Patent attributes
A valve-actuated suction apparatus includes an anchor member having a base seal member and a stem formed with a vent port. A plunger valve is slidably disposed in the vent port and is slidable between closed and open positions. The plunger valve has a plunger head and first and second valve stem sections respectively disposed in first and second vent port sections when the plunger valve is closed. The first valve stem section includes a valve stem stabilizer and an air bypass neck. The valve stem stabilizer controls and limits plunger valve movement within the first vent port section and the valve stem air bypass neck channels air through the second vent port section. The second valve stem section includes a vent port stopper that may be configured in various ways to plug the second vent port section when the plunger valve is closed.