Exposure-preventing cap
US9808401B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 15, 2013 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | May 11, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J1/2096
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is an exposure-preventing cap of a novel and simple structure that, by being mounted on a vial, can more reliably inhibit leaking of drug solution to an outside when pulling out and collecting drug solution in a syringe from the vial. An exposure-preventing cap, which is mounted on a mouth of a vial sealed with a rubber stopper, wherein a puncturing hole is formed in a center part of a cap-shaped housing that is attached to a mouth of the vial, and a rubber membrane is arranged at the puncturing hole so as to form an internal space between facing surfaces of the rubber membrane and the rubber stopper. The rubber membrane has a dome shape that is convex facing the rubber stopper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.