# K022201: Radius Micro Snare

- Pathway: 510(k) (Traditional)
- Applicant: Radius Medical Technologies, Inc.
- Decided: Feb 3, 2003 after 213 days
- Product code: MMX (Device, Percutaneous Retrieval)
- Device class: 2
- Regulation: 21 CFR 870.5150
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K901502 (1990). 8 ancestors in all.
32 later devices descend from it; 1 cites it directly.
4 of 41 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K970668: The Amplantz Goose Neck Microsnare, Microvena Corp. (1998). Our reading of the summary gave K970688, FDA’s number for Pocket Rescue (Cheen Houng Ent. Co., Ltd.). Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “Microvena Amplatz Goose Neck Micro Snare”. Summary page 2.
- K021441: Radius Snare, Radius Medical Technologies, Inc. (2002) Summary page 1.
- K970466: Radius Ptca Guidewire, Radius Medical Technologies, Inc. (1997) Summary page 1.

## Most influential descendants
- K032426: Gunhter Tulip Vena Cava Mreye Filter and Retrieval Set (2003), 31 descendants of its own
- K073374: Cook Clect Vena Cava Filter, Gunther Tulip Vena Cava Filter Retrieval Set (2008), 16 descendants of its own
- K112185: Foursnare Vascular Retrieval Snare (2011), 6 descendants of its own
- K081410: Option Vena Cava Filter (2009), 6 descendants of its own
- K034050: Cordis Optease Vena Cava Filter, Models 466-F220A and 466-F220B; Retrievable Catheter, Model 466-C220F (2004), 5 descendants of its own

## Indications for use
The Radius Micro Snare is intended for use to retrieve and/or manipulate objects in the distal peripheral vessels of the cardiovascular system and hollow viscus. Manipulation procedures include retrieval and/or repositioning of intravascular foreign objects such as coils, balloons, catheters and/or guidewires within the peripheral and cardiovascular system.

Source page: https://510kreport.com/device/K022201
Methodology: https://510kreport.com/methodology