Patent ID: 9132235
Filing Date: 2015-09-15
Classification: A61M

Abstract:
1. A medicament delivery device, comprising: a body, comprising a housing and a medicament container holder configured for accommodating a multi-chamber medicament container, wherein the housing and medicament container holder are interactively connected to and movable relative each other, and the medicament container holder comprises an attachment device configured for attaching a delivery member; a mixing guard mechanism interactively connected to the body for driving the medicament container holder within the housing, thereby achieving a reconstitution; wherein the mixing guard mechanism comprises a mixing cylinder unit and a tubular medicament delivery member guard operably connected to the medicament container holder such that when the mixing cylinder unit is operated, the medicament container holder is moved in relation to the medicament delivery member guard between a pre-mix position, in which the attachment device protrudes through a proximal end of the medicament delivery member guard for allowing attachment of the delivery member, and a mixed position, in which the attachment device and attached delivery member are positioned within the medicament delivery member guard; and the mixing guard mechanism further comprises a guard lock and release member operably connected to the medicament delivery member guard and to the medicament container holder such that the guard lock and release member is configured to lock the medicament delivery member guard when the container holder is in the pre-mix position and to release the medicament delivery member guard when the container holder is moved to the mixed position.