Thermal treatment devices

Patent metadata

Field	Value
Publication number	US-11737914-B2
Application number	US-201816187755-A
Country	US
Kind code	B2
Filing date	Nov 12, 2018
Priority date	Nov 17, 2017
Publication date	Aug 29, 2023
Grant date	Aug 29, 2023

Abstract

A temperature management device for warming or cooling a person's body includes a device body, which has a fluid conduit for flowing fluid through the device body. The device body includes a contact surface to face and contact the person's body on which the device body is applied and is configured to conform to the person's body wherein the contact surface contacts the person's body and follows a surface topography of the person's body, and further provides a thermally conductive surface for transmitting thermal energy from the fluid flowing through the fluid conduit to the person's body.

First claim

We claim:

1. A temperature management device for warming or cooling a person's body, said temperature management device comprising:
a device body, said device body having a fluid conduit for flowing a thermal fluid through said device body;
said device body including a contact surface to face and apply a weighted conforming contact to the person's body on which said device body is applied; and
said device body having a cavity holding a conformable fill of a plurality of particles collectively forming a granular material wherein the granular material provides the weighted conforming contact to the person's body wherein said contact surface contacts the person's body and follows a surface topography of the person's body and further provides a thermally conductive surface for transmitting thermal energy from the thermal fluid flowing through said fluid conduit to the person's body, wherein the granular material held in the cavity is not embedded in a gel.

2. The temperature management device according to claim 1 , wherein said conformable fill has a density greater than the density of the fluid.

3. The temperature management device according to claim 2 , wherein said conformable fill comprises a thermally conductive or thermally insulative granular material.

4. The temperature management device according to claim 3 , wherein said conformable fill comprises granular material selected from the group consisting of metal, sand, silica, glass, and ceramic.

5. The temperature management device according to claim 2 , wherein said conformable fill is located in discrete locations in said device body.

6. The temperature management device according to claim 2 , wherein said conformable fill forms a layer of granular material, said layer of granular material extending along said contact surface to apply a distributed load on the person's body under said contact surface.

7. The temperature management device according to claim 2 , wherein said fluid conduit extends through said granular material.

8. The temperature management device according to claim 2 , wherein said conformable fill is located between said fluid conduit and said contact surface.

9. The temperature management device according to claim 2 , wherein said device body includes an exterior surface facing outwardly from the person when said device body is applied to the person's body, and said conformable fill being located between said fluid conduit and said exterior surface.

10. The temperature management device according to claim 2 , further comprising at least one removable insert in said device body, said removable insert including said conformable fill.

11. The temperature management device according to claim 2 , wherein said granular material comprises a first granular material, said device body further includes a second granular material different than said first granular material.

12. The temperature management device according to claim 1 , wherein said contact surface is an adhesive free contact surface.

13. The temperature management device according to claim 1 , wherein said device body comprises a pad.

14. The temperature management device according to claim 1 , wherein said device body comprises two pads.

15. The temperature management device according to claim 1 , wherein said device body includes one or more enclosed cavities holding a conforming fluid, said conforming fluid to assist said device body to conform to the person's body and provide a thermal medium in said device body, and said conforming fluid comprising a nanofluid.

16. The temperature management device according to claim 1 , further comprising a pump coupled to said device body to generate a reduced pressure between the contact surface and the person's body when said device body is applied to the person's body and said pump is operated.

17. The temperature management device according to claim 1 , wherein said contact surface is porous.

18. The temperature management device according to claim 1 , wherein at least a portion of said temperature management device is disposable.

19. A temperature management device for warming or cooling a person's body, said temperature management device comprising:
a device body, said device body having a fluid conduit for flowing fluid through said device body;
said device body including a contact surface to face and contact the person's body on which said device body is applied; and
said device body further including a cavity filled with a conformable fill of granular material arranged in a layer or a region, said fill configured to conform said contact surface to the person's body wherein said contact surface contacts the person's body and follows a surface topography of the person's body and further provides a thermally conductive interface for transmitting thermal energy from the fluid flowing through said fluid conduit to the person's body wherein the granular material provided in the cavity is not embedded in a gel.

20. The temperature management device according to claim 19 , further comprising a thermally conductive layer, said thermally conductive layer forming said contact surface.

21. The temperature management device according to claim 19 , wherein said layer or region comprises a layer or region of thermally conductive granular material.

Assignees

• Stryker Corp

Inventors

• Taylor Gregory S
• Titov Alexey
• Phan Hieu

Classifications

• A61F7/0097 Primary

  Blankets with active heating or cooling sources (warming mats A61F7/08) · CPC title

• A61B18/02

  by cooling, e.g. cryogenic techniques · CPC title

• A61B18/04

  by heating (by applying electromagnetic radiation A61B18/18) · CPC title

• A61F7/02

  Compresses or poultices for effecting heating or cooling · CPC title

• A61B2018/00797

  measured by multiple temperature sensors · CPC title