Fluid-connection mechanism for patch-pumps
First Claim
1. A selectively activatable patch-pump assembly comprising:
- a sealed prefilled drug-reservoir containing a drug to be delivered;
a fluid-passageway in connection therewith, wherein the fluid-passageway is free of the drug;
a selectively activatable penetrator which penetrates said sealed prefilled drug-reservoir and facilitates drug access to said fluid-passageway; and
a selectively activatable, associated, cannula-containing assembly for delivering a drug subcutaneously to a subject, in fluid connection with said fluid-passageway;
a first spring-based mechanism, wherein a selective activation-step initiates penetration of said sealed prefilled drug-reservoir;
a structure preventing the inadvertent activation of said selectively activatable patch-pump assembly, the structure configured such that;
removing or releasing the structure from said selectively activatable patch-pump assembly is the selective activation-step, and removing or releasing the structure from said selectively activatable patch-pump assembly automatically causes the first spring-based mechanism to propel said selectively activatable penetrator through said fluid-passageway to penetrate said sealed prefilled drug-reservoir, establishing fluid communication between said sealed prefilled drug-reservoir and said fluid-passageway;
wherein said sealed prefilled drug-reservoir is stationary relative to a central longitudinal axis defined by the cannula-containing assembly during initiation of penetration and during penetration of the sealed prefilled drug-reservoir by the selectively activatable penetrator.
3 Assignments
0 Petitions
Accused Products
Abstract
The present invention provides a selectively activatable patch-pump assembly, said patch-pump assembly comprising: • a sealed prefilled drug-reservoir containing a drug to be delivered; • an associated conduit in connection therewith; • a selectively activatable penetrator which penetrates said sealed prefilled drug-reservoir and facilitates drug access to said conduit; and • a selectively activatable, associated, cannula-containing assembly for delivering a drug subcutaneously to a subject, in fluid connection with said conduit; wherein a selective activation-step initiates penetration of said sealed prefilled drug-reservoir, drug access from said drug-reservoir to said conduit, drug access from said conduit to said cannula-containing assembly and delivery from said cannula-containing assembly, thereby being a selectively activatable patch-pump assembly.
89 Citations
16 Claims
-
1. A selectively activatable patch-pump assembly comprising:
- a sealed prefilled drug-reservoir containing a drug to be delivered;
a fluid-passageway in connection therewith, wherein the fluid-passageway is free of the drug;
a selectively activatable penetrator which penetrates said sealed prefilled drug-reservoir and facilitates drug access to said fluid-passageway; and
a selectively activatable, associated, cannula-containing assembly for delivering a drug subcutaneously to a subject, in fluid connection with said fluid-passageway;
a first spring-based mechanism, wherein a selective activation-step initiates penetration of said sealed prefilled drug-reservoir;
a structure preventing the inadvertent activation of said selectively activatable patch-pump assembly, the structure configured such that;
removing or releasing the structure from said selectively activatable patch-pump assembly is the selective activation-step, and removing or releasing the structure from said selectively activatable patch-pump assembly automatically causes the first spring-based mechanism to propel said selectively activatable penetrator through said fluid-passageway to penetrate said sealed prefilled drug-reservoir, establishing fluid communication between said sealed prefilled drug-reservoir and said fluid-passageway;
wherein said sealed prefilled drug-reservoir is stationary relative to a central longitudinal axis defined by the cannula-containing assembly during initiation of penetration and during penetration of the sealed prefilled drug-reservoir by the selectively activatable penetrator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a sealed prefilled drug-reservoir containing a drug to be delivered;
-
10. A patch-pump assembly, the patch-pump assembly comprising:
- a prefilled drug-reservoir containing a drug to be delivered, the prefilled drug-reservoir comprising a seal;
a fluid-passageway contacting the seal of the prefilled drug-reservoir, wherein the fluid-passageway is free of the drug;
a penetrator configured to establish fluid communication between the prefilled drug-reservoir and the fluid-passageway;
a pin configured to prevent the penetrator from penetrating the prefilled drug-reservoir;
a cannula-containing assembly configured to deliver the drug subcutaneously to a subject; and
a spring-based mechanism configured to enable fluid communication between the fluid-passageway and the cannula-containing assembly, wherein a portion of the pin is internal to the patch-pump assembly, and the pin is configured for removal or release from the patch-pump assembly, thereby automatically causing emergence of the penetrator into the fluid-passageway to penetrate said seal to provide fluid communication between the prefilled drug reservoir and the fluid-passageway. - View Dependent Claims (11, 12, 13, 14, 15, 16)
- a prefilled drug-reservoir containing a drug to be delivered, the prefilled drug-reservoir comprising a seal;
Specification