| dc.description.abstract |
A MEMS based Implantable Drug Delivery System (IDDS ) is discussed . The heart of the system is an in -plane MEMS micropump enables us to make a compact , inexpensive system . A conceptual IDDS design is proposed . This design consists of an implantable unit which houses the micropump , electronic and power circuitry . This implantable unit is connected to a subcutaneous port via a silicone catheter . The subcutaneous port acts as a refillable reservoir . This leads to a reduction in unit volume and makes the system customizable . The IDDS pumps drug into surrounding tissue with the help of a MEMS -based micropump . The force generated by the MEMS actuator and the displacement of the tip is determined with the help of FEM simulations using ANSYS . The results from the displacement were verified experimentally . A lumped parameter model was made to estimate the flow rate through the outlet of the IDDS .
Microfluidic interconnects to the micropump were fabricated and packaged . Packaging of interconnects uses processes like anodic bonding , microdrilling and fibre alignment .
Future work will be focused on refining the IDDS model , conducting experiments to measure tip -force of pump actuators , experimental measurement of the flow generated , and implementation of electronic , RF and power components of the IDDS . |
en_US |