SYSTEM FOR DELIVERING SOLUTIONS AND REDUCING WASTE
First Claim
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1. A system for delivering solution comprising:
- an infusion set for delivering a solution to a patient, the infusion set comprising a solution reservoir, the solution reservoir comprising a separation member for separating the solution reservoir into a first section configured for receiving a pump fluid and a second section configured for holding and dispensing a solution, wherein the separation member separates the pump fluid in the first section from the solution in the second section, and wherein the flow of pump fluid into the first section causes a corresponding flow of solution from the second section.
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Abstract
An infusion system utilizes a solution reservoir divided into a first section and a second section which are fluidly isolated but volumetrically connected such that introduction of a pumping fluid into the first section of the reservoir causes displacement and flow of a solution out of the second section of the reservoir. The use of a separate reservoir, separation member, and delivery tubing allow for significantly decreased loss of feeding solution and the like due to dead volume.
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Citations
25 Claims
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1. A system for delivering solution comprising:
an infusion set for delivering a solution to a patient, the infusion set comprising a solution reservoir, the solution reservoir comprising a separation member for separating the solution reservoir into a first section configured for receiving a pump fluid and a second section configured for holding and dispensing a solution, wherein the separation member separates the pump fluid in the first section from the solution in the second section, and wherein the flow of pump fluid into the first section causes a corresponding flow of solution from the second section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A system for delivering a solution to a patient comprising:
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a reservoir comprising; a first reservoir section; an inlet port in fluid connection with the first reservoir section; a second reservoir section; an outlet port in fluid communication with the second reservoir section; a separation member for isolating the first reservoir section from the second reservoir section and for preventing the mixing of fluids disposed in the first reservoir section and the second reservoir section, the separation member being movable such that introduction of fluid into the first reservoir section expels fluid from the second reservoir section; and tubing configured for infusing a solution into a patient; and - View Dependent Claims (19, 20, 21)
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22. A system for delivering solution comprising;
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a pump fluid reservoir; a solution reservoir, the solution reservoir comprising; a first section configured for receiving pump fluid; a second section configured for holding and delivering solution; and a separation member for separating the first section from the second section, the separation member being moveable to expel solution from the second section in response to fluid being received in the first section; pump tubing connecting the pump fluid reservoir to the first section of the solution reservoir; a pump for transferring pump fluid from the pump fluid reservoir to the first section of the solution reservoir and thereby displacing solution from the second section of the solution reservoir; and delivery tubing configured for delivering the solution to a patient. - View Dependent Claims (23, 24, 25)
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Specification