A student who carried around an artificial heart in a rucksack has died aged 24 following complications during transplant surgery.
Rebecca Henderson was given the pioneering 15lbs (7kg) device in 2017, after her own had to be removed due to cancer.
Ms Henderson, who studied at Oxford University, went on to have an operation to receive a new heart after being cancer-free for a year.
But she died on Wednesday due to complications with the risky procedure, her family and friends have said.
Rebecca Henderson was given the artificial heart after her own was removed due to cancer
Her mother Linda tweeted: 'We're going to miss our amazing, wonderful daughter.
'She touched so many lives and lived her life to the fullest. She was also my best friend and I'm going to love and miss her forever.'
Dr Janina Ramirez, an Oxford academic, said on Instagram that her friend died on Wednesday.
She wrote: 'She lived for over a year with a total artificial heart and sadly the operation that was due to give her a new one took her.
'She was just the strongest, bravest person I've ever met. Think of her today. Do something brave and strong to remember her.'
Ms Henderson, from Bicester in Oxfordshire, who was finishing a masters at, is reported to have died at Harefield Hospital in London.
St Anne's College, Oxford, where she was studied, released a statement following her death.
It said: 'Becca completed a BA in English and Modern Languages at St Anne's College between 2013 and 2017.
Dr Janina Ramerez, an Oxford academic, said on Instagram that her friend died on Wednesday
Ms Henderson's mother Linda tweeted: 'We're going to miss our amazing, wonderful daughter'
The portable 'organ' pumps blood through the body while the patient waits for a transplant
Rebecca Henderson was given the pioneering 15lbs (7kg) device in 2017, after her own had to be removed due to cancer.
The battery life of Ms Henderson's Total Artificial Heart, as it is medically known, reportedly lasted for just
