IP Library › Granted Patent US 12,285,161
Granted Patent B2
US 12,285,161 · App. 17/538,220 · Granted Apr 29, 2025

Support apparatus for a medical retractor device

Inventors: Christina J. Shuh (Snohomish, WA); Ralph Wadensweiler (Sunnyvale, CA); Kyle R. Miller (San Jose, CA)
Assignee: Intuitive Surgical Operations, Inc.
A61B17/0218A61B2017/0023A61B2017/00867A61B2017/0225A61B34/35
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Quick Facts
Patent No.
US 12,285,161
App. No.
17/538,220
Granted
Apr 29, 2025
Kind
B2
Abstract

A support apparatus for a medical device includes a first sleeve, a second sleeve, and a flexible contact member. The first sleeve is configured to be coupled to a first tool member of an end effector assembly that includes the first tool member, a second tool member, and a clevis, in which the first and second tool members are each rotatably coupled to the clevis such that second tool member can be moved relative to the first tool member between a first and a second orientation. The second sleeve is configured to be coupled to the second tool member. The flexible contact member is coupled to the first sleeve and the second sleeve, and is configured be moved between a collapsed configuration when the second tool member is in the first orientation and an expanded configuration when the second tool member is in the second orientation.

Claims (48)

1. An apparatus, comprising:

a first blade;

a second blade;

a clevis, the first blade and the second blade each being rotatably coupled to the clevis such that the second blade can be moved relative to the first blade between a first orientation and a second orientation, a first contact surface of the first blade being spaced apart from a second contact surface of the second blade by a gap; and

a support structure including a first connector, a second connector, and a flexible contact member,

the first connector including an elongate portion configured to extend along a length of the first blade and including a protrusion extending outwardly therefrom and configured to be received through a slot in the first blade,

the second connector including a sleeve configured to receive the second blade, and

the support structure configured to be coupled to the first blade and the second blade, the flexible contact member being movable between a collapsed configuration when the second blade is in the first orientation and an expanded configuration when the second blade is in the second orientation, at least a portion of the flexible contact member being within the gap when the flexible contact member is in the collapsed configuration.

2. The apparatus of claim 1 , wherein the first blade and the second blade are aligned when the second blade is in the first orientation such that the first blade and the second blade can be advanced through a cannula.

3. The apparatus of claim 1 , wherein the first contact surface and the second contact surface are parallel and a rotation of the second blade relative to the first blade is about an axis perpendicular to the first contact surface.

4. The apparatus of claim 1 , wherein:

the elongate portion of the first connector is configured to be placed in contact with a portion of the first contact surface; and

the second connector is configured to be placed about a portion of the second contact surface.

5. The apparatus of claim 1 , further comprising:

a third blade, the third blade including a flat surface; and

the flexible contact member is configured to extend across the flat surface of the third blade when the second blade is in the second orientation.

6. The apparatus of claim 1 , further comprising:

a third blade;

the support structure further comprises a third connector configured to be coupled to a portion of the third blade; and

the flexible contact member comprises a first portion coupled to the first connector and the third connector, and a second portion coupled to the second connector and the third connector.

7. The apparatus of claim 1 , wherein:

the sleeve of the second connector comprises a retention portion configured to engage the second blade to retain the second connector about the second contact surface.

8. The apparatus of claim 7 , wherein:

on the condition that the second blade is received within the second connector, the retention portion interferes with the second blade to limit movement of the second connector from the second blade.

9. The apparatus of claim 7 , wherein:

the sleeve of the second connector comprises an interior dimension less than an exterior dimension of the second blade.

10. The apparatus of claim 1 , wherein the flexible contact member comprises a plurality of elongate connectors forming an interlaced structure with each other, the interlaced structure extending between the first connector and the second connector.

11. The apparatus of claim 1 , wherein:

the first connector is configured to be removably coupled to the first blade, and

the second connector is configured to be removably coupled to the second blade.

12. An endoscopic surgical tissue retractor, comprising:

a first blade having a first contact surface;

a second blade having a second contact surface, the first contact surface and the second contact surface being parallel;

a clevis being rotatably coupled to the first blade and the second blade such that the second blade can be rotated relative to the first blade between a first orientation and a second orientation about an axis that is perpendicular to the first contact surface and the second contact surface; and

a flexible contact member coupled to a first removable connector and a second removable connector, the first removable connector is configured to be removably mated to the first blade and has an inner height sized to form a retention member between the first removable connector and the first blade and the second removable connector is configured to be removably mated to the second blade and has an inner height sized such that a retention member is formed between second removable connector and the second blade,

the flexible contact member being movable between a collapsed configuration when the second blade is in the first orientation and an expanded configuration when the second blade is in the second orientation,

wherein the first blade, the second blade, and the flexible contact member each collapse such that the first blade, the second blade, and the flexible contact member are configured to advance through a cannula.

13. The endoscopic surgical tissue retractor of claim 12 , wherein:

the first removable connector is a first sleeve configured to be placed about a portion of the first blade; and

the second removable connector is a second sleeve configured to be placed about a portion of the second blade.

14. The endoscopic surgical tissue retractor of claim 12 , wherein:

the first removable connector comprises a first retention portion that wraps around a portion of the first blade to retain the first removable connector about the first contact surface; and

the second removable connector comprises a retention portion that wraps around a portion of the second blade to retain the second removable connector about the second contact surface.

15. The endoscopic surgical tissue retractor of claim 12 , further comprising:

a third blade having a third removable connector configured to be placed about a portion of the third blade, wherein the flexible contact member is coupled to the third removable connector.

16. The endoscopic surgical tissue retractor of claim 12 , wherein:

the first removable connector has an interior dimension less than an exterior dimension of the first blade, and

the second removable connector has an interior dimension less than an exterior dimension of the second blade.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 30, 2021
From: SHUH, CHRISTINA J.; WADENSWEILER, RALPH; MILLER, KYLE R.
To: INTUITIVE SURGICAL OPERATIONS, INC.
Reel/Frame 058244/0626 →
Continuity (3)
Continuation 16682599 · Nov 13, 2019
Provisional Application 62767682 · Nov 15, 2018
Related Publication 20220087668A1 · Mar 24, 2022
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