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To the Editor:
—In The Journal, May 9, 1908, I contributed a paper entitled "Practical Cystoscopy," incidentally describing and explaining therein my latest model of examining and catheterizing cystoscope, named the "universal," which had first been introduced in 1906. In the paper I failed to mention the name of the manufacturers of the instrument, which, in the light of subsequent events, I believe to have been an unfortunate mistake on my part.In attending the Chicago session of the Association, a month after the publication of the paper, my attention was called by a surgeon friend to several practically worthless cystoscopes being offered for sale by some of the exhibiting dealers under the name, the "Bransford Lewis Universal Cystoscope." We examined a number of these instruments and found them to be inaccurate and lacking in every particular in the attainment of the several objects supplied by the instruments being made
Lewis B. Patenting Surgical Devices. JAMA. 1909;LII(4):313–314. doi:10.1001/jama.1909.02540300053014
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