Abdominal cavity puncture needle

Abstract

The utility model relates to the field of puncture needles, in particular to an abdominal cavity puncture needle. Comprising a needle rod, a needle head, a puncture positioning mechanism and an installation assembly, the needle head is installed at one end of the needle rod, the lower end of the needle head is of a slope structure, the installation assembly is located on the needle rod, and the puncture positioning mechanism is arranged on the needle rod through the installation assembly; a first sliding block and a second sliding block are slidably connected to the inner wall of the sliding hole, a sliding rod is fixedly connected to the side, away from the needle rod, of the second sliding block, an adjusting ring is in threaded connection with the arc surface of the sliding rod, and a dial gauge is arranged on the side, away from the needle rod, of the connecting plate. The abdominal cavity puncture needle provided by the utility model has the advantages that when the puncture needle is used for carrying out needle descending puncture operation, the diving depth of the puncture needle can be controlled for a non-skilled intern doctor, so that the abdominal organs of a patient are prevented from being damaged.

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