duckbill speculum

duck·bill spec·u·lum

a bivalve speculum, the blades of which are broad and flattened, resembling a duck's bill, used in inspection of the vagina and cervix.
References in periodicals archive ?
Sims Duckbill Speculum, Double Ended Small 27 Mm X 29 Mm, 130 Mm Is 5849
Sims Duckbill Speculum, Double Ended Medium 30mm X 33mm, 158mm Is 5849
Sims Duckbill Speculum, Double Ended Large 33mm X 38mm, 184mm Is 5849