Medtronic 5932004747 Technical Manual

DIRECTIONS FOR USE

CD Horizon™ Medtronic

Rod Connector Set

Featuring offset rods and side-loading/top

and top domino connectors

1

CD Horizon™ Medtronic Rod

Connector Set Surgical Technique

M333023W555

Further information

Consult instructions for use (IFU) included with the product and/or at this website

www.medtronic.com/manuals

precautions, and other important medical information.

. The IFU contains the complete list of indications, warnings,

Product name and description

The CD HORIZON™ Spinal System consists of a variety of shapes and sizes of rods, hooks, screws,

CROSSLINK™ Plates, staples and connecting components, as well as implant components from

other Medtronic spinal systems. The components can be rigidly locked into a variety of

configurations, with each construct being tailor-made for the individual case. The Medtronic Rod

Connector (MRC) system, top-loading connectors, side-top loading connectors, and offset rods

provides options for rod-to-rod connection used for extending or providing additional strength to

the existing construct.

No warranties, express or implied, are made. Implied warranties of merchantability and fitness for a

particular purpose or use are specifically excluded.

Please see the package insert for the complete list of indications, warnings, precautions, and other

important medical information.

Consult instructions for use included with the product and/or at this website

www.medtronic.com/manuals.

eManual M#

M333023W555

Other devices referenced in this document

CD HORIZON™ SOLERA™ Spinal System

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CD Horizon™ Medtronic Rod

Connector Set Surgical Technique

M333023W555

Instrument Set Overview

Rod Gauges and Rod Diameter Compatibility

Rod gauges are color-coded to allow quick intraoperative confirmation of rod diameter and match

the range of rod diameters that are compatible with the MRC connectors. If the existing rod does not

fit in the smaller sized notch on the gauge but does fit into the larger notch on the gauge, then select

a connector that matches the color of the gauge. A snug fit on the larger sized notch is preferred for

the closed connection. All MRC 5.5mm titanium closed connectors can be used with 4.75mm rod

diameters (including cobalt chrome rods). Connectors with a top-loading connection are color-

coded to match either 4.75mm and or 5.5/6.0mm rod compatibility. CD Horizon™ spinal system

Medtronic™ rod connector set instrumentation is intended to be used with device and size-specific

implants.

Osteotomes

The efficient removal of a previous fusion mass in the area of a rod-to-rod connection is critical. The

instrument set contains clearing osteotomes to facilitate this step and minimize fusion mass take

down. Straight and angled osteotomes are provided in the set to enable multiple access methods

depending upon the region of the fusion mass and are sized to remove only enough bone to enable

the placement of the connectors.

It is intended for general instruments to be used to remove bone proximal to the existing construct.

Then when close to the existing rod, place the osteotome on the rod where the connector will be

placed and rotate about the existing rod to remove bone. Remove the osteotome and rotate 180°

on the rod and repeat. If needed, the angled osteotome can be used to remove additional bone.

When used in this manner, the osteotomes will experience extended life as the blade ends will not

impact existing hardware and only bone.

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CD Horizon™ Medtronic Rod

Connector Set Surgical Technique

M333023W555

Surgical Options

Compression/Distraction

The closed rod slot connection of the closed/closed and open/closed connectors facilitate

compression and distraction across constructs for sagittal plane correction and closure of

osteotomies.

Preoperative Planning

Primary Surgery

During more complex spinal deformity cases, the independent control of segments of the spine may

be desirable. This may include cases of significant sagittal imbalance or multiple stiff coronal

curvatures requiring multi-rod constructs using rod-to-rod connectors.

For multi-curve patterns, short rod-to-rod connectors like the closed/closed connector may be used.

In the setting of significant sagittal plane deformity where osteotomies are required, sagittal rods

and lateral connectors may be best suited due to the accommodating angle adjustability

offered with these implants. Only patients who meet the criteria listed in the indications

should be selected.

Revision Surgery

Identification of the spinal levels and the existing spinal instrumentation system is one of the most

important aspects of preoperative planning. MRI/CT scans and x-rays (both AP and lateral) are all

necessary presurgical planning tools to determine which connectors are to be used to connect an

existing and new construct. Once the instrumentation is determined to a relatively high degree

of certainty, the add-on construct is planned based on the surgical goals.

CD Horizon™ Spinal system Medtronic™ rod connectors (MRC) offer a wide range of connection

options to enable surgical goals through a variety of implants. This variety enables surgeons to plan

the appropriate addon construct. Once the add-on construct is chosen, select the CD Horizon™

Medtronic™ rod connector that is most appropriate to join the existing CD Horizon™ and

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CD Horizon™ Medtronic Rod

Connector Set Surgical Technique

M333023W555

supplementary constructs. The open side of the side-loading dominos, side-loading/top-loading,

and top-loading/top-loading and the lateral connectors will both accept a range of rod diameters to

accommodate many existing constructs. The ranges are listed below.

• 4.5mm MRC implants accept 4.0mm to 4.5mm rods

• 4.75mm top load implants accept 4.75mm

• 5.5mm/6.0mm top load implants accept 5.5/6.0mm rods*

• 5.5mm MRC titanium implants accept 4.75mm to 5.5mm

rods. The stainless-steel implants will accept 5.0mm

to 5.5mm rods.

• 5.5/6.0 side-loading/top implants accept

5.5mm to 6.0mm rods*

• 6.35mm MRC implants accept 6.0mm to 6.35mm rods

Care should be taken so the correct components are used

in the spinal construct. All parts and necessary instruments

should be present prior to surgery.

Implants

Closed/closed domino connector

The closed/closed domino connector may be used for extensions of a previous fusion or in multi-rod

long spinal

constructs)

compression between

domino connector allows a small offset

width clearance during construct assembly and the 5.5mm size titanium connectors can be used

with 4.75mm diameter

spinal construct.

instrumentation constructs. This includes primary cases with rigid double curves (4-rod

as well as revision cases that may involve smaller osteotomies where rotation and

portions of the spine may require variable displacement. The closed/closed

between the rods. The tear-drop shaped rod channels add

rods. Never use stainless steel and titanium implant components in the same