IP Library › Granted Patent US 12,268,412
Granted Patent B2
US 12,268,412 · App. 18/227,907 · Granted Apr 8, 2025

Surgical instrument with suction control

Inventors: Tejas Satish Inamdar (San Francisco, CA); Mireille Akilian (Candia, NH); Peter Cesarini (Londonderry, NH)
Assignee: Covidien LP
A61B17/320758A61B17/32002A61B90/03A61B2017/00398A61B2017/00455A61B2017/00469A61B2017/00477A61B17/42A61B2017/4216A61B2217/005
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Quick Facts
Patent No.
US 12,268,412
App. No.
18/227,907
Granted
Apr 8, 2025
Kind
B2
Abstract

A surgical device includes an outer member, an inner member, and at least one locking element. The inner member is at least partially supported within the outer member. The at least one locking element is configured in a first arrangement of the surgical device to lock the inner member in a first position and configured in a second arrangement of the surgical device to unlock the inner member from the first position. The at least one locking element is configured to change from the first arrangement to the second arrangement upon coupling the inner member in an operational arrangement to a hand piece.

Claims (28)

1. An end effector assembly of a surgical device, comprising:

a drive housing configured to releasably engage to a surgical device body; and

an insert extending distally from the drive housing, the insert configured for insertion into an internal surgical site,

wherein the drive housing includes an inner member and an outer member, the inner and outer members locked relative to one another to inhibit relative movement therebetween in a first arrangement and unlocked relative to one another to permit the relative movement therebetween in a second arrangement, and

wherein the inner and outer members transition from the first arrangement to the second arrangement upon engagement of the drive housing with the surgical device body.

2. The end effector assembly according to claim 1 , wherein one of the inner member and the outer member translates relative to another of the inner member or the outer member upon engagement of the drive housing with the surgical device body to thereby transition the inner and outer members from the first arrangement to the second arrangement.

3. The end effector assembly according to claim 1 , wherein the inner and outer members transition from the second arrangement to the first arrangement upon disengagement of the drive housing from the surgical device body.

4. The end effector assembly according to claim 3 , wherein one of the inner member or the outer member translates relative to another of the inner member or the outer member upon disengagement of the drive housing from the surgical device body to thereby transition the inner and outer members from the second arrangement to the first arrangement.

5. The end effector assembly according to claim 1 , further comprising at least one locking element movable from a locked condition to an unlocked condition to thereby transition the inner and outer members from the first arrangement to the second arrangement.

6. The end effector assembly according to claim 5 , wherein the at least one locking element is flexible.

7. The end effector assembly according to claim 5 , wherein at least one recess is defined within one of the inner member or the outer member and wherein the at least one locking element engages the at least one recess in the first arrangement.

8. The end effector assembly according to claim 5 , further comprising a coupler connected with one of the inner member or the outer member, and wherein the at least one locking element extends from the coupler to engage another of the outer member or the inner member in the first arrangement.

9. The end effector assembly according to claim 8 , wherein the coupler is configured to engage a drive shaft of the surgical device body upon engagement of the drive housing with the surgical device body to enable the surgical device body to drive at least one of the inner member or outer member relative to one another.

10. The end effector assembly according to claim 1 , wherein the inner member defines an opening and wherein the outer member defines a window, wherein the opening and the window are inhibited from alignment relative to one another in the first arrangement, and wherein the opening and the window are permitted to align relative to one another in the second arrangement.

11. The end effector assembly according to claim 1 , wherein one of the inner member or the outer member includes a cutter configured to cut tissue upon the relative movement between the inner and outer members.

12. The end effector assembly according to claim 1 , wherein the surgical device body is a handpiece configured to be gripped by a surgeon.

13. An end effector assembly of a surgical device, comprising:

a drive housing configured to releasably engage to a surgical device body; and

an insert extending distally from the drive housing, the insert configured for insertion into an internal surgical site,

wherein the drive housing includes an inner member defining an opening and an outer member defining a window, the inner and outer members locked relative to one another with the opening and the window misaligned relative to one another in a first arrangement and unlocked relative to one another to permit alignment of the opening and the window in a second arrangement, and

wherein the inner and outer members transition from the first arrangement to the second arrangement upon engagement of the drive housing with the surgical device body.

14. The end effector assembly according to claim 13 , wherein one of the inner member or the outer member translates relative to another of the inner member or the outer member upon engagement of the drive housing with the surgical device body to thereby transition the inner and outer members from the first arrangement to the second arrangement.

15. The end effector assembly according to claim 13 , wherein the inner and outer members transition from the second arrangement to the first arrangement upon disengagement of the drive housing from the surgical device body.

16. The end effector assembly according to claim 15 , wherein one of the inner member or the outer member translates relative to another of the inner member or the outer member upon disengagement of the drive housing from the surgical device body to thereby transition the inner and outer members from the second arrangement to the first arrangement.

17. The end effector assembly according to claim 13 , further comprising at least one locking element movable between a locked condition and an unlocked condition to thereby transition the inner and outer members between the first arrangement and the second arrangement.

18. The end effector assembly according to claim 17 , further comprising a coupler connected with one of the inner member or the outer member, and wherein the at least one locking element extends from the coupler to engage another of the inner member or the outer member outer member in the first arrangement.

19. The end effector assembly according to claim 13 , wherein one of the inner member or the outer member includes a cutter configured to cut tissue upon the relative movement between the inner and outer members.

20. The end effector assembly according to claim 13 , wherein the surgical device body is a handpiece configured to be gripped by a surgeon.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 29, 2023
From: INAMDAR, TEJAS; AKILIAN, MIREILLE; CESARINI, PETER M.
To: SMITH & NEPHEW, INC.
Reel/Frame 064428/0372 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 29, 2023
From: SMITH & NEPHEW, INC.
To: COVIDIEN LP
Reel/Frame 064428/0389 →
Continuity (4)
Continuation 17069170 · Oct 13, 2020
Division 15580185
Provisional Application 62181565 · Jun 18, 2015
Related Publication 20230371975A1 · Nov 23, 2023
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