# K990776: Aap Cannulated Screw, 7.5MM, 4.5MM, 4.0MM, 3.5MM, 7.0MM

- Pathway: 510(k) (Traditional)
- Applicant: Aap Implantate AG
- Decided: Apr 29, 1999 after 51 days
- Product code: HWC (Screw, Fixation, Bone)
- Device class: 2
- Regulation: 21 CFR 888.3040
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
368 later devices descend from it; 7 cite it directly.
1 of 369 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) aap Bone Screws (Stainless Steel & Titanium): named in the summary without a submission number
- (no number) OSTEOTECH Cannulated Screws (including Navicular and Cancellous Cannulated Screws) (Stainless Steel 316 L): named in the summary without a submission number
- (no number) SYNTHES Small and Large Cannulated Screw System (Stainless Steel 316L): named in the summary without a submission number
- (no number) HOWMEDICA ASNIS II Guided Bone Screws (Stainless Steel 316L): named in the summary without a submission number
- (no number) BIODYNAMIC TECHNOLOGIES EZ-Fix™ Cannulated Screw System (Ti 6 Al4 V E.L.1): named in the summary without a submission number
- (no number) DePuy Cannulated Bone Screw (Stainless Steel 316 LVM): named in the summary without a submission number
- (no number) MECRON Cannulated Bone Screws (Stainless Steel 316L): named in the summary without a submission number
- (no number) ZIMMER Magna-Fx & Mini Magna-Fx Cannulated Screw Fixation System (Stainless Steel): named in the summary without a submission number

## Most influential descendants
- K993762: I.CO.S Screw (2000), 338 descendants of its own
- K024233: Kompressor Screw System (2003), 299 descendants of its own
- K040356: Kompressor Screw System (2004), 255 descendants of its own
- K060071: Nexa Compression Screw (2006), 251 descendants of its own
- K063298: Osteomed Headless Cannulated Screw System (2007), 246 descendants of its own

## Indications for use
aap's Cannulated Screws are intended for use over a guide pin or wire for bone fracture fixation and bone fragment fixation. aap's washers may be used with the screws in certain applications. Specific Indications may include: - scaphoid fractures and other fractures of the hand - metatarsal fractures and other fractures of the foot - malleolar fractures - ligament fixation of the proximal humerus - wrist, ankle, shoulder and elbow fractures - condylar fractures - fractures of the pelvis and acetabulum - femoral neck and femoral head fractures - femoral supracondylar fractures - tibial plateau fractures

Source page: https://510kreport.com/device/K990776
Methodology: https://510kreport.com/methodology