A negative pressure sputum suction device based on automatic identification of voltage
By estimating sputum viscosity online and using biomimetic adaptive waveform suction, combined with multi-point differential pressure positioning and multi-parameter fusion safety window calculation, the problem of ineffective suction and damage in sputum with inconsistent viscosity in existing negative pressure suction devices has been solved, achieving precise unblocking and safety protection.
CN122031795BActive Publication Date: 2026-07-24XIAMEN YUEFENG MEDICAL TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIAMEN YUEFENG MEDICAL TECH CO LTD
- Filing Date
- 2026-04-13
- Publication Date
- 2026-07-24
Smart Images
Figure CN122031795B_ABST
Abstract
The present application relates to the technical field of negative pressure sputum suction device, disclose a kind of based on automatic identification voltage's negative pressure sputum suction device, utilize sputum viscosity estimation module by to pipeline upstream and downstream pressure difference data and flow data are combined operation, obtain sputum viscosity estimation value, controller is accordingly dynamically generated and contains negative pressure climb, peak platform superimposed high-frequency micro-pulse disturbance and slowly release three section structure's bionic attraction waveform.Multiple-point pressure difference positioning module is positioned to the blockage position by the pressure difference sensor array arranged along pipeline, and hierarchical dredging module is targeted negative pressure pulse intervention according to blockage position and blockage component type.Utilize the circuit board in the controller inside detection input voltage, judge input voltage is 110V or 220V, then automatically switch to corresponding line, carry out double voltage self-adaption.
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Respiratory tract phlegm blockage monitoring method and device
CN121196519A
Intelligent oral sputum suction system based on multi-parameter feedback and self-adaptive pressure adjusting method
CN121731568A