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What is For what procedure is the instrument depicted in the diagram used? and explain in detail?
Ans. a. Bone marrow biopsy (Ref: Dacie Practical Hematology W/e p163)The given diagram shows various types of bone marrow biopsy needles.Bone Marrow Biopsy NeedlesNeedles most commonly used for obtaining bone marrow aspirates from sternum are Salah, Klima & Jamshidi needlesQ.Salah NeedleKlima NeedleJamshidi Needle* Salah sternal puncture needle is a wide-bore needle for obtaining samples of red marrow from sternum.* The needle is advanced into the marrow cavity with the stylet locked in place.* The stylet is then removed and a syringe used to aspirate the marrow.* The stylet is in place for advancement through soft tissue and cortex.* On reaching marrow, the needle is advanced without the stylet to create a core sample.* The probe (hooked) is used to expel the sample into formalin.