Blood smear preparation device

Details Blood smear preparation device Blood smear preparation device

2006-08-22

2009-10-27

Griffin, Walter D (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

Reexamination Certificate

active

07608220

ABSTRACT:
A blood smear preparation device includes a base; a carrying table for carrying a microscope slide thereon and being supported on the base; a lifting mechanism mounted to the base; a retaining stand suspended from an output end of the lifting mechanism; a spreader holder rotatably suspended from the retaining stand about a second rotating shaft and positioned above the carrying table; a positioning member for positioning the spreader; and a torsion elastic member provided about the second rotating shaft, with a free end of the torsion elastic member abutting against the spreader holder. With the provision of the second rotating shaft and the torsion elastic member, the spreader has a certain degree of flexibility and self-adaptiveness. Even if the spreader or the microscope slide has no good micro-flatness or straightness, the device may automatically adjust the positions of the spreader and the microscope slide to achieve a line contact and a surface contact, and thus ensure the quality of the blood smear.

REFERENCES:
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patent: 5676910 (1997-10-01), Levine et al.
patent: 5854075 (1998-12-01), Levine et al.
patent: 6319470 (2001-11-01), Lefevre et al.
patent: 2003/0003022 (2003-01-01), Tamura et al.
patent: 88207465.2 (1989-06-01), None
patent: 93203464.0 (1994-01-01), None
patent: WO 9828603 (1998-07-01), None
SIPO Search Report for corresponding Chinese application, 4 pages, dated Jun. 1, 2006.
English translation of abstract for Chinese Patent Application No. 88207465.2.
English transalation of abstract for Chinese Patent Publication No. 93203464.0.

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