Intrauterine device suitable for various uterine cavities

• Main Authors: WANG XIAOYAN, YU LIGANG, LI WEI, YU CHONGQUN, XU LIN, WANG QING, ZHANG JIGANG, XU JINGDUO
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2014
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; 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; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; TREATMENT OR PROTECTION OF EYES OR EARS

The utility model provides an intrauterine device suitable for various uterine cavities. A body is made of nickel-titanium memory alloy wires, stainless steel wires, metal copper wires, medicine and a soft elastic material such as silicon rubber and other traditional materials. The body comprises two longitudinal arms and two transverse arms, the lower ends of the two longitudinal arms are connected in a U type, the upper ends of the two longitudinal arms are connected with the two transverse arms leftward and rightward respectively, and the two ends of the two transverse arms are provided with ends of a tooth-shaped structure made of the soft elastic material. The shape of the intrauterine device accords with the shape of the uterus and is suitable for the maximum uterus fundus width in a normal state. When the uterus fundus width is reduced, the intrauterine device is extruded, deforms and changes the widths of the transverse arms to be suitable for the changing uterus fundus width and improving suitability