needles Flashcards
1
Q
what is a trocar needle?
A
- sharp-pointed needle containing a canulla
- used to puncture the wall of a body cavity and withdraw fluid or introduce an endoscope
2
Q
what is a butterfly needle?
A
- used to draw blood or administer medications through the venous system
- aka winged infusion set and scalp vein set
- needle is attached to tubing that contiain luer lock
- allow syringe to be twisted on
3
Q
what is a spinal needle (quince)?
A
- used for lumbar puncure of spinal anethesia or diagnostic puncture of spinal canal
- contains a quinche tip with double bevel
- smooth needle surfase that guides for percise application, flexibility, and atraumatic puncture
contains mandrel grip that is colour-coded according to size of needle
4
Q
what is a spinal needle manufactured from?
A
- high-quality steel, with a thin-walled cannula
5
Q
what is a co-axial needle?
A
- biopsy needle that permits repeated tissue saples through an outer, larger needle that remains in place
- semi-automatic biopsy gun
- placement of guide needle into position near or within a mass
6
Q
what is a chiba needle?
A
- one of the most used biopsy enedles
- 2-part hollow needle with a beveled tip angles at 30 degrees
- contains inner stylet that is removable
- allows for superior steering
- 18-22G
- used for aspiration
7
Q
A
trocar needle
8
Q
A
guide wire
9
Q
A
chiba needle
10
Q
A
co-axial
11
Q
A
butterfly needle
12
Q
A
spinal needle or quinache
