Ossicular Prosthesis
Ossicular Prostheses · Porp · Torp · Partial Ossicular Replacement Prosthesis · Total Ossicular Replacement Prosthesis · Ossicular Replacement Prosthesis
A tiny implant, a few millimeters long, made to replace missing or damaged middle ear bones. Most have a small round head plate that sits under the tympanic membranetim-PAN-ik MEM-braynThe thin, cone-shaped sheet of tissue between the outer ear canal and the middle ear; the eardrum.Full entry and a thin shaft; the bottom end is a cup or bell for the stapes head or a flat foot for the stapes footplate. Usually titanium, plastic or ceramic.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Implanted in ossiculoplasty and tympanoplasty to rebuild the sound-conducting chain between the tympanic membranetim-PAN-ik MEM-braynThe thin, cone-shaped sheet of tissue between the outer ear canal and the middle ear; the eardrum.Full entry and the inner earIN-er EERThe deepest part of the ear, inside the skull bone, which holds the organs of hearing and balance.Full entry . A PORP links an intact stapes superstructure to the malleus or eardrum; a TORP links the stapes footplate to the malleus or eardrum. Incus interposition and incus replacement types are also made.
Lengths and variants
PORP, TORP, incus interposition and incus replacement types, in many lengths (some trimmable). Materials include titanium, gold, stainless steel, plastics such as Teflon and plastipore, and hydroxyapatite or ceramic.
What experienced techs know
What techs who reach for it every day know about it.Pro
Through the case
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Caution
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4 sources
- ncbi.nlm.nih.gov
- Goldman MA. Pocket Guide to the Operating Room. 3rd ed. Chapter 27 (Otorhinolaryngological ENT Surgery), p. 793
- Rothrock JC. Alexander's Care of the Patient in Surgery. 17th ed. Chapter 19 (Otorhinolaryngologic Surgery), p. 639
- indiamart.com
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