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Details for Patent: 9,320,853

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Details for Patent: 9,320,853

Title:Method for administering a fluid active substance from a multi-chamber ampoule
Abstract: An administering device for administering an active substance from a multi-chamber container comprising a first chamber holding a solid active substance and a second chamber holding a dissolving liquid for the active substance, wherein the administering device comprises a mixing device for mixing the active substance with the dissolving liquid and a housing accommodating the mixing device, the container being moveable relative to the housing, and the administering device further comprising a first indicator for indicating a position of the container relative to the housing upon completion of a mixing step, and a second indicator for indicating a position of the container relative to the housing upon completion of a venting step.
Inventor(s): Galbraith; Sofia (Solothurn, CH), Moser; Ulrich (Heimiswil, CH), Hirschel; Juerg (Aarau, CH), Thompson; Ian (Burgdorf, CH)
Assignee: TecPharma Licensing AG (Burgdorf, CH)
Filing Date:Apr 15, 2013
Application Number:13/862,871
Claims:1. An administering device for administering an agent from a multi-chamber carpule with at least a first chamber containing a solid agent and a second chamber containing a dissolving liquid for the agent, the administering device having a proximal end and a distal end and comprising a housing and a mixing mechanism for mixing the agent and dissolving liquid, wherein the mixing mechanism comprises a holder element for accommodating the carpule, the holder element rotatably moveable relative to the housing for being inserted into the housing and for mixing the agent and dissolving liquid, the multi-chamber carpule fixed relative to the holder element during mixing, the administering device further comprising a display system comprising at least a first visual display for indicating a position of the multi-chamber carpule relative to the housing when a mixing operation has ended, at least a second visual display for indicating a position of the carpule relative to the housing when a priming operation has ended, and a catch mechanism for forming a releaseable catch position between the holder element and the housing which permits rotating the holder element to move the holder element in the proximal direction relative to the housing and non-releasable catch positions between the holder element and the housing which prevent the holder element from moving in the proximal direction relative to the housing, wherein the first visual display and second visual display are at least one of disposed axially offset along a longitudinal axis of the administering device and offset in the circumferential direction on a circumference of the administering device.

2. The administering device as claimed in claim 1, wherein the display system comprises a third visual display for indicating an initial position of the carpule relative to the housing prior to a mixing operation.

3. The administering device as claimed in claim 1, wherein the display system comprises said first visual display and second visual display and at least one of an acoustic signal and a combination of a visual marking and acoustic signal.

4. The administering device as claimed in claim 1, further comprising one of a pointer or cut-out associated with one of the holder element and housing, by which one of the first visual display and second visual display can be displayed, the other of the holder element and housing comprising the display system.

5. The administering device as claimed in claim 1, wherein an insertion movement of the holder element is a rotating movement and in the releasable catch position the catch mechanism acts as a releasable anti-rotation lock to allow the rotating movement of the insertion movement or a rotating movement opposite to the rotating movement of the insertion movement.

6. An administering device for administering an agent from a multi-chamber carpule with at least a first chamber containing a solid agent and a second chamber containing a dissolving liquid for the agent, the administering device having a proximal end and a distal end and comprising: a housing; a mixing mechanism for mixing the agent and dissolving liquid, wherein the mixing mechanism comprises a holder element for accommodating the carpule, the holder element rotatably moveable relative to the housing for being inserted into the housing and for mixing the agent and dissolving liquid, the multi-chamber carpule fixed relative to the holder element during mixing; a display system comprising at least a first visual display for indicating a position of the multi-chamber carpule relative to the housing when a mixing operation has ended, at least a second visual display for indicating a position of the carpule relative to the housing when a priming operation has ended, wherein the first visual display and second visual display are at least one of disposed axially offset along a longitudinal axis of the administering device and offset in the circumferential direction on a circumference of the administering device; and a catch mechanism for forming a releaseable catch position between the holder element and the housing which permits rotating the holder element to move the holder element in the proximal direction relative to the housing and non-releasable catch positions between the holder element and the housing which prevent the holder element from moving in the proximal direction relative to the housing, wherein the catch mechanism is for latching and providing an indication of individual steps involved in preparing the administering device for use, and comprises a first catch groove, a second catch groove or orifice, a third catch groove, and a catch arm on the holder element oriented in the circumferential direction of the holder element and biased radially outwardly so the arm slides along an internal circumferential surface of the housing when the holder element is rotated into the housing, wherein the holder element is rotated into the housing until the catch arm latches in the first catch groove generating an acoustic signal indicating an initial position has been reached, the initial position constituting a lock preventing the holder element from moving in the proximal direction relative to the housing and from which initial position the holder element is rotated farther in until the arm latches in the second catch groove or orifice reaching a mixing position, generating an acoustic signal indicating the end of mixing of the agent and dissolving liquid and constituting a releasable lock wherein by the holder element can be moved in the proximal direction relative to the housing or can be rotated farther into the housing until the catch arm is latched in the third catch groove generating an acoustic signal indicating an priming position has been reached reaching and constituting an anti-rotation lock so that the holder element is locked in the priming position to prevent any further movement relative to the housing.

7. The administering device according to claim 6, wherein in the priming position a portion of the holder element is in contact with a portion of the housing.

8. The administering device according to claim 6, wherein in the mixing position the catch arm can be pushed from outside the device toward the interior of the device out of the second catch groove or orifice so the holder element can be moved in the proximal direction relative to the housing.

9. A method of preparing an administering device to administer an active substance from a multi-chamber container comprising a first chamber holding a solid active substance and a second chamber holding a dissolving liquid for the active substance, wherein the administering device comprises a mixing device for mixing the active substance with the dissolving liquid and a housing accommodating the mixing device, the multi-chamber container being fixed relative to the mixing device and the mixing device and multi-chamber container together being rotatably moveable relative to the housing during mixing, and the administering device further comprising a display system comprising a first visual indicator for indicating a position of the multi-chamber container relative to the housing upon completion of a mixing operation, and a second visual indicator for indicating a position of the multi-chamber container relative to the housing upon completion of a venting operation, wherein the displays are at least one of disposed axially offset along a longitudinal axis of the administering device and offset in the circumferential direction on a circumference of the administering device, the method comprising the steps of: performing a mixing operation; indicating the end of the mixing operation using the first indicator; performing a venting operation; and indicating the end of the venting operation using the second indicator.

10. The method according to claim 9, wherein at least one of said indicating steps further comprises audible indicating.
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