• June 23, 2022

What is a guide wire assembly?

Medical technology allows surgeons to perform miracles by being able to perform complex procedures without opening the patient, reducing the risk of infection from exposure to air. By using devices created and patented by the steel industry, especially a helpful aid known as a guide wire assembly, they can manipulate life-saving devices throughout the vascular system with pinpoint precision, with much less stress on the human body. Also used in the robotics industry, these little constructs may seem fragile, but they can do just about anything a human mind can do.

What exactly is a guide wire?

In layman’s terms, it is essentially a long, straight spring, usually made of 316 stainless steel. It has diameters ranging from 0.25mm to any length needed, and will have one end made of a springy material, to create a usable tip. and flexible. They have been used for years in medicine to place medical devices such as cameras under the skin, to insert catheters, or to place stents in hearts.

Several years ago, experiments were conducted to create a network of these wires to facilitate microscopic surgical procedures, where the ultimate goal was to successfully use lasers, cameras, and other devices internally, without making more than a single incision in the body. These coiled wire networks are collectively known as a guidewire assembly and have saved countless lives by helping doctors perform life-saving operations without risking the possibility of infection in their high-risk patients.

Cable Assembly Construction

Most assemblies will consist of hypodermic tubing and coiled wires. There is an outer jacket of 316 stainless steel coiled wires known as interventional guidewire assemblies, surrounding a single length of coiled wire known as the access wire. The two assemblies can be made in any number of lengths and diameters, with specifications using inches for diameters and centimeters for lengths. This is done specifically so that the diameter of the wire can effectively correspond to the medical device being used with it, such as catheters, eliminating any chance of error in measurements.

The typical length of an access guide wire is usually 45 to 70 cm, and intervention cables will be longer than 150 to 260 cm, sometimes up to 500 cm, depending on the application requirements. Both assemblies can be made straight, curved, or hooked, depending on the application needed. By definition, the typical assembly will consist of a network of intervention cables, coated with PTFE for lubrication purposes, surrounding an access cable, to which ribbon cables are welded in order to handle it once it has reached its destination. provided. The core access cable carries the device and intervention cables take it there.

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