Modular film sensors with record memory for a modular automated diagnostic apparatus
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Abstract
A modular automated diagnostic analyzer having a fluid entry module for sample aspiration, a valve module for selecting fluids and a pump module for fluidic movement so that a biological samples does not come into contact with the valve system through which calibrants and air are introduced to the fluid path. The fluid entry module encloses an aspiration tube rotatably and slidably engaged with the analysis mechanism chassis to move to different positions for the introduction of fluids into the analysis apparatus from different types of sample containers. A wiping seal removes residues of aspirated fluids from the exterior surfaces of the aspiration tube with the residue being aspirated into the analysis apparatus for disposal. Sensor modules mounted in a sensors chamber are structured to mechanically stack and interlock and include film sensors with use life record memories and each sensor module includes a fluid tight sealed passage and a sensor element. A fluid selection valve of highly polished ceramic material allows a valve cylinder passage to be selectively connected to fluid sources. A self-contained reagent pouch housing contains calibrants including tonometered calibrants in reagent pouches wherein each pouch wall includes multiple layers of materials wherein at least one layer is a thin, flexible glass material. The walls are extended to form a filler neck sealed by heat and pressure along a sealing line below a filler line so that no bubbles are trapped in the reagent pouch.
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Citations
49 Claims
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1-41. -41. (canceled)
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42. A sensor module for performing analysis test on fluid samples, comprising:
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a sensor module body having a single, unitary fluid passage extending between an input passage and an output passage of the module body and forming a flow path for conducting fluids through the sensor module, a plurality of film sensors located on a single substrate in the fluid passage performing measurements of a fluid sample flowing through the sensor chamber, and one or more reference electrodes, wherein the film sensors and the reference electrode are located directly in the fluid flow, and a record memory attached to the sensor module body. - View Dependent Claims (43, 44, 45, 46, 47, 48)
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49. A sensor module for use in a modular automated diagnostic analyzer for performing analysis tests on fluid samples, comprising:
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in the diagnostic analyzer, a modular sensor chamber for receiving at least one removable sensor module, and the at least one removable sensor module includes a sensor module body having a single, unitary sensor fluid passage extending between an input passage and an output passage of the module body and forming a flow path for conducting fluids from the fluid passage through the sensor module, including at least one film sensor located on a single substrate and directly in the flow path of the sensor fluid passage for performing measurements of a fluid sample flowing through the sensor chamber, and a record memory for storing information relating to the at least one film sensor and to the measurement of a fluid sample, and a processing unit connected to the record memory for reading and writing information pertaining to the sensor module and to the measurements of a fluid sample.
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Specification