A partitioned cooperative compensation control type modular decompression bed and a control system thereof

By using a modular decompression bed with zoned collaborative compensation control, the height and horizontal linkage compensation of adjacent decompression support pads is achieved, solving the shear force problem at the module joints, reducing the incidence of pressure ulcers and improving nursing safety.

CN122398563APending Publication Date: 2026-07-17ANHUI PROVINCIAL HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ANHUI PROVINCIAL HOSPITAL
Filing Date
2026-06-08
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing modular decompression beds lack coordinated control between adjacent modules, resulting in step-like height differences at module joints, creating shear forces, increasing the risk of skin damage, and failing to dynamically adjust according to the patient's real-time pressure distribution and positional changes.

Method used

The modular decompression bed with zoned collaborative compensation control acquires patient data through an integrated control unit and multiple sets of sensors. It utilizes a track self-control adjustment device and an internal adaptive adjustment device to achieve height linkage compensation and horizontal micro-displacement compensation between adjacent decompression support pads. Combined with high-risk area priority control and fault self-healing module, it eliminates shear force in real time and automatically adjusts when the patient's position changes.

Benefits of technology

It significantly reduced the incidence of pressure ulcers, kept peak shear force within a safe threshold, and provided priority decompression to high-risk areas within 3 seconds, reducing the incidence of pressure ulcers by more than 60% and minimizing blind spots in nursing care and patient discomfort.

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Abstract

本发明公开了一种分区协同补偿控制型模块化减压床及其控制系统,属于医疗器械技术领域,包括安装有集成控制单元的减压床体,减压床体上方设置有可更换床板,可更换床板通过卡接组合件与减压床体连接,系统包括数据采集模块、分区协同控制模块、高危区域优先调控模块、故障自愈模块和模式自适应切换模块。本发明通过相邻减压支撑垫之间的高度和水平联动补偿算法,实时消除模块接缝处因高度差和压力梯度产生的皮肤剪切力,使剪切力峰值控制在安全阈值内,从根本上减少剪切力对组织的损伤,显著降低压疮发生率,基于压力时间积分实时识别腰骶部、足跟部等高危区域,当累积压力超限时自动触发主动卸载,并协同相邻模块形成减压通道。
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