SIMULATION OF PATIENT DRAIN PHASE IN PERITONEAL DIALYSIS
First Claim
Patent Images
1. A method of modeling a patient'"'"'s peritoneal dialysis drain phase comprising:
- modeling a first segment of a drain phase curve as having a constant flowrate;
modeling a second segment of a drain phase curve as having a decaying exponential flowrate; and
incorporating a switching component into the first and second segments so that (i) at a first time the first segment is active and while the second segment is inactive and (ii) at a second time the first segment is inactive and while the second segment is active.
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Abstract
A method of modeling a patient'"'"'s peritoneal dialysis drain phase includes (i) modeling a first segment of a drain phase curve as having a constant flowrate; (ii) modeling a second segment of a drain phase curve as having a decaying exponential flowrate; and (iii) incorporating a switching component into the first and second components so that (a) at a first time the first segment is active and while the second segment is inactive and (b) at a second time the first segment is inactive and while the second segment is active.
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Citations
20 Claims
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1. A method of modeling a patient'"'"'s peritoneal dialysis drain phase comprising:
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modeling a first segment of a drain phase curve as having a constant flowrate; modeling a second segment of a drain phase curve as having a decaying exponential flowrate; and incorporating a switching component into the first and second segments so that (i) at a first time the first segment is active and while the second segment is inactive and (ii) at a second time the first segment is inactive and while the second segment is active. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of modeling a patient'"'"'s peritoneal dialysis drain phase comprising:
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modeling a first segment of a drain phase curve as having a linear decrease in drain volume from the patient; modeling a second segment of a drain phase curve as having an exponentially decaying decrease in drain volume from the patient; and incorporating a switching component into the first and second segments so that (i) at a first time the first segment is active and while the second segment is inactive and (ii) at a second time the first segment is inactive and while the second segment is active. - View Dependent Claims (11, 12, 13)
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14. An apparatus for modeling a patient'"'"'s peritoneal dialysis drain phase comprising:
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a computer readable medium modified to yield an instantaneous drain volume remaining in a patient, VD, which is equal to [VD0−
Qmax*t]*Φ
+[VD0*e−
α
t]*(1−
Φ
), whereinVD0 is an initial patient drain volume; Qmax is a starting flowrate; Φ
is a switching component;α
is a decaying exponential constant; andt is time. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification