Pressure-driven irrigation pump
First Claim
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1. A system, comprising:
- a medical device comprising a probe comprising an ablation electrode configured to perform ablation of tissue, the probe being configured to receive fluid and to irrigate the tissue with the received fluid during ablation; and
a medical pump comprisingfirst and second compartments configured to accept respective first and second containers of the fluid to be pumped to the medical device,a paddle having a first planar surface and an opposing second planar surface, fitted between the first compartment and the second compartment and dividing the first compartment from the second compartment, anda control module configured to drive the paddle to alternate between first time periods in which the first planar surface of the paddle applies pressure to the first container to pump the fluid therefrom, and second time periods in which the opposing second planar surface of the paddle applies the pressure to the second container to pump the fluid therefrom.
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Abstract
A medical pump includes first and second compartments, which are configured to accept respective first and second containers of fluid to be pumped to a medical device, and a paddle, which is fitted between the first and second compartments. The pump additionally includes a control module, which is configured to drive the paddle to alternate between first time periods in which the paddle applies pressure to the first container so as to pump the fluid therefrom, and second time periods in which the paddle applies the pressure to the second container so as to pump the fluid therefrom.
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Citations
27 Claims
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1. A system, comprising:
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a medical device comprising a probe comprising an ablation electrode configured to perform ablation of tissue, the probe being configured to receive fluid and to irrigate the tissue with the received fluid during ablation; and a medical pump comprising first and second compartments configured to accept respective first and second containers of the fluid to be pumped to the medical device, a paddle having a first planar surface and an opposing second planar surface, fitted between the first compartment and the second compartment and dividing the first compartment from the second compartment, and a control module configured to drive the paddle to alternate between first time periods in which the first planar surface of the paddle applies pressure to the first container to pump the fluid therefrom, and second time periods in which the opposing second planar surface of the paddle applies the pressure to the second container to pump the fluid therefrom. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of using a medical pump comprising first and second compartments configured to accept respective first and second containers of fluid to be pumped to a medical device, a paddle having a first planar surface and an opposing second planar surface, fitted between the first compartment and the second compartment and dividing the first compartment from the second compartment, and a control module configured to drive the paddle to alternate between first time periods in which the first planar surface of the paddle applies pressure to the first container to pump the fluid therefrom, and second time periods in which the opposing second planar surface of the paddle applies the pressure to the second container to pump the fluid therefrom, the method comprising:
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placing the first compartment in the first container and the second compartment in the second container; and driving the paddle to alternate between first time periods wherein the first planar surface of the paddle applies pressure to the first container thereby pumping the fluid from the first container, and second time periods wherein the opposing second planar surface of the paddle applies pressure to the second container thereby pumping the fluid from the second container, wherein pumping the fluid comprises irrigating a tissue with the pumped fluid during ablation of tissue. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A system, comprising:
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a medical device comprising a probe comprising an ablation electrode configured to perform ablation of tissue, the probe being configured to receive fluid and to irrigate the tissue with the received fluid during ablation; and a medical pump comprising a first planar wall having a first top edge and a first bottom edge, and an opposing second planar wall having a second top edge and a second bottom edge, wherein a distance between the first top edge and the second top edge is greater than a distance between the first bottom edge and the second bottom edge, defining a compartment have a V-configuration; a paddle having a first planar surface and an opposing second planar surface, the paddle being disposed between the first planar wall and the opposing second planar wall dividing the compartment into a first compartment and a second compartment, the first and second compartments configured to accept respective first and second containers of the fluid to be pumped to the medical device, and a control module configured to drive the paddle to alternate between first time periods in which the first planar surface of the paddle applies pressure to the first container to pump the fluid therefrom, and second time periods in which the second planar surface of the paddle applies the pressure to the second container to pump the fluid therefrom. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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providing a medical pump comprising a first planar wall having a first top edge and a first bottom edge, and an opposing second planar wall having a second top edge and a second bottom edge, wherein a distance between the first top edge and the second top edge is greater than a distance between the first bottom edge and the second bottom edge, thereby defining a compartment have a V-configuration, a paddle having a first planar surface and an opposing second planar surface, the paddle being disposed between the first planar wall and the second planar wall dividing the compartment into a first compartment and a second compartment, a control module configured to drive the paddle; disposing a first container in the first compartment and the second container in the second compartment, the first and second containers comprising a fluid; providing a medical device in flow communication with the first and second containers, the medical device comprising a probe comprising an ablation electrode configured to perform ablation of tissue, wherein the probe is configured to receive the fluid and to irrigate tissue with the received fluid during ablation; and driving the paddle to alternate between first time periods wherein the first planar surface of the paddle applies pressure to the first container thereby pumping the fluid therefrom, and second time periods wherein the opposing second planar surface of the paddle applies pressure to the second container thereby pumping the fluid therefrom. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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Specification