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MHRA Medical Devices Alert


To whom it may concern:

Re: MHRA Medical Devices Alert MDA/2005/024

Dear Customer,
On April l8 2005 the Medicines and Healthcare products Regulatory Agency issued the Medical Device Alert MDAJ2005/024.

The actuators on various mobile hoists have failed suddenly and without warning. These failures have caused sudden, uncontrolled dropping of the hoist boom and, on some occasions, serious patient injury.

Horcher equipment is categorically not affected by the inherent design issues detailed in the above alert relating to electrical actuators
Please look at a copy of the latest Certificate of our Diana Lift Series, issued by Berlin Cert (Berlin Cert is a part of the Technical University of Berlin, Testing Centre for Medical Devices).
The Diana Lift Range is the only product that we manufacture that works with a linear actuator as described in the MHRA Alert. All our products are tested and monitored by Berlin Cert. They also additionally perform Lifetime Tests, in which the product has to run a One Million Cycle test. In Addition to these tests, Berlin Cert runs tests until the product eventually breaks (destroying test). They also test and certify products during the whole year, and in none of all performed tests, an actuator failed.
The simple reason for this is because we use so called “ball spindle driven actuators unlike the nylon nut actuators that most all other manufacturers of mobile hoists use. Above mentioned actuators are costing more than the ones that use spindle nuts out of plastic (Nylon or similar) materials, but they have almost no mechanical wear.
The Actuators in hoists manufactured by Horcher Lifting Systems have no limited lifetime, replacement of the hoist or parts of the hoist shall be determined by a trained service technician during normal inspection terms.
Should you have any questions, please do not hesitate to contact us.

Sincerely,

Stefan Horcher
Horcher GmbH


Infobrief 4/2005



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