发明名称 |
MEDICAL SYRINGE, GASKET FOR USE IN THE SYRINGE, AND GASKET PRODUCTION METHOD |
摘要 |
A gasket (13) for use in a medical syringe is provided, which includes a main body (14) made of an elastic material, and a lamination film (15) provided on a surface of the main body (14). The gasket (13) has a circumferential surface portion (17) to be kept in contact with an inner peripheral surface of a syringe barrel (11) of the syringe. The gasket (13) has a groove (22) provided in the circumferential surface portion (17) thereof as extending circumferentially thereof. The groove (22) has a depth of not less than 0.8D (µm), preferably not less than D (µm), wherein D (µm) is the thickness of a portion of the lamination film (15) present in the circumferential surface portion (17) of the gasket (13). |
申请公布号 |
EP3120886(A1) |
申请公布日期 |
2017.01.25 |
申请号 |
EP20160177101 |
申请日期 |
2016.06.30 |
申请人 |
Sumitomo Rubber Industries, Ltd. |
发明人 |
KANEKO, Hiroyuki;NAKANO, Hiroaki |
分类号 |
A61M5/315;B29C45/14;B32B25/08 |
主分类号 |
A61M5/315 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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