EasyManua.ls Logo

Synthes MultiLoc Proximal Humeral Nail User Manual

Synthes MultiLoc Proximal Humeral Nail
60 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
MultiLoc Proximal Humeral Nail.
Proximal humeral nail with multiple
locking options for simple and complex
fractures.
Technique Guide

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Synthes MultiLoc Proximal Humeral Nail and is the answer not in the manual?

Synthes MultiLoc Proximal Humeral Nail Specifications

General IconGeneral
BrandSynthes
ModelMultiLoc Proximal Humeral Nail
CategoryMedical Equipment
LanguageEnglish

Summary

MultiLoc Proximal Humeral Nail Introduction

MultiLoc Screws Overview

Details the features of MultiLoc screws, including blunt tips, countersunk heads, and suture holes for rotator cuff attachment.

Nail Specifications and ASLS

Angular Stable Locking System (ASLS)

Explains the optional ASLS for improved fixation in poor bone quality.

Screw Configuration and Placement

Proximal Locking Screws

Details lateral (A, B, D) and anterior (C) screws for proximal stability and fixation.

Ascending and Distal Locking Screws

Describes ascending screw for calcar support and distal screws for reduced toggling.

AO Principles of Fracture Fixation

Four Core Principles

Outlines the four fundamental AO principles: Anatomic Reduction, Stable Fixation, Blood Supply Preservation, and Early Mobilization.

Indications for Use

Fracture Classification

Lists indications for the MultiLoc Proximal Humeral Nail: 2-part, 3-part, and 4-part fractures.

Clinical Case Examples

Case 1: 2-part Surgical Neck Fracture

Presents a case of a 78-year-old woman with a 2-part surgical neck fracture treated with an 8.0 mm nail.

Patient Positioning and Imaging

Patient Positioning Techniques

Describes positioning patients in beach chair or supine positions for optimal C-arm visualization.

Surgical Approach

Anterolateral Approach Steps

Details the anterolateral incision, deltoid muscle split, and caution regarding axillary nerve protection.

Opening the Humerus

Determining the Entry Point

Identifies the ideal entry point on the humeral head, considering the medullary canal alignment and acromion access.

Guide Rod Insertion

Details inserting the guide rod and making a longitudinal incision through the supraspinatus tendon.

Medullary Canal Opening Methods

Explains using hollow drill bits or a cannulated awl to open the medullary canal, with specific instructions.

Nail Insertion Procedure

Assembling Insertion Instruments

Guides on assembling the insertion handle, connecting screw, and combination wrench for nail insertion.

Advancing the Nail

Details advancing the nail into the medullary canal, monitoring passage, and verifying position to avoid impingement.

Nail Positioning and Aiming Arms

Lateral Aiming Arm Assembly

Instructions for attaching the lateral aiming arm to the insertion handle for screw placement.

Anterior Aiming Arm Assembly

Describes assembling the anterior aiming arm for anterior or ascending screw placement.

Determining Nail Insertion Depth

Determines nail insertion depth, ensuring the proximal end is below the cartilage for stability and to avoid impingement.

Ascending Screw (Level E) Positioning

Guides on positioning the nail for the ascending screw, aligning the aiming arm with the screw hole.

Proximal Locking with MultiLoc Screws

Screw Length Measurement

Guides on drilling and measuring screw length using a drill bit or depth probe, avoiding articular surface penetration.

Overdrilling in Hard Bone

Explains overdrilling the lateral cortex with a conical drill bit in hard bone to countersink the screw.

Inserting the MultiLoc Screw

Details inserting the MultiLoc screw using the screwdriver, ensuring proper countersinking and orientation for stability.

3.5 mm Locking Screw Attachment

Guides on attaching a centering sleeve for 3.5 mm locking screws when used with MultiLoc screws.

Proximal Locking with 3.5 mm Screws

Centering Sleeve Attachment

Details attaching centering sleeves and drill sleeves for 3.5 mm locking screw insertion.

3.5 mm Screw Length Measurement

Guides on drilling and measuring screw length for 3.5 mm locking screws using drill bits or depth probes.

Inserting 3.5 mm Locking Screws

Details inserting the 3.5 mm locking screw using a torque limiting attachment for proper seating.

Additional 3.5 mm Screw Insertion

Guides on inserting additional 3.5 mm locking screws and reassembling the lateral aiming arm.

Distal Locking Procedure

Trocar Assembly for Distal Locking

Details inserting the trocar assembly through the aiming arm for distal locking screw insertion.

Distal Screw Length Measurement

Guides on drilling through both cortices and measuring screw length for distal locking screws.

Ascending Screw (Level E) Warning

Provides warnings about protecting the axillary nerve and drilling for the ascending screw.

Depth Gauge for Distal Locking

Explains using a depth gauge for screw length determination in distal locking.

Inserting 4.0 mm Locking Screws

Details inserting the 4.0 mm locking screw using the StarDrive screwdriver.

End Cap Insertion

Determining End Cap Length

Guides on determining the correct end cap length using an end cap ruler to prevent bony ingrowth.

Aiming Arm/K-wire for Length Estimation

Describes an alternative method for estimating extension length using an aiming arm and K-wire.

Securing the End Cap

Details securely tightening the end cap using the StarDrive screwdriver, avoiding impingement.

Optional Suture Insertion

Explains optional suture placement for improved stability, attaching them to screw holes.

Optional Implant Removal

End Cap and Extraction Screw

Guides on removing the end cap using the StarDrive screwdriver and threading the extraction screw.

Removing 3.5 mm Locking Screws

Details removing all 3.5 mm locking screws using the screwdriver shaft and handle.

Removing MultiLoc and 4.0 mm Screws

Guides on removing MultiLoc screws and all 4.0 mm locking screws using appropriate drivers.

Nail Extraction

Describes removing the nail, ensuring all screws are removed, and using gentle hammer blows if needed.

Implant Product Details

Titanium MultiLoc Proximal Humeral Nails

Details titanium nails, material, diameters, color, length, and cross section.

4.5 mm Titanium MultiLoc Screws

Details 4.5 mm screws, material, drill size, color, dimensions, and features.

3.5 mm Titanium Locking Screws

Details 3.5 mm screws, material, drill size, color, dimensions, and features.

4.0 mm Titanium Locking Screws

Details 4.0 mm screws, material, drill size, color, dimensions, and features.

Titanium MultiLoc End Caps

Details end caps, material, color, and extension options.

Surgical Instrument Catalog

Awls, Drill Bits, and Sleeves

Lists instruments including cannulated awls, various drill bits, protection sleeves, and drill sleeves.

Trocars, Handles, and Aiming Arms

Lists instruments like trocars, handles, insertion handles, and aiming arms.

Extraction Tools and Screwdrivers

Lists extraction shafts, screwdrivers, depth gauges, and conical drill bits.

Centering Sleeves and Wrenches

Lists centering sleeves, StarDrive screwdrivers, protection sleeves, and combination wrenches.

Chuck, Torque Attachments, and Hammers

Lists universal chucks, torque limiting attachments, and combined hammers.

Kirschner Wires and Forceps

Lists Kirschner wires, drill bits, screwdriver shafts, and screw forceps.

Optional Surgical Instruments

Sterile Drill Bits and Guide Rods

Lists sterile versions of drill bits and guide rods for specific procedures.

Sterile Aiming Arm Knobs

Lists sterile aiming arm knobs and drill bits for specialized applications.

Instrument Set Contents

MultiLoc Proximal Humeral Nail Instrument Set

Lists all instruments included in the MultiLoc Proximal Humeral Nail Instrument Set (01.019.004).

Implant Set Contents

MultiLoc Proximal Humeral Nail Implant Set

Lists the implants included in the MultiLoc Proximal Humeral Nail Implant Set (01.019.005).

Product Configurations and Part Numbers

Nail and Screw Configurations

Details available MultiLoc nails, locking screws, and end caps with their part numbers.

Locking Screw and End Cap Options

Lists various lengths of 3.5mm and 4.5mm locking screws and end cap extensions.

Related product manuals