ArticleAnnals of biomedical engineering2026
Development of a Low-Cost Mechanical Hand Prosthesis with Varied Grasp Positions.
Article in Annals of biomedical engineering, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
2 authors.
Funding
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Abstract
purposeThe pricing of high-performance hand prostheses and grasp limitations of low-cost hand prostheses indicate a need for the creation of a cost-effective upper limb prosthesis with high-performance capabilities. The need is particularly relevant for pediatric recreational applications, as it is difficult to finance multiple high-performance devices to match the growth of a child.
methodsWe propose a low-cost upper limb prosthesis, the HelpingHand, to address these concerns through modification of the publicly available e-NABLE Phoenix Hand v2. Custom flexible finger modules and a user-adjustable whippletree mechanism were developed, allowing for swapping between power and precision grasp positions based on selected tension levels. The two designs were then compared through user performance tests with various common household objects and grasp positions.
resultsThe HelpingHand device features wrist actuation and incorporation of various adjustable power and precision grasp patterns with a material price point of under $10. In addition, bioinspired flexible finger modules were created to improve device grasp functionality. User tests demonstrated improvements in device performance in both power and precision grasp positions over current low-cost prosthetic standards.
conclusionsImplementation of user-adjusted grasp positions in an upper limb prosthesis developed with accessible manufacturing methods represents a promising step forward in low-cost device development. With further optimization and validation, the HelpingHand could provide an advancement in low-cost recreational prosthetic technology.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.