# K170507: Invacare® TDX® SP2 Power Wheelchair; TDXSP2 TDX SP2 with LiNX Electronics, TDXSP2-CG TDX SP2 Base for Single Act. System w/ Ultra Low Maxx, TDXSP2-MCG TDX SP2 Base for Multiple Actuator System w/ Ultra Low Maxx

- Pathway: 510(k) (Traditional)
- Applicant: Invacare Corporation
- Decided: Jul 12, 2017 after 141 days
- Product code: ITI (Wheelchair, Powered)
- Device class: 2
- Regulation: 21 CFR 890.3860
- Recalls of this device: 2 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K900565 (1990). 11 ancestors in all.
3 later devices descend from it; 2 cite it directly.
0 of 15 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K141783: TDX SP2 Power Wheechair, Invacare Corporation (2015) Summary page 4.
- K150574: Modular Power Positioning System, Motion Concepts (2015) Summary page 4.

## Most influential descendants
- K192216: Invacare AVIVA FX Power Wheelchair, Model: IFX-20MP (2020), 1 descendant of its own
- K202379: Invacare AVIVA Storm RX Power Chair (2021), 0 descendants of its own
- K182946: Invacare TDX SP2-HD with Captain's Seat (2018), 0 descendants of its own

## Recalls of this device
- Mar 30, 2022 · Class II · Z-1130-2022: The battery wiring harness on affected wheelchairs may become disconnected during shipment from the factory or during wheelchair use traversing large obstacles or after a jolt or impact to the wheelch
- Nov 12, 2021 · Class II · Z-0445-2022: Power Wheelchairs with a LiNX Gyro component running firmware version 6.1.2 can experience a more aggressive deceleration rate than the programmed rate due to the system following the incorrect decele

## Indications for use
The indication for use of the Invacare® TDX® SP2 Power Wheelchair is to provide mobility and positioning to persons limited to a sitting position.

Source page: https://510kreport.com/device/K170507
Methodology: https://510kreport.com/methodology