Design and Development of Hand-opening and Pinch Force Sensors

2013 ◽  
Author(s):  
A. Pena ◽  
S. S. Kuntaegowdanahalli ◽  
J. Abbas ◽  
R. Jung
Keyword(s):  
Force Sensors ◽  
Design And Development ◽  
Pinch Force ◽  
Hand Opening

Design and Development of a 2-DOF Miniature Force Sensor for Surgical Procedures

2011 ◽  
Author(s):  
U-Xuan Tan ◽  
Jaydev P. Desai
Keyword(s):  
Surgical Procedures ◽  
Force Sensor ◽  
Force Sensing ◽  
Force Sensors ◽  
Design And Development ◽  
Tissue Interaction ◽  
Percutaneous Procedures ◽  
Surgical Tool ◽  
Microfabrication Technique

Force sensing is an important component for a number of surgical procedures as it can help to prevent undesirable damage to the tissue and at the same time provides the surgeons with a better “feel” of the tool-tissue interaction. However, most of the current commercially available multi-DOF force sensors are relatively large in size and it is a challenge to incorporate them into the surgical tool. Hence, a multi-DOF miniature force sensor is desired and this paper presents the design and development of a miniature 2-DOF force sensor. In order to achieve a miniature force sensor, microfabrication technique is used and the proposed force sensor is a capacitive-based sensor. The proposed force sensor can be used in a number of percutaneous procedures as well as catheter-based procedures. This paper presents the design and microfabrication process of the proposed miniature force sensor.

scholarly journals A Musculoskeletal Model of the Hand and Wrist Capable of Simulating Functional Tasks

2021 ◽  
Author(s):  
Daniel Clinton McFarland ◽  
Benjamin I Binder-Markey ◽  
Jennifer A Nichols ◽  
Sarah J Wohlman ◽  
Marije de Bruin ◽  
...  
Keyword(s):  
Open Source ◽  
Grip Force ◽  
Force Production ◽  
Musculoskeletal Model ◽  
Pinch Strength ◽  
Wrist Flexion ◽  
Pinch Force ◽  
Maximum Grip ◽  
Hand Opening

Objective: The purpose of this work was to develop an open-source musculoskeletal model of the hand and wrist and to evaluate its performance during simulations of functional tasks. Methods: The musculoskeletal model was developed by adapting and expanding upon existing musculoskeletal models. An optimal control theory framework that combines forward-dynamics simulations with a simulated-annealing optimization was used to simulate maximum grip and pinch force. Active and passive hand opening were simulated to evaluate coordinated kinematic hand movements. Results: The model's maximum grip force production matched experimental measures of grip force, force distribution amongst the digits, and displayed sensitivity to wrist flexion. Simulated lateral pinch strength fell within variability of in vivo palmar pinch strength data. Additionally, predicted activation for 7 of 8 muscles fell within variability of EMG data during palmar pinch. The active and passive hand opening simulations predicted reasonable activations and demonstrated passive motion mimicking tenodesis, respectively. Conclusion: This work advances simulation capabilities of hand and wrist models and provides a foundation for future work to build upon. Significance: This is the first open-source musculoskeletal model of the hand and wrist to be implemented during both functional kinetic and kinematic tasks. We provide a novel simulation framework to predict maximal grip and pinch force which can be used to evaluate how potential surgical and rehabilitation interventions influence these functional outcomes while requiring minimal experimental data.

A case study on use of personas in design and development of an audit management system

2007 ◽  
Author(s):  
Pallavi Dharwada ◽  
Joel S. Greenstein ◽  
Anand K. Gramopadhye ◽  
Steve J. Davis
Keyword(s):  
Management System ◽  
Design And Development ◽  
Audit Management

Architectures for Architects

1993 ◽  
Vol 32 (01) ◽  
pp. 12-13 ◽  
Author(s):  
M. A. Musen
Keyword(s):  
Decision Support ◽  
Decision Support Systems ◽  
Clinical Decision Support ◽  
Support Systems ◽  
Clinical Decision Support Systems ◽  
Clinical Decision ◽  
Design And Development

Abstract:Response to Heathfield HA, Wyatt J. Philosophies for the design and development of clinical decision-support systems. Meth Inform Med 1993; 32: 1-8.

Design and development of Iberia: a corpus of scientific Spanish

Corpora ◽  
2011 ◽  
Vol 6 (2) ◽  
pp. 145-158 ◽  
Author(s):  
Jordi Porta Zamorano ◽  
Emilio del Rosal García ◽  
Ignacio Ahumada Lara
Keyword(s):  
User Interface ◽  
Design And Development ◽  
Linguistic Annotation

Iberia is a synchronic corpus of scientific Spanish designed mainly for terminological studies. In this paper, we describe its design and the infrastructure for its acquisition, processing and exploitation, including mark-up, linguistic annotation, indexing and the user interface. Two pre-processing tasks affecting a large number of words are described in detail: de-hyphenation and identification of text fragments in other languages. We also show how some of the reported statistics, namely, dispersion and association, are used for research on lexis.

New Design and Development of Size-Selected Gas Cluster SIMS

2009 ◽  
Vol 129 (2) ◽  
pp. 288-293 ◽  
Author(s):  
Kousuke Moritani ◽  
Michihiro Hashinokuchi ◽  
Gen Mukai ◽  
Kozo Mochiji
Keyword(s):  
Design And Development ◽  
Cluster Sims
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