Final Answer:
The Hegar Dilators are medical instruments used for probing and dilating the cervical os.
Step-by-step explanation:
The Hegar Dilators are a series of graduated metal rods designed for the probing and dilating of the cervical os, which is the opening of the uterus.
These instruments are commonly used during gynecological examinations, such as Pap smears and pelvic exams, as well as during certain medical procedures, such as intrauterine device (IUD) insertions. The Hegar Dilators are available in a range of sizes, allowing for precise and controlled dilation of the cervical os.
The instruments are made of high-quality materials, such as stainless steel or plastic, to ensure safety and comfort for the patient. The Hegar Dilators are an essential part of any gynecological practice or medical facility, as they provide a reliable and effective method for probing and dilating the cervical os.