The Secret Behind Ultra-Thin Needles!
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YouTubeTechWizards 2
The Secret Behind Ultra-Thin Needles!
Ever wondered how a syringe needle can have such a tiny hollow center? It’s not drilled with a microscopic drill. Needles actually start as hollow metal tubes several millimeters wide. Then they’re shrunk using a process called tube drawing, the metal is pulled through smaller and smaller dies, stretching and reducing the diameter each time ...
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Dr. Sakshi Patel | dentist 🦷 on Instagram: "Why should we perform DOUBLE ASPIRATION? 🦷💉 Before delivering local anesthesia, it is crucial to confirm that the needle tip is not inside a blood vessel 🩸❌ 🔬 Aspiration = gently pulling back the syringe plunger to check for blood. 🩸 If blood appears ➝ it indicates intravascular placement. ⚠️ Injecting anesthetic into a blood vessel may cause dizziness, palpitations, or systemic toxicity. 💡 Why DOUBLE aspiration? Blood vessels are small, elastic
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