Closed drug delivery system
First Claim
1. An apparatus for use in infusing fluids into a patient at a controlled rate, said apparatus comprising:
- (a) a container assembly including;
(i) a container having a fluid flow passageway and walls defining an internal chamber in communication with said fluid passageway;
(ii) adding means disposed within said chamber for adding an additive to fluid flowing through said chamber, said adding means comprising an additive and an additive presentation means for presenting said additive to the fluid; and
(b) an infusion device comprising a housing having first and second portions, said first portion including coupling means for coupling said container assembly with said first portion of said housing, said coupling means having a first passageway adapted to communicate with said fluid flow passageway of said container, said second portion of said housing comprising;
(i) a base having a fluid outlet and first and second fluid passageways formed therein, said first passageway being in communication with said first passageway of said coupling means and said second passageway being in communication with said fluid outlet; and
p2 (ii) a thin, generally planar distendable membrane constructed of an elastic material, said membrane overlying and cooperating with said base to define a reservoir for containing a fluid, said reservoir being in communication with said first and second passageways of said base, said membrane being distendable by fluid introduced into said chamber under pressure and having a tendency to return to a substantially less distended configuration, whereby the fluid contained within said reservoir will be urged to flow selectively into said first and second passageways of said base.
6 Assignments
0 Petitions
Accused Products
Abstract
An apparatus for controllably intermixing two or more components in a sterile, closed environment to produce a flowable substance and then for expelling the flowable substance from the apparatus at a precisely contolled rate. The apparatus is particularly useful for medical applications and includes a dispenser portion with its own stored energy element provided in the form of an elastomeric membrane and a coupling mechanism for coupling a drug vial to the dispenser portion for controlled mixing a medicament contained within the drug vial with a diluent stored within the dispenser portion of the apparatus via a sterile pathway.
95 Citations
30 Claims
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1. An apparatus for use in infusing fluids into a patient at a controlled rate, said apparatus comprising:
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(a) a container assembly including; (i) a container having a fluid flow passageway and walls defining an internal chamber in communication with said fluid passageway; (ii) adding means disposed within said chamber for adding an additive to fluid flowing through said chamber, said adding means comprising an additive and an additive presentation means for presenting said additive to the fluid; and (b) an infusion device comprising a housing having first and second portions, said first portion including coupling means for coupling said container assembly with said first portion of said housing, said coupling means having a first passageway adapted to communicate with said fluid flow passageway of said container, said second portion of said housing comprising; (i) a base having a fluid outlet and first and second fluid passageways formed therein, said first passageway being in communication with said first passageway of said coupling means and said second passageway being in communication with said fluid outlet; and
p2 (ii) a thin, generally planar distendable membrane constructed of an elastic material, said membrane overlying and cooperating with said base to define a reservoir for containing a fluid, said reservoir being in communication with said first and second passageways of said base, said membrane being distendable by fluid introduced into said chamber under pressure and having a tendency to return to a substantially less distended configuration, whereby the fluid contained within said reservoir will be urged to flow selectively into said first and second passageways of said base. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A mixing apparatus comprising:
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(a) a container assembly including; (i) a first container having a fluid flow passageway and walls defining an internal chamber in communication with said fluid flow passageway; (ii) adding means disposed within said chamber for adding an additive to fluid flowing through said chamber, said adding means comprising an additive and an additive presentation means for presenting said additive to the fluid; (b) a dispensing device comprising a housing having an outlet port and first and second portions, said first portion including; (i) coupling means for coupling said container assembly with said first portion of said housing, said coupling means having a first passageway adapted to communicate with said fluid flow passageway of said first container; (ii) flow control means for controlling the flow of fluid through said first passageway; said second portion comprising; (i) a base having first and second fluid passageways formed therein, said first passageway being in communication with said first passageway of said coupling means and said second passageway being in communication with said fluid outlet; (ii) a thin, generally planar distendable membrane constructed of an elastic material, said membrane overlaying and cooperating with said base to define a reservoir for containing a fluid, said reservoir being in communication with said first and second passageways of said base, said membrane being distendable by fluid introduced into said chamber under pressure and having a tendency to return to a substantially less distended configuration, whereby the fluid contained within said reservoir will be urged to flow into said first and second passageways of said base. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A mixing and delivery apparatus comprising:
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(a) a container assembly including; (i) a container having a fluid flow passageway and walls defining an internal chamber in communication with said fluid passageway; (ii) adding means disposed within said chamber for adding an additive to fluid flowing through said fluid flow passageway into said chamber, said adding means comprising an additive and an additive presentation means being disposed within said chamber in the path of fluid flowing into said chamber through said fluid flow passageway; and (b) a delivery device comprising a housing having first and second portions, said first portion including coupling means for coupling said container assembly with said first portion of said housing, said coupling means having a first passageway adapted to communicate with said fluid flow passageway of said container, said second portion of said housing comprising; (i) a base having a fluid outlet and first and second fluid passageways formed therein, said first passageway being in communication with said first passageway of said coupling means and said second passageway being in communication with said fluid outlet; and (ii) a thin, generally planar distendable membrane constructed of an elastic material, said membrane overlaying and cooperating with said base to define a reservoir for containing a fluid said reservoir being in communication with said first and second passageways of said base, said membrane being distendable by fluid introduced into said chamber under pressure and having a tendency to return to a substantially less distended configuration, whereby the fluid contained within said reservoir will be urged to flow selectively into said first and second passageways of said base. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification