# US 9,433,472 B2 · Controlling a phacoemulsification system based on real-time analysis of image data

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- Number: US 9,433,472 B2
- Document ID: US9433472B2
- Status: Granted
- Kind: B2
- Application number: 14/147,213
- Filed: 2014-01-03
- Published: 2014-05-01
- Granted: 2016-09-06
- Earliest claimed: 2008-06-09
- Assignees: Abbott Medical Optics Inc.
- Applicants: Abbott Medical Optics Inc.
- Inventors: Michael J. Claus
- Web page: https://patentgrep.com/patent/US9433472B2

## CPC

- A61F 9/00745: {using mechanical vibrations, e.g. ultrasonic}
- A61B 90/20: Surgical microscopes characterised by non-optical aspects
- A61B 90/361: {Image-producing devices, e.g. surgical cameras}
- A61B 17/0231: {for eye surgery}
- A61B 34/10: Computer-aided planning, simulation or modelling of surgical operations
- A61B 2017/00057: {Light}
- A61B 2017/00115: {with audible or visual output}
- A61B 2034/254: {being adapted depending on the stage of the surgical procedure}
- A61B 2090/3612: {with images taken automatically}
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A design for dynamically adjusting parameters applied to a surgical instrument, such as an ocular surgical instrument, is presented. The method includes detecting surgical events from image data collected by a surgical microscope focused on an ocular surgical procedure, establishing a desired response for each detected surgical event, delivering the desired response to the ocular surgical instrument as a set of software instructions, and altering the surgical procedure based on the desired response received as the set of software instructions.

## Claims

### Claim 1

A phacoemulsification apparatus configured to control parameters of a surgical instrument employable in an ocular surgical procedure, comprising:
an image analysis module configured to detect surgical events within an image data stream;
an instrument monitoring module configured to obtain instrument readings using at least one instrument sensor;
an instrument control module configured to:
receive the surgical events detected from at least said image analysis module and the instrument readings from at least said instrument monitoring module, and
generate dynamic responses to said detected surgical events and instrument readings, said instrument control module configured to process said responses and transmit the processed responses in the form of an instruction set; and
a surgical instrument configured to receive and execute the instruction set communicated from said instrument control module during the ocular surgical procedure;
wherein the image analysis module is further configured to detect the surgical events within the image data stream at multiple time points during the ocular surgical procedure, and
the instrument monitoring module is further configured to obtain the instrument readings using the at least one instrument sensor at multiple time points during the ocular surgical procedure.

### Claim 2 (depends on 1)

The apparatus of claim 1, wherein execution of said instruction sets occurs by modifying surgical instrument parameters thereby altering the course of the surgical procedure.

### Claim 3 (depends on 1)

The apparatus of claim 1, wherein said instrument monitoring module is connected to said instrument control module.

### Claim 4 (depends on 1)

The apparatus of claim 1, wherein said image analysis module processes image data received from a surgical microscope.

### Claim 5 (depends on 1)

The apparatus of claim 1, wherein said image analysis module performs edge detection and pattern recognition techniques to determine surgical events.

### Claim 6 (depends on 1)

The apparatus of claim 1, wherein the ocular surgical procedure comprises a phacoemulsification procedure.

### Claim 7 (depends on 1)

The apparatus of claim 1, wherein the image analysis module detects pressure changes encountered in the surgical procedure.