摘要:
A disposable cartridge for a drug delivery device includes a flexible bag to accommodate a liquid medicament and having an opening adjacent to a sidewall, a socket having a fluid channel in fluid communication with a cartridge fluid coupling, and a housing covering at least a portion of the flexible bag and having a receptacle to receive the socket with the flexible bag. The socket extends into the opening of the flexible bag. The flexible bag's sidewall is fixed between the socket and the receptacle.
摘要:
The present invention relates to a disposable delivery assembly for a drug delivery device to dispense a liquid medicament, the delivery assembly comprising: a disposable injector (60) comprising an injection needle (65), a flexible tube (64) and an injector fluid coupling (68), wherein the injection needle (65) is in fluid communication with the fluid coupling (68) via the flexible tube (64), a disposable cartridge (70) comprising a reservoir (80) at least partially filled with the liquid medicament and comprising a cartridge fluid coupling (90) in fluid communication with the reservoir (80), wherein the injector (60) and the cartridge (70) are mechanically interconnected in an undeployed configuration (4), in which the injector fluid coupling (68) and the cartridge fluid coupling (90) are disconnected, and—wherein the cartridge (70) is displaceable relative to the injector (60) into a deployed configuration (6), in which the injector fluid coupling (68) and the cartridge fluid coupling (90) are in fluid communication.
摘要:
The invention relates to a drive mechanism (9) for a needle insertion arrangement (1), the drive mechanism (9) including:—a cross beam (16) linearly movable in a distal direction (D) and a proximal direction (P) for moving an injection needle (2),—an actuator (5),—a slider (12) coupled to the actuator (5) and linearly movable in a transversal direction (T) at right angles relative the distal direction D and the proximal direction D,—a cam (14) on one of the cross beam (16) and the slider (12),—a guide track (13) in the other one of the cross beam (16) and the slider (12) adapted to engage the cam (14), the guide track including a sloped section (13.3) such that the cross beam (16) is moved on movement of the slider (12).
摘要:
The invention relates to a drive mechanism for a needle insertion arrangement, the drive mechanism comprising: an actuator, a rotatable drive pulley directly or indirectly coupled to the actuator, and a belt adapted to engage the drive pulley and adapted to be fixed to a needle retainer.
摘要:
The present invention relates to a drive mechanism for a drug delivery device, comprising: a piston rod to operably engage with a piston of a cartridge to displace the piston in a distal direction during a dose dispensing action, at least one actuation member mechanically coupled with the piston rod to induce a distally directed displacement of the piston rod when actuated by a user, a control to ascertain at least one predefined condition of use, and at least one interlock member coupled with the control to mechanically obstruct displacement of the piston rod if the condition of use is not fulfilled.
摘要:
A peristaltic pump comprises a tube for transporting a material, wherein the tube is arranged linearly along a longitudinal axis. The peristaltic pump further comprises a pump head for causing a squeezing of the tube, wherein the pump head is rotatable about a rotation axis.
摘要:
The present invention relates to a disposable cartridge for a drug delivery device, the cartridge comprising: —a flexible bag (81; 181) to accommodate a liquid medicament and having an opening (81a, 181a) adjacent to a sidewall (81b, 181b), a socket (76, 176) having a fluid channel (86; 186) in fluid communication with a cartridge fluid coupling (90; 190), wherein the socket (76, 176) extends into the opening (81a, 181 a) of the flexible bag (81; 181), a housing (71; 171) covering at least a portion of the flexible bag (81; 181) and having a receptacle (71a, 171a) to receive the socket (76; 176) with the flexible bag (81; 181), wherein the flexible bag's (81; 181) sidewall (81b; 181b) is fixed between the socket (76; 176) and the receptacle (71a, 171a).
摘要:
The invention relates to a drive mechanism (9) for a needle insertion arrangement (1), the drive mechanism (9) comprising a rotatable wheel (10) with a notch (12) having a closed curve geometry comprising a curved section (12.1) and a linear section (12.2), wherein at least one cross beam (15, 16) is movably arranged and engageable to an injection needle (2) to move it between a retracted position (RP) and an extended position (EP), wherein the cross beam (15, 6) comprises a cam (15.1, 16.1) adapted to engage the notch (12).
摘要:
Disclosed is a needle insertion arrangement (1) with a drive mechanism (9) comprising: a belt (15) frictionally engaging a first roller (10) and a needle retainer (7) with an injection needle (2) fixed to the belt, the first roller being rotatably arranged about an axis (A), a second roller (11) also rotatably arranged about the axis (A), a first spring (13) rotatably biasing the first roller against the second roller, a second spring (14) rotatably biasing the second roller against an arrester (12), the first and the second roller being connected via an internal protrusion (10.2) and arcuate slot (11.2), the two springs (13, 14) biasing the rollers (10, 11) from respective first to respective second angular positions (AP11, AP12, AP21, AP22), and a trigger mechanism (17,20) releasably locking the first and second rollers (10, 11) such that upon pivoting the trigger button (20) in one direction, the first roller drives the belt in one direction to linearly transport the needle retainer towards an extended position, and upon pivoting the trigger button in the other direction, the first roller drives the belt back to retract the needle retainer.
摘要:
A reservoir assembly comprising a reservoir housing, a piston, and a locking plug, both movably arranged inside the reservoir housing; wherein the volume between the piston and the locking plug defines a reservoir cavity. The reservoir assembly further comprising a reservoir outlet; and an actuator configured to act on the piston; wherein the locking plug is configured to be movable from a first position to a second position; wherein in the first position the reservoir outlet is not in fluid communication with the reservoir cavity. The reservoir assembly further comprising an interlock configured to prevent movement of at least one of the locking plug and the piston; wherein the interlock having a locked position and an unlocked position.