Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Y4R2 - Obstetrics I 🤰 > L3: Ventouse > Flashcards

L3: Ventouse Flashcards

1
Q

Def of Ventouse

A
  • Instrument that applies traction on fetal head by a cup applied to fetal scalp (by creating -ve pressure → edema of scalp “Chignon” on which cup is adapted).
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

History of Ventouse

A
  • Original Malmstrom instruments (1956-1967) consist of vacuum bottle, metal cup & hand pump however, recently, vacuum extractors with malleable silicon cup & electric pump have become popular.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Composition of Ventouse

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Composition of Ventouse

  • Suction Cup
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Suction Cup

  • Size
A
  • 2 cm in depth with different diameters (3, 4, 5 or 6 cm).
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Suction Cup

  • Material
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Metal Suction Cup

  • Uses
A
  • large baby
  • large caput
  • if difficult delivery is anticipated.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Silicon Rubber Suction Cup

  • Uses
A
  • Associated with less scalp lacerations so, it is used in majority of situations however, it isn’t advisable in case of excessive caput.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Suction Cup

  • Knob
A

Modern cup is provided with knob that indicates position of occiput in pelvis during rotation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Composition of Ventouse

  • Suction Pump
A
  • May be electric or manual & it generates -ve pressure that is conducted to cup by rubber tubing.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Composition of Ventouse

  • Vacuum Bottle
A
  • Has 3 outlets (for tube of cup, suction pump & manometer graduated to 1 kg/cm2).
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Composition of Ventouse

  • Traction Piece
A
  • Formed of traction plate, traction chain & traction handle.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Parts of Ventouse (IMAGE)

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Indications of Ventouse

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

CI of Ventouse

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Prerequisities of Ventouse

17
Q

Technique of Ventouse

18
Q

Advantages of Ventouse

19
Q

Complications of Ventouse

20
Q

Complications of Ventouse

  • Maternal
21
Q

Complications of Ventouse

  • Fetal
22
Q

Def of Failed Ventouse

A

Failure of delivery of fetus with 3 pulls within 15 minutes from start of the procedure.

23
Q

Causes of Failed Ventouse

24
Q

Causes of Failed Ventouse

  • Maternal
A

Contracted pelvis.
Poor maternal effort.

25
Q

Causes of Failed Ventouse

  • Fetal Factors
A
  • Misdiagnosed position & attitude of head.
  • CPD.
  • High head.
26
Q

Causes of Failed Ventouse

  • iatrogenic
A
  • Failure to use proper instrument (silicone rubber cup fails with deflexion, excessive caput, large baby & prolonged 2nd stage).
  • Anterior or lateral placement of cup.
  • Traction in wrong direction.
27
Q

Management of Failed Ventouse

Y4R2 - Obstetrics I 🤰 (59 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions