How are blood vessels rejoined after surgery so they don't leak?

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Offline thedoc

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Don Grunbaum  asked the Naked Scientists:

Hi Chris

How are blood vessels re-joined after surgery so that they don't leak? Suturing would surely leak under pressure? 

Regards Don Grunbaum (East Harling, Norfolk)
 
What do you think?

« Last Edit: 22/09/2016 08:36:03 by chris »

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Offline syhprum

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Until recently sewing together was the only way either by hand or with a stapling machine.
This required great skill and patience and often failed to make a leak proof joint but of late a method has been devised where by the receiving end of the blood vessel can be plugged with a substance that can be solidified with a modest amount of heating and the source part of the vessel over lapped and glued onto it.
I do not know if this technique has reached the clinic yet but it seems very promising.

https://www.technologyreview.com/s/425366/gel-lets-doctors-fix-ruptured-blood-vessels-without-sutures/
syhprum