Difference between revisions of "SPINE INJECTION-NEEDLE ADVANCEMENT"

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===== [[Summary Article|'''SUMMARY''']] =====
===== [[Summary Article|'''SUMMARY''']] =====
1. As a needle advances toward a target starting with an oblique projection, its trajectory can be broken into two predominant vectors: medial and ventral.
1. As a needle advances toward a target starting with an oblique projection, its trajectory can be broken into two predominant vectors: medial and ventral.
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<br/>2. After a needle is embedded in a tissue and on its given path, placing the notch laterally will drive the needle tip <i>medially.</i>
<br/>2. After a needle is embedded in a tissue and on its given path, placing the notch laterally will drive the needle tip <i>medially.</i>
<br/>[[Image:paste-e63f8e26d081f2be583d8bdcbc29c2d9eb8c8c40.jpg]]
<br/>[[Image:paste-e63f8e26d081f2be583d8bdcbc29c2d9eb8c8c40.jpg]]
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Latest revision as of 09:55, 25 July 2023

SUMMARY

1. As a needle advances toward a target starting with an oblique projection, its trajectory can be broken into two predominant vectors: medial and ventral.

2. After a needle is embedded in a tissue and on its given path, placing the notch laterally will drive the needle tip medially.
Paste-e63f8e26d081f2be583d8bdcbc29c2d9eb8c8c40.jpg

3. Placing the notch medially will drive the needle tip ventrally.
Paste-b85dac086327757c53bc2c26b1c30197d798cb99.jpg

4. if a needle trajectory is less oblique and more perpendicular to the skin surface (Fig. 2.11), then a lateral needle tip movement can be achieved.

Images: Furman, Michael B., and Leland Berkwits. Atlas of Image-Guided Spinal Procedures. Elsevier, Inc, 2017.


Reference(s)

Furman, Michael B., and Leland Berkwits. Atlas of Image-Guided Spinal Procedures. Elsevier, Inc, 2017.
Horowitz AL. MRI Physics for Physicians. Springer Science & Business Media. (1989) ISBN:1468403338.
Mangrum W, Christianson K, Duncan S et-al. Duke Review of MRI Principles. Mosby. (2012) ISBN:1455700843.