期刊
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING
卷 49, 期 12, 页码 1639-1641出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TBME.2002.805483
关键词
plunge needle; unipolar mapping; ventricular fibrillation
资金
- NHLBI NIH HHS [HL-64184] Funding Source: Medline
We developed a new method for fabricating plunge needle electrodes for use in cardiac mapping. The needles have 12 electrodes with 1-mm spacing, are 0.5 mm in diameter, and are fabricated from fiberglass reinforced epoxy. They are stiff enough to be easily inserted into beating hearts and durable enough to. be reused many times. We found that these new needles elicit smaller, more quickly resolving injury potentials, and when inserted in a row with 2-mm spacing, disrupt ventricular fibrillation activation patterns less than,traditional steel needles.
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