23. A prosthetic device according to claim 22 wherein at least one of the rods is integrally formed at its root end with a respective one of the curved arms, such rod being integrally formed at its tip end with a respective one of the arcuate members.
23. A prosthetic device according to claim 22 wherein at least one of the rods is integrally formed at its root end with a respective one of the curved arms, such rod being integrally formed at its tip end with a respective one of the arcuate members. 24. A prosthetic device according to claim 23 wherein the securement means comprises a resilient structure capable of stretching and retracting in response to corresponding changes in erection of the penis, and wherein expansion of the glans of the penis causes the members to rotate relatively further apart whereby the arms rotate relatively further apart in response, stretching thereby the resilient structure causing the rod means to exert additional pressure on the dorsal vein and the corpora cavernosa of the penis.