Method of manufacturing cytodiagnostic brush assembly

A method of manufacturing a cytodiagnostic brush having two wound strands which form the brush, said method comprising the steps of:

• providing a cylindrical sleeve having a circular outer diameter and a circular inner diameter and a wall of uniform thickness;
• said circular inner diameter being sufficiently large so that end portions of said two wound strands may be simultaneously inserted therein;
• inserting said end portions of said strands into said sleeve;
• securing said sleeve to said strand end portions by deforming said sleeve so as to reduce its said inner and outer diameters, maintain the circular shape of its said outer diameter and provide direct contact between the end portions of both of said strand portions around substantially the entire circumference of each of said strands which lie within said sleeve and said inner diameter of said sleeve along the entire length of said strand portions which lie within said inner diameter of said sleeve.