Functional design of porous drug delivery systems based on laser assisted manufactured nitinol

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6 Citations (Scopus)


Our previous studies proved the occurrence of the shape memory effect (SME) in a biocompatible porous nitinol (inter-metallic phase NiTi), obtained by the selective laser sintering (SLS) method. In this report we propose to use the SME peculiar to the nitinol, for a functional design of the drug delivery system and to discuss the process flow pattern. In living tissues (flesh) the elevated temperature at the disease origination leads to the nitinol pores size reduction caused by the austenite phase transformation, and to the pharmaceutical composition extrusion from the pores. And vice versa, during the cooling stage when the tissue temperature reverts to normal level, the drug intake will stop. Depending on the type of the three dimensional structure of a porous matrix (scaffold) identified at the stage of a computer-aid-design, the velocity of penetration can be controllable.

Original languageEnglish
Title of host publicationMEMS, BioMEMS and Bioelectronics - Materials and Devices
Number of pages6
Publication statusPublished - 2012
Externally publishedYes
Event2011 MRS Fall Meeting - Boston, MA, United States
Duration: 28 Nov 20112 Dec 2011

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Conference2011 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA


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