Objective: Hospital-based helicopter transport programs must define and track their own lift-off times (LOTs). The goal of this quality improvement study was to evaluate LOTs, identify factors influencing LOTs, and implement changes to improve LOTs without compromising safety.
Methods: A retrospective evaluation of 248 flights during 2016 was completed using recorded times from our dispatch center. Actual LOTs were compared with policy LOT goals. Tasks for flight departure were identified, timed, and sorted into those that should not be pressured and those amenable to process change.
Results: Five tasks were identified as being amenable to process change. The average LOT for scene calls was 10.56 minutes (range, 1-22 minutes) and met our 10-minute policy goal 59% of the time. The average LOT for interfacility flights was 13.2 minutes (range, 4-76 minutes) and met the policy goal of 15 minutes 76.5% of the time.
Conclusion: We identified tasks amenable to safe process change to decrease LOTs. The data supported LOT policy change to a single LOT goal of 13 minutes for all flights. This change represents an acceptable goal for all LOTs without compromising safety to our patients and teams.
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http://dx.doi.org/10.1016/j.amj.2018.12.001 | DOI Listing |
Micromachines (Basel)
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Department of Vascular Surgery, General Surgery Clinical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China.
The solder burrs on the 304V wire surface can easily scratch the vascular tissue during interventional treatment, resulting in complications such as medial tears, bleeding, dissection, and rupture. Abrasive blasting is often used to remove solder burr and obtain a smooth surface for the interventional device. This study conducted an abrasive blasting experiment to explore the effects of process parameters (air pressure, lift-off height, abrasive volume, and abrasive type) on processing time, surface roughness, and mechanical properties to reveal the material removal mechanism.
View Article and Find Full Text PDFSportverletz Sportschaden
November 2024
Orthopädische Klinik und Poliklinik, Universitätsmedizin Rostock, Rostock, GERMANY.
The trend sports kitesurfing and wakeboarding are increasingly gaining popularity. Tricks and high jumps - both in the air and over obstacles - are performed with increasing difficulty. Repeated high loads on the body, particularly when landing after a jump, can lead to overuse and acute injuries directly related to peak forces, particularly in the lower extremities.
View Article and Find Full Text PDFSci Rep
November 2024
State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan, 030051, China.
The development of thermoelectric devices provides an ideal solution for self-sustaining Internet of Things (IoT) applications. However, existing thermoelectric devices face issues such as low integration levels and poor stability. To address these challenges, this paper presents a novel method for fabricating flexible thermoelectric devices using AgSe/MgAgSb, which combines MEMS lithographic lift-off techniques to achieve precise control over the dimensions of the thermoelectric functional layer while also reducing fabrication costs.
View Article and Find Full Text PDFSensors (Basel)
October 2024
Department of Intelligent Manufacturing Engineering, Guilin University of Electronic Technology, Guilin 541004, China.
In the field of railroad safety, the effective detection of surface cracks is critical, necessitating reliable, high-speed, non-destructive testing (NDT) methods. This study introduces a hybrid Eddy Current Testing (ECT) probe, specifically engineered for railroad inspection, to address the common issue of "lift-off noise" due to varying distances between the probe and the test material. Unlike traditional ECT methods, this probe integrates transmit and differential receiver (Tx-dRx) coils, aiming to enhance detection sensitivity and minimise the lift-off impact.
View Article and Find Full Text PDFFront Robot AI
September 2024
Keio University Graduate School of Media Design, Yokohama, Japan.
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