Patent ID: 7998092

Claim:
A force sensor system for use in monitoring weight bearing at a location on a person, comprising: a plurality of independent, non-overlapping pockets inflated with air or liquid, said pockets forming the interior of at least one flexible pouch placed at or near said location, wherein said at least one flexible pouch comprises two outer layers of fabric sheets, said outer layers of sheets being welded together in a welding pattern using a sealing agent said welding pattern comprising a weld around the perimeter of each pocket and a weld of concentric circles of elliptical welds originating from the center of each pocket; a plurality of tubes, wherein at least one tube allows flow of air or liquid in and out of each of the pockets to a location remote from the pouch; and a plurality of pressure sensors remote from the pouch connected to said pockets through said tubes, wherein each pressure sensor is disposed to detect the pressure applied to at least one pocket.