A covering for delivering a substance or material to a surgical site is provided. The covering, with substance provided therein, may be referred to as a delivery system. Generally, the covering may be a single or multi-compartment structure capable of at least partially retaining a substance provide
A covering for delivering a substance or material to a surgical site is provided. The covering, with substance provided therein, may be referred to as a delivery system. Generally, the covering may be a single or multi-compartment structure capable of at least partially retaining a substance provided therein until the covering is placed at a surgical site. Upon placement, the covering may facilitate transfer of the substance or surrounding materials. For example, the substance may be released (actively or passively) to the surgical site. The covering may participate in, control, or otherwise adjust, the release of the substance.
대표청구항▼
1. A delivery system comprising: a covering comprising a first compartment, the covering being a porous biodegradable polymer mesh and including a physical attachment mechanism;a first substance provided within the covering and comprising fully demineralized bone fibers and surface demineralized bon
1. A delivery system comprising: a covering comprising a first compartment, the covering being a porous biodegradable polymer mesh and including a physical attachment mechanism;a first substance provided within the covering and comprising fully demineralized bone fibers and surface demineralized bone chips;wherein the covering retains the first substance for placement at a surgical site and facilitates transfer of the first substance or of surrounding materials, actively or passively, upon implantation, and the biodegradable polymer comprises at least one of poly(lactic acid) (PLA), poly(glycolic acid) (PGA), and poly(lactic-co-glycolic acid) (PLGA), and the physical attachment mechanism is integral to the covering. 2. The delivery system of claim 1, wherein the physical attachment mechanism is a wrap. 3. The delivery system of claim 1, wherein the physical attachment mechanism is a suture. 4. The delivery system of claim 1, wherein the physical attachment mechanism is a wire. 5. The delivery system of claim 1, wherein the physical attachment mechanism is a string. 6. The delivery system of claim 1, wherein the physical attachment mechanism is an elastic band. 7. The delivery system of claim 1, wherein the physical attachment mechanism is a cable. 8. The delivery system of claim 1, wherein the physical attachment mechanism is a cable tie. 9. The delivery system of claim 1, wherein the covering comprises a functional material. 10. The delivery system of claim 1, wherein the covering comprises a structural material. 11. The delivery system of claim 1, wherein the covering further comprises a reinforcing material. 12. The delivery system of claim 1, wherein the covering is flexible. 13. The delivery system of claim 1, wherein the first substance is particulated and wherein the covering retains particles of the first substance in spatial proximity to one another. 14. The delivery system of claim 1, wherein the covering comprises an actively releasing material and is configured to release such material during degradation of the covering. 15. The delivery system of claim 1, wherein the covering is tubular. 16. The delivery system of claim 1, wherein the attachment mechanism attaches the delivery system to a tissue structure. 17. The delivery system of claim 1, further comprising a tension band. 18. The delivery system of claim 1, wherein the attachment mechanism cooperates with an attachment mechanism of a second covering. 19. The delivery system of claim 1, wherein the fully demineralized bone fibers and surface demineralized bone chips form a demineralized bone matrix. 20. The delivery system of claim 1, further comprising a second substance within the covering and surrounding the first substance forming a barrier between the covering and the first substance. 21. The delivery system of claim 1, wherein the porosity of the covering is configured to facilitate transfer of the first substance out of the covering to the surgical site upon implantation. 22. The delivery system of claim 1, wherein the porous biodegradable polymer mesh has a pore size of about 100-200 μm. 23. The delivery system of claim 1, wherein the physical attachment mechanism comprises a suture comprising a hydroxyapatite-tricalcium phosphate (HA/TCP) coating.
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