Mr Samuel Rajaratnam: Trauma & orthopaedic surgery

Mr Samuel Rajaratnam

Trauma & orthopaedic surgery


  • Fee assured

Specialises in

  • Foot
  • Hip
  • Knee

About me

Mr. Sam Rajaratnam FRCS (Tr. & Ortho) is one of the leading Consultant Orthopaedic Surgeons in the UK specialising in all aspects of knee surgery.

His London Practice (The Chelsea Knee Clinic) is based at the Lister Hospital, Chelsea, and he also runs successful practices in Kent and Sussex (at Horder Healthcare) and in Eastbourne (BMI Esperance hospital).

Sam is recognised throughout the UK as a leading knee specialist , and performs amongst the highest number of successful knee replacement operations on the UK National Joint Registry each year, with excellent outcomes.

He has also pioneered “Day case knee ligament reconstructive surgical programmes” over the last 8 years, and is passionate about “enhanced recovery” and “day case rapid recovery” following surgery to the knee.

Mr Rajaratnam trained at Guy’s and St Thomas’s Hospital in London where he qualified with a first class degree in anatomy and an MBBS in 1997. He then underwent basic surgical training at the Royal College of Surgeons, England and higher surgical training at numerous centres of excellence across the south east of England and Australia.

He was awarded the Walter Mercer Gold Medal for the best performance throughout Great Britain and Ireland in the final FRCS Orthopaedics and Trauma examination in 2006.

He acted as the British Orthopaedic Association Ambassador to Hong Kong in 2007 and then spent time working in Australia at some of the world’s best knee injury and reconstruction units.

He was appointed Consultant Orthopaedic Surgeon in 2008, and has now become one of the leading knee surgeons in the country with an excellent national reputation.

He has an interest in cartilage repair techniques within the knee, and has developed a successful day case ACL and PCL reconstructive programme. Mr Rajaratnam is passionate about uncovering new advances in knee surgery and is involved in national trials and programmes aimed to advance the knowledge of knee surgery.

He is very keen on medical education, was the Senior Tutor in charge of organising the post graduate training for all the Senior Registrars specialising in Orthopaedics within the London Deanery and Kent, Sussex and Surrey deaneries between 2011-14. Sam continues to have active role teaching and educating the next generation of Orthopaedic Surgeons.

Outside work, Sam is a keen sportsman, and enjoys numerous sports including Golf, Cricket, Tennis, Badminton and Rugby.

He is also a keen pianist and accordionist, and enjoys the great British countryside.


Mr Rajaratnam specialises in the following areas:

Complex knee surgery including primary and revision joint replacement
Knee ligament reconstruction
Cartilage repair of the knee
Meniscal repair
Minimally invasive knee surgery
Complex multi ligament injury to the knee
Day Case knee ligament surgery
Hip Replacement
Sports injuries

Mr Rajaratnam pursues research in the following areas:

Cartilage repair techniques in the knees.
Advances in modern knee replacements.
Knee injury and ligament reconstruction.
Rapid recovery programmes following knee surgery

Mr Rajaratnam’s current memberships include:

Fellow of the Royal College of Surgeons of England.
Member of the British Orthopaedic Association
British Orthopaedic Association of Knee Surgeons UK
Member of South East Group of Knee Surgeons

Areas of interest

Knee surgery; Partial and total knee replacement; Complex revision knee replacement; Knee ligament reconstruction; knee cartilage repair; Minimally invasive hip replacement;

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Information for healthcare professionals

Information for healthcare professionals (Bupa patients only, last 12 months)

Procedures completed

  • W4210

    Total prosthetic replacement of knee joint, +/- cement, +/- patella - (5-50)

    The Horder Centre (1-5)

  • W8500

    Multiple arthroscopic operation on knee (including meniscectomy, chondroplasty, drilling or microfracture) - (5-50)

    Lister Hospital (5-50) The Horder Centre (5-50) BMI The Esperance Hospital (1-5)

  • W9040

    Injection(s) +/- aspiration, into joint, cyst, bursa - (5-50)

    The Horder Centre (1-5) Lister Hospital (1-5) BMI The Esperance Hospital (1-5)

  • W4200

    Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy) - (1-5)

  • W7410

    Multiple ligament reconstruction of knee (including posterior cruciate ligament) - (1-5)

  • W8580

    Multiple arthroscopic operation on knee (including meniscectomy, chondroplasty, drilling or microfracture) - bilateral - (1-5)

    The Horder Centre (1-5)

  • S0521

    Microscopically controlled excision of lesion of skin or subcutaneous tissue (Mohs micrographic surgery) without reconstruction - (1-5)

    BMI The Esperance Hospital (1-5)

  • W3712

    Primary total hip replacement +/- cement - (1-5)

    The Horder Centre (1-5)

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