Shrink sterile drape and related systems and methods

Patent metadata

Field	Value
Publication number	US-12502239-B2
Application number	US-202217589991-A
Country	US
Kind code	B2
Filing date	Feb 1, 2022
Priority date	Mar 1, 2021
Publication date	Dec 23, 2025
Grant date	Dec 23, 2025

Abstract

A shrink sterile drape according to at least one embodiment of the present disclosure includes a first portion; a second portion configured to shrink relative to the first portion in the presence of heat; and an optical window disposed in the second portion and configured to permit passage of light therethrough.

First claim

What is claimed is:

1 . A shrink sterile drape, comprising:
a first portion; a second portion configured to shrink relative to the first portion in presence of heat; and an optical window disposed in the second portion and configured to permit passage of light therethrough, wherein the shrink sterile drape is configured to cover at least a portion of a medical apparatus, and wherein, when the second portion receives heat, the second portion shrinks onto and substantially conforms to a surface of a surgical robot.

2 . The shrink sterile drape of claim 1 , wherein the surgical robot comprises an O-arm or a robotic arm.

3 . The shrink sterile drape of claim 1 , wherein the second portion comprises at least one of polyethylene, modified fluorinated ethylene propylene (FEP), oriented polystyrene, and polyolefin.

4 . The shrink sterile drape of claim 1 , wherein the second portion is configured to shrink in at least one of a length direction and a width direction and expand in a thickness direction when receiving heat.

5 . The shrink sterile drape of claim 1 , wherein the optical window is configured to shrink in at least one dimension when receiving heat.

6 . The shrink sterile drape of claim 1 , wherein the medical apparatus comprises an imaging device, and wherein the optical window is aligned with the imaging device such that light received by the imaging device passes through the optical window.

7 . The shrink sterile drape of claim 1 , wherein a robotic arm comprises at least one marker, and wherein the optical window is aligned with the at least one marker so that the at least one marker is visible through the optical window.

8 . The shrink sterile drape of claim 7 , wherein at least one marker is disposed on a raised stage of the robotic arm.

9 . A system comprising:
a robotic arm; and a sterilized sheet configured cover at least part of the robotic arm, the sterilized sheet comprising:
a first portion comprising a non-heat-shrinkable material;
a second portion comprising a heat-shrinkable material; and
an optical window disposed in the second portion and configured to permit passage of light therethrough.

10 . The system of claim 9 , wherein the sterilized sheet covers at least a portion of the robotic arm.

11 . The system of claim 10 , wherein the optical window is aligned with an imaging device such that light received by the imaging device passes through the optical window.

12 . The system of claim 9 , wherein the optical window is configured to shrink around an imaging device such that the optical window does not move with respect to the imaging device.

13 . The system of claim 9 , wherein the second portion comprises at least one of polyethylene, modified fluorinated ethylene propylene (FEP), oriented polystyrene, and polyolefin.

14 . The system of claim 9 , wherein the robotic arm comprises a heat source configured to apply heat to the second portion.

15 . The system of claim 14 , wherein the heat source comprises a heated ring.

16 . The system of claim 15 , wherein the heated ring surrounds at least one of a marker and an imaging device disposed on the robotic arm.

17 . A surgical drape comprising:
a first material configured to cover a first portion of a surgical tool; and a second material configured to cover a second portion of the surgical tool, the second portion comprising a light-based element and the second material is a heat-shrinkable material, wherein each of the first material and the second material may be chemically sterilized.

18 . The surgical drape of claim 17 , wherein the light-based element comprises a lens of an imaging device.

19 . The surgical drape of claim 17 , wherein the light-based element comprises a marker.

20 . The surgical drape of claim 17 , wherein the second material is configured to provide a smooth, transparent protective barrier over the light-based element following application of heat thereto.

Assignees

• Mazor Robotics Ltd

Inventors

• Seemann Ziv
• Keret Amir
• Sandelson Adi

Classifications

• A61B34/30

  Surgical robots · CPC title

• A61B34/20

  Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis · CPC title

• A61B2034/2065

  Tracking using image or pattern recognition · CPC title

• A61B46/40

  Drape material, e.g. laminates; Manufacture thereof · CPC title

• A61B2034/2051

  Electromagnetic tracking systems · CPC title