Results 11 to 20 of about 432,503 (265)

P1409Effectiveness of atrial fibrillation ablation using a contact force stability module with contact force or non-contact force catheter

open access: yesEP Europace, 2020
Abstract Funding Acknowledgements This study was funded by Biosense Webster, Inc. Background Catheter ablation is a mainstream treatment option for atrial fibrillation (AF).
Y Khaykin   +13 more
openaire   +1 more source

Formation behavior of bubbles and its effect on joining strength in dissimilar materials laser spot joining between PET and SUS304

open access: yesMechanical Engineering Journal, 2015
Formation behavior of bubbles and its effect on strength in PET/SUS304 dissimilar materials laser spot lap joint was studied. Surface of SUS304 was irradiated through transparent PET with fiber laser.
Yukio MIYASHITA   +2 more
doaj   +1 more source

Assessment of ablation catheter contact on valve annulus: Implications on accessory pathway ablation

open access: yesIndian Pacing and Electrophysiology Journal, 2019
Background: Catheter-tissue contact force is an important factor influencing lesion size and efficacy and thereby potential for arrhythmia recurrence following accessory pathway (AP) radiofrequency ablation.
Wai Kah Choo   +7 more
doaj   +1 more source

Jacking force calculation method of circular curved pipe jacking with consideration of pipe-soil contact characteristics

open access: yes地质科技通报, 2023
To explore the accuracy of the calculation method of the jacking force of circular curved pipe jacking under different pipe-soil contact characteristics, in combination with the curved steel pipe jacking project of Gongbei Tunnel of Hong Kong-Zhuhai ...
Yuheng Zhou   +4 more
doaj   +1 more source

A continuous contact force model of planar revolute joint based on fitting method

open access: yesAdvances in Mechanical Engineering, 2017
Both the process of eliminating the clearance in joints and the contact–impact process involve movement of a clearance mechanism, which may reduce transmission accuracy and lengthen the response time. An appropriate continuous contact force model is able
Yuntao Li   +4 more
doaj   +1 more source

Research on Multi-Body Collision Dynamics of Ball Cage Flexible Drill Pipe Considering Borehole Curvature

open access: yesMachines, 2023
A ball cage flexible drill pipe is a new type of ultra-short-radius drilling tool, which consists of multiple flexible joints hinged together. During the drilling process, the flexible members will come into contact and wear, which reduces the efficiency
Xiuxing Zhu   +6 more
doaj   +1 more source

Forcing contact inhibition of locomotion

open access: yesTrends in Cell Biology, 2015
Contact inhibition of locomotion drives a variety of biological phenomenon, from cell dispersion to collective cell migration and cancer invasion. New imaging techniques have allowed contact inhibition of locomotion to be visualised in vivo for the first time, helping to elucidate some of the molecules and forces involved in this phenomenon.
Roycroft, A, Mayor, R
openaire   +3 more sources

Estimation of contact forces using a virtual force sensor [PDF]

open access: yes2014 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2014
Physical human-robot collaboration is character- ized by a suitable exchange of contact forces between human and robot, which can occur in general at any point along the robot structure. If the contact location and the exchanged forces were known in real time, a safe and controlled collaboration could be established.
MAGRINI, EMANUELE   +2 more
openaire   +2 more sources

Closed-Form Equations for Contact Force and Moment in Elastic Contact of Rough Surfaces

open access: yesModelling and Simulation in Engineering, 2011
It is reasonable to expect that, when two nominally flat rough surfaces are brought into contact by an applied resultant force, they must support, in addition to the compressive load, an induced moment.
Ali Sepehri, Kambiz Farhang
doaj   +1 more source

Force‐Sensing Catheters During Pediatric Radiofrequency Ablation: The FEDERATION Study

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2017
Background Based on data from studies of atrial fibrillation ablations, optimal parameters for the TactiCath (TC; St. Jude Medical, Inc) force‐sensing ablation catheter are a contact force of 20 g and a force‐time integral of 400 g·s for the creation of ...
Aarti S. Dalal   +4 more
doaj   +1 more source

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