Patent ID: 9549770
Date: 2017-01-24
CPC Classifications: A61B,B01F

Claim:
1. A device for storing and mixing bone cement components comprising: a housing defining a mixing chamber configured to store a first bone cement component therein; a safety device movable between a first safety position and a second safety position, in the first safety position the safety device restricts contact between the first bone cement component and a second bone cement component in the mixing chamber, in the second safety position the safety device permits contact between the first and second bone cement components in the mixing chamber; and a vacuum indicator configured to move from a first vacuum indicator position to a second vacuum indicator position when pressure within the mixing chamber falls below a threshold value, the vacuum indicator couples with the safety device to restrict movement of the safety device from the first safety position to the second safety position when in the first vacuum indicator position, the vacuum indicator permits movement of the safety device from the first safety position to the second safety position when in the second vacuum indicator position.