Prostate Biopsy Needle
Biopsy gun · Core biopsy needle · Automatic biopsy needle · Spring-loaded biopsy device · Tru-Cut needle · M-Biopsy
A spring-loaded handpiece with a long, thin needle marked in centimeters. The needle has two parts: a solid inner needle with a tapered tip and a notch near the end, and a hollow outer cutting needle around it. A safety lock keeps it from firing until it is ready.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Takes cores of prostatePROS-taytA walnut-sized gland below the bladder in males that surrounds the urethra and makes part of the fluid in semen.Full entry tissue. In a TRUS biopsy the needle goes through the probe's needle guide and across the rectalREK-tulRelating to the rectum, the last part of the large intestine; also, given or measured through the rectum.rect/o rectum, straight-al relating toFull entry wall; in a transperineal biopsy it goes through the perineumpair-ih-NEE-umThe area of skin and muscle between the genitals and the anus.perine/o perineumFull entry , often through the brachytherapybrak-ee-THAIR-uh-peeRadiation treatment in which a radioactive source is placed inside the body, in or right next to a tumor.brachy- short (a short distance)-therapy treatmentFull entry template grid. When fired, the inner needle jumps forward about 22 to 23 mm and the outer needle follows a split second later, cutting off the tissue that fell into the notch. The needle is withdrawn, the outer needle pulled back, and the core lifted out of the notch into a specimen container of formalinFOR-muh-linA solution of formaldehyde in water used to preserve tissue specimens for the pathology lab.Full entry . A standard template takes 12 cores (base, mid-gland and apex on each side).
Lengths and variants
Usually 18 gauge for prostatePROS-taytA walnut-sized gland below the bladder in males that surrounds the urethra and makes part of the fluid in semen.Full entry biopsy. Comes in different lengths (for example 20 and 25 cm) and throw lengths; disposable models are color coded by gauge.
What experienced techs know
What techs who reach for it every day know about it.Pro
Through the case
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- Before the case
Inspection and testing
What to check before it reaches the field.Pro
- During the case
Caution
What not to do with it, and why.Pro
- After the case
Care and reprocessing
How it is cleaned, checked and sent back to sterile.Pro
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5 sources
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 66 (Transrectal Ultrasound-Directed Prostate Biopsy), p. 526-528
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 67 (Transperineal Prostate Biopsy), p. 532
- Rothrock. Alexander's Care of the Patient in Surgery. 17th ed. Chapter 15 (Genitourinary Surgery), p. 483-484
- civco.com
- civco.com
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