{ "id": "AIBD-0372", "title": "Chongqing Bio-Intelligent Manufacturing Research Institute's muscle-signal “smart hand” lets bilateral amputee Wang Bing eat, drink, shake hands and write his name", "summary": "Guangming Daily (13 August 2024): Wang Bing, who lost both hands, uses the institute's algorithm-decoded “smart hand” to eat with a spoon, drink, shake hands, rotate his wrist and write his name.", "date_observed": "2024-08-13", "date_basis": "unassessed", "date_precision": "unassessed", "benefit_status": null, "source_collection": null, "source_entry": null, "account": "A Guangming Daily feature (13 August 2024) on Chongqing's Liangjiang New Area opens with Wang Bing. He lost both hands in an accident a few years earlier, leaving half of each forearm. He says he now uses the “smart hand” to eat with a spoon, drink from a cup, shake hands and rotate his wrist. He manages daily life alone and can grip a pen and write his name. Xie Haiqiong, director of the Chongqing Bio-Intelligent Manufacturing Research Institute at Mingyue Lake, says researchers devised a scheme. It detects and identifies electrical signals at suitable muscle sites and processes them by algorithmic analysis. So the user controls the hand by intention, not passive motion. Fiscal funds arriving since 2023 under the district's grant-to-equity model supported the project. The institute formed a company to incubate the exoskeleton project (Guangming Daily via Haiwainet and NetEase). The fitting date is not given.", "category": "benefit created", "unexpected": false, "purpose": "Built to let a person with amputated hands control a prosthetic hand through muscle signals. The daily-task function Wang Bing describes is that purpose. The feature frames the project as an example of the district's policy for commercializing research.", "system": "'Smart hand' (智能手) muscle-signal prosthetic hand from the institute's exoskeleton robot project", "model_version": null, "developer": "Chongqing Bio-Intelligent Manufacturing Research Institute (重庆生物智能制造研究院), Liangjiang New Area", "deployer": "Chongqing Bio-Intelligent Manufacturing Research Institute", "location": "Chongqing, China", "domain": "Healthcare / prosthetics and rehabilitation", "segment": "Upper-limb prosthetics", "benefit_type": "Improved Accessibility", "taxonomy_note": null, "registry_ids": { "oecd_aim": "2024-08-13-08d8" }, "ratings": [ { "group": "personal", "depth": 3, "reason": "Per Guangming Daily, Wang Bing, who lost both hands, says he eats with a spoon, drinks from a cup, shakes hands and rotates his wrist. He writes his name and manages daily life alone with the device. A capability restored, reported in his words without clinical assessment." } ], "ai_role": { "status": "unassessed", "statement": "The only description of the technology is institute director Xie Haiqiong's, as quoted by Guangming Daily. It is a scheme that detects and identifies electrical signals at suitable muscle sites and processes them by algorithmic analysis. That lets the user control the hand by intention. No source names a machine-learning method, model, training procedure or accuracy figure. The Monitor's “AI-driven” label rests on that description. The functional gains are Wang Bing's own account in a newspaper feature about the district's commercialization policy. No clinician or independent evaluation is cited." }, "evidence": [ { "kind": "news report", "citation": "李宏, 黄汉鑫, 张国圣 (2024). 让更多\"硬核\"技术项目落地生根——重庆两江新区为新型研发机构畅通产业化路径. 光明日报 (Guangming Daily), 13 August 2024, republished by 海外网.", "title": "让更多\"硬核\"技术项目落地生根——重庆两江新区为新型研发机构畅通产业化路径", "url": "https://news.haiwainet.cn/n/2024/0813/c3544276-32780272.html", "date": "2024-08-13", "written_by": "independent", "quote": "如今，他不仅实现了生活自理，还可以写字，用\"智能手\"抓住一支笔，就能写出自己的名字。" }, { "kind": "news report", "citation": "李宏, 黄汉鑫, 张国圣 (2024). 让更多\"硬核\"技术项目落地生根. 光明日报 (Guangming Daily), 13 August 2024, republished by 网易 (second quotation).", "title": "让更多\"硬核\"技术项目落地生根——重庆两江新区为新型研发机构畅通产业化路径", "url": "https://m.163.com/news/article/J9FSKJ28000189FH.html", "date": "2024-08-13", "written_by": "independent", "quote": "我们组织研究人员进行科研攻关，迅速制定了检测、识别适当肌肉处的电信号并经算法分析和处理的技术方案。" }, { "kind": "registry label", "citation": "OECD AI Incidents and Hazards Monitor (2024). AI-powered Prosthetic Hand Restores Function for Chongqing Amputee. OECD.AI, 13 August 2024.", "title": "AI-powered Prosthetic Hand Restores Function for Chongqing Amputee", "url": "https://oecd.ai/en/incidents/2024-08-13-08d8", "date": "2024-08-13", "written_by": "independent", "quote": "decodes muscle signals via algorithms, allowing amputee Wang Bing to perform daily tasks like eating and writing" } ], "replication": { "produced_by": [ "Electrical signals detectable at suitable muscle sites on the residual forearms", "An algorithmic scheme that identifies those signals and maps them to hand and wrist movements", "Institute researchers fitting and tuning the device for one user, with district fiscal grants converted to equity" ], "must_hold": [ "Enough residual muscle to produce usable signals", "Training time for the user to control the hand by intention", "Continued funding and a company to maintain and produce the device" ], "echoes": [] }, "paired_incident": null, "headline": "A muscle-signal “smart hand” returns daily tasks to Wang Bing", "metric": null, "comparator": null, "later": null, "value": null, "developer_country": null, "deployer_country": null, "unrated_because": null, "brief_notes": null, "brief": null, "revisions": [ { "date": "2026-10-21", "change": "Record drafted from the OECD Monitor entry and the cited sources.", "source": "https://oecd.ai/en/incidents/2024-08-13-08d8", "editor": "AIBD" }, { "date": "2026-10-21", "change": "Prose pass: a rating reason, account, purpose, the system's part rewritten in shorter sentences with abbreviations expanded; facts, figures and quotations unchanged.", "source": null, "editor": "AIBD" } ], "confidence": "reported", "shade": "medium", "claim_status": "Independently reported", "claim_basis": "Sources: two independent news reports and a registry entry. 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He lost both hands in an accident a few years earlier, leaving half of each forearm. He says he now uses the “smart hand” to eat with a spoon, drink from a cup, shake hands and rotate his wrist. He manages daily life alone and can grip a pen and write his name. Xie Haiqiong, director of the Chongqing Bio-Intelligent Manufacturing Research Institute at Mingyue Lake, says researchers devised a scheme. It detects and identifies electrical signals at suitable muscle sites and processes them by algorithmic analysis. So the user controls the hand by intention, not passive motion. Fiscal funds arriving since 2023 under the district's grant-to-equity model supported the project. The institute formed a company to incubate the exoskeleton project (Guangming Daily via Haiwainet and NetEase). 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He writes his name and manages daily life alone with the device. A capability restored, reported in his words without clinical assessment." } ] } }, "provenance": { "kind": "legacy_record", "basis": "Preserved from the existing AIBD record; external sources were not rechecked.", "record_fields": [ "ratings" ], "source_refs": [] }, "review_state": "record_mapped", "coverage": "partial" }, "outcomes[].status": { "state": "not_assessed", "review_state": "not_assessed", "coverage": "partial" }, "outcomes[].tradeoffs": { "state": "not_assessed", "review_state": "not_assessed", "coverage": "partial" }, "outcomes[].unexpected": { "state": "value_present", "value": { "kind": "record_fields", "fields": { "unexpected": false, "purpose": "Built to let a person with amputated hands control a prosthetic hand through muscle signals. The daily-task function Wang Bing describes is that purpose. 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He lost both hands in an accident a few years earlier, leaving half of each forearm. He says he now uses the “smart hand” to eat with a spoon, drink from a cup, shake hands and rotate his wrist. He manages daily life alone and can grip a pen and write his name. Xie Haiqiong, director of the Chongqing Bio-Intelligent Manufacturing Research Institute at Mingyue Lake, says researchers devised a scheme. It detects and identifies electrical signals at suitable muscle sites and processes them by algorithmic analysis. So the user controls the hand by intention, not passive motion. Fiscal funds arriving since 2023 under the district's grant-to-equity model supported the project. The institute formed a company to incubate the exoskeleton project (Guangming Daily via Haiwainet and NetEase). 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