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Journal Articles

A Model to Predict Deflection of an Active Tendon-Driven Notched Needle Inside Soft Tissue

Blayton Padasdao, Bardia Konh
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Article Type: Research-Article
Publisher: ASME
ASME J of Medical Diagnostics. February 2024, 7(1): 011006.
Paper No: JESMDT-23-1037
https://doi.org/10.1115/1.4063205
Published Online: September 26, 2023
View Article titled, A Model to Predict Deflection of an Active Tendon-Driven Notched Needle Inside Soft Tissue
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Topics: Biological tissues, Deflection, Needles, Tendons
Proceedings Papers

SYSTEMATIC 12-CORE TRANSPERINEAL PROSTATE BIOPSY WITH MINIMAL ACTIVE NEEDLE INSERTIONS IN A PATIENT PROSTATE-SIZED PHANTOM

Blayton Padasdao, Bardia Konh
Proc. ASME. DMD2023, 2023 Design of Medical Devices Conference, V001T10A003, April 17–19, 2023
Paper No: DMD2023-3205
https://doi.org/10.1115/DMD2023-3205
View Paper titled, SYSTEMATIC 12-CORE TRANSPERINEAL PROSTATE BIOPSY WITH MINIMAL ACTIVE NEEDLE INSERTIONS IN A PATIENT PROSTATE-SIZED PHANTOM
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Proceedings Papers

DESIGN OF AN MRI-COMPATIBLE ROBOT FOR IMAGE-GUIDED NEEDLE INSERTION PROCEDURES USING ACTIVE TENDON-DRIVEN NEEDLES

Samuel Lafreniere, Olivia Lee Sprouse, Ryan Justin Padilla, Bardia Konh
Proc. ASME. DMD2023, 2023 Design of Medical Devices Conference, V001T10A002, April 17–19, 2023
Paper No: DMD2023-2247
https://doi.org/10.1115/DMD2023-2247
View Paper titled, DESIGN OF AN MRI-COMPATIBLE ROBOT FOR IMAGE-GUIDED NEEDLE INSERTION PROCEDURES USING ACTIVE TENDON-DRIVEN NEEDLES
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Proceedings Papers

MINIMALISTIC DESIGN OF AN ACTUATION DEVICE TO MANIPULATE AN ACTIVE FLEXIBLE ROBOTIC TOOL

Samuel Lafreniere, Kyle Tran, Bardia Konh
Proc. ASME. DMD2023, 2023 Design of Medical Devices Conference, V001T10A001, April 17–19, 2023
Paper No: DMD2023-1659
https://doi.org/10.1115/DMD2023-1659
View Paper titled, MINIMALISTIC DESIGN OF AN ACTUATION DEVICE TO MANIPULATE AN ACTIVE FLEXIBLE ROBOTIC TOOL
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Proceedings Papers

A Portable Robot to Perform Prostate Brachytherapy with Active Needle Steering and Robot-Assisted Ultrasound Tracking

Mahsa Rabiei, Bardia Konh
Proc. ASME. DMD2022, 2022 Design of Medical Devices Conference, V001T11A005, April 11–14, 2022
Paper No: DMD2022-1014
https://doi.org/10.1115/DMD2022-1014
View Paper titled, A Portable Robot to Perform Prostate Brachytherapy with Active Needle Steering and Robot-Assisted Ultrasound Tracking
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Topics: Cancer, Needles, Robotics, Robots, Tendons, Ultrasound
Proceedings Papers

Estimation of Tissue Movement in Needle Insertion Tasks Using an Active Needle

Blayton Padasdao, Zolboo Batsaikhan, Dailen Brown, Jason Moore, Bardia Konh
Proc. ASME. DMD2022, 2022 Design of Medical Devices Conference, V001T11A002, April 11–14, 2022
Paper No: DMD2022-1008
https://doi.org/10.1115/DMD2022-1008
View Paper titled, Estimation of Tissue Movement in Needle Insertion Tasks Using an Active Needle
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Topics: Biological tissues, Needles
Proceedings Papers

3D Shape Estimation of an Active Needle Inside Tissue Using 2D Ultrasound Images

Bardia Konh, Zolboo Batsaikhan, Blayton Padasdao
Proc. ASME. DMD2021, 2021 Design of Medical Devices Conference, V001T13A008, April 12–15, 2021
Paper No: DMD2021-1053
https://doi.org/10.1115/DMD2021-1053
View Paper titled, 3D Shape Estimation of an Active Needle Inside Tissue Using 2D Ultrasound Images
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Topics: Biological tissues, Needles, Shapes, Ultrasound
Journal Articles

Design, Fabrication, and Testing of a Flexible Three-Dimensional Printed Percutaneous Needle With Embedded Actuators

Zahra K. Varnamkhasti, Bardia Konh
Journal: Journal of Medical Devices
Article Type: Research-Article
J. Med. Devices. June 2021, 15(2): 021007.
Paper No: MED-20-1094
https://doi.org/10.1115/1.4049398
Published Online: January 8, 2021
View Article titled, Design, Fabrication, and Testing of a Flexible Three-Dimensional Printed Percutaneous Needle With Embedded Actuators
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Topics: Needles, Biological tissues, Deflection, Actuators
Journal Articles

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

Blayton Padasdao, Bardia Konh
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2021, 143(2): 021003.
Paper No: MANU-20-1180
https://doi.org/10.1115/1.4047737
Published Online: October 7, 2020
View Article titled, Shape Memory Alloy Actuators in an Active Needle—Modeling, Precise Assembly, and Performance Evaluation
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Topics: Actuators, Needles, Shape memory alloys, Manufacturing
Proceedings Papers

Dynamic Characteristics Analysis and FEM Modeling of Flexible Joints of an SMA-Activated Flexible Multi-Joint Needle

Saeed Karimi, Bardia Konh
Proc. ASME. DMD2020, 2020 Design of Medical Devices Conference, V001T06A010, April 6–9, 2020
Paper No: DMD2020-9097
https://doi.org/10.1115/DMD2020-9097
View Paper titled, Dynamic Characteristics Analysis and FEM Modeling of Flexible Joints of an SMA-Activated Flexible Multi-Joint Needle
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Topics: Finite element methods, Modeling, Needles, Shape memory alloys
Proceedings Papers

Cable-Driven 3D Steerable Surgical Needle for Needle-Based Procedures

Zahra Khashei Varnamkhasti, Bardia Konh
Proc. ASME. DMD2020, 2020 Design of Medical Devices Conference, V001T06A008, April 6–9, 2020
Paper No: DMD2020-9072
https://doi.org/10.1115/DMD2020-9072
View Paper titled, Cable-Driven 3D Steerable Surgical Needle for Needle-Based Procedures
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Topics: Cables, Needles, Surgery
Journal Articles

Design and Performance Study of a Novel Minimally Invasive Active Surgical Needle

Zahra Khashei Varnamkhasti, Bardia Konh
Journal: Journal of Medical Devices
Article Type: Research-Article
J. Med. Devices. December 2019, 13(4): 041006.
Paper No: MED-19-1047
https://doi.org/10.1115/1.4044526
Published Online: October 9, 2019
View Article titled, Design and Performance Study of a Novel Minimally Invasive Active Surgical Needle
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Topics: Needles, Deflection
Proceedings Papers

3D Steerable Active Surgical Needle

Saeed Karimi, Bardia Konh
Proc. ASME. DMD2019, 2019 Design of Medical Devices Conference, V001T06A015, April 15–18, 2019
Paper No: DMD2019-3307
https://doi.org/10.1115/DMD2019-3307
View Paper titled, 3D Steerable Active Surgical Needle
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Topics: Needles, Surgery, Actuators, Navigation, Performance, Shape memory alloys, Soft tissues
Proceedings Papers

Ultrasound Needle Tracking Inside a Soft Phantom and Methods to Improve the Needle Tip Visualization

Zahra Khashei Varnamkhasti, Bardia Konh, Omid Haji Maghsoudi, Yan Yu, Lydia Liao
Proc. ASME. DMD2019, 2019 Design of Medical Devices Conference, V001T06A012, April 15–18, 2019
Paper No: DMD2019-3299
https://doi.org/10.1115/DMD2019-3299
View Paper titled, Ultrasound Needle Tracking Inside a Soft Phantom and Methods to Improve the Needle Tip Visualization
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Topics: Needles, Phantoms, Ultrasound, Visualization, Ablation (Vaporization technology), Machinery, Surgery, Transparency
Proceedings Papers

SMA Wire Characterization for 3D Steerable Active Devices

Saeed Karimi, Bardia Konh, Hashem Ashrafiuon
Proc. ASME. DMD2018, 2018 Design of Medical Devices Conference, V001T07A003, April 9–12, 2018
Paper No: DMD2018-6856
https://doi.org/10.1115/DMD2018-6856
View Paper titled, SMA Wire Characterization for 3D Steerable Active Devices
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Topics: Aerospace industry, Biocompatibility, Biomedicine, Shape memory alloys, Shape memory effects, Shapes, Smart materials, Temperature, Wire
Proceedings Papers

Finite Element Studies of Triple Actuation of Shape Memory Alloy Wires for Surgical Tools

Bardia Konh
Proc. ASME. DMD2018, 2018 Design of Medical Devices Conference, V001T07A004, April 9–12, 2018
Paper No: DMD2018-6857
https://doi.org/10.1115/DMD2018-6857
View Paper titled, Finite Element Studies of Triple Actuation of Shape Memory Alloy Wires for Surgical Tools
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Topics: Finite element analysis, Shape memory alloys, Surgical tools, Wire, Design, Aerospace industry, Biomedicine, Engineering systems and industry applications, Heart valve prostheses, Materials properties
Proceedings Papers

Design and Fabrication of a MirtaClip Locator Prototype for Percutaneous Transcatheter Mitral Valve Repair System

Bardia Konh, Russell K. Woo, Scott Miller
Proc. ASME. DMD2017, 2017 Design of Medical Devices Conference, V001T01A011, April 10–13, 2017
Paper No: DMD2017-3468
https://doi.org/10.1115/DMD2017-3468
View Paper titled, Design and Fabrication of a MirtaClip Locator Prototype for Percutaneous Transcatheter Mitral Valve Repair System
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Topics: Design, Engineering prototypes, Maintenance, Manufacturing, Valves, Surgery, Wire, Blood flow, Diseases, Leakage
Proceedings Papers

Design and Fabrication of a Robust Active Needle Using SMA Wires

Bardia Konh, Tarun K. Podder
Proc. ASME. DMD2017, 2017 Design of Medical Devices Conference, V001T08A021, April 10–13, 2017
Paper No: DMD2017-3470
https://doi.org/10.1115/DMD2017-3470
View Paper titled, Design and Fabrication of a Robust Active Needle Using SMA Wires
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Topics: Design, Manufacturing, Needles, Wire, Rupture, Biological tissues, Cancer, Deflection, Performance, Actuators
Proceedings Papers

A Real-Time Simulation for Path Planning in Needle Insertion Tasks

Bardia Konh, Parsaoran Hutapea
Proc. ASME. SMASIS2015, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Modeling, Simulation and Control of Adaptive Systems, V001T03A027, September 21–23, 2015
Paper No: SMASIS2015-9086
https://doi.org/10.1115/SMASIS2015-9086
View Paper titled, A Real-Time Simulation for Path Planning in Needle Insertion Tasks
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Topics: Needles, Path planning, Simulation, Biological tissues, Computer simulation, Computer software, Damage, Errors, Fluids, Shape memory alloys
Proceedings Papers

Design, Development and Evaluation of a Two Way Actuated Steerable Needle

Bardia Konh, Harold H. Lee, Vincent P. Martin, Vincent Zhao, Daehoon Han, Howon Lee, Parsaoran Hutapea
Proc. ASME. SMASIS2015, Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T04A022, September 21–23, 2015
Paper No: SMASIS2015-9084
https://doi.org/10.1115/SMASIS2015-9084
View Paper titled, Design, Development and Evaluation of a Two Way Actuated Steerable Needle
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Topics: Design, Needles, Surgery, Deflection, Deformation, Glass transition, Heating, Shape memory alloys, Shape memory polymers, Temperature