| US 7,470,258 B2 | ||
| Pre-filled safety vial injector | ||
| John M Barker, Ventura, Calif. (US); Thor R. Halseth, Agoura, Calif. (US); Joseph Kovalski, Ventura, Calif. (US); Robert T. McWethy, Ventura, Calif. (US); and Bernardo Challiol, Ventura, Calif. (US) | ||
| Assigned to MDC Investment Holdings, Inc., Wilmington, Del. (US) | ||
| Filed on Mar. 13, 2002, as Appl. No. 10/99,864. | ||
| Claims priority of provisional application 60/275569, filed on Mar. 13, 2001. | ||
| Claims priority of provisional application 60/309867, filed on Aug. 03, 2001. | ||
| Prior Publication US 2002/0177819 A1, Nov. 28, 2002 | ||
| Int. Cl. A61M 5/32 (2006.01) | ||
| U.S. Cl. 604—192 | 51 Claims |
| 1. A medical device for injecting medicinal fluid from a vial having a container and an amount of medicinal fluid, comprising:
a hollow barrel;
a vial holder displaceable within the barrel having a socket configured to receive the vial;
an air-pump chamber within the barrel configured to pump air into the vial;
a needle having a sharpened tip operable between an exposed position in which the sharpened tip projects forwardly from the
barrel and a shielded position in which the sharpened tip is shielded from contact;
a transfer chamber within the barrel for receiving the medicinal fluid from the vial, wherein the transfer chamber is adapted
to be in fluid communication with the needle;
a transfer seal disposed within the barrel between the transfer chamber and the air-pump chamber; and
wherein after use, the needle is disposed in the shielded position.
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