IP Library Granted Patent US 10,736,990
Granted Patent B2
US 10,736,990 · App. 15/040,936 · Granted Aug 11, 2020

Collagen and micronized placental tissue compositions and methods of making and using the same

Inventors: Thomas J. Koob (Marietta, GA); Michelle Massee (Marietta, GA)
Assignee: MiMedx Group, Inc.
A61L27/3604A61K9/14A61K9/7007A61K35/50A61K38/39A61L26/0033A61L26/0057A61L26/0061A61L26/0095A61L27/24A61L27/54A61L2430/10A61L2430/34
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Quick Facts
Patent No.
US 10,736,990
App. No.
15/040,936
Filed
Feb 10, 2016
Granted
Aug 11, 2020
Kind
B2
Art Unit
1651
USPC
424/583
Abstract

Described herein are compositions of collagen and micronized placental tissue components, methods for producing the same and methods for using the same for wound healing, repairing damaged tendons, cosmetic applications and covering biocompatible materials and/or devices.

Claims (21)

1. A composition comprising water, soluble collagen and micronized placental tissue such that the composition is an integrated admixture having apparent homogeneity, wherein the composition is an aqueous or gelatinous composition which forms a coherent and flexible mass when force and/or shear is applied;

wherein said micronized placental tissue comprises micronized amnion.

2. The composition of claim 1 , wherein the micronized placental tissue further comprises micronized chorion, micronized Wharton's jelly, or a combination thereof.

3. The composition of claim 1 , wherein the micronized placental tissue has a particle size of less than 400 μm.

4. The composition of claim 1 , wherein the micronized placental tissue comprises a micronized tissue graft comprising an amnion layer and a chorion layer, wherein the chorion layer is layered directly over the amnion layer, and further wherein the amnion layer has an exposed basement membrane and an intact fibroblast component.

5. The composition of claim 1 , wherein the micronized placental tissue comprises a micronized tissue graft comprising an amnion layer and a chorion layer, wherein the chorion layer is layered directly over the amnion layer, and further wherein the amnion layer has an intact epithelial cell layer and an intact fibroblast component.

6. The composition of claim 1 , wherein the collagen is human collagen.

7. The composition of claim 1 , wherein the collagen is an aqueous collagen material comprising from about 0.1% to about 2% collagen.

8. The composition of claim 1 , wherein the weight ratio of micronized placental tissue to collagen is from about 3:1 to about 100:1.

9. The composition of claim 1 , wherein the weight ratio of micronized placental tissue to collagen is about 100:1 to about 300:1.

10. A method for transforming an aqueous/gelatinous collagen mass into a coherent and flexible composition, said method comprising:

a. incorporating sufficient micronized placental tissue into an aqueous collagen material; and

b. applying sufficient force and shear to the composition so as to transform the composition into a coherent, flexible mass;

wherein said micronized placental tissue comprises micronized amnion.

11. The method of claim 10 , wherein the aqueous collagen material comprises from about 0.1% to about 2% collagen.

12. The method of claim 10 , wherein the micronized placental tissue further comprises micronized amnion, micronized chorion, micronized Wharton's jelly, or any combination thereof.

13. The method of claim 10 , wherein the micronized placental tissue has a particle size of less than 400 μm.

14. The method of claim 10 , wherein the collagen is human collagen.

15. The method of claim 10 , wherein the weight ratio of micronized placental tissue to collagen is from about 100:1 to about 300:1.

16. A method for treating a wound in a subject in need thereof comprising administering to the wound an effective amount of the composition of claim 1 .

17. A method for treating a cosmetic defect in a subject in need thereof comprising administering to the cosmetic defect an effective amount of the composition of claim 1 .

Assignments (6)
RELEASE OF SECURITY INTEREST Recorded Feb 5, 2024
From: HAYFIN SERVICES LLP
To: MIMEDX GROUP, INC.; MIMEDX PROCESSING SERVICES, LLC
Reel/Frame 066493/0322 →
SECURITY INTEREST Recorded Jan 25, 2024
From: MIMEDX GROUP, INC.
To: CITIZENS BANK, N.A.
Reel/Frame 066371/0136 →
PATENT SECURITY AGREEMENT Recorded Jul 2, 2020
From: MIMEDX GROUP, INC.; MIMEDX PROCESSING SERVICES, LLC
To: HAYFIN SERVICES LLP, AS COLLATERAL AGENT
Reel/Frame 053121/0833 →
RELEASE OF SECURITY INTEREST Recorded Jul 2, 2020
From: BLUE TORCH FINANCE LLC, AS COLLATERAL AGENT
To: MIMEDX GROUP, INC.; MIMEDX PROCESSING SERVICES, LLC
Reel/Frame 054075/0687 →
SECURITY INTEREST Recorded Jun 11, 2019
From: MIMEDX GROUP, INC.
To: BLUE TORCH FINANCE LLC, AS COLLATERAL AGENT
Reel/Frame 049426/0863 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 14, 2016
From: KOOB, THOMAS J.; MASSEE, MICHELLE
To: MIMEDX GROUP, INC.
Reel/Frame 038288/0370 →
Continuity (2)
Provisional Application 62115109 · Feb 11, 2015
Related Publication 20160263281A1 · Sep 15, 2016