08920374 is referenced by 17 patents and cites 46 patents.

An automatic injector includes a housing having a guide, a drive control mechanism, a transmission assembly, a motor, and an energy source. The housing may further include a cartridge cover. A drive control mechanism includes a drive screw, a cartridge carrier, a plunger carrier, and one or more control transfer instruments, such as a puck or cylinder. The drive screw interfaces and connects with the plunger carrier. The automatic injector is configured to accept a variety of syringes as cartridges for drug delivery. The cartridges may be ejected from the injector and safely disposed after use, making the injector a reusable automatic injector. The reusable automatic injector may further include one or more sensors, such as a cartridge sensor and a patient sensor. The novel incorporation of the drive control mechanisms into the automatic injectors of the present invention enables a single motor and transmission assembly to drive the function of multiple components, which may include the steps of: preparation and alignment of a cartridge for injection, removal of a safety cap or needle shield, needle injection, drug dose delivery, and syringe and/or needle retraction. Methods of manufacture and methods of use are also disclosed.

Title
Drive control mechanisms and automatic injectors for injectable cartridges
Application Number
13/934958
Publication Number
8920374 (B2)
Application Date
July 3, 2013
Publication Date
December 30, 2014
Inventor
Ellen Ni Chathail
Castlebar
IE
David R Jansen
Glenmoore
PA, US
Stefanie A Hurowitz
Ft. Washington
PA, US
Arthur G Marlin
Willow Grove
PA, US
Thomas F McGee
San Diego
CA, US
George M Wohlhieter
Escondido
CA, US
Kevin Bokelman
San Diego
CA, US
Agent
Leydig Voit & Mayer
Assignee
Unitract Syringe
AU
IPC
A61M 5/24
A61M 5/20
A61M 37/00
View Original Source