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Instrumentation Defs

Chapter 22 Instruments and definitions

QuestionAnswer
To separate tissues layers on a vertical plane using dissecting scissors Undermine
a tube, duct, or other hollow structure that forms a Y split Bifurcation
Instruments with a sharp edge that is used to cut and dissect tissue. This group includes scissors, scalpels, osteotomes, curettes, chisels, biopsy punches, saws, drills, and needles. Cutting Instruments
tearing or fragmenting easily when handled Friable
graduated, smooth instruments that are used to increase the diameter of an anatomical opening in tissue Dilators
soft, doughy; a characteristic of diseased tissue Boggy
an orthopedic instrument used to slice bone, one side is straight and the other is beveled Chisel
The area of a surgical instrument between the box lock and the finger ring Shank
The removal of tissue by scraping with a surgical curette Curettage
To divide an organ by sharp dissection Transect
A non-hinged sharp or dull tipped instrument an elevator is used to separate tissues or bluntly remodel tissues Elevator
the hinge point of many surgical instruments Box Lock
surgical instruments manufactured from inferior metal that can bend and break easily, fittings and joints are poorly constructed and fittings are poor quality Floor grade instruments
a V shaped bone chisel Gouge
sharpened Honed
a hinged instrument with sharp cup shaped tips that is used to extract pieces of bone or other connective tissue Rongeur
The delicate outer layer of tissue of most organs Serosa
the study of the structure of tissue Histology
a surgical clamp most often used to occlude a blood vessel Hemostat
The tips of a surgical instrument Points