Perpendicular infusion set and disposable inserter
First Claim
Patent Images
1. An infusion set inserter, comprising:
- an inserter housing comprising at least one flexible arm for holding an infusion set in a single axial position prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin, and the infusion set having a body with an upper surface;
a movable plunger disposed within the inserter housing for releasing the infusion set from the inserter housing, directly striking the upper surface of the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin; and
a biasing element biasing the plunger toward the activated position;
wherein;
the plunger is movable between a pre-activated position and an activated position;
the plunger is spaced apart from the infusion set in the pre-activated position; and
the plunger comprises at least one cantilevered arm adapted to engage the inserter housing to maintain the plunger in the pre-activated position and to engage the inserter housing to retain the plunger within the inserter housing in the activated position.
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Abstract
An infusion set is disclosed that includes an inserter including an inserter housing having at least one flexible arm for holding an infusion set in a single axial position prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin. The inserter also includes a movable plunger disposed within the inserter housing for releasing the infusion set from the inserter housing, impacting the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin. The inserter additionally includes a biasing element biasing the plunger toward the activated position.
80 Citations
24 Claims
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1. An infusion set inserter, comprising:
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an inserter housing comprising at least one flexible arm for holding an infusion set in a single axial position prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin, and the infusion set having a body with an upper surface; a movable plunger disposed within the inserter housing for releasing the infusion set from the inserter housing, directly striking the upper surface of the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin; and a biasing element biasing the plunger toward the activated position; wherein; the plunger is movable between a pre-activated position and an activated position; the plunger is spaced apart from the infusion set in the pre-activated position; and the plunger comprises at least one cantilevered arm adapted to engage the inserter housing to maintain the plunger in the pre-activated position and to engage the inserter housing to retain the plunger within the inserter housing in the activated position. - View Dependent Claims (2, 3, 4, 5, 14, 15, 16, 17, 18, 19, 20, 21)
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6. An infusion set inserter, comprising:
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an inserter housing comprising at least one flexible arm for holding an infusion set in a single axial position prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin; a movable plunger disposed within the inserter housing for releasing the infusion set from the inserter housing, impacting the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin; and a biasing element biasing the plunger toward the activated position; wherein the plunger selectively moves between a pre-activated position and an activated position; wherein the at least one flexible arm comprises a plurality of cantilevered, flexible arms; and wherein upon movement of the plunger from the pre-activated position to the activated position at least one of the cantilevered arms is displaced away from the infusion set prior to the impact of the plunger on the infusion set. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. An infusion set inserter, comprising:
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an inserter housing comprising at least one flexible arm for holding an infusion set in a single axial position prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin; a movable plunger disposed within the inserter housing for releasing the infusion set from the inserter housing, impacting the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin; and a biasing element biasing the plunger toward the activated position; wherein the plunger selectively moves between a pre-activated position, in which the plunger prevents the at least one flexible arm from moving away from the infusion set, and an activated position, in which the plunger does not prevent the at least one flexible arm from moving away from the infusion set.
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22. An infusion set inserter, comprising:
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an inserter housing comprising at least one flexible arm for holding an infusion set in a single axial position prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin; a movable plunger disposed within the inserter housing for releasing the infusion set from the inserter housing, impacting the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin; and a biasing element biasing the plunger toward the activated position; wherein the plunger selectively moves between a pre-activated position and an activated position; wherein the plunger comprises at least one cantilevered arm for engaging the inserter housing in both the pre-activated position and the activated position; and wherein the plunger further comprises a ring structure for biasing at least one of the flexible arms toward the infusion set in the pre-activated position and releasing the at least one of the flexible arms prior to the impact of the plunger on the infusion set.
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23. An infusion set inserter, comprising:
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an inserter housing comprising at least one flexible arm for holding an infusion set in a single axial position prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin; a movable plunger disposed within the inserter housing for releasing the infusion set from the inserter housing, impacting the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin; and a biasing element biasing the plunger toward the activated position; wherein the plunger selectively moves between a pre-activated position and an activated position; wherein the plunger comprises at least one cantilevered arm for engaging the inserter housing in both the pre-activated position and the activated position; and wherein the plunger further comprises a ring structure for preventing the at least one flexible arm from moving away from the infusion set in the pre-activated position and permitting the at least one flexible arm to move away from the infusion set prior to the impact of the plunger on the infusion set.
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24. An infusion set inserter, comprising:
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an inserter housing for holding an infusion set prior to insertion of at least a portion of a cannula of the infusion set, the inserter housing having a surface for contacting the patient'"'"'s skin, and the infusion set having a body with an upper surface; a movable plunger movable between a pre-activated position and an activated position, the plunger being disposed within the inserter housing for releasing the infusion set from the inserter housing, directly striking the upper surface of the infusion set, and imparting momentum to the infusion set to insert the cannula into the patient'"'"'s skin, the plunger comprising a cantilevered arm with a hook disposed at the free end thereof for contacting the inserter housing to selectively retain the plunger in the pre-activated position prior to activation and to engage the inserter housing to retain the plunger within the inserter housing in the activated position; and a biasing element biasing the plunger toward the activated position; wherein the plunger is spaced apart from the infusion set in the pre-activated position.
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Specification