Abstract: An ergonomic collapsible crutch for providing assistance with ambulatory movement of a user, the crutch including a supporting member having an underarm support surface and a hand grip portion, a gripping pad disposed remotely from the underarm support surface generally along a vertical axis and connected to the supporting member to provide stability and grip on surfaces of a walking environment, and a hand grip attached to the hand grip portion of the supporting member so that the handgrip extends from the supporting member at an angle from the vertical axis ranging from about 85° to about 60° and from about 95° to about 120°. The ergonomic collapsible crutch may also include a shock absorbing device and buttons for adjusting the height of the crutch as well as the position of the hand grip. The hand grip may also be ergonomically contoured for improved use by a user.

Abstract: An ergonomic collapsible crutch that may have a shock absorbing device, used to facilitate walking. The crutch has only one supporting member in place of two. The supporting member is ergonomically designed. The hand grip is configured to reduce stress on a patient. The crutch has a length adjustment and a collapsibility feature.

Abstract: An ergonomic collapsible crutch for providing assistance with ambulatory movement of a user, the crutch including a supporting member having an underarm support surface and a hand grip portion, a gripping pad disposed remotely from the underarm support surface generally along a vertical axis and connected to the supporting member to provide stability and grip on surfaces of a walking environment, and a hand grip attached to the hand grip portion of the supporting member so that the handgrip extends from the supporting member at an angle from the vertical axis ranging from about 85° to about 60° and from about 95° to about 120°. The ergonomic collapsible crutch may also include a shock absorbing device and buttons for adjusting the height of the crutch as well as the position of the hand grip. The hand grip may also be ergonomically contoured for improved use by a user.

Abstract: An ergonomic collapsible crutch that may have a shock absorbing device, used to facilitate walking. The crutch has only one supporting member in place of two. The supporting member is ergonomically designed. The hand grip is configured to reduce stress on a patient. The crutch has a length adjustment and a collapsibility feature.

Abstract: A pump-over fermentation tank has a valve between the pump-over chamber and fermentation chamber providing multi-directional diffusion of the pump-over liquid into the fermentation or extraction chamber. The valve is opened slowly for irrigation of the fermentation cap and is opened rapidly to achieve mixing of the contents in the fermentation chamber. The valve is self-centering in the near-closed position, and in a particular embodiment has diffusers on the perimeter of the valve to direct the pump-over liquid to different regions of the surface of the contents in the fermentation chamber.