Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-10-03
1987-09-22
Czaja, Donald E.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 57, 156241, 156285, 156289, 156298, 156344, 839155, 269 21, B32B 3500
Patent
active
046953396
ABSTRACT:
A system for preparing tissue blocks for sectioning in a microtome is provided. A vacuum-retracted membrane of plastic film material is used to draw a tissue block or specimen into planar contact with a polished platform that is positioned in a vacuum receptacle assembly. A cover plate forms a seal between the membrane and the vacuum receptacle assembly, whereupon a vacuum source is activated to retract the membrane against the tissue block and polished platform. The user adjusts any peripheral edges of the tissue block that are not properly oriented or in a planar position. The tissue block is frozen to the platform once it is properly oriented. The membrane is subsequently peeled away from the platform and the platform/block complex is placed into a mounting device and O.C.T. compound is applied thereto. The O.C.T. compound is also applied to a corrugated platform carried by the mounting device, and the polished and corrugated platforms are mated, with the O.C.T. compound and tissue block therebetween. The O.C.T. compound is allowed to solidify, and the platforms are separated, with the tissue block being retained by the corrugated platform. The tissue specimen is ready for sectioning as part of the Mohs fresh tissue surgical technique.
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Cashion Jr. Merrell C.
Czaja Donald E.
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