Skip to content

Patients › Rehabilitation

腕关节融合术

全腕关节融合术(关节融合术)后的康复计划,其中磨损的腕关节通过背侧钢板固定以实现牢固融合,从而在设计上不再活动,同时从早期开始保持手指、拇指和前臂旋转的活动,并在骨性愈合后逐步增强握力。

全腕关节融合术示意图,使用一块钢板从前臂骨延伸至手部进行固定。
腕关节融合术:一块钢板将腕骨牢固固定,使其融合为一个整体。此举消除了因关节炎引起的疼痛性活动,代价是牺牲腕关节的屈伸功能,但前臂旋转功能(主导大多数日常活动)得以保留。 Kieran Hirpara 4.0

机器翻译,已经临床审核。

本方案指导您在基兰·希尔帕拉(Kieran Hirpara)医生处接受腕关节融合术(又称腕关节融合,一种将磨损的腕关节永久固定以使其不再活动的操作)后的康复过程,该手术在罗克汉普顿 Mater 私人医院(Mater Private Hospital Rockhampton)进行。本方案从您的家庭锻炼计划开始,随后是专为您的手部治疗师撰写的结构化临床方案:请将此页面或其 PDF 文件带给您的首次治疗就诊,以确保您的康复过程协调一致。您的治疗师可能会根据您的康复进展调整计划。

如果您对术后伤口有任何疑虑,请与诊室联系。拍摄伤口照片并通过电子邮件发送以供审查通常很有帮助。

预期情况

全腕关节融合术适用于所有腕关节均严重磨损(终末期或“全腕”关节炎)且活动时伴有疼痛的腕关节。该手术并非试图保留磨损关节的活动度,而是有意消除腕关节的活动:通过使用沿腕背侧放置的背侧钢板,将前臂骨(桡骨)与手部骨骼(掌骨)连接固定,使腕关节以利于抓握的轻微后伸位(轻度背伸)牢固融合。在接下来的数周内,骨骼会愈合(联合)成一个坚固的整体。

该康复方案的关键理念与大多数手术相反:腕关节被设计为停止活动:这正是治疗目的,而非并发症。 因此,康复目标并非恢复腕关节活动度,也不包括弯曲或伸直腕关节的锻炼。相反,整个康复过程旨在保护融合术未涉及且对手部功能至关重要的两个方面:

  • 手指和拇指必须保持完全活动。 手指僵硬是导致腕关节融合术效果不佳的主要原因,因此手指和拇指的活动从术后第一天开始。
  • 前臂旋转(手掌向上和向下翻转)功能得以保留。 融合术不涉及此动作,且前臂旋转将承担腕关节原有的大部分功能(如转动钥匙、水龙头和门把手),因此从一开始就保持其灵活性。

由于背侧钢板提供了牢固的骨骼固定(稳定固定),在骨骼愈合期间需佩戴夹板约六周,并鼓励早期进行手指和前臂活动,而非限制活动。一旦外科医生确认骨骼愈合,即可开始握力强化训练。许多患者在腕关节融合术后功能良好,且由于抓握不再疼痛,其握力往往较术前疼痛的腕关节有所提高。

注意事项与限制

  • 切勿尝试活动腕关节本身:腕关节已按设计实现牢固融合。无论现在还是将来,均无腕关节屈伸锻炼。
  • 务必从术后第一天起保持手指、拇指及前臂旋转功能充分活动:这是对您手部功能恢复最为关键的一点。
  • 请按医嘱佩戴夹板或敷料,直至骨性愈合,以提供舒适与保护;保持其清洁干燥。
  • 切勿负重或用力握持,并避免提起超过轻水杯重量的物品,直至融合处骨性愈合且经医生许可(通常在术后六至八周):在骨性愈合前负重可能导致内固定钢板或融合失败。
  • 切勿在佩戴夹板期间或无法安全操控车辆时驾驶;待拆除夹板并经复查确认您可安全操控方向盘后,方可恢复驾驶。

关于伤口、肿胀及瘢痕管理,请参阅本诊所的伤口护理指南。

您的锻炼

这些是您讲义中的锻炼项目。仅在 Hirpara 医生和您的手部治疗师的指导下开始这些锻炼。早期锻炼旨在保护融合术后保留的功能(手指和拇指活动、前臂旋转以及肿胀控制),且均不涉及腕关节,腕关节将保持稳固。握力强化属于后期阶段,必须在融合愈合且您获得明确许可后方可开始。如果腕背侧出现锐痛,请立即停止任何相关动作。

您的临床方案

本页面其余部分为腕关节融合术后的分阶段康复临床方案。本节内容将提供给您的手部治疗师,每个阶段均以通俗语言解释当前的治疗目标。本方案不设定腕关节活动度(ROM)目标:桡腕关节(通常还包括第三腕掌关节)已通过背侧钢板进行融合。该方案旨在骨性愈合期间维持手指活动度、前臂旋转功能并控制水肿,随后在稳定的内固定结构基础上增强握力。

治疗前,请查阅患者的手术记录和既往病史,并与主刀医生沟通内固定情况(背侧融合钢板;第三腕掌关节是否包含在内或保留)、腕关节融合位置、是否使用骨移植以及骨愈合状态。Hirpara 医生使用背侧钢板将腕关节融合于轻度背伸位;由于固定稳定,仅使用轻型夹板或敷料以提供舒适感,而非长期严格石膏固定,早期手指和前臂活动是首要任务。

第一阶段 — 保护内固定物,活动未融合关节(第0至6周)

前六周在保护愈合中的融合部位的同时,保持所有未融合关节的完全活动度。佩戴轻便夹板或敷料以提供舒适感。禁止腕关节活动(内固定物设计为刚性结构),重点完全放在手指、拇指、前臂和消肿上。

致手部治疗师:

教育与注意事项 - 夹板/敷料用于舒适和保护,直至临床和影像学证实骨性愈合;鉴于钢板固定稳定,无需进行长期的刚性石膏固定 - 禁止腕关节活动: 桡腕关节/腕掌关节已融合;无关节活动度(ROM)目标 - 禁止负重握持或提起超过轻握杯子的重量,直至确认愈合 - 监测指僵硬:指僵硬是腕关节融合术后影响预后的主要威胁

管理措施 - 伤口:按医嘱进行外科敷料处理;约10–14天拆线并复查夹板/X线;监测感染迹象 - 水肿:抬高至心脏水平以上,轻柔的手指泵动练习,必要时冰敷 - 锻炼:从第一天起进行手指和拇指的完全主动关节活动度(AROM)练习(握拳→完全伸展,拇指对掌);前臂主动旋前/旋后;肩关节和肘关节主动活动度练习;禁止腕关节活动,禁止抗阻握力练习

进阶标准 - 伤口愈合;维持完全或接近完全的手指关节活动度;约六周时出现早期影像学愈合征象

第二阶段——确认骨性愈合,开始握力负荷(第6至12周)

约在术后6周,X线片上通常可见融合处正在愈合;一旦外科医生确认愈合,即可拆除夹板并开始握力强化训练。前臂和手指的功能训练继续进行;在确认骨性愈合之前,腕关节保持融合状态且不负重。

致您的手治疗师:

评估 - 在开始负荷训练前,与主治外科医生确认愈合状态;测量手指关节活动度(ROM);评估前臂旋转活动范围;记录握力基线;检查伤口/瘢痕情况

教育和注意事项 - 仅在外科医生确认骨性愈合后(通常为术后6至8周)开始握力训练和轻度负荷 - 背侧腕部的内固定物位于皮下;注意观察是否有突起/刺激症状并及时报告 - 全程优先确保手指完全活动度

管理措施 - 训练项目:一旦确认骨性愈合,开始进行渐进式握力强化训练(软球→治疗泥→分级握力器);伤口愈合后开始瘢痕管理;继续前臂旋转和手指完全活动度训练;引入轻度的功能性手部使用 - 教育患者,在日常任务(如钥匙、水龙头、旋转动作)中,前臂旋转将替代已丧失的腕关节活动度

进阶标准 - 确认骨性愈合;无痛性轻度握力;手指完全活动度;瘢痕柔软可推动

第三阶段——强化与负荷恢复(第12周及以后)

一旦骨融合牢固,便无需再为保护关节而限制活动;手部可按耐受程度进行负荷训练并逐步加强。握力及手部整体力量在随后数月内持续改善,通常可达到优于术前的水平,因为此时抓握已无痛。

供手部治疗师参考:

评估 - 与健侧对比的握力;功能性及工作/任务特异性测试;内固定物耐受性

教育与注意事项 - 骨愈合后无活动限制;按耐受程度逐步增加负荷 - 重体力/手动负荷应逐步增加;力量提升可持续至术后约12个月

管理 - 练习:渐进性抗阻握力及前臂强化训练;分级恢复功能性及工作相关任务;继续任何残留的手指活动度训练 - 若握力达到功能水平且持续改善,并能胜任日常活动,可考虑出院;若出现手指僵硬、内固定物持续刺激或预后不良,请转诊至主治医生

负荷恢复标准 - 骨融合牢固;握力具有功能性且持续改善;任务特异性负荷无痛

重返工作与活动

在融合未愈合前,只要不用力握持或提起超过轻杯重量的物品,鼓励从术后即刻开始进行舒适范围内的日常手部轻度活动(如进食、书写、轻度自理)。由于佩戴支具期间或无法安全操控车辆时严禁驾驶,早期需安排他人协助交通;待拆除支具且经复查确认可安全操控方向盘后,方可恢复驾驶。

握持、提举和牵拉等负重活动需待融合愈合(通常约需6至8周)并经医生许可后,再逐步增加强度。大多数人约在3个月时可重返办公室工作或轻度劳动,重体力或手工劳动则需更晚,具体进展由Hirpara医生和您的手部治疗师根据临床标准而非仅凭日历时间进行评估。握力可持续改善长达1年,且因原本磨损的腕关节不再疼痛,许多患者术后的握力更强、手部活动更自如,优于术前状态。

术后方案

本方案与诊所的一般康复建议并行:请参阅术后疼痛管理伤口护理瘢痕管理。上述分阶段计划反映了全腕关节融合术后的已发表结果和康复指导,您的持续康复将由Hirpara医生和您的手部治疗师根据您的融合进展和手部恢复情况个体化指导。


Evidence & references

This is the clinical evidence summary written for health professionals. It is technical, and it lists the research this page was built from. You do not need to read it to understand your treatment or to make a decision about it.

Total Wrist Arthrodesis — Procedure Outcomes & Post-operative Rehabilitation (Radiocarpal Fusion, Dorsal Plate)

Topic scope: post-operative rehabilitation after total wrist arthrodesis — permanent surgical fusion of the radiocarpal (and usually the third carpometacarpal) joints with a dorsal arthrodesis plate, for end-stage pancarpal (panarticular) arthritis of the wrist. This is a salvage reconstruction that deliberately abolishes wrist motion, not a motion-preserving operation, so the rehabilitation has no wrist-ROM goal. It is built around preserving the joints the fusion leaves free — the fingers, thumb and forearm rotation — and controlling oedema while the fusion unites, then progressive grip loading once united.

Defining principle of the rehab here: total wrist fusion trades motion for a stable, pain-free wrist. The whole wrist is set solid (radius → metacarpals) in slight extension; loss of wrist movement is the intended endpoint, not a deficit to be rehabilitated. Modern dorsal locking-plate fixation is rigid enough that prolonged casting is unnecessary — so the deliberate priorities are early digital and forearm-rotation motion (digital stiffness is the principal threat to a good result) and swelling control, with grip strengthening deferred until radiographic union (typically 6–8 weeks). The single branch point is union status: loading is gated on the surgeon confirming the fusion has consolidated, after which there are no motion restrictions to protect.


A. PROCEDURE OUTCOMES (total wrist arthrodesis, dorsal plate)

Total wrist arthrodesis is a reliable, durable salvage for the painful, arthritic wrist that has failed non-operative care: the great majority of patients obtain lasting pain relief and a stable hand, accepting the loss of wrist motion in exchange.

  • High union rates and durable pain relief. Plate arthrodesis is a well-established, reproducible operation; published series and the JAAOS review of indications and outcomes report reliable fusion, good pain relief and high patient satisfaction, with most patients willing to undergo it again [Wei & Feldon, JAAOS 2017; Shah et al., J Hand Surg Am 2022 — technique/modifications]. Moderate–strong (review + technique series).
  • Grip strength is preserved or improves. Because gripping is no longer painful and the wrist is a stable platform, grip strength after fusion is typically equal to or better than the painful pre-operative wrist. A 2026 systematic review and meta-analysis of long-term grip strength after total wrist fusion (comparing inclusion vs sparing of the third CMC joint) confirms maintained long-term grip with comparable complication profiles between the two constructs [Lawson-Smith et al., J Hand Surg Glob Online 2026]. Moderate (SR/meta-analysis).
  • Function is good for daily tasks; forearm rotation compensates for lost wrist motion. Patients adapt well because forearm pronation/supination (unaffected by the fusion) substitutes for much of the lost wrist arc in activities such as turning keys, taps and handles. Carpometacarpal-joint– sparing plate designs aim to retain a small amount of motion and reduce distal hardware issues [Briotti et al., HAND 2022 — Medartis CMC-sparing plate]. Moderate (cohort).
  • Complications are defined and manageable. Principal complications are nonunion, hardware prominence/irritation requiring plate removal (the dorsal plate is subcutaneous), wound issues, and adjacent-segment problems (distal radioulnar joint / digital stiffness). These are recognised, generally treatable, and informed-consent staples rather than common catastrophes [Wei & Feldon, JAAOS 2017; Kalb & Prommersberger, Oper Orthop Traumatol 2009 — AO plate technique]. Moderate.

B. REHABILITATION / THERAPY EVIDENCE

The rehab questions after total wrist fusion are different from a motion-preserving operation: there is no wrist arc to recover. The evidence and consensus instead converge on early mobilisation of the unfused joints, oedema control, and union-gated grip loading, exploiting the stability of modern plate fixation.

  • Stable plate fixation permits early digital and forearm motion. Rigid dorsal locking-plate constructs are robust enough that prolonged rigid immobilisation is unnecessary; a light splint or dressing for comfort, with immediate finger, thumb and forearm-rotation motion, is the intended default [Shah et al., J Hand Surg Am 2022; Kalb & Prommersberger, Oper Orthop Traumatol 2009]. Moderate (technique consensus).
  • Preserving digital range is the priority — stiffness is the main avoidable failure. Because the hand's function after fusion depends entirely on the joints left mobile, full active finger and thumb range from day one, plus preserved forearm rotation, is the core therapeutic aim. This is a mechanistic/consensus position rather than one from comparative rehab trials. Weak–moderate (mechanism strong, dedicated rehab RCTs absent).
  • Grip strengthening is deferred to union, then progressed freely. Loaded grip is withheld until the surgeon confirms radiographic union (commonly 6–8 weeks), after which there are no motion restrictions and strengthening is progressed as tolerated; grip continues to improve for several months. Consensus / protocol-based.
  • Hand therapy targets the free joints, not the wrist. Published patient-guidance protocols and surgical references describe early referral to a hand therapist for finger and forearm mobility and later putty-based grip strengthening — there is no wrist-ROM component by design [AAOS OrthoInfo — Wrist Fusion; institutional post-op protocols]. Consensus (patient-guidance).

Recovery trajectory (expected, evidence-anchored)

Phase Window Restraint Hand use / therapy focus Strength / load Notes
I — Protect construct, mobilise free joints Week 0–6 Light splint/dressing for comfort; no wrist motion (fused) Elevate; immediate full finger + thumb AROM; forearm pronation/supination; elbow/shoulder ROM; oedema control Light functional use only; no loaded grip / lifting > a light cup Sutures + splint/X-ray review ~10–14 days. Digital stiffness is the chief threat
II — Confirm union, begin grip loading Week 6–12 Loading gated on surgeon-confirmed union (≈6–8 wk) Splint discarded at union; progressive grip (ball → putty → grippers); scar massage once healed; continue forearm + digital ROM Grip introduced light → graded after union Forearm rotation substitutes for lost wrist motion. Watch dorsal hardware prominence
III — Strengthening & return to load Week 12 → 12 months None once united Progressive resisted grip/forearm strengthening; work-/task-specific loading Full load as tolerated; heavy/manual built up gradually Office/light work ~3 months; strength improves up to ~12 months, often exceeding pre-op (pain-free grip)

(Phase windows mirror the precautions and recovery structure in the patient protocol; they are typical guides anchored to union, not trial-derived deadlines.)


C. KEY CONTROVERSIES / EVIDENCE QUALITY

  1. Fusion vs total wrist arthroplasty. The central modern controversy. Systematic review of total wrist arthroplasty versus arthrodesis (originally in rheumatoid disease) found insufficient evidence to declare either superior, with arthroplasty preserving some motion at the cost of higher revision/implant-related complications, and fusion offering durability at the cost of motion [Cavaliere & Chung, Plast Reconstr Surg 2008]. A cost-utility analysis found arthrodesis and arthroplasty both reasonable, with trade-offs in motion, complications and cost [Cavaliere & Chung, J Hand Surg Am 2010]. The "where are we now" synthesis frames the choice as patient-specific (demand, bilateral disease, expectations) rather than a settled winner [Jump, Trail & Talwalkar, J Hand Surg Eur 2025]. Moderate; genuine equipoise.
  2. Arthrodesis as salvage for failed arthroplasty. Total wrist fusion reliably salvages a failed total wrist arthroplasty, though such salvage fusions behave somewhat differently (bone loss, grafting) from primary arthrodesis [Zijlker et al., J Hand Surg Eur 2021]. Moderate.
  3. Include or spare the third CMC joint. Constructs differ in whether the plate crosses the third carpometacarpal joint. Long-term grip and complication outcomes are broadly comparable between inclusion and sparing, with CMC-sparing designs aiming to reduce distal hardware issues and retain a trace of motion [Lawson-Smith et al., J Hand Surg Glob Online 2026; Briotti et al., HAND 2022]. Moderate.
  4. Hardware prominence and removal. The subcutaneous dorsal plate is a recognised source of irritation and a common reason for elective hardware removal once the fusion is solid — expected, not a failure of the operation [Wei & Feldon, JAAOS 2017]. Moderate.
  5. Special populations. In spastic/neurological wrists (e.g. cerebral palsy), fusion changes hand function in nuanced ways — improving positioning but with task-specific trade-offs — underlining that the goal is a useful stable position, not motion [Hargreaves, Warwick & Tonkin, J Hand Surg Br 2000]. Moderate (specialised cohort).

D. EVIDENCE STRENGTH FLAGS (summary)

  • STRONG (SR / meta-analysis): preserved-to-improved long-term grip strength after total wrist fusion; comparable outcomes between CMC-inclusion and CMC-sparing constructs [Lawson-Smith et al. 2026].
  • MODERATE: reliable union, durable pain relief and high satisfaction with plate arthrodesis [Wei & Feldon 2017; Shah et al. 2022]; genuine equipoise between fusion and arthroplasty with motion-vs-durability/complication trade-offs [Cavaliere & Chung 2008, 2010; Jump et al. 2025]; fusion as salvage for failed arthroplasty [Zijlker et al. 2021]; defined complication set (nonunion, hardware removal, DRUJ/digital adjacent issues).
  • WEAK / CONSENSUS: the specific early digital/forearm-motion, union-gated grip rehabilitation programme (mechanistically rationalised — stiffness avoidance — with no dedicated rehab RCTs); exact phase timings (typical, anchored to union rather than trial-derived); stable-fixation early-motion default from technique consensus [Shah et al. 2022; Kalb & Prommersberger 2009].

CITATIONS

RAG corpus (180,000+ Orthopaedic articles)

  • Total Wrist Arthrodesis: Indications and Clinical Outcomes. J Am Acad Orthop Surg. 2017. DOI: 10.5435/jaaos-d-15-00424
  • Radiocarpal Fusion: Indications, Technique, and Modifications. J Hand Surg Am. 2022. DOI: 10.1016/j.jhsa.2022.04.002
  • Long-term Grip Strength and Complications After Total Wrist Fusion With and Without Inclusion of the Third Carpometacarpal Joint: A Systematic Review and Meta-analysis. J Hand Surg Glob Online. 2026. DOI: 10.1016/j.jhsg.2026.101022
  • Wrist Arthrodesis Using the Medartis Carpometacarpal Joint Sparing Plate. HAND. 2022. DOI: 10.1177/15589447221141474
  • A Systematic Review of Total Wrist Arthroplasty Compared with Total Wrist Arthrodesis for Rheumatoid Arthritis. Plast Reconstr Surg. 2008. DOI: 10.1097/prs.0b013e318180ece3
  • A Cost-Utility Analysis of Nonsurgical Management, Total Wrist Arthroplasty, and Total Wrist Arthrodesis in Rheumatoid Arthritis. J Hand Surg Am. 2010. DOI: 10.1016/j.jhsa.2009.12.013
  • Arthrodesis or arthroplasty, complete or partial: where are we at in the 21st century? J Hand Surg Eur Vol. 2025. DOI: 10.1177/17531934241296758
  • Comparative outcomes of total wrist arthrodesis for salvage of failed total wrist arthroplasty and primary wrist arthrodesis. J Hand Surg Eur Vol. 2021. DOI: 10.1177/17531934211057389
  • Die vollständige Versteifung des Handgelenks mit der AO-Handgelenk-Arthrodesenplatte (Complete wrist arthrodesis with the AO wrist arthrodesis plate). Oper Orthop Traumatol. 2009. DOI: 10.1007/s00064-009-1905-2
  • Changes in Hand Function Following Wrist Arthrodesis in Cerebral Palsy. J Hand Surg Br. 2000. DOI: 10.1054/jhsb.2000.0366

Wrist-fusion rehabilitation / patient-guidance literature (URLs)

  • American Academy of Orthopaedic Surgeons — Wrist Fusion (Wrist Arthrodesis), OrthoInfo (recovery timeline; fusion heals ~8–12 weeks; the fused wrist no longer moves; therapy for joints not fused). https://orthoinfo.aaos.org/en/treatment/wrist-fusion-wrist-arthrodesis/
  • Wrist Arthrodesis Technique — postoperative care and approach considerations. Medscape eMedicine. https://emedicine.medscape.com/article/1241236-technique
  • Total Wrist Arthrodesis (Wrist Fusion) — procedure and rehabilitation overview. Resurgens Orthopaedics. https://www.resurgens.com/hand-wrist/procedures/wrist-fusion-total-wrist-arthrodesis
  • Full Wrist Fusion — Post-Operative Rehabilitation Protocol (institutional hand-therapy protocol; early digital/forearm motion, union-gated grip strengthening). Alaska Orthopedic. https://www.akortho.com/wp-content/uploads/Full-Wrist-Fusion.pdf

Creative Commons BY-NC 4.0

CC Creative Commons licence
BY Attribution — you must credit the source
NC NonCommercial — not for commercial use

Attribution-NonCommercial 4.0 International


Creative Commons Corporation ("Creative Commons") is not a law firm and does not provide legal services or legal advice. Distribution of Creative Commons public licenses does not create a lawyer-client or other relationship. Creative Commons makes its licenses and related information available on an "as-is" basis. Creative Commons gives no warranties regarding its licenses, any material licensed under their terms and conditions, or any related information. Creative Commons disclaims all liability for damages resulting from their use to the fullest extent possible.

Using Creative Commons Public Licenses

Creative Commons public licenses provide a standard set of terms and conditions that creators and other rights holders may use to share original works of authorship and other material subject to copyright and certain other rights specified in the public license below. The following considerations are for informational purposes only, are not exhaustive, and do not form part of our licenses.

Considerations for licensors: Our public licenses are intended for use by those authorized to give the public permission to use material in ways otherwise restricted by copyright and certain other rights. Our licenses are irrevocable. Licensors should read and understand the terms and conditions of the license they choose before applying it. Licensors should also secure all rights necessary before applying our licenses so that the public can reuse the material as expected. Licensors should clearly mark any material not subject to the license. This includes other CC- licensed material, or material used under an exception or limitation to copyright. More considerations for licensors: wiki.creativecommons.org/Considerations_for_licensors

Considerations for the public: By using one of our public licenses, a licensor grants the public permission to use the licensed material under specified terms and conditions. If the licensor's permission is not necessary for any reason--for example, because of any applicable exception or limitation to copyright--then that use is not regulated by the license. Our licenses grant only permissions under copyright and certain other rights that a licensor has authority to grant. Use of the licensed material may still be restricted for other reasons, including because others have copyright or other rights in the material. A licensor may make special requests, such as asking that all changes be marked or described. Although not required by our licenses, you are encouraged to respect those requests where reasonable. More considerations for the public: wiki.creativecommons.org/Considerations_for_licensees


Creative Commons Attribution-NonCommercial 4.0 International Public License

By exercising the Licensed Rights (defined below), You accept and agree to be bound by the terms and conditions of this Creative Commons Attribution-NonCommercial 4.0 International Public License ("Public License"). To the extent this Public License may be interpreted as a contract, You are granted the Licensed Rights in consideration of Your acceptance of these terms and conditions, and the Licensor grants You such rights in consideration of benefits the Licensor receives from making the Licensed Material available under these terms and conditions.

Section 1 -- Definitions.

a. Adapted Material means material subject to Copyright and Similar Rights that is derived from or based upon the Licensed Material and in which the Licensed Material is translated, altered, arranged, transformed, or otherwise modified in a manner requiring permission under the Copyright and Similar Rights held by the Licensor. For purposes of this Public License, where the Licensed Material is a musical work, performance, or sound recording, Adapted Material is always produced where the Licensed Material is synched in timed relation with a moving image.

b. Adapter's License means the license You apply to Your Copyright and Similar Rights in Your contributions to Adapted Material in accordance with the terms and conditions of this Public License.

c. Copyright and Similar Rights means copyright and/or similar rights closely related to copyright including, without limitation, performance, broadcast, sound recording, and Sui Generis Database Rights, without regard to how the rights are labeled or categorized. For purposes of this Public License, the rights specified in Section 2(b)(1)-(2) are not Copyright and Similar Rights.

d. Effective Technological Measures means those measures that, in the absence of proper authority, may not be circumvented under laws fulfilling obligations under Article 11 of the WIPO Copyright Treaty adopted on December 20, 1996, and/or similar international agreements.

e. Exceptions and Limitations means fair use, fair dealing, and/or any other exception or limitation to Copyright and Similar Rights that applies to Your use of the Licensed Material.

f. Licensed Material means the artistic or literary work, database, or other material to which the Licensor applied this Public License.

g. Licensed Rights means the rights granted to You subject to the terms and conditions of this Public License, which are limited to all Copyright and Similar Rights that apply to Your use of the Licensed Material and that the Licensor has authority to license.

h. Licensor means the individual(s) or entity(ies) granting rights under this Public License.

i. NonCommercial means not primarily intended for or directed towards commercial advantage or monetary compensation. For purposes of this Public License, the exchange of the Licensed Material for other material subject to Copyright and Similar Rights by digital file-sharing or similar means is NonCommercial provided there is no payment of monetary compensation in connection with the exchange.

j. Share means to provide material to the public by any means or process that requires permission under the Licensed Rights, such as reproduction, public display, public performance, distribution, dissemination, communication, or importation, and to make material available to the public including in ways that members of the public may access the material from a place and at a time individually chosen by them.

k. Sui Generis Database Rights means rights other than copyright resulting from Directive 96/9/EC of the European Parliament and of the Council of 11 March 1996 on the legal protection of databases, as amended and/or succeeded, as well as other essentially equivalent rights anywhere in the world.

l. You means the individual or entity exercising the Licensed Rights under this Public License. Your has a corresponding meaning.

Section 2 -- Scope.

a. License grant.

1. Subject to the terms and conditions of this Public License, the Licensor hereby grants You a worldwide, royalty-free, non-sublicensable, non-exclusive, irrevocable license to exercise the Licensed Rights in the Licensed Material to:

a. reproduce and Share the Licensed Material, in whole or in part, for NonCommercial purposes only; and

b. produce, reproduce, and Share Adapted Material for NonCommercial purposes only.

2. Exceptions and Limitations. For the avoidance of doubt, where Exceptions and Limitations apply to Your use, this Public License does not apply, and You do not need to comply with its terms and conditions.

3. Term. The term of this Public License is specified in Section 6(a).

4. Media and formats; technical modifications allowed. The Licensor authorizes You to exercise the Licensed Rights in all media and formats whether now known or hereafter created, and to make technical modifications necessary to do so. The Licensor waives and/or agrees not to assert any right or authority to forbid You from making technical modifications necessary to exercise the Licensed Rights, including technical modifications necessary to circumvent Effective Technological Measures. For purposes of this Public License, simply making modifications authorized by this Section 2(a) (4) never produces Adapted Material.

5. Downstream recipients.

a. Offer from the Licensor -- Licensed Material. Every recipient of the Licensed Material automatically receives an offer from the Licensor to exercise the Licensed Rights under the terms and conditions of this Public License.

b. No downstream restrictions. You may not offer or impose any additional or different terms or conditions on, or apply any Effective Technological Measures to, the Licensed Material if doing so restricts exercise of the Licensed Rights by any recipient of the Licensed Material.

6. No endorsement. Nothing in this Public License constitutes or may be construed as permission to assert or imply that You are, or that Your use of the Licensed Material is, connected with, or sponsored, endorsed, or granted official status by, the Licensor or others designated to receive attribution as provided in Section 3(a)(1)(A)(i).

b. Other rights.

1. Moral rights, such as the right of integrity, are not licensed under this Public License, nor are publicity, privacy, and/or other similar personality rights; however, to the extent possible, the Licensor waives and/or agrees not to assert any such rights held by the Licensor to the limited extent necessary to allow You to exercise the Licensed Rights, but not otherwise.

2. Patent and trademark rights are not licensed under this Public License.

3. To the extent possible, the Licensor waives any right to collect royalties from You for the exercise of the Licensed Rights, whether directly or through a collecting society under any voluntary or waivable statutory or compulsory licensing scheme. In all other cases the Licensor expressly reserves any right to collect such royalties, including when the Licensed Material is used other than for NonCommercial purposes.

Section 3 -- License Conditions.

Your exercise of the Licensed Rights is expressly made subject to the following conditions.

a. Attribution.

1. If You Share the Licensed Material (including in modified form), You must:

a. retain the following if it is supplied by the Licensor with the Licensed Material:

i. identification of the creator(s) of the Licensed Material and any others designated to receive attribution, in any reasonable manner requested by the Licensor (including by pseudonym if designated);

ii. a copyright notice;

iii. a notice that refers to this Public License;

iv. a notice that refers to the disclaimer of warranties;

v. a URI or hyperlink to the Licensed Material to the extent reasonably practicable;

b. indicate if You modified the Licensed Material and retain an indication of any previous modifications; and

c. indicate the Licensed Material is licensed under this Public License, and include the text of, or the URI or hyperlink to, this Public License.

2. You may satisfy the conditions in Section 3(a)(1) in any reasonable manner based on the medium, means, and context in which You Share the Licensed Material. For example, it may be reasonable to satisfy the conditions by providing a URI or hyperlink to a resource that includes the required information.

3. If requested by the Licensor, You must remove any of the information required by Section 3(a)(1)(A) to the extent reasonably practicable.

4. If You Share Adapted Material You produce, the Adapter's License You apply must not prevent recipients of the Adapted Material from complying with this Public License.

Section 4 -- Sui Generis Database Rights.

Where the Licensed Rights include Sui Generis Database Rights that apply to Your use of the Licensed Material:

a. for the avoidance of doubt, Section 2(a)(1) grants You the right to extract, reuse, reproduce, and Share all or a substantial portion of the contents of the database for NonCommercial purposes only;

b. if You include all or a substantial portion of the database contents in a database in which You have Sui Generis Database Rights, then the database in which You have Sui Generis Database Rights (but not its individual contents) is Adapted Material; and

c. You must comply with the conditions in Section 3(a) if You Share all or a substantial portion of the contents of the database.

For the avoidance of doubt, this Section 4 supplements and does not replace Your obligations under this Public License where the Licensed Rights include other Copyright and Similar Rights.

Section 5 -- Disclaimer of Warranties and Limitation of Liability.

a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION, WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS, ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.

b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION, NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT, INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES, COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.

c. The disclaimer of warranties and limitation of liability provided above shall be interpreted in a manner that, to the extent possible, most closely approximates an absolute disclaimer and waiver of all liability.

Section 6 -- Term and Termination.

a. This Public License applies for the term of the Copyright and Similar Rights licensed here. However, if You fail to comply with this Public License, then Your rights under this Public License terminate automatically.

b. Where Your right to use the Licensed Material has terminated under Section 6(a), it reinstates:

1. automatically as of the date the violation is cured, provided it is cured within 30 days of Your discovery of the violation; or

2. upon express reinstatement by the Licensor.

For the avoidance of doubt, this Section 6(b) does not affect any right the Licensor may have to seek remedies for Your violations of this Public License.

c. For the avoidance of doubt, the Licensor may also offer the Licensed Material under separate terms or conditions or stop distributing the Licensed Material at any time; however, doing so will not terminate this Public License.

d. Sections 1, 5, 6, 7, and 8 survive termination of this Public License.

Section 7 -- Other Terms and Conditions.

a. The Licensor shall not be bound by any additional or different terms or conditions communicated by You unless expressly agreed.

b. Any arrangements, understandings, or agreements regarding the Licensed Material not stated herein are separate from and independent of the terms and conditions of this Public License.

Section 8 -- Interpretation.

a. For the avoidance of doubt, this Public License does not, and shall not be interpreted to, reduce, limit, restrict, or impose conditions on any use of the Licensed Material that could lawfully be made without permission under this Public License.

b. To the extent possible, if any provision of this Public License is deemed unenforceable, it shall be automatically reformed to the minimum extent necessary to make it enforceable. If the provision cannot be reformed, it shall be severed from this Public License without affecting the enforceability of the remaining terms and conditions.

c. No term or condition of this Public License will be waived and no failure to comply consented to unless expressly agreed to by the Licensor.

d. Nothing in this Public License constitutes or may be interpreted as a limitation upon, or waiver of, any privileges and immunities that apply to the Licensor or You, including from the legal processes of any jurisdiction or authority.


Creative Commons is not a party to its public licenses. Notwithstanding, Creative Commons may elect to apply one of its public licenses to material it publishes and in those instances will be considered the “Licensor.” The text of the Creative Commons public licenses is dedicated to the public domain under the CC0 Public Domain Dedication. Except for the limited purpose of indicating that material is shared under a Creative Commons public license or as otherwise permitted by the Creative Commons policies published at creativecommons.org/policies, Creative Commons does not authorize the use of the trademark "Creative Commons" or any other trademark or logo of Creative Commons without its prior written consent including, without limitation, in connection with any unauthorized modifications to any of its public licenses or any other arrangements, understandings, or agreements concerning use of licensed material. For the avoidance of doubt, this paragraph does not form part of the public licenses.

Creative Commons may be contacted at creativecommons.org.