Wewei Tech: PtIr Imaging Ring—The "Golden Milestone" of Minimally Invasive Intervention
Time:
2025-11-14 23:36
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In the field of modern medicine, minimally invasive interventional therapy is profoundly transforming disease diagnosis and treatment due to its advantages of minimal trauma and rapid recovery. When doctors guide fine, hair-thin instruments into deep blood vessels or cavities of the human body under X-ray guidance, how do they ensure every step is precise and error-free? Behind this, a critical component known as the "PtIr radiopaque ring" plays an indispensable role.
What is a platinum-iridium developing ring?
Simply put, the platinum-iridium radiopaque ring is a tiny metal ring made of platinum-iridium alloy, typically precisely embedded at specific locations of interventional devices such as vascular stents, catheters, and balloons. It is not an independent therapeutic tool but rather serves as the "navigational eye" and "positioning device" of the instrument.
Why "platinum-iridium alloy"?
The choice of platinum-iridium alloy as a developing material is based on its three unparalleled superior characteristics:
- Extreme X-ray opacity: Both platinum and iridium are rare metals with extremely high densities, capable of strongly absorbing and blocking X-rays. On the fluoroscopic screen, while surrounding tissues appear in dull tones, the platinum-iridium contrast ring forms clear, bright non-transparent markers—like lighthouses in the dark—providing doctors with highly conspicuous visual references.```.
- Top-tier biocompatibility and safety: Platinum group metals are renowned for their extremely stable chemical properties, corrosion resistance, and absence of toxic side effects. Once implanted in the human body, they do not trigger rejection reactions or tissue toxicity, ensuring long-term safe presence within the body and guaranteeing the enduring safety of the device.
- Excellent Mechanical Properties: Pure platinum has relatively soft texture, while the platinum-iridium alloy formed by adding iridium significantly enhances hardness, strength, and wear resistance while maintaining superior biocompatibility. This ensures the imaging ring remains highly reliable and resistant to damage during the complex delivery and deployment processes of medical devices.
The core application value of platinum-iridium imaging rings
During the surgery, the doctor can accurately determine by observing the relative positions of two or more platinum-iridium radiopaque rings:
- Real-time position of the instrument: Confirm whether the instrument has reached the target lesion area.
- The morphology and status of the device: For example, whether the stent is fully deployed and whether the balloon is accurately positioned at the stenotic segment.
- Relationship with anatomical structures: Ensure that the instruments do not enter branches or critical collateral vessels.
This precise positioning capability significantly enhances the success rate and safety of surgeries, effectively preventing complications caused by unclear positioning.
Every tiny PtIr imaging ring embodies a solemn commitment to life and health. Through exquisite craftsmanship and stringent quality control, Shanghai Wewei Technology ensures that each imaging ring delivers exceptional imaging performance and impeccable reliability. This minuscule "golden milestone" is not only a microcosm of modern medicine's precision but also a steadfast mark safeguarding human health.
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