# K022831: Modification to Disetronic D-Tronplus Insulin Infusion Pump

- Pathway: 510(k) (Special)
- Applicant: Disetronic Medical Systems AG
- Decided: Sep 11, 2002 after 16 days
- Product code: LZG (Pump, Infusion, Insulin)
- Device class: 2
- Regulation: 21 CFR 880.5725
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K905693 (1991). 4 ancestors in all.
4 later devices descend from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K994186: Disetronic D-Tron Insulin Infusion Pump, Disetronic Medical Systems (1999) Summary page 1.
- K021725: Disetronic D-Tron Insulin Infusion Pump, Disetronic Medical Systems AG (2002) Summary page 1.

## Most influential descendants
- K043000: Modification to D-Tronplus (2004), 3 descendants of its own
- K100567: Pearl Diabetes Management System (2011), 2 descendants of its own
- K122483: Pearl Diabetes Management System (2013), 1 descendant of its own
- K142619: Snap Insulin Pump System (2014), 0 descendants of its own

## Recalls of this device
- Jul 24, 2003 · Not classified · Z-1198-03: Lack of assurance of reliability and notice to D-tron+ users to examine pump keys for punctures, not to use pumps with punctured keys near water, and to alert users to the possibility of a sticking pi

## Indications for use
The Disetronic D-TRONplus Insulin Infusion Pump is intended for the controlled delivery of insulin as prescribed by a physician. It is indicated for patients with insulin dependent Diabetes Mellitus who do not have optimum blood glucose control on conventional insulin injection therapy. Patients for insulin pump therapy must be highly motivated to perform self glucose monitoring on a frequent and regular basis. They must be able to adjust their insulin supply to varying needs depending on actual blood glucose levels, planned meals, physical activities, etc. Patients must be capable of operating the pump. They must also have access to the educational training, support, and follow-up of health care professional experienced in insulin pump therapy.

Source page: https://510kreport.com/device/K022831
Methodology: https://510kreport.com/methodology