An analyte sensor applicator for applying a wearable analyte monitoring device includes a housing that holds an analyte sensor assembly, a cam assembly for delivering the analyte sensor assembly, and a skin piercing for inserting a sensor, wherein the skin piercing device is retracted within the housing top after insertion.

Systems and methods of use for continuous analyte measurement of a host's vascular system are provided. In some embodiments, a continuous glucose measurement system includes a vascular access device, a sensor and sensor electronics, the system being configured for insertion into communication with a host's circulatory system.

Electrochemical Impedance Spectroscopy (EIS) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (CGM) to enable in-vivo sensor calibration. gross (sensor) failure analysis, and intelligent sensor diagnostics and faith detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.

A system includes a sensor applicator, a sensor control device arranged within the sensor applicator and including an electronics housing and a sensor extending from a bottom of the electronics housing, and a cap coupled to one of the sensor applicator and the sensor control device, wherein the cap is removable prior to deploying the sensor control device from the sensor applicator.

The present embodiments relate generally to apparatuses, systems, and methods for deploying a medical device to skin of a host. The apparatuses, systems, and methods may be directed to removing a liner for a medical device so that the medical device may couple to the skin of the host. The medical device may comprise an on-skin wearable medical device.

An electrochemical sensor includes a distal portion on which a plurality of electrodes configured to react with an in vivo analyte are provided, a proximal portion on which sensor pads connected to the electrodes are provided, and an intermediate portion positioned between the distal portion and the proximal portion. A transmitter includes a main substrate on which at least one of a power source, a communication unit, and a controller is provided and a housing in which the main substrate is accommodated. The transmitter is configured to be attached to the skin. A method of fabricating an electrochemical sensor includes applying a conductive layer on a flexible base layer of the electrochemical sensor and attaching insulating layers to the conductive layer.

Disclosed herein are various embodiments of sensor applicator assemblies for delivering sensor control devices, wherein the embodiments include features for improving the longevity of the sensor applicator or sensor control device, as well as reducing the likelihood of mechanical failure of certain components. Some embodiments include, for example, a pull-tab coupled with the sensor or battery, an adhesive liner for the sensor control device, one or more magnets for retaining the sensor control device in the sensor carrier, and a leaf spring retraction mechanism.

Devices, systems, and methods are provided herein for delivering medication (e.g., insulin) via a wearable pump having a patch-style form factor for adhesion to a user’s body. The reusable pump may be coupled to a disposable cap housing a microdosing system for delivering precise, repeatable doses of medication to a cannula configured to deliver medication to a target infusion area beneath the user’s outer skin layer. The system further may include an applicator for inserting the cannula into the user’s skin and/or applying an adhesive pad to the skin.

Systems for applying a transcutaneous monitor to a person can include a telescoping assembly, a sensor, and a base with adhesive to couple the sensor to skin. The sensor can be located within the telescoping assembly while the base protrudes from a distal end of the system. The system can be configured to couple the sensor to the base by compressing the telescoping assembly.

A fluid infusion system includes a housing configured to be adhesively coupled to an anatomy of the user. The housing comprises a communication device configured to wirelessly communicate a physiological characteristic to a communication component of a fluid infusion device. The fluid infusion system includes a fluid flow path from the fluid infusion device into the anatomy of the user, and the fluid flow path is configured to extend from the housing for insertion into the anatomy of the user.