1. PTFE guidewire jẹ iyasọtọ hydrofilic ki o le dinku ijakadi guidewire.
2. Ipari ti guidewire jẹ apẹrẹ J, ni idaniloju pe o ṣoro lati mu jade kuro ninu kidinrin lẹhin biopsy kidirin.
3. Lẹwa lile ni opin ẹhin, nitorinaa o rọrun fun awọn dokita lati ṣe iṣẹ abẹ kidirin biopsy funrararẹ.
4. PTFE ti a bo mu ki iṣẹ abẹ naa dan.