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Journal Articles

Fatigue Analysis of Nitinol Peripheral Artery Stents Under Complex Loads

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Yanlong Chen, Haiquan Feng, Hailu Zhang, Juan Su, Lin Wang
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2025, 19(1): 011003.
Paper No: MED-24-1087
https://doi.org/10.1115/1.4066698
Published Online: October 22, 2024
View Articletitled, Fatigue Analysis of Nitinol Peripheral Artery Stents Under Complex Loads
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Topics: Fracture (Materials), Stents, Stress, Deformation, Nickel titanium alloys, Fatigue life, Fatigue, Fatigue strength
Journal Articles

Mechanical Viability and Functionality Assessment of a New Sutureless Endoluminal Microvascular Device: A Preliminary In Vivo Rabbit Study

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Jordi Descarrega, Joan Fontdevila, Erica Segura, Héctor Oyonate, German Bellemi, Brittany Taylor
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Design Innovation Paper
J. Med. Devices. March 2025, 19(1): 015002.
Paper No: MED-24-1041
https://doi.org/10.1115/1.4066555
Published Online: October 22, 2024
View Articletitled, Mechanical Viability and Functionality Assessment of a New Sutureless Endoluminal Microvascular Device: A Preliminary In Vivo Rabbit Study
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Topics: Engineering prototypes, Nickel titanium alloys, Shapes, Surgery, Thrombosis, Vessels, Temperature
Journal Articles

The Development of a Novel Peristaltic Test Stand “Swallow-Sim” for the Mechanical Evaluation of Esophageal Stents

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Daniel Michael Berger, Jan T. Sehrt, Thomas Brinkmann, Niclas Norman Henrichs, Oguzhan Bilec, Karl-Hermann Fuchs, Alexander Meining
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2024, 18(3): 031005.
Paper No: MED-24-1032
https://doi.org/10.1115/1.4065906
Published Online: July 30, 2024
View Articletitled, The Development of a Novel Peristaltic Test Stand “Swallow-Sim” for the Mechanical Evaluation of Esophageal Stents
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Topics: Stents, Temperature, Nickel titanium alloys, Manometry
Journal Articles

A Modular Nitinol Model With Lode Angle-Based Asymmetry and Improved Representation of the Superelastic Loops for Medical Device Applications

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John Mould, Alex Kelly, Ash Peterson, Nuno Rebelo
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. June 2024, 18(2): 024501.
Paper No: MED-23-1125
https://doi.org/10.1115/1.4065513
Published Online: May 30, 2024
View Articletitled, A Modular Nitinol Model With Lode Angle-Based Asymmetry and Improved Representation of the Superelastic Loops for Medical Device Applications
Open the PDF for A Modular Nitinol Model With Lode Angle-Based Asymmetry and Improved Representation of the Superelastic Loops for Medical Device Applications in another window
Topics: Compression, Medical devices, Tension, Nickel titanium alloys, Shear (Mechanics), Stress
Journal Articles

Design and Testing of a Superelastic Nitinol Tissue Attachment Mechanism for Long-Term Gastrointestinal Device Retention

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Musharrat Mustaree Mau, Sunandita Sarker, Seth Harris, Benjamin S. Terry
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. June 2023, 17(2): 021005.
Paper No: MED-22-1110
https://doi.org/10.1115/1.4057058
Published Online: April 17, 2023
View Articletitled, Design and Testing of a Superelastic Nitinol Tissue Attachment Mechanism for Long-Term Gastrointestinal Device Retention
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Topics: Biological tissues, Design, Nickel titanium alloys
Journal Articles

Design and Validation of a Steerable Port Delivery Cannula System for Laser Interstitial Thermal Therapy

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Nnaoma Agwu, Eric Leuthardt, Jenna Gorlewicz
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2023, 17(1): 011006.
Paper No: MED-22-1019
https://doi.org/10.1115/1.4056504
Published Online: January 11, 2023
View Articletitled, Design and Validation of a Steerable Port Delivery Cannula System for Laser Interstitial Thermal Therapy
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Topics: Biological tissues, Brain, Design, Gates (Closures), Lasers, Patient treatment, Phantoms, Probes, Testing, Relaxation (Physics)
Journal Articles

DynaRing: A Patient-Specific Mitral Annuloplasty Ring With Selective Stiffness Segments

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Samuel Frishman, Ali Kight, Ileana Pirozzi, Sainiteesh Maddineni, Annabel M. Imbrie-Moore, Zulekha Karachiwalla, Michael J. Paulsen, Alexander D. Kaiser, Y. Joseph Woo, Mark R. Cutkosky
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2022, 16(3): 031009.
Paper No: MED-21-1009
https://doi.org/10.1115/1.4054445
Published Online: May 18, 2022
View Articletitled, DynaRing: A Patient-Specific Mitral Annuloplasty Ring With Selective Stiffness Segments
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Topics: Annulus, Design, Dynamics (Mechanics), Fatigue testing, Optimization, Stiffness, Valves, Cycles, Nickel titanium alloys, Shapes
Journal Articles

Finite Element Analysis and Bench Testing of Ventricular Septal Defect Occluder

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Yiming Li, Chengli Song, Kun Sun
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2022, 16(3): 031002.
Paper No: MED-21-1145
https://doi.org/10.1115/1.4054082
Published Online: March 31, 2022
View Articletitled, Finite Element Analysis and Bench Testing of Ventricular Septal Defect Occluder
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Topics: Compression, Deformation, Disks, Finite element analysis, Nickel titanium alloys, Pressure, Wire, Stress, Mechanical properties, Testing
Journal Articles

Characterization and Validation of Fatigue Strains for Superelastic Nitinol Using Digital Image Correlation

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K. Senol, H. Cao, S. Tripathy
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. December 2021, 15(4): 041005.
Paper No: MED-20-1223
https://doi.org/10.1115/1.4052012
Published Online: September 10, 2021
View Articletitled, Characterization and Validation of Fatigue Strains for Superelastic Nitinol Using Digital Image Correlation
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Topics: Displacement, Fatigue, Finite element analysis, Nickel titanium alloys, Cardiovascular system
Journal Articles

Deformation Modeling of a Flexible Instrument Using a Bézier Curve

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Gudala Rajesh, Jitendra P. Khatait
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2021, 15(1): 011103.
Paper No: MED-20-1169
https://doi.org/10.1115/1.4049395
Published Online: January 8, 2021
View Articletitled, Deformation Modeling of a Flexible Instrument Using a Bézier Curve
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Topics: Deformation, Instrumentation, Modeling, Shapes, Wire, Splines, Nickel titanium alloys
Journal Articles

Feasibility of a Mitral Annuloplasty With the Capability for Peri- and Postoperative Adjustment

Open Access
Jacob Brubert, Steven Tsui, Paul De Sciscio, Geoff D. Moggridge
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Design Innovation Paper
J. Med. Devices. June 2020, 14(2): 025005.
Paper No: MED-19-1106
https://doi.org/10.1115/1.4046669
Published Online: April 10, 2020
View Articletitled, Feasibility of a Mitral Annuloplasty With the Capability for Peri- and Postoperative Adjustment
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Topics: Annulus, Biological tissues, Maintenance, Shapes, Testing, Valves, Surgery, Catheters, Heating, Alloys
Journal Articles

Inverted L-Arm Gripper Compliant Mechanism

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Jason Dearden, Clayton Grames, Brian D. Jensen, Spencer P. Magleby, Larry L. Howell
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. September 2017, 11(3): 034502.
Paper No: MED-16-1278
https://doi.org/10.1115/1.4036336
Published Online: June 27, 2017
View Articletitled, Inverted L-Arm Gripper Compliant Mechanism
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Topics: Bending (Stress), Cables, Compliant mechanisms, Deflection, Engineering prototypes, Grippers, Instrumentation, Stress, Nickel titanium alloys, Surgery
Journal Articles

The Role of Simulation in the Design of a Semi-Enclosed Tubular Embolus Retrieval

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Xuelian Gu, Yongxiang Qi, Arthur Erdman, Zhonghua Li
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. June 2017, 11(2): 021001.
Paper No: MED-16-1241
https://doi.org/10.1115/1.4036286
Published Online: May 3, 2017
View Articletitled, The Role of Simulation in the Design of a Semi-Enclosed Tubular Embolus Retrieval
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Topics: Catheters, Design, Finite element analysis, Nickel titanium alloys, Shapes, Simulation, Numerical analysis, Annealing, Stress, Blood vessels
Journal Articles

Simplified Multistage Computational Approach to Assess the Fatigue Behavior of a Niti Transcatheter Aortic Valve During In Vitro Tests: A Proof-of-Concept Study

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Lorenza Petrini, Elena Dordoni, Dario Allegretti, Desiree Pott, Maximilian Kütting, Francesco Migliavacca, Giancarlo Pennati
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. June 2017, 11(2): 021009.
Paper No: MED-16-1282
https://doi.org/10.1115/1.4035791
Published Online: May 3, 2017
View Articletitled, Simplified Multistage Computational Approach to Assess the Fatigue Behavior of a Niti Transcatheter Aortic Valve During In Vitro Tests: A Proof-of-Concept Study
Open the PDF for Simplified Multistage Computational Approach to Assess the Fatigue Behavior of a Niti Transcatheter Aortic Valve During In Vitro Tests: A Proof-of-Concept Study in another window
Topics: Durability, Fatigue, Stents, Valves, Simulation, Nickel titanium alloys
Journal Articles

Design, Fabrication, and Testing of a Needle-Sized Wrist for Surgical Instruments

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Philip J. Swaney, Peter A. York, Hunter B. Gilbert, Jessica Burgner-Kahrs, Robert J. Webster, III
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. March 2017, 11(1): 014501.
Paper No: MED-16-1191
https://doi.org/10.1115/1.4034575
Published Online: December 21, 2016
View Articletitled, Design, Fabrication, and Testing of a Needle-Sized Wrist for Surgical Instruments
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Topics: Design, Kinematics, Manufacturing, Needles, Nickel titanium alloys, Surgical tools, Tendons, Testing, Surgery, Statics
Journal Articles

In Vitro Investigation of a New Thin Film Nitinol-Based Neurovascular Flow Diverter

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M. H. Babiker, Y. Chun, B. Roszelle, W. Hafner, H. Y. Farsani, L. F. Gonzalez, F. Albuquerque, C. Kealey, D. S. Levi, G. P. Carman, D. H. Frakes
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. December 2016, 10(4): 044506.
Paper No: MED-15-1153
https://doi.org/10.1115/1.4033015
Published Online: September 12, 2016
View Articletitled, In Vitro Investigation of a New Thin Film Nitinol-Based Neurovascular Flow Diverter
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Topics: Flow (Dynamics), Nickel titanium alloys, Thin films, Aneurysms
Journal Articles

A Biologically Inspired Knee Actuator for a KAFO

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Feng Tian, Mohamed Samir Hefzy, Mohammad Elahinia
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Design Innovation Paper
J. Med. Devices. December 2016, 10(4): 045001.
Paper No: MED-15-1258
https://doi.org/10.1115/1.4033009
Published Online: August 11, 2016
View Articletitled, A Biologically Inspired Knee Actuator for a KAFO
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Topics: Actuators, Knee, Cycles, Nickel titanium alloys
Journal Articles

Curving Clinical Biopsy Needles: Can We Steer Needles and Still Obtain Core Biopsy Samples?

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Patrick S. Wellborn, Philip J. Swaney, Robert J. Webster, III
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. September 2016, 10(3): 030904.
Paper No: MED-16-1101
https://doi.org/10.1115/1.4033783
Published Online: August 1, 2016
View Articletitled, Curving Clinical Biopsy Needles: Can We Steer Needles and Still Obtain Core Biopsy Samples?
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Topics: Bending (Stress), Needles, Biological tissues, Nickel titanium alloys
Journal Articles

Failure Mode Analysis and Design Optimization of a Nitinol Framed Hernia Repair Device

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Richard Oliphant, Art Erdman
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Special Section Technical Briefs
J. Med. Devices. June 2016, 10(2): 020965.
Paper No: MED-16-1183
https://doi.org/10.1115/1.4033286
Published Online: May 12, 2016
View Articletitled, Failure Mode Analysis and Design Optimization of a Nitinol Framed Hernia Repair Device
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Topics: Design, Failure mechanisms, Maintenance, Nickel titanium alloys, Optimization
Journal Articles

An Access-Closure Device for Percutaneous Beating Heart Surgery

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Ronit E. Malka, Michelle H. Rosen, Seul Ku, Patrick Thornycroft, Joshua B. Gafford, Donal Holland, Nikolay Vasilyev, Pedro del Nido, Conor J. Walsh
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. June 2015, 9(2): 020910.
Paper No: MED-15-1045
https://doi.org/10.1115/1.4030118
Published Online: June 1, 2015
View Articletitled, An Access-Closure Device for Percutaneous Beating Heart Surgery
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Topics: Sealing (Process), Surgery, Nickel titanium alloys, Catheters, Springs, Testing, Suction