Compression Bandage Applicator for Residual Limb Independence
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Solution Overview
Problem
Amputees face difficulties in applying compression bandages independently due to limited mobility and strength, often requiring assistance, which can be painful and lead to medical complications if not properly managed.
Innovation Solution
A self-operable apparatus with a housing, attachment, release, and adjustment mechanisms that allows users to apply compressive bandages without assistance, featuring a handle and assistance mechanisms for easier limb passage and pain-free application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a compressive bandage is applied manually by the patient themselves, then independence is improved, but the ability to apply the bandage is worsened due to limited mobility and strength
Solution Approach 1:
The patent introduces an intermediary device (the applicator apparatus with housing, opening, and attachment mechanism) that mediates between the patient's limited physical capability and the requirement to apply compressive bandages independently. The device allows the patient to thread their limb through the opening and secure the bandage without requiring manual dexterity or strength, thus resolving the contradiction between independence and ability to apply.
2Reliability
If a compressive bandage is applied tightly to ensure effectiveness, then compression quality is improved, but pain and discomfort worsen during application
Solution Approach 1:
The device performs preliminary actions by pre-attaching the compressive bandage to the housing and positioning it before the patient's limb is inserted. The bandage is already in place and properly oriented before contact with the patient, eliminating the need for painful manual stretching and positioning during the actual application process, thus resolving the contradiction between compression quality and pain.
3Ease of operation
If assistance from others is used to apply the bandage, then application ease is improved, but the need for external help worsens the patient's independence
Solution Approach 1:
The device enables self-service by allowing the patient to independently complete the entire bandage application process. The patient threads their limb through the opening, secures the bandage using the attachment mechanism, and adjusts compression as needed—all without requiring assistance from others. This resolves the contradiction by making the application process both easy to perform and completely independent.
4Device complexity
If the opening size is fixed for simplicity, then device complexity is reduced, but adaptability to different limb sizes worsens
Solution Approach 1:
The patent implements a dynamic opening mechanism that can expand and contract to accommodate different limb sizes. The housing includes movable walls or adjustable components that allow the opening diameter to be modified based on the patient's specific needs. This resolves the contradiction by making the device structure adaptable rather than fixed, allowing it to serve multiple patients with different limb dimensions.
Data Source
AI summary
An apparatus for applying a compressive bandage on a residual limb enables a user to apply a compression bandage to his or her residual limb without assistance from a physical therapist or an assistant. As used herein, the compressive bandage serves as a transition layer between a residual limb and a prosthetic device. The apparatus enables a user to apply a compression bandage by simply moving his or her residual limb through the device.