IP Library › Granted Patent US 12,207,840
Granted Patent B2
US 12,207,840 · App. 17/850,468 · Granted Jan 28, 2025

Magnetizing system for needle assemblies

Inventors: Eric W. Lindekugel (Salt Lake City, UT); Matthew J. Prince (Herriman, UT)
Assignee: Bard Access Systems, Inc.
A61B17/3403A61B8/0841A61B8/085A61B8/0891A61B8/4427A61B34/20A61B34/73A61B90/11A61B90/96A61B90/98H01F7/021A61B5/062A61B5/066A61B8/4254A61B8/463A61B2017/00199A61B2017/3413A61B2034/2051A61B2034/2063A61B90/37A61B2090/378A61B2090/3784
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Quick Facts
Patent No.
US 12,207,840
App. No.
17/850,468
Filed
Jun 27, 2022
Granted
Jan 28, 2025
Kind
B2
Art Unit
2837
USPC
335/284
Abstract

A magnetizing system for use in selectively magnetizing a needle of a medical device is disclosed. Once magnetized, the needle can be tracked by a needle guidance system, which assists the clinician placing the needle by visualizing on a display the position and orientation of the needle after its insertion into a body of a patient. An orientation key system is included with the magnetizing system to ensure the needle is positioned correctly in the magnetizing system. This in turn ensures that the needle is properly magnetized so as to be accurately tracked by the needle guidance system. In one embodiment a first key is included with the magnetizing system and configured to cooperatively mate with a second key included with the needle of the medical device. Various types of keys are disclosed herein.

Claims (14)

1. A magnetizing system comprising a magnetizer configured to magnetize a needle associated with a medical device, and a tray configured to removably join with the magnetizer, the magnetizer comprising:

a body;

a magnetic component included with the body; and

an orientation key system including a first key feature included with the body of the magnetizer, the first key feature configured to cooperatively and removably mate with a second key feature included with the tray so as to position the needle of the medical device in a desired orientation with respect to the magnetic component.

2. The system according to claim 1 , wherein the magnetizer further includes an RFID reader configured to read an RFID tag included with the medical device.

3. The system according to claim 1 , wherein the magnetic component includes a plurality of permanent magnets positioned in a multipole arrangement.

4. The system according to claim 1 , wherein the needle is included in an insertion tool configured to assist in inserting a catheter into the body of a patient.

5. The system according to claim 4 , wherein the insertion tool is disposed in the tray that is removably positionable on the magnetizer.

6. The system according to claim 1 , wherein the first key feature includes a cavity defined in the body of the magnetizer, and wherein the second key feature includes a protrusion defined on the tray.

7. The system according to claim 1 , wherein the first key feature includes first and second posts on the body of the magnetizer, and wherein the second key feature includes first and second holes defined in the tray.

8. The system according to claim 7 , wherein the first and second posts are positioned in an offset configuration on the body of the magnetizer, and wherein the first and second holes in the tray are offset so as to respectively receive the first and second posts.

9. The system according to claim 1 , wherein the orientation key system is configured to inhibit placement of the tray on the magnetizer in an erroneous orientation.

10. The system according to claim 7 , wherein the first post defines a diameter that is different from a diameter defined by the second post, and wherein the first hole is sized to receive the first post and the second hole is sized to receive the second post.

11. The system according to claim 1 , further comprising a RFID tag included with the tray.

Continuity (3)
Continuation 15965419 · Apr 27, 2018
Provisional Application 62491037 · Apr 27, 2017
Related Publication 20220323101A1 · Oct 13, 2022
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Cited By (1)
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