Copper-niobium alloy for medical biopsy puncture needle

Abstract

The invention discloses a copper-niobium alloy for a medical biopsy puncture needle, a needle core and / or a needle tube of the puncture needle are / is made of the copper-niobium alloy, and the copper-niobium alloy comprises, by mass, 5 < = Nb < = 15, and the balance of Cu. The copper alloy with the design components is obtained by combining the diamagnetic material Cu and the paramagnetic Nb, and compared with existing medical stainless steel and titanium alloy, the numerical value of the magnetic susceptibility is greatly reduced, and particularly, the artifact area and the artifact volume are obviously reduced. And meanwhile, the blank of application of the copper alloy to medical biopsy paracentesis is filled.

Description

technical field

[0001] The invention belongs to the field of medical equipment, and mainly relates to the technical field of tissue puncture such as lumbar puncture in biopsy operation, extraction of bone marrow fluid in bone marrow puncture operation, and specifically the application of copper-niobium alloy in biopsy puncture needles. Background technique

[0002] In recent years, with the development of magnetic resonance imaging (MRI) detection technology and equipment, it has played an important role in medical fields such as diagnostics and radiology, and has been widely used in operations such as orthopedics and neurosurgery. Compared with traditional imaging techniques such as radiography and computed tomography (CT), it has superior soft tissue contrast, is not affected by ionizing radiation, and can acquire information on any plane through 3D imaging.

[0003] However, the existence of an external magnetic field will resonate metals with magnetic properties in magne...

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