Surgical methods and equipment — US patent classes 128 and 600 through 699

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How could a patent have an extremely broad claim?

US patent application 2004/0249303 appears to patent everything… including everything that is 3D and has 'subregions'. How is this patentable? What problem is it solving? Claim 1 is: A method ...
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How is US6292685 different from Exergen's previously filed patent?

Exergen has recently and successfully won legal battles with two other companies marketing products using a similar technology, American Diagnostic Corp. & SDI Diagnostic Corp.. Firstly, it seems ...