A device and method are disclosed for placing an object into a body cavity, the device comprising an applicator body, lubricating apparatus, and movement apparatus, wherein the lubricating apparatus and the movement apparatus may comprise a single plunger, whereby the object is placed into the device,...http://www.google.es/patents/US4421504?utm_source=gb-gplus-sharePatente US4421504 - Lubricating object injector utilizing a single plunger
Lubricating object injector utilizing a single plunger
