A star is born! The first ever Terumo Standard Hydrophilic Nitinol Guide Wire M is launched in Japan and Asian markets.
The wire is made up of a one-piece core manufactured from an alloy of Nickel and Titanium (Nitinol) making it super elastic and helping to prevent problems such as kinking and coil separation (which sometimes occur with spring-structured guide wires). Coated with a polyurethane mixture and treated in a polymer moisture (Radifocus® Guide Wire M) bath, the wire becomes slippery when wet allowing smoother insertion into a vessel. The unique structure of the Terumo wire meant that for the first time, a guide wire was available that provided precise and atraumatic control (push & torque), offering much greater navigability and selectivity than ever before and also giving vital support to a catheter.
The Radifocus® Guide Wire M Standard type is introduced to the European markets
Terumo develops the Stiff type Guide Wire M
To facilitate navigation through the more difficult angular vessels, Terumo created the Stiff Guide Wire M. This new wire was based on the same construction as the Standard type Guide Wire M, but with a larger core diameter, thus stronger. This also means that the wire can be more easily tracked whilst navigating through a vessel.
The arrival of the Endoscopic Guide Wire
Interventional endoscopic procedures mean that an exchange wire must be used to ensure adequate support for the catheter. Based on this requirement, Terumo enlarged its product range again to include 400 and 450 cm endoscopic “plastic” type guide wires (covered with a polyurethane mixture).
The Radifocus® Guide Wire M with radiopaque tip marker appears
To allow smaller and more distal anatomies to be reached, Terumo expanded its range of guide wires further with the introduction of the Microvessel Guide Wire. This special range of guide wires is available with a choice of diameters of 0.011” / 0.28 mm, 0.016” / 0.41 mm, and 0.018” / 0.46 mm and also with an angled tip of either 45° or 70°. The addition of the angled tip provides the user with much better selectivity, even in the most tortuous vessels. As a result of the creation of the Microvessel wire, the road was open for the use of guide wires in neuroradiology procedures.
Terumo introduces the Radifocus® Guide Wire GT with Gold Coil
Specifically designed for more tortuous and challenging microvessel anatomies that require a high degree of selective navigation, the Radifocus® Guide Wire GT with Gold Coil was designed to provide both superior flexibility and distal selectivity. This new collection of guide wires with a gold coil was developed by Terumo with the assistance of Dr. Goto (hence GT).
The launch of the Crosswire®
Most coronary procedures require the use of a 0.014” / 0.36 mm stiff wire which supports PTCA balloon catheters (in particular monorail) and “rapid exchange” catheters. That’s why Terumo created the Crosswire® Nitinol 0.014” / 0.36 mm guide wire, which is particularly adapted to assist in coronary angioplasty.
Terumo creates the Crosswire® NT
The Crosswire® NT represented a revolution in the accomplishment of PTCA procedures. The Crosswire® NT is basically a 0.014” / 0.36 mm x 180 cm PTCA guide wire that allows smoother passage through narrow, tortuous, thrombotic, calcified and totally occluded lesions.
Terumo launches the Radifocus® Guide Wire M Shapeable type
In order to access more specific tortuous and complex vessel anatomies, it is now possible to shape the distal tip of the guide wire and to create the distal curve the most adapted to the vessels configuration.
Terumo creates a new guide wire: the Radifocus® Guide Wire M Half Stiff type
In collaboration with Dr. Amman Bolia, Terumo created the ideal guide wire to obtain superior push and trackability than a standard guide wire in specifically tortuous and difficult anatomies.
The 2 in 1! Terumo launches the hybrid technology with the Radifocus® Glidewire Advantage™
By associating the famous Terumo Nitinol hydrophilic structure distally with an extra stiff spiral PTFE coated proximal Nitinol shaft, Terumo creates the hybrid technology and an outstanding new generation of Super Stiff Guide Wires 0.035” / 0.89 mm to easier and atraumatically cross lesions whilst keeping efficient support and trackability, thus eliminating the need for multiple wire exchanges.
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