Puncture device and anchor device
An anchoring device and anchoring technology, applied in the direction of puncture needles, human tubular structure devices, medical science, etc., can solve the problems of contralateral membrane or blood vessel wall height, membrane surface slipping, puncture needle puncture, etc. Achieve the effects of good puncture accuracy, high success rate and increased distance
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Problems solved by technology
In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
 In order to describe the structure of the puncture device more clearly, the terms "proximal end" and "distal end" are defined here as commonly used terms in the field of interventional medicine. Specifically, "distal end" means the end far away from the operator during the surgical operation, and "near end" means the end close to the operator during the surgical operation.
 Unless otherwise defined, all technical and scientific terms used in the present invention have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The...
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