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Oscar (bionic cat)

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Oscar is an all-black cat owned by Kate Allan and Mike Nolan who lives on the Channel Island of Jersey. In 2009 Oscar had both hind paws severed by a combine harvester. Since then he has undergone a pioneering operation to add prosthetic feet. The treatment has since been considered for use with humans. A book about Oscar's story, Oscar the Bionic Cat was published in 2013.

Accident

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In October 2009, at the age of two and a half years, Oscar had both the paws of his hind legs severed by a combine harvester while in a maize field near his home in Jersey.[1][2] The legs were cut between the ankle and the foot.[3] Oscar was later found by a passing cyclist[1] who then brought Oscar to his owners' home. Mike Nolan was at home when the woman brought Oscar; he said that at this point Oscar was covered in blood, and he was convinced the cat would have to be put down.[1] He and Oscar's other owner, Kate Allan, took him to their local veterinarian[2] Peter Haworth.[1]

Treatment

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Initial treatment

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Peter Haworth, a vet at the New Era Veterinary Hospital in Jersey, dressed Oscar's wounds and administered painkillers making him comfortable within minutes.[1][4] Haworth then referred Allan and Nolan to the Surrey-based neuro-orthopaedic surgeon Noel Fitzpatrick.[1][3] There was a lot of communication between the Irish surgeon and the Jersey owners. After looking at X-rays and pictures, Fitzpatrick decided Oscar would be an ideal patient partly due to his young age.[1] Oscar was then flown to the United Kingdom mainland by air cargo although he had to stay in his box for eight hours during the journey.[1]

New feet

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Oscar's owners did a lot of "soul-searching" before deciding to go ahead with the operation.[5] Kate Allan later said that the cause for her uncertainty was that the kind of operation planned had never been done before.[1] Although the operation carried out by Noel Fitzpatrick was a world first, it mimics a natural process, being similar to the way deer grow antler bones, in the manner that the implants grow through the skin.[1][5] The implants were both custom-made to fit into holes drilled into Oscar's ankle bones.[4][6] They are known as intraosseous transcutaneous amputation prosthetics (ITAPs) and were developed by Professor Gordon Blunn and Dr. Catherine Pendegrass of University College London's Centre for Biomedical Engineering.[7] They have a honeycomb structure which enables skin to bond with the implant to prevent infection.[8] The implants are placed into the drilled holes which then allow for a "sock" to be fitted over them.[7]

The ITAP technology is currently being tested on humans and a prosthetic has been made for a woman injured in the July 2005 London bombings.[7] Fitzpatrick has said he would welcome a collaborative approach with other surgeons working on human amputations.[8]

Snapped prosthesis

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In August 2012, as a result of a reoccurring infection in Oscar's right ankle, the ITAP snapped at the point where the titanium rod exits his stump. Peter Haworth of New Era Veterinary Hospital, Jersey, once again made Oscar comfortable while possible treatment options were explored.[9] Oscar returned to Fitzpatrick Referrals in 2013 where veterinary surgeon Noel Fitzpatrick performed a 2-hour operation to implant a Perfits (Percutaneous Fixation to Skeleton) amputation endoprosthesis directly into Oscar's shinbone. A new exoprosthesis – or foot – needed to be developed for Oscar, as the removal of his ankle meant he could no longer wear a blade.[10]

Television

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The Bionic Vet

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The Bionic Vet is a BBC documentary following the work of Fitzpatrick which aired on BBC1 on 30 June 2010.[1][8] The programme showed Oscar walking with prototype feet made for him by engineers at Salford University. Footage not shown on the programme of Oscar with a later set of better-designed feet was uploaded on to YouTube on 18 June 2010.[11] An update video with the vet involved showed Oscar's new feet and explained how they are designed to snap at a break point on the 'blade' rather than within the foot if he gets into difficulty.[12]

The Supervet

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An update on Oscar's progress was given in the Channel 4 television series The Supervet. The television series follows the work of veterinary surgeon Noel Fitzpatrick and his practice Fitzpatrick Referrals. In Episode 1, broadcast on 7 May 2014, Vet Noel Fitzpatrick was shown fitting Oscar with his new foot following his recent surgery to replace the snapped ITAP.[13]

Guinness World Records

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Oscar holds two Guinness World Records, one for being the first animal with two bionic leg implants, and the other for being the first animal to receive implants into its moving joints.[14]

See also

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References

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  1. ^ a b c d e f g h i j k Morrison, Ryan (25 June 2010). "A cat from Jersey has shot to fame as the 'bionic cat'". BBC Online. BBC Jersey. Retrieved 26 June 2010.
  2. ^ a b Cheng, Maria. "Bionic British cat gets faux paws". Google Search. The Associated Press. Archived from the original on 28 June 2010. Retrieved 26 June 2010.
  3. ^ a b "Laois surgeon helps amputee cat". The Irish Times. 25 June 2010. Retrieved 26 June 2010.
  4. ^ a b Gallego, Sonia. "Oscar the Cat Gets Two Prosthetic Legs". ABC News. Retrieved 26 June 2010.
  5. ^ a b Jones, Sam (25 June 2010). "Paws for thought: pioneering surgery puts cat back on his feet". The Guardian. London. Retrieved 26 June 2010.
  6. ^ "Oscar the 'Bionic Cat' (including an interview with Fitzpatrick)". YouTube. 30 June 2010. Archived from the original on 15 December 2021. Retrieved 2 September 2010.
  7. ^ a b c "Bionic feet for amputee cat". BBC Online. 25 June 2010. Retrieved 27 June 2010.
  8. ^ a b c "Oscar becomes world's first bionic cat after farm accident". Herald Sun. 26 June 2010. Retrieved 27 June 2010.
  9. ^ Allen, Kate (2013). Oscar: The Bionic Cat: A heart-warming tale of feline bravery. Summersdale.
  10. ^ Fitzpatrick Referrals. "Oscar". Archived from the original on 28 December 2014. Retrieved 28 December 2014.
  11. ^ "Oscar the bionic cat". YouTube. 18 June 2010. Archived from the original on 14 April 2016. Retrieved 2 July 2010.
  12. ^ "Oscar update video - Bionic cat get's new feet". 18 December 2014.
  13. ^ IMDb. "The Supervet (TV series)". IMDb. Retrieved 28 December 2014.
  14. ^ Warren, Jane (8 March 2013). "Oscar the bionic cat". Sunday Express. Retrieved 28 December 2014.
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