A mixing system is disclosed in which the system comprises a source of bone-graft or bone-graft-substitute material, a liquid source, and a vacuum source, at least one of the source of bone-graft or bone-graft-substitute material and the liquid source being in communication with the vacuum source. A
A mixing system is disclosed in which the system comprises a source of bone-graft or bone-graft-substitute material, a liquid source, and a vacuum source, at least one of the source of bone-graft or bone-graft-substitute material and the liquid source being in communication with the vacuum source. A valve assembly also forms part of the system, the valve assembly having a valve movable between a first position in which a first fluid passageway is created between the source of bone-graft or bone-graft-substitute material and the vacuum, and a second position in which a second fluid passageway is created between the source of bone-graft or bone-graft-substitute material and the liquid source, wherein, in the second position, the valve seals off the first fluid passageway, the vacuum source being adapted to generate a negative-pressure environment, relative to atmospheric pressure, within the valve assembly while the valve is in the first position. Methods of utilizing the aforementioned system are also disclosed.
대표청구항▼
1. A system for mixing a bone-graft or bone-graft-substitute material with one or more other components, the system comprising: a source of bone-graft or bone-graft-substitute material, a liquid source, and a vacuum source, at least one of the source of bone-graft or bone-graft-substitute material a
1. A system for mixing a bone-graft or bone-graft-substitute material with one or more other components, the system comprising: a source of bone-graft or bone-graft-substitute material, a liquid source, and a vacuum source, at least one of the source of bone-graft or bone-graft-substitute material and the liquid source being in communication with the vacuum source; anda valve assembly having a valve movable between a first position in which a first fluid passageway is created between the source of bone-graft or bone-graft-substitute material and the vacuum, and a second position in which a second fluid passageway is created between the source of bone-graft or bone-graft-substitute material and the liquid source,wherein the valve assembly includes a series of internal channels, at least some of which house the valve so that the valve is movable from the first position to the second position,wherein the valve and the internal channels within which the valve is housed are dimensioned such that movement of the valve from the first position to the second position is linear, andwherein, in the second position, the valve seals off the first fluid passageway, the vacuum source being adapted to generate a negative-pressure environment, relative to atmospheric pressure, within the valve assembly while the valve is in the first position. 2. The system of claim 1, wherein the vacuum source is adapted to generate the negative-pressure environment while the valve is in the first position, but not the second position. 3. The system of claim 1, wherein the valve has an opening therethrough, the opening being aligned with at least one of the internal channels of the valve assembly when the valve is in the first position. 4. The system of claim 3, wherein the opening in the valve is not aligned with the at least one of the internal channels when the valve is in the second position. 5. The system of claim 1, wherein the valve is movable from the first position to the second position against the force of a compressible member acting on a surface of the valve. 6. The system of claim 5, wherein the compressible member is resilient, such that the valve is automatically movable from the second position to the first position via the resiliency of the compressible member. 7. The system of claim 1, wherein the source of bone-graft or bone-graft-substitute material, the liquid source, and the vacuum source are syringes connected to the valve assembly. 8. The system of claim 1, wherein the bone-graft or bone-graft-substitute material comprises natural bone particles, particles of β-TCP, or hydroxyapatite combined with β-TCP, each of such materials optionally including bioactive glass, and the liquid source comprises water, saline, blood, bone marrow aspirate, or a combination thereof. 9. The system of claim 8, wherein the bone-graft or bone-graft-substitute material is mixed with gelatin, collagen, micro-fibrillar collagen, or a combination thereof.
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