# K141336: Source Guide Tube with Locking Mechanism for 113 MM Needles, Gammamedplus

- Pathway: 510(k) (Traditional)
- Applicant: Varian Medical Systems, Inc.
- Decided: Aug 6, 2014 after 77 days
- Product code: JAQ (System, Applicator, Radionuclide, Remote-Controlled)
- Device class: 2
- Regulation: 21 CFR 892.5700
- 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 K952913 (1995). 2 ancestors in all.
3 later devices descend 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)
- K113766: Clickfit Transfer Guide Tubes Needle Clickfit Transfer Guide Tubes Catheter Transfer Guide Tube Set Varisource Luer Tran, Varian Medical Systems, Inc. (2012) Summary page 4.

## Most influential descendants
- K181903: BRAVOS Afterloader Family: BRAVOS Afterloader System, Transfer Guide Tubes, and Length Assessment Device (2018), 2 descendants of its own
- K191580: BRAVOS Afterloader System, Transfer Guide Tubes, Length Assessment Device (2019), 1 descendant of its own
- K221797: BRAVOS Afterloader Family: BRAVOS Afterloader System, Transfer Guide Tubes and Length Assessment Device (2022), 0 descendants of its own

## Indications for use
The GammaMedplus Source Guide Tubes are intended to connect between the GammaMedplus Remote Afterloader system and its range of applicators. This connection creates a conduit for the source wire to travel through and allows the radioactive isotopes to be positioned within the patient´s tumor site

Source page: https://510kreport.com/device/K141336
Methodology: https://510kreport.com/methodology