Patent
Filler for filling in defects or hollow portions of bones
Shigeo Niwa,Kazuhiko Sawai,Shinobu Takahashi,Mikiya Ono,Yoshiaki Fukuda,Hiroyasu Takeuchi,Hideo Tagai +6 more
TLDR
A filler for filling in defects or hollow portions of bones to coalesce with the bone tissues is provided which comprises powders of a calcium phosphate compound having the apatite crystalline structure of each crystallite size of 400 Å or larger and of each crystal grain size of 3 μm or smaller.Abstract:
A filler for filling in defects or hollow portions of bones to coalesce with the bone tissues is provided which comprises powders of a calcium phosphate compound having the apatite crystalline structure of each crystallite size of 400 Å or larger and of each crystal grain size of 3 μm or smaller, said calcium phosphate compound being represented by the following general formula of Ca m (PO 4 ) n OH (1.33≦m/n≦1.95), and said powders being fluidized or plasticized.read more
Citations
More filters
Patent
Method and apparatus for treating a vertebral body
Stephen Hochschuler,Wesley D. Johnson,Kevin L. Nickels,Thomas R. Hektner,Larry Wales,Tyler Lipschultz +5 more
TL;DR: An implantable container is used to stabilize or restore height in a vertebral body as mentioned in this paper, and after insertion the container is filled with a bone filler material such as bone cement.
Patent
Prosthetic intervertebral disc
TL;DR: In this article, a spinal disc implant consisting of a first pair of opposed substantially parallel sides, spaced apart by a second pair of opposite sides, is presented. And the interior space is filled with a porous hydroxylapatite substance block.
Patent
Expandable porous mesh bag device and methods of use for reduction, filling, fixation and supporting of bone
TL;DR: In this paper, a method of treating a compression fracture in a bone comprising the steps of forming a transverse cavity within a bone defined by at least one substantially flat surface lying substantially in a transversal plane formed by and communicating with said transverse cavities is described.
Patent
Combinations of sparingly soluble calcium phosphates in slurries and pastes as mineralizers and cements
Walter E. Brown,Laurence C. Chow +1 more
TL;DR: Dental restorative compositions containing a mixture of Ca 4 (PO 4 ) 2 O and at least one different calcium phosphate have been found to be effective for dental restorative applications as mentioned in this paper.
Patent
Dental restorative cement pastes
Walter E. Brown,Laurence C. Chow +1 more
TL;DR: In this paper, the authors describe mixtures of at least two sparingly soluble calcium phosphates that are present in excess and a dilute aqueous solution approximately saturated with The invention described herein was made in the course of research partially supported by a grant from the National Institute of Dental Research.
References
More filters
Patent
Hydroxyapatite, ceramic material and process for preparing thereof
Hirosi Nagai,Yasushi Nishimura +1 more
TL;DR: In this paper, an invention relates to hydroxyapatite, ceramic material, implant material and a process for preparing thereof and the ceramic material is a ceramic having an excellent thermal stability.
Patent
Process for producing hydroxyapatite
TL;DR: A continuous process for producing hydroxyapatite which comprises a two-stage reaction in which pH control and reactant flow are carefully regulated is described in this article, where it is shown that the reaction can be extended to a three-stage process.
Patent
Calcium-deficient hydroxylapatite for use in column chromatography
TL;DR: In this paper, the authors present a hybrid colchiarm-deficient HYDROXYLAPATITE with a ratio of CA/PO4 of between 1.40 to 1.50.
Patent
Process for producing an apatite powder having improved sinterability
TL;DR: A sintered apatite body is obtained by molding and sintering a powder, Ca 5 (PO 4 ) 3 OH, containing 0.01 to 20% by weight of (Ca,Mg) 3 PO 4 ) 2, which has high mechanical strength and good affinity with living tissues and cells.
Patent
Synthesis for crystalline hydroxyapatite
TL;DR: In this article, a new synthesis was disclosed which produces synthetic crystalline hydroxyapatite, which consists of reacting anhydrous trisodium phosphate wih calcium chloride in a formamide/water solution.