A unidirectional valve for use with a filtering face mask.
The container can be of flexible material and the inlet path comprises a unidirectional valve (50) or the like.
The apparatus and methods utilize a connector band to form an interface between a unidirectional valve and a tissue annulus.
The invention comprises a central plug connected by rods to the external ring and, normally, when used in two-way casings (with only one inlet and one outlet), said valve acts as a unidirectional valve.
The tracheoesophageal fistula or phonatory implant: it is a unidirectional valve inserted surgically between the trachea and the esophagus.
The one-way valve carries at its end a tail.
During use, a modified atmosphere is flowed from the first one-way valve through the package, thereby forcing oxygen out of the second one-way valve.
The presently disclosed subject matter is generally directed to a reclosable one-way valve (5).
The elongated body can include a one-way valve disposed therein.
This element may also act as a one way or check valve.
Directional control valve: According to the use of valves and reversing valve.
Replacement one-way valve for Laerdal Pocket Masks
The valvular structure (12) can have a flexible, one-way valve in a rigid housing.
A one-way valve is provided at the second end of the cannula.
The principle is that the one-way valve (7) does not open until the faucet is mounted, said faucet being equipped with a release member (4), which activates the one-way valve (7) at the moment the faucet is mounted.
A thrombectomy catheter device having an improved hemostasis valve (10) which is self-sealing and which functions as a one-way valve.
The at least two opposing walls of the second portion of the vein define the unidirectional flow valve.
The nosecup is equipped with a one-way valve to allow fresh air into the nosecup.
The package also includes a gas impermeable film (18) fitted with a second one-way valve (20); the film is positioned over and adjacent to the flanges of the tray, and the film is heat sealed to such flanges to form the package.
The evacuation device includes an inner nozzle for interfacing with the one-way valve element.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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