# K133230: Inqwire Diagnostic Guide Wire

- Pathway: 510(k) (Special)
- Applicant: Merit Medical Systems, Inc.
- Decided: Dec 12, 2013 after 52 days
- Product code: DQX (Wire, Guide, Catheter)
- Device class: 2
- Regulation: 21 CFR 870.1330
- 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 K002289 (2000). 1 ancestor in all.
6 later devices descend from it; 3 cite it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K002289: Inqwire Diagnostic Guide Wire, Merit Medical Systems, Inc. (2000). Our reading of the summary gave K002281, FDA’s number for Stelkast Proven Knee System (Stelkast Company). Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “Merit InQwire Diagnostic Guide Wire”. Summary page 2.

## Most influential descendants
- K163575: Inqwire Diagnostic Guide Wire (2017), 2 descendants of its own
- K171764: Fixed Core Wire Guides (2018), 1 descendant of its own
- K170700: Inqwire Diagnostic Guide Wire (2017), 1 descendant of its own
- K253667: Accoat Guide Wire (2026), 0 descendants of its own
- K254137: InQwire Amplatz Guide Wire (2026), 0 descendants of its own

## Indications for use
Merit Medical guide wires are used to facilitate the placement of devices during diagnostic and interventional procedures.

Source page: https://510kreport.com/device/K133230
Methodology: https://510kreport.com/methodology