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In making immediate postdelivery examinations and repair work, I have for the last two years used a vaginal speculum, designed by myself, which I have found to possess a practical value that warrants its recommendation.
All vaginal specula and retractors that had previously come into my hand were, with one exception, designed and constructed for gynecologic use. It occurred to me that there should be a marked distinction in the design of gynecologic and obstetric specula. At a postdelivery examination, the speculum or retractor should be an instrument that will permit spacious exposure and at the same time be as nontraumatizing as possible, because one is dealing with tissues that have already undergone a large degree of traumatization.
With these two points in mind, I had the instrument made that is shown in Figure 1. It might be spoken of as a modified ribbon retractor, the short, or retractor arm,
McCormick CO. A NEW OBSTETRIC VAGINAL SPECULUM. JAMA. 1925;85(16):1222. doi:10.1001/jama.1925.26710160004010d
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