Abstract: 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.

Abstract: 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.

Abstract: A housing may have a needle, plunger, and bias mechanism supported within the housing by a tab configured to retain the plunger in position and to allow the plunger to move under bias force imparted by the bias mechanism to move the needle to an insert position when the tab is removed. A base and a structure may be configured for relative movement there between and may be adapted to be secured to a user with a cannula extending through a body of the structure into the user during use of a medical device. A housing may be adapted to be secured to a user to support a medical device operable with an insertion needle, the housing having a magnifying material for increasing visibility of an injection site.

Abstract: 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.

Abstract: 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.

Abstract: An insertion device may include a base adapted to be carried by a patient, and a housing attached to the base, the housing having a fluid connector arranged for movement relative to the base. A pair of interactive elements including a first interactive element may be supported on the base and a second interactive element supported on the housing at a location to be interactable with the first interactive element when the fluid connector is moved to a predetermined position. Circuitry may be configured to detect an interaction between the first interactive element and the second interactive element when the fluid connector is in the predetermined position, the circuitry configured to provide a signal or a change in state in response to detecting the interaction between the first interactive element and the second interactive element.

Abstract: 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.

Abstract: Various embodiments of the present invention are directed to patches for medical devices. In various embodiments, an adhesive patch of a medical device may have selective areas with adhesive material of varying adhesion strengths. In other embodiments, an adhesive patch of a medical device may include adhesive material that may be activated by a catalyst to increase or decrease the adhesion strength of the adhesive material. In further embodiments, a medical device may include a pierceable membrane containing an agent, the pierceable membrane positioned to be pierced by a needle and to cause some of the agent to be carried to the user-patient.

Abstract: A modular catheter system. The modular catheter system may include a first tubular member, a first catheter tubing, a second tubular member, a second catheter tubing and a plurality of concentric seals. The first catheter tubing may be disposed within an interior portion of the first tubular member while the second catheter tubing may be disposed within an interior portion of the second tubular member. The first tubular member and the second tubular member are removably attachable to each other. The plurality of concentric seals may encircling the first catheter tubing and the second catheter tubing, and the first catheter tubing and the second catheter tubing form a continuous path when the first tubular member and the second tubular member are removably attached to each other. The catheter system may also be formed as a dual lumen catheter.

Abstract: 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.

Abstract: 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.

Abstract: An insertion device may include a device housing configured to be operatively engaged with and disengaged from a base, and engageable with an actuation device, the device housing having a carrier body supporting a piercing member. The carrier body moveable by a carrier body of the actuation device at least between a retracted position and an advanced position. The device housing having a section for supporting a portion of the carrier body of the device housing, the section moveable relative to the carrier body of the device housing to provide sufficient clearance to allow the carrier body of the device housing to be moved by the carrier body of the actuation device.

Abstract: A system for retaining a fluid delivery device, the fluid delivery device may include a reservoir and a plunger arm operatively connected to a plunger head arranged for movement within the reservoir, the plunger arm having an arm portion operatively engageable with a drive member configured to move the plunger arm and the plunger head when the plunger arm and the plunger head are connected to the drive member. The system may include a rigid member arranged for movement and a bias member configured to urge the rigid member toward the plunger arm to force the plunger arm against the drive member to operatively engage the plunger arm to the drive member.

Abstract: A connecting structure for connecting a first member in fluid flow connection with a second member may include a receptacle structure provided on the first member and having an interior chamber and an opening into the interior chamber in which a needle and a pierceable member surrounding a piercing end of the needle may be supported. The second member may include a connection portion that has a septum supported in an interior chamber having a size and shape suitable to be received at least partially into the opening of the receptacle structure upon moving the first member and the second member together to push the pierceable member toward the piercing end of the needle to cause the piercing end of the needle to pierce the pierceable member and the septum to come into fluid flow communication with the interior chamber of the connection portion.

Abstract: A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient-user and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient-user or with infusion medium are supported by the disposable housing portion, while the durable housing portion supports other components such as electronics and a drive device. A reservoir is supported by the disposable housing portion and has a moveable plunger that operatively couples to the drive device, when the disposable and durable housing portions are engaged.

Abstract: A piercing member for piercing a membrane may be arranged within a housing and supported by a compliant that may be for allowing articulation of the piercing member relative to the housing in a case where the piercing member is in the membrane and moved relative to the housing.

Abstract: A first device housing may be configured to be operatively engaged with and disengaged from a base carried by a user and may include a first carrier body arranged for movement at least between a refracted position and an advanced position. The first carrier body may support a piercing member for insertion through skin of the patient. A second device housing may be configured to be operatively engaged with and disengaged from the first device housing and may include a second carrier body operatively connectable with the first carrier body and arranged for movement at least between a retracted position and an advanced position. A driver in the second device housing may be arranged to move the first carrier body toward the advanced position to insert at least a portion of the piercing member through skin of the patient.

Abstract: A modular catheter system. The modular catheter system may include a first tubular member, a first catheter tubing, a second tubular member, a second catheter tubing and a plurality of concentric seals. The first catheter tubing may be disposed within an interior portion of the first tubular member while the second catheter tubing may be disposed within an interior portion of the second tubular member. The first tubular member and the second tubular member are removably attachable to each other. The plurality of concentric seals may encircling the first catheter tubing and the second catheter tubing, and the first catheter tubing and the second catheter tubing form a continuous path when the first tubular member and the second tubular member are removably attached to each other. The catheter system may also be formed as a dual lumen catheter.

Abstract: A transfer guard may provide a fluid path from a vial to a reservoir containing a plunger head connected to a plunger arm operatively engagable with a handle that at least partially covers a casing configured to allow the handle to operatively engage the plunger arm to move the plunger head to transfer fluidic media from the vial to the reservoir. A support structure may have a chamber, a first adapter for mating with a vial containing fluidic media, and a second adapter for mating with a reservoir containing a plunger head moveable within the reservoir. A first needle may provide a fluid path from the vial to the reservoir and a second needle may connect the vial and the chamber containing an air flow control mechanism for allowing air to flow in one direction.

Abstract: A catheter for use in delivery or withdrawal of a formulation, wherein the catheter has an outer layer comprising a bio-compatible material and a barrier layer comprising a material that provides a more effective barrier than the outer layer against inward and outward diffusion of substances that may cause destabilization of the formulation. The catheter may include a flared distal end tip to aid in the release, during a bolus delivery or catheter flush, of any obstruction situated at the distal end tip of the catheter. The catheter may also include a slit valve at the distal end tip which has one or more and, preferably a plurality of slits that may be elastically extended to an open position by the expulsion of the formulation during an IIP pump stroke. During the interval between IIP pump strokes, the slits return to a closed position and hinder the inflow of body fluid into the distal end tip.