Reservoir pressure equalization systems and methods

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United States of America Patent

PATENT NO 8764723
SERIAL NO

13733808

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Abstract

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Various embodiments of the present invention are directed to equalizing pressure in a reservoir containing fluidic media, possibly due to imperfect installation of the reservoir or an external influence such as an altitude or a temperature change. In various embodiments, fluidic media may be expelled from the reservoir through a needle and contained in an interior volume of a pierceable member before the needle pierces the pierceable member to establish a flow path to a user. In other embodiments, fluidic media may be expelled through a port of the reservoir into a chamber. In further embodiments, fluidic media may be expelled through a channel in a plunger head and out a passage in the reservoir when the channel and passage are aligned. In other embodiments, fluidic media may be expelled through a valve, and the valve may be pierceable by a needle to establish a flow path to the user.

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Patent Owner(s)

  • MEDTRONIC MINIMED, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chong, Colin A Burbank, US 54 5490
Kavazov, Julian D Arcadia, US 60 5825
Lorenzen, Eric M Granada Hills, US 50 2132

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