Dual Housing Patient Lifting Assembly with Cable Handles
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Solution Overview
Problem
Existing lifting devices for bedridden users lack the ability to assist individuals into an upright, seated position independently, requiring caregiver assistance.
Innovation Solution
A patient lifting assembly comprising two housings coupled to vertical support surfaces, with retractable and extendable cables and handles, allowing users to transition into an upright position using a remote control, eliminating the need for caregiver assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional lifting devices are used, then users can be assisted in position changes, but caregiver assistance is still required and user independence is limited
Solution Approach 1:
The lifting device is divided into two separate housings - a first housing positioned near the user's head and a second housing positioned near the user's feet. Each housing independently controls one end of the positioning system, allowing distributed control and improved user independence while managing system complexity through modular design
Solution Approach 2:
A cable system acts as an intermediary between the two housings and the user's body. The cables transmit mechanical force from the housings to the user, enabling position changes without direct caregiver intervention while maintaining manageable device complexity through the use of simple mechanical transmission elements
2Productivity
If manual lifting methods are used, then device complexity is low, but productivity and time efficiency are reduced due to caregiver involvement
Solution Approach 1:
The system enables self-service positioning by allowing users to control their own repositioning through the two-housing cable mechanism. This eliminates the need for caregiver assistance in position changes, improving productivity and time efficiency while the automated mechanical system manages the complexity of the lifting function
Solution Approach 2:
The positioning system uses dynamic cable tension control through the two housings to adapt to different user positions and movement requirements. This dynamic adjustment capability improves positioning efficiency and user comfort while the mechanical simplicity of cables and housings keeps device complexity manageable
Data Source
AI summary
A patient lifting assembly includes a first housing that is coupled to a vertical support surface to be positioned adjacent to a user's head when the user is lying in a bed. A first cable is retracted or extended outwardly from the first housing. A first handle is coupled to the first cable and the first handle can be gripped by a user to urge the user toward the head of the bed. A second housing is coupled to a vertical support surface to be positioned adjacent to a user's feet when the user is lying in the bed. A second cable is retracted or extended outwardly from the second housing. A second handle is coupled to the second cable and the second handle can be gripped by a user to urge the user into an upright, seated position.