Introduction to biomechanics


Birmingham Hip Resurfacing by Wockhardt Hip Replacement Centre.

Birmingham Hip Resurfacing technology, is acompetitive  Judo  and  Squash after surgery.
much advanced technical procedure than
conventional total hip replacement. As aOverall 99% success rate - ideal option for
novel procedure, it demands an experiencedthe  younger  or  more  active  patient.
surgeon who can thoroughly understand the
responsibility of performing hip ArthroplastyNo dislocation in more than 2000 BHR
on  young  active  patients.procedures  done  in  Birmingham.
Conventional total hip replacements usuallyMany adolescent patients have had the
consist of a stemmed femoral component thatprocedure with excellent results. Procedure
is fixed into the femoral canal using cementcan  be  done  soon  after skeletal maturity.
articulating with a polyethylene cup cemented
into the pelvis. There are severalRestores  normal  anatomy.
conventional total hip replacement systems
that have been proven to work well in elderlyLow frictional torque and fluid film
inactive patients. In Hip replacement surgerylubrication demonstrated in this metal on
thigh bone is generally removed which leadsmetal  articulation.
to the loss of large quantity of normal bone.
All these reduce the bone stock and make anyDr. Kaushal Malhan, Consultant Orthopaedic
future revision procedures difficult. TheySurgeon, at Wockhardt Bone & Joint Hospital
work less well in the younger patients withdoes Birmingham Hip Resurfacing Surgeries. He
poorer survival. They do not allow fullhas spent a number of years in the U.K. where
unrestricted  activity  and  can  dislocate.he got trained and routinely performed this
technique. He specializes in shoulder, knee
Unlike Traditional hip replacement surgeryand hip problems (Sports surgery and Joint
the amount of bone removed is much smaller.replacement).
During the surgery the joint is removed and
resurfaced with a round femoral cup and metalLast year, the well-built, tough-looking
acetabular socket. There is no risk of limbAnant Chalke, almost broke down like a child
length changes at operation. Rehabilitationdue to a crushing pain in his left hip.
is much faster. The joint is then lubricatedChalke, a national power lifter and
by the hip?s natural fluid. In BHR,professional coach at a Mumbai gymnasium,
preservation of bone stock at the time oftried various therapies for six long months
operation and less stress shielding makes itbefore he was wheel-chaired toWockhardt Bone
easy to revise the surgery, if needed. Thisand  Joint  Hospital  at  Mulund,  Mumbai.
procedure helps in sacrificing only the
diseased bone and acetabular socket preservesDr. Kaushal Malhan, joint replacement, hip
normal  bone.resurfacing and sports surgeon at Wockhardt,
explained to Chalke the advantages of modern
The advantages of BHR over the conventionalhip resurfacing surgery compared to the
hip  replacement  surgery  are:conventional hip replacement surgery. It did
not take long for Dr. Malhan to persuade
Removes only unhealthy bone and replaces itChalke to opt for the new technology. Old
with  a  metal  on  metal  articulation.style hip replacement involves removal of a
large part of the healthy bone and fixing a
It preserves the normal bone of the hip ?long  metal  piece  into  the  thighbone.
patients can squat, sit cross-legged, use
Indian toilet without the risk ofAfter the surgery, the patient's movement is
dislocation.highly restricted. He cannot squat or sit on
the floor without risking dislocating his new
Everlasting - based on 35 year history inhip.Worse, the surgery alters the length of
Birmingham  of  metal  on  metal  implants.the leg. Returning to an active life is risky
after such conventional surgery. Why change
Excellent  restoration  of  full  function.everything when only the surface is bad? This
is the logic of hip resurfacing. The bone
Femoral head remains viable after BHRconserving hip resurfacing involves replacing
surgery. It does not sacrifice normal boneonly the diseased bone. Chalke, hale and
during  primary  surgery.hearty after undergoing hip resurfacing
surgery, is now busy planning to set up his
Activity restriction not required afterown gym in Thane. He is back in action with
surgery, as there is hardly any risk ofhis favourite sport, weightlifting. Wockhardt
dislocation.was the first hospital in Mumbai to carry out
hip resurfacing technique and has performed
Patient can indulge in full sportingthe highest number of hip resurfacings in the
activities without risk of dislocation.city.
Patients have gone back to sports like



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