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October 1996

The Caliber of the Needles Used for Injection or Aspiration in Surgical Work-Reply

Arch Ophthalmol. 1996;114(10):1299. doi:10.1001/archopht.1996.01100140499042

In reply  Locating the answer to Dr Urrets-Zavalía's interesting question was primarily the result of the persistent and creative efforts of Phyllis Kauffman, MLS, a research librarian at the University of Wisconsin Center for Health Sciences Library in Madison.According to Dr Kenneth Iserson,1 the use of gauge sizes originated in England in the early 1800s. Peter Stubs was the founder of a company that manufactured nails, pins, and wire. His firm developed the Birmingham or Stubs Iron Wire Gauge, a sizing system that arbitrarily designated 41 size divisions ranging from 5/0 (or 00000) gauge (0.5000-in diameter) to 36 gauge (0.0040-in diameter). The gauge size of 1 is 0.3000 in in diameter, while larger diameters are designated as 1/0, 2/0, etc, up to 5/0 at a diameter of 0.5000 in. The smaller diameters range from 1 gauge at 0.3000 in to 36 gauge at 0.0040 in in diameter. The

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