MEDICAL DEVICE AND METHOD OF MANUFACTURING USING MICRO-CLADDING TO FORM FUNCTIONALLY GRADED MATERIALS

• Main Author: Pulugurtha, Syamala
• Format: Patent
• Language: English
• Published: 12.09.2019
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; MACHINE TOOLS; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PERFORMING OPERATIONS; PROSTHESES; SOLDERING OR UNSOLDERING; TRANSPORTING; TREATMENT OR PROTECTION OF EYES OR EARS; WELDING; WORKING BY LASER BEAM

A method of making a method of making a stent includes forming a precursor stent using micro-cladding. The precursor stent includes a plurality of bands made of a first material disposed adjacent to each other and a plurality of connectors connecting each band to an adjacent band. The precursor stent includes a plurality of first connectors configured to remain and a plurality of second connectors made by functionally grading the first material with a second material to create embrittlement. The plurality of second connectors are configured to be removed. The precursor stent is processed to remove the plurality of second connectors without adversely affecting the bands and the plurality of first connectors. The second material may be a radiopaque material.