Medtronic Minimed, Inc.

Truong Gia Luan

Rafael Bikovsky

Colin A Chong

Arsen Ibranyan

Eric M Lorenzen

Julian D Kavazov

Ian B Hanson

Sheldon B Moberg

Christopher G Griffin

Thomas P Miller

Mike Teang Lee

Paul F Bente, Iv

R Paul Mounce

Paul H Kovelman

Neil Quitoviera

Benjamin X Shen

David Hezzell

Philip J Hudak

Paul F Bente

Thomas Miller

Paul F Iv Bente

A reservoir may be filled with fluidic media in a first type of environment, a plunger head may be placed within the reservoir in the first type of environment, and a casing that may be configured to envelop at least a portion of a plunger arm operatively connected to the plunger head may be attached adjacent to at least a portion of the reservoir in a second type of environment. A reservoir may be provided having a first and second portion for respectively containing fluidic media, the second portion may be adapted to be removable, the reservoir may be selectively filled with a first volume or a second volume of fluidic media, a seal member may be placed in the reservoir, and the second portion may be removed in a case where the reservoir contains the first volume of fluidic media.

Reservoir filling systems and methods

A plunger head moveable in an axial direction within a reservoir having an interior volume for containing fluidic media may have a first portion in contact with fluidic media when fluidic media is in the interior volume of the reservoir, the first portion comprising a first material compatible with fluidic media in the interior volume of the reservoir, a second portion located on an opposite side of the plunger head from the interior volume of the reservoir, the second portion connectable to a plunger arm, and a third portion located between the first portion and the second portion of the plunger head, at least one of the first portion, second portion, and the third portion is made of a material that comprises one of a cyclic olefin copolymer and a cyclic olefin polymer.

Reservoir plunger head systems and methods

A reservoir and a plunger head contained within may be configured to move relative to each other in response to at least one of the reservoir being detached from a base, the base and/or the reservoir being removed from a packaging, and the base and/or the reservoir being moved relative to each other. A first layer may be configured to define a reservoir, the first layer, which may be made of a material compatible with fluidic media in the reservoir, may be adjacent a second layer for inhibiting a diffusion through the second layer. A first layer that may be less than 0.3 mm and made of a cyclic olefin copolymer may be configured to define a reservoir. A reservoir may be defined by a wall made of a cyclic olefin copolymer and the wall may be for substantially preventing light from passing through the reservoir.

Reservoir barrier layer systems and methods

A system includes a durable portion with a durable housing and a separable disposable portion with a disposable housing that selectively engage with and disengage from each other. The disposable housing secures to a patient and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient or with an infusion medium may be part of the disposable portion to allow for disposal after a prescribed use. A reservoir for holding the infusion medium may be part of the disposable portion, and may be supported by the disposable housing. The durable portion may include other components such as electronics for controlling delivery of the infusion medium from the reservoir, and a drive device including a motor and drive linkage.

Systems and methods allowing for reservoir filling and infusion medium delivery

A reservoir includes a reservoir body portion and a collecting portion. The reservoir body portion having a wall defining an interior volume for containing fluidic media, the reservoir having a first port in the reservoir body portion to be in fluid flow communication with the interior volume, the first port for expelling fluidic media from the interior volume as a plunger is moved within the reservoir. The collecting portion having a wall defining a volume in fluid flow communication with the interior volume, the volume of the collecting portion for collecting gas bubbles in the fluidic media as the fluidic media is expelled through the first port from the interior volume of the reservoir body portion, the reservoir having a second port in the collecting portion to be in fluid flow communication with the volume of the collecting portion, the second port for receiving fluidic media into the reservoir.

Reservoir systems and methods

At least one tab may extend through at least one opening in a retaining member configured to cover at least a portion of a head of a reservoir body and a portion of a septum supported by the head of the reservoir body. A retaining member may be configured to cover at least a portion of a first head of a reservoir body and a portion of a septum supported by the first head of the reservoir body, and the reservoir body may have a second head having at least one tab. A retaining member located in a head of a reservoir body may be for retaining a septum on the head of the reservoir body, and the head of the reservoir body may have at least one tab.

Reservoir seal retainer systems and methods

Various embodiments of the present invention are directed to limiting a presence of air bubbles in a fluidic medium expelled from a reservoir. In various embodiments, a reservoir is shaped so as to limit a presence of air bubbles in a fluidic medium expelled from the reservoir. Also, in various embodiments, a plunger head within a reservoir is shaped so as to limit a presence of air bubbles in a fluidic medium expelled from the reservoir. In some embodiments, both a reservoir and a plunger head within the reservoir are shaped so as to limit a presence of air bubbles in a fluidic medium expelled from the reservoir.

Systems and methods allowing for reservoir air bubble management

A method of making a system for transferring fluidic media may include placing a reservoir body in an aseptic environment; filling an interior volume of the reservoir body with fluidic media; placing a plunger head into the reservoir body, the plunger head adapted to be movable in an axial direction within the reservoir body; removing the reservoir body from the aseptic environment; and attaching a casing adjacent to at least a portion of the reservoir body with the reservoir body outside the aseptic environment, the casing configured to envelope at least a portion of a plunger arm operatively connected to the plunger head, the casing further configured to allow the plunger arm to move in the axial direction relative to the reservoir body and at least partially within the reservoir body.

A system for delivering fluidic media may include a reservoir disposed within a housing, the reservoir having at least one wall bordering an interior volume for containing fluidic media, the wall being made of a material comprising a cyclic olefin copolymer, the wall for substantially preventing light from passing through the material of the wall. Fluidic media contained in the interior volume may be expelled through a fluid conduit.

Various embodiments of the present invention are directed to limiting a presence of air bubbles in fluidic media in a reservoir. Air passages may allow air to escape from fluidic media in a reservoir. Membranes may allow for trapping air bubbles in fluidic media before fluidic media enters a reservoir. A membrane may allow air to flow from a first reservoir containing fluidic media to a second reservoir while plunger heads within each of the reservoirs are moved within the reservoirs. An inner reservoir with a membrane may be moveable within an outer reservoir to allow air to move from the outer reservoir to the inner reservoir. An inner reservoir containing pressurized gas may allow fluidic media to be transferred to an outer reservoir.

Various embodiments of the present invention are directed to limiting a presence of air bubbles in a fluidic medium expelled from a reservoir. In various embodiments, a plunger head within a reservoir is shaped so as to limit a presence of air bubbles in a fluidic medium expelled from the reservoir. Also, in various embodiments, a reservoir is shaped so as to limit a presence of air bubbles in a fluidic medium expelled from the reservoir. In some embodiments, both a reservoir and a plunger head within the reservoir are shaped so as to limit a presence of air bubbles in a fluidic medium expelled from the reservoir.

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Winnetka, CA, United States of America

Truong Gia Luan