Manifold medication injection apparatus and method

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United States of America Patent

PATENT NO 5505704
SERIAL NO

08458013

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Abstract

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A hand-held dual liquid medication injector have dual, bi-directional dosage metering mechanisms for permitting a variable dosage amount for each cartridge of liquid medication. The medications are mixed within a manifold having a valved mixing chamber and are injected via a single cannula. The mixing chamber is valved such that backflow of mixed or unmixed medications into the cartridges is prevented. An injection mechanism, independent of the metering mechanism, loads and injects the liquid medication. In one embodiment, downward movement of the injection mechanism during injection is translated into horizontal movement by the plunger mechanism. In another embodiment, a power-assisted plunger mechanism accomplishes injection.

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Patent Owner(s)

  • ELI LILLY AND COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Karshmer, David L San Francisco, CA 11 1356
Lada, Christopher O Palo Alto, CA 29 1516
Marsh, Matthew San Francisco, CA 15 957
Pawelka, Gerhard E F Lexington, MA 5 863
Schoenberg, Stephen J Redwood City, CA 10 1745
Stringer, Christopher J San Francisco, CA 1853 91340

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  • 415 Citation Count
  • A61M Class
  • 92.46 % this patent is cited more than
  • 29 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8786356303420126752601 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0510152025303540455055606570758085

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