Disconnect for medical access devices
First Claim
1. A disconnect device for placement in a medical tubing set comprising:
- a first portion having a first passageway therethrough having a first valve therein biased in a normally closed position to close said first passageway, said first valve being operative to an open position;
a second portion having a second passageway therethrough having a second valve therein biased in a normally closed position to close said second passageway, said second valve being operative to an open position;
attachment means for releasable attachment of said second portion onto said first portion thereby to connect said first and second passageways in fluid communication, to overcome said bias of said first valve and said second valve, to open said valves and to allow a fluid flow through said device; and
said second portion being detachable from said first portion at said attachment means by a preselected force, said first valve and said second valve thereby operative to said normally closed position upon detachment.
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Accused Products
Abstract
A disconnect device for placement in a medical tubing set of the present invention includes a first portion with a first passageway therethrough that has a first valve therein. While the first valve is biased in a normally closed position to close the first passageway, it is operative to an open position. The disconnect device of the invention has a second portion with a second passageway therethrough that has a second valve therein. The second valve is also biased in a normally closed position to close the second passageway and it also is operative to an open position. The second portion is releasably attached to the first portion, connecting the first and second passageways in fluid communication, to overcome the bias of the first valve and the second valve, to open the valves and to allow a fluid flow through the device. When a preselected force, that is, for example, less than a force necessary to physically disrupt a medical access device attached to the tubing set, is applied to the second portion, it is detached from the first portion. With this detachment, the first valve and the second valve are operative to their normally closed positions substantially to stop fluid flow from the fluid reservoir and the medical access device.
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Citations
17 Claims
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1. A disconnect device for placement in a medical tubing set comprising:
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a first portion having a first passageway therethrough having a first valve therein biased in a normally closed position to close said first passageway, said first valve being operative to an open position; a second portion having a second passageway therethrough having a second valve therein biased in a normally closed position to close said second passageway, said second valve being operative to an open position; attachment means for releasable attachment of said second portion onto said first portion thereby to connect said first and second passageways in fluid communication, to overcome said bias of said first valve and said second valve, to open said valves and to allow a fluid flow through said device; and said second portion being detachable from said first portion at said attachment means by a preselected force, said first valve and said second valve thereby operative to said normally closed position upon detachment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A medical tubing set having a disconnect device comprising:
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a proximal adapter to attach a tubing set in fluid communication to a fluid reservoir; a proximal tubing connected in fluid communication to said proximal adapter; a disconnect device having a first portion attached to said proximal tubing having a first passageway therethrough connected in fluid communication to said tubing, said passageway having a first valve therein biased in a normally closed position to close said first passageway, said first valve being operative to an open position; a second portion having a second passageway therethrough having a second valve therein biased in a normally closed position to close said second passageway, said second valve being operative to an open position; attachment means for releasable attachment of said second portion onto said first portion to connect said first and said second passageways in fluid communication, to overcome said bias of said first valve and said second valve, to operate said valves to said open position and to allow a fluid flow through said disconnect device; said second portion being detachable from said first portion at said attachment means by application of a preselected force, said first valve and said second valve thereby operative to said normally closed position upon said detachment; a distal tubing portion connected to said second portion in fluid communication; and a distal adapter connected to said distal tubing portion in fluid communication to attach said tubing set in fluid communication to a medical access device. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification