Skip to content

Patients › Recovery

Ang iyong nerve block sa balikat

Ang nerve block na ginagamit namin para sa operasyon sa balikat — kung paano ito nagpapabango sa iyong braso, bakit ito epektibo sa pagkontrol ng sakit, at ano ang inaasahan habang ito ay unti-unting nawawala.

Illustrasyon ng isang anestesista na gumagamit ng ultrasound probe sa gilid ng leeg ng isang nakarelaks na pasyente, kaunti sa itaas ng collarbone, upang maglagay ng nerve block.
Isang ultrasound-guided block: inilalagay ang local anaesthetic sa paligid ng mga nerbiyos sa itaas ng collarbone, na nagpapabango sa buong braso sa loob ng ilang oras. Kieran Hirpara 4.0

Ang pahinang ito ay isinalin ng makina at hindi pa nasusuri ng isang doktor. Ang bersyong Ingles ang siyang opisyal.

Halos lahat ng operasyon sa balikat ay ginagawa kasama ang nerve block at isang magaan na pangkalahatang anestesia. Ang block ang pinakaepektibong paraan na mayroon kami upang panatilihing komportable ka pagkatapos ng operasyon, at mahalagang maunawaan ang plano upang hindi ka mapagbiglang-ibahin ng anumang bagay.

Ano ang nerve block

Lahat ng mga nerbiyos na nagbibigay-suplay sa iyong braso ay dumadaan sa isang masikip na bundle (bundel) sa itaas ng iyong collarbone. Gamit ang ultrasound machine upang makita kung saan eksaktong nasa loob sila, inilalagay ng anaesthetist ang kaunting local anaesthetic sa paligid ng bundle na iyon. Ito ay tinatawag na supraclavicular block. Pinapahinto nito ang mga signal ng sakit mula sa buong braso sa loob ng ilang oras, sapat na para sakopin ang iyong operasyon at ang unang bahagi ng iyong paggaling, kung saan kung hindi ito gagawin, ang sakit ay maaaring maging pinakamasama.

Hindi ka gising sa panahon ng operasyon. Karaniwan, kakailanganin mo ng magaan na general anaesthetic sa ibabaw ng block, upang matulog ka habang ginagawa ang operasyon. Ang block ang nagbibigay ng pagpapagaan ng sakit; ang general anaesthetic ang nagpapanatili sa iyo na komportableng natutulog.

Bakit ito ang ginagamit para sa iyong balikat

Ang isang mahusay na block ay higit pa sa simpleng pamamanhid ng isang karayom:

  • Mas epektibo ito sa pagkontrol ng sakit kaysa sa mga tablet o sa paggamit ng general anaesthetic lamang. Sa maraming pag-aaral, ang mga pasyenteng nakatanggap ng brachial plexus block ay may mas mababang antas ng sakit sa mga unang oras pagkatapos ng operasyon sa balikat at nangangailangan ng mas kaunting malakas na gamot pang-alis ng sakit. Isang pagsusuri na nag-umpisa sa 36 hiwalay na pag-aaral at higit sa 3,000 na pasyenteng nakapagpasok ng keyhole shoulder surgery ay nagpakita na ang mga brachial plexus block tulad nito ay nagbaba ng antas ng sakit at nagbawas ng dami ng malakas na opioid painkiller na kailangan pagkatapos ng operasyon.
  • Pinapayagan nitong magbigay kami ng mas magaan na general anaesthetic. Dahil ang block ang nagtatrabaho nang mabigat sa pagkontrol ng sakit, karaniwang gumising ka nang mas malinaw, may mas kaunting pagka-groggy at mas kaunting pagsusuka.
  • Binabawasan nito ang dami ng opioid (malakas na gamot pang-alis ng sakit) na kailangan mo. Ibig sabihin, mas kaunting side effects (mas kaunting constipation, pagka-drowsy at pagsusuka) at mas maayos na maagang paggaling.
  • Pinapabilis nito ang pagiging komportable, paggalaw, at pag-uwi.

Pakiramdam

Sa loob ng humigit-kumulang 20–30 minuto pagkatapos ng injeksyon, mabigat, mainit, pamamanhid, at mahina ang braso. Hindi mo ito makakataas o hindi mo maramdam nang mabuti, at maaaring hindi mo makakagalaw ang mga daliri. Ito ang eksaktong nangyayari. Karaniwang tumatagal ang pamamanhid ng 8 hanggang 18 oras, minsan ay hanggang isang araw. Ganap itong pansamantala: bumabalik palagi ang buong pakiramdam at galaw.

Bakit kailangan mong magsuot ng sling

Habang aktibo pa ang block, numb ang iyong braso at walang sarili nitong lakas. Ang sling ay para hawakan at protektahan ito, upang hindi ito mahulog, malantad, o matamaan, at upang hindi ka umuungol o umiikot sa isang braso na hindi mo nararamdaman. Panatilihing suporta sa sling, panatilihing mainit, at huwag hayaang bitbitin ito pababa. Isipin mo ito bilang pag-aalaga sa isang bahagi ng katawan na hindi pa kayang alagaan ang sarili nito.

Mga bagay na maaari mong mapansin (karaniwan ito)

Dahil malapit ang mga nerbiyos na pinapabayaan sa leeg sa iba pang mga nerbiyos, maaaring mapansin mo ang ilang walang panganib at pansamantalang epekto sa gilid na iyon:

  • isang bumababa o mabigat na talukap ng mata, at minsan ay bahagyang pamumula ng mata
  • bahagyang bulong na boses o pakiramdam ng siksikan sa ilong
  • pakiramdam na hindi mo kayang kumuha ng ganap na malalim na hinga (maaaring pansamantala pumahina ang nerbiyong nagmumotorsay sa kalamnan sa ilalim ng baga mo sa gilid na iyon)

Ang supraclavicular na paraan na aming ginagamit ay pinili nang bahagya dahil mas bihira nitong sanayin ang mga epektong ito kumpara sa mga block na inilalagay nang mas mataas sa leeg. Lahat ito ay mawawala kasabay ng paglabas ng block, at hindi nangangailangan ng anumang paggamot.

Kapag nawala ang epekto ng block — simulan na ang pag-inom ng iyong mga tabletang pang-alis ng sakit

Ito ang pinakamahalagang bahagi na dapat gawing tama.

Mahusay ang block para sa unang 8–18 na oras, at pagkatapos ay bumabalik ang pakiramdam, madalas sa gabi. Habang ito ay nangyayari, maaaring biglang dumating ang sakit. Tinatawag itong rebound pain, at nakakapagpagulo ito dahil komportable ang mga tao bago ito nangyari.

Ang simpleng solusyon ay: huwag hintayin ang sakit. Inumin ang iyong mga regular na reseta ng mga tabletang pang-alis ng sakit bago ganap na gumising ang iyong braso: bibigyan ka namin ng humigit-kumulang oras kung kailan ito mangyayari, at patuloy na inumin ang mga ito nang regular sa unang ilang araw, kahit naka-numb pa ang iyong braso. Ang mga pasyenteng nakakapanalo dito ay may mas maayos na unang gabi. Ang mga pasyenteng naghihintay hanggang dumating ang sakit ay may masasakit na ilang oras habang sinusubukan pangakuin ang napalampas na.

Tumawag sa amin o humingi ng tulong kung

  • napakahirap ng iyong paghinga o lumalala ito (karaniwang inaasahan ang bahagyang pakiramdam na hindi puno ang iyong baga; ang tunay na hirap sa paghinga ay hindi: kailangan ng pagsusuri)
  • patuloy kang ganap na walang pakiramdam at malambot ang iyong braso pagkatapos ng 24–30 oras
  • nagiging puti, malamig, o asul ang iyong mga daliri, o mayroon kang sakit sa dibdib

Para sa karaniwang rebound pain habang unti-unting nawawala ang block, uminom ng iyong mga tablet at manatiling harapin ito: ito ay mamumuti sa susunod na isang araw o dalawa.


Evidence & references

Key Evidence

Brachial plexus blocks reduce pain and opioid use after shoulder surgery. Regional anaesthesia is the cornerstone of modern shoulder-surgery analgesia. A current review of regional techniques for shoulder surgery describes the supraclavicular brachial plexus block as an effective approach that provides dense analgesia of the arm while producing fewer of the unwanted neck-related effects (hoarseness, Horner's syndrome, diaphragm involvement) seen with higher interscalene blocks [1]. Across the broader literature, peripheral nerve blocks consistently lower early post-operative pain scores and reduce opioid consumption compared with general anaesthesia or local infiltration alone [2,3,5].

The benefit is largest in the first hours and translates into better recovery quality. A systematic review and meta-analysis in Anesthesiology found brachial plexus and suprascapular blocks deliver clinically meaningful analgesia for shoulder surgery, supporting their routine use [2]. A focused review of regional blocks for arthroscopic rotator cuff repair reached the same conclusion: blocks improve early pain control and reduce rescue-opioid requirements [3]. Longer-acting block formulations further extend the pain-free window after shoulder replacement [4].

Rebound pain is real and is best managed by pre-emptive oral analgesia. Because a single-shot block wears off after roughly 8–18 hours, patients can experience a sharp surge of pain as sensation returns — usually overnight. A two-centre randomised controlled trial and the wider rebound-pain literature emphasise that patient education and starting regular analgesia before the block resolves are central to a smooth recovery [6]. This is why patients are advised to begin their prescribed pain tablets early rather than waiting for pain to arrive.

References

  1. Zhang LL, Sinha SK, Murthi AM. Current Strategies in Regional Anesthesia for Shoulder Surgery. J Am Acad Orthop Surg. 2025;33(14):761-9. doi:10.5435/JAAOS-D-24-00738
  2. Hussain N, Goldar G, Ragina N, et al. Suprascapular and Interscalene Nerve Block for Shoulder Surgery: A Systematic Review and Meta-analysis. Anesthesiology. 2017;127(6):998-1013. doi:10.1097/ALN.0000000000001894
  3. Kim TY, Hwang JT. Regional nerve blocks for relieving postoperative pain in arthroscopic rotator cuff repair. Clin Shoulder Elb. 2022;25(4):339-46. doi:10.5397/cise.2022.01263
  4. Finkel KJ, Walker A, Maffeo-Mitchell CL, et al. Liposomal bupivacaine provides superior pain control compared to bupivacaine with adjuvants in interscalene block for total shoulder replacement: a prospective double-blinded, randomized controlled trial. J Shoulder Elbow Surg. 2024;33(7):1512-20. doi:10.1016/j.jse.2023.12.014
  5. Liu Z, Li YB, Wang JH, et al. Efficacy and adverse effects of peripheral nerve blocks and local infiltration anesthesia after arthroscopic shoulder surgery: A Bayesian network meta-analysis. Front Med (Lausanne). 2022;9:1032253. doi:10.3389/fmed.2022.1032253
  6. Uppal V, Barry G, Ke JXC, et al. Reducing rebound pain severity after arthroscopic shoulder surgery under general anesthesia and interscalene block: a two-centre randomized controlled trial of pre-emptive opioid treatment compared with placebo. Can J Anaesth. 2024;71(6):773-83. doi:10.1007/s12630-023-02594-0

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.