Cited by 308Advanced Sensor and Energy Harvesting MaterialsNon-Invasive Vital Sign MonitoringNeuroscience and Neural Engineering

Transcatheter Self‐Powered Ultrasensitive Endocardial Pressure Sensor

Liu, Zhuo, Ma, Ye, Ouyang, Han, Shi, Bojing, Li, Ning, Jiang, Dongjie, Xie, Feng, Qu, Dan +10 more·2019·Advanced Functional Materials

Abstract

Changes in endocardial pressure (EP) have important clinical significance for heart failure patients with impaired cardiac function. As a vital parameter for evaluating cardiac function, EP is commonly monitored by invasive and expensive cardiac catheterization, which is not feasible for long‐term and continuous data collection. In this work, a miniaturized, flexible, and self‐powered endocardial pressure sensor (SEPS) based on triboelectric nanogenerator (TENG), which is integrated with a surgical catheter for minimally invasive implantation, is reported. In a porcine model, SEPS is implanted into the left ventricle and the left atrium. The SEPS has a good response both in low‐ and high‐pressure environments. The SEPS achieves the ultrasensitivity, real‐time monitoring, and mechanical stability in vivo. An excellent linearity ( R 2 = 0.997) with a sensitivity of 1.195 mV mmHg −1 is obtained. Furthermore, cardiac arrhythmias such as ventricular fibrillation and ventricular premature contraction can also be detected by SEPS. The device may promote the development of miniature implantable medical sensors for monitoring and diagnosis of cardiovascular diseases.

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Crossref · 10.1002/adfm.201807560

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Authors
Liu, Z., Ma, Y., Ouyang, H., Shi, B., Li, N., Jiang, D., Xie, F., Qu, D., Zou, Y., Huang, Y., Li, H., Zhao, C., Tan, P., Yu, M., Fan, Y., Zhang, H., Wang, Z. L., & Li, Z.
Affiliations
  • Beihang University (CN)
  • Second Military Medical University (CN)
  • Chinese Academy of Sciences (CN)
  • National Research Center for Rehabilitation Technical Aids (CN)
  • Georgia Institute of Technology (US)
Corresponding author
  • Fan, Yubo
  • Zhang, Hao
  • Wang, Zhong Lin
  • Li, Zhou
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2018-11-23
Volume
29
Issue
3
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2901061669
Cited by
308
References
35
Citations by year
2026: 13 · 2025: 31 · 2024: 46 · 2023: 48 · 2022: 50 · 2021: 48 · 2020: 47 · 2019: 24 · 2018: 1
FWCI
11.98
Type
journal article
Language
en
Open access
closed
Locations
Advanced Functional Materials (publishedVersion)
Funders
  • National Natural Science Foundation of China (61875015, 31571006, 11421202, 81601629, 61501039, 81800443, 21801019)
  • Natural Science Foundation of Beijing Municipality (2182091, 2162017)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
Keywords
triboelectric nanogenerator, self-powered sensors, biomedical implants, cardiac function monitoring, heart failure, flexible sensors, arrhythmia detection, ventricular fibrillation, premature ventricular contractions, porcine model

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