10 Things to Consider When Buying Hydrophilic urinary guidewire

Catheter material

The function of the core material is to create a hose with a cavity that can drain the urine. Indwelling catheters are available in several different materials. Today latex and silicone are the most commonly used materials. Each have pros and cons and it is important to choose the right material for each individual patient. Silicone is a firmer material than latex, and allows for a larger inner lumen while keeping the outer diameter the same size.

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Coatings

There are different coatings on the core catheter material available on the market today. They might serve different purposes: to either protect the patient against the core latex material, to ease handling and provide more comfort, or to protect against infections.

Protect against latex – Silicone elastomer and PTFE

Latex catheters can be coated with a thin layer of silicone or teflon to protect the patient’s tissue against latex.

Better comfort – Hydrophilic coating

Catheters with hydrophilic coating are highly biocompatible and have lower friction which provides better comfort for the patient. The hydrophilic coating also protects the tissue against latex.

Infection prevention – Bactiguard infection protection technology

Bactiguard’s infection prevention technology, BIP, is based on a very thin noble metal alloy coating consisting of gold, silver, and palladium, firmly attached to the urinary catheter. When in contact with fluid (urine), the noble metals create a galvanic effect. The microcurrents that occur reduce microbial adhesion, which decreases the risk of biofilm formation leading to urinary tract infection.

Catheter size

The outer diameter of the catheter is measured in Charrière (Ch) also known as French Gauge (Fr). A catheter with a large diameter can expose the mucosa of the urethra to too much pressure, resulting in tissue damage. If the diameter on the other hand is too small, it will take too long for the urine to exit which increases the risk for catheter blockage.

A general rule of thumb is to use the smallest possible catheter that will do the job.

Tip design

Urinary catheters are available with different tip designs. The most used tip for routine catheterization is the Nelaton tip which is round with two drainage eyes. Due to the challenging curvature of the male urethra, a catheter with a curved tip can be used to ease insertion; this type is called a Tiemann tip and is the second most common.

Catheter valve

When the urine can be stored in the bladder, a catheter valve can be connected to the catheter. The valve is opened on a regular basis to empty the bladder. By using a valve, a drainage bag is not needed which might be more comfortable. A catheter valve also offers a potential for maintaining certain bladder functions and tone by allowing the bladder to fill and empty regularly.

Drainage bag

When the urine can’t be stored in the bladder, a drainage bag is recommended where the urine is collected. A drainable bag postpones bacterial invasion. There are a large variety of sizes of bags and lengths of tubes available. At daytime, a drainage bag of approximately 500 ml can be recommended and at nighttime a larger one is preferred. Drainage bags should be appropriately fixated on the leg of the patient or another adequate location.

Reflect on the purpose of the catheter treatment. Can the urine be stored in the bladder?

Special catheters

There are also a series of special catheters of which the following are the most commonly available.

Amplatz Super Stiff™ Guidewire

Boston Scientific's Amplatz Guidewire is a stainless steel wire with a flat-wire coil and PTFE coating. It is available in a variety of diameters and tip configurations to fit your preferences, your patients, and your procedures, designed so you can confidently straighten tortuous anatomies1 and deliver heavier instruments.2

Amplatz Super Stiff™ Guidewire

Provides extra strength and stability during catheter placement and exchange during contralateral access and in carotid procedures.

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CHOICE™ PT Extra Support Guidewire

Provides excellent access with a high level of support designed for easier device delivery in highly resistant lesions and extra support cases.

FORTÉ™ Floppy Guidewire and Marker Wire

FORTÉ Floppy Guidewire and Marker Wire is designed to provide enhanced steering for frontline cases with a soft tip, silicone coating and unibody stainless steel core. FORTÉ Floppy Marker integrates a precise lesion measurement system without compromising performance.

Hydra Jagwire™ High Performance Guidewire

The Hydra Jagwire Guidewire offers two tips on a single guidewire - a 10cm and a 5cm hydrophilic tip - giving physicians the ability to work with one or both. The 10cm hydrophilic Dream Tip™ End is designed for soft, smooth access. Its Endo-Glide™ Coating promotes smooth tracking and enhances tactile sensation.

Jagwire™ High Performance Guidewire

The Jagwire High Performance Guidewire has a 5cm hydrophilic tip to help facilitate selective cannulation and negotiation of difficult anatomy.

Jagwire™ Revolution High Performance Guidewire

The Jagwire Revolution High Performance Guidewire is a versatile .025” guidewire engineered to have the stiffness and pushability that you would expect in our Jagwire .035’’ guidewire combined with both access and exchange characteristics to help improve cannulation success in challenging anatomy.

Meier™ Guidewire

Super stiff support for strength and stability when placing large devices such as thoracic sheaths and in AAA procedures.

NaviPro™ Hydrophilic Guidewire

The NaviPro Hydrophilic Guidewire is a 100 percent hydrophilic guidewire designed for cannulation and smooth passage through tortuous anatomy.

NovaGold™ High Performance Guidewire

The NovaGold High Performance Guidewire is an .018” guidewire that provides a Triton™ Alloy Core for durability and a radiopaque tip for visibility.

PT²™ Light Support Guidewire

A resilient yet flexible guidewire designed to help navigate in cases of tortuous anatomy and highly resistant lesions.

PT²™ Moderate Support Guidewire

Offers increased resiliency with the ability to help steer and deliver devices in tortuous anatomy and highly resistant lesions.

SAVION™ Guidewires SAVION FLX & SAVION DLVR

Building on Trusted Technology.
Savion Guidewires exhibit attributes ideally matched for BTK interventions to help you treat complex lesions successfully and restore blood flow to the leg.

Sensor™ Nitinol Guidewire
with Hydrophilic Tip

The gold standard in guidewires. The global market leader for over two decades, Sensor Guidewire remains the preferred hybrid wire technology for kidney stone procedures.1

SENTAI™ Guidewires

Our line of SENTAI guidewires is designed with our customers’ most important performance requirements in mind; to provide physicians with the tools to successfully treat the simplest to most complex patients.

Zebra™ Guidewire

The guidewire that shows you the way. Nitinol wire with striped jacket designed to provide excellent visual feedback and handling.

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