Super-elastic titanium alloy for living body

Abstract

Super-elastic titanium alloy for a living body consisting essentially of: Niobium (Nb) as an element to stabilize β-phase: from 5 to 40 mol %; at least one element selected from the group consisting of gold (Au), platinum (Pt), palladium (Pd) and silver (Ag): Au: from over 0 to 10 mol %, Pt: from over 0 to 10 mol %, Pd: from over 0 to 10 mol %, Ag: from over 0 to 10 mol %, wherein a total thereof being up to 20 mol %; and balance being titanium and inevitable impurities.

1 . Super-elastic titanium alloy for a living body consisting essentially of: 
 Niobium (Nb) as an element to stabilize β-phase: 
 from 5 to 40 mol %;  
   at least one element selected from the group consisting of gold (Au), platinum (Pt), palladium (Pd) and silver (Ag): 
 Au: from over 0 to 10 mol %,  
 Pt: from over 0 to 10 mol %,  
 Pd: from over 0 to 10 mol %,  
 Ag: from over 0 to 10 mol %, 
 wherein a total thereof being up to 20 mol %; and  
 
   balance being titanium and inevitable impurities.    
   
   
       2 . The titanium alloy as claimed in  claim 1 , wherein 
 Au: from over 0 to 5 mol %,    Pt: from over 0 to 5 mol %,    Pd: from over 0 to 5 mol %,    Ag: from over 0 to 5 mol %, 
 wherein a total thereof being up to 10 mol %  
   
   
   
       3 . Super-elastic titanium alloy for a living body consisting essentially of: 
 Niobium (Nb) as an element to stabilize β-phase: from 5 to 40 mol %;    gold (Au): from over 0 to 10 mol %, and    balance being titanium and inevitable impurities.    
   
   
       4 . Super-elastic titanium alloy for a living body consisting essentially of: 
 Niobium (Nb) as an element to stabilize β-phase: from 5 to 40 mol %;    platinum (Pt): from over 0 to 10 mol %, and    balance being titanium and inevitable impurities.    
   
   
       5 . Super-elastic titanium alloy for a living body consisting essentially of: 
 Niobium (Nb) as an element to stabilize β-phase: from 5 to 40 mol %;    palladium (Pd): from over 0 to 10 mol %, and    balance being titanium and inevitable impurities.    
   
   
       6 . Super-elastic titanium alloy for a living body consisting essentially of: 
 Niobium (Nb) as an element to stabilize β-phase: from 5 to 40 mol %;    silver (Ag): from over 0 to 10 mol %, and    balance being titanium and inevitable impurities.    
   
   
       7 . Super-elastic titanium alloy for a living body consisting essentially of: 
 Niobium (Nb) as an element to stabilize β-phase: from 5 to 40 mol %;    gold (Au): from over 0 to 10 mol %;    platinum (Pt): from over 0 to 10 mol %;    palladium (Pd): from over 0 to 10 mol %; and    balance being titanium and inevitable impurities.    
   
   
       8 . Super-elastic titanium alloy for a living body consisting essentially of: 
 Niobium (Nb) as an element to stabilize β-phase: from 5 to 40 mol %;    gold (Au): from over 0 to 10 mol %;    platinum (Pt): from over 0 to 10 mol %; and    balance being titanium and inevitable impurities.    
   
   
       9 . A medical guide wire which uses the super-elastic titanium alloy for a living body as claimed in any one of  claims 1  to  8 .  
   
   
       10 . A orthodontic wire which uses the super-elastic titanium alloy for a living body as claimed in any one of  claims 1  to  8 .  
   
   
       11 . A stent which uses the super-elastic titanium alloy for a living body as claimed in any one of  claims 1  to  8 .  
   
   
       12 . An endoscope actuator which uses the super-elastic titanium alloy for a living body as claimed in any one of  claims 1  to  8 .  
   
   
       13 . Material for eyeglasses which uses the super-elastic titanium alloy for a living body as claimed in any one of  claims 1  to  8 .