Cell Bandage for Repair of Torn Meniscus – development of an improved product and a manufacturing process suitable for its effective commercialisation

A torn meniscus currently means losing part of the knee’s shock absorber. Surgeons must cut away the damaged tissue because it cannot heal on its own. This project turns a patient’s own bone marrow stem cells into a living patch—a “Cell Bandage”—that repairs the tear instead of removing it. The problem is that existing treatments leave the knee permanently less stable, raising the risk of arthritis later in life. The researchers already tested a prototype in a small number of patients with encouraging results. Now they are making three practical improvements: a membrane that surgeons can implant more easily, a switch to stem cells from a single donor for consistent quality and lower cost, and a freezing process so the bandage can be stored ready for use. If this succeeds, the Cell Bandage could become an off-the-shelf product that repairs meniscus tears rather than removing tissue. That would preserve knee function and potentially delay or prevent post-injury arthritis. The work is applied commercial development, not fundamental science—the core biology of stem-cell repair is already established. The challenge here is manufacturing and delivery: making a reliable, affordable product that surgeons can use in routine practice.