IP Library › Granted Patent US 12,245,902
Granted Patent B2
US 12,245,902 · App. 17/488,954 · Granted Mar 11, 2025

Signal tag detection components, devices, and systems

Inventors: Daniel W. van der Weide (Madison, WI); Fred T. Lee, Jr. (Madison, WI); Robert C. Stewart (Mancos, CO); Lee G. Wilke (Madison, WI)
Assignee: Elucent Medical, Inc.
A61B90/39A61B18/1402A61B90/98A61B2017/00115A61B2017/00199A61B2018/00904A61B2018/00988A61B34/20A61B2090/3908A61B2090/3945A61B2090/3958A61B2090/3962A61B2562/0223
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Quick Facts
Patent No.
US 12,245,902
App. No.
17/488,954
Granted
Mar 11, 2025
Kind
B2
Abstract

Provided herein are systems, devices, assemblies, and methods for localization of a tag in a tissue of a patient. For example, provided herein are systems, devices, and methods employing a detection component that is attached to or integrated with a surgical device, where the detection component detects a signal from a tag in a patient, where the tag is activated by remote introduction of a magnetic field.

Claims (25)

1. A system comprising:

a remote activating device that generates a magnetic field; wherein said remote activating device comprises a pad configured to be positioned: i) on or under a patient, or ii) on or under a table or bed said patient is on, wherein said pad comprises multiple activating coils;

a first wireless tag that is insertable at a location in or on a tissue of said patient, wherein said first wireless tag is activated by said magnetic field;

a second wireless tag coupled to a surgical instrument; wherein the second wireless tag is activated by said magnetic field;

a control unit comprising a processor and a control software, wherein said control unit is linked to said remote activating device; and

a display component configured to provide a distance of the surgical instrument to a user-defined boundary around said first wireless tag; wherein said display component is removably mounted to said surgical instrument.

2. The system of claim 1 , wherein the user-defined boundary is a sphere.

3. The system of claim 1 , wherein the user-defined boundary is an irregular shape corresponding to a tumor shape.

4. The system of claim 1 , wherein the surgical instrument is a hand-held surgical instrument.

5. The system of claim 1 , wherein the display component is configured to provide a distance of said first wireless tag to the surgical instrument.

6. The system of claim 1 , wherein said first wireless tag comprises an RFID tag.

7. The system of claim 1 , wherein each of said activating coils comprises magnet wire wound around a mandrel.

8. A method for localizing a tissue region of a patient, comprising:

placing a remote activating device and a patient in proximity to each other, wherein said remote activating device comprises a pad with multiple activating coils that generate a magnetic field, and wherein said patient comprises a first wireless tag at a location in, on, or proximal to a tissue of said patient;

positioning a surgical instrument with a second wireless tag in proximity to said tissue of said patient such that said patient is between said surgical instrument and said pad;

localizing said first wireless tag in said patient and said second wireless tag by generating a magnetic field with said remote activating device and detecting a signal; and

displaying, on a display component, a distance of the surgical instrument to a user-defined boundary around said first wireless tag; wherein said display component is removably mounted to said surgical instrument.

9. The method of claim 8 , further including providing audible, visual, or tactile feedback when the surgical instrument reaches the user-defined boundary around said first wireless tag.

10. The method of claim 8 , wherein the user-defined boundary is a sphere.

11. The method of claim 8 , wherein the user-defined boundary is an irregular shape corresponding to a tumor shape.

12. The method of claim 8 , wherein the surgical instrument is a hand-held surgical instrument.

13. The method of claim 8 , wherein displaying, on the display component, further includes a distance of said first wireless tag to said surgical instrument.

14. The method of claim 8 , wherein placing the remote activating device and the patient in proximity to each other further includes placing the pad: i) on or under said patient, or ii) on or under a table or bed said patient is on.

15. The method of claim 8 , wherein said first wireless tag comprises an RFID tag.

16. The method of claim 8 , wherein each of said activating coils comprises magnet wire wound around a mandrel.

Assignments (2)
SECURITY INTEREST Recorded Nov 3, 2024
From: ELUCENT MEDICAL, INC.
To: TRINITY CAPITAL INC., AS COLLATERAL AGENT
Reel/Frame 069116/0736 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 23, 2022
From: VAN DER WEIDE, DANIEL W.; LEE, FRED T., JR; STEWART, ROBERT C.; WILKE, LEE G.
To: ELUCENT MEDICAL, INC.
Reel/Frame 059380/0639 →
Continuity (5)
Continuation 16356174 · Mar 18, 2019
Continuation 15645414 · Jul 10, 2017
Division 14992443 · Jan 11, 2016
Provisional Application 62236660 · Oct 2, 2015
Related Publication 20220015859A1 · Jan 20, 2022
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