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Instrumentation Defs
Chapter 22 Instruments and definitions
Question | Answer |
---|---|
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 |