Vacuum indicator system that avoid release without the proper vacuum level

摘要

A device for storing and mixing bone cement components. The device includes a housing, a safety device, and a vacuum indicator. The housing defines a mixing chamber configured to store a first bone cement component therein. In a first safety position, the safety device prevents contact between the first bone cement component and a second bone cement component in the mixing chamber. In a second safety position, the safety device permits contact between the first and second bone cement components in the mixing chamber. The vacuum indicator restricts movement of the safety device from the first safety position to the second safety position when in a 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 a second vacuum indicator position.

主权项

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.