Membrane shell of an implantable dosage system
First Claim
1. A membrane shell of an implantable dosage system incorporating an active agent, comprising:
- a first half anda second half, wherein both the first and second halves comprise an inner surface and an outer surface,wherein the first and second halves are adapted to be connected to each other through a closable joint comprising a closure edge of the first half as continuous on the inner surface of the first half essentially at a perimeter of the first half and a closure edge of the second half as continuous on the inner surface of the second half essentially at a perimeter of the second half, and the closure edges of the first and second halves comprise at least one groove and/or at least one protrusion as continuous or discontinuous,wherein the membrane shell is adapted to be closed so that at least one protrusion and/or at least one groove of the second half becomes opposed to at least one groove and/or at least one protrusion of the first half through a snap-fit joint,wherein the active agent is released through the membrane shell when implanted in a patient, andwherein the membrane shell is fabricated solely from a molded composition comprising modified PDMS (polydimethyl siloxane) either alone or in combination with PDMS so as to influence the release of the active agent.
2 Assignments
0 Petitions
Accused Products
Abstract
The membrane shell of an implantable dosage system according to the invention is particularly suitable for subcutaneous applications to release an active agent with steady amounts during a longer period of time. The membrane shell (3) according to the invention comprises a first half (1) and a second half (2), which both halves comprise a continuous closure edge (8, 9), and are adapted to be connected to each other through a closable joint. The closure edges (8, 9) of the halves comprise at least one groove (10) and/or at least one protrusion (11) as continuous or discontinuous, and the membrane shell (3) is adapted to be closed so that at least one protrusion (11) and/or at least one groove (10) of the second half becomes opposed to at least one groove (10) and/or at least one protrusion (11) of the first half through a snap-fit joint.
-
Citations
16 Claims
-
1. A membrane shell of an implantable dosage system incorporating an active agent, comprising:
-
a first half and a second half, wherein both the first and second halves comprise an inner surface and an outer surface, wherein the first and second halves are adapted to be connected to each other through a closable joint comprising a closure edge of the first half as continuous on the inner surface of the first half essentially at a perimeter of the first half and a closure edge of the second half as continuous on the inner surface of the second half essentially at a perimeter of the second half, and the closure edges of the first and second halves comprise at least one groove and/or at least one protrusion as continuous or discontinuous, wherein the membrane shell is adapted to be closed so that at least one protrusion and/or at least one groove of the second half becomes opposed to at least one groove and/or at least one protrusion of the first half through a snap-fit joint, wherein the active agent is released through the membrane shell when implanted in a patient, and wherein the membrane shell is fabricated solely from a molded composition comprising modified PDMS (polydimethyl siloxane) either alone or in combination with PDMS so as to influence the release of the active agent. - View Dependent Claims (2, 3, 4, 8, 9, 10)
-
-
5. The membrane shell according to 1 or 2, wherein the membrane shell comprises a cavity pit on the inner surface of the first half and/or of the second half, essentially in the middle of the membrane shell so that the cavity pits of the first half and of the second half are adapted to become opposed upon closing the membrane shell.
- 6. The membrane shell according to 1 or 2, wherein the membrane shell comprises two or more cavity pits on the inner surfaces of the first half and/or the second half.
-
11. A membrane shell of an implantable dosage system incorporating an active agent, comprising:
-
a first half and a second half, wherein both the first and second halves comprise an inner surface and an outer surface, wherein the first and second halves are adapted to be connected to each other through a closable joint comprising a closure edge of the first half as continuous on the inner surface of the first half essentially at a perimeter of the first half and a closure edge of the second half as continuous on the inner surface of the second half essentially at a perimeter of the second half, and the closure edges of the first and second halves comprise at least one groove and/or at least one protrusion as continuous or discontinuous, wherein the membrane shell is adapted to be closed so that at least one protrusion and/or at least one groove of the second half becomes opposed to at least one groove and/or at least one protrusion of the first half through a snap-fit joint, wherein the active agent is released through the membrane shell when implanted in a patient, and wherein the membrane shell is fabricated from modified PDMS (polydimethyl siloxane) either alone or in combination with PDMS so as to influence the release of the active agent. - View Dependent Claims (12, 13, 14)
-
-
15. An implant comprising:
-
a membrane shell, comprising a first half and a second half, wherein both the first and second halves comprise an inner surface and an outer surface, wherein the first and second halves are adapted to be connected to each other through a closable joint comprising a closure edge of the first half as continuous on the inner surface of the first half essentially at a perimeter of the first half and a closure edge of the second half as continuous on the inner surface of the second half essentially at a perimeter of the second half, and the closure edges of the first and second halves comprise at least one groove and/or at least one protrusion as continuous or discontinuous, wherein the membrane shell is adapted to be closed so that at least one protrusion and/or at least one groove of the second half becomes opposed to at least one groove and/or at least one protrusion of the first half through a snap-fit joint, wherein the membrane shell is fabricated solely from a molded composition comprising modified PDMS (polydimethyl siloxane) either alone or in combination with PDMS so as to influence the release of the active agent; and at least one core containing an active ingredient, which core is incorporated into at least one cavity inside the membrane shell, wherein the active ingredient is released through the membrane shell when the implant is implanted in a patient. - View Dependent Claims (16)
-
Specification