ANTI-BLOCKING NEPHROSTOMY TUBE AND CURVED DRAINAGE NEPHROSTOMY TUBE

WIPO Patent Application WO/2022/237108

A1

An anti-blocking nephrostomy tube (71) and a curved drainage nephrostomy tube. The anti-blocking nephrostomy tube (71) comprises a tube body (710), a mark line (790), at least two drainage grooves (7200) and a drainage channel (7100), wherein the tube body (710) comprises a front tube section (7103) and a rear tube section (7104); the drainage channel (7100) penetrates the rear tube section (7104) and is located inside the rear tube section (7104); the front tube section (7103) has a side surface (7105), and at least part of the side surface (7105) is recessed to form the drainage grooves (7200), each drainage groove (7200) is in communication with the drainage channel (7100), and each drainage groove (7200) has a drainage starting end (7201) and a drainage terminal end (7202), the drainage terminal end (7202) being arranged close to the rear tube section (7104) relative to the drainage starting end (7201), and at least one of the drainage starting end (7201) and the drainage terminal end (7202) among adjacent drainage grooves (7200) having a height difference; and the mark line (790) is configured to be identifiable to highlight the location of the tube body (710).

CHENG YUE (CN)
YAN ZEJUN (CN)
JIANG JUNHUI (CN)

PCT/CN2021/131042

November 17, 2022

November 17, 2021

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NINGBO FIRST HOSPITAL (CN)

A61M25/10

CN113082474A	2021-07-09
CN113318325A	2021-08-31
CN113289207A	2021-08-24
CN106256387A	2016-12-28
US20010021835A1	2001-09-13
CN103463728A	2013-12-25
CN103143108A	2013-06-12
CN201755353U	2011-03-09
US20150297807A1	2015-10-22

NINGBO COIPOR INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)

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