# K180610: Geister retractor for neuro - and spine surgery

- Pathway: 510(k) (Traditional)
- Applicant: Geister Medizin Technik GmbH
- Decided: Aug 29, 2018 after 174 days
- Product code: GZT (Retractor, Self-Retaining, For Neurosurgery)
- Device class: 2
- Regulation: 21 CFR 882.4800
- 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 K780706 (1978). 9 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K003740: Miaspas Minitta Anterior Micro Surgical Transthoracic Approach Instrumentation, Aesculap, Inc. (2001) Summary page 5.
- K964402: Versatrac (TM) Lumbar Retractor System, V. Mueller Neuro/Spine (1997) Summary page 5.
- K060097: Grossman Self-Retaining Low Profile Brain Retractor, Model 04-001-00, KLS-Martin L.P. (2006) Summary page 5.
- K913233: Codman Lhalo Split Ring Retractor System, Codman & Shurtleff, Inc. (1991) Summary page 5.

## Most influential descendants
- K252995: Durashield Device Kit (2026), 0 descendants of its own

## Indications for use
The device intended for use as a specialized manual surgical instrument. It is reusable and intended to provide access to the thoracic and lumbar spinal column during minimally invasive and endoscopic surgical procedures. Provides a selflocking type surgical retraction system with inflatable tissue protectors.

Source page: https://510kreport.com/device/K180610
Methodology: https://510kreport.com/methodology