Patent · US Active

Detecting needle entry into a port of an infusion device

US8920389B2 · kind B2 · utility

7Cited by

12References

12Claims

0Family size

Assignee

Medtronic, Inc. · US

Inventors

Scott L. Kalpin · Harris, US
Scott A. Sarkinen · Minneapolis, US

Key dates

Filing date	Apr 11, 2011
Grant date	Dec 30, 2014
Priority date	—
Expiry date	Sep 14, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2209/045
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Systems for detecting needle insertion into a port chamber of an implantable medical device include a pressure sensor. The system detects characteristic pressure profiles associated with needle insertion into the port chamber through a septum and may generate a sensory cue to a clinician that proper needle placement has been achieved. Methods for detecting needle insertion into a port chamber of an implantable medical device includes detecting characteristic pressure profiles associated with needle insertion into the port chamber through a septum.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.