Atlas FDA

NATURAL-KNEE II SYSTEM

FDA 510(k) clearance K936159 · decided 1995-05-22

Clearance details

K-number
K936159
Device name
NATURAL-KNEE II SYSTEM
Applicant
Intermedics Orthopedics
Decision
Substantially Equivalent for Some Indications
Date received
1993-12-23
Decision date
1995-05-22
Days to decision
515 days
Clearance type
Traditional
Product code
JWH
Device class
2
Regulation number
888.3560
Medical specialty
Orthopedic
Advisory committee
Orthopedic
Location
Austin, TX, US
Third-party review
No
Expedited review
No

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Similar devices under this product code

Devices cleared under the same product code - the starting set for predicate research.

RecordFirmDate
Freedom Total Knee System (E-Poly Tibial Liners) (K261563)Maxx Orthopedics, Inc.2026-08-07
ACTIFY™ Total Knee System, ACTIFY™ 3D Total Knee System (ACTIFY MC Tibial Insert) (K262251)Globus Medical, Inc.2026-07-31
Klassic Infection Spacer System (K261734)Total Joint Orthopedics, Inc.2026-07-23
ATTUNE Total Knee System; ATTUNE Cementless Knee System (K261458)DePuy Ireland UC2026-06-25
NovoKnee (SteriKnee) (K261032)NovoSource2026-04-27
Materialise TKA Guide System (K253793)Materialise NV2026-01-06
EMPOWR Knee (K252974)Encore Medical L.P.2025-12-19
ATTUNE™ Total Knee System; ATTUNE™ Revision Sleeve LPS™ Femoral Adaptors (K253197)Depuy Ireland UC2025-11-19
Freedom Infinia™ Total Knee System (K253314)Maxx Orthopedics, Inc.2025-10-29
Freedom® Total Knee System – Titan PCK Components (K253144)Maxx Orthopedics, Inc.2025-10-22
Stem Extension Line (U2 Total Knee System—PSA Type) (K252725)United Orthopedic Corporation2025-09-25
Materialise TKA Guide System (K251554)Materialise NV2025-07-14

Recalls involving this device

RecordFirmDate
NKII CSTI Porous Femoral NKII NP Femoral prosthesis, knee, patellofemorotibial, semi-const recall (Z-0839-2016)Zimmer Biomet, Inc.2016-02-22
Natural-Knee N-K II DOMED ALL-POLY PAT, SZ0 N-K II DOMED ALL-POLY PAT, SZ1 recall (Z-1249-2014)Zimmer, Inc.2014-03-20
Natural-Knee II System: POLY ULTRA TIB LT SZ00/9M POLY ULTRA TIB LT SZ0/9MM POLY ULTRA TIB recall (Z-1262-2014)Zimmer, Inc.2014-03-20
Natural-Knee Flex Femoral Component. Provides increased flexion capability. recall (Z-0075-2014)Zimmer, Inc.2013-10-25
Natural-Knee II Femoral Component recall (Z-0078-2014)Zimmer, Inc.2013-10-25