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The retrosternal passage performed in the Nuss procedure carries a high risk of damaging the heart. This is why multiple sternal elevation systems have been developed to increase the space between the heart and the sternum in order to pass the thoracoplasty rod more safely. [6] [7] [8] [9]
•Guarded eye speculum (left and right)-do-; heavy instrument but can keep eyelashes out of the operating field with its "guard" and hence left or right ones are required •Wire Speculum: to keep the eyes open during any operation; light wire instrument Needle holders: holding the needle in position while applying sutures •Silcock's needle ...
Median sternotomy is a type of surgical procedure in which a vertical inline incision is made along the sternum, after which the sternum itself is divided using a sternal saw. [1] This procedure provides access to the heart and lungs for surgical procedures such as heart transplant , lung transplant , corrective surgery for congenital heart ...
The ICD-10 Procedure Coding System (ICD-10-PCS) is a US system of medical classification used for procedural coding.The Centers for Medicare and Medicaid Services, the agency responsible for maintaining the inpatient procedure code set in the U.S., contracted with 3M Health Information Systems in 1995 to design and then develop a procedure classification system to replace Volume 3 of ICD-9-CM.
An eye examination, commonly known as an eye test, [1] is a series of tests performed to assess vision and ability to focus on and discern objects. [2] It also includes other tests and examinations of the eyes. [2] Eye examinations are primarily performed by an optometrist, ophthalmologist, or an orthoptist.
There are three types of eye removal: [4] Evisceration – removal of the iris, lens, and internal eye contents, but with the sclera and attached extraocular muscles left behind; Enucleation of the eye – removal of the eyeball, but with the eyelids and adjacent structures of the eye socket remaining. An intraocular tumor excision requires an ...
The pupil is a hole through which the eye's interior can be viewed. For better viewing, the pupil can be opened wider (dilated; mydriasis) before ophthalmoscopy using medicated eye drops (dilated fundus examination). However, undilated examination is more convenient (albeit not as comprehensive), and is the most common type in primary care.
A key-hole pupil is left by the removal of a wedge-shaped section of iris. [4] A stenopeic iridectomy is the surgical removal of a narrow slit or a minute portion of the iris, leaving the sphincter pupillae muscle intact. [2] A therapeutic iridectomy is the surgical removal of a portion of the iris for the cure or prevention of an ocular ...