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Robot wars: knee surgery marks new battleground for companies

The world’s prime medical expertise companies are turning to robots to assist with advanced knee surgery, promising faster procedures and higher ends in operations that always depart sufferers dissatisfied.

Robot wars, knee surgery

FILE PHOTO: Doctors and medical employees work throughout knee prosthesis surgery in an operation room on the hospital of the Canton of Nidwalden in Stans, Switzerland October 27, 2011. Picture taken October 27, 2011. 

Demand for synthetic alternative joints is rising quick, as child boomers’ knees and hips put on out, however for the previous 15 years rival companies have didn’t ship a technological advance to achieve them vital market share.

Now U.S.-based Stryker and Britain’s Smith & Nephew consider that’s about to alter, as robots give them an edge.

Robots ought to imply much less trauma to sufferers and quicker restoration, though they nonetheless have to show themselves in definitive medical research, which is not going to report outcomes for a few years.

Fares Haddad, a advisor surgeon at University College London Hospitals, is likely one of the first in Britain to make use of the new robots and has been impressed. However, he agrees healthcare suppliers want decisive knowledge to show they’re price an funding that may be as a lot as $1 million for every robotic.

“The main reason for using a robotic system is to improve precision and to be able to hit very accurately a target that varies from patient to patient,” he mentioned. “It is particularly useful in knees because they are more problematic (than hips) and there are a chunk of patients that aren’t as satisfied as we would like with their knee replacement.”

Satisfaction charges are solely round 65 % for knee operations, towards 95 % for hips, based on trade surveys.

The rival varieties of robots fluctuate in price and class, aiding surgeons with precision picture steerage for bone reducing and the insertion of synthetic joints.

PRESTIGE MACHINES

Orthopaedic companies hope to emulate the success of Intuitive Surgical, an early pioneer of robots in hospitals, which now has greater than 4,000 of its da Vinci machines put in world wide for procedures together with prostate elimination, hernia restore and hysterectomies.

In addition to promoting into huge Western markets, in addition they need to increase robotic use in India, China and different rising markets, the place proudly owning a prestigious high-tech system could be a advertising benefit for non-public hospitals.

Stryker is main the cost with its MAKO robotic arm, a platform it acquired for $1.65 billion in 2013 and which has pioneered robot-assisted whole-knee operations by figuring out optimum positioning after which serving to with bone reducing.

But it has competitors from smaller rival Smith & Nephew, which final week launched a less expensive product referred to as Navio for complete knee replacements within the United States. The British group purchased the corporate behind Navio for $275 million in 2016.

That has kicked off the battle in earnest, since each companies at the moment are in a position to do complete knee replacements, which signify the overwhelming majority of knee procedures.

MAKO, which makes use of solely Stryker’s joints and implants, prices round $1 million to put in, whereas Navio, which doesn’t have as many options and isn’t tied solely to Smith & Nephew’s merchandise, is lower than 1/2 the worth.

Both companies consider their robots will assist them seize an even bigger share of an orthopaedic market that has been break up between 4 huge gamers for greater than a decade.

Indeed, Smith & Nephew Chief Executive Olivier Bohuon mentioned it was his firm’s most essential strategic funding for a decade.

“We are now basically head to head with Stryker,” he mentioned in an interview. “I do believe we are going to gain market share due to the fact we have robots, whether it’s Stryker or us.”

COST-EFFECTIVENESS QUESTION

Stryker, in the meantime, expects its MAKO system to start out delivering market share features from the tip of 2017.

“As we exit this year, we expect to start to see evidence in our knee market shares,” Katherine Owen, head of technique at Stryker, informed an funding convention in June. “Our goal with MAKO on knees is to capture hundreds of basis points of market share. What that time frame looks like, we haven’t been specific about.”

Zimmer Biomet and Johnson & Johnson, the 2 different huge gamers in orthopaedics, are lagging within the robotics race however each have plans to enter the realm in several methods.

J&J is engaged on surgical robotics with Verily, the life sciences arm of Google mum or dad Alphabet, whereas Zimmer final yr purchased a majority stake in France’s Medtech, a specialist in neurosurgery.

Analysts at Morgan Stanley consider robots have the potential to disrupt a market in synthetic joints that has arguably grow to be commoditised, with no knee or hip implant rising as supreme lately.

That chimes with the view of Smith & Nephew’s Bohuon, who argues that robots give his firm an opportunity to punch above its weight, regardless of rating No. 4 in reconstructive surgery.

He reckons robotics may account for 20 to 40 % of knee operations.

Much will rely, nevertheless, on how the rival methods stack up.

Jefferies analysts mentioned the semi-automated bone resection provided by MAKO would possibly effectively win out in the long run, however Navio gives a far cheaper choice and continues to be effectively forward of something the opposite two main producers have as we speak.

Orthopaedic surgeon Haddad, who has experimented with each, mentioned the machines have been very totally different and healthcare methods would wish to evaluate their cost-effectiveness within the gentle of medical trial outcomes.

“I think the clinical benefit will be pretty obvious but whether that justifies the upfront outlay is a big question.”

Source: Reuters

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