Disposable vaginal speculum

摘要: A two-piece vaginal speculum has upper and lower blade members pivotally connected to each other by a slot pin arrangement for relative pivotal spatial adjustment of the members. Slots are formed in sides member, trunnions with lugs directed outwardly through slots on member. Cheek plates member have ribs therein selective engagement teeth cheek sides. The extend direction generally parallel slots, achieve sliding so that position trunnion can be moved from one another set notches slots. rib engaging surfaces which back angled at about seven degrees compressive forces patient's wall blades will urge tooth, their supporting plates, into engagement. lug similarly angled. yoke permits elevational up or down under practitioner's thumb pressure.