Patent ID: 8444610

Claim:
An assembly for holding and dispensing a medical liquid, comprising: a vessel ( 4 ) for containing the liquid, the vessel ( 4 ) having a neck ( 14 ); a dispensing dropper end fitting ( 6 ) disposed at an end of the neck ( 14 ), the end fitting ( 6 ) and the vessel ( 4 ) configured to allow the liquid to be dispensed drop by drop by squeezing the vessel ( 4 ) between fingers of one hand; a cap ( 8 ) for closing the vessel ( 4 ), configured to be screwed onto the neck ( 14 ); and a first-opening indicator comprised of a tamper-evident band ( 10 ) connected to the cap ( 8 ) by a brittle region ( 52 ) configured to break when the cap ( 8 ) is first opened, wherein the vessel is suitable to contain an ophthalmic medical liquid of collyrium type, wherein the cap ( 8 ) and the neck ( 14 ) have a safety device configured to prevent the cap ( 8 ) from being unscrewed from an application of an unscrewing torque alone, and to allow the cap ( 8 ) to be unscrewed when an additional action is applied together with the unscrewing torque for unscrewing the cap ( 8 ), and wherein the vessel ( 4 ) and the cap ( 8 ) are each made from low-density polyethylene (LDPE) and high-density polyethylene (HDPE), the cap ( 8 ) having a greater proportion by mass of high-density polyethylene (HDPE) to low-density polyethylene (LDPE) than that of the vessel ( 4 ).