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The Modular Medical MODD1 Insulin Delivery System is indicated for the subcutaneous delivery of insulin at set and variable rates, for the management of diabetes mellitus in persons requiring insulin, for individuals 18 years of age and greater.

The Modular Medical MODD1 Insulin Delivery System (i.e., MODD1 System) consists of the following: - A reusable, software-controlled programmable Pump, - A single-use, disposable 3.0mL (300 unit) Insulin Cartridge with an integrated battery to supply power to the Pump, infusion tubing, and Tubing Cap for attaching to the Infusion Set. - . A single-use, disposable Adhesive Pad for affixing the MODD1 System to the user's body and allowing for temporary removal of the MODD1 System, - A single-use, disposable Infusion Set inserted into the patient's subcutaneous tissue, and - The MMI App, a smartphone application used to program the basal delivery schedule on the Pump. Accessories to the MODD1 System are FDA-cleared and include the following: - A single-use disposable syringe (K110771) and needle (K021475) used to fill the Insulin Cartridge reservoir, and - A reusable Inserter (K163400), optionally used to insert the Infusion Set into the patient's subcutaneous tissue. The MODD1 System has been demonstrated to be compatible with Humalog U-100 insulin. The MODD1 System can deliver insulin at basal rates between 0.5 - 4 units per hour (programmable in 0.1-unit increments) and user-selected bolus doses of between 2 and 20 units (in 2-unit increments). Basal insulin delivery may also be suspended for a set period of 30 minutes when required by the user. The delivery of insulin is achieved by gear motor rotation of a single fixed-position camshaft (components of the Pump controlled by software) that interfaces with the Insulin Cartridge pistons to control the movement of insulin from the insulin reservoir, into an interim chamber, and into the infusion tubing towards the Infusion Set inserted into the patient's subcutaneous tissue. Software monitors dispense output via feedback provided by multiple sensors, providing an alarm when issues with delivery (e.g., malfunctions, low reservoir volume, occlusions) are detected. The Pump serves as the primary user interface of the MODD1 System. A Control Button is used to prime the fluid path, program bolus deliveries, check system status, and to temporarily suspend insulin delivery. The multi-color LED and piezo buzzer of the Pump provide audio-visual feedback to the user during the set-up process, programming of a bolus delivery, and changing of delivery modes (e.g., bolus, basal, suspend). Audio-visual feedback is also used to inform the user of system alarms (automatically generated) and system status (when requested by the user). The MMI App is downloaded directly onto an Apple® iPhone 12 Pro Max running iOS version 16. The MMI App allows for the configuration of a basal delivery schedule on the Pump, consisting of up to two basal rates in a 24-hour period. The MMI App and Pump communicate using Bluetooth® Low Energy (BLE) and Near Field Communication (NFC). After the basal delivery schedule has been programmed on the Pump, all insulin delivery functions are controlled using the Pump user interface. Optional features of the MMI App include a dashboard display of current and historical Pump information and delivery history.