Optical analyzer
 An optical analyzer for determining an analyte in a fluid of interest such as a body fluid of interest satisfying the foregoing need and embodying the present invention may include a housing; combination optically transparent cuvette and lancet mounted removably in the housing, the cuvette may receive an optically transparent reagent test system for reacting with the body fluid to produce a change in at least one optical transmissive characteristic of the system indicative of the analyte; a cuvette carrier mounted slidably in the housing and for removably receiving the cuvette; a spring actuator mounted in the housing and connected to the cuvette carrier, the spring actuator may be compressed and released to advance the carrier and thereby advance the lancet into engagement with a portion of a body to produce the body fluid; depth control apparatus for controlling the depth of penetration of the lancet into the body portion; an electrooptical system mounted in the housing in optical engagement with the cuvette and for passing a light beam through the cuvette and the reagent system and for receiving the light beam modified by the change in optical transmissive characteristic of the system and for transmitting computation signals indicative of the analyte to a computer; a computer mounted in the housing for receiving the computation signals and for comparing the computation signals against predetermined data to produce display signals indicative of the analyte; a display mounted in the housing and for receiving the display signals and for providing a vehicle display indicative of the analyte; and control switches mounted in the housing and connected to the computer for controlling the operation of the computer. 
Personal Diagnostics, Inc.
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Thomas Peter M.
Palmieri Meserol