Straight insertion safety infusion set

A method of inserting a cannula through skin of a user, comprising:

• providing an infusion set assembly comprising:
• a cannula housing having a base surface;
• an insertion needle assembly including an insertion needle;
• a cannula supported by the needle assembly with a tip of the insertion needle extending from a distal end of the cannula;
• and
• an insertion guide housing configured to support the insertion needle assembly relative to the cannula housing and adapted for movement between a first needle assembly position where the needle tip and cannula distal end are spaced from the base surface and a second needle assembly position where the needle tip and cannula distal end extend beyond the base surface;
• positioning the needle assembly in the first needle assembly position;
• removably adhering the cannula housing to the skin of the user;
• advancing the needle assembly from the first needle assembly position to the second needle assembly position;
• removing the insertion guide assembly and the insertion needle assembly from the cannula housing and the septum housing.

An infusion set assembly comprising:

• a cannula housing having a base surface;
• an insertion needle assembly including an insertion needle;
• a cannula supported by the needle assembly with a tip of the insertion needle extending from a distal end of the cannula;
• an insertion guide housing configured to support the insertion needle assembly with the needle substantially perpendicular to the base surface and adapted for movement between a first needle assembly position wherein the needle tip and cannula distal end are spaced from the base surface and a second needle assembly position wherein the needle tip and cannula distal end extend beyond the base surface;
• and
• a septum housing having an axial bore configured to receive and support a proximal portion of the cannula, the septum housing being pivotally attached to the cannula housing for movement between a first septum housing position where an axis of the bore is substantially perpendicular to the base surface and a second septum housing position where the axis is substantially parallel to the base surface.

An infusion set assembly comprising:

• a cannula housing having a base surface;
• a septum housing having an axial bore, the septum housing being adapted to be pivotally attached to the cannula housing and moveable between a first septum housing position where an axis of the bore is substantially perpendicular to the base surface and a second septum housing position where the axis is substantially parallel to the base surface;
• a cannula having a distal end and a proximal portion, the proximal portion supported in the septum housing axial bore;
• an insertion needle assembly including an insertion needle, the insertion assembly configured to support the cannula and septum housing with a tip of the insertion needle extending from the cannula distal end;
• and
• an insertion guide housing configured to support the insertion needle assembly with the needle substantially perpendicular to the base surface and adapted for movement between a first needle assembly position where the needle tip and cannula distal end are spaced from the base surface and a second needle assembly position where the needle tip and cannula distal end extend beyond the base surface.