# US 11,298,044 B2 · Surgical device guidance and monitoring devices, systems, and methods

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- Number: US 11,298,044 B2
- Document ID: US11298044B2
- Status: Granted
- Kind: B2
- Application number: 16/199,583
- Filed: 2018-11-26
- Published: 2019-03-28
- Granted: 2022-04-12
- Earliest claimed: 2016-08-12
- Assignees: Elucent Medical, Inc.
- Applicants: Elucent Medical, Inc.
- Inventors: Daniel W. van der Weide; Noah van der Weide; Eric N. Rudie; David Miel; Lee G. Wilke; Fred T. Lee, Jr.
- Web page: https://patentgrep.com/patent/US11298044B2

## CPC

- A61B 5/062: {using magnetic field}
- A61B 5/0068: {Confocal scanning}
- A61B 5/06: Devices, other than using radiation, for detecting or locating foreign bodies {; Determining position of diagnostic devices within or on the body of the patient}
- A61B 5/064: {using markers (A61B5/062 takes precedence)}
- A61B 5/066: {Superposing sensor position on an image of the patient, e.g. obtained by ultrasound or x-ray imaging}
- A61B 5/743: {Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots}
- A61B 34/20: Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B 90/98: using electromagnetic means, e.g. transponders
- G06K 7/10386: {the interrogation device being of the portable or hand-handheld type, e.g. incorporated in ubiquitous hand-held devices such as PDA or mobile phone, or in the form of a portable dedicated RFID reader}
- A61B 5/6886: {Monitoring or controlling distance between sensor and tissue}
- A61B 6/4241: {using energy resolving detectors, e.g. photon counting}
- A61B 18/04: by heating (by applying electromagnetic radiation A61B18/18)
- A61B 18/08: by means of electrically-heated probes
- A61B 90/39: {Markers, e.g. radio-opaque or breast lesions markers}
- A61B 2017/00115: {with audible or visual output}
- A61B 2034/2051: {Electromagnetic tracking systems}
- A61B 2090/061: {for measuring dimensions, e.g. length}
- A61B 2090/3975: {active}
- A61B 2505/05: Surgical care
- A61B 2562/0223: Magnetic field sensors
- H01Q 1/2208: {associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems (methods or arrangements for sensing record carriers, e.g. for reading patterns G06K7/00; record carrier for use with machines and with at least a part designed to carry digital markings G06K19/00)}
- H01Q 1/2225: {used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

Provided herein are systems, devices, assemblies, and methods for localization of one or more tags in a patient.

## Claims

### Claim 1

A device comprising:
a) an attachment component comprising at least one location emitter, wherein the attachment component is configured to be attached to a hand-held medical device with a device tip;
b) a display component: i) attached to, or ii) integral with, the attachment component, wherein the display component comprises a display screen; and
c) a processor configured to receive information from a plurality of witness stations and generate position data of a tag and the hand-held medical device,
wherein said display screen is configured to display the position data, and
wherein said tag comprises an antenna and is physically separate from, and not physically linked to, any of: said attachment component, said display component, and said hand-held medical device; and
wherein the position data displayed by the display screen includes:
i) a tag indicator which corresponds to the physical location of said tag, and
ii) at least one of the following additional indictors:
A) a total distance indicator which indicates the distance of the device tip to the tag,
B) a medical device indicator which corresponds to the location of the medical device with respect to the tag,
C) a tag-tip vector indicator which provides a representation of the two-dimensional distance, and two-dimensional location, of the device tip to the tag; and
D) a depth indicator which provides an indication of how high above, or below, the device tip is with respect to the tag.

### Claim 2 (depends on 1)

The device of claim 1, wherein said display screen further displays a directional indicator which provides information for moving or positioning the medical device.

### Claim 3 (depends on 2)

The device of claim 2, wherein said directional indicator comprises an image of said medical device that is distinct from said medical device indicator.

### Claim 4 (depends on 1)

The device of claim 1, further comprising said hand-held medical device.

### Claim 5 (depends on 1)

The device of claim 1, wherein said attachment component comprises at least two location emitters.

### Claim 6 (depends on 1)

The device of claim 1, wherein said attachment component: i) comprises a sheath that slides over said hand-held medical device, or ii) clips on to said hand-held medical device.

### Claim 7 (depends on 1)

The device of claim 1, wherein said display screen has an area between 3 and 18 square inches.

### Claim 8 (depends on 1)

The device of claim 1, wherein said display component is moveable with respect to said attachment component such that said display screen may be viewed in different positions.

### Claim 9 (depends on 1)

The device of claim 1, wherein said tag indicator comprises a schematic image of said tag.

### Claim 10 (depends on 1)

The device of claim 1, wherein said display screen is at least partially see through, which allows a user to view images on said display screen while still being able to look through said display screen.

### Claim 11 (depends on 1)

The device of claim 1, wherein medical device indicator comprises a schematic image of said hand-held medical device.

### Claim 12 (depends on 1)

The device of claim 1, wherein said tag-tip vector indicator does not provide depth to tag information.

### Claim 13 (depends on 1)

The device of claim 1, wherein said total distance indicator comprises at least one of a numerical representation and a graphical magnitude symbol.

### Claim 14 (depends on 1)

The device of claim 1, wherein said depth indicator comprises at least one of a numerical representation and a graphical magnitude symbol.

### Claim 15 (depends on 1)

The device of claim 1, wherein said at least one of said additional indicators comprises at least two of said additional indicators.

### Claim 16 (depends on 1)

The device of claim 1, wherein said at least one of said additional indicators comprises at least three of said additional indicators.

### Claim 17 (depends on 1)

The device of claim 1, wherein said display screen further displays one or more guides for performing a procedure.

### Claim 18 (depends on 1)

The device of claim 1, wherein said one or more guides comprises symbols directing a user how to move said hand-held medical device to accomplish a task.

### Claim 19 (depends on 1)

The device of claim 1, wherein said one or more location emitters comprise an antenna, wherein said emitters emits sidebands at defined frequencies upon activation by a magnetic field.

### Claim 20 (depends on 1)

The device of claim 1, wherein said one or more emitters comprise at least two emitters positioned to permit a plurality of witness stations to detect orientation of said hand-held medical device relative to said tag.