Hollow microneedle with beveled tip
First Claim
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; and
a 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; and
wherein the first bevel face intersects the elongated body at the tip to form a sharp edge at the tip.
5 Assignments
0 Petitions
Accused Products
Abstract
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).
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Citations
18 Claims
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1. An article, comprising:
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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; and a 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; and wherein the first bevel face intersects the elongated body at the tip to form a sharp edge at the tip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification