A component and a sub-assembly for a medicament delivery device
AssigneeShl Medical AG
InventorDaniel CARLSSON
Life of this patent
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Abstract
A plunger rod (2) for a medicament delivery device, the plunger rod (2) comprising: a plunger rod body (21) extending along a second longitudinal axis (L2) between a proximal end and a distal end; a key (22) attached to the proximal end of the plunger rod body (21); wherein the key (22) is configured to fit into a key slot (13a) on a cassette housing (1), such that when the key (22) and the key slot (13a) are matched, the key (22) followed by the plunger rod body (21) can enter into the cassette housing (1) through the key slot (13a).
Claims15
A cassette housing (1) for a medicament delivery device cassette unit, the cassette housing (1) comprising:
- a main body (10) extending along a first longitudinal axis (L1) between a proximal end and a distal end;
- wherein the main body (10) defines an interior chamber (11) for receiving a medicament container;
- a distal cover (13) attached to the distal end of the main body (10);
- wherein the distal cover (13) comprises a covering wall extending across the distal end of the interior chamber (11) of the main body (10) in a direction transverse to the first longitudinal axis (L1);
- and
- wherein the covering wall comprises a key slot (13a) configured to receive a key (22) of a plunger rod (2) of the medicament delivery device, such that when the key (22) and the key slot (13a) are matched, the key (22) of the plunger rod (2) followed by a plunger rod body (21) of the plunger rod (2) can enter into the cassette housing (1) through the key slot (13a).
A plunger rod (2) for a medicament delivery device, the plunger rod (2) comprising:
- a plunger rod body (21) extending along a second longitudinal axis (L2) between a proximal end and a distal end;
- a key (22) attached to the proximal end of the plunger rod body (21);
- wherein the key (22) is configured to fit into a key slot (13a) on a cassette housing (1), such that when the key (22) and the key slot (13a) are matched, the key (22) followed by the plunger rod body (21) can enter into the cassette housing (1) through the key slot (13a).
A sub-assembly for a medicament delivery device, the sub-assembly comprising:
- a cassette housing (1) comprising:
- a main body (10) extending along a first longitudinal axis (L1) between a proximal end and a distal end;
- wherein the main body (10) defines an interior chamber (11) for receiving a medicament container;
- a plunger rod body (21) extending along a second longitudinal axis (L2) between a proximal end and a distal end;
- a key (22) attached to the proximal end of the plunger rod body (21);
- a distal cover (13) attached to the distal end of the main body (10);
- wherein the distal cover (13) comprises a covering wall extending across the distal end of the interior chamber (11) of the main body (10) in a direction transverse to the first longitudinal axis (L1);
- and
- wherein the covering wall comprises a key slot (13a) configured to receive the key (22) of the plunger rod (2), such that when the key (22) and the key slot (13a) are matched, the key (22) of the plunger rod (2) followed by plunger rod body (21) of the plunger rod (2) can enter into the cassette housing (1) through the key slot (13a).
Dependencies are inferred from the claim text.