Editing Cannula (section)

{{Short description|Tube surgically implanted in the body}}
{{other uses}}
{{Cleanup press release|1=article|date=June 2021}}
[[File:Diagram showing a cannula CRUK 058-multilingual1.svg|thumb|alt=Diagram showing a cannula|A cannula]]

A '''cannula''' ({{IPAc-en|ˈ|k|æ|nj|ᵿ|l|ə|audio=en-us-cannula.oga}}; Latin meaning 'little reed'; {{plural form}}: '''cannulae''' or '''cannulas''')<ref>[https://web.archive.org/web/20150112225113/http://www.oxforddictionaries.com/definition/english/cannula?q=cannulae cannula] Oxford Dictionaries. Retrieved 2014-09-18.</ref> is a tube that can be inserted into the body, often for the delivery or removal of fluid or for the gathering of samples. In simple terms, a cannula can surround the inner or outer surfaces of a [[trocar]] needle thus extending the effective needle length by at least half the length of the original needle. Its size mainly ranges from 14 to 26<ref>{{Cite web |date=2020-05-04 |title=IV Cannula - Mais India Manufacturer, Exporter & Supplier |url=https://www.maisindia.com/ivcannula/ |access-date=2023-07-07 |language=en-US}}</ref> [[Needle gauge comparison chart|gauge]]. Different-sized cannula have different colours as coded.

Decannulation is the permanent removal of a cannula ([[intubation|extubation]]),<ref>''Children with Tracheotomies Resource Guide'', by Marilyn K. Kertoy, page 15 ([https://books.google.com/books?id=FDHoDc5Qyr0C&pg=PA15#PPA15,M1 Google book search])</ref> especially of a [[tracheostomy]]<ref>{{cite web |url= http://www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_d_03zPzhtm |title= MerckEngage® - Healthy Living Tips and Health Information |website= mercksource.com |access-date= 2007-09-27 |archive-url= https://web.archive.org/web/20080223080041/http://www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_d_03zPzhtm |archive-date= 2008-02-23 |url-status= dead }}</ref> cannula, once a [[physician]] determines it is no longer needed for breathing.