Types of vacuum delivery suction-cup devices

Name	Size	Material
Soft cups (silicone or plastic)
Gentle Vac Bell	60 mm	Soft rubber
Kiwi ProCup Bell	65 mm	Soft plastic
Mityvac Bell	60 mm	Soft silicone
Secure Cup Mushroom/Discoid	63 mm	Rubber
Silc Cup	50-60 mm	Silicone rubber
Soft Touch Bell	60 mm	Soft polyethylene
Tender Touch Bell	60 mm	Soft silicone
Vac-U-Nate	65 mm	Soft silicone
Velvet Touch Bell	65 mm	Soft silicone
Rigid cups for occiput anterior position. All of the following cups are mushroom style.
Flex Cup	60 mm	Polyurethane
Kiwi OmniCup	50 mm	Rigid plastic
Malmström	40-60 mm	Metal
Mityvac "M" Style	50 mm	Rigid polyethylene
Rigid cups for occiput posterior position. All of the following cups are mushroom style.
Bird Posterior Cup	40-60 mm	Metal
Kiwi OmniCup	50 mm	Rigid plastic
Mityvac "M" Select	50 mm	Rigid polyethylene

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