Artificial blood vessel ring shrinking device

Abstract

The invention discloses an artificial blood vessel ring shrinking device. The artificial blood vessel ring shrinking device comprises a hinge ring, wherein a plurality of groups of connecting rods arehinged to the hinge ring, a metal plate used for opening an artificial blood vessel is fixed one the ends away from the hinge ring, of the connecting rods, and the metal plate is parallel to the axisof the hinge ring. According to the artificial blood vessel ring shrinking device, the hinge ring is provided with a shrinking device for opening the groups of the metal plates. According to the artificial blood vessel ring shrinking device, the shrinking device can be used for opening the metal plates on surfaces at the same time, i.e. blood vessels can be expanded through the metal plates, operation is easy, and certain efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an artificial blood vessel constrictor. Background technique [0002] When dealing with aortic dissection in heart and great vessel surgery, it is necessary to replace a section of artificial blood vessel whose diameter should match the body's own blood vessel. Because there are often lesions in the own blood vessels, resulting in fragile tissues, high suturing skills are required for manual anastomosis. The commonly used vascular anastomosis technique is the "sandwich" technique, that is, a layer of felt on the outside, an internal blood vessel in the middle, and an artificial blood vessel on the inner layer. For the convenience of anastomosis, it is often necessary to turn the artificial blood vessel inwards and insert it into its own blood vessel. This is easy to do for a straight blood vessel, but if it is an artificial blood vessel with 4 branches, turning it inward...

AI Technical Summary

Problems solved by technology

Directly use the 4-branched artificial blood vessel without turning over to do the "sandwich" anastomosis with the own blood vessel, which not only requires more anastomosis time, but also the anastomosis effect is not satisfactory

[0003] At present, the mainstream method is to anastomose straight blood vessels inwardly, and direct anastomosis of 4 bifurcated vessels, which not only requires more time for anastomosis, but also results in unsatisfactory anastomosis. Therefore, we propose an artificial vascular constrictor

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