Sutures by Nicho

Question 1

Synthetic absorbable suture material how does it degrade itself

Answer 1

non enzymatic hydrolysis of ester bond in 60 days and then depending on the size of phagocytosis

Question 2

Multifilament properties for handling?

Answer 2

good

Question 3

Multifilament properties for knot security?

Answer 3

good

Question 4

Multifilament properties for capillarity?

Answer 4

increased capillarity

Question 5

Drag resistance in multifilament suture is high or low?

Answer 5

increased drag resistance when pulled through tissue

Question 6

Monofilament properties for handling?

Answer 6

Poorer handling higher memory and stiffness

Question 7

Monofilament properties for knot security?

Answer 7

Poor

Question 8

What is the risk of infection and reaction in monofilament?

Answer 8

Reduced risk of infection and tissue reaction

Question 9

Monofilament properties for tissue drag?

Answer 9

Lower tissue drag and stif cut end can cause less tissue irritation

Question 10

What is tensile strength?

Answer 10

The suture material’s tensile strength (TS) is the force that theuntied suture starnd can withstand before it breaks when the force is applied in the direction of its lenght

Question 11

Reapsorbtion time for polyglyconate (monosyn + maxon)

Answer 11

60-90 days

Question 12

Tensile strenght for polyglyconate?

Answer 12

Reduction 50% by 14 d
80% in 21 d

Question 13

Reapsorbtion time for Glycomer 631 (Biosyn?)

Answer 13

90-110

Question 14

Tensile strenght for Glycomer 631 (Biosyn)

Answer 14

*25% by 14 d

*60% by 21 d

Question 15

Reapsorbtion time for polyeglecaprone (monocryl)

Answer 15

90-120 days

Question 16

Tensile strenght for polyglecaprone

Answer 16

• 80% by 14 d
• 100% by 21 d

Question 17

Reapsorbtion time for Polydioxanone (PDS)

Answer 17

180 days

Question 18

Tensile strenght for polydioxanone (PDS)

Answer 18

*25% - 14 d
*30% at 28 d
*50% at 42 d

Question 19

Reapsorbtion time for Polyglyconate (maxon)

Answer 19

180 d

Question 20

Tensile strenght for polyglyconate (maxon)

Answer 20

*25% at 14 d
*50% at 28 d
*75% at 42 d

Question 21

Name the tensile strenght from strongest to weakest

Answer 21

Polydioxanone > polyglyconate > glycomer 631 > polyglyconate > polyglecapron

Question 22

is the polyglyconate stronger than polyglactin 910?

Answer 22

yes 3 times tronger

Question 23

Reapsorbtion time for polygalctin 910 (Vicryl)

Answer 23

56-70 d

Question 24

Tensile strenght for polyglactin 910?

Answer 24

*25% by 14 d
*50% by 21 d
*100% by 35d

Question 25

Reapsorbtion time for braided lactomer (polysorb)?

Answer 25

56-70 d

Question 26

Tensile strenght for braided lactomer (polysorb)?

Answer 26

*80% by 14 d
*30 d at 21 d
biomechanically superior to polyglactin 91

Question 27

Needle taper point is indicated for which tissue?

Answer 27

muscle or viscera

Question 28

Answer 28

Figure 16-2. Various points and shaft designs of surgical needles. (A) Taperpoint; (B) tapercut; (C) regular cutting; (D) reverse cutting; (E) spatula point; (F) blunt point.

Question 29

Cutting needle is indicated for which tissue?

Answer 29

skin tendon fascia

Question 30

Taper cut is indicated for which tissue?

Answer 30

opthalmic

Question 31

Blunt point is indicated for which tissue?

Answer 31

parenchyma (kidney and liver)

Question 32

Reapsorbtion time for polyglycolic acid (dexon, safil))?

Answer 32

60-90d

Question 33

Tensile strenght for polyglycolic acid (dexon, safil)?

Answer 33

reduction by 35% at 14 d
*65% at 21 d

Question 34

Answer 34