Timothy M Kowalewski

20042024
If you made any changes in Pure, your changes will be visible here soon.

Research Output 2004 2019

  • 46 Article
  • 15 Conference contribution
  • 1 Conference article
  • 1 Short survey
2019

Automated manufacturing of fiber-reinforced elastomeric enclosures for patient specific catheter robots

Hamlen, B., McDonald, G., Gilbertson, M., Ng, D. & Kowalewski, T., Jan 1 2019, Frontiers in Biomedical Devices, BIOMED - 2019 Design of Medical Devices Conference, DMD 2019. American Society of Mechanical Engineers (ASME), (Frontiers in Biomedical Devices, BIOMED - 2019 Design of Medical Devices Conference, DMD 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Catheters
Enclosures
Robots
Fibers

Conditions for reliable grip force and jaw angle estimation of da Vinci surgical tools

Stephens, T. K., O’Neill, J. J., Kong, N. J., Mazzeo, M. V., Norfleet, J. E., Sweet, R. & Kowalewski, T. M., Jan 17 2019, In : International Journal of Computer Assisted Radiology and Surgery. 14, 1, p. 117-127 11 p.

Research output: Contribution to journalArticle

Hand Strength
Jaw
Mean square error
Tissue
Neural networks

Endoscopic end-effector for foreign body retrieval using shape memory alloy

Harris, E., Buksa, J., Schuster, A., Kowalewski, T. & Abel, J., Jan 1 2019, Frontiers in Biomedical Devices, BIOMED - 2019 Design of Medical Devices Conference, DMD 2019. American Society of Mechanical Engineers (ASME), (Frontiers in Biomedical Devices, BIOMED - 2019 Design of Medical Devices Conference, DMD 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
End effectors
Shape memory effect

Practical, non-invasive measurement of urinary catheter insertion forces and motions

Safdari, A., Ling, X., Tradewell, M. B., Kowalewski, T. M. & Sweet, R. M., Jan 1 2019, Frontiers in Biomedical Devices, BIOMED - 2019 Design of Medical Devices Conference, DMD 2019. American Society of Mechanical Engineers (ASME), (Frontiers in Biomedical Devices, BIOMED - 2019 Design of Medical Devices Conference, DMD 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Catheters
Simulators
Health care
Cameras
2018
1 Citation (Scopus)

Blended shared control utilizing online identification: Regulating grasping forces of a surrogate surgical grasper

Stephens, T. K., Kong, N. J., Dockter, R. L., O’Neill, J. J., Sweet, R. M. & Kowalewski, T. M., Jun 1 2018, In : International Journal of Computer Assisted Radiology and Surgery. 13, 6, p. 769-776 8 p.

Research output: Contribution to journalArticle

Tissue
Hand Strength
Manual control
Identification (control systems)
Robotics
2 Citations (Scopus)

Da Vinci tool torque mapping over 50,000 grasps and its implications on grip force estimation accuracy

Kong, N. J., Stephens, T. K. & Kowalewski, T. M., Apr 6 2018, 2018 International Symposium on Medical Robotics, ISMR 2018. Institute of Electrical and Electronics Engineers Inc., p. 1-6 6 p. (2018 International Symposium on Medical Robotics, ISMR 2018; vol. 2018-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque
Error analysis
Robots
Force measurement
Surgery

Dynamic additive manufacturing onto free-moving human anatomy via temporal coarse/fine control

French, A., O'Neill, J., Madson, R. & Kowalewski, T. M., Apr 6 2018, 2018 International Symposium on Medical Robotics, ISMR 2018. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 1-6 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3D printers
Surgery
Printing
Skin
Deposits
1 Citation (Scopus)

Evaluation of torque measurement surrogates as applied to grip torque and jaw angle estimation of robotic surgical tools

O'Neill, J. J., Stephens, T. K. & Kowalewski, T. M., Oct 1 2018, In : IEEE Robotics and Automation Letters. 3, 4, p. 3027-3034 8 p.

Research output: Contribution to journalArticle

Torque measurement
Torque
Robotics
Angle
Sensors
6 Citations (Scopus)

Stretchable, flexible, scalable smart skin sensors for robotic position and force estimation

O’Neill, J., Lu, J., Dockter, R. & Kowalewski, T. M., Apr 1 2018, In : Sensors (Switzerland). 18, 4, 953.

Research output: Contribution to journalArticle

Robotics
robotics
Skin
sensors
Sensors
2017
3 Citations (Scopus)

3D bioprinting directly onto moving human anatomy

Oneill, J. J., Johnson, R. A., Dockter, R. L. & Kowalewski, T. M., Dec 13 2017, IROS 2017 - IEEE/RSJ International Conference on Intelligent Robots and Systems. Institute of Electrical and Electronics Engineers Inc., p. 934-940 7 p. 8202257. (IEEE International Conference on Intelligent Robots and Systems; vol. 2017-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Alginate
Biomaterials
Hydrogels
Printing
Multilayers

Biomechanics of human parietal pleura in uniaxial extension

Tenorio, L. E. M., Devine, K. J., Lee, J., Kowalewski, T. M. & Barocas, V. H., Nov 1 2017, In : Journal of the Mechanical Behavior of Biomedical Materials. 75, p. 330-335 6 p.

Research output: Contribution to journalArticle

Biomechanics
Needles
Simulators
Tissue
Medical problems
3 Citations (Scopus)

Design of a portable dynamic calibration instrument for daVinci Si tools

Kong, N. J., Stephens, T. K., O'Neill, J. J. & Kowalewski, T. M., Jan 1 2017, Frontiers in Biomedical Devices, BIOMED - 2017 Design of Medical Devices Conference, DMD 2017. American Society of Mechanical Engineers, (Frontiers in Biomedical Devices, BIOMED - 2017 Design of Medical Devices Conference, DMD 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Calibration
1 Citation (Scopus)

Laparoscopic skill classification using the two- third power law and the isogony principle

French, A. & Kowalewski, T. M., Jan 1 2017, Frontiers in Biomedical Devices, BIOMED - 2017 Design of Medical Devices Conference, DMD 2017. American Society of Mechanical Engineers, (Frontiers in Biomedical Devices, BIOMED - 2017 Design of Medical Devices Conference, DMD 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
Surgery
Workflow
Laparoscopy
Learning algorithms
Cluster Analysis
12 Citations (Scopus)

Serially Actuated Locomotion for Soft Robots in Tube-Like Environments

Gilbertson, M. D., McDonald, G., Korinek, G., Van De Ven, J. D. & Kowalewski, T. M., Apr 1 2017, In : IEEE Robotics and Automation Letters. 2, 2, p. 1140-1147 8 p., 7839247.

Research output: Contribution to journalArticle

Open Access
Locomotion
Tube
Robot
Robots
Elastomers
1 Citation (Scopus)
Benchmarking
Surgery
Minimally Invasive Surgical Procedures
Classifiers
Art

Toward inkjet additive manufacturing directly onto human anatomy

Johnson, R. A., O'Neill, J. J., Dockter, R. L. & Kowalewski, T. M., Jan 1 2017, Frontiers in Biomedical Devices, BIOMED - 2017 Design of Medical Devices Conference, DMD 2017. American Society of Mechanical Engineers, (Frontiers in Biomedical Devices, BIOMED - 2017 Design of Medical Devices Conference, DMD 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3D printers
2016
3 Citations (Scopus)

Assessing quality of unmet user needs: Effects of need statement characteristics

Schaffhausen, C. R. & Kowalewski, T. M., May 1 2016, In : Design Studies. 44, p. 1-27 27 p.

Research output: Contribution to journalArticle

User Needs
Group
rating
End Users
Rating
23 Citations (Scopus)

Crowd-Sourced Assessment of Technical Skills for Validation of Basic Laparoscopic Urologic Skills Tasks

Kowalewski, T. M., Comstock, B., Sweet, R., Schaffhausen, C., Menhadji, A., Averch, T., Box, G., Brand, T., Ferrandino, M., Kaouk, J., Knudsen, B., Landman, J., Lee, B., Schwartz, B. F., McDougall, E. & Lendvay, T. S., Jun 1 2016, In : Journal of Urology. 195, 6, p. 1859-1865 7 p.

Research output: Contribution to journalArticle

Crowdsourcing
Area Under Curve
Validation Studies
Costs and Cost Analysis

Crowdsourcing unmet clinical needs in minimally invasive surgery

Schaffhausen, C. R., Kowalewski, T. M. & Sweet, R., Sep 1 2016, In : Journal of Medical Devices, Transactions of the ASME. 10, 3, 030920.

Research output: Contribution to journalArticle

Crowdsourcing
Minimally Invasive Surgical Procedures
Surgery

Decay of tissue mechanical properties over a 24-hr period

Stephens, T. K., Harper, K. A., Brown, M. J. & Kowalewski, T. M., Sep 1 2016, In : Journal of Medical Devices, Transactions of the ASME. 10, 3, 030950.

Research output: Contribution to journalArticle

Tissue
Mechanical properties
2 Citations (Scopus)

Design of a dynamic additive manufacturing system for use on free-moving human anatomy

French, A., Oneill, J. J. & Kowalewski, T. M., Jun 1 2016, In : Journal of Medical Devices, Transactions of the ASME. 10, 2, 020941.

Research output: Contribution to journalArticle

3D printers
Anatomy
1 Citation (Scopus)

Effects of grasp frequency on the dynamics of a robotic surgical grasper

Brown, M. J., Stephens, T. K., O'Neill, J. J. & Kowalewski, T. M., Sep 1 2016, In : Journal of Medical Devices, Transactions of the ASME. 10, 3, 030957.

Research output: Contribution to journalArticle

Robotics
Hand Strength
6 Citations (Scopus)

Force analysis and modelling of soft actuators for catheter robots

Gilbertson, M., Beekman, D., Mohanty, B., Hashemi, S., Lee, S., Van De Ven, J. D. & Kowalewski, T. M., Jan 1 2016, Mechatronics; Mechatronics and Controls in Advanced Manufacturing; Modeling and Control of Automotive Systems and Combustion Engines; Modeling and Validation; Motion and Vibration Control Applications; Multi-Agent and Networked Systems; Path Planning and Motion Control; Robot Manipulators; Sensors and Actuators; Tracking Control Systems; Uncertain Systems and Robustness; Unmanned, Ground and Surface Robotics; Vehicle Dynamic Controls; Vehicle Dynamics and Traffic Control. American Society of Mechanical Engineers, (ASME 2016 Dynamic Systems and Control Conference, DSCC 2016; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Catheters
Actuators
Robots
Robotics
End effectors
2 Citations (Scopus)

Soft passive valves for serial actuation in a soft hydraulic robotic catheter

Gilbertson, M. D., McDonald, G., Korinek, G., Van De Ven, J. D. & Kowalewski, T. M., Sep 1 2016, In : Journal of Medical Devices, Transactions of the ASME. 10, 3, 030931.

Research output: Contribution to journalArticle

Catheters
Robotics
Hydraulics
16 Citations (Scopus)

Validation of the AUA BLUS Tasks

Kowalewski, T. M., Sweet, R., Lendvay, T. S., Menhadji, A., Averch, T., Box, G., Brand, T., Ferrandino, M., Kaouk, J., Knudsen, B., Landman, J., Lee, B., Schwartz, B. F. & McDougall, E., Apr 1 2016, In : Journal of Urology. 195, 4, p. 998-1005 8 p.

Research output: Contribution to journalArticle

Urology
Research Ethics Committees
Task Performance and Analysis
Hand Strength
Medical Students
2015
5 Citations (Scopus)
Multivariate Analysis
37 Citations (Scopus)

Crowd-sourced assessment of technical skill: A valid method for discriminating basic robotic surgery skills

White, L. W., Kowalewski, T. M., Dockter, R. L., Comstock, B., Hannaford, B. & Lendvay, T. S., Nov 1 2015, In : Journal of Endourology. 29, 11, p. 1295-1301 7 p.

Research output: Contribution to journalArticle

Robotics
Costs and Cost Analysis
Task Performance and Analysis
Operating Rooms
Internet
38 Citations (Scopus)

Crowd-sourced assessment of technical skills: An adjunct to urology resident surgical simulation training

Holst, D., Kowalewski, T. M., White, L. W., Brand, T. C., Harper, J. D., Sorenson, M. D., Kirsch, S. & Lendvay, T. S., May 1 2015, In : Journal of Endourology. 29, 5, p. 604-609 6 p.

Research output: Contribution to journalArticle

Urology
Crowdsourcing
Robotics
Research Ethics Committees
Simulation Training
35 Citations (Scopus)

Crowd-sourced assessment of technical skills: Differentiating animate surgical skill through the wisdom of crowds

Holst, D., Kowalewski, T. M., White, L. W., Brand, T. C., Harper, J. D., Sorensen, M. D., Truong, M., Simpson, K., Tanaka, A., Smith, R. & Lendvay, T. S., Oct 1 2015, In : Journal of Endourology. 29, 10, p. 1183-1188 6 p.

Research output: Contribution to journalArticle

Crowdsourcing
Robotics
Quality Improvement
Surgical Instruments
Urinary Bladder
29 Citations (Scopus)

Crowdsourcing to assess surgical skill

Lendvay, T. S., White, L. & Kowalewski, T. M., Jan 1 2015, In : JAMA Surgery. 150, 11, p. 1086-1087 2 p.

Research output: Contribution to journalShort survey

Crowdsourcing
Physicians' Practice Patterns
Attitude of Health Personnel
Clinical Competence
Operative Surgical Procedures
Minimally Invasive Surgical Procedures
Semantics
Surgery
Labeling
Tissue
5 Citations (Scopus)
Skin
Simulators
Sensors
10 Citations (Scopus)

Large-scale needfinding: Methods of increasing user-generated needs from large populations

Schaffhausen, C. R. & Kowalewski, T. M., Jul 1 2015, In : Journal of Mechanical Design, Transactions Of the ASME. 137, 7, 71403.

Research output: Contribution to journalArticle

Cooking
Product development
Cleaning
Planning
4 Citations (Scopus)

Large scale needs-based open innovation via automated semantic textual similarity analysis

Schaffhausen, C. R. & Kowalewski, T. M., Jan 1 2015, 27th International Conference on Design Theory and Methodology. American Society of Mechanical Engineers (ASME), (Proceedings of the ASME Design Engineering Technical Conference; vol. 7).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Semantic Similarity
Innovation
Semantics
Pearson Correlation
Semantic Analysis
16 Citations (Scopus)

Practical, stretchable smart skin sensors for contact-aware robots in safe and collaborative interactions

O'Neill, J., Lu, J., Dockter, R. & Kowalewski, T., Jun 29 2015, In : Proceedings - IEEE International Conference on Robotics and Automation. 2015-June, June, p. 624-629 6 p., 7139244.

Research output: Contribution to journalConference article

Skin
Robots
Sensors
Human robot interaction
Robotics
5 Citations (Scopus)

Tissue identification through back end sensing on da Vinci EndoWrist surgical tool

Stephens, T. K., Meier, Z. C., Sweet, R. M. & Kowalewski, T. M., Jan 1 2015, In : Journal of Medical Devices, Transactions of the ASME. 9, 3, 030939.

Research output: Contribution to journalArticle

Tissue
1 Citation (Scopus)
Spectrum Analysis
Spectroscopy
2014
4 Citations (Scopus)

A fast, low-cost, computer vision approach for tracking surgical tools

Dockter, R., Sweet, R. & Kowalewski, T. M., Oct 31 2014, IROS 2014 Conference Digest - IEEE/RSJ International Conference on Intelligent Robots and Systems. Institute of Electrical and Electronics Engineers Inc., p. 1984-1989 6 p. 6942826. (IEEE International Conference on Intelligent Robots and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computer vision
Costs
Endoscopy
Robotics
Hough transforms
Benchmarking
Robotics
Computer vision
Benchmarking
Robotics
Computer vision
19 Citations (Scopus)

Beyond task time: Automated measurement augments fundamentals of laparoscopic skills methodology

Kowalewski, T. M., White, L. W., Lendvay, T. S., Jiang, I. S., Sweet, R., Wright, A., Hannaford, B. & Sinanan, M. N., Dec 1 2014, In : Journal of Surgical Research. 192, 2, p. 329-338 10 p.

Research output: Contribution to journalArticle

Curriculum
Cross-Sectional Studies
Safety
70 Citations (Scopus)

Crowd-sourced assessment of technical skills: A novel method to evaluate surgical performance

Chen, C., White, L., Kowalewski, T. M., Aggarwal, R., Lintott, C., Comstock, B., Kuksenok, K., Aragon, C., Holst, D. & Lendvay, T., Mar 1 2014, In : Journal of Surgical Research. 187, 1, p. 65-71 7 p.

Research output: Contribution to journalArticle

Robotics
Confidence Intervals
Crowdsourcing
Language
Research Ethics Committees
Calibration
1 Citation (Scopus)
Surgical Instruments
Costs and Cost Analysis
Costs
3 Citations (Scopus)

Medical simulators for developing countries via low-cost two-dimensional position tracking

Walz, R., Meier, Z., Winek, M. & Kowalewski, T. M., Jan 1 2014, In : Journal of Medical Devices, Transactions of the ASME. 8, 3, 030949.

Research output: Contribution to journalArticle

Developing countries
Developing Countries
Simulators
Costs and Cost Analysis
Costs
6 Citations (Scopus)
Human robot interaction
Robotics
Anatomy
4 Citations (Scopus)

Online identification of abdominal tissues in vivo for tissue-aware and injury-avoiding surgical robots

Sie, A., Winek, M. & Kowalewski, T. M., Oct 31 2014, IROS 2014 Conference Digest - IEEE/RSJ International Conference on Intelligent Robots and Systems. Institute of Electrical and Electronics Engineers Inc., p. 2036-2042 7 p. 6942834. (IEEE International Conference on Intelligent Robots and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tissue
Extended Kalman filters
Dynamic models
Robotics
Robotic surgery
2 Citations (Scopus)

Real-time tissue differentiation using fiber optic sensing in laser catheters

Beekman, D., Bijadi, S. & Kowalewski, T. M., Jan 1 2014, In : Journal of Medical Devices, Transactions of the ASME. 8, 3, 030934.

Research output: Contribution to journalArticle

Catheters
Fiber optics
Lasers
Tissue

Towards crowd-based needfinding in medical device development

Schaffhausen, C. R. & Kowalewski, T. M., Jan 1 2014, In : Journal of Medical Devices, Transactions of the ASME. 8, 3, 030903.

Research output: Contribution to journalArticle

Equipment and Supplies