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    Shape Memory Alloy Actuators in an Active Needle—Modeling, Precise Assembly, and Performance Evaluation

    Source: Journal of Manufacturing Science and Engineering:;2020:;volume( 143 ):;issue: 002::page 021003-1
    Author:
    Padasdao, Blayton
    ,
    Konh, Bardia
    DOI: 10.1115/1.4047737
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Today, several medical diagnosis and therapeutic cancer interventions are performed using needles via percutaneous surgical procedures. The success of these procedures highly depends on accurate placement of the needle tip at target positions. Improving targeting accuracy necessitates improvements in medical imaging and needle steering techniques. The former provides an improved vision on the target (i.e., cancerous tissue) and the needle, while the latter enables an enhanced interventional tool. In spite of considerable advancements in the medical imaging field, structure of the needle itself has remained unchanged. In the past decade, research works have suggested passive or active navigation of the needle inside the tissue to improve targeting accuracy. In addition, to provide actuation and control for needle steering, an active needle has been introduced activated by shape memory alloy (SMA) actuators. However, actuation of SMAs is complex due to their nonlinear and hysteresis behavior that depends on stress, strain, and temperature during operation. This work studies rapid manufacturing (via 3D printing), precise assembly, and performance evaluation of multiple distributed SMA actuators in an active flexible needle. The interactive response of the SMA actuators was investigated using experimental tests, constitutive material model, and kinematics of the active needle. It was shown that with proper installation of SMA actuators on the active needle, an effective manipulation can be realized in three dimensions.
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      Shape Memory Alloy Actuators in an Active Needle—Modeling, Precise Assembly, and Performance Evaluation

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    contributor authorPadasdao, Blayton
    contributor authorKonh, Bardia
    date accessioned2022-02-05T21:40:54Z
    date available2022-02-05T21:40:54Z
    date copyright10/7/2020 12:00:00 AM
    date issued2020
    identifier issn1087-1357
    identifier othermanu_143_2_021003.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4276127
    description abstractToday, several medical diagnosis and therapeutic cancer interventions are performed using needles via percutaneous surgical procedures. The success of these procedures highly depends on accurate placement of the needle tip at target positions. Improving targeting accuracy necessitates improvements in medical imaging and needle steering techniques. The former provides an improved vision on the target (i.e., cancerous tissue) and the needle, while the latter enables an enhanced interventional tool. In spite of considerable advancements in the medical imaging field, structure of the needle itself has remained unchanged. In the past decade, research works have suggested passive or active navigation of the needle inside the tissue to improve targeting accuracy. In addition, to provide actuation and control for needle steering, an active needle has been introduced activated by shape memory alloy (SMA) actuators. However, actuation of SMAs is complex due to their nonlinear and hysteresis behavior that depends on stress, strain, and temperature during operation. This work studies rapid manufacturing (via 3D printing), precise assembly, and performance evaluation of multiple distributed SMA actuators in an active flexible needle. The interactive response of the SMA actuators was investigated using experimental tests, constitutive material model, and kinematics of the active needle. It was shown that with proper installation of SMA actuators on the active needle, an effective manipulation can be realized in three dimensions.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleShape Memory Alloy Actuators in an Active Needle—Modeling, Precise Assembly, and Performance Evaluation
    typeJournal Paper
    journal volume143
    journal issue2
    journal titleJournal of Manufacturing Science and Engineering
    identifier doi10.1115/1.4047737
    journal fristpage021003-1
    journal lastpage021003-10
    page10
    treeJournal of Manufacturing Science and Engineering:;2020:;volume( 143 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian