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September 10, 2025Regional Anesthesia The Journal of Neural Blockade in Obstetrics Surgery & Pain Control

Microscopic Analysis of the Tips of Thin Spinal Needles After Subarachnoid Puncture

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Authors

PRPer H. RosenbergUniversity of Applied Sciences Wedel MPMikko PitkänenInvalidisäätiö PHPertti HakalaUniversity of Helsinki

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Implication

Microscopic analysis revealed varying fluorescence and tissue attachment on different spinal needles, indicating better performance of the pencil point type.

Key Points

Microscopy findings indicated that the pencil point needle had the least distortion and foreign material adherence.
Only one two-zone bevel needle and two pencil point needles were free of attachments, while others showed fluorescence.
Of the needle types examined, bent tips were most common in the two-zone bevel category.
Clusters of cells were found in smears from the Quincke and two-zone bevel needles but were minimal in the pencil point group.

Cite This Study

Rosenberg et al. (1996) studied this question.

synapsesocial.com/papers/68c19ab49b7b07f3a061c9a7 https://doi.org/10.1136/rapm-00115550-199621010-00007

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Implication

Microscopic analysis revealed varying fluorescence and tissue attachment on different spinal needles, indicating better performance of the pencil point type.

Microscopic Analysis of the Tips of Thin Spinal Needles After Subarachnoid Puncture

Discussion

Member takes

Implication

Key Points

Cite This Study

Microscopic Analysis of the Tips of Thin Spinal Needles After Subarachnoid Puncture

Discussion

Member takes

Implication

Key Points

Cite This Study

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