# K023589: Storm TDX Power Wheelchair

- Pathway: 510(k) (Traditional)
- Applicant: Invacare Corp.
- Decided: Nov 19, 2002 after 25 days
- Product code: ITI (Wheelchair, Powered)
- Device class: 2
- Regulation: 21 CFR 890.3860
- Recalls of this device: 7 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K900565 (1990). 5 ancestors in all.
9 later devices descend from it; 3 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)
- K991168: Arrow FWD Power Wheelchair, Invacare Corp. (1999) Summary page 1.
- K012909: Xterra GT Power Wheelchair, Invacare Corp. (2001) Summary page 2.
- K960951: Permobil Chairman L/CS 8, Permobil AB (1997) Summary page 1.

## Most influential descendants
- K141783: TDX SP2 Power Wheechair (2015), 4 descendants of its own
- 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 (2017), 3 descendants of its own
- K192216: Invacare AVIVA FX Power Wheelchair, Model: IFX-20MP (2020), 1 descendant of its own
- K092225: Amypower All Track Series Power Wheelchair (2009), 1 descendant of its own
- K073701: Dane Technologies Wheelchair Mover, Model WM 2000 (2008), 1 descendant of its own

## Recalls of this device
- Jan 15, 2015 · Class II · Z-1137-2015: If the slack in the wires is not routed and secured correctly, flexing of the back pan under the users weight may cause the headrest knob or clamp bracket to pinch, damage or cut the wire. Smoking, sp
- Jun 4, 2013 · Class II · Z-2270-2013: Unintended slowing or deceleration, and on rare occasion, unanticipated and unattended acceleration of power wheelchairs equipped with SPJ and MPJ type joysticks.
- Apr 6, 2012 · Class II · Z-1905-2012: Invacare Corporation decided to recall the product because of a potential risk of fire and serious injury. The post fuse assemblies could potentially have a short between the positive ring terminal an
- Feb 10, 2012 · Not classified · Z-1201-2012: Invacare Corporation decided to recall the product because use of this actuator could result in reduced cross sectional current carrying area due to wear/chafing of the wires.
- Sep 15, 2009 · Not classified · Z-0579-2010: For some Invacare chairs, the stability lock feature may not be engaging properly or consistently. If the stability lock feature does not engage properly, the wheelchair may do one or more of the foll
- Nov 27, 2007 · Not classified · Z-0930-2009: Invacare has become aware that on some chairs, the stability lock feature may not be engaging properly or consistently. If the stability lock feature does not engage properly, the wheelchair may veer 
- Mar 19, 2007 · Not classified · Z-0966-2007: Software error may permit the chair to recline too far.

## Indications for use
The intended use of the Invacare Model Sform TDX Power Wheelchair is to provide mobility to persons limited to a sittrng posihon.

Source page: https://510kreport.com/device/K023589
Methodology: https://510kreport.com/methodology