject wearing the device.

A nasal-plug filter device including a device body, a filter, a first actuator, a second actuator, and a gas sensor is provided. The device body has a ventilating channel, and the ventilating channel has an inlet end and an outlet end. The filter is disposed at the outlet end. The first actuator is disposed at the inlet end for being driven to transmit gas outside the device body into the device body. The second actuator is stacked on and bonded to the first actuator, and the second actuator is driven to transmit the gas transmitted by the first actuator to the filter to be filtered and purified. The gas sensor is disposed at the outlet end. A connection element may be provided for connecting two nasal-plug filter devices with each other.

A nasal-plug filter device including a device body, a filter, a first actuator, a second actuator, and a gas sensor is provided. The device body has a ventilating channel, and the ventilating channel has an inlet end and an outlet end. The filter is disposed at the outlet end. The first actuator is disposed at the inlet end for being driven to transmit gas outside the device body into the device body. The second actuator is stacked on and bonded to the first actuator, and the second actuator is driven to transmit the gas transmitted by the first actuator to the filter to be filtered and purified. The gas sensor is disposed at the outlet end. A connection element may be provided for connecting two nasal-plug filter devices with each other.

A breathing filter assembly for filtering breathing air includes a breathing unit that includes a mouthpiece that can be placed in a user's mouth. The breathing unit includes a pair of nose tubes that can each be positioned in a respective one of the user's nostrils when the mouthpiece is positioned in the user's mouth. A filter is removably insertable into the breathing unit. The filter is made of an air permeable material to pass air therethrough for breathing. The filter extends into the mouthpiece and each of the nose tubes to filter air inhaled through the user's mouth or the user's nose.

A breathing filter assembly for filtering breathing air includes a breathing unit that includes a mouthpiece that can be placed in a user's mouth. The breathing unit includes a pair of nose tubes that can each be positioned in a respective one of the user's nostrils when the mouthpiece is positioned in the user's mouth. A filter is removably insertable into the breathing unit. The filter is made of an air permeable material to pass air therethrough for breathing. The filter extends into the mouthpiece and each of the nose tubes to filter air inhaled through the user's mouth or the user's nose.