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2. Myringotomy - Wikipedia

   en.wikipedia.org/wiki/Myringotomy

   A new variation (called tympanolaserostomy or laser-assisted tympanostomy) uses a CO 2 laser, and is performed with a computer-driven laser and a video monitor to pinpoint a precise location for the hole. The laser takes one-tenth of a second to create the opening, without damaging surrounding skin or other structures.

3. Tympanostomy tube - Wikipedia

   en.wikipedia.org/wiki/Tympanostomy_tube

   Tympanostomy tube, also known as a grommet, myringotomy tube, or pressure equalizing tube, is a small tube inserted into the eardrum via a surgical procedure called myringotomy to keep the middle ear aerated for a prolonged period of time, typically to prevent accumulation of fluid in the middle ear.

4. Trepanning - Wikipedia

   en.wikipedia.org/wiki/Trepanning

   Detail from The Extraction of the Stone of Madness, a painting by Hieronymus Bosch depicting trepanation (c. 1488–1516). Trepanning, also known as trepanation, trephination, trephining or making a burr hole (the verb trepan derives from Old French from Medieval Latin trepanum from Greek trúpanon, literally "borer, auger"), [1] [2] is a surgical intervention in which a hole is drilled or ...

5. Head mirror - Wikipedia

   en.wikipedia.org/wiki/Head_mirror

   A head mirror is mostly used for examination of the ear, nose and throat (ENT). It comprises a circular concave mirror , with a small hole in the middle, and is attached to a headband. The mirror is worn over the physician's eye of choice, with the concave mirror surface facing outwards and the hole directly over the physician's eye, providing ...

6. Cranial drill - Wikipedia

   en.wikipedia.org/wiki/Cranial_drill

   The conceivable reasons why ancient humans developed the technique of drilling the head could be religious, ritual or medical factors. [2] The first trepanning procedure consisted of different types of tools and techniques: at the beginning the only material that was available for use, it was a sharp and carved rock.

7. Grommet - Wikipedia

   en.wikipedia.org/wiki/Grommet

   A grommet is a ring or edge strip inserted into a hole through thin material, typically a sheet of textile fabric, sheet metal or composite of carbon fiber, wood or honeycomb. Grommets are generally flared or collared on each side to keep them in place, and are often made of metal, plastic, or rubber. They may be used to prevent tearing or ...