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Full text of "USPTO Patents Application 09804625"

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http://www4jpdl.ncipi.gojp/NSAPlTMP/web447/200502090105552 



2/8/2005 



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JP5277174 



Patent number: 

Publication date: 

Inventor: 
Applicant: 
Classification; 

- international: 

- european: 
Application number: 

Priority number(s): 



JP5277174 
1993-10-26 



A61L27/00 



JP 19920077239 19920331 
JP1 9920077239 19920331 



Abstract of JP5277174 
PURPOSE:To obtain the bioimplantation 
material which is used by being packed into 
the defective part of the bone in oral surgery, 
orthopedics, etc.. and with which the 
neogenetic bone is liable to grow by forming 
the films of uncrosslinked gelatin on the 
surfaces of composites in which the gelatin of 
a crosslinked state carries the particles of a 
calcium phosphate compd. 
CONSTITUTI0N:This bioimplantation material 
is produced in a granular shape by subjecting 
the particles 2 consisting of the calcium 
phosphate compd. to vacuum heat drying, etc., 
to form the composites 4 in which the gelatin 3 
of the crosslinked state carries the particles, 
further, forming the films 5 consisting of the 
uncrosslinked gelatin on the surfaces of such 
composites 4 and aggregating these 
composites. The films Z consisting of the 
uncrosslinked gelatin are soluble in water and. 
therefore, have an adequate viscosity when 
kneading with liquid, such as physiological salt 
soln. Further, the composites 4 carrying the 
particles 2 of the calcium phosphate 
compound become insoluble in water by 
crosslinking of the gelatin and, therfore, even if 
this material is packed into the defective part 
of the bone, the material does not move and 
the bone is regenerated and grows in an early 
period of time. 



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