High-modulus alloy for medical devices
Medical devices, such as implants, having a high-modulus alloy. The alloy includes a biocompatible refractory-metal-based alloy having multiple refractory metals. The alloy has an elastic modulus above about 300 GPa. The alloy comprises 30-35% tungsten, 60% molybdenum, and 5-10% niobium. The alloy is absent of rhenium.
1. A medical device comprising:
a biocompatible refractory-metal-based alloy, comprising multiple refractory metals;
wherein the alloy has an elastic modulus above about 300 GPa;
wherein the alloy comprises 30-35% tungsten and 60% molybdenum;
wherein the alloy further comprises 5-10% niobium; and
wherein the alloy is absent of rhenium.
2. The medical device of claim 1 , wherein the alloy further comprises at least one of chromium, tantalum, hafnium, zirconium, titanium, and yttrium, in the amount each of less than 5 weight pct.
3. The medical device of claim 2 , wherein the alloy further comprises carbon, oxygen, hydrogen and/or nitrogen.
4. The medical device of claim 1 , wherein the alloy is free of ferromagnetic elements.
5. The medical device of claim 1 , wherein the alloy is free of cobalt.
6. The medical device of claim 1 , wherein the alloy is free of nickel.
7. The medical device of claim 1 , wherein the alloy is free of iron.
8. The medical device of claim 1 , wherein the alloy is free of cobalt, nickel, and iron.
9. The medical device of claim 1 , wherein the device is an implant.
10. The medical device of claim 9 , wherein the device is a spinal implant.
11. The medical device of claim 10 , wherein the implant comprises a rod.
12. The medical device of claim 10 , wherein the implant comprises a rod-to-rod connector.
13. The medical device of claim 10 , wherein the implant comprises a plate.
14. The medical device of claim 10 , wherein the implant comprises a bonescrew, rod-receiver, or screw assembly being a fixed, uni-axial, or multi-axial screw assembly.
15. The medical device of claim 9 , wherein the implant comprises a stent.
16. The medical device of claim 15 , wherein the stent is a cardiovascular stent.
17. The medical device of claim 15 , wherein the stent is a neurovascular stent.
18. The medical device of claim 15 , wherein the stent due to the alloy of the present technology has reduced recoil as compared to convention-material stents.
19. The medical device of claim 9 , wherein the implant is a cardiovascular stent.
20. The medical device of claim 1 , wherein the device is a dental device.
21. The medical device of claim 20 , wherein the device is a dental implant.
22. The medical device of claim 1 , wherein the device is an orthopaedic device.
23. The medical device of claim 22 , wherein the orthopaedic device is an orthopaedic implant.
24. The medical device of claim 23 , wherein the orthopaedic implant is a spinal implant.
25. The medical device of claim 1 , wherein the device is an arthroscopic or cutting device.
26. The medical device of claim 1 , wherein the device is a medical cutting device.
27. The medical device of claim 1 , wherein the device is an orthopaedic joint replacement device.
28. The medical device of claim 1 , wherein the device is an orthopaedic trauma device.
29. The medical device of claim 1 , wherein the device is a cardiovascular device.
30. The medical device of claim 1 , wherein the device is a neurovascular device.
31. The medical device of claim 30 , wherein the device is a neurovascular guidewire.
32. The medical device of claim 1 , wherein the device is a torque-responsive medical delivery device.
33. The medical device of claim 1 , wherein the device is a spinal interbody.
34. The medical device of claim 1 , wherein the device is a spinal disc replacement.
35. The medical device of claim 1 , wherein the alloy is free of ferromagnetic elements.