Intravenous fluid delivery device
First Claim
1. An intravenous fluid delivery device for connecting a patient to first and second intravenous fluid sources, the device comprising:
- a spike for connecting the device to the first intravenous fluid source, wherein the spike defines a portion of a fluid passageway passing from the first fluid source to the patient;
a connection site for providing fluid communication between the second intravenous fluid source and the fluid passageway, the connection site being rigidly attached to the spike so as to maintain the connection site and the spike in fixed relation to each other;
a drip chamber rigidly attached to the spike and the connection site and defining another portion of the fluid passageway;
an intravenous fluid line defining another portion of the fluid passageway, the intravenous fluid line being mounted on the drip chamber, such that the fluid may flow from the drip chamber into the intravenous fluid line to the patient; and
a one-way valve mounted in the fluid passageway between the spike and the connection site, so that intravenous fluid may flow from the first fluid source through the spike, the one-way valve and the drip chamber to the intravenous fluid line, and so that fluid from the second fluid source may flow through the connection site and the drip chamber to the intravenous fluid line, but is prevented from flowing through the spike, the one-way valve being rigidly mounted so as to maintain the one-way valve in fixed relation to the connection site and the spike.
1 Assignment
0 Petitions
Accused Products
Abstract
A compact, integrated intravenous fluid delivery device. In one embodiment, the invention may be used with first and second intravenous fluid sources and an intravenous fluid line. This embodiment includes a spike for connecting the device to the first intravenous fluid source. A fluid passageway passes through the spike. A connection site (e.g. a puncture site) connects the device to the second intravenous fluid source. This embodiment also includes a drip chamber, through which the fluid may flow to the intravenous fluid line. This embodiment may include an adjustable valve, which includes a flexible tube mounted so that fluid may pass from the fluid passageway in the spike, from the connection site, and through the tube. The valve includes an actuator mounted with respect to the tube so that it may be urged to compress the tube. The spike, the adjustable valve, and the drip chamber are rigidly attached to each other, with no flexible tubing between the various components. This embodiment may further include a one-way valve mounted below the spike and above the connection site, so that intravenous fluid may flow from the fluid passageway through the one-way valve, and so that fluid from the second fluid source may flow to the intravenous fluid line, but may not flow through the fluid passageway in the spike.
102 Citations
6 Claims
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1. An intravenous fluid delivery device for connecting a patient to first and second intravenous fluid sources, the device comprising:
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a spike for connecting the device to the first intravenous fluid source, wherein the spike defines a portion of a fluid passageway passing from the first fluid source to the patient; a connection site for providing fluid communication between the second intravenous fluid source and the fluid passageway, the connection site being rigidly attached to the spike so as to maintain the connection site and the spike in fixed relation to each other; a drip chamber rigidly attached to the spike and the connection site and defining another portion of the fluid passageway; an intravenous fluid line defining another portion of the fluid passageway, the intravenous fluid line being mounted on the drip chamber, such that the fluid may flow from the drip chamber into the intravenous fluid line to the patient; and a one-way valve mounted in the fluid passageway between the spike and the connection site, so that intravenous fluid may flow from the first fluid source through the spike, the one-way valve and the drip chamber to the intravenous fluid line, and so that fluid from the second fluid source may flow through the connection site and the drip chamber to the intravenous fluid line, but is prevented from flowing through the spike, the one-way valve being rigidly mounted so as to maintain the one-way valve in fixed relation to the connection site and the spike. - View Dependent Claims (6)
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2. An intravenous fluid delivery device for connecting a patient to first and second intravenous fluid sources, the device comprising:
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a spike for connecting the device to the first intravenous fluid source, wherein the spike defines a portion of a fluid passageway passing from the first fluid source to the patient; a connection site for providing fluid communication between the second intravenous fluid source and the fluid passageway, the connection site being rigidly attached to the spike so as to maintain the connection site and the spike in fixed relation to each other; an adjustable valve including a flexible tube partially defining another portion of the fluid passageway, the tube being mounted so that fluid may pass from the spike, and from the connection site, and through the tube, a rigid threaded seat disposed about the tube, the rigid threaded seat being rigidly attached to the spike and the connection site so as to maintain the connection site, the spike and the rigid threaded seat in fixed relation to each other, a levered arm mounted on the threaded seat so that the arm may be urged to compress the tube, so as to restrict flow through the tube, and a threaded nut engagedly and concentrically mounted on and about the seat, so that as the nut is turned it may urge the levered arm to compress the tube; a drip chamber rigidly attached to the spike, the connection site and the adjustable valve'"'"'s rigid threaded seat, the drip chamber defining another portion of the fluid passageway, so that fluid may flow from the first fluid source through the spike and the adjustable valve'"'"'s tube to the drip chamber, and so that fluid may flow from the second fluid source through the connection site and the adjustable valve'"'"'s tube to the drip chamber; and an intravenous fluid line defining another portion of the fluid passageway, the intravenous line being mounted on the drip chamber, such that the fluid may flow from the drip chamber into the intravenous fluid line to the patient. - View Dependent Claims (3, 4)
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5. An intravenous fluid delivery device for connecting a patient to an intravenous fluid source, the device comprising:
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a spike for connecting the device to the intravenous fluid source, wherein the spike partially defines a portion of a fluid passageway passing from the fluid source to the patient; an adjustable valve including a flexible tube partially defining another portion of the fluid passageway, the tube being mounted so that fluid may pass from the spike and through the tube, a rigid threaded seat disposed about the tube, the rigid threaded seat being rigidly attached to the spike so as to maintain the spike and the rigid threaded seat in fixed relation to each other, a levered arm mounted on the threaded seat so that the arm may be urged to compress the tube, so as to restrict flow through the tube, and a threaded nut engagedly and concentrically mounted on and about the seat, so that as the nut is turned it may urge the levered arm to compress the tube; a drip chamber rigidly attached to the spike and the adjustable valve'"'"'s rigid threaded seat, the drip chamber defining a portion of the fluid passageway, so that fluid may flow from the fluid source through the spike and the adjustable valve'"'"'s tube to the drip chamber; and an intravenous fluid line defining another portion of the fluid passageway, the intravenous fluid line being mounted on the drip chamber, such that fluid may flow from the drip chamber into the intravenous fluid line to the patient.
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Specification