发明名称 |
HOLLOW MICRONEEDLE WITH BEVELED TIP |
摘要 |
An article having at least one microneedle (160, 260) is provided. The microneedle includes a base (162), an elongated body (161) having a central axis (130) and a body diameter (168), a tip portion (166), and a hollow channel (170). The a tip portion includes a tip (164), a first bevel face (140) oriented diagonally with respect to the central axis and extending through at least 75% of the body diameter, a second bevel face (146) oriented substantially perpendicular to the central axis and intersecting the first bevel face, and a bevel opening defined by a first edge (174) of the first bevel face and a second edge (176) of the second bevel face. The hollow channel extends axially into the body from the bevel opening (172). |
申请公布号 |
US2016136406(A1) |
申请公布日期 |
2016.05.19 |
申请号 |
US201414904975 |
申请日期 |
2014.07.10 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
BERRY DENNIS G.;MARTINSON PAUL A.;SIMMERS RYAN PATRICK |
分类号 |
A61M37/00;B28B1/24;B29C45/26 |
主分类号 |
A61M37/00 |
代理机构 |
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代理人 |
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主权项 |
1. An article, comprising:
at least one microneedle, the at least one microneedle comprising:
a base;an elongated body having a central axis and a body diameter;a tip portion comprising a tip, a first bevel face oriented diagonally with respect to the central axis and extending through about 75% to about 95% of the body diameter, a second bevel face oriented substantially perpendicular to the central axis and intersecting the first bevel face, a bevel opening defined by a first edge of the first bevel face and a second edge of the second bevel face; anda hollow channel that extends axially into the body from the bevel opening; wherein the second bevel face extends through no more than about 25% of the body diameter. |
地址 |
Saint Paul MN US |