Blood pressure recording device with improved record

Claim 1

In a blood pressure recording device including a cuff adapted to encircle a limb of a person, pressure means for applying a pressure to said limb, rotatable record support means on said cuff for removably supporting a record and rotating the same in response to the value of pressure applied by said pressure means, indexing means on said support for the record comprising at least two spaced upstanding posts, one of said posts having a larger diameter than the other and each post being spaced from the center of said support means, writing means for writing on said record, and actuating means for operating said writing means to write on said record in response to pulse beats having an intensity equal to or higher than the diastolic pulse beat; the improvement comprising said record being circular in shape and having an imperforate center and pressure designation indicia on the record corresponding to the pressures applied to the limb by said pressure means, and indexing means on said record cooperable with said indexing means on said support means for mounting the record thereon in a preselected orientation whereby the pressure designation indicia on the record corresponding to the pressure applied to the limb is adapted to be aligned with said writing means, and said indexing means on said record comprising spaced bores extending through the record, each of said bores being spaced a Preselected distance from the center of the record, said respective bores having different diameters for receiving a respective one of said posts whereby the record is adapted to be mounted on said record support.