Method and apparatus for controlling a fluid flow rate in a fluid transport line of a medical device
First Claim
1. An apparatus for controlling a fluid flow rate in a fluid transport line of a medical device comprising:
- a fluid transport line;
a first pump disposed in said fluid transport line for pumping a fluid;
a chamber disposed in said fluid transport line for collecting said fluid;
a sensor for providing a first value correlated to the amount of fluid in said chamber;
a control device configured for (i) receiving a second value representative of the fluid flow rate through the first pump (ii) converting the first value into a fluid flow rate value, and (iii) determining if the second value is accurate by comparing the fluid flow rate value to the second value; and
a second pump disposed in said fluid transport line for pumping the fluid and on a side of the fluid transport line opposite to said first pump with respect to said chamber.
2 Assignments
0 Petitions
Accused Products
Abstract
An apparatus for controlling a fluid flow rate in a fluid transport line of a medical device, including at least a first pump, at least a chamber for collecting the fluid, at least a sensor for providing a first value correlated to the amount of fluid in the chamber, and a control device configured for receiving a second value representative of the fluid flow rate through the first pump and for correlating the second value with the first value to obtain an accuracy check of the second value. A method for controlling a fluid flow rate in a fluid transport line of a medical device including pumping a fluid, collecting the fluid in a chamber, sensing a first value correlated to the amount of fluid in the chamber, and detecting and sending a second value representative of the fluid flow rate through the first pump to a control device, sending the first value to the control device, and correlating the second value with the first value to obtain an accuracy check.
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Citations
27 Claims
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1. An apparatus for controlling a fluid flow rate in a fluid transport line of a medical device comprising:
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a fluid transport line; a first pump disposed in said fluid transport line for pumping a fluid; a chamber disposed in said fluid transport line for collecting said fluid; a sensor for providing a first value correlated to the amount of fluid in said chamber; a control device configured for (i) receiving a second value representative of the fluid flow rate through the first pump (ii) converting the first value into a fluid flow rate value, and (iii) determining if the second value is accurate by comparing the fluid flow rate value to the second value; and a second pump disposed in said fluid transport line for pumping the fluid and on a side of the fluid transport line opposite to said first pump with respect to said chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for controlling a fluid flow rate in a fluid transport line of a medical device comprising:
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pumping a fluid through a fluid transport line by a first pump; collecting said fluid passing in said transport line in a chamber; sensing the amount of fluid in said chamber and generating a first value representative of the amount of the fluid in said chamber which is sent to a control device; detecting and sending a second value representative of a fluid flow rate through the fluid transport line to a control device; converting the first value into a fluid flow rate value; determining if the second value is accurate by comparing the fluid flow rate value to the second value; and pumping the fluid with a second pump disposed in said fluid transport line on a side opposite to said first pump with respect to said chamber. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus for controlling a fluid flow rate in a fluid transport line which is a waste line of a medical device, comprising:
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a fluid transport line; a first pump disposed in said fluid transport line for pumping the fluid; a chamber disposed in said fluid transport line for collecting said fluid; a sensor for providing a first value correlated to the amount of fluid in said chamber; a control device configured for (i) receiving a second value representative of the fluid flow rate through the first pump (ii) converting the first value into a fluid flow rate value, and (iii) determining if the second value is accurate by comparing the fluid flow rate value to the second value; and a fluid flow regulator disposed in said fluid transport line for regulating the flow rate of said fluid on a side opposite said chamber from said first pump, said fluid flow regulator being also operatively connected to said control device, wherein the fluid flow regulator includes a second pump disposed in said fluid transport line for pumping a fluid on the opposite side of said first chamber. - View Dependent Claims (22, 23)
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24. A method for controlling a fluid flow rate in a fluid transport line which is a waste line of a medical device, comprising the steps of:
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pumping a fluid through the fluid transport line by a first pump; collecting said fluid passing in said transport line in a chamber; sensing the amount of fluid in said chamber and generating a first value representative of the amount of fluid in said chamber; sending the first value to a control device; detecting and sending a second value representative of a fluid flow rate through the first pump to the control device; converting the first value into a fluid flow rate value; determining if the second value is accurate by comparing the fluid flow rate value to the second value; and regulating a fluid flow rate of said fluid on a side opposite said first chamber from said first pump, the step of regulating including pumping the fluid with a second pump disposed in said fluid transport line on the side opposite said first chamber. - View Dependent Claims (25)
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26. An apparatus for controlling a fluid flow rate in a fluid transport line which is an infusion line of a medical device, comprising:
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a fluid transport line; a first pump disposed in said fluid transport line for pumping the fluid; a chamber disposed in said fluid transport line for collecting said fluid; a sensor for providing a first value correlated to the amount of fluid in said chamber; a fluid flow regulator disposed in said fluid transport line for regulating the flow rate of said fluid on a side opposite said chamber from said first pump, wherein the fluid flow regulator includes a second pump disposed in said fluid transport line for pumping a fluid on the side opposite said first chamber; a control device configured for (i) receiving a second value representative of the fluid flow rate through the first pump (ii) converting the first value into a fluid flow rate, and (iii) determining if the second value is accurate by comparing the fluid flow rate value to the second value; and a fluid flow regulator disposed in said fluid transport line for regulating the flow rate of said fluid on a side opposite said chamber from said first pump, said fluid flow regulator being also operatively connected to said control device, wherein the fluid flow regulator includes a second pump disposed in said fluid transport line for pumping a fluid on the side opposite said first chamber.
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27. A method for controlling a fluid flow rate in a fluid transport line which is an infusion line of a medical device, comprising the steps of:
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pumping a fluid through a fluid transport line by a first pump; collecting said fluid passing in said transport line in a chamber; sensing the amount of fluid in said chamber and generating a first value representative of the amount of fluid in said chamber; sending the first value to a control device; detecting and sending a second value representative of a fluid flow rate through the first pump to the control device; converting the first value into a fluid flow rate value; determining if the second value is accurate by comparing the fluid flow rate value to the second value; and regulating a fluid flow rate of said fluid on a side opposite said first chamber from said first pump, the step of regulating including pumping the fluid with a second pump disposed in said fluid transport line on the side opposite of said first chamber.
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Specification