# K183353: Telescope Guide Extension Catheter

- Pathway: 510(k) (Traditional)
- Applicant: Medtronic, Inc.
- Decided: Mar 22, 2019 after 109 days
- Product code: DQY (Catheter, Percutaneous)
- Device class: 2
- Regulation: 21 CFR 870.1250
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 9 generations back to K935425 (1994). 15 ancestors in all.
3 later devices descend from it; 2 cite it directly.
1 of 19 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K172090: GuideLiner V3 Catheter, Vascular Solutions, Inc. (2017) Summary page 5.

## Most influential descendants
- K242276: CrossFAST™ Integrated Microcatheter Guide Extension System (CFM55) (2024), 1 descendant of its own
- K262817: CrossFAST Integrated Microcatheter Advanced Delivery System (2026), 0 descendants of its own
- K252390: Telescope Guide Extension Catheter (2025), 0 descendants of its own

## Indications for use
Telescope™ Guide Extension Catheter is intended to be used in conjunction with guide catheters to access discrete regions of the coronary and/or peripheral vasculature, and to facilitate placement of interventional devices.

Source page: https://510kreport.com/device/K183353
Methodology: https://510kreport.com/methodology