A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Filters
Geometrical deployment for braided stent
2016
Medical Image Analysis
Preserved Fulltext
In this paper, a deployment model was developed based on geometrical properties of braided stents. ...
The prediction of flow diverter stent (FDS) implantation for the treatment of intracranial aneurysms (IAs) is being increasingly required for hemodynamic simulations and procedural planning. ...
Baer for the pictures of the in-vitro stent implantations. ...
doi:10.1016/j.media.2016.01.006
pmid:26891065
fatcat:wbdljvnhovh7jdmbdsxxpajtpm
Interaction between Flow Diverter and Parent Artery of Intracranial Aneurysm: A Computational Study
2017
Applied Bionics and Biomechanics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
To evaluate the influence of deployment strategy on the mechanical interaction between braided stent and parent artery of intracranial aneurysm (the elasticity of the arterial wall is considered), finite-element ...
Two implantation strategies are used to virtually implant the braided stent into the ideal intracranial aneurysm model. ...
Researchers use geometrical projection method for virtual stent deployment into intracranial arteries [5] [6] [7] [8] . ...
doi:10.1155/2017/3751202
pmid:29209136
pmcid:PMC5676342
fatcat:ykftqe3ufnetjna7qji3nvjx5e
Predicting flow diverter sizing using the AneuGuideTM software: a validation study
2022
Journal of NeuroInterventional Surgery
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
BackgroundStent sizing remains a challenging task for flow diverter implantation because of stent foreshortening. ...
Stent elongation was defined as the ratio of ML-LL to the labeled length (LL). Simulation error was defined as the ratio of the absolute value of CL-ML to ML. ...
The geometrical deployment method, involving only geometrical calculations, has great prospects for clinical application. ...
doi:10.1136/neurintsurg-2021-018353
fatcat:3vy6xwst7rgjxfpoaf27j2zx7u
NITINOL STENTS
2011
The Professional Medical Journal
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Objectives: To evaluate the geometric changes in the carotid arteries after deployment of self expanding nitinol stents. Settings: AFIC-NIHD. Period: November 2003 to August 2008. ...
that had pre and post stenting images in the same imaging projection were available for analysis. ...
Objectives: To evaluate the geometric changes in the carotid arteries after deployment of self expanding nitinol stents. Settings: AFIC-NIHD. Period: November 2003 to August 2008. ...
doi:10.29309/tpmj/2011.18.04.2657
fatcat:w37zncbgfvgbbcboma6vxrrey4
The Geometry of Y-stent Configurations Used for Wide-Necked Aneurysm Treatment: Analyzing Double-Barrel Stents in vitro Using Flat-Panel CT
2021
World Neurosurgery
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
In a silicone model of a wide-necked basilar tip aneurysm, six simulated KDB stent deployment trials were performed using combinations of five stents (Enterprise 1, 2, Neuroform Atlas, LVIS, LVIS Jr.). ...
Several distinct forms of cross-sectional stent geometry were observed. Braided stents had lower ovalization and D-ratio (p = 0.015) than laser-cut stents. ...
KDB stent deployment. ...
doi:10.1016/j.wneu.2021.04.042
pmid:33887500
fatcat:pajkyh3bordxffreuk3chlat3u
Deformation Mechanics of Self-expanding Venous Stents: Modelling and Experiments
[article]
2021
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Their suitability for deployment in different clinical contexts is assessed based on their deformation characteristics. ...
Braided design applies a larger radial pressure particularly for vessels of diameter smaller than 75% of its nominal diameter, making it suitable for a long lesion with high recoil. ...
Acknowledgment We sincerely acknowledge the Division of Vascular Surgery at Vancouver General Hospital for providing the stent models. ...
arXiv:2102.10219v1
fatcat:b756xococbdc3mzlwp754mxsq4
High Fidelity Virtual Stenting (HiFiVS) for Intracranial Aneurysm Flow Diversion: In Vitro and In Silico
2013
Annals of Biomedical Engineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
A flow diverter (FD) is a flexible, densely braided stent-mesh device placed endoluminally across an intracranial aneurysm to induce its thrombotic occlusion. ...
We have recently developed a High Fidelity Virtual Stenting (HiFiVS) technique based on finite element analysis to simulate detailed FD deployment processes in patient-specific aneurysms (Ma et al. ...
We determined the braiding angle at labeled state by assuming 30% metal coverage rate (a general design objective for FD) based on standard geometrical equations. 5,10, 15 We then calculated the FD geometry ...
doi:10.1007/s10439-013-0808-4
pmid:23604850
pmcid:PMC3766425
fatcat:ib4hmjrmn5h6tkt2t6rl3tczdm
A novel virtual flow diverter implantation method with realistic deployment mechanics and validated force response
2020
International Journal for Numerical Methods in Biomedical Engineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
The mechanics of the model allows to replicate the expansion process during deployment, including additional effects such as the push-pull technique that is required for the deployment of braided FD-s ...
The structure of the virtual braids naturally incorporates the axial length changes as a function of the local expansion diameter. ...
ACKNOWLEDGEMENTS The authors would like to thank for the help and support of Eszter Bognár and Péter Nagy with the mechanical tensile test measurements of the FDs. ...
doi:10.1002/cnm.3340
pmid:32279440
fatcat:3v5n7p7q7bg2jmttpmbjqtdtou
Conformity of carotid stents with vascular anatomy: evaluation in carotid models
2004
American Journal of Neuroradiology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Implantation of braided Wallstents or the Expander with continuous filaments induced considerable straightening effects on the bifurcation angle, as well as on the curves of the internal carotid artery ...
Segmented designs of modular nitinol stents complied better with vascular tortuosity and showed improved adaption between stent and the endoluminal surface of the model. ...
All stents had the same nominal diameter of 8 mm and a length of 60 mm after deployment. ...
pmid:15090350
pmcid:PMC7975609
fatcat:7es2utzlmnfhrpr4dot7fywmpm
Towards real-time cardiovascular magnetic resonance-guided transarterial aortic valve implantation: In vitro evaluation and modification of existing devices
2010
Journal of Cardiovascular Magnetic Resonance
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Reliable flow measurements could be performed for both stent-valves after deployment using phase-contrast sequences. ...
Results: CMR revealed major susceptibility artifacts for the two commercial delivery devices caused by considerable metal braiding and precluding in vivo application. ...
the mounted stent-valve could be visualized artifact-free and allowed for precise valve positioning and deployment without image distortion at the region of interest. ...
doi:10.1186/1532-429x-12-58
pmid:20942968
pmcid:PMC2964701
fatcat:r22zhzzbkrcuffrhiu5n2o452a
Structural Design of Vascular Stents: A Review
2021
Micromachines
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
In this paper, we introduce the evolution, performance evaluation standards, delivery and deployment, and manufacturing methods of vascular stents. ...
Percutaneous Coronary Intervention (PCI) is currently the most conventional and effective method for clinically treating cardiovascular diseases such as atherosclerosis. ...
The authors thank Gao Ge for his help in language polish and editing support, who is the Assistant Professor of BIT (China) Institute of Eng. Med. ...
doi:10.3390/mi12070770
fatcat:fhfqim3aqvhzdbogfo4nltwwcm
Coronary stent concertina in proximal left anterior descending artery: An unusual case
2017
Interventional Medicine & Applied Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
It is an abrupt shortening of the stent along its longitudinal axis, usually after deployment, due to various reasons. ...
Since the emergence of stents, there has been persistent improvement in flexibility and deliverability of stents with modifications in its design and number of connectors. ...
system after stent deployment, crossing of new stent through the deployed stent for the treatment of a distal lesion, and wire entanglement [1, [5] [6] [7] . ...
doi:10.1556/1646.9.2017.2.19
pmid:28932506
pmcid:PMC5598132
fatcat:lvz7gzzbefdnrarfl7c2odobze
Coronary stent concertina in proximal left anterior descending artery: An unusual case
2017
Interventional Medicine & Applied Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
It is an abrupt shortening of the stent along its longitudinal axis, usually after deployment, due to various reasons. ...
Since the emergence of stents, there has been persistent improvement in flexibility and deliverability of stents with modifications in its design and number of connectors. ...
system after stent deployment, crossing of new stent through the deployed stent for the treatment of a distal lesion, and wire entanglement [1, [5] [6] [7] . ...
doi:10.1556/1646.9.2017.19
fatcat:flrkikujz5bxfmw473fqagccum
On Studying the Interaction Between Different Stent Models and Rabbit Tracheal Tissue: Numerical, Endoscopic and Histological Comparison
2015
Annals of Biomedical Engineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
under geometrical point of view. 93 The human trachea, for instance, is proportionally shorter with respect to the rabbit trachea. ...
This analysis was performed mainly for the Palmaz stent 57 in rabbits 7 , lambs 30 and pigs 31 , and for Gianturco stent in dogs 32,33 . ...
same simulation after stent deployment. ...
doi:10.1007/s10439-015-1504-3
pmid:26589598
fatcat:rozyqfohhrbw7ep3sjhibtwgwu
Endovascular stenting for carotid artery stenosis: preliminary experience using the shape-memory- alloy-recoverable-technology (SMART) stent
2000
American Journal of Neuroradiology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Excellent performance of the SMART stent for the endovascular treatment of carotid artery stenosis has been shown based on our early experience. ...
The specific technical characteristics, potential advantages, and disadvantages of this stent are discussed and compared with other currently used carotid artery stents. ...
This segmented geometrical design results in individual stent hoops behaving fairly independently of each other. The Wallstent possesses a braided geometry in a tubular mesh configuration. ...
pmid:10782787
pmcid:PMC7976650
fatcat:nksviwmh7zc7zgjwnvacq2k2we
« Previous
Showing results 1 — 15 out of 147 results