Intro To Surgical Needles Flashcards
Which of the following is not a type of steel used in the construction of surgical needles?
- 300 Series Alloy
- 400 Series Alloy
- Carbon/Stainless Steel
- Surgalloy
Carbon/Stainless Steel
List each of the following is a performance characteristic of a surgical needle.
- Sharp enough to penetrate tissue with minimal resistance
- Carry the suture material through tissue with minimal trauma
- Rigid enough to resist bending
- Flexible enough to bend before breaking
- All of the above
All of the above
Surgical needles are composed of ……..and are coated with……
- Various metals, oils
- Stainless steel alloys, petroleum jelly
- Stainless steel alloys, silicone
- Aluminium, oils
Stainless steel alloys, silicone
Select answer that DOES NOT belong
Surgical needles must possess the following performance characteristics:
* The needle must carry the suture material through the tissue with minimal trauma
* The needle muse be sharp enough to penetrate tissue with minimal resistance
* The needle must break before bending
* The needle must be rigid enough to resist bending
The needle must break before bending
Identify with one that DOES NOT belong The three parts of a surgical needle are: * Point * Body * Swage * Radius
Radius
Needles are prepared for attachment to suture material in what ways? Check all that apply
- Hand lapped
- Channeled
- End drilled
- Swaged
Channeled
End drilled
A suture with a needle Swaged to both ends is referred to as:
- Looped
- Single Armed
- Double Armed
- Free Tie
Double Armed
If a surgeon needed to suture tissue deep in the pelvis where access was difficult and there was not much room to work in they would most likely select which shape?
- 3/8 Circle
- Straight
- 5/8 Circle
- Compound Curve
5/8 Circle
What is the measurement of a surgical needle from the point along the entire body of the needle to the Swage?
- Radius
- Chord length
- Needle length
- Diameter
Needle length
If a surgeon encountered a heavily plaqued blood vessel and needed an additional degree of sharpness vs a taper needle but didn’t want to use a cutting needle, what needle point would be a good selection?
- Blunt
- Taper cutting
- Side Cutting
- 5/8 Circle
Taper Cutting
For suturing tough tissue such as skin or tendons, the most likely needle point choice would be:
- Blunt
- Taper
- Cutting
- Side Cutting
Cutting
If a surgeon needed to select a needle to sew a relatively soft, easy to penetrate type of tissue such as bowel, what needle point would he likely choose?
- Cutting
- Taper Cutting
- Taper
- Side Cutting
Taper
Removable needles from Covidien are referred to as:
- D-Tach
- Lase Move
- Control Release
- Pop-Off
D-Tach
The three components of a surgical needle are:
- Diameter, chord length, needle length, radius
- Suture attachment, type of point, chord length, needle length
- Point, body, Swage
- Curvature, suture attachment, diameter, chord length
Point, body, Swage
………. Is Covidien’s proprietary needle coating technology.
- Stay sharp
- Multi-Pass
- NuCoat
- Easy Pass
NuCoat
Another tern for the diameter of a needle is:
- Body
- Mil
- Spectrum
- Gauge
Gauge
What are the two grades of steel alloy used to manufacture surgical needles?
420 and 455
Taper point needles are often used on soft, easily penetrated tissue? True or False
True
The design of spatula needles allows them to split rather than cut tissue? True or false?
True
When a needle is attached to both ends of a suture what is it called?
Double armed suture
The body of the needle is the portion that is grasped by the needle holder. True or false?
True
A____________has two opposing cutting edges with a third cutting edge on the inside apex.
- taper cutting needle
- reverse cutting needle
- premium reverse cutting needle
- conventional cutting needle
Conventional cutting needle
Chord length is:
- the distance measured along the needle itself from point to point.
- a partial circular measurement
- the straight distance from the point of a curved needle to the swage.
- the thickness of the needle wire
the straight distance from the point of a curved needle to the swage.
Removable needles must be cut and removed from the suture, true or false
False
A___________ needle is desirable in an intestinal anastomosis to prevent leakage, which can result in contamination of the abdominal cavity?
- taper point
- spatula
- taper cutting
- premium reverse cutting
Taper point
What are the three components of a surgical needle?
Point, body, swage
Needle length is:
The distance measured along the needle itself from point to end
What type of needle has a taper body with a rounded point and no cutting edge?
Blunt point
Another term for the diameter of a needle is a what?
Gauge
The difference between a regular reverse cutting needle and a premium reverse cutting needle is:
- manufacturing cost
- the inspection process
- honing
- all of the above
All of the above
