Pruning and measuring device for left atrium of transplanted heart, and use method of pruning and measuring device

Abstract

The present invention relates to a pruning and measuring device for the left atrium of a transplanted heart, and a use method of the pruning and measuring device. The pruning and measuring device comprises an elliptical measuring plate, and an operating rod vertically passing through the measuring plate, wherein the edge of the measuring plate is connected with an adjustment airbag, a sealed inflation cavity is formed between the measuring plate and the adjustment airbag, one end of the operating rod penetrates through the adjustment airbag and is connected with a positioning airbag, the otherend of the operating rod is provided with a hand-pinch type airbag, a ventilation groove is arranged in the operating rod, a section, located in the adjustment airbag, of the operating rod is provided with ventilation holes, the hand-pinch airbag, the positioning airbag and the adjustment airbag communicate with each other through the ventilation groove and the ventilation holes, and the hand-pinch airbag is provided with a one-way air inlet valve. The pruning and measuring device is used for pruning the left atrium of a transplanted heart before a heart transplantation operation, and can measure and mark a size of an incision to be pruned and a tissue removal amount according to needs, so that the accurate pruning is ensured, and the operation difficulty is reduced.

Description

Technical field: [0001] The invention relates to the technical field of medical instruments, in particular to a transplanted heart left atrium trimming measuring device and a method for using the same. Background technique: [0002] In heart transplantation, in order to ensure a good anastomosis between the donor heart and the recipient during the operation, reduce the difficulty of the operation, and speed up the efficiency, it is necessary to trim the donor heart before the operation. After the donor heart is removed, the following pruning steps are required: (1) Cut the right atrium from the ostium of the inferior vena cava to the direction of the right atrial appendage until the root of the right atrial appendage; (2) Trim the stumps of the aorta and pulmonary artery (3) Check the mitral and tricuspid valves separately, and suture them if an unclosed foramen ovale is found; (4) Make X-shaped cross-cut incisions along the four pulmonary vein entrances to cut the posterior...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a transplanted heart left atrium pruning measuring device and its use method, which is used for opening the left atrium posterior wall of the transplanted heart during heart transplantation, so as to solve the difficulty in making an incision of a suitable size on the transplanted heart in the prior art, Difficulties in follow-up surgery

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