Cook Medical G56202 Micropuncture Introducer Set Silhouette Transitionless

Cook Medical G56202 Micropuncture Introducer Set Silhouette Transitionless

• Model: G56202
• Needle: 21G x 7cm
• Catheter Length: 5 Fr OD x 10 cm
• Wire Guide Length: 0.018" Dia. x 40 cm

The Cook G56202 Micropuncture Introducer Set (Silhouette / Transitionless) is a finely engineered vascular access kit designed for minimally invasive entry into blood vessels with minimal trauma. Because the outer catheter is only 5 French and the needle is a delicate 21G, this kit allows clinicians to make an initial small access point, then sequentially upgrade to larger sheaths as needed. The transitionless tip design helps reduce the step-off between catheter and guidewire, smoothing the passage through tissue and vessel wall and reducing the chance of catching or tearing delicate structures.

One of the key features is the nitinol guidewire with a palladium (or radiopaque) tip, which offers excellent flexibility and kink resistance along with good visibility under imaging. The palladium or platinum‑enhanced tip allows fluoroscopic or radiographic visualization, which is critical when guiding devices in vascular interventions. The set includes all necessary components (needle, wire guide, coaxial catheter pair, and tray) to streamline the access step in a procedure. Because the needle is one piece without a baseplate, it may simplify manipulation in confined or angled anatomical regions.

In procedural workflow, the G56202 is particularly useful in “micropuncture first” techniques, where a small access is made and then upsized, helping reduce bleeding, vessel trauma, and complications associated with larger initial punctures. The transitionless tip design reduces the risk of catch or dissection as the components are advanced through tissue layers and vascular walls. As a sterile, single‑use device, it helps maintain procedural sterility and avoid the burdens of reprocessing. Overall, the G56202 offers a balance of minimal invasiveness, imaging compatibility, and procedural convenience in vascular access tasks.