IP Library Granted Patent US 11,707,405
Granted Patent B2
US 11,707,405 · App. 16/486,433 · Granted Jul 25, 2023

Compression garment

Inventors: John C. Pamplin (San Francisco, CA); Gregory Biggers (San Francisco, CA)
Assignee: Koya Medical, Inc.
A61H23/02A61F13/085A61H2011/005A61H2201/0207A61H2201/0214A61H2201/5058
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Quick Facts
Patent No.
US 11,707,405
App. No.
16/486,433
Granted
Jul 25, 2023
Kind
B2
Abstract

In an embodiment, a compression garment can include one or more of a flex frame, a shape memory material, a backing, and a control module. In some variations, the flex frame can include a set of support regions, a set of cutout regions, a set of bridges, one or more terminals, and one or more rotation points. In some variations, the compression garment 100 can further include a fabric sleeve, one or more fasteners, a power module, and/or any other suitable component. The compression garment functions as a compression device (e.g., to improve circulation, enhance muscle recovery, etc.), and can additionally or alternatively function as a passive compression device, a heating and/or cooling device, or perform any other suitable functionality.

Claims (39)

1. A compression garment, comprising:

a fabric sleeve;

a flex frame arranged at an exterior surface of the fabric sleeve, the flex frame defining a broad surface and comprising:

a series of protruding regions each having a first thickness in a proximal-distal direction, wherein a thickness of the flex frame is greatest at each of the series of protruding regions, wherein the series of protruding regions comprises a first set of grooves arranged at first edges of the series of protruding regions and a second set of grooves arranged at second edges of the series of protruding regions, and wherein the series of protruding regions comprises magnetic elements disposed at the first and the second edges;

a series of enclosed openings each having a second thickness in the proximal-distal direction, each of the series of enclosed openings passing orthogonally through the broad surface of the flex frame, the series of enclosed openings arranged in an alternating sequence with the series of protruding regions; and

a series of bridges of unitary construction with the series of protruding regions and the series of enclosed openings, each of the series of bridges having a bridge thickness in the proximal-distal direction that is smaller than the first thickness and the second thickness and coupling adjacent protruding region-enclosed opening pairs of the series of protruding regions and the series of enclosed openings;

a first body of shape memory material, the first body of shape memory material comprising a shape memory alloy retained at the first set of grooves and the second set of grooves in a crossed arrangement, wherein the magnetic elements disposed at the first and the second edges of the series of protruding regions are configured to provide magnetic fields to retain the first body of shape memory material in the first and the second set of grooves;

a second body of shape memory material comprising a shape memory polymer coupled to at least one of the first body of shape memory material and the flex frame;

a controller comprising a microprocessor, the controller electrically connected to at least one of the first body of shape memory material and the second body of shape memory material and comprising an active mode, wherein in the active mode

the controller applies a threshold current definition to at least one of the first and the second bodies of shape memory material and, in response, the body of shape memory alloy transitions from a first length to a second length, the second length smaller than the first length;

a flexible backing coupled to an exterior surface of the flex frame; and

a dual fastener system comprising a first fastener and a second fastener, the first fastener configured to be adjusted to set a custom default size for the compression garment, and the second fastener configured to be fastened to secure the compression garment on a user and unfastened to facilitate removal of the compression garment from the user without adjusting the first fastener.

2. The compression garment of claim 1 , wherein the first body of shape memory material crosses over itself proximal each of the series of enclosed openings.

3. The compression garment of claim 1 , further comprising a connection from the controller to a vehicle power source.

4. The compression garment of claim 1 , wherein the controller is configured to apply a set of stimulation patterns, wherein each of the set of stimulation patterns comprises a current parameter for manipulation of at least one of the first and the second bodies of shape memory material in the active mode and a temporal parameter associated with the current parameter.

5. The compression garment of claim 4 , wherein the compression garment comprises a first flex frame and a second flex frame, the first and second flex frames controlled independently of each other, and wherein one of the set of stimulation patterns comprises a time delay between application of a current definition to the first flex frame and application of the current definition to the second flex frame.

6. The compression garment of claim 1 , wherein the shape memory polymer at least partially surrounds the shape memory alloy, the shape memory polymer comprising an expanded state and a compressed state, wherein a transition from the expanded state to the compressed state occurs in response to a predetermined temperature change of the shape memory alloy.

7. The compression garment of claim 1 , wherein the second body of shape memory material comprises a set of magnetic particles, wherein an applied magnetic field induces a morphological change in the second body of shape memory material.

8. A compression garment, comprising:

a fabric sleeve; and

a flex frame arranged at an exterior surface of the fabric sleeve, the flex frame defining a broad surface and comprising:

a series of support regions each having a first thickness in a proximal-distal direction, each of the series of support regions comprising magnetic elements disposed at a first end and a second end, wherein the magnetic elements are configured to provide magnetic fields to retain a body of shape memory material at the first and the second ends;

a series of enclosed openings, each of the series of enclosed openings having a second thickness in the proximal-distal direction and passing orthogonally through the broad surface of the flex frame, the series of enclosed openings arranged in an alternating sequence with the series of support regions;

a series of bridges of unitary construction with the series of support regions and the series of enclosed openings, each of the series of bridges having a bridge thickness in the proximal-distal direction smaller than the first thickness and the second thickness and coupling adjacent support region-enclosed opening pairs of the series of support regions and the series of enclosed openings; and

a dual fastener system comprising a first fastener and a second fastener, the first fastener configured to be adjusted to set a custom default size for the compression garment, and the second fastener configured to be fastened to secure the compression garment on a user and unfastened to facilitate removal of the compression garment from the user without adjusting the first fastener.

9. The compression garment of claim 8 , further comprising:

a body of shape memory material comprising at least one of a shape memory alloy and a shape memory polymer, at least part of the body of shape memory material retained by the series of support regions in a crossed arrangement along a length of the flex frame; and

a controller comprising a microprocessor, the controller electrically connected to the body of shape memory material and comprising an active mode, wherein in the active mode:

the controller applies a threshold current definition to the body of shape memory material and, in response, the body of shape memory material transitions from a first length to a second length, the second length smaller than the first length.

10. The compression garment of claim 9 , further comprising a flexible backing coupled to an exterior surface of the flex frame.

11. The compression garment of claim 9 , wherein the body of shape memory material comprises the shape memory alloy retained by the series of support regions in a crossed arrangement along the length of the flex frame, and wherein the body of shape memory material further comprises the shape memory polymer surrounding one or both of the shape memory alloy and the flex frame.

12. The compression garment of claim 11 , wherein the shape memory polymer comprises a first morphological state and a second morphological state, wherein a transition from the first morphological state to the second morphological state is induced by a morphological change to the shape memory alloy.

13. The compression garment of claim 8 , wherein a thickness of the flex frame is greatest at each of the series of support regions.

14. The compression garment of claim 8 , wherein the series of support regions comprises a first set of grooves arranged at first edges of the series of support regions and a second set of grooves arranged at second edges of the series of support regions.

15. The compression garment of claim 9 , wherein a segment of the body of shape memory material crosses over itself proximal each of the series of enclosed openings.

16. The compression garment of claim 9 , further comprising a connection from the controller to a vehicle power source.

17. The compression garment of claim 9 , wherein the controller is configured to apply a set of stimulation patterns, wherein each of the set of stimulation patterns comprises a current parameter for manipulation of a segment of the body of shape memory material and a temporal parameter associated with the current parameter.

18. The compression garment of claim 17 , further comprising a biometric sensor subsystem, coupled to the controller, that generates a biometric dataset for a user, and wherein at least one of the current parameter and the temporal parameter is determined based on the biometric dataset of the user.

19. The compression garment of claim 17 , wherein the compression garment comprises a first flex frame and a second flex frame, the first and second flex frames controlled independently of each other, and wherein one of the set of stimulation patterns comprises a time delay between an application of a current definition to the first flex frame and the application of the current definition to the second flex frame.

Assignments (7)
SECURITY INTEREST Recorded Apr 11, 2025
From: KOYA MEDICAL, INC.; EVOLYM LLC; MONTRA MEDICAL LLC
To: OXFORD FINANCE LLC
Reel/Frame 070814/0459 →
RELEASE OF SECURITY INTEREST Recorded Oct 31, 2024
From: RC SPV LLC
To: KOYA MEDICAL, INC.
Reel/Frame 069089/0471 →
SECURITY INTEREST Recorded Oct 31, 2024
From: KOYA MEDICAL, INC.
To: OXFORD FINANCE LLC
Reel/Frame 069089/0694 →
SECURITY INTEREST Recorded Nov 14, 2023
From: KOYA MEDICAL, INC.
To: RC SPV LLC
Reel/Frame 065555/0729 →
CHANGE OF NAME Recorded Mar 7, 2023
From: KOYA, INC.
To: KOYA MEDICAL, INC.
Reel/Frame 062975/0085 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 12, 2022
From: PAMPLIN, JOHN C; BIGGERS, GREGORY
To: COMPRESSION KINETICS, INC.
Reel/Frame 060793/0699 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 12, 2022
From: COMPRESSION KINETICS, INC.
To: KOYA, INC.
Reel/Frame 060793/0959 →
Continuity (2)
Provisional Application 62459773 · Feb 16, 2017
Related Publication 20200000677A1 · Jan 2, 2020
Cited By (3)
US 12,383,459 US 12,545,380 US 12,611,137