# K991835: Hang Ups Power II

- Pathway: 510(k) (Traditional)
- Applicant: Stl Intl., Inc.
- Decided: Dec 20, 1999 after 206 days
- Product code: ITH (Equipment, Traction, Powered)
- Device class: 2
- Regulation: 21 CFR 890.5900
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K894435 (1989). 4 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K821002: Inverchair, Inverchair Marketing, Inc. (1982) Summary page 1.
- K951622: Vax-D Therapeutic Table, Vat-Tech, Inc. (1996) Summary page 1.
- K944699: ATT-300, Health Care Mfg., Inc. (1995) Summary page 1.
- (no number) F5000-Series: named in the summary without a submission number

## Cited in the summary but kept off the family tree
- K862746: EM Diagnostic Ecg Electrode, Electromed Intl., Ltd. (1986). Our OCR of the scanned summary read K862746, FDA’s number for EM Diagnostic Ecg Electrode (Electromed Intl., Ltd.). Its FDA name has none of the distinctive words the summary uses for the device it names, “Midland Vari-rac I”. Kept off the family tree. Summary page 1.

## Most influential descendants
- K072064: Gravilax Traction System (2008), 0 descendants of its own

## Indications for use
Hang Ups InvertAlign is intended to be used for inversion, a method of gravity-assisted traction that utilizes the user’s own body weight. Inversion is indicated to: incrcase intervertebral dimentions, decrease pressure on the intervetebral discs, stretch and relax muscles, and temporarily relieve back pain associated with the listed conditions.

Source page: https://510kreport.com/device/K991835
Methodology: https://510kreport.com/methodology