US20060079809A1 - Blood Monitoring System - Google Patents
U.S. Pat. No. 4,919,596, assigned to IVAC Holdings describes a fluid delivery monitoring and control apparatus for use in a remedy infusion system. What is also needed is a patient fluid infusion delivery system and blood monitoring system wherein the blood measurement unit is situated close to the infusion pump, for ease of use in a vital care or surgical atmosphere. Each single use sensor is advanced sequentially and positioned for direct contact with a blood pattern through an advancement means, wherein the advancement means contains a blood optical sensor for sensing the arrival and departure of undiluted blood within the sensor cassette. Subsequently, the control unit automatically resumes regular operation of infusion of the exterior infusion fluid supply system. Further nonetheless, the mixed measurement improves the accuracy of predicting whole blood glucose stage from measured plasma glucose degree. FIGS. Three a - 3 d illustrate a sensor tape, as used in FIGS.
FIGS. 4 a - four d illustrate a sensor tape, as used in FIGS. FIG. 6 a is an illustration of a sensor cassette as used within the automated blood evaluation machine of the current invention. FIG. 6 c is an remoted and expanded illustration of the drum construction of a sensor cassette as used in the automated blood oxygen monitor analysis machine of the present invention. FIG. 6 d is an remoted illustration of the take a look at strip handling mechanism of the sensor cassette as used within the automated blood evaluation device of the current invention. FIGS. 6 e and 6 f are expanded illustrations of the blood sample supply operation as used within the as used within the automated blood analysis machine of the current invention. FIGS. 6 g and 6 h are illustrations of the tubing cleaning operation as used in the automated blood analysis system of the current invention.
FIGS. 10 a and 10 b illustrate alternative strategies for controlling the flow of fluids in connection to the automated blood evaluation device of the current invention, as shown in FIGS. FIG. 12 illustrates a desk of blood bolus volumes in cubic centimeters in keeping with the tube diameter in mm and its size in cm. FIG. 14 illustrates an automatic blood evaluation system, resembling that proven in FIGS. FIG. 15 illustrates a machine similar to that described with reference to FIGS. FIG. 18 depicts one other non-obligatory embodiment of the automated blood analysis gadget, BloodVitals SPO2 whereby a saline bag is added to the system for self-flushing. "clean" and undiluted blood pattern. If linked in parallel to an infusion fluid delivery system, the system automatically resumes normal infusion operation till the subsequent blood chemistry studying is desired. Optionally, the system disposes of your complete blood sample and simply resumes regular infusion operation.
Either single lumen or multiple lumen tubing constructions are attached to the catheter attached to the vascular entry level. CL ⁇ , Mg, Ca); blood gases (pO 2 , pCO 2 , pH); cholesterol; bilirubin stage; and numerous other parameters that may be measured from blood or blood oxygen monitor plasma samples. 1 is a device for mechanically measuring blood analytes and blood parameters. Automated blood evaluation machine 1 is related to a catheter or a venflon (not shown) resulting in the patient 2 , with the intention to routinely accumulate blood samples and mechanically measure required blood parameters. 1 comprises foremost unit three ; sensor cassette 5 , which is preferably disposable; waste container 7 ; fluid container 9 ; first infusion pump 11 ; and blood oxygen monitor second infusion pump 13 . 11 and second infusion pump thirteen are volumetric infusion pumps as are properly-identified in the art to be used in intravenous fluid administration methods, though different forms of pumps equivalent to peristaltic pumps, piston pumps, or syringe pumps can be used.
Also, blood oxygen monitor but not limited to such uses, it is most popular that first infusion pump 11 is used to manage the stream within the fluid supply line from fluid container 9 and second infusion pump thirteen is used to manage the movement in line 16 used for drawing blood samples to sensor cassette 5 . Automated blood evaluation device 1 additionally comprises a collection of tubes, including line 16 , which are described in additional element below. 1 contains a first automated three-manner stopcock 15 for controlling the movement inside line sixteen and a second automated three-way stopcock 17 for controlling the flow of fluids to and from the exterior tubing and/or exterior devices. 15 and second stopcock 17 is preferably fully automated and managed by major unit 3 . An automatic sampling interface mechanism 18 described in further element beneath, allows a blood pattern to be introduced routinely from line 16 to sensor 19 inside sensor BloodVitals SPO2 cassette 5 .
