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Modification of Ayre's T-Piece From Anesthesia Circuit for Spontaneously Ventilating Tracheostomized Adults.
A A Pract
November 2024
From the Department of Anesthesiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
Transporting spontaneously ventilating adults with tracheostomies from the operating room (OR) or other anesthetizing locations to the intensive care unit (ICU) or other recovery locations presents significant challenges, as traditional T-pieces may not be readily available. This article describes a novel modification to the Ayre's T-piece, designed to address this gap by using readily available equipment. The modification integrates a 3-mL syringe, a size 7.
View Article and Find Full Text PDFT-piece made from a 10 ml syringe.
Indian J Med Res
November 2020
Department of Anaesthesiology, Teerthanker Mahaveer Medical College and Research Centre, Moradabad 244 001, Uttar Pradesh, India.
Speeding the Detection of Vessel Cannulation: An In-Vitro Stimulation Study.
Anesth Analg
January 2020
From the Stanford University Medical Center, Stanford, California.
Background: Some practitioners "prime" small IV angiocatheter needles with 0.9% sodium chloride-claiming this modification speeds visual detection of blood in the angiocatheter flash chamber on vessel cannulation.
Methods: We compared the time required for human blood to travel the length of saline-primed and saline-unprimed 24- and 22-gauge angiocatheter needles (Introcan Safety IV Catheter; B.
Automated sample preparation and analysis using a sequential-injection-capillary electrophoresis (SI-CE) interface.
Analyst
June 2006
Institute for Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9-164, Vienna, A-1060, Austria.
A fully automated sequential-injection-capillary electrophoresis (SI-CE) system was developed using commercially available components as the syringe pump, the selection and injection valves and the high voltage power supply. The interface connecting the SI with the CE unit consisted of two T-pieces, where the capillary was inserted in one T-piece and a Pt electrode in the other (grounded) T-piece. By pressurising the whole system using a syringe pump, hydrodynamic injection was feasible.
View Article and Find Full Text PDF[Effect of background flow on the accuracy of respiratory flow and respiratory volume measurement in newborn infants].
Biomed Tech (Berl)
October 1995
Abteilung Neonatologie, Klinik und Poliklinik für Kinderheilkunde.
Measurement of ventilation, in particular in preterm infants, is greatly impaired by equipment dead space, with its significant effect on the ventilatory pattern and gas exchange. For patients of this age, therefore, dead-spacefree methods are needed for long-term measurements. Rebreathing can be avoided if the pneumotachograph (PNT) and face mask are flushed with a continuous background flow.
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