1
Guo Feng Xu: Biological artificial ligament and method of making. Grandhope Biotech, Raymond Sun, March 9, 2010: US07674289 (5 worldwide citation)

A prosthesis for implantation into a human body is made by a method that includes the steps of providing a natural animal ligament or tendon that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, tanning the substrate to improve its mechanical proper ...


2
Guo Feng Xu: Biological artificial ligament and method of making. Grandhope Biotech, Raymond Sun, November 2, 2010: US07824447 (4 worldwide citation)

A prosthesis for implantation into a human body is made by a method that includes the steps of providing a natural animal ligament or tendon that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, tanning the substrate to improve its mechanical proper ...


3
Guo Feng Xu: Biological artificial ligament and method of making. Raymond Sun, February 1, 2007: US20070027542-A1

A prosthesis for implantation into a human body is made by a method that includes the steps of providing a natural animal ligament or tendon that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, tanning the substrate to improve its mechanical proper ...


4
Guo Feng Xu: Biological artificial ligament and method of making. Grandhope Biotech, Raymond Sun, Law Offices of Raymond Sun, June 10, 2010: US20100143443-A1

A prosthesis for implantation into a human body is made by a method that includes the steps of providing a natural animal ligament or tendon that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, tanning the substrate to improve its mechanical proper ...