Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Omeed Paydar"'
Autor:
Jere Harrison, Yongha Hwang, Omeed Paydar, Jimmy Wu, Evan Threlkeld, James Rosenzweig, Pietro Musumeci, Rob Candler
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 18, Iss 2, p 023501 (2015)
Recent advancements in microelectromechanical system (MEMS) fabrication techniques have enabled the batch-fabrication of quadrupole MEMS electromagnets producing 100 mT-scale field across sub-mm gaps with the potential for transformational advances i
Externí odkaz:
https://doaj.org/article/1cd437555a0b4082baad9e67e8b6902e
Autor:
Kang Liu, Megan LaRocca, Warren S. Grundfest, Rob N. Candler, Bradley Genovese, Omeed Paydar, Ahmad Abiri, Anna Tao, Erik Dutson
Publikováno v:
Surgical Endoscopy. 31:3258-3270
Robotic surgical platforms have seen increased use among minimally invasive gastrointestinal surgeons (von Fraunhofer et al. in J Biomed Mater Res 19(5):595–600, 1985. doi: 10.1002/jbm.820190511 ). However, these systems still suffer from lack of h
Autor:
Rob N. Candler, Yuan Dai, Warren S. Grundfest, Hyunmin Sohn, C Pensa, Omeed Paydar, Eric P. Dutson, Peter A. Pellionisz, Songping Sun, Siyuan Liu, Ahmad Abiri, Jake Pensa
Publikováno v:
Biomedical microdevices, vol 21, iss 1
The number of procedures performed with robotic surgery may exceed one million globally in 2018. The continual lack of haptic feedback, however, forces surgeons to rely on visual cues in order to avoid breaking sutures due to excessive applied force.
Publikováno v:
Sensors and Actuators A: Physical. 234:65-71
Polymer-based pneumatic balloon actuators consisting of novel trapezoidal vertical microballoon fins were fabricated by three-dimensional (3D) printed molds and validated experimentally. The introduction of 3D printed molds for pneumatic actuation pr
Publikováno v:
Sensors and Actuators A: Physical. 226:137-142
This article introduces the use of three-dimensionally (3D) printed molds for rapid fabrication of complex and arbitrary microchannel geometries that are unattainable through existing soft lithography techniques. The molds are printed directly from c
Autor:
Hyunmin Sohn, Siyuan Liu, Rob N. Candler, Omeed Paydar, Ahmad Abiri, Warren S. Grundfest, Eric P. Dutson, Yuan Dai
Publikováno v:
EMBC
This paper describes the design, microfabrication, and characterization of a miniature force sensor for providing tactile feedback in robotic surgical systems. We demonstrate for the first time a microfabricated sensor that can provide triaxial sensi
Autor:
Jere C. Harrison, J. Lake, Pietro Musumeci, Abhijeet Joshi, Yongha Hwang, Rob N. Candler, Omeed Paydar
Publikováno v:
Physics Procedia. 52:19-26
Leveraging recent advances in microelectromechanical system (MEMS) fabrication technologies, 100 μm gap 400 μm period electromagnetic undulators and 200 μm gap quadrupole optics have been successfully fabricated. Measurement of the electromagnet i
Publikováno v:
Sensors and Actuators A: Physical. 205:199-203
Lab-on-a-chip (LOC) devices have enabled significant advancements in medical, biological, and chemical analysis. However, widespread adoption of these devices in, clinical settings and academic environments has been impeded by a lack of a reliable, a
Autor:
E. Threlkeld, Omeed Paydar, Rob N. Candler, Jimmy Wu, Yongha Hwang, Jere C. Harrison, Pietro Musumeci
Publikováno v:
Journal of Microelectromechanical Systems. 23:505-507
This letter introduces a fabrication process for thick $({>}{\rm 50}~\mu{\rm m})$ multipole electromagnets that produce fields exceeding 20 mT across 0.2- ${\rm mm}^{3}$ free-space volumes. The novelty of the process involves the multistep thick-film
Autor:
Jack W. Judy, Andrew O. Fung, Li-Han Chen, Christos Tsiokos, Yibin Wang, Sungho Jin, Omeed Paydar
Publikováno v:
Nano Letters. 10:4321-4327
Arrays of carbon nanotube (CNT) microelectrodes (nominal geometric surface areas 20-200 μm(2)) were fabricated by photolithography with chemical vapor deposition of randomly oriented CNTs. Raman spectroscopy showed strong peak intensities in both G