US 9,808,401 B2
Exposure-preventing cap
Shunji Ishiwata, Higashiosaka (JP); Atsushi Taga, Higashiosaka (JP); Shozo Nishida, Higashiosaka (JP); Ayako Kita, Higashiosaka (JP); Reiko Sugiura, Higashiosaka (JP); Hideki Fujita, Osaka (JP); and Mitsuru Hasegawa, Osaka (JP)
Assigned to KINKI UNIVERSITY, Osaka (JP); GTO, LTD., Osaka (JP); and NIPRO CORPORATION, Osaka (JP)
Appl. No. 14/403,362
Filed by KINKI UNIVERSITY, Higashiosaka-shi, Osaka (JP); GTO, LTD., Osaka-shi, Osaka (JP); and NIPRO CORPORATION, Osaka-shi, Osaka (JP)
PCT Filed May 15, 2013, PCT No. PCT/JP2013/003098
§ 371(c)(1), (2) Date Nov. 24, 2014,
PCT Pub. No. WO2013/179596, PCT Pub. Date Dec. 5, 2013.
Claims priority of application No. 2012-124149 (JP), filed on May 31, 2012.
Prior Publication US 2015/0112296 A1, Apr. 23, 2015
Int. Cl. A61J 1/14 (2006.01); B65D 51/00 (2006.01); A61J 1/20 (2006.01)
CPC A61J 1/1443 (2013.01) [A61J 1/1406 (2013.01); A61J 1/1425 (2015.05); B65D 51/002 (2013.01); A61J 1/145 (2015.05); A61J 1/1456 (2015.05); A61J 1/1468 (2015.05); A61J 1/2096 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An exposure-preventing cap configured to mount on a mouth of a vial sealed with a rubber stopper, comprising:
a cap-shaped housing configured to attach to the mouth of the vial and having a puncturing hole formed in a center part thereof; and
at least one rubber membrane 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 having a dome shape that is convex facing the rubber stopper, wherein a radially center part of the rubber membrane has a top side concave surface and a lower side convex surface as a spherical crown.