Atraumatic insertion of a subcutaneous device

Details Atraumatic insertion of a subcutaneous device Atraumatic insertion of a subcutaneous device

2005-08-30

2005-08-30

Nasser, Robert L. (Department: 3736)

Surgery

Diagnostic testing

C600S309000, C604S057000, C604S059000, C604S500000, C604S093010

Reexamination Certificate

active

06936006

ABSTRACT:
The invention relates to a concept for placing a subcutaneous device such as a sensor at a selected site within the body of a patient, e.g. to obtain blood glucose readings. In a first aspect, an insertion needle comprises an oblong needle body and a distal end portion, the distal end portion having a pointed distal tip allowing the needle to be introduced subcutaneously and a distally facing generally smooth surface, the body comprising along a portion thereof a longitudinal groove adapted to at least partially accommodate the subcutaneous device. In a second aspect, a combination of an insertion needle and a subcutaneous device form an oblong body portion and a distal end portion formed by either of the members or in combination by the two members, the distal end portion having a pointed distal tip and a distally facing generally smooth surface. By the above configuration, a concept is provided reducing the severity of the body response following transcutaneous placement of a device as well as reducing the pain associated with the insertion.

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