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
Filter
Article
2019

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
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
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
3 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

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
2 Citations (Scopus)
Surgery
Workflow
Laparoscopy
Learning algorithms
Cluster Analysis
11 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
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
22 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
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
36 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
36 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
33 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
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
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
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
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
2013
5 Citations (Scopus)

A low-cost computer vision based approach for tracking surgical robotic tools

Dockter, R. & Kowalewski, T. M., Jul 3 2013, In : Journal of Medical Devices, Transactions of the ASME. 7, 3, 030917.

Research output: Contribution to journalArticle

Robotics
Computer vision
Costs and Cost Analysis
Costs

Automated electro-mechanical assessment of psychomotor skill for high-stakes certification in surgical robotics

Doud, A. J., Dockter, R., Chauhan, S., Sweet, R. & Kowalewski, T. M., Jul 3 2013, In : Journal of Medical Devices, Transactions of the ASME. 7, 3, 030931.

Research output: Contribution to journalArticle

Certification
Robotics
Tissue
Pressure
Costs and Cost Analysis
Slurries
Paint
3 Citations (Scopus)
Tissue
3 Citations (Scopus)

Surgtrak -A Universal Platform for Quantitative Surgical Data Capture

Ruda, K., Beekman, D., White, L. W., Lendvay, T. S. & Kowalewski, T. M., Jul 3 2013, In : Journal of Medical Devices, Transactions of the ASME. 7, 3, 030923.

Research output: Contribution to journalArticle

Data acquisition
52 Citations (Scopus)

Virtual reality robotic surgery warm-up improves task performance in a dry laboratory environment: A prospective randomized controlled study

Lendvay, T. S., Brand, T. C., White, L., Kowalewski, T., Jonnadula, S., Mercer, L. D., Khorsand, D., Andros, J., Hannaford, B. & Satava, R. M., Jun 1 2013, In : Journal of the American College of Surgeons. 216, 6, p. 1181-1192 12 p.

Research output: Contribution to journalArticle

Task Performance and Analysis
Robotics
Benchmarking
Minimally Invasive Surgical Procedures
Leisure Activities
2012
36 Citations (Scopus)

Content and construct validation of a robotic surgery curriculum using an electromagnetic instrument tracker

Tausch, T. J., Kowalewski, T. M., White, L. W., McDonough, P. S., Brand, T. C. & Lendvay, T. S., Sep 1 2012, In : Journal of Urology. 188, 3, p. 919-923 5 p.

Research output: Contribution to journalArticle

Electromagnetic Phenomena
Robotics
Curriculum
Credentialing
Equipment and Supplies
4 Citations (Scopus)

Exploratory visualization of surgical training databases for improving skill acquisition

Schroeder, D., Kowalewski, T. M., White, L., Carlis, J. V., Santos, E., Sweet, R., Lendvay, T. S., Keefe, D. F. & Reihsen, T., Nov 26 2012, In : IEEE Computer Graphics and Applications. 32, 6, p. 71-81 11 p., 6212421.

Research output: Contribution to journalArticle

Visualization
Surgery
Data structures
Time series
Simulators
2010
5 Citations (Scopus)

Freeing the serial mechanism designer from inverse kinematic solvability constraints

Friedman, D. C. W., Kowalewski, T., Jovanovic, R., Rosen, J. & Hannaford, B., Jan 1 2010, In : Applied Bionics and Biomechanics. 7, 3, p. 209-216 8 p.

Research output: Contribution to journalArticle

Inverse kinematics
Biomechanical Phenomena
Manipulators
Joints
Robotics
2007
25 Citations (Scopus)

The Virtual Reality Transurethral Prostatic Resection Trainer: Evaluation of Discriminate Validity

Rashid, H. H., Kowalewski, T. M., Oppenheimer, P., Ooms, A., Krieger, J. N. & Sweet, R., Jun 1 2007, In : Journal of Urology. 177, 6, p. 2283-2286 4 p.

Research output: Contribution to journalArticle

Transurethral Resection of Prostate
Foot
Operating Rooms
Curriculum
Urologists
2004
62 Citations (Scopus)

Face, content and construct validity of the University of Washington virtual reality transurethral prostate resection trainer

Sweet, R., Kowalewski, T., Oppenheimer, P., Weghorst, S. & Satava, R., Jan 1 2004, In : Journal of Urology. 172, 5 I, p. 1953-1957 5 p.

Research output: Contribution to journalArticle

Transurethral Resection of Prostate
Foot
Operating Rooms
Anatomy
Hemorrhage