Case study no.
Successful (S) Unsuccessful (U) AVB with Odon and mode of birth
Observation
Interviews Women Operator Midwife Interviews Women Operator Midwife Interviews Women Operator Midwife
Device issues
1 U – Forceps O1 W1 D1 M1
2 U – Forceps D2 M2
Fundal pressure during device application introduced Fundal pressure during device application introduced Fundal pressure during device application introduced Fundal pressure during device application introduced Fundal pressure during device application introduced Fundal pressure during device application introduced Fundal pressure during device application introduced
3
S – Odon
D2
M2 M3
Deflation of the air cuff when only part of the blue line was seen introduced Deflation of the air cuff when only part of the blue line was seen introduced Deflation of the air cuff when only part of the blue line was seen introduced Deflation of the air cuff when only part of the blue line was seen introduced Deflation of the air cuff when only part of the blue line was seen introduced Deflation of the air cuff when only part of the blue line was seen introduced Deflation of the air cuff when only part of the blue line was seen introduced
4 S – Odon D2 M4
5 U – Forceps D1 M2
6 S – Odon D2*
7 U – Forceps O2 W2 D1 M5 AD
Accidental pressing of the deflation button first noted Accidental pressing of the deflation button first noted Accidental pressing of the deflation button first noted Accidental pressing of the deflation button first noted Accidental pressing of the deflation button first noted Accidental pressing of the deflation button first noted Accidental pressing of the deflation button first noted
Altered the angle of device insertion Altered the angle of device insertion Altered the angle of device insertion Altered the angle of device insertion Altered the angle of device insertion Altered the angle of device insertion Altered the angle of device insertion
Application during a maternal contraction introduced Application during a maternal contraction introduced Application during a maternal contraction introduced Application during a maternal contraction introduced Application during a maternal contraction introduced Application during a maternal contraction introduced Application during a maternal contraction introduced
8 S – Odon O3 W3 D2 M6 AD
Opened the sleeve handles during descent to monitor progression of fetal head first noted Opened the sleeve handles during descent to monitor progression of fetal head first noted Opened the sleeve handles during descent to monitor progression of fetal head first noted Opened the sleeve handles during descent to monitor progression of fetal head first noted Opened the sleeve handles during descent to monitor progression of fetal head first noted Opened the sleeve handles during descent to monitor progression of fetal head first noted Opened the sleeve handles during descent to monitor progression of fetal head first noted
9 U – Forceps O4 W4 D1
10 S – Odon D2 M7
11 S – Odon O5 W5 D1 M8 AD
12 S – Odon O6 W6 D1 M9 AD
13 S – Odon O7 W7 D3 M2
14 U – Failed rotational forceps, emergency Caesarean section D1 M7 AD
15 U – Forceps D2 M4
16 U – Forceps O8 W8 D2 M10 IBP
17 S – Odon D1
18 S – Odon D3 M11
19 S – Odon D4 SST
20 U – Rotational forceps D4 IBP
21 U – emergency Caesarean section D3 M6
22 U – Forceps D4
23 U – Forceps D1 M6 IBP
24 S – Odon D1
25 U – Forceps D4
26 U – Forceps D4
27 S – Odon D1 AD
28 U – Forceps D1
29 S – Odon D5
30 U – Forceps D1
31 U – Forceps D4 IBP
32 U – Forceps D1
33 S – Odon D5
34 S – Odon D2
35 S – Odon D2
36 U – Forceps D4
Odon summit held Odon summit held Odon summit held Odon summit held Odon summit held Odon summit held Odon summit held
37 U – Forceps D1
38 S – Odon D4
39 S – Odon D4 M6
40 U – Forceps D3