SPACER UNIT FOR DRUG DELIVERY SYSTEM Russian patent published in 2021 - IPC A61M5/315 

FIELD: medical equipment.

SUBSTANCE: invention refers to drug delivery systems. Drug delivery system comprises container including cover and plug (434), made with possibility of movement inside container from position before use to position after use. System includes drive assembly configured to move plug (434) between first and second positions, and spacer assembly (430), which is engaged with plug (434), made with possibility of engagement by drive unit. Spacer assembly (430) includes a first spacer portion (432) placed inside plug (434), a second spacer portion (438) spaced from the first strut portion, inner plunger (436) and brace (440) of the spreader fitted in inner plunger (436). Inner plunger (436), brace (440) and second portion (438) are movable relative to plug (434), wherein the movement of the second spreader portion (438) is limited by spacer shuttle (440), movement of brace shuttle (440) is limited by inner plunger (436), and movement of inner plunger (436) is limited by plug (434).

EFFECT: disclosed is a spacer assembly for a drug delivery system.

21 cl, 100 dwg