Provided are sliding seat and shower head assembly, wherein the sliding seat includes main body, locking part, elastic member, and triggering part. The main body is provided with an accommodating cavity that penetrates in first direction, wherein the accommodating cavity is provided with an access opening arranged in second direction. The access opening allows structural component to enter and exit the accommodating cavity. The locking part is arranged in the accommodating cavity in movable manner. The elastic member is arranged on the main body and connected to the locking part. The elastic member is configured to provide elastic force to the locking part so that the locking part abuts the structural component in third direction to lock the structural component in the accommodating cavity. The first direction, the second direction, and the third direction are mutually perpendicular to each other. The triggering part is connected to the locking part.

A faucet system includes a housing assembly configured to be coupled to a ceiling structure, wherein the housing includes a mixing valve disposed therein. The faucet system further includes a hose assembly coupled to the housing assembly. The hose assembly includes a flexible hose being fluidly coupled to the mixing valve and configured to hang below the housing assembly, a rotatable arm coupled to the housing assembly, and a control knob communicably coupled to the mixing valve. The rotatable arm is configured to facilitate rotation and adjustment of the hose and the control knob configured to control at least one of a temperature or a flow of water within the faucet system.

A shower system includes a sprayer moveably coupled with a shower column and a control system operably coupled with the sprayer. The control system can automatically change a position of the sprayer along the shower column.

A sliding riser system is provided herein which may include at least one moving riser bar attached at a first end to a showerhead, at least one fixed inlet waterway connected to a fluid line, and a balance spring mechanism which may include a balance spring attached at a free end to the at least one moving riser bar. The fluid line may provide water to the sliding riser system, and thereby, to the showerhead for use. A portion of the moving riser bar may be housed within the fixed inlet waterway, or a portion of the fixed inlet waterway may be housed within the moving riser bar. Such housing may cause fluid flowing in the fixed inlet waterway to transfer and flow into the moving riser bar.

An implantable prosthetic valve includes a radially collapsible and expandable annular frame having three commissure attachment posts and four rows of circumferential struts. The rows include a first row, a second row downstream of the first row, a third row downstream of the second row, and a fourth row downstream of the third row and defining an outflow end of the frame. Each row of circumferential struts includes angled struts arranged in a zig-zag pattern. A leaflet structure includes three leaflets forming three commissures, each commissure being connected to one of the commissure attachment posts only at locations along the commissure attachment posts between a first plane that is perpendicular to a longitudinal axis of the frame and intersects crowns of the third row of struts and a second plane that is perpendicular to the longitudinal axis and intersects crowns of the fourth row of struts.