Title:
PRESSURE ADJUSTMENT DEVICE SUITABLE FOR BETWEEN ATRIA
Document Type and Number:
WIPO Patent Application WO/2019/015617
Kind Code:
A1
Abstract:
Disclosed is a pressure adjustment device (100) suitable for between atria, the device being of a cylindrical structure. The device comprises, in an axial direction of the cylindrical structure, an atrial septum passage (130) and an outflow tract (140) successively arranged in a direction of blood flow, wherein one side, away from the outflow tract (140), of the atrial septum passage (130) is provided with an inflow port; a valve flap which opens unidirectionally is arranged in the outflow tract (140), and the cylindrical structure is provided with a first positioning part (120) and a second positioning part (150) respectively bearing against two sides of an atrial septum. By means of the pressure adjustment device (100) suitable for between the atria, a valve structure which opens unidirectionally is formed on the atrial septum, the position where the valve structure matches the atrial septum is stable, and when the position where the valve structure is settled is inappropriate, it is possible to take the valve structure back and then release same again.
Inventors:
WANG YONGSHENG (CN)
QI JUN (CN)
WU JUNFEI (CN)
LI JIANMIN (CN)
ZI ZHENJUN (CN)
QI JUN (CN)
WU JUNFEI (CN)
LI JIANMIN (CN)
ZI ZHENJUN (CN)
Application Number:
PCT/CN2018/096169
Publication Date:
January 24, 2019
Filing Date:
July 18, 2018
Export Citation:
Assignee:
HANGZHOU NUOSHENG MEDICAL TECH CO LTD (CN)
International Classes:
A61B17/00; A61F2/24
Domestic Patent References:
| WO2010128501A1 | 2010-11-11 |
Foreign References:
| CN104971390A | 2015-10-14 | |||
| CN105555204A | 2016-05-04 | |||
| CN102458316A | 2012-05-16 | |||
| US20110218477A1 | 2011-09-08 |
Attorney, Agent or Firm:
SHENZHEN REFINED INTELLECTUAL PROPERTY OFFICE (GENERAL PARTNERSHIP) (CN)
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