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Tower Microneedle Via Reverse Drawing Lithography for Innocuous Intravitreal Drug Delivery
Author(s) -
Lee Chang Yeol,
Lee Kwang,
You Yong Sung,
Lee Sung Ho,
Jung Hyungil
Publication year - 2013
Publication title -
advanced healthcare materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.288
H-Index - 90
eISSN - 2192-2659
pISSN - 2192-2640
DOI - 10.1002/adhm.201200239
Subject(s) - hypodermic needle , lithography , computer science , bevel , engineering drawing , materials science , mechanical engineering , engineering , optoelectronics , syringe
The “tower microneedle” (TM) via reverse drawing lithography for intravitreal injection by fabricating a long hollow microneedle on the blunt hypodermic needle: The hollow hole between the microneedle and hypodermic needle is aligned concentrically, and fifteen degree bevel angle is introduced to TM by laser cutting to achieve intravitreal injection with minimal damage to eye tissue.