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EP-4319671-B1 - ENERGIZABLE INSTRUMENT ASSEMBLY

EP4319671B1EP 4319671 B1EP4319671 B1EP 4319671B1EP-4319671-B1

Inventors

  • JACOBSEN, Bradley
  • PUCKETT, Katherine
  • SCHUTTE, Wade
  • MIRI, Mohammad
  • Angulo, Juan
  • BRADLEY, Amy
  • CHENG, XIAOMING
  • CHOW, YEUNG
  • DHIMAN, Anjali
  • LAOUAR, YAHIA
  • MANLEY, PRAKASH
  • MASSON, MARTIN
  • MEGNA, MOLLY ANN

Dates

Publication Date
20260513
Application Date
20220404

Claims (12)

  1. A system to control operation of an energizable instrument (20), which is an electrosurgical instrument, comprising: a controller (144) configured to control a generator (144) configured to generate a power signal to be transmitted to a working end (32) of the energizable instrument (20); and a processor module (70) configured to execute instructions to: receive a pose data of the energizable instrument (20) based on navigation data (70i), compare a current operation parameter of the energizable instrument (20) to a recalled planned operation parameter of the energizable instrument (20); determine whether the current operation parameter should change based on the comparison; and if it is determined the current operation parameter should change, generate a control signal to change an operation of the generator (144) to transmit a power signal to the working end (32) of the energizable instrument (20), wherein the processor module (70) is further configured to execute instructions to: recall the planned operation parameter, and wherein the current operation parameter includes at least one of a power, a voltage, a duty cycle, or combinations thereof, the planned operation parameter includes at least one of a planned power, voltage, duty cycle, or combinations thereof at a selected parameter relative to an avoidance region (210, 178, 178a, 178a'), characterised in that the selected parameter relative to the avoidance region (210, 178, 178a, 178a') includes a kinematic feature, and the kinematic feature includes at least a rate of change toward the avoidance region (210, 178, 178a, 178a').
  2. The system of Claim 1, wherein the selected parameter relative to the avoidance region (210, 178, 178a, 178a') additionally includes a pose feature.
  3. The system of Claim 1 or 2, wherein the planned operation parameter includes at least one of a planned power, voltage, duty cycle, or combinations thereof at a selected parameter relative to a caution zone, wherein the caution zone is a zone between the avoidance region (210, 178, 178a, 178a') and a distance therefrom.
  4. The system of Claim 3, wherein the planned power, voltage, duty cycle, or combinations thereof at the selected parameter relative to the avoidance region (210, 178, 178a, 178a') is such that power delivery to the working end (32) is ceased, and wherein the planned power, voltage, duty cycle, or combinations thereof at the selected parameter relative to the caution zone is not a full or peak power, voltage, duty cycle, or combinations thereof.
  5. The system of anyone of Claims 1 to 4, further comprising: an input (200) configured to input a selection of the avoidance region (210, 178, 178a, 178a') of a subject (28).
  6. The system of Claim 5, wherein the avoidance region (210, 178, 178a, 178a') is at least one of manually determined, automatically determined, or combinations thereof.
  7. The system of Claim 5, further comprising: a navigation system (33) configured to track the energizable instrument (20) relative to the avoidance region (210, 178, 178a, 178a') of the subject (28).
  8. The system of Claim 7, wherein the processor module (70) is operable to execute further instructions to determine a past position of the working end (32) and illustrate relative to a displayed image of the subject (28) the past position of the working end (32).
  9. The system of Claim 1, further comprising: the generator (144) configured to be controlled by the controller (144).
  10. The system of anyone of Claims 1 to 6, further comprising: the energizable instrument (20) having the working end (32); and the generator (144) configured to generate a power signal to be transmitted to the working end (32) of the energizable instrument (20) for performing a procedure.
  11. The system of Claim 10, further comprising: a navigation system (33) configured to determine the pose data and transmit the pose data to the processor module (70); wherein the processor module is configured to execute further instructions to: determine a current pose of at least one of the working end or the energizable instrument (20) based on the pose data; and determine a planned operation parameter based on a planned pose of at least one of the working end (32) or the energizable instrument (20) based on the recalled planned operation parameter of the energizable instrument (20); wherein the navigation system (33) comprises a tracking system and a tracker (98, 98'); wherein the tracker (98, 98') is coupled to the energizable instrument (20).
  12. The system of Claim 11, further comprising: a display device (80) configured to display an image of a subject (28) and a graphical icon representing a pose of removed portions of the subject (28) based on at least one determined past position of at least one of the energizable instrument (20) or the working end (32).

Description

FIELD The present disclosure relates to a powered instrument, and particularly to a powered instrument assembly with selected feedback. BACKGROUND During selected procedures, an instrument may be powered and operated, particularly a working end thereof. For example, the tool may be energized for performing a procedure. Instruments may include energized instruments that may be used to cut or resect selected material. The instrument may be an effective cutting instrument that may reduce various intrinsic mechanical feedback. During a selected procedure, such as a surgical procedure, the user (e.g. a surgeon) of the instrument may need to rely solely on visual cues and experience for determining a location of the working end or tip. During a procedure, at least a working end may be hidden from direct view or complete direct view of the user. Thus, an open experience may be required to properly perform a procedure. From EP 1 542 600 A2 a system to control operation of an energizable instrument is known. Further systems to control operation of an energizable instrument are known from US 2016/331473 A1 and US 2019/365477 A1. SUMMARY The object of the present invention is to provide a system to control operation of an energizable instrument, which is an electrosurgical instrument. This object is solved by a system to control operation of an energizable instrument according to claim 1. Further embodiments are subject of the dependent claims. In the following, the inventive system is described also with reference to illustrative methods, procedures, operations, treatments, steps, not forming part of the claimed invention, to further the understanding of the inventive system and how it can be used. During and/or prior to a procedure to a subject, the subject may have a predefined location or portion for having a procedure performed thereon. For example, a skull of a patient may be selected to have a burr hole formed therein. The location, size, etc. of the burr hole may be predefined during a planning procedure. The selected procedure area or volume, however, may also be selected during a procedure. The energizable or powered instrument may also be operated to perform other procedures. The energizable or powered instrument is an electrosurgical instrument. For example, the energizable instrument or may be operated to perform a spinal procedure. Vertebra resection for fusion and/or disc replacements may be operated. Instruments for such procedures include one or more of a PLASMABLADE® Precise Soft Tissue Dissection Devices, including the various PlasmaBlade® X, PlasmaBlade®ENT, PlasmaBlade®PLUS, and/or PlasmaBlade®Needle Dissection Devices, sold by Medtronic, Inc. having a place of business in Minnesota and/or Medtronic Advanced Energy LLC. having a place of business in Louisville, Colorado. A navigation system may track the instrument and a control or power system that may be altered during its use to change a parameter, such as a cutting speed, power, duty cycle. The operation of the instrument may be altered based on a tracked position and orientation, or a combination of both that may be referred to as pose of the instrument. Further areas of applicability will become apparent from the description provided herein. The description and specific examples in this summary are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure. DRAWINGS The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the invention, which is defined by the independent claim. Fig. 1 is an environment view of an assembly comprising the inventive system;Fig. 2 is a schematic illustrated of a energizable instrument and controller, according to various embodiments of the inventive system;Fig. 3 is a schematic illustration of a portion of a spinal column from two directions;Fig. 4 is a schematic view of an inventive system and selected inputs and outputs, according to various embodiments;Fig. 5 is a flowchart of an illustrative operation of an inventive system, according to various embodiments; andFigs. 6A through 6D are displayed views of an illustrative operation of an inventive system during an illustrative procedure, according to various embodiments. Corresponding reference numerals indicate corresponding parts throughout the several views of the drawings. DETAILED DESCRIPTION Example embodiments will now be described more fully with reference to the accompanying drawings. Fig. 1 is an environmental view of an instrument, such as an energizable instrument 20, being used by a user 24, to perform a procedure on a subject (e.g. a patient) 28. The energizable instrument 20 is an electrosurgical instrument including an RF instrument. The instrument 20 may energize a tip or working end 32 of the instrument 20. Thus, the instrument may also be referred to and understood to be an instrum