# K961891: WLP Single-Segment Version WLP Solo Vii

- Pathway: 510(k) (Traditional)
- Applicant: Wright Linear Pump, Inc.
- Decided: Nov 6, 1996 after 181 days
- Product code: JOW (Sleeve, Limb, Compressible)
- Device class: 2
- Regulation: 21 CFR 870.5800
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K882683 (1988). 2 ancestors in all.
No later device cites it as a predicate yet.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K874688: Flowtron AC200/2, Huntleigh Technology, Inc. (1988) Summary page 1.
- K882683: Jobst Extremity Pump (R) System 7500, Jobst Institute, Inc. (1988) Summary page 1.

## Cited in the summary but kept off the family tree
- K814775: Talley MicroSystem/Talley. Not in FDA’s 510(k), De Novo or PMA lists as we hold them (a misreading, a typo, or a number FDA does not list), so it is kept off the family tree Summary page 1.

## Indications for use
The proposed device is to be used to improve the return circulation of body fluid that has pooled in one or more of a patient's extremities. This treatment reduces debilitating pain, swelling, ulceration, and risk of dermatological impact, infection, and amputation.

Source page: https://510kreport.com/device/K961891
Methodology: https://510kreport.com/methodology