Standardizations and medical devices for the preparation of platelet rich plasma (PRP) or bone marrow concentrate (BMC) alone or in combination with hyaluronic acid
The present invention is related to the field of tissue regeneration. It concerns more particularly new standardizations and medical devices for the preparation of A-PRP, PRP, BMC, fat tissue, alone or in combination with a biomaterial or cell extract.
1 . A container for preparation of any of plasma concentrate (PC) and bone marrow concentrate (BMC) in combination with at least one biomaterial,
wherein the container is prefilled with the at least one biomaterial and at least one coagulation activator prior to introduction of blood or bone marrow for concentrate formation,
wherein the container is sterile and under vacuum with the at least one biomaterial and at least one coagulation activator prefilled therein prior to use,
wherein the at least one biomaterial is selected from hyaluronic acid, chitosan, silk protein or fibroin, cell extract, or any combination thereof, and
wherein the at least one coagulation activator is selected from thrombin serum, calcium gluconate, calcium chloride, or any combination thereof.
2 . The container of claim 1 , wherein the at least one coagulation activator comprises a thrombin activator, a fibrinogen activator, thrombin, an autologous thrombin, an autologous thrombin serum, calcium chloride, calcium gluconate, calcium saccharate, or a combination thereof.
3 . The container of claim 2 , wherein the calcium gluconate comprises about 1% to about 10%.
4 . The container of claim 2 , wherein for a 100 ml of solution, the calcium gluconate comprises about 9.5 g and the calcium saccharate comprises about 360 mg.
5 . The container of claim 2 , wherein for a 2 ml single dose ampoule, the calcium gluconate comprises about 0.19 g and the calcium saccharate comprises about 7.2 mg for a calcium content of about 0.463 mmol per 2 ml ampoule.
6 . The container of claim 2 , wherein for a 5 ml single dose ampoule, the calcium gluconate comprises about 0.47 g and the calcium saccharate comprises about 18 mg for about 1.148 mmol per 5 ml ampoule.
7 . The container of claim 1 , wherein the container is prefilled with at least one anticoagulant.
8 . The container of claim 7 , wherein the at the least one anticoagulant comprises about 0.2 ml to about 1 ml of anticoagulant.
9 . The container of claim 7 , wherein the at least one anticoagulant comprises sodium citrate.
10 . The container of claim 1 , wherein the container is prefilled with any of a filter and a composition allowing separation of red blood cells (RBCs).
11 . The container of claim 10 , wherein the composition comprises a cell selector gel (CSG), a thixotropic gel, an inert polyester CSG, or a combination thereof.
12 . The container of claim 11 , wherein the container comprises about 1 ml to about 4 ml of cell-selector gel.
13 . The container of claim 1 , wherein the container contains from about 0.5 ml to 5 ml of the at least one biomaterial.
14 . The container of claim 1 , wherein the hyaluronic acid is in the form of a gel.
15 . The container of claim 14 , wherein the hyaluronic acid resides in a buffer.
16 . The container of claim 15 , wherein the hyaluronic acid comprises a phosphate buffer containing sodium chloride, dipotassium hydrogenphosphate, potassium dihydrogenphospate, potassium chloride, water, or a combination thereof.
17 . The container of claim 1 , wherein the hyaluronic acid is reticulated or non-reticulated.
18 . The container of claim 1 , wherein the hyaluronic acid comprises about 40 mg to about 200 mg.
19 . The container of claim 1 , wherein the hyaluronic acid has a molecular weight of about 1000 KDa to about 2000 KDa at about 1.5% to about 2.5% concentration.
20 . The container of claim 1 , wherein the container is a centrifugation tube and is prefilled with a thixotropic gel and an anticoagulant.
21 . The container of claim 20 , wherein the tube is prefilled with about 2.0 g of hyaluronic acid 1550 KDa, about 1.9 g of thixotropic gel, and about 0.7 ml sodium citrate solution at about 0.109M.
22 . The container of claim 1 , wherein the container comprises at least one PC or BMC preservation solution.
23 . The container of claim 22 , wherein the least one PC or BMC preservation solution comprises plasmalyte-A.
24 . The container of claim 1 , wherein the container comprises a cell selector gel, tricalcium phosphate (TCP), a bone substitute, hyaluronic acid composition, calcium gluconate, calcium saccharate, chitosan, fibroin, fibroin-silk protein or fibroin proteins, growth factors, mannitol, collagen, albumin, ascorbic acid, cream, fat cells, fat tissue, bone marrow concentrate, lubricin, cd-gelatin, botulinum toxin, one or more cell extracts, or a combination thereof.
25 . The container of claim 24 , wherein the container comprises an autologous cell extract selected from an extract of keratinocytes, bone marrow, fibroblasts, periosteum or corneal cells, melanocytes and Langerhans cells, fat cells, muscle cells comprising any of myoblasts and satellite cells, osteoblasts, chondrocytes, umbilical cord cells, stem cells, mesenchymal stem cells (MSCs), preadipocytes, adipocytes, pre-endhotelial cells, Schwann cells or Achilles tendon cells, or a combination thereof.
26 . The container of claim 1 , wherein the container comprises any of a tube and syringe.
27 . The container of claim 26 , wherein the container comprises a tube or syringe that is adapted to allow for the collection or withdrawal of about 1 ml to about 20 ml of whole blood, bone marrow, PC or BMC.
28 . The container of claim 1 , wherein the container is under vacuum.
29 . The container of claim 1 , wherein the container is any of sterile and non-pyrogenic, wherein the container is adapted for preparation of platelet rich plasma (PRP), autologous PRP, PC, autologous PC, autologous BMC, or a combination thereof.
30 . A kit for preparation of any of plasma concentrate (PC) and bone marrow concentrate (BMC) in combination with at least one biomaterial selected from hyaluronic acid, chitosan, silk protein or fibroin, cell extract, or any combination thereof, wherein the kit comprises:
a container, wherein the container is prefilled with the at least one biomaterial and at least one coagulation activator prior to introduction of blood or bone marrow for concentrate formation, wherein a prefilled combination of biomaterial and coagulation activator enhances stability of a resulting biomaterial-PC/BMC composition formed after introduction of the blood or bone marrow into the container, wherein the container is sterile and under vacuum with the at least one biomaterial and at least one coagulation activator prefilled therein prior to use, and wherein the at least one coagulation activator is selected from thrombin serum, calcium gluconate, calcium chloride, or a combination thereof; and
a collection device to be affixed to the container for collecting any of blood and bone marrow into the container.
31 . The kit of claim 30 , wherein any of the blood and the bone marrow is collected in closed circuit.