Patent ID: 11925595
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 10:
11. A stair step assisting device which aids a user in climbing or descending stairs without bearing weight on one foot or ankle, the stair step assisting device comprising:
a lower body portion providing a lower tread interface surface configured to rest on a tread of a first step;
a main body portion above the lower body portion and providing an upper tread interface surface configured to rest on a tread of a second step, the second step above the first step;
an upper body portion above the main body portion and providing a top surface configured to support a knee or lower leg of a first leg of the user while a second leg of the user is at least partially extended and supported by the first step;
at least one handle configured to aid the user in repositioning the stair step assisting device to a next step;
wherein the upper body portion and the main body portion are adjustably coupled such that the upper body portion is configured to be adjusted vertically relative to the main body portion to position the top surface at different heights, relative to the lower tread interface surface, for different users, wherein one of the upper body portion and the main body portion is configured to be received inside of the other of the upper body portion and the main body portion to provide the adjustable coupling between the upper body portion and the main body portion;
wherein the upper body portion and the main body portion include first locking features configured to allow vertical adjustment of the upper body portion relative to the main body portion into a plurality of positions and to lock the upper body portion in a desired position relative to the main body portion, wherein the first locking features include apertures in the upper body portion and the main body portion which are configured to be aligned and to receive a locking pin through aligned apertures and;
wherein the lower body portion and the main body portion are adjustably coupled such that the lower body portion is configured to be adjusted vertically relative to the main body portion to increase or decrease a distance between the lower tread interface surface and the upper tread interface surface to accommodate different riser heights of the stairs, wherein one of the lower body portion and the main body portion is configured to be received inside of the other of the lower body portion and the main body portion to provide the adjustable coupling between the lower body portion and the main body portion, and wherein the lower body portion and the main body portion include second locking features configured to allow vertical adjustment of the lower body portion relative to the main body portion into a plurality of positions and to lock the lower body portion in a desired position relative to the main body portion, wherein the second locking features include apertures in the lower body portion and the main body portion which are configured to be aligned and to receive a second locking pin through aligned apertures.