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Subject = Minimally Invasive Surgery;
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Displaying Results 1 - 2 of 2 on page 1 of 1
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A Force Measurement Evaluation Tool for Telerobotic Cutting Applications: Development of an Effective Characterization Platform
(2008)
Callaghan, Dean; McGrath, Mark; Coyle, Eugene
A Force Measurement Evaluation Tool for Telerobotic Cutting Applications: Development of an Effective Characterization Platform
(2008)
Callaghan, Dean; McGrath, Mark; Coyle, Eugene
Abstract:
Sensorized instruments that accurately measure the interaction forces (between biological tissue and instrument endeffector) during surgical procedures offer surgeons a greater sense of immersion during minimally invasive robotic surgery. Although there is ongoing research into force measurement involving surgical graspers little corresponding effort has been carried out on the measurement of forces between scissor blades and tissue. This paper presents the design and development of a force measurement test apparatus, which will serve as a sensor characterization and evaluation platform. The primary aim of the experiments is to ascertain whether the system can differentiate between tissue samples with differing mechanical properties in a reliable, repeatable manner. Force-angular displacement curves highlight trends in the cutting process as well the forces generated along the blade during a cutting procedure. Future applications of the test equipment will involve the assessment of ...
https://arrow.dit.ie/engschmanart/2
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Electropermanent magnetic anchoring for surgery and endoscopy
(2014)
Tugwell, Josef; Brennan, Philip; O'Shea, Conor; O'Donoghue, Kilian; Power, Ti...
Electropermanent magnetic anchoring for surgery and endoscopy
(2014)
Tugwell, Josef; Brennan, Philip; O'Shea, Conor; O'Donoghue, Kilian; Power, Timothy; O'Shea, Michael; Griffiths, James; Cahill, Ronan A.; Cantillon-Murphy, Pádraig
Abstract:
The use of magnets for anchoring of instrumentation in minimally invasive surgery and endoscopy has become of increased interest in recent years. Permanent magnets have significant advantages over electromagnets for these applications; larger anchoring and retraction force for comparable size and volume without the need for any external power supply. However, permanent magnets represent a potential hazard in the operating field where inadvertent attraction to surgical instrumentation is often undesirable. The current work proposes an interesting hybrid approach which marries the high forces of permanent magnets with the control of electromagnetic technology including the ability to turn the magnet OFF when necessary. This is achieved through the use of an electropermanent magnet, which is designed for surgical retraction across the abdominal and gastric walls. Our electropermanent magnet, which is hand-held and does not require continuous power, is designed with a center lumen which...
http://hdl.handle.net/10468/2724
Displaying Results 1 - 2 of 2 on page 1 of 1
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Institution
Dublin Institute of Technology (1)
University College Cork (1)
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Peer-reviewed (1)
Unknown (1)
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2014 (1)
2008 (1)
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