Granted Patent
B2
US 12,303,301 · App. 17/878,705 · Granted May 20, 2025
Intraoperative neural monitoring system and method
Inventors:
Christopher Wybo (Brighton, MI); Darren Scarfe (LaSalle, CA); Aashish Shah (Ann Arbor, MI); Jacob A. Marks (Mansfield, MA); James G. Lee (South Weymouth, MA)
Assignee:
DePuy Synthes Products, Inc.
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Abstract
A neuromuscular sensing method includes transmitting an electrical stimulus from a distal end portion of an elongate stimulator extending within an intracorporeal treatment area of a subject and detecting an artificially induced response of at least two muscles of the subject in response to the transmitted electrical stimulus, each response being detected by a respective sensor in mechanical communication with the muscle. A graphical user interface (GUI) is transitioned from a first state to a second state; the first state indicating to the transmission of a stimulus with no artificially induced response detected, and the second state indicating the detection of the artificially induced response of the at least two muscles, and further identifying one of the at least two muscles as a primary muscle response.
Claims (45)
1. A method comprising:
applying a plurality of mechanical sensors to a patient to detect muscle movement;
detecting, using at least one of the plurality of mechanical sensors, an artificially induced response of a muscle of the patient; and
displaying, on a display having a graphical user interface (GUI):
if the response is a result of an electrical stimulus, at least one of:
an amplitude of the response; or
an identity of a nerve associated with the muscle; or
if the response is a spontaneous response:
a warning.
2. The method of claim 1 , further comprising determining that two muscles have responded to the electrical stimulus and displaying an indication of a primary response and an ancillary response.
3. The method of claim 2 , further comprising displaying a relative difference in magnitude between an amplitude of the primary response and an amplitude of the ancillary response.
4. The method of claim 2 , further comprising displaying an indication on the GUI for the primary response that has visually more weight than an indication for the ancillary response.
5. The method of claim 1 , further comprising displaying an indicator indicating a status.
6. The method of claim 5 , wherein the status is standby, stimulating, spontaneous, or nerve identified.
7. The method of claim 5 , wherein the indicator is a textual status indicator.
8. The method of claim 5 , wherein the indicator is a non-textual status indicator.
9. The method of claim 8 , wherein the indicator is a color.
10. An intraoperative neural monitoring system comprising:
a plurality of mechanical sensors to detect muscle movement; and
a processor configured to:
detect, using at least one of the plurality of mechanical sensors, an artificially induced response of a muscle of the patient; and
display, on a display having a graphical user interface (GUI):
if the response is a result of an electrical stimulus, at least one of:
an amplitude of the response; or
an identity of a nerve associated with the muscle; or
if the response is a spontaneous response:
a warning.
11. The system of claim 10 , wherein the processor is further configured to determine that two muscles have responded to the electrical stimulus and display an indication of a primary response and an ancillary response.
12. The system of claim 11 , wherein the processor is further configured to display a relative difference in magnitude between an amplitude of the primary response and an amplitude of the ancillary response.
13. The system of claim 11 , wherein the processor is further configured to display an indication on the GUI for the primary response that has visually more weight than an indication for the ancillary response.
14. The system of claim 10 , wherein the processor is further configured to display an indicator indicating a status.
15. The system of claim 14 , wherein the status is standby, stimulating, spontaneous, or nerve identified.
16. The system of claim 14 , wherein the indicator is a textual status indicator.
17. The system of claim 14 , wherein the indicator is a non-textual status indicator.
18. The system of claim 17 , wherein the indicator is a color.
19. A method comprising:
applying a plurality of mechanical sensors to a patient to detect muscle movement;
detecting, using at least one of the plurality of mechanical sensors, an artificially induced response of at least two muscles of the patient; and
displaying, on a display having a graphical user interface (GUI):
at least one of:
an amplitude of the response; or
an identity of a nerve associated with each muscle; and
an indication of a primary response; and
an indication of an ancillary response, wherein the indication for the primary response has visually more weight than an indication for the ancillary response.
20. The method of claim 19 , further comprising displaying a relative difference in magnitude between an amplitude of the primary response and an amplitude of the ancillary response.
Continuity (2)
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