Many moons ago, back in the early 90's, I bought a number of office chairs that were specifically designed for people with spinal injuries. The chairs are still going strong but the rubber arm rest inserts on several of them had cracked up and disintegrated. Top marks for RH still being in business, still selling a variant of the chairs (Logic 4) and more importantly for holding a stock of spares for my variant. They don't sell to the public but they put me in touch with a distributor, Posturite, who does. A part number was provided a special order set up for me and I got the parts at ten pounds a pop, all within a couple of days. Quick, easy, no fuss and all bar the credit card payment was done by e-mail. I love it when a company has its act together like this.
We paid around £600 each for them, claimed the VAT back and depreciated them over five years. Second hand ones on e-bay are still fetching £200 plus. They are still in use today; mine has been in every office I've worked in since and is now in my study. At a rough estimate, its cost me about £30 a year and it must have saved at least that much in painkillers. Bargain.
After I was injured in an underground rock fall I had trouble getting comfortable on a normal office chair and I bought a kneeler click here and I still use it occasionally. I don't think it would meet 'elf & safety rules now as it only has 4 wheels and now movable chairs have to have 5.
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