Advances in Valveless Piezoelectric Pumps [PDF]
Applied Sciences (Switzerland), 2021 Piezoelectric pump design is regarded as a hot research topic in the microfluidic field, and has been applied in liquid cooling, precision machinery and other relevant domains.
Wanting Sun, Yan Qiu Feng Yan
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Entropy Analysis of a Valveless Piezoelectric Pump With Hyperbolic Tubes
Frontiers in Energy Research, 2022 In order to solve the problems of large reflux and low output performance of the valveless piezoelectric pump with conical tubes, the valveless piezoelectric pump with hyperbolic tubes was proposed.
Qing Yang, Jun Chen
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Equivalent Circuit Modeling for a Valveless Piezoelectric Pump
Sensors, 2018 Various kinds of the models had been proposed to explain the relationship between the performance and the structural parameters of valveless piezoelectric pumps, so as to evaluate the functional performance such devices.
Jun Huang, Jianhui Zhang
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High-precision transdermal drug delivery enabled by a dual-pump parallel valveless piezoelectric micropump integrated with hollow microneedles [PDF]
Microsystems & NanoengineeringTransdermal drug delivery (TDD) system based on piezoelectric micropumps is a novel route of drug delivery that is wearable and highly patient-compliant. The advantage of valveless micropumps, such as their simple structure, high reliability and low cost,
Lei Zhang +8 more
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A novel less invasive single port pulsatile ventricular assist device [PDF]
JHLT OpenA less invasive paracorporeal single port pulsatile ventricular assist device (sppVAD) was developed for cardiogenic shock. This compact sppVAD includes a valved single lumen cannula (VSLC), valveless single port diaphragm displacement pump (spDDP), and ...
Li Li, MD +7 more
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Research on Valveless Piezoelectric Pump Based on Coriolis Effect [PDF]
MicromachinesIn previous studies, a valveless piezoelectric pump with arc-shaped tubes (VPPAST) based on the Coriolis Effect was proposed. To promote the application of VPPAST in the field of navigation and guidance, it is vital to further explore the influences of ...
Qiufeng Yan +3 more
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Entrapped surgical needle In the valveless AirSeal trocar: A case report and literature review [PDF]
Urology Case ReportsBackground: Valveless trocars like AirSeal system are maintain a stable pneumoperitoneum and reduce instrument friction. Case presentation: A 65-year-old man's robotic radical cystectomy was complicated by a missing needle while using AirSeal system. The
Ibrahim Can Aykanat +1 more
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Valveless and conventional insufflation on pneumoperitoneum-related complications in robotic partial nephrectomy: a systematic review and meta-analysis of prospective studies [PDF]
BMC UrologyIntroduction The use of pneumoperitoneum is an essential step for performing laparoscopic and robotic surgery. Pneumoperitoneum insufflation can cause complications such as pneumothorax, subcutaneous emphysema, and pneumomediastinum.
Lucas Schenk de Almeida +6 more
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Design and Testing of a Valveless Piezoelectric Pump with Conical Vortex Diodes [PDF]
MATEC Web of Conferences, 2020 The valveless piezoelectric pump delivers fluid based on the difference of flow resistance of internal tube. In this paper, a vortex diode with conical tangential tube is proposed, which possesses the great characteristic of reverse cut-off, and the ...
Zou Lei, Li Kai, Huang Jun
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Study on effect of geometry on performance of pulse detonation rocket engines
Xibei Gongye Daxue Xuebao, 2021 In order to investigate the effect of the geometry on the performance of pulse detonation rocket engines under valveless self-adaptive working mode, the multi-cycle experiment was carried out on the pulse detonation rocket engines with different mixing ...
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