Biopsy needle and puncture biopsy device
AssigneeSuzhou Leapmed Healthcare Corporation
InventorQin WANG
Life of this patent
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Abstract
The present invention provides a biopsy needle and a puncture biopsy apparatus. The biopsy needle includes: an inner needle assembly, including a first plug-in portion plugged in with a fastener; an outer needle assembly, including a second plug-in portion plugged in with the fastener; and the fastener, including a third plug-in portion plugged in with the first plug-in portion, and a fourth plug-in portion plugged in with the second plug-in portion. According to the biopsy needle and the puncture biopsy apparatus provided in the present invention, the biopsy needle can be assembled and disassembled in a simple and fast way, helping reduce preparation time and preparation work for a surgery, thereby improving surgery efficiency.
Claims18
A biopsy needle, comprising:
- an inner needle assembly, comprising a first plug-in portion plugged in with a fastener, wherein the first plug-in portion comprises two first outer limiting walls arranged in parallel and a first limiting plate located between the two first outer limiting walls, and the first limiting plate is provided with a first protrusion;
- an outer needle assembly, comprising a second plug-in portion plugged in with the fastener, wherein the second plug-in portion comprises two second outer limiting walls arranged in parallel and a second limiting plate located between the two second outer limiting walls, and the second limiting plate is provided with a second protrusion;
- and
- the fastener, comprising a third plug-in portion plugged in with the first plug-in portion, and a fourth plug-in portion plugged in with the second plug-in portion, wherein the third plug-in portion comprises two first inner limiting walls that have a T-shaped longitudinal section and that match the first outer limiting walls, and a third limiting plate arranged between the two first inner limiting walls and matching the first limiting plate, wherein the third limiting plate is provided with a first groove mating with the first protrusion;
- and the fourth plug-in portion comprises two second inner limiting walls that have a T-shaped longitudinal section and that match the second outer limiting walls, and a fourth limiting plate arranged between the second inner limiting walls and matching the second limiting plate, wherein the fourth limiting plate is provided with a second groove mating with the second protrusion.
A puncture biopsy apparatus, comprising a biopsy gun and a biopsy needle, the biopsy needle comprising:
- an inner needle assembly, comprising a first plug-in portion plugged in with a fastener, wherein the first plug-in portion comprises two first outer limiting walls arranged in parallel and a first limiting plate located between the two first outer limiting walls, and the first limiting plate is provided with a first protrusion;
- an outer needle assembly, comprising a second plug-in portion plugged in with the fastener, wherein the second plug-in portion comprises two second outer limiting walls arranged in parallel and a second limiting plate located between the two second outer limiting walls, and the second limiting plate is provided with a second protrusion;
- and
- the fastener, comprising a third plug-in portion plugged in with the first plug-in portion, and a fourth plug-in portion plugged in with the second plug-in portion, wherein the third plug-in portion comprises two first inner limiting walls that have a T-shaped longitudinal section and that match the first outer limiting walls, and a third limiting plate arranged between the two first inner limiting walls and matching the first limiting plate, wherein the third limiting plate is provided with a first groove mating with the first protrusion;
- and the fourth plug-in portion comprises two second inner limiting walls that have a T-shaped longitudinal section and that match the second outer limiting walls, and a fourth limiting plate arranged between the second inner limiting walls and matching the second limiting plate, wherein the fourth limiting plate is provided with a second groove mating with the second protrusion.
Dependencies are inferred from the claim text.