Dr. Ernst Gräfenberg, another German physician after whom the G-spot is named, created the first Ring IUD, Gräfenberg's ring, made of silver filaments.
His major contributions have been in the indigenously developed non-hormonal polymer based injectable male contraceptive (RISUG) for which the Final Phase-III Clinical trials are underway; Problem-solving at a national level regarding contraceptives in mass usage, especially Copper T; individualized spot air-conditioning system for hospital patients and rehabilitation of the blind, with emphasis on opening automobile repair as an employment avenue.
Improvised explosive device | Charge-coupled device | Personal flotation device | improvised explosive device | medical device | GPS navigation device | Telecommunications device for the deaf | Spring (device) | mobile device | Incendiary device | Data storage device | Seal (device) | Night vision device | Display device | device driver | charge-coupled device | Ventricular assist device | Residual-current device | Null Device | Mobile device | Long Range Acoustic Device | Improvised Explosive Device | Graphics Device Interface | Device Forts | Device | Stargate (device) | Semiconductor device | Pedersen device | Intrauterine device | Digital Message Device |
Pellets of mepacrine are inserted through the cervix into a woman's uterine cavity using a preloaded inserter device, similar in manner to IUCD insertion.