US 2019/0167151 A1Published application

System and method for tracking patient movement during guided medical procedure

OwnerJetmir Palushi, Don Q. Ngo-Chu +1inventors

InventorsJetmir Palushi, Don Q. Ngo-Chu, Itzhak Fang

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Abstract

A medical instrument includes an instrument position sensor operable to generate an instrument position signal. A first head position sensor is configured to be secured in a first fixed location on or in a patient's head and generate a first head position signal. Field generating elements are configured to generate an electromagnetic field around the patient's head. A processor processes the instrument position signal to determine positioning of the patient's instrument within the electromagnetic field. The processor also processes the first head position signal to determine positioning of the patient's head within the electromagnetic field. The processor determines the position of the instrument within the patient's head based on the determined position of the patient's instrument within the electromagnetic field and based further on the determined position of the patient's head within the electromagnetic field.

Claims20

Dependent claims

A system comprising:

(a) a medical instrument, wherein the medical instrument is configured to be inserted into a patient's head, wherein the medical instrument includes an instrument position sensor operable to generate an instrument position signal;
(b) a first head position sensor, wherein the first head position sensor is configured to be secured in a first fixed location on or in a patient's head, wherein the first head position sensor is configured to generate a first head position signal;
(c) a plurality of field generating elements, wherein the field generating elements are configured to be positioned around a patient's head such that the field generating elements are configured to generate an electromagnetic field around the patient's head;
and
(d) a processor, wherein the processor is in communication with the instrument position sensor, the first head position sensor, and the field generating elements,
wherein the processor is operable to process the instrument position signal to determine positioning of the patient's instrument within the electromagnetic field,
wherein the processor is operable to process the first head position signal to determine positioning of the patient's head within the electromagnetic field,
wherein the processor is further configured to determine the position of the instrument within the patient's head based on the determined position of the patient's instrument within the electromagnetic field and based further on the determined position of the patient's head within the electromagnetic field.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/831,618Filed 5 Dec 2017
Published: 6 Jun 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification36 codes

A61B 5/066
Determining position of the probe employing exclusively positioning means located on or in the probe, e.g. using position sensors arranged on…
A61B 1/233
Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g.…:…
A61B 5/062
Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing…
A61B 5/11
Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes: measuring…

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