Medicament admixing system
A system for mixing or reconstituting a drug contained in a first container with a diluent or fluid contained in a second container. The second container has a port docking assembly for engaging the first container. The first container is rotatable and axially slidable within the port docking assembly. The port docking assembly has an actuator to urge a stopper fluidly sealing the first container into the interior of the first container. The port docking assembly further includes a movable plug constructed to fluidly seal the second container in a first, docked position and to provide access to the interior of the second container in a second, activated position, whereby fluid communication between the first and second containers is provided when the first and second containers are in the second, activated position.
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The invention relates generally to a system and method for mixing the contents of two containers, and more particularly to a system for mixing or reconstituting a medicament contained in a first container with a diluent contained in a second container.
BACKGROUND OF THE INVENTIONMedicaments or drugs administered in a health care environment are typically packaged in vials whose interior is maintained in a sterile condition. The vials themselves are sealed by a sterile stopper which is typically pierced by a cannula when it is desired to remove the medicament or drug. Several procedures are required to get the drug from the vial into the body of a patient. Each procedure potentially jeopardizes the sterility of the vial, the stopper or the medicament. Further, if the medicament in a particular vial is a powder or is concentrated, there is often a need to add diluent to the vial to dissolve the powder or to dilute the concentrated medicament solution to the desired strength. Devices providing separate compartments in a single container for separately enclosing different components in such as way that they may be later intermixed are described in various U.S. patents, including U.S. Pat. No. 2,176,923 to Nitardy; U.S. Pat. No. 3,290,017 to Davies et al.; and, U.S. Pat. No. 3,532,254 to Burke et al. Additional devices of this type are disclosed in other U.S. patents, including U.S. Pat. No. 4,458,811 to Wilkinson; U.S. Pat. No. 4,610,684 to Knox, et al.; U.S. Pat. No. 4,998,671 to Lefheit; U.S. Pat. No. 5,102,408 to Hanacher; U.S. Pat. No. 5,176,526 to Barney, et al.; U.S. Pat. No. 5,462,526 to Barney, et al.; U.S. Pat. No. 5,928,213 to Barney, et al.; U.S. Pat. No. 5,944,709 to Barney, et al.; U.S. Pat. No. 6,203,535 to Barney, et al.; and U.S. Pat. No. 6,846,305 to Smith, et al.
Additionally, dual compartmented container systems having the means to intermix the contents of the two containers are also known in the art. For example, Hospira, Inc., the assignee of the present invention, owns numerous patents relating to such technology, including U.S. Pat. Nos. 4,614,267; 4,614,515; 4,757,911; 4,703,864; 4,784,658; 4,784,259; 4,948,000; 4,963,441; and, 5,064,059. Such delivery systems are manufactured and sold by Hospira, Inc. under the ADD-VANTAGE® trademark.
Accordingly, reconstitution systems and systems to intermix the contents of two containers from outside the container are well known in the art. While such reconstitution systems according to the prior art provide a number of advantageous features, they nevertheless have certain limitations. The present invention seeks to overcome certain of these limitations and other drawbacks of the prior art, and to provide new features not heretofore available. A full discussion of the features and advantages of the present invention is deferred to the following detailed description, which proceeds with reference to the accompanying drawings.
SUMMARY OF THE INVENTIONThe present invention generally provides a system for mixing or reconstituting a drug contained in a first container with a diluent contained in a second container. In one embodiment the first container has a body cap that engages a port assembly connected to the second container to provide for fluid communication between a cavity of the first container and a cavity of the second container.
According to one embodiment, the first container is a drug container. The drug container has a neck and an opening in the neck leading to a cavity. A stopper is positioned within the opening of the first container to close off access to the cavity of the first container. The body cap is positioned around the neck and body portions of the container body. The body cap has a first mating member adapted to be received by a second mating member of the second container for connecting the first container to the second container. In one embodiment the first mating member comprises a flange extending from the body cap.
According to another embodiment, the second container is a diluent container, such as an IV bag. The diluent container has a port assembly extending therefrom. The port assembly is designed to receive the first container to place the contents of the first container in fluid communication with the contents of the second container.
According to another embodiment, the port assembly has a first opening at a proximal end thereof providing access to a cavity of the port housing, a second opening opposing the first opening, and a moveable plug sealing the second opening. According to another embodiment, the port housing has a second mating member adapted to engage the first mating member of the first container for connecting the second container to the first container. In one embodiment the second mating member is a retainer having a plurality of different length tabs to engage the first container in different axial positions.
According to another embodiment, the first set of tabs are utilized to assist in docking the first container in the port housing, and preferably preventing the first container from being removed from the port housing following docking, i.e., in a docked, non-activated position. In another embodiment, the second set of tabs is utilized to assist in maintaining the first container in an activated position.
According to another embodiment, the stopper transitions from a first position within the opening of the neck of the container body, to a second position within the cavity of the container body. When the stopper is in the second position medicament can flow through the opening in the first container
According to another embodiment, the port assembly has an integral actuator. The actuator is positioned within the cavity of the port housing. In one embodiment, the actuator has a proximal end, a distal end, and a central cavity. In another embodiment the actuator is comprised of a plurality of axial sidewall members with axial gaps between the sidewall members.
According to another embodiment, a system for mixing a medicament in a first container with a sterile fluid in a second container is provided. The system comprises an activation collar connected to the first container.
According to another embodiment, the first container has a recessed track on an outer surface thereof, and the activation collar has a protrusion that mates with the track. The geometry of the track dictates allowable movement of the first container.
According to another embodiment, a visual indicator is provided on the outer surface of the first container. The visual indicator is generally visible when the first container is in the first or docked position. However, the visual indicator is generally hidden within the port assembly when the first container is in the second or activated position, thereby providing a positive visual indication of activation.
Other features and advantages of the invention will be apparent from the following specification taken in conjunction with the following drawings.
To understand the present invention, it will now be described by way of example, with reference to the accompanying drawings in which:
While this invention is susceptible of embodiments in many different forms, there is shown in the drawings and will herein be described in detail preferred embodiments of the invention with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not intended to limit the broad aspect of the invention to the embodiments illustrated.
Referring now to the Figures, and specifically to
The first container 412 has an upper body member 416 or body cap 416 that is adapted to mate with a retainer 486 in the port assembly 418 of the second container 414, as depicted in
As shown in
First container 412 can be in the form of a vial can be constructed from a variety of known materials, including glasses, plastics, and any other commercially acceptable materials. The first container 412 generally has a body portion 420 and a neck 422 extending therefrom. The neck 422 of the first container 412 surrounds an opening 424 leading to an internal cavity 426 that houses the contents, such as a medicament or drug, in the first container 412. In one embodiment the neck 422 of the first container 412 also has an outwardly extending annular portion 436 adjacent the opening 424 of the first container 412.
A stopper 428 is provided in the opening 424 of the first container 412. Stopper 428 is operable to seal first container 412. The stopper 428 closes the opening 424 and prevents the contents in the internal cavity 426 from escaping out of the cavity 426 of the first container 412. The stopper 428 also prevents external components from unintentionally entering the cavity 426 of the first container 412. The stopper 428 has a body portion 430 that is configured to be positioned within the neck 422 of the first container 412, and a top surface 432 that is outwardly facing from the neck 422 of the first container 412 when the stopper 428 is in the position shown in
Referring to the exploded view and the cross-sectional view of the first container 412 as shown in
As shown in
The body cap 416 also has a first mating member that engages a second mating member of the port housing assembly 418. In a preferred embodiment the first mating member of the body cap 416, and thus first container 412, comprises first and second annular flanges 450, 451 that extend radially outward from a distal portion of the sidewall 442 of the body cap 416, as shown in
As explained above, the top cap 464 of the body cap 416 is removable. As shown in
Referring to
Seal ring 439 is configured to engage the neck area 422 of the first container 412. As shown in
Referring to
The activation collar 438 also has a plurality of splines 481 extending from the sidewall 477 thereof. In one embodiment the splines 481 extend from an exterior surface of the sidewall 477 of the activation collar 438. In one embodiment, the activation collar 438 has 36 splines 481. According, in that embodiment the splines 481 are spaced every 10°. However, it will be appreciated that the number of splines 481 can be varied. The splines 481 of the activation collar 438 engage a mating protrusions 519 on the port assembly 418 (see
As shown in
Referring now to
The reconstitution system 410 also has an activation marker 487. In one embodiment the activation marker 487 is a colored band 487 on the label 480 joining the body cap 416 to the hanger cap 476. As explained herein, the activation marker 487 is visible when the first container 412 is docked to the second container 414 (see
Referring now to
As shown in
As best shown in
The first housing portion 492 of the port housing 482 has an interior surface 504 defining a first cavity 506, and housing portion 502 has an interior wall 512 defining another cavity or interior bore 514 of the port housing 482. The port housing 482 has an annular recess 513 provided adjacent the exit to the bore 514 at the distal end 515 of housing portion 502. In the embodiment depicted in
The plug 489 of the port assembly 418 is positioned in the bore 514 of the port housing 482. The plug 489 has a seal member 491 positioned within or at the end of housing portion 502 to prevent fluid from escaping into or out of the second container 414 through the inner bore 514 of port housing 482. The plug 489 fluidly separates the interior cavity 415 of the second container 414 from the interior bore 514 of the port housing 482.
The port housing 482 also has an interior seal wall 576 extending axially into the first cavity 506 of the first housing portion 492 from the shoulder 499 at the second end portion 496 of the first housing portion 492. In one embodiment the interior seal wall 576 is generally cylindrically shaped, and is concentrically positioned with respect to the interior surface 504 of the first housing portion 492 of the port housing 482. In a second embodiment, the interior seal wall 576 is slightly tapered. The interior seal wall 576 extends downwardly and contacts or engages the first flange 455 extending radially outwardly from the sidewall 453 at an upper first end 457 of the seal ring 439 during activation of the first container 412. The engagement of the interior seal wall 576 with the first flange 455 of the seal ring 439 during activation of the first container 412 operates as a seal. As explained herein, when the first container 412 is transitioned axially toward the second container 414 during the activation step, the first flange 455 of the seal ring 439 will slide on the interior seal wall 576, as shown in
As explained above, the port assembly 418 has an actuator 484. In one embodiment, the actuator 484 is integral with the port housing 482. As shown in
As explained above, the plug 489 of the port assembly 418 is positioned within the bore 514 defined by the interior wall 512 of housing portion 502. The plug 489 has an end wall 497 with an annular seal member 491 at the distal end 493 thereof The seal member 491 surrounds the circumference of the distal end 493 of the plug 489. An annular rib 495 of the seal member 491 engages the annular recess 513 in the port housing 482 to seal the interior cavity 415 of the second container 414 from the interior bore 514 of the port housing 482. The plug 489 also has a plurality of legs 507 extending axially away from a main body 509 of the plug 489. In a preferred embodiment, the plug 489 has three legs 507 as shown in
As best shown in
As shown in FIGS. 3 and 9-12, and explained above, the retainer 486 has a plurality of tabs 520, 522. In one embodiment, a first set of tabs 520 are shorter in height than a second set of tabs 522. In this embodiment, the first set of tabs 520 is utilized to support the first container 412 in the docked position as shown in
Referring to
After the first container 412 is docked in the port housing 482, the system 410 can be activated at any subsequent time. To activate, the first container 412 is initially moved axially inwardly toward the port housing 282, such that the protrusion 479 on the activation collar 438 overcomes the defeatable stop 449 (see
While the activation step has been identified functionally above, it will herein be described structurally. As the first container 412 is pushed axially inwardly on the second vertical track portion 447 and into the first cavity 506 of the port housing 482, the first annular flange 450 will contact the distal end of the second set of tabs 522 and flex the second set of tabs 522 radially outwardly to allow the first annular flange 450 to extend axially inwardly of the second set of tabs 522 (see
In the embodiment of the present invention shown in
In one embodiment of the present invention, in order to mix or reconstitute the contents of the first container 412 with the contents of the second container 414, the first container 412 is docked or connected to the port assembly 418 of the second container 414 as shown in
Referring to
Additionally, during docking the first flange 455 that extends radially outward from the sidewall 453 of the seal ring 439 engages the tapered interior seal wall 576. Due to the engagement of the flange 455 on the tapered interior seal wall 576, a seal is created between the interior seal wall 576 and the first flange 455 of the seal ring 439. As shown in
In the docked state, as shown in
To activate the two-part admixing system 410 the clinician will push the first container 412 axially toward the second container 414. In this step the clinician will have to overcome the defeatable stop 449 by pushing the stop 449 past the protrusion 479 on the inner surface of the activation collar 438 (see
In the final axial activation stage, the seal between the seal member 491 of the plug 489 and the port housing 482 is broken as the plug 489 is forced partially into the cavity of the second container 414. Additionally, the stopper 428 is forced down the opening 424 in the vial 412 and into the inner cavity 426 of the vial 412 as is shown in
The opening of the fluid flow path to the second container 414 is depicted in
As shown in the transition from
As the first container 412 is moved to the fully activated position, the second annular flange 451 of the body cap 416 moves axially up the retainer 486 toward the second container 414 and past the second set of tabs 522. In this position, as shown in
An additional aspect of one embodiment of the two-part admixing system 410 is that a visual indication of activation of the system 410 is provided. As shown in
An additional aspect of one embodiment of the two-part admixing system 410, shown in
In one embodiment, second container 414 is constructed of a non-PVC, DEHP-free material providing a vapor barrier capability that is sufficient so as to permit diluent or drug product to be stored therein without the use of an overwrap. For example, second container 414 can be constructed of the materials utilized by Hospira, Inc., in the manufacture of its VISIV® flex container.
Several alternative embodiments and examples have been described and illustrated herein. A person of ordinary skill in the art will further appreciate that any of the embodiments could be provided in any combination with the other embodiments disclosed herein. Additionally, the terms “first,” “second,” “third,” and “fourth” as used herein are intended for illustrative purposes only and do not limit the embodiments in any way. Further, the term “plurality” as used herein indicates any number greater than one, either disjunctively or conjunctively, as necessary, up to an infinite number. Additionally, the term “having” as used herein in both the disclosure and claims, is utilized in an open-ended manner.
It will be understood that the invention may be embodied in other specific forms without departing from the spirit or central characteristics thereof The present examples and embodiments, therefore, are to be considered in all respects as illustrative and not restrictive, and the invention is not to be limited to the details given herein. Accordingly, while the specific embodiments have been illustrated and described, numerous modifications come to mind without significantly departing from the spirit of the invention and the scope of protection is only limited by the scope of the accompanying claims.
Claims
1. A system for mixing contents in a first container with contents in a second container, comprising:
- a body member constructed to be positioned around a portion of said first container, said body member comprising a first mating member;
- a port housing constructed to be connected to said second container, said port housing comprising an opening at a proximal end thereof providing access to an internal cavity defined by said port housing, said opening constructed to receive a portion of said body member; and
- a second mating member positioned within said internal cavity defined by said port housing, said second mating member constructed to engage said first mating member of said body member to operably connect said first container to said second container in a docked position and allow a transition to an activated position in which fluid communication is established between said first and second containers, wherein said second mating member comprises a plurality of tabs comprising at least one tab of a first length and at least one tab of a second length, wherein said at least one tab of said first length is configured to support said first container in said docked position, and wherein said at least one tab of said second length is configured to support said first container in said activated position,
- wherein, in said docked position, a stopper is positioned within an opening defined by said first container to fluidly seal an internal cavity of said first container, and wherein, in said activated position, said stopper is located in said internal cavity defined by said first container.
2. The system of claim 1, wherein said transition to said activated position comprises axial displacement of said first container relative to said port housing.
3. The system of claim 2, wherein said transition to said activated position further comprises rotation of said first container relative to said port housing.
4. The system of claim 1, wherein said body member comprises a track configured to guide said first container during said transition of said first container from said docked position to said activated position.
5. The system of claim 4, wherein said track comprises at least one vertical portion.
6. The system of claim 5, wherein said track further comprises a horizontal portion.
7. The system of claim 1, wherein said first mating member comprises at least one annular flange.
8. The system of claim 7, wherein said at least one annular flange comprises an interrupted circumferential perimeter.
9. A port assembly to facilitate mixing contents in a first container with contents in a second container, said port assembly comprising:
- an opening at a proximal end thereof providing access to a cavity defined by said port assembly, said opening configured to receive a portion of a first container;
- a distal end for connecting a second container thereto; and
- a mating member positioned within said cavity defined by said port assembly, said mating member configured to secure said first container to said port assembly in two different axial positions: (i) a docked position and (ii) an activated position in which fluid communication is established between said first container and said second container,
- wherein, in said docked position, a stopper is positioned within an opening defined by said first container to fluidly seal an internal cavity of said first container, and wherein, in said activated position, said stopper is located in said internal cavity defined by said first container.
10. The port assembly of claim 9, further comprising an axially fixed actuator configured to open said first container by forcing said stopper sealing said first container into said internal cavity of said first container.
11. A system for mixing contents in a first container with contents in a second container, comprising:
- a first container comprising a first mating member;
- a port assembly constructed to be connected to said second container, said port assembly comprising an opening at a proximal end thereof providing access to an internal cavity defined by said port assembly; and
- a second mating member positioned within said internal cavity defined by said port assembly, said second mating member constructed to engage said first mating member of said first container to secure said first container to said second container in a docked position and in an activated position in which fluid communication is established between said first and second containers,
- wherein said second mating member comprises a plurality of tabs extending axially toward said second container and comprising at least one tab of a first length and at least one tab of a second length, wherein said at least one tab of said first length is configured to support said first container in said docked position, and wherein said at least one tab of said second length is configured to support said first container in said activated position; wherein, in said docked position, a stopper is positioned within an opening defined by said first container to fluidly seal an internal cavity of said first container, and wherein, in said activated position, said stopper is located in said internal cavity defined by said first container.
12. The system of claim 11, wherein said first mating member comprises an annular flange.
13. The system of claim 12, wherein said annular flange comprises an interrupted circumferential perimeter.
14. The system of claim 11, wherein said first container comprises a body member positioned around at least a portion of said first container, said body member comprising said first mating member.
15. A system for mixing contents in a first container with contents in a second container, comprising:
- a first container comprising a first mating member;
- a second container;
- a port assembly connected to said second container, said port assembly comprising an opening at a proximal end thereof providing access to an internal cavity defined by said port assembly, said opening constructed to receive a portion of said first container; and
- a second mating member positioned within said internal cavity defined by said port assembly, said second mating member constructed to engage said first mating member of said first container to secure said first container to said second container in two different axial positions: (i) a docked position and (ii) an activated position in which fluid communication is established between said first and second containers,
- wherein, in said docked position, a stopper is positioned within an opening defined by said first container to fluidly seal an internal cavity of said first container, and wherein, in said activated position, said stopper is located in said internal cavity defined by said first container.
16. The system of claim 15, wherein said first mating member comprises an annular flange.
17. The system of claim 16, wherein said annular flange comprises an interrupted circumferential perimeter.
18. The system of claim 15, wherein said first container comprises a body member positioned around at least portion of said first container, said body member comprising said first mating member.
19. The system of claim 15, wherein said second mating member comprises a plurality of tabs comprising at least one tab of a first length and at least one tab of a second length, wherein said at least one tab of said first length is configured to support said first container in said docked position, and wherein said at least one tab of said second length is configured to support said first container in said activated position.
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Type: Grant
Filed: Jul 31, 2008
Date of Patent: Apr 8, 2014
Patent Publication Number: 20090036861
Assignee: Hospira, Inc. (Lake Forest, IL)
Inventors: Yei F. Moy (Buffalo Grove, IL), Stanley F. Pytel (Third Lake, IL), John S. Ziegler (Arlington Heights, IL), Jesse C. Darley (Madison, WI), Douglas S. Rodenkirch (Sun Prairie, WI)
Primary Examiner: Philip R Wiest
Application Number: 12/183,585
International Classification: A61B 19/00 (20060101); A61M 5/32 (20060101);