US 12,350,400 B1
Biodegradable nanocomposite surgical screw containing bone nanoparticles
A B M Sharif Hossain, Riyadh (SA); Hassan Ahmed Rudayni, Riyadh (SA); Mohammad Saad Aleissa, Riyadh (SA); Mohammed Musa Zahrany, Riyadh (SA); Abdulrahman Alhudhaibi, Riyadh (SA); and Fazliny Abdul Rahman, Riyadh (SA)
Assigned to IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY, Riyadh (SA)
Filed by IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY, Riyadh (SA)
Filed on Jul. 3, 2024, as Appl. No. 18/763,543.
Int. Cl. A61L 27/36 (2006.01); A61B 17/86 (2006.01); A61C 8/00 (2006.01); A61L 27/26 (2006.01)
CPC A61L 27/3637 (2013.01) [A61B 17/866 (2013.01); A61C 8/0028 (2013.01); A61L 27/26 (2013.01); A61L 27/3604 (2013.01); A61L 27/3608 (2013.01); A61L 27/365 (2013.01); A61L 27/3691 (2013.01); A61C 8/0012 (2013.01); A61L 2400/12 (2013.01); A61L 2430/02 (2013.01); A61L 2430/12 (2013.01)] 20 Claims
 
1. An organic biodegradable nanocomposite suitable for forming surgical implants, comprising, relative to total nanocomposite weight:
a polyvinyl chloride in a range of from 2 to 5 wt. %;
a polylactic glycolic acid in a range of from 0.2 to 5 wt. %;
an acrylate adhesive in a range of from 2 to 5 wt. %; and
a mixed starch comprising (a) pure starch present in 7 wt. %, (b) a waste date seed nanoparticle starch in a range of from 15 to 20 wt. %, and (c) a pomegranate peel nanoparticle starch in a range of from 12 to 16 wt. %;
a waste coconut gel in a range of from 2 to 5 wt. %;
a waste okra gel in a range of from 2 to 5 wt. %;
a fresh gum obtained from Lannea sp. in a range of from 2 to 5 wt. %;
an Acacia nilotica gum in a range of from 2 to 5 wt. %;
a waste aroid gel in a range of from 2 to 5 wt. %;
a chicken gut oil-based glycerin in a range of from 5 to 10 wt. %;
a dye comprising (i) a dragon fruit peel organic color extract in a range of from 5 to 10 wt. %, (ii) a pomegranate peel organic color extract in a range of from 5 to 10%, and optionally (iii) a mangosteen peel organic color extract in a range of from 3 to 5%; and
a balance of camel knee bone nanoparticles.