Morse taper protective sleeve
View Patent ↗A removable orthopedic protective sleeve adapted to be applied over the male Morse taper of modular orthopedic implants thereby preventing contamination of the taper contact surface from blood, body fluid or tissue particles responsible for electrochemical corrosion and fretting at the level of Morse taper. Said sleeve having a conical tube shape and a rim at its upper narrow end. A plurality of vertical grooves situated on the outer surface of the protective sleeve will split open as the female Morse taper of the articular ball is slidingly pushed downward and seated over the male taper. The split sleeve is then removed after the male and female tapers are assembled in-situ.
1. A surgical device for providing protection against contamination of a taper contact surface with bodily fluid and tissue particles present in a surgical wound, the surgical device comprising:
an orthopedic implant having two portions, a first portion including a male Morse taper having the taper contact surface with a narrow top end and a larger bottom and a second portion including an articular ball having a female taper;
a splittable flexible conical hollow sleeve with a narrow top end and a splittable circular rim with a flat to surface, wherein the splittable circular rim has a larger outer diameter than the splittable flexible conical hollow sleeve and the splittable circular rim is firmly attached to an outer surface of the narrow to end of the splittable flexible conical hollow sleeve;
wherein the splittable flexible conical hollow sleeve prevents contamination of the orthopedic implant when the splittable flexible conical hollow sleeve is placed on the taper contact surface and the splittable circular rim forms a seal with the articular ball so that when a downward push is applied by the articular ball against the to flat surface of the splittable circular rim the splittable flexible conical hollow sleeve will split and start to slide downward thereby keeping the male Morse taper and the female taper sealed from bodily fluid contamination.
2. The surgical device of claim 1 , wherein the outer surface of said splittable flexible conical hollow sleeve has a plurality of vertical grooves along its entire length.
3. The surgical device of claim 2 , wherein said vertical grooves extend proximally into said splittable circular rim.
4. The surgical device of claim 1 , wherein said splittable flexible conical hollow sleeve is constructed from a flexible extendable and malleable material including silicone, rubber or other soft and flexible polymers.
5. The surgical device of claim 1 , wherein said splittable flexible conical hollow sleeve is a straight cylinder having the same length of taper contact surface.
6. The surgical device of claim 1 , wherein said taper contact surface further comprises a thin metallic catalyst coating film which includes palladium.
7. The surgical device of claim 1 , wherein the spittable flexible conical hollow sleeve is oval in shape.
8. The surgical device of claim 1 , wherein the male Morse taper has an oval cross section.
9. The surgical device of claim 1 , wherein the male Morse taper is covered by the splittable flexible conical hollow sleeve before any surgical insertion or manipulation.