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Table of Contents
CORRESPONDENCE
Year : 2011  |  Volume : 27  |  Issue : 1  |  Page : 131-132

Defective spinal needle: Failure in piercing the skin during lumbar puncture


Department of Anaesthesia and ICU, Indira Gandhi Medical College Shimla, India

Date of Web Publication11-Feb-2011

Correspondence Address:
Surinder Singh
Department of Anaesthesia and ICU, Indira Gandhi Medical College Shimla
India
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Source of Support: None, Conflict of Interest: None


PMID: 21804732

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How to cite this article:
Singh S. Defective spinal needle: Failure in piercing the skin during lumbar puncture. J Anaesthesiol Clin Pharmacol 2011;27:131-2

How to cite this URL:
Singh S. Defective spinal needle: Failure in piercing the skin during lumbar puncture. J Anaesthesiol Clin Pharmacol [serial online] 2011 [cited 2020 Jul 15];27:131-2. Available from: http://www.joacp.org/text.asp?2011/27/1/131/76676

Sir,

Through this letter I wish to highlight a failure to pierce the skin with a defective single use Qiuncke type spinal needle. A standard and apparently normal looking 26 G x 9.0 mm Qiuncke type needle failed to pierce the skin despite use of moderate force in a 50 yr old patient posted for vaginal hysterectomy. The needle was replaced with another 26G needle of the same company and the lumber puncture was performed easily.

Careful naked eye examination of the first needle revealed slightly elevated tip of its stylet. Since this incidence occurred in multispeciality camp in a remote area of this mountainous state, we did not have microscopic equipment. However a digital photograph on magnification of image revealed that bevel of the stylet was rotated at 180 o , was facing the bevel of needle and was acting as a fork [Figure 1],[Figure 2]. Application of force was possibly further separating the needle from the stylet [Figure 3]. Deformed [1] and broken [2],[3] needles have been reported previously but this type of defect is a new experience. It is therefore suggested that in case of excessive resistance or grating feel while inserting a spinal needle, it should be minutely examined for any deformity of its stylet.
Figure 1 :Magnified photograph of the defective needle

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Figure 2 :Magnified backlit image of the needle clearly showing the defect

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Figure 3 :A drawing to illustrate that force to insert the needle was further separating the stylet from needle

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   References Top

1.Chesney MA, Brey SJ. Severe deformation of a small gauge spinal needle. Anesth Analg.1993;77:401-402.(s)  Back to cited text no. 1
    
2.Thomson AF, Nilsson CG. Broken small gauge spinal needle. Anesth Analg.1997;85:230-231.(s)  Back to cited text no. 2
    
3.Cruvinel MCG, Andrade AVC. Needle fracture during spinal puncture. Revista Brasileira de Anesthesiologia. 2004; 54 (6) 794-798.  Back to cited text no. 3
    


    Figures

  [Figure 1], [Figure 2], [Figure 3]


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