IP Library Granted Patent US 11,986,183
Granted Patent B2
US 11,986,183 · App. 17/838,589 · Granted May 21, 2024

Surgical cutting and fastening instrument comprising a plurality of sensors to measure an electrical parameter

Inventors: David C. Yates (Morrow, OH); Frederick E. Shelton, IV (Hillsboro, OH); James R. Giordano (Milford, OH)
Assignee: Cilag GmbH International
A61B17/07207A61B18/1482A61B34/30A61B34/37A61B34/71A61B34/76A61B50/36A61B90/98A61B2017/00115A61B2017/00199A61B2017/00203A61B2017/0023A61B2017/00305A61B2017/00314A61B2017/00323A61B2017/00327A61B2017/00398A61B2017/00464A61B2017/00477A61B2017/00482A61B2017/00734A61B2017/00738A61B2017/0688A61B17/072A61B2017/0725A61B2017/07271A61B2017/07278A61B2017/07285A61B2017/2905A61B2017/2923A61B2017/2927A61B2017/2933A61B2017/2937A61B2017/2943A61B2017/320052A61B2018/00601A61B2090/031A61B2090/506
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Quick Facts
Patent No.
US 11,986,183
App. No.
17/838,589
Granted
May 21, 2024
Kind
B2
Abstract

A surgical stapling assembly is disclosed comprising a shaft, an end effector attached to the shaft, an electric motor, a plurality of sensors positioned within the end effector to measure an electrical parameter, and a control circuit. The end effector comprises a first jaw, a second jaw movable relative to the first jaw, and a firing driver to deploy staples and cut tissue. The electric motor is to actuate the firing driver. The control circuit is to actuate the electric motor to deploy staples from a staple cartridge during a firing stroke, monitor the electrical parameter at a first location of the firing stroke, and monitor the electrical parameter at a second location of the firing stroke, wherein the first location and the second location are different.

Claims (51)

1. A surgical cutting and fastening instrument comprising:

an end effector, comprising:

a first jaw;

a second jaw movable relative to the first jaw; and

a staple cartridge comprising a plurality of staples;

a shaft operably coupled to a robotic system and said end effector, the shaft comprising at least a portion of a drive train for actuating the end effector;

an electric motor to actuate the drive train;

a power pack that comprises at least one charge-accumulating device connected to the electric motor for powering the electric motor;

a plurality of sensors positioned within the end effector to measure impedance; and

a control circuit to:

actuate the electric motor to deploy staples from the staple cartridge during a firing stroke;

monitor the impedance at a first location along a length of the firing stroke; and

monitor the impedance at a second location along the length of the firing stroke, wherein the first location and the second location are different.

2. The surgical cutting and fastening instrument of claim 1 , wherein the control circuit is further to adjust a tissue treatment condition based on the monitored impedance at the first location and the monitored impedance at the second location.

3. The surgical cutting and fastening instrument of claim 1 , further comprising a closure driver to clamp tissue between the first jaw and the second jaw and a firing driver to deploy the staples from the staple cartridge, wherein the closure driver is actuatable independently of the firing driver.

4. The surgical cutting and fastening instrument of claim 3 , wherein the closure driver comprises a closure tube.

5. The surgical cutting and fastening instrument of claim 1 , further comprising a display to display, to a user, feedback associated with the plurality of sensors.

6. A surgical stapling assembly, comprising:

a shaft;

an end effector attached to the shaft, wherein the end effector comprises:

a first jaw;

a second jaw movable relative to the first jaw; and

a firing driver to deploy staples and cut tissue;

an electric motor to actuate the firing driver;

a plurality of sensors positioned within the end effector to measure an electrical parameter; and

a control circuit to:

actuate the electric motor to deploy staples from a staple cartridge during a firing stroke;

monitor the electrical parameter at a first location of the firing stroke; and

monitor the electrical parameter at a second location of the firing stroke, wherein the first location and the second location are different.

7. The surgical stapling assembly of claim 6 , wherein the control circuit is further to adjust a tissue treatment condition based on the monitored electrical parameter at the first location and the monitored electrical parameter at the second location.

8. The surgical stapling assembly of claim 6 , further comprising a closure driver to clamp tissue between the first jaw and the second jaw, wherein the closure driver is actuatable independently of the firing driver.

9. The surgical stapling assembly of claim 8 , wherein the closure driver comprises a closure tube.

10. The surgical stapling assembly of claim 6 , further comprising a display to display, to a user, feedback associated with the monitored electrical parameter at the first location and the monitored electrical parameter at the second location.

11. The surgical stapling assembly of claim 6 , wherein the electrical parameter comprises an impedance of an object positioned between the first jaw and the second jaw.

12. A surgical stapling assembly, comprising:

a shaft;

an end effector attached to the shaft, wherein the end effector comprises:

a first jaw;

a second jaw movable relative to the first jaw; and

a firing driver to deploy staples and cut tissue;

an electric motor to actuate the firing driver through a firing stroke;

a plurality of sensors positioned along a firing stroke length of the firing stroke on at least one of the first jaw and the second jaw to measure an electrical parameter of an object positioned between the first jaw and the second jaw; and

a control circuit to:

actuate the electric motor to deploy staples from a staple cartridge during the firing stroke;

monitor the electrical parameter at a plurality of positions along the firing stroke length; and

identify a short circuit and a location thereof associated with the object positioned between the first jaw and the second jaw based on the monitored electrical parameter at the plurality of positions.

13. The surgical stapling assembly of claim 12 , wherein the control circuit is further to adjust a tissue treatment function based on the monitored electrical parameter.

14. The surgical stapling assembly of claim 12 , further comprising a closure driver to clamp tissue between the first jaw and the second jaw, wherein the closure driver is actuatable independently of the firing driver.

15. The surgical stapling assembly of claim 14 , wherein the closure driver comprises a closure tube.

16. The surgical stapling assembly of claim 12 , further comprising a display to display, to a user, feedback associated with the monitored electrical parameter at the plurality of positions along the firing stroke length.

17. The surgical stapling assembly of claim 12 , wherein the electrical parameter comprises an impedance of the object positioned between the first jaw and the second jaw.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 24, 2023
From: YATES, DAVID C.; SHELTON, FREDERICK E., IV; GIORDANO, JAMES R.
To: ETHICON ENDO-SURGERY, INC.
Reel/Frame 063742/0970 →
CHANGE OF NAME Recorded May 24, 2023
From: ETHICON ENDO-SURGERY, LLC
To: ETHICON LLC
Reel/Frame 063743/0091 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 24, 2023
From: ETHICON ENDO-SURGERY, INC.
To: ETHICON ENDO-SURGERY, LLC
Reel/Frame 063743/0157 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 24, 2023
From: ETHICON LLC
To: CILAG GMBH INTERNATIONAL
Reel/Frame 063743/0296 →
Continuity (5)
Continuation 17018047 · Sep 11, 2020
Continuation 14930826 · Nov 3, 2015
Continuation 13118190 · May 27, 2011
Continuation In Part 12031567 · Feb 14, 2008
Related Publication 20220387031A1 · Dec 8, 2022
Cited By (1)
US 12,564,401