San Diego, CA, United States
San Diego, CA, United States

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Patent
Tandem Diabetes Care | Date: 2016-10-17

An infusion cartridge for use with an ambulatory infusion system can be provided with a preattached infusion set to eliminate potential leakage, potential snagging and other inconveniences from tubing connectors. The infusion cartridge can include a rigid housing, a collapsible fluid reservoir within the housing and a dispense mechanism for drawing fluid from the reservoir and sending it out an outlet port. A length of tubing can be fixedly attached to the outlet port in fluid communication with the outlet port. The length of tubing can extend as a unitary construct from the outlet port to a connector that connects to a cannula for delivering fluid from the reservoir to a user.


Patent
Tandem Diabetes Care | Date: 2016-08-19

A patch pump utilizes piezoelectricity to dispense medicament from a cartridge syringe to a patient. Pump can include a plurality of piezoelectric elements that when energized cause linear motion of a pushrod that interfaces with the syringe in the cartridge to advance the syringe and dispense the medicament. The high torque generated by the piezoelectric elements is directly converted into the same amount of torque on the lead screw, so no torque increasing gear reduction system is needed and the pushrod utilized to drive the syringe can be contained within and connected directly to the motor assembly. Such a piezoelectric-based system can therefore be made smaller and with fewer moving parts than an electromagnetic motor of the same capability such that the pump has a smaller size than has heretofore been possible with prior art electromagnetic-based syringe pumps and other pumps that utilize gear reduction systems.


Patent
Tandem Diabetes Care | Date: 2016-10-28

A system and method provide for enhanced reliability and safety of programming and/or operating a medical device, such as an infusion pump, with a remote control device, such as a mobile phone (e.g., a smartphone). A safety processor acts as an intermediary device between the smartphone and medical device to review transmissions from the smartphone prior to the transmissions being delivered to the medical device. The safety processor can determine whether the smartphone is compatible with the medical device by checking the type and version of the smartphone as well as the versions of the operating software and/or firmware resident on the phone. The safety processor can also check whether the operating command entered into the smartphone is within acceptable parameters.


Patent
Tandem Diabetes Care | Date: 2016-01-14

Portable or ambulatory infusion devices and systems capable of remotely updating an ambulatory fluid delivery device include safety protocols that verify the status of the ambulatory fluid delivery device before and after a field update of software. Methods of accomplishing the same field update of software are also described.


Patent
Tandem Diabetes Care | Date: 2016-09-15

An apparatus comprising a user interface configured to generate an electrical signal to start a basal insulin rate test when prompted by a user, an input configured to receive sampled blood glucose data of a patient that is obtained during a specified time duration, including a time duration during delivery of insulin according to a specified basal insulin rate pattern, and a controller communicatively coupled to the input and the user interface. The controller includes an insulin calculation module configured for determining at least one of an amount of basal insulin over-delivered and an amount of basal insulin under-delivered during the basal insulin rate test in trying to meet a target blood glucose baseline. Other devices and methods are disclosed.


Patent
Tandem Diabetes Care | Date: 2016-06-16

A portable medical device includes an interface for accepting a power supply and enabling data transfer while still connected to a human body. The interface may include a universal serial bus interface and may be coupled to a data isolation chip and a power isolation chip. A power controlling processor may determine how the supplied power, e.g., voltage, is supplied to other components within the infusion device. Additional circuitry within the system may provide a secure power transfer within the device to ensure user safety and ensure that a high frequency noise is properly attenuated.


Patent
Tandem Diabetes Care | Date: 2016-01-11

Apparatuses and methods for training users of ambulatory medical devices. The methods relate to improving user interactions with the touchscreens of devices. In one embodiment there is an operating mode that records all user interactions along with various device parameters and allows the clinician to review the patients performance for the initial use period. Automated analysis software may be employed to analyze the data generated by the device. The results of the analysis may be used by the clinician to improve the patient and device interaction.


A portable insulin pump can integrate and display data from a continuous glucose monitor (CGM) to allow a user to more readily determine whether any interaction with the pump is necessary. Data from the CGM can automatically be transmitted to the pump and can be displayed for user analysis or automatically analyzed to present recommendations to the user based on combined data from the CGM and the pump.


Patent
Tandem Diabetes Care | Date: 2016-05-18

A user-wearable patch pump system for delivery of insulin or other medicament can include a patch pump having a reusable drive unit and a replaceable and refillable cartridge. The cartridge can selectively attach to and be detached from the drive unit. The cartridge can initially be inserted onto the drive unit in a first orientation at an angle to the drive unit and then be rotated to align the cartridge with the drive unit and lock the cartridge in place on the drive unit to form the patch pump.


Inadvertent activation of a portable medical device such as an ambulatory infusion pump can be reduced by locking a touchscreen of the device when it is indicated that an uninterrupted operation is to be performed. When a processor receives a device operation input from the touchscreen that indicates an uninterrupted operation is to be performed on the portable device, the touchscreen is automatically locked such that touch input at the touchscreen is not processed by the processor to navigate between or among menu screens or set pump parameters. Following completion of the uninterrupted operation, the touchscreen can be unlocked. In one embodiment, the touchscreen can be unlocked by selection of an unlock icon on the touchscreen.

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