초록 ▼

A medication delivery pen having a repeat-dose feature that limits motion of the dose control mechanism using an adjustable repeat-dose stop on the dose knob. In addition, the medication delivery pen also provides the user a simple mechanism for setting and correcting the dose and a drive mechanism

A medication delivery pen having a repeat-dose feature that limits motion of the dose control mechanism using an adjustable repeat-dose stop on the dose knob. In addition, the medication delivery pen also provides the user a simple mechanism for setting and correcting the dose and a drive mechanism that makes the dispensing operation as easy as possible requiring as little force as necessary.

대표청구항 ▼

[ What is claimed is:] [1.]1. A medication delivery pen comprising:a pen-needle having a cannula mounted on a hub;a vial retainer including a vial containing a medication to be delivered and having said pen-needle removably attached to a distal end; anda housing having said vial retainer mounted to

[ What is claimed is:] [1.]1. A medication delivery pen comprising:a pen-needle having a cannula mounted on a hub;a vial retainer including a vial containing a medication to be delivered and having said pen-needle removably attached to a distal end; anda housing having said vial retainer mounted to a distal end and including;a body;a dose control mechanism for setting a desired dose to be delivered from the vial;a drive mechanism for dispensing the desired dose from the vial;a rod barrel tube within said body for interfacing said dose control mechanism with said drive mechanism; anda radial ratchet mechanism interfacing said housing and said rod barrel tube to prevent rotation of said rod barrel tube and said drive mechanism with respect to said housing when said dose control mechanism is being used to set the desired dose.