Results 11 to 20 of about 3,974,952 (312)

Ultrasonic Vitrectomy Instrument

open access: yesPhysics Procedia, 2015
Contemporary vitrectomy devices utilize an air driven stylus reciprocating within a sheath at a sonic frequency, guillotining and then aspirating the vitreous gel admitted through a distal port in the side of the sheath.
D. Wuchinich
semanticscholar   +2 more sources

COMPLEX PERFORMANCE ANALYSIS OF MEDICAL INSTRUMENT ULTRASONIC MACHINING

open access: yesAdvanced Engineering Research, 2010
Research results of the ultrasonic surface decontamination of the medical instrument in the complex with the structural material transformations occurring under the influence of ultrasonic vibrations are presented.
Irina K. TSYBRIY   +2 more
doaj   +1 more source

COMPLEX PERFORMANCE ANALYSIS OF MEDICAL INSTRUMENT ULTRASONIC MACHINING

open access: yesВестник Донского государственного технического университета, 2018
Research results of the ultrasonic surface decontamination of the medical instrument in the complex with the structural material transformations occurring under the influence of ultrasonic vibrations are presented.
Irina K. TSYBRIY   +2 more
doaj   +1 more source

Method of case hardening depth testing by using multifunctional ultrasonic testing instrument [PDF]

open access: yes, 2015
The paper describes usability of ultrasonic case hardening depth control applying standard instrument of ultrasonic inspections. The ultrasonic method of measuring the depth of the hardened layer is proposed.
Yana Salchak   +3 more
semanticscholar   +2 more sources

Measurement of Linear Springs’ Stiffness Factor Using Ultrasonic Sensing

open access: yesSensors, 2022
We designed an ultrasonic testing instrument that consisted of a single-chip microcomputer module, a digital display module, and an ultrasonic sensor module, which conveniently eliminated the troubles faced by the traditional Jolly’s scale.
Zhongwei Zhang   +5 more
doaj   +1 more source

Separated Instrument Retrieval using Ultrasonic Vibration and the Braiding Technique: A case report [PDF]

open access: yesERU Research Journal, 2023
Ultrasonic retrieval of endodontic separated instruments, although proven to be highly successful, is a technique-sensitive process that might be accompanied by various complications including root lateral perforations, instrument secondary fractures ...
Omnia Hakim
doaj   +1 more source

Comparison of Root Surface Roughness Produced By Hand Instruments and Ultrasonic Scalers: An Invitro Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2015
Background: Instrumentation on tooth surface for debridement of hard and soft debris forms the basis of periodontal therapy. This involves periodic removal of accumulated material using different methods of instrumentation. An ideal instrument should
Pawan Kumar   +3 more
doaj   +1 more source

Signal processing methods for defect detection in multi-wire helical waveguides using ultrasonic guided waves [PDF]

open access: yes, 2015
This thesis was submitted for the degree of Master of Philosophy and awarded by Brunel University LondonNon-Destructive Testing of industrial components carries vital importance, both financially and safety-wise.
Yucel, Mehmet Kerim
core   +5 more sources

A Novel Broadband Ultrasonic Location System [PDF]

open access: yes, 2002
Indoor ultrasonic location systems provide ne-grained position data to ubiquitous computing applications. However, the ultrasonic location systems previously developed utilize narrowband transducers, and thus perform poorly in the presence of noise and ...
Ward, Andy, Hazas, Michael
core   +5 more sources

Design and Performance Analysis of an Ultrasonic System for Health Monitoring of Concrete Structure

open access: yesSensors, 2021
The development and research of an ultrasonic-based concrete structural health monitoring system encounters a variety of problems, such as demands of decreasing complexity, high accuracy, and extendable system output.
Jinhui Zhao   +4 more
doaj   +1 more source

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