Results 21 to 30 of about 277,332 (311)

An Interesting Image of Transmural Migration of a Levonorgestrel-Releasing Intrauterine Device (LNg-IUD)

open access: yesDiagnostics, 2022
Intrauterine devices (IUDs) are very common as a method of birth control. By adding progesterone (levonorgestrel), a decrease in the risk of complications has been documented, including the risk of perforation.
Melinda-Ildiko Mitranovici   +14 more
doaj   +1 more source

Classification of furcation involvement of endodontically treated mandibular first permanent molars based on cone beam CT

open access: yes口腔疾病防治, 2023
Objective To classify the furcation involvement (FI) of endodontically treated mandibular first permanent molars based on cone beam computed tomography (CBCT), provide reference for individualized treatment of FI.
TANG Rong, HU Yanni, LIN Zitong
doaj   +1 more source

Human Acellular Dermal Allograft Patch on Traumatic Tympanic Membrane Perforation

open access: yes, 2022
BACKGROUND: This study aimed to investigate the outcome of using the human acellular dermal allograft patch compared with the conventional paper patch in traumatic tympanic membrane perforation.
Lee, Dong-Han   +5 more
core   +1 more source

Investigation of the process of perforating hard roof in an innovative technology of directional roof‐cutting by composite blasting

open access: yesEnergy Science & Engineering, 2023
The hard roof in coal mines will induce strong pressure problems for the working face and the lanes, which will seriously affect the safe and efficient production of the mine.
Bochao Ma   +4 more
doaj   +1 more source

Influence of projectile shape on dynamic behavior of steel sheet subjected to impact and perforation [PDF]

open access: yes, 2013
Authors thank Ministry of Science and Higher Education of Poland for financial support under Grants: R00 0097 12. Authors thank also M. Tavian technician in electronics from ENIM for his contribution on the development of the residual velocity ...
JANKOWIAK, Tomasz   +3 more
core   +1 more source

Experimental and numerical analysis on the martensitic transformation in AISI 304 steel sheets subjected to perforation by conical and hemispherical projectiles [PDF]

open access: yes, 2013
Lien vers la version éditeur: http://www.sciencedirect.com/science/article/pii/S0020768312004039In this work, an experimental and numerical analysis of the martensitic transformation in AISI 304 steel sheets subjected to perforation by conical and ...
Rodríguez-Martínez, José Antonio   +8 more
core   +1 more source

Cystoscopic Removal of Migrated Ventriculoperitoneal Shunt Tube: A Case Report with Short Review

open access: yesIndian Journal of Neurosurgery, 2016
Hydrocephalus is most commonly treated by ventriculoperitoneal (VP) shunt surgery. The distal end of the VP shunt is commonly placed in the peritoneal cavity.
T. P. Jeyaselvasenthilkumar   +4 more
doaj   +1 more source

Numerical Analysis for Heat Transfer Augmentation in a Circular Tube Heat Exchanger Using a Triangular Perforated Y-Shaped Insert

open access: yesFluids, 2021
The present investigation constitutes CFD analysis of the heat transmission phenomenon in a tube heat exchanger with a Y-shaped insert with triangular perforation.
Lokesh Pandey, Satyendra Singh
doaj   +1 more source

Definition of perforator flap: what does a "perforator" perforate?

open access: yesGlobal Health & Medicine, 2019
Perforator flap concept plays an important role in reconstructive surgery, because it allows less invasive and more complex reconstruction by preserving major vessels and muscles with intramuscular vessel dissection. Originally "perforator" represents vessel perforating the muscle, then vessel perforating the deep fascia regardless of muscle ...
Yamamoto, Takumi   +6 more
openaire   +3 more sources

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