{'fraction_non_alphanumeric': 0.02696629213483146, 'fraction_numerical': 0.0, 'mean_word_length': 5.109589041095891, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
[Drain for maintaining patency of an intranasal Antrostomy (author's transl)].

We developed a plastic drain for maintaining patency of an intranasal antrostomy. The drain can be easily inserted through the nasoantrostomy by means of a curved blunt hemostat. Repeated irrigation of the maxillary sinus is possible through, a wide canal, and the appropriate solutions are instilled. The drain can be removed after two months without any problems.