Finger joint implant system and preparation method thereof

• Main Authors: YAN XINGCHEN, TAO HONGWEI, DONG DONGDONG, DENG CHAOYANG
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; BLASTING; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; FURNACES; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; GRINDING; HEATING; HUMAN NECESSITIES; HYGIENE; KILNS; LIGHTING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; MECHANICAL ENGINEERING; MEDICAL OR VETERINARY SCIENCE; OPEN SINTERING OR LIKE APPARATUS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; OVENS; PERFORMING OPERATIONS; POLISHING; PROSTHESES; RETORTS; TRANSPORTING; TREATMENT OR PROTECTION OF EYES OR EARS; WEAPONS

The invention provides a finger joint implant system and a preparation method thereof. The finger joint implant system comprises a ball head, a lining, an acetabular cup and a finger bone handle, the outer surface of the ball head is movably connected with the inner surface of the lining, and the outer surface of the lining is movably connected with the inner surface of the acetabular cup; the conical head of the finger bone handle is arranged in the ball head; the ball head is made of one or more of a ceramic material, a metal ceramic composite material and a metal material in a sintering mode. The lining is made of an organic high polymer material as a raw material and is manufactured by machining; the acetabular cup and the finger bone handle are both made of biomedical metal materials and are integrally formed through 3D printing. A wear-resistant coating is deposited on the inner surface, making contact with the lining, of the acetabular cup, and the wear-resistant coating is a diamond-like carbon coatin