Ultrasonic guided puncture needle device

• Main Authors: SHEN FEIYAN, ZHAO WENXIN, ZHAO ZHONGMIN
• Format: Patent
• Language: Chinese; English
• Published: 01.02.2022
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The utility model relates to an ultrasound guide puncture needle device which comprises an outer puncture needle and an inner puncture needle, the outer puncture needle is of a hollow structure, the inner puncture needle is of a solid structure, and the outer puncture needle is arranged on the inner puncture needle in a sleeved mode and can move freely relative to the inner puncture needle. A plurality of crescent outer needle grooves protruding towards the needle tip are formed in the surface wall, close to the needle tip, of the outer puncture needle and correspond to the needle tip inclined face side, and the outer needle grooves are obliquely arranged in the mode that the outer needle grooves are not perpendicular to the axis of the outer puncture needle. A plurality of crescent inner needle grooves protruding towards the needle point are formed in the surface wall, close to the needle point, of the puncture inner needle and correspond to the needle point inclined face side, and the inner needle grooves a