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Title:
NOVEL INVASIVE BLOOD PRESSURE SENSOR
Document Type and Number:
WIPO Patent Application WO/2020/199309
Kind Code:
A1
Abstract:
An invasive blood pressure sensor, comprising a pressure sensing chip (1), and further comprising a peristaltic pump head (2); the peristaltic pump head (2) comprises a rotating wheel (21), the rotating wheel (21) is provided thereon with a connection structure connected to a rotating shaft of an external motor (8), and the peristaltic pump head (2) is internally equipped with a flexible tube (3); an end of the flexible tube (3) is connected to the pressure sensing chip (1), and the other end thereof is connected to a saline bag by means of an infusion tube. The peristaltic pump head (2) is integrated in the blood pressure sensor; the flexible tube (3) is pre-installed in the peristaltic pump head (2), and the flexible tube (3) only needs to be connected to the infusion tube connected to the saline bag, which eliminates the operation of installing the flexible tube (3) in a peristaltic pump when replacing the sensor, and which may further simplify the operation process of replacing the sensor such that the operation of installing the sensor is easier. In addition, the installation effect of pre-installing the flexible tube (3) in the peristaltic pump head (2) is also better than that of on-site installation during use, which can prevent the problem of improper on-site installation.

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WO/2016/138226PRESSURE SENSOR AND GUIDE WIRE WITH SELF WETTING TUBE
WO/2019/043325APPLIANCE FOR THE AMBULATORY MEASUREMENT OF ARTERIAL PRESSURE HAVING A NOISE REDUCER
WO/2020/258118PULSE SIGNAL PROCESSING CIRCUIT AND COLLECTION SYSTEM BASED ON PIEZORESISTIVE PRESSURE SENSOR
Inventors:
LIU GUANGZHI (CN)
Application Number:
PCT/CN2019/086611
Publication Date:
October 08, 2020
Filing Date:
May 13, 2019
Export Citation:
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Assignee:
SUZHOU RAINMED MEDICAL TECH CO LTD (CN)
International Classes:
A61B5/021; A61B5/0215
Foreign References:
CN109363651A2019-02-22
CN104736849A2015-06-24
CN205729344U2016-11-30
US20080154214A12008-06-26
US20150112210A12015-04-23
CN1871997A2006-12-06
CN205215851U2016-05-11
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT&TRADEMARK AGENCY LTD. (CN)
Download PDF:
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