Various embodiments of the present invention are directed to transferring fluidic media from a vial to a reservoir. In various embodiments, fluidic media may be transferred from the vial to the reservoir by moving a housing portion to move a plunger head located in the reservoir to draw fluidic medi
Various embodiments of the present invention are directed to transferring fluidic media from a vial to a reservoir. In various embodiments, fluidic media may be transferred from the vial to the reservoir by moving a housing portion to move a plunger head located in the reservoir to draw fluidic media from the vial to the reservoir. In other embodiments, fluidic media may be transferred from the vial to the reservoir while the reservoir is held by a holding unit and vibrated by a vibrator to remove air from the fluidic media. In some embodiments, fluidic media may be transferred from the vial to the reservoir by moving a handle operatively connected to a bias member for assisting with the transfer of fluidic media. In other embodiments, the transfer of fluidic media may be assisted by a bias member and a needle connecting atmosphere and the vial.
대표청구항▼
1. A system for automated pressure equalization, the system comprising: a transfer guard, the transfer guard comprising:a first needle having a fluid path for transferring fluidic media from an interior volume of a vial to an interior volume of a reservoir;a second needle having a fluid path for com
1. A system for automated pressure equalization, the system comprising: a transfer guard, the transfer guard comprising:a first needle having a fluid path for transferring fluidic media from an interior volume of a vial to an interior volume of a reservoir;a second needle having a fluid path for communicating between atmosphere and the interior volume of the vial; anda bias member connected between an end of the reservoir and a plunger head positioned in the reservoir, the bias member for providing a force behind the plunger head as the plunger head is moved within the reservoir to transfer fluidic media from the interior volume of the vial to the interior volume of the reservoir;the bias member and the transfer guard configured to equalize pressure relative to atmosphere in the interior volume of the vial in a case where the second needle communicates between atmosphere and the interior volume of the vial and the plunger head is moved within the reservoir to transfer fluidic media from the interior volume of the vial to the interior volume of the reservoir. 2. The system according to claim 1, the system further comprising: a membrane located in the fluid path of the second needle, the membrane for substantially preventing addition of water vapor through the second needle to the interior volume of the vial. 3. The system according to claim 2, wherein the membrane comprises one of a hydrophobic membrane and a hydrophilic membrane. 4. The system according to claim 1, the system further comprising: a filter located in the fluid path of the first needle, the filter for degassing fluidic media transferred from the interior volume of the vial to the interior volume of the reservoir. 5. The system according to claim 4, wherein the filter comprises one of a hydrophobic filter and a hydrophilic filter. 6. The system according to claim 1, wherein the bias member comprises a spring. 7. The system according to claim 1, wherein the transfer guard comprises a body having a first end connectable to the vial and a second end connectable to the end of the reservoir, the transfer guard body holding the first needle in a position in which a first end of the first needle extends at least partially into the interior volume of the vial while a second end of the first needle extends at least partially into the interior volume of the reservoir in a case where the first end of the transfer guard body is connected to the vial and the second end of the transfer body is connected to the end of the reservoir. 8. The system according to claim 7, wherein the transfer guard body holds the second needle in a position in which a first end of the second needle extends at least partially into the interior volume of the vial while a second end of the second needle extends outside of the vial and the reservoir in a case where the first end of the transfer guard body is connected to the vial and the second end of the transfer body is connected to the end of the reservoir. 9. The system according to claim 1, wherein the transfer guard body holds the second needle in a position in which a first end of the second needle extends at least partially into the interior volume of the vial while a second end of the second needle extends outside of the vial and the reservoir in a case where the first end of the transfer guard body is connected to the vial and the second end of the transfer body is connected to the end of the reservoir. 10. A method for automated pressure equalization, the method comprising: providing a transfer guard, said providing comprising:locating a first needle having a fluid path for transferring fluidic media from an interior volume of a vial to an interior volume of a reservoir;locating a second needle having a fluid path for communicating between atmosphere and the interior volume of the vial;locating a bias member connected between an end of the reservoir and a plunger head positioned in the reservoir, the bias member for providing a retaining force behind the plunger head as the plunger head is moved within the reservoir to transfer fluidic media from the interior volume of the vial to the interior volume of the reservoir; andconfiguring the bias member and the transfer guard to equalize pressure relative to atmosphere in the interior volume of the vial in a case where the second needle communicates between atmosphere and the interior volume of the vial and the plunger head is moved within the reservoir to transfer fluidic media from the interior volume of the vial to the interior volume of the reservoir. 11. The method according to claim 10, further comprising locating a membrane in the fluid path of the second needle, the membrane for substantially preventing addition of water vapor through the second needle to the interior volume of the vial. 12. The method according to claim 11, wherein the membrane comprises one of a hydrophobic membrane and a hydrophilic membrane. 13. The method according to claim 11, further comprising locating a filter in the fluid path of the first needle, the filter for degassing fluidic media transferred from the interior volume of the vial to the interior volume of the reservoir. 14. The method according to claim 13, wherein the filter comprises one of a hydrophobic filter and a hydrophilic filter. 15. The method according to claim 10, wherein the bias member comprises a spring. 16. A system for automated pressure equalization, the system comprising: a transfer guard, the transfer guard comprising:a first needle having a fluid path for transferring fluidic media from an interior volume of a vial to an interior volume of a reservoir;a second needle having a fluid path for communicating between atmosphere and the interior volume of the vial; anda membrane located in the fluid path of the second needle, the membrane for substantially preventing addition of water vapor through the second needle to the interior volume of the vial;a filter located in the fluid path of the first needle, the filter for degassing fluidic media transferred from the interior volume of the vial to the interior volume of the reservoir. 17. A system according to claim 16, further comprising a bias member connected between an end of the reservoir and a plunger head positioned in the reservoir, the bias member for providing a force behind the plunger head as the plunger head is moved within the reservoir to transfer fluidic media from the interior volume of the vial to the interior volume of the reservoir; the bias member and the transfer guard configured to equalize pressure relative to atmosphere in the interior volume of the vial in a case where the second needle communicates between atmosphere and the interior volume of the vial and the plunger head is moved within the reservoir to transfer fluidic media from the interior volume of the vial to the interior volume of the reservoir. 18. The system according to claim 16, wherein the transfer guard comprises a body having a first end connectable to the vial and a second end connectable to the end of the reservoir, the transfer guard body holding the first needle in a position in which a first end of the first needle extends at least partially into the interior volume of the vial while a second end of the first needle extends at least partially into the interior volume of the reservoir in a case where the first end of the transfer guard body is connected to the vial and the second end of the transfer body is connected to the end of the reservoir. 19. The system according to claim 18, wherein the transfer guard body holds the second needle in a position in which a first end of the second needle extends at least partially into the interior volume of the vial while a second end of the second needle extends outside of the vial and the reservoir in a case where the first end of the transfer guard body is connected to the vial and the second end of the transfer body is connected to the end of the reservoir. 20. The system according to claim 16, wherein the transfer guard body holds the second needle in a position in which a first end of the second needle extends at least partially into the interior volume of the vial while a second end of the second needle extends outside of the vial and the reservoir in a case where the first end of the transfer guard body is connected to the vial and the second end of the transfer body is connected to the end of the reservoir.
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