Introduction to GAIA NEXT Series Guidewires | ASAHI (Part 2)

Interventional guidewires play a pivotal role in the field of vascular intervention. A guidewire with good performance is one of the key factors for the success of interventional surgery. Interventional guidewires play the role of a "bridge" in interventional surgery. This issue will briefly introduce the vascular interventional guidewires of Asahi Intech, a leading guidewire manufacturer - GAIA NEXT 1/2/3 guidewires.

I. Introduction to GAIA series guidewires

Gaia series guidewires also belong to the Sion Tecc guidewire category, which mainly includes GAIA First/Second/Third and GAIA NEXT 1/2/3/4. Sion Tecc guidewires are the general name for the new ASAHI guidewire design with built-in ACT ONE. The tip of the core wire is about 10 microns thick. A small part (ACT ONE) is added to the tip of such a small core wire. This is the unique composite dual-core structure design of the guidewire. The new concept increases the infinite possibilities of guidewire control. Wherever your heart goes, it will follow you like a shadow.

The features of Sion Tecc guidewire are as follows:

1) Excellent head-end durability;

2) Balance the softness and controllability of the head end;

3) Jump-free torque transmission;

Figure 1. Schematic diagram of the Sion Tecc guidewire structure.

Figure 2. Schematic diagram of the common guidewire structure.

II. Detailed explanation of the GAIA series guide wire products

ASAHI Company has launched a series of Sion Tecc guide wire products. Today we mainly introduce the characteristics of the GAIA series guide wires-NEXT 1/2/3. The basic information of these three guide wires is as shown in the following table:

2.1 Structural composition

1) 0.014'' PTCA guidewire, with a tapered tip of 0.011-0.012'' outer diameter, high-strength stainless steel core wire + composite core (ACT ONE rope spring structure, round core wire structure) + XTRAND coil (a coil composed of 7 smaller wires); 15cm spring coil with a tapered guidewire tip, GAIA has a tiny pre-shaped tip, 1mm pre-shaped guidewire head; Gaia NEXT 4 does not have a core with a rope structure;

2) XTRAND coil: has better anti-sinking ability and lower guidewire damage risk, is safer, and has better guidewire durability;

3) Conical tip design: GAIA NEXT 1 tip outer diameter is 0.011'', GAIA NEXT 2 tip outer diameter is 0.012'', GAIA NEXT 3 tip outer diameter is 0.012'', GAIA NEXT 4 tip outer diameter is 0.013'';

4) Tip weight: GAIA NEXT 1 is 2g, GAIA NEXT 2 is 4g, GAIA NEXT 3 is 6g, GAIA NEXT 4 is 10g;

5) Torsion control performance: It has a nearly 1:1 torque control performance in stenotic lesions;

6) Length of imaging area: 15cm;

7) 190cm and 300cm working lengths are optional, with 1mm pre-shaped guide wire tip; the push rod is green in appearance and its surface is coated with PTFE;

2.2 Performance characteristics

A special guidewire with high maneuverability in CTO lesions, close to the ideal 1:1 torque response in occlusive lesions; compared with the Gaia family, Gaia NEXT has improved deflection control and direction control, which can control torsion more accurately performance.

Deflection Control/Direction Control Concept:

AWE, RWE--When the vessel condition is known, parallel guidewire technology focuses on precise control and navigation performance;

Gaia NEXT 1--Controllable visible CTO lesion navigation, flexible design to facilitate deflection control;

Gaia NEXT 2--Controllable CTO lesion penetration performance, designed for greater penetration and torque;?

Gaia NEXT 3--Higher penetration ability, controlled penetration ability;

Gaia NEXT4--Tip direction control to achieve very high penetration ability.

2.3? Usage skills

Direction control - change the route of the guidewire by rotating the tip to control the direction;

Deflection control - deflect to?track the guidewire inside the lesion;

The person operating the guidewire must accurately and control the movement of the guidewire and use slow rotation; when the blood vessel path is known, the guidewire slowly moves forward along the blood vessel path. When there is tactile feedback, when the guidewire is stuck on the hard When on a parenchymal plaque, the guidewire needs to be slightly withdrawn, then precisely rotated and deflected in the other direction, into a less stiff part, to gain more distal advancement distance;

Focus on precise control and navigation - direction and deflection combined with accuracy. Unlike traditional sliding and drilling techniques, a torquer is used to quickly rotate the guidewire. The GAIA conical tip design can easily create an entry path in hard calcified lesions and fibrous cap tissue. The traditional ball-shaped tip design is prone to slipping. Its conical tip has high penetration and high controllability of the tip, enabling multiple access methods in the blood vessels;

Counterclockwise rotation: "lock the coil" to obtain stronger torque, clockwise rotation: open the coil. Compared with single-wire coils, it has 2 times the tension and resistance while maintaining the flexibility required for deflection control, and the anti-tear design improves the durability of the guidewire when used in hard plaques;

Be careful not to use GAIA NEXT series guidewires when the CTO lesion is not clear.

III. Conclusion

Interventional guidewires are important tools for interventional doctors during surgery. The selection and correct operation of the guidewires largely determine whether the surgery can be successful.?

Dongguan Fortune Medical Technology Co., Ltd.

Fortune Medical provides professional design, development, and manufacturing solutions for interventional and implantable medical devices. We offer high-quality, traceable materials for interventional and implantable equipment, including implant-grade absorbable polymers, filaments, PET heat shrink tubing, implant-grade nitinol alloys, and more. Additionally, we provide custom machining services such as absorbable polymer molding and precision metal machining. We are committed to solving complex problems so that our medtech customers can bring innovative new products to the life sciences market and improve global healthcare.

Our company is located in Dongguan City, Guangdong Province, China. Situated in the scenic Greater Bay Area, Dongguan is known as the 'world's factory' with a highly developed industrial supply chain, enabling us to achieve fast delivery times. Fortune Medical collaborates with global medical device manufacturers to expedite the development of groundbreaking medical products, enhancing medical technology possibilities and improving global patient care. We are flexible to the needs of our customer and can support projects at any level, from initial concept to design, prototyping, and high-volume manufacturing.