K Number
K991036
Device Name
DANEK PLATE AND SCREW SYSTEM
Date Cleared
1999-09-14

(169 days)

Product Code
Regulation Number
888.3070
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP Authorized
Intended Use
When used as a pedicle screw fixation system of the non-cervical posterior spine in skeletally mature patients, the DANEK® Plate and Screw System is indicated for one or more of the following: (1) degenerative spondylolisthesis with objective evidence of neurologic impairment, (2) fracture, (3) dislocation, (4) scoliosis, (5) kyphosis, (6) spinal tumor, and/or (7) failed previous fusion (pseudarthrosis). In addition, when used as a pedicle screw fixation system, the DANEK® Plate and Screw System is indicated for skeletally mature patients: (a) having severe spondylolisthesis (Grades 3 and 4) of the fifth lumbar-first sacral (L5-S1) vertebral joint: (b) who are receiving fusions using autogenous bone graft only; (c) who are having the device fixed or attached to the lumbar and sacral spine (L3 and below); and (4) who are having the device removed after the development of a solid fusion mass.
Device Description
The DANEK® Plate and Screw System consists of plates, screws, hooks. CROSSLINK® Plates and other components used to build a spinal construct. Instrumentation is also available to facilitate implantation of the device components. The purpose of the DANEK® Plate and Screw System is to provide stabilization during the development of a solid spinal fusion. DANEK® Plate and Screw implant components are fabricated from medical grade stainless steel described by such standards as ASTM F138 or ISO 5832-1 or ISO 5832-9. The DANEK® Plate and Screw System implant components may be sold either sterile or non-sterile
More Information

Not Found

Not Found

No
The summary describes a mechanical spinal fixation system and does not mention any software, algorithms, or AI/ML capabilities.

Yes
The device is described as a "pedicle screw fixation system" that provides "stabilization during the development of a solid spinal fusion" for various spinal conditions, indicating its use in treating medical conditions.

No

This device is described as a "pedicle screw fixation system" that consists of plates, screws, and hooks designed to provide "stabilization during the development of a solid spinal fusion." These are all components used in active treatment (stabilization and fusion), not for diagnosing conditions.

No

The device description explicitly states it consists of physical components like plates, screws, and hooks, which are hardware.

Based on the provided text, this device is not an IVD (In Vitro Diagnostic).

Here's why:

  • Intended Use/Indications for Use: The intended use describes a surgical implant system for stabilizing the spine during fusion. This is a therapeutic device, not a diagnostic one.
  • Device Description: The description details plates, screws, hooks, and other components made of medical-grade stainless steel, designed for surgical implantation. This aligns with a surgical device, not a device used to examine specimens from the body.
  • Lack of IVD characteristics: There is no mention of analyzing biological samples (blood, urine, tissue, etc.), detecting markers, or providing diagnostic information based on in vitro testing.

The device is clearly intended for surgical intervention and stabilization of the spine, which falls under the category of a medical device used in vivo (within the body), not in vitro (in glass/outside the body).

N/A

Intended Use / Indications for Use

When used as a pedicle screw fixation system of the non-cervical posterior spine in skeletally mature patients, the DANEK® Plate and Screw System is indicated for one or more of the following: (1) degenerative spondylolisthesis with objective evidence of neurologic impairment, (2) fracture, (3) dislocation, (4) scoliosis, (5) kyphosis, (6) spinal tumor, and/or (7) failed previous fusion (pseudarthrosis).

In addition, when used as a pedicle screw fixation system, the DANEK® Plate and Screw System is indicated for skeletally mature patients: (a) having severe spondylolisthesis (Grades 3 and 4) of the fifth lumbar-first sacral (L5-S1) vertebral joint: (b) who are receiving fusions using autogenous bone graft only; (c) who are having the device fixed or attached to the lumbar and sacral spine (L3 and below); and (4) who are having the device removed after the development of a solid fusion mass.

Product codes (comma separated list FDA assigned to the subject device)

MNH, MNI

Device Description

The DANEK® Plate and Screw System consists of plates, screws, hooks. CROSSLINK® Plates and other components used to build a spinal construct. Instrumentation is also available to facilitate implantation of the device components. The purpose of the DANEK® Plate and Screw System is to provide stabilization during the development of a solid spinal fusion.

DANEK® Plate and Screw implant components are fabricated from medical grade stainless steel described by such standards as ASTM F138 or ISO 5832-1 or ISO 5832-9. The DANEK® Plate and Screw System implant components may be sold either sterile or non-sterile

Mentions image processing

Not Found

Mentions AI, DNN, or ML

Not Found

Input Imaging Modality

Not Found

Anatomical Site

non-cervical posterior spine, fifth lumbar-first sacral (L5-S1) vertebral joint, lumbar and sacral spine (L3 and below)

Indicated Patient Age Range

skeletally mature patients

Intended User / Care Setting

Not Found

Description of the training set, sample size, data source, and annotation protocol

Not Found

Description of the test set, sample size, data source, and annotation protocol

Not Found

Summary of Performance Studies (study type, sample size, AUC, MRMC, standalone performance, key results)

Not Found

Key Metrics (Sensitivity, Specificity, PPV, NPV, etc.)

Not Found

Predicate Device(s): If the device was cleared using the 510(k) pathway, identify the Predicate Device(s) K/DEN number used to claim substantial equivalence and list them here in a comma separated list exactly as they appear in the text. List the primary predicate first in the list.

Not Found

Reference Device(s): Identify the Reference Device(s) K/DEN number and list them here in a comma separated list exactly as they appear in the text.

DYNA-LOK® Spinal System

Predetermined Change Control Plan (PCCP) - All Relevant Information for the subject device only (e.g. presence / absence, what scope was granted / cleared under the PCCP, any restrictions, etc).

Not Found

§ 888.3070 Thoracolumbosacral pedicle screw system.

(a)
Identification. (1) Rigid pedicle screw systems are comprised of multiple components, made from a variety of materials that allow the surgeon to build an implant system to fit the patient's anatomical and physiological requirements. Such a spinal implant assembly consists of a combination of screws, longitudinal members (e.g., plates, rods including dual diameter rods, plate/rod combinations), transverse or cross connectors, and interconnection mechanisms (e.g., rod-to-rod connectors, offset connectors).(2) Semi-rigid systems are defined as systems that contain one or more of the following features (including but not limited to): Non-uniform longitudinal elements, or features that allow more motion or flexibility compared to rigid systems.
(b)
Classification. (1) Class II (special controls), when intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine: severe spondylolisthesis (grades 3 and 4) of the L5-S1 vertebra; degenerative spondylolisthesis with objective evidence of neurologic impairment; fracture; dislocation; scoliosis; kyphosis; spinal tumor; and failed previous fusion (pseudarthrosis). These pedicle screw spinal systems must comply with the following special controls:(i) Compliance with material standards;
(ii) Compliance with mechanical testing standards;
(iii) Compliance with biocompatibility standards; and
(iv) Labeling that contains these two statements in addition to other appropriate labeling information:
“Warning: The safety and effectiveness of pedicle screw spinal systems have been established only for spinal conditions with significant mechanical instability or deformity requiring fusion with instrumentation. These conditions are significant mechanical instability or deformity of the thoracic, lumbar, and sacral spine secondary to severe spondylolisthesis (grades 3 and 4) of the L5-S1 vertebra, degenerative spondylolisthesis with objective evidence of neurologic impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, and failed previous fusion (pseudarthrosis). The safety and effectiveness of these devices for any other conditions are unknown.”
“Precaution: The implantation of pedicle screw spinal systems should be performed only by experienced spinal surgeons with specific training in the use of this pedicle screw spinal system because this is a technically demanding procedure presenting a risk of serious injury to the patient.”
(2) Class II (special controls), when a rigid pedicle screw system is intended to provide immobilization and stabilization of spinal segments in the thoracic, lumbar, and sacral spine as an adjunct to fusion in the treatment of degenerative disc disease and spondylolisthesis other than either severe spondylolisthesis (grades 3 and 4) at L5-S1 or degenerative spondylolisthesis with objective evidence of neurologic impairment. These pedicle screw systems must comply with the following special controls:
(i) The design characteristics of the device, including engineering schematics, must ensure that the geometry and material composition are consistent with the intended use.
(ii) Non-clinical performance testing must demonstrate the mechanical function and durability of the implant.
(iii) Device components must be demonstrated to be biocompatible.
(iv) Validation testing must demonstrate the cleanliness and sterility of, or the ability to clean and sterilize, the device components and device-specific instruments.
(v) Labeling must include the following:
(A) A clear description of the technological features of the device including identification of device materials and the principles of device operation;
(B) Intended use and indications for use, including levels of fixation;
(C) Identification of magnetic resonance (MR) compatibility status;
(D) Cleaning and sterilization instructions for devices and instruments that are provided non-sterile to the end user; and
(E) Detailed instructions of each surgical step, including device removal.
(3) Class II (special controls), when a semi-rigid system is intended to provide immobilization and stabilization of spinal segments in the thoracic, lumbar, and sacral spine as an adjunct to fusion for any indication. In addition to complying with the special controls in paragraphs (b)(2)(i) through (v) of this section, these pedicle screw systems must comply with the following special controls:
(i) Demonstration that clinical performance characteristics of the device support the intended use of the product, including assessment of fusion compared to a clinically acceptable fusion rate.
(ii) Semi-rigid systems marketed prior to the effective date of this reclassification must submit an amendment to their previously cleared premarket notification (510(k)) demonstrating compliance with the special controls in paragraphs (b)(2)(i) through (v) and paragraph (b)(3)(i) of this section.

0

K991036

SEP | 4 1959

DANEK® Plate and Screw System 510(k) Summary

March 1999

  • l. Company: Sofamor Danek USA 1800 Pvramid Place Memphis. TN 38132 (901) 396-3133
  • Proposed Proprietary Trade Name: DANEK® Plate and Screw System ll.

III. Description

The DANEK® Plate and Screw System consists of plates, screws, hooks. CROSSLINK® Plates and other components used to build a spinal construct. Instrumentation is also available to facilitate implantation of the device components. The purpose of the DANEK® Plate and Screw System is to provide stabilization during the development of a solid spinal fusion.

DANEK® Plate and Screw implant components are fabricated from medical grade stainless steel described by such standards as ASTM F138 or ISO 5832-1 or ISO 5832-9. The DANEK® Plate and Screw System implant components may be sold either sterile or non-sterile

Indications for Use IV.

When used as a pedicle screw fixation system of the non-cervical posterior spine in skeletally mature patients, the DANEK® Plate and Screw System is indicated for one or more of the following: (1) degenerative spondylolisthesis with objective evidence of neurologic impairment, (2) fracture, (3) dislocation, (4) scoliosis, (5) kyphosis, (6) spinal tumor, and/or (7) failed previous fusion (pseudarthrosis).

In addition, when used as a pedicle screw fixation system, the DANEK® Plate and Screw System is indicated for skeletally mature patients: (a) having severe spondylolisthesis (Grades 3 and 4) of the fifth lumbar-first sacral (L5-S1) vertebral joint: (b) who are receiving fusions using autogenous bone graft only; (c) who are having the device fixed or attached to the lumbar and sacral spine (L3 and below); and (4) who are having the device removed after the development of a solid fusion mass.

1

K491036

Substantial Equivalence V.

The DANEK® Plate and Screw System is substantially equivalent to itself. The new pedicle screw classification indications described in the classification Final Rule published in the July 27,1998 Federal Register were used to expand the previously cleared indications for the DANEK® Plate and Screw System. This system is also substantially equivalent to the DYNA-LOK® Spinal System.

©1999 Sofamor Danek

2

Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850

SEP 1 4 1999

Richard W. Treharne, Ph.D. Vice President, Research and Regulatory Affairs Sofamor Danek 1800 Pyramid Place Memphis, Tennessee 38132

Re: K991036

Trade Name: DANEK® Plate and Screw System Regulatory Class: II Product Code: MNH and MNI Dated: June 23, 1999 Received: June 24, 1999

Dear Dr. Treharne:

We have reviewed your Section 510(k) notification of intent to market the device referenced above and we have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.

If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the current Good Manufacturing Practice requirement, as set forth in the Quality System Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic (QS) inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP regulation may result in regulatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or regulations.

3

Image /page/3/Figure/0 description: The image shows the text "Page 2 Dr. Richard W. Treharne". The text is black and the background is white. The text is aligned to the left.

This letter will allow you to begin marketing your device as described in your 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.

If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4659. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its tollfree number (800) 638-2041 or at (301) 443-6597, or at its Internet address "http://www.fda.gov/cdrh/dsmamain.html".

Sincerely yours,

Celia M. Witten, Ph.D., M.D.

Celia M. Witten, Ph.D., M.D. Director Division of General and Restorative Devices Office of Device Evaluation Center for Devices and Radiological Health

Enclosure

4

510(k) Number (if known):

Device Name: DANEK® Plate and Screw System

Indications for Use:

When used as a pedicle screw fixation system of the non-cervical posterior spine in skeletally mature patients, the DANEK® Plate and Screw System is indicated for one or more of the following: (1) degenerative spondylolisthesis with objective evidence of neurologic impairment. (2) fracture, (3) dislocation, (4) scoliosis, (6) spinal tumor, and/or (7) failed previous fusion (pseudarthrosis).

XG91036

In addition, when used as a pedicle screw fixation system, the DANEK® Plate and Screw System is indicated for skeletally mature patients: (a) having severe spondylolisthesis (Grades 3 and 4) of the fifth lumbar-first sacral (LS-SI) vertebral joint; (b) who are receiving fusions using autogenous bone graft only; (c) who are having the device fixed or attached to the lumbar and sacral spine (L3 and below); and (4) who are having the device removed after the development of a solid fusion mass.

(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)

Concurrence of CDRH, Office of Evaluation (ODE)

Prescription Use
(Per 21 CFR 801.109)

OR

Over-The-Counter Use

(Optional 1-2-96)

PCOLA

Division Sign-Off)
Division of General Restorative Devices
510(k) Number. C.99103/