Medicament delivery device

A medicament delivery device for a disposable container having at least one chamber for a liquid medicament encapsulated in the container by at least one movable plunger, the medicament delivery device being elongated along a longitudinal axis, having a proximal end and a distal end, and comprising:

• a plunger rod configured for contacting the at least one movable plunger;
• a drive mechanism configured for applying a force in a proximal direction via the plunger rod on the at least one movable plunger when the medicament delivery device is activated;
• a housing, comprising a proximal housing section configured for accommodating the disposable container and a distal housing section configured for accommodating the plunger rod and the drive mechanism;
• and
• a spinner rotatably arranged around the longitudinal axis and in relation to the plunger rod at a proximal end of the plunger rod, the spinner having an outer periphery provided with at least one recess or cut-out portion,
• wherein the plunger rod comprises an outer periphery having at least two axially separated recesses or cut-out portions configured for retaining liquid medicament that leaks along the plunger rod toward the drive mechanism.