Hemcon Medical Technologies, Inc.

William David Block

Simon J McCarthy

Kenton W Gregory

Staci Ann McAdams

Hal J Oien

John W Morgan

Dental dressing assemblies are formed from hydrophilic polymer sponge structures, such as a densified chitosan biomaterial. The invention also contemplates systems and methods that can be used in conjunction with stents and periodontal dressings to promote hemostasis and secondary healing in free gingival graft palatal donor sites and all other oral and maxillofacial surgical sites.

Compositions, assemblies, and methods applied during or after a dental procedure to ameliorate fluid loss and/or promote healing, using a hydrophilic polymer sponge structure such as chitosan

Dental dressing assemblies are formed from hydrophilic polymer sponge structures, such as a densified chitosan biomaterial.

A freeze-dried material is stored in a first chamber of a container along with a reconstituting liquid for the freeze-dried material, which is stored in a second chamber of the container. A sealing wall within the container forms a barrier between the first chamber and the second chamber preventing contact between the freeze-dried material and the reconstituting liquid. At least one valve assembly in the sealing wall selectively opens a region of the sealing wall to establish fluid flow communication between the first and second chambers, allowing the freeze dried material to be reconstituted. The reconstituted freeze-dried material can be administered from the same container to a recipient.

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Lake Oswego, OR, United States of America

William David Block