A speculum Latin for "mirror"; plural specula or speculums is a medical tool for investigating body orifices , with a form dependent on the orifice for which it is designed. In old texts, the speculum may also be referred to as a diopter or dioptra. Vaginal and anal specula were used by the ancient Greeks and Romans ,  and speculum artifacts have been found in Pompeii. Marion Sims , consists of a hollow cylinder with a rounded end that is divided into two hinged parts, somewhat like the beak of a duck. The speculum is inserted into the vagina to dilate it for examination of the vagina and cervix. Specula were formerly made of stainless steel , and sterilized after use.
It is type of locking forceps which holds itself in the place it has been locked into. Tenaculum forceps allow tissues to be held in a steady manner while the surgical procedure may be conducted. It also ensures that no tissue gets in the surgical site and it also helps in manipulating the tissues as and when needed. There are a variety of tenaculum forceps which are available and each may serve a different purpose and hence be made differently.
A speculum is a duck-bill-shaped device that doctors use to see inside a hollow part of your body and diagnose or treat disease. One common use of the speculum is for vaginal exams. Gynecologists use it to open the walls of the vagina and examine the vagina and cervix. A speculum is made from stainless steel or plastic.
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