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On-body injector and method of use

  • US 9,545,477 B2
  • Filed: 01/15/2016
  • Issued: 01/17/2017
  • Est. Priority Date: 10/14/2013
  • Status: Active Grant
First Claim
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1. An on-body injector for use with a patient with an injection device having an injection port in fluid communication with a delivery tube, the injection port lying on an injection axis, the on-body injector comprising:

  • a bolus reservoir;

    a bolus injection needle in fluid communication with the bolus reservoir; and

    a button operably connected to the bolus injection needle to slide the bolus injection needle along the injection axis;

    wherein the button is operable to advance the bolus injection needle to form an injection flow path from the bolus reservoir, through the bolus injection needle, through the delivery tube, and into the patient;

    wherein the button is further operable to advance a plunger through the bolus reservoir to deliver a predetermined bolus volume to the patient through the injection flow path; and

    wherein the plunger blocks the injection flow path when the plunger is at a final position in the bolus reservoir when the predetermined bolus volume has been delivered.

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