Suture Materials and Techniques in Veterinary Surgery
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Dr. Archana Kumari
Asstt. Professor cum Junior Scientist
Veterinary Surgery and Radiology
BVC, BASU, Patna
S
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U
U
T
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U
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R
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E
E
M
M
A
A
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T
E
E
R
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I
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A
L
L
Polydioxanone
•
It is synthetic monofilament polymer of paradioxanone.
•
It is sterlised by by ethylene polyglactin 910.
•
It is absorbed by hydrolysis
•
Absorption time 91 to 182 days.
•
On relative basis catgut loses its strength on 7 day, polyglactin at 10-19th
day and polydioxanone at 20th day.
Polydioxanone
Non absorbable
(
Organic suture material)
S
i
l
k
:
•
Obatined from the cocoon of the silk worm.
•
Dyed with the vegetable dye .
•
Its natural capillarity is decreased by treating it with oil, waxor silicone
•
And it is available as monofilament and braided multifilament.
•
Sterlised by autoclaving, binds with gammaglobulin leads to acute inflammation may cause
ulceration in the GIT.
•
May act as nidus for calculus formation in the urinary bladder and gall bladder.
C
o
t
t
o
n
:
•
Less tissue reaction than silk.
•
Capillary in action
S
i
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k
w
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:
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It is smooth ,strong , non capillary and useful for cutaneous suture.
•
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H
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:
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It is cheap , non-capillary ,flexible and is easily sterlised .
•
It causes little tissue reaction.
•
L
i
n
e
n
:
•
It is capillary in nature and produces more tissue reaction than cotton and
silk.
•
U
m
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i
c
a
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T
a
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:
•
Cotton tape suture is about 1/4 cm wide and most often used to tie the
umblical cord of the new born or as vulvar suture in cases of prolpse of
vagina or uterus.
•
D
e
r
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:
•
N
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s
.
Inorganic suture material
M
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t
a
l
i
c
s
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t
u
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e
:
•
Wire of different metals like tatntalum ,silver ,copper, aluminium,
vitallium(stainless steel).
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c
l
i
p
s
(
w
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d
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)
:
•
They hold the skin in opposition over flat surfaces.
•
They causes less scarring.
P
i
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s
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e
:
•
Ordinary pins can be used for keeping the skin edges together.
W
i
r
e
m
e
s
h
:
•
Tantalum and srainless steel mesh are used to cover defects in the abdominal
wall in cases of hernia or injury.
M
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S
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m
a
t
e
r
i
a
l
•
N
y
l
o
n
:
•
Obtained from hexamethylene diamine and adipic acid.
•
It is biologically inert and may be monofilament or mulifilament, and former is non-capillary.
•
It stimulates minimal tissue reaction .
•
It is not used within serous or synovial cavity because cut sharp ends can cause trauma due
to friction .
•
I
t
h
a
s
p
o
o
r
h
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.
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P
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F
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S
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P
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V
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N
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N
N
a
a
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u
u
r
r
a
a
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l
•
Absorbable
Non absorbable
•
catgut • Silk worm gut
•
Chromic • Silk
•
catgut
Cotton
•
Collagen
•
Fascia lata
•
Beef tendon
A
A
b
b
s
s
o
o
r
r
b
b
a
a
b
b
l
l
e
e
N
N
o
o
n
n
A
A
b
b
s
s
o
o
r
r
b
b
a
a
b
b
l
l
e
e
Polyglycolic acid
Nylone
Polyglactic acid
Polypropyline
Polyglactin(vicryl)
Polysters
Polydioxanone(PDS
Polyethelene
•
SS(stainless steel)
•
Tantalum
•
Silver
•
Gold
•
Aluminium
M
o
n
o
f
i
l
a
m
e
n
t
A
b
s
o
r
b
a
b
l
e
•
Catgut
•
Chromic catgut
•
Vicryl
•
PDS
Non-absorbable
•
Polyoropylene
•
Polyester
•
Nylone
•
Polyvenyleidenefluoride
/PVDF
•
suture
M
o
n
o
f
i
l
a
m
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M
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a
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m
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t
i
f
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m
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n
t
Monofilament
•
Has no capillary action
•
Less infection risk
•
Smooth tissue passage
•
Higher tensile strength
•
More throws required
Multifilament
•
Has capillary action
•
Increased infection risk
•
Less smooth passage
•
Less tensile strength
•
Better knot securit
y
Absorbable vs Non absorbable
A
b
s
o
r
b
a
b
l
e
•
Degraded by enzymes
,hydrolysis or
phagocytosis
•
Used to hold the edges in
approximation temporarily
until the wound is heal
N
o
n
a
b
s
o
r
b
a
b
l
e
•
Encapsulated or walled
off by fibrosis
•
Used to suture at sites
where tensile strength need
to be maintained
S
e
l
e
c
t
i
o
n
o
f
s
u
t
u
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e
m
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s
Explore the various suture materials like Polydioxanone, Silk, Horse hair, Linen, and Inorganic materials used in veterinary surgery. Understand their characteristics, absorption times, and potential applications, along with different suturing techniques employed for different surgical procedures.
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Presentation Transcript
SUTURE MATERIAL AND SUTURING TECHNIQUES -IV Dr. Archana Kumari Asstt. Professor cum Junior Scientist Veterinary Surgery and Radiology BVC, BASU, Patna
Polydioxanone It is synthetic monofilament polymer of paradioxanone. It is sterlised by by ethylene polyglactin 910. It is absorbed by hydrolysis Absorption time 91 to 182 days. On relative basis catgut loses its strength on 7 day, polyglactin at 10-19th day and polydioxanone at 20th day.
Non absorbable (Organic suture material) Silk: Obatined from the cocoon of the silk worm. Dyed with the vegetable dye . Its natural capillarity is decreased by treating it with oil, waxor silicone And it is available as monofilament and braided multifilament. Sterlised by autoclaving, binds with gammaglobulin leads to acute inflammation may cause ulceration in the GIT. May act as nidus for calculus formation in the urinary bladder and gall bladder. Cotton: Less tissue reaction than silk. Capillary in action Silk worm gut: It is smooth ,strong , non capillary and useful for cutaneous suture. It is available in fine , medium, and coarse size 30 to 40 cm length
Horse hair : It is cheap , non-capillary ,flexible and is easily sterlised . It causes little tissue reaction. Linen: It is capillary in nature and produces more tissue reaction than cotton and silk. Umblical Tape: Cotton tape suture is about 1/4 cm wide and most often used to tie the umblical cord of the new born or as vulvar suture in cases of prolpse of vagina or uterus. Dermal suture : Non absorbable silk coated with tanned gelatin or other protein substances.
Inorganic suture material Mettalic suture : Wire of different metals like tatntalum ,silver ,copper, aluminium, vitallium(stainless steel). Metal clips (wound clips): They hold the skin in opposition over flat surfaces. They causes less scarring. Pin suture : Ordinary pins can be used for keeping the skin edges together. Wire mesh: Tantalum and srainless steel mesh are used to cover defects in the abdominal wall in cases of hernia or injury.
Synthetic suture material Nylon: Obtained from hexamethylene diamine and adipic acid. It is biologically inert and may be monofilament or mulifilament, and former is non-capillary. It stimulates minimal tissue reaction . It is not used within serous or synovial cavity because cut sharp ends can cause trauma due to friction . It has poor handling characteristics and knot security. Polyster Fiber Synthetic mesh Terelene Synthetic mesh Polybutester Surgilene Vetafil
Natural Absorbable Non absorbable catgut Silk worm gut Chromic Silk catgut Cotton Collagen Fascia lata Beef tendon
Synthetic Absorbable Non Absorbable Polyglycolic acid Nylone Polyglactic acid Polypropyline Polyglactin(vicryl) Polysters Polydioxanone(PDS Polyethelene
Metallic SS(stainless steel) Tantalum Silver Gold Aluminium
Monofilament Non-absorbable Polyoropylene Polyester Nylone Polyvenyleidenefluoride /PVDF suture Absorbable Catgut Chromic catgut Vicryl PDS
Monofilament vs multifilment Monofilament Has no capillary action Less infection risk Smooth tissue passage Higher tensile strength More throws required Multifilament Has capillary action Increased infection risk Less smooth passage Less tensile strength Better knot security
Absorbable vs Non absorbable Absorbable Degraded by enzymes ,hydrolysis or phagocytosis Used to hold the edges in approximation temporarily until the wound is heal Non absorbable Encapsulated or walled off by fibrosis Used to suture at sites where tensile strength need to be maintained
Selection of suture materials Condition of the wound. Tissues to be repaired. Tensile strength. Knot holding characteristics. Reaction of surrounding tissues.
