Updated on July 10, 2019

·

Created on October 8, 2018

Nexleaf ColdTrace

Upcoming Update

Wireless remote temperature monitoring solution designed for vaccine refrigerators.

Developed By Unknown

Product Description

ColdTrace is a wireless remote temperature monitoring (RTM) solution that uses temperature sensor probe(s) for vaccine refrigerators. It collects data and generates analytics and reports. It also has an SMS alert system to inform when vaccines are in danger.

The manufacturer is Nexleaf, a company headquartered in Los Angeles, CA.

Market Suggested Retail Price

$189.00

Distributors / Implementing Organizations

Ministries of Health, local organizations, NGOs and development agencies

Manufacturing/Building Method

Manufactured in IndiaInterview with company representative

Intellectural Property Type

Other

User Provision Model

Distributed through National Health Systems, local organizations, NGOs and development agencies

Distributions to Date Status

14,204 devices acrross 10 countries, including:

Gross storage capacity (L)

N/A

Holding Temp (°C)

N/A

Holdover Time (days)

Unknown.

Number of Shelves

N/A

Power Requirements

Unknown.

Vaccine storage capacity (Liters)

N/A

Design Specifications

  • Product type: Remote Temperature Monitoring System
  • Display medium: LCD, Computer, Phone, Tablet
  • Mode of operation: Electronic
  • Minimum temperature: -30ºC
  • Maximum temperature: +55ºC
  • Main material: Polycarbonate and ABS
  • Dimensions: 140 mm x 150 mm x 30 mm
  • Accuracy: 0.5ºC
  • Min logging interval: 1 minute
  • Power source: Rechargeable and Replaceable battery
  • Alarm type: Acoustic
  • Battery type: Li-ion
  • User interface: Web Based
  • Battery shelf life: 2
  • Programmability: Remotely programmable
  • Memory capacity: 5 years
  ColdTrace transmits data and provides real-time temperature alerts through audio alarm, SMS (text message), and email. Its technical features include dual SIM capacity, battery, external antenna and data upload through GPRS and SMS. Customer supplies SIM cards and SMS gateway services. Other components and services are available for an additional fee, including additional sensor cables (CT5 has 5 ports), solar installation kit, data analytics tools, language customization, and data integration with existing systems (e.g. LMIS). Price per unit cost can be paid all at once rather than yearly payments.

Technical Support

Trained local ColdTrace technicians

Nexleaf provides remote and in-person technical support in addition to warranty services for replacement components. When organizations implement projects with the device, Nexleaf provides customer service and training on the device, dashboard use, and troubleshooting.Interview with company representative

Replacement Components

Replacement components such as batteries and sensors are provided to customers upon request.Interview with company representative

Lifecycle

The expected lifetime of the device is 5 years. The estimated lifetime of the replaceable battery is 2 years. They offer a 3-year warranty on the device (excluding accessories).Interview with company representative  

Manufacturer Specified Performance Parameters

Real-time temperature data provided by ColdTrace can be used to:

  • Identify chronically failing fridges
  • Remotely diagnose certain common causes of fridge failure using temperature data signatures
  • Fix fridges remotely with a simple phone call to the health facility
  • Verify fixes conducted remotely or in person by following temperature data closely after a fridge repair
 

Vetted Performance Status

Results of an RCT analysis using RTM monitoring, 30DTR and stem thermometers: RTM monitoring (ColdTrace) achieved the highest total uptime. RTM monitoring also had the shortest facility average for total time spent in ColdTrace cold alert and WHO freeze alarm states. Group 1 also spent the lowest percent of total time in WHO freeze alarm state: 0.55% versus 1.9% for 30DTR and 2.3% for stem thermometers.4

Safety

ColdTrace received Performance, Quality and Safety certification on July 20th, 2016 from the World Health Organization (WHO) and is now listed in the WHO’s PQS Catalogue as number E006/039.

Complementary Technical Systems

Dashboard features include equipment performance and power availability summary reports on any device. Alerts for each sensor can be configured remotely, allowing one ColdTrace5 unit to monitor up to 5 CCE per site.  Multiple users can access the dashboard without any software installation.

Academic Research and References

Bragazzi, N., Gianfredi, V., Villarini, M., Rosselli, R., Nasr, A., Hussein, A., Martini, M., Behzadifar, M., 2018, Vaccines Meet Big Data: State-of-the-Art and Future Prospects. From the Classical 3Is (“Isolate–Inactivate–Inject”) Vaccinology 1.0 to Vaccinology 3.0, Vaccinomics, and Beyond: A Historical Overview, Frontiers in Public Health, 6(62).

Falk, S., Mathew, G., 2017, Technology for Good: Innovative Uses of Emerging Technologies to Address Social Challenges,  Digital Government, pp. 39-62.

Biggs, P., Garrity, J., LaSalle, C., Polornska, A., Dr. Pepper. R., 2015, Harnessing the Internet of Things for Global, ITU, CISCO

 

Compliance with regulations

ColdTrace received Performance, Quality and Safety certification on July 20th, 2016 from the World Health Organization (WHO) and is now listed in the WHO’s PQS Catalogue as number E006/039. ISO 9001:2008 The device has also undergone calibration and accuracy testing in an ISO/IEC 17025:2005 accredited laboratory and is CE marked.Interview with company representative

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