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Worboys
David John Worboys, Belrose AU
| Patent application number | Description | Published |
|---|---|---|
| 20080257354 | Cushion and cushion to frame assembly mechanism for patient interface - A full-face cushion for a patient interface that delivers breathable gas to a patient includes a frame connector adapted to attach the cushion to a mask frame and an interface provided to the frame connector. The interface is constructed of foam and defines a cushion cavity. The interface includes a foam contact surface adapted to interface or contact with surfaces of the patient's face in use. | 10-23-2008 |
| 20090065729 | Anti-Asphyxia Valve Assembly for Respirator Mask - An elbow assembly for a mask assembly includes an anti-asphyxia valve (AAV) assembly that may take the form of a box-like frame work, a drop-in arrangement, or a slot-in arrangement. In each case, the AAV assembly may include a flap element which is movable so as to either direct ambient gas/air to the elbow assembly and thus the patient using the mask assembly, or to allow the passage of pressurized gas to the patient. | 03-12-2009 |
David John Worboys, New South Wales AU
| Patent application number | Description | Published |
|---|---|---|
| 20090000623 | Reinforcing Member for a Patient Interface - A patient interface includes a frame, a cushion, and a reinforcing member. The cushion has a non-face-contacting portion connected to the frame and a face-contacting portion adapted to engage the patient's face in use. The face-contacting portion includes a side wall and a flexible membrane extending from the side wall. The reinforcing member is provided to at least a portion of an interior and/or exterior surface of the side wall of the cushion. The reinforcing member provides reinforcement to the side wall of the cushion to at least limit lateral expansion of the cushion in use. The reinforcing member may have a stiffness that is selectively varied along its length. | 01-01-2009 |
Simon K. Worboys, Santa Ana, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20080302750 | Self-orienting anti-two block switch assembly - An anti-two block switch assembly for a crane is disclosed for preventing the crane from a two-blocking condition. The switch assembly includes a rotatable joint which allows the assembly to rotate about more than one axis. The switch assembly is also provided with a mounting plate and a mounting rod for mounting the switch assembly to the crane. | 12-11-2008 |