CPC A61M 5/14248 (2013.01) [A61M 5/1456 (2013.01); A61M 5/1723 (2013.01); A61M 2005/14208 (2013.01); A61M 2005/14252 (2013.01); A61M 2202/0486 (2013.01); A61M 2205/273 (2013.01)] | 21 Claims |
1. A patch pump assisting system comprising:
an assisting device including a soft cannula insertion mechanism configured to at least insert a soft cannula in tissue, the device including:
a housing;
a first exit port septum configured within a cup opening;
an exit port well; and
a second exit port septum;
and
a soft cannula having a lumen, and a rigid cannula having a lumen,
wherein:
the soft cannula and rigid cannula each include at least one lateral opening along a length thereof;
the housing is configured for placement on skin of a user for cannula insertion;
prior to insertion, the rigid cannula is positioned within the soft cannula with both cannulas initially traversing a cup septum, and distal ends of the soft cannula and rigid cannula are positioned within the exit port well;
immediately after insertion, the distal ends of the rigid cannula and soft cannula are positioned within and/or below the skin of the user, and corresponding lateral openings thereof are positioned within the exit port well,
and
the rigid cannula is configured for removal from the soft cannula by retraction of the assistance device from the skin of the user.
|