Joint prosthesis
Patent 4634445 Issued on January 6, 1987. Estimated Expiration Date: 
January 6, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 6, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3462765 3739403 3818513 Protective sleeve for implantable prosthesis and method of protecting the prosthesis Joint prosthesis with contoured pin Prosthetic joint An elastomeric mesh hinge primarily for replacement of the finger joints Joint prosthesis Patent #: 4367562 InventorAssigneeApplicationNo. 06/344169 filed on 01/29/1982US Classes:623/21.19Toe boneExaminersPrimary: Apley, Richard J.Assistant: Isabella, David J. Attorney, Agent or FirmInternational ClassesA61F 2/30 (20060101)A61F 2/42 (20060101) A61F 2/00 (20060101) Foreign Application Priority Data1981-01-30 GBAbstractA small joint spacing prosthesis comprises an elongate silicone rubber body reinforced by a Dacron or nylon string and is made by moulding the body with the string therein. The middle of the body forms a spacer of spherical shape with flat end faces providing shoulders for abutment of the bone ends. The remainder of the body forms intramedullary stems with rounded outer ends. | |
