Tubular tool for acquiring human vein transplant in minimally invasive manner

Abstract

The invention provides a tubular tool for acquiring a human vein transplant in a minimally invasive manner. The tubular tool comprises a tubular tool bit, a tunnel tube and a handle which are sequentially connected and is characterized in that one end of the tool bit is an edge; the inner wall of the tool bit is provided with an annular protruding part which is close to the side, with the edge, ofthe tool bit. The tubular tool has the advantages that the vein transplant can be acquired in an minimally invasive manner, a large skin cut is avoided, and the tubular tool is fast to operate, simple, practicable, capable of saving time and labor and capable of greatly reducing medical treatment cost and the wound of a patient; a long skin cut and a large subcutaneous tissue wound are avoided, the tubular tool rotates and moves forwardly to separate the vein from peripheral tissue and cut off vein peripheral collateral branches while the main part of the vein transplant is kept intact, the main part of the vein transplant is guided into the tunnel tube, the vein is cut off and the transplant is taken out after required acquiring length is reached, and a minimally invasive effect is guaranteed.

Description

technical field [0001] The invention relates to the technical field of medical tools, in particular to a tubular cutter for minimally invasive human vein graft acquisition. Background technique [0002] Human autologous vein grafts are widely used in bypass or bypass surgery for the treatment of various arterial and venous diseases. Such as coronary artery bypass grafting, lower extremity artery bypass grafting, various visceral artery bypass grafting, superior vena cava resection and great saphenous vein interposition, femorofemoral vein suprapubic bypass, etc. There are currently two ways to obtain a vein graft (usually the great saphenous vein located under the skin on the inside of the leg). One is to cut the skin and cut the vein under direct vision. This method is more conventional and most widely used. The advantage is that the exposure is clear, and the disadvantage is that the trauma is large, and the length of the graft needs to be as long as the skin incision ge...

AI Technical Summary

Problems solved by technology

The advantage is that it avoids long skin incisions, but the disadvantage is that the operation is time-consuming and laborious, the subcutaneous trauma is large, and the imported equipment is expensive

This method is not widely used due to its disadvantages

Therefore, there is an urgent need for a minimally invasive cutting tool for cutting human vein grafts to solve the above-mentioned technical problems such as large trauma, time-consuming and labor-intensive, and expensive equipment.

Images