Surgery Lab

Question 1

List the braided absorbable suture material.

Answer 1

Polyglactin 910 - Vicryl Rapide

Polyglactin 910 - Vicryl

Polyglycolic Acid - Dexon

Question 2

List the monofilament absorbable suture materials.

Answer 2

Poligelcaprone 25 - Monocryl

Polygytone 6211 - Caprosyn

Glycomer 631 - Biosyn

Polyglyconate - Maxon

Polydioxanone - PDS

Question 3

What are the features of catgut?

Answer 3

Absorbable, twisted, short tensile strength

Can have unpredictable absorbability - no longer recommended.

Question 4

Polyglactin 910, AKA: ____.

Answer 4

Vicryl

Question 5

What are the features of polyglactin 910?

Answer 5

Absorbable - hyrolysis
Braided multifilment
Coated for handling (soft and pliable)
TS - Depends on type:
Vicryl Rapide - short duration (0% TS in 2 weeks)
Vicryl Plus - Intermediate
Vicryl - Intermediate (14-21 days)

Question 6

Polyglycolic acid, AKA: ____.

Answer 6

Dexon

Question 7

What are the features of polyglycolic acid

Answer 7

Absorbably - hydrolysis 
Braided multifilament
TS Intermediate (14-21 days)
\+/- coating
*rapidly degraded in infected urine*

Similar to Vicryl

Question 8

What are the features of vicryl rapide? What’s its most common application?

Answer 8

0% TS in 2 weeks

Used in dental surgery

Question 9

What are the features of Vicryl Plus?

Answer 9

Intermediate TS

It’s coated with an antimicrobial and can be used in infected wounds

Question 10

What are the features of Vicryl? What is a common application?

Answer 10

Intermediate TS
Rapidly degraded in infected urine.
Used in ophthalmic surgery.

Question 11

Poliglecaprone 25, AKA: ____.

Answer 11

Monocryl

Question 12

What are the features of poliglecaprone 25?

Answer 12

Absorbable - hydrolysis
TS Short (7-14 days)
+/- antimicrobial coating
Only use for non-infected tissues

Question 13

Polyglytone 6211, AKA: ___.

Answer 13

Caprosyn

Question 14

What are the features of polyglytone 6211?

Answer 14

Absorbable - hydrolysis
Monofilament
TS Intermediate (14-21 days)
Used for non-infected tissues (bladder/SC)

Question 15

Glycomer 631, AKA: ___.

Answer 15

Biosyn

Question 16

What are the features of glycomer 631?

Answer 16

Absorbable - hydrolysis
Monofilament
TS Intermediate (up to 21 days)
Many uses: enterotomy, cystotomy, body wall, SQ

Question 17

Polyglyconate, AKA: ___.

Answer 17

Maxon

Question 18

What are the features of polyglyconate?

Answer 18

Absorbable - hydrolysis
Monofilament
TS long (6 weeks)
Similar to Polydioxanone / PDS

Question 19

Polydioxanone, AKA: ___.

Answer 19

PDS

Question 20

What are the features of polydioxanone?

Answer 20

Absorbable - hydrolysis
Monofilament
TS long (6 weeks)
Similar to Polyglyconate / Maxon

Question 21

What are the features of stainless steel suture?

Answer 21

Non-absorbable
Monofilament OR Twisted Multifilament
TS Highest
Non-inflammatory
Uses: orthopedic, skin staples

Question 22

What are the features of silk suture?

Answer 22

Non-absorbable
Multifilament - braided
Very inflammatory
Excellent handling
Uses: CV surgery (inflammation reduces risk of recanalization)

Question 23

Polypropylene, AKA: ___.

Answer 23

Prolene

Question 24

What are the features of polypropylene suture?

Answer 24

Non-absorbable
Monofilament
TS Very high
Low tissue reactivity
Uses: (prolonged strength needed) Tendons, ligaments, joint capsules

Question 25

Nylon, AKA: ___.

Answer 25

Ethilon

Question 26

What are the features of Nylon suture?

Answer 26

Non-absorbable Monofilament TS High Uses: skin closure, orthopedic repair

Question 27

Polymerized Caprolactam, AKA: ___.

Answer 27

Vetafil

Question 28

What are the features of polymerized caprolactam suture?

Answer 28

non-absorbable Multifilament - twisted High tissue reactivity Uses: skin ONLY (implantation = fistulus tracks)

Question 29

Polyester, AKA: ___.

Answer 29

Ethibond

Question 30

What are the features of polyester suture?

Answer 30

``` Non-absorbable Multifilament - braided TS good High tissue reactivity Coated Poor knot security Uses: musculoskeletal surgery ``` **used to be used for CCL repairs - better options now**

Question 31

When are 3/8 circle suture needles most easy to use?

Answer 31

Superficial tissue

Question 32

When are 1/4 circle suture needles used?

Answer 32

Ophthalmic procedures

Question 33

When are 5/8 circle suture needles used?

Answer 33

Confined locations or deep tissue

Question 34

___ circle suture needs are utilized most commonly.

Answer 34

1/2

Question 35

What are the two types of suture attachments and what are features of each?

Answer 35

Swaged (eyeless) - single use, less tissue trauma Nonswaged (eye) - closed eye or ridge slit, reusable (needle dulls), suture attachment > needle width. More traumatic to tissues

Question 36

What are the features of taperpoint suture needles?

Answer 36

Fine point that spreads tissue during passage. Used in intestines, SQ, bladder. NOT used for skin

Question 37

What are the features of blunt point suture needles?

Answer 37

Dissects through friable tissue without cutting (liver, spleen)

Question 38

What are the features of cutting suture needles?

Answer 38

Cutting surface on the concave side of the needle - increases risk of "pull through"

Question 39

What are the features of reverse cutting suture needles?

Answer 39

Cutting surface on the convex side (less risk of pull through = less trauma to tissues) Used for skin.