Matrix type injection needle

• Main Authors: LYU CHUNLONG, ZHAO XIN
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The utility model relates to the technical field of injection equipment, in particular to a matrix type injection needle which comprises an upper needle seat, a lower needle seat, a needle body and an adjusting unit. The upper needle base comprises a main liquid inlet pipe, a top cover and a sliding base body which are sequentially fixed from top to bottom, the lower end of the main liquid inlet pipe is communicated with an infusion hole penetrating through the top cover and the sliding base body, the top cover is clamped at the upper end of the lower needle base in a blocking mode, the sliding base body slides in an opening groove in the top of the lower needle base in a sealed mode, and a plurality of needle head bodies are arranged on the bottom face of the lower needle base in a matrix mode. A liquid inlet area is formed between the sliding seat body and the lower needle seat, the upper end of the liquid inlet area is communicated with the infusion hole, and the lower end of the liquid inlet area is commu