MEDICAMENT DELIVERY DEVICE WITH NEEDLE ALIGNMENT DETECTION MECHANISM

• US 20150238708A1
• Filed: 09/10/2013
• Published: 08/27/2015
• Est. Priority Date: 09/11/2012
• Status: Active Grant

• Current Assignee: Sanofi-Aventis Deutschland GmbH (Sanofi )
• Original Assignee: Sanofi-Aventis Deutschland GmbH (Sanofi )
• Inventors: Henderson, Charley, Cross, David, Jennings, Douglas Ivan, McGinley, Ryan Anthony
• Granted Patent: US 9,861,766 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61M 2205/6027 Electric-conductive bridges closing detection circuits, with or without identifying elements, e.g. resistances, zener-diodes
• CPC Class Codes: A61M 2205/70 with testing or calibration facilities
• CPC Class Codes: A61M 5/3287 Accessories for bringing the needle into the body; Automatic needle insertion A61M5/20, A61M5/31525 take precedence
• CPC Class Codes: A61M 5/5086 for indicating if defective, used, tampered with or unsterile

Abstract

Described is a medicament delivery device comprising a case, a container slidably disposed in the case between a first position and a second position, a needle coupled to the container, and a needle alignment detection mechanism disposed on the case and adapted to receive the needle. The needle alignment detection mechanism determines whether the needle is aligned with a longitudinal axis (L) when the needle is in the first position, the second position or translating between the first position and the second position.

Claims

1-15. -15. (canceled)

16. A medicament delivery device, comprising:

a case;

a container slidably disposed in the case between a first position and a second position;

a needle coupled to the container; and

a needle alignment detection mechanism disposed on the case and adapted to receive the needle,

wherein the needle alignment detection mechanism determines whether the needle is aligned with a longitudinal axis when the needle is in the first position, the second position or translating between the first position and the second position.

17. The medicament delivery device according to claim 16, wherein the container is a syringe or a cartridge.

18. The medicament delivery device according to claim 16, wherein the needle is integrally formed with the container or removably coupled to the container.

19. The medicament delivery device according to claim 16, wherein the needle alignment detection mechanism includes at least one hinged door disposed along a transverse axis, wherein the door has a non-deflected position aligned with the transverse axis and a deflected position at an angle to the transverse axis.

20. The medicament delivery device according to claim 19, wherein the at least one door is biased in the non-deflected position.

21. The medicament delivery device according to claim 19, wherein the at least one door includes a first door and a second door, and wherein the first door includes a first cut-out and the second door includes a second cut-out, wherein when the doors are in the non-deflected positions, the cut-outs form a hole.

22. The medicament delivery device according to claim 21, wherein the hole has a cross-section at least as large as a diameter of the needle.

23. The medicament delivery device according to claim 22, wherein the cross-section includes a buffer space.

24. The medicament delivery device according to claim 19, further comprising:

an interlock mechanism adapted to control a component in the delivery device,

wherein transition of at least one of the doors to the deflected position causes activation of the interlock mechanism.

26. The medicament delivery device according to claim 16, wherein the needle alignment detection mechanism includes an electrode coupled to the needle and a conductive transverse element having a hole adapted to receive the needle, wherein impingement of the needle on the transverse element creates a circuit.

27. The medicament delivery device according to claim 16, wherein the needle alignment detection mechanism includes an electrode adjacent to the needle and a conductive transverse element having a hole adapted to receive the needle, wherein impingement of the needle on the transverse element results in a measured impedance change.

28. The medicament delivery device according to claim 16, wherein the needle alignment detection mechanism includes two light sources disposed perpendicularly on a transverse element and two optical sensors each adapted to receive a respective optical signal from a given one of the light sources.

29. The medicament delivery device according to claim 28, wherein impingement of the needle on a center point of an intersection of light beams from the light sources generates a changed optical signal.

30. The medicament delivery device according to claim 28, wherein impingement of the needle on an intersection of light beams from the light sources other than a center point of the intersection generates a changed optical signal.