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This project involves the design of an active needle with enhanced mobility, flexibility, and control within tissues during diagnostic and percutaneous medical procedures. The design utilizes the shape memory, super-elastic, and thermo-mechanical properties of Nitinol, a smart memory alloy (SMA) made of nickel and titanium, to construct a steerable needle during insertion. The design of the needle...
The accuracy of many needle-based therapeutic procedures depends on the placement of the needle tip to desired locations. In many of these procedures, lack of actuation and dexterity of the device limits the surgeon's capability to compensate for the probable errors. To overcome these limitations shape memory alloy (SMA) wire actuators were attached to the needle body to provide contraction forces...
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