Bucknam and Archer
Hospital trousers for patients
 Trousers for patients include a waist portion and a pair of legs. The waist portion has tying elements and at least one of the legs has a slit formed in its front side and running lengthwise of the leg. A fastening device is provided at the slit and consists of stops, pawls and slides disposed at both ends thereof in an opposite relationship. 
A A
A41D A41D
additional inventional
Chao-Mu
Chou