Method and electronic control for the analyzation of serum chemi

Details Method and electronic control for the analyzation of serum chemi Method and electronic control for the analyzation of serum chemi

1975-01-16

1976-05-04

Morrison, Malcolm A.

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Transfer mechanism

Traveling pawl

23515135, 250573, 356 81, 356204, G06F 1542

Patent

active

RE0288039

ABSTRACT:
An electronic control logic system for processing the results of a spectrophotometer analysis of a serum chemistry comprised of a serum and one or more chemical reagents. The spectrophotometer output representing air as a light path and another output representing the test chemistry as a light path are integrated and the air path integrated value allowed to exponentially decay until its value is equal to that of the integrated test chemistry path value. The decay time is converted into a train of digital pulses representative of the optical density of the test chemistry. These pulses are counted and their total stored for comparison with the corresponding optical density of a standard solution. The concentration of the element for which the particular test was designed to detect is known for the standard solution, so the percentage concentration of that element in the test chemistry may be thereby ascertained. Programable variations are provided to enable the evaluation of test results from a kinetic or an end point test. The results of the analysis, together with a test identification number and a patient identification number is selectively applied by a printer control logic section for suitable printing of the data.

REFERENCES:
patent: 3428796 (1969-02-01), Martens et al.
patent: 3528749 (1970-09-01), Bowker
patent: 3531202 (1970-09-01), Wilkinson et al.
patent: 3552863 (1971-01-01), Smith
patent: 3553444 (1971-01-01), Tong
patent: 3609047 (1971-09-01), Marlow
patent: 3633012 (1972-01-01), Wilhelmson et al.
patent: 3652850 (1972-03-01), Briggs
patent: 3701601 (1972-10-01), Plumpe, Jr. et al.

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