	US 11,717,595 B2
	Method for retaining demineralized bone matrix particles
Habib Boozari, Hacienda Heights, CA (US)
Assigned to NuVasive, Inc., San Diego, CA (US)
Filed by NuVasive, Inc., San Diego, CA (US)
Filed on Jan. 22, 2021, as Appl. No. 17/155,717.
Application 17/155,717 is a continuation of application No. 16/272,189, filed on Feb. 11, 2019, abandoned.
Application 16/272,189 is a continuation of application No. 14/735,128, filed on Jun. 9, 2015, granted, now 10,232,084, issued on Mar. 19, 2019.
Application 14/735,128 is a continuation of application No. 13/457,478, filed on Apr. 26, 2012, abandoned.
Claims priority of provisional application 61/479,378, filed on Apr. 26, 2011.
Prior Publication US 2021/0138116 A1, May 13, 2021
Int. Cl. A61L 27/36 (2006.01); B01D 37/00 (2006.01); B01D 29/05 (2006.01); B01D 29/96 (2006.01); B01D 35/02 (2006.01); B01D 35/30 (2006.01)

CPC A61L 27/3691 (2013.01) [A61L 27/365 (2013.01); A61L 27/3608 (2013.01); B01D 29/05 (2013.01); B01D 29/96 (2013.01); B01D 37/00 (2013.01); A61L 2430/02 (2013.01); B01D 35/02 (2013.01); B01D 35/306 (2013.01); B01D 2201/0415 (2013.01)]

14 Claims

1. A container for separating liquid and retaining a bone graft material from a mixture including the bone graft material and the liquid, the container comprising:

a filter device configured to move from a first elevated position to a second position within the container, wherein in the second position, the filter device rests against the mixture, the filter device comprising a screen and a compressible split-ring frame having an upper surface, a lower surface, and an open gap extending through the upper and lower surfaces, the screen comprising a plurality of pores, wherein the container is configured for pouring the liquid out of the container while the bone graft material is retained within the container beneath the filter device, and

wherein a peripheral edge of the screen is configured to be sandwiched between the lower surface of the compressible split-ring frame and the mixture.