Combination type acetabulum positioning device for total hip replacement arthroplasty

• Main Authors: LIAO JUNXING, ZHENG QIUJIAN, MA YUANCHEN, LIN ZHEN
• Format: Patent
• Language: Chinese; English
• Published: 25.09.2013
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DIAGNOSIS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; SURGERY; TREATMENT OR PROTECTION OF EYES OR EARS

The utility model discloses a combination type acetabulum positioning device for total hip replacement arthroplasty, which comprises a hemispherical acetabulum head and a medullary cavity file carrier which is detachably connected on the center of the bottom surface of the hemispherical acetabulum head, and further comprises a positioning guide part, wherein the positioning guide part substantially consists of a sleeve, a right angle guide short shank and a positioning needle, the right angle guide short shank is a rod body which is bent in a right angle, the two ends of the right angle guide short shank are respectively and vertically connected with the peripheral edge of the bottom surface of the hemispherical acetabulum head and the front end of the sleeve to enable the sleeve and a central axial line of the hemispherical acetabulum head to be parallel, the positioning needle is arranged in the sleeve and can be stretched out along the sleeve to be fixed on an acetabulum edge to determine an acetabulum abr