| 摘要 |
A prosthesis for male sexual aid comprises a semi-rigid sleeve of thermoplastic material and two straps of elastomeric material. The sleeve has a cutout along its whole length and shaped outside in three portions: a head, a shaft, and a base. A base portion is slanted about the cutout toward the shaft portion. The first strap is secured by both ends to the base portion of the sleeve in a location that is opposite to the cutout. The second strap is an O-ring and secured to the shaft portion of the sleeve embracing the last. In usage, a penis is inserted into the sleeve, the first strap is pulled under the scrotum, the second strap holds the penis inside the sleeve. The first strap being under a fulcrum of rotation of the prosthesis will pull it into a "flaccid" position doing it invisible to an observer when a user is dressed. A moment before a sexual intercourse the user give lift to the prosthesis by his hand. Now, the first strap is above the fulcrum and pulls the prosthesis into the "erected" position. Thus, the user can be comfortably prepared way before a foreseen sexual intercourse. The easy switch from one position to another is achieved by the right interconnection between a slant angle of the base portion of the sleeve and the location of the point where the first strap is secured to the sleeve.
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