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US9566385B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9566385-B2 |
| Application number | US-201414249266-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 9, 2014 |
| Priority date | May 27, 2009 |
| Publication date | Feb 14, 2017 |
| Grant date | Feb 14, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An apparatus for delivery of fluids to a patient includes an inlet tube and an outlet tube connected to each other at an angular joint. A rotary valve and a piston are fitted to the angular joint forming a chamber. The rotary valve is provided with a priming channel notch and a pumping notch. For priming operation with the fluid delivery apparatus, a user sets the rotary valve to a priming position. During pumping operation, the rotary valve rotates in coordination with the piston to transfer a quantum of fluid from the inlet tube to the outlet tube via the chamber. A second piston is optionally provided on the outlet tube for smoothing out flow rate pulsations.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of delivering fluid from an inlet tube connected to a fluid reservoir to an outlet tube in a pumping cycle; the method comprising: positioning, during an inflow phase of the pumping cycle, a valve to a first pumping position to establish a fluid contact between the inlet tube and a first aspiration cavity without having a fluid connection between the first aspiration cavity and the outlet tube, wherein positioning the valve to the first pumping posi…
Assignees
Inventors
Classifications
Human Necessities · mapped topic
Human Necessities · mapped topic
- A61M5/16881Primary
Human Necessities · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9566385B2 cover?
- An apparatus for delivery of fluids to a patient includes an inlet tube and an outlet tube connected to each other at an angular joint. A rotary valve and a piston are fitted to the angular joint forming a chamber. The rotary valve is provided with a priming channel notch and a pumping notch. For priming operation with the fluid delivery apparatus, a user sets the rotary valve to a priming posi…
- Who is the assignee on this patent?
- Carefusion 303 Inc
- What technology area does this patent fall under?
- Primary CPC classification A61M5/16881. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Feb 14 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).