Distracter applied to renal transplantation operation

Abstract

The invention relates to a distracter applied to a renal transplantation operation. The distracter is provided with two handles, two distraction arms, two blocking pieces and a locking piece, wherein one end of each distraction arm is connected with the corresponding handle, and the other end of each distraction arm is connected with the corresponding blocking piece; the two distraction arms are hinged through a first hinging shaft; each blocking piece is provided with an upper blocking piece and a lower blocking piece; the upper blocking pieces are shaped into horizontal surfaces; the lower edges of the lower blocking pieces are overturned to the outer sides; sliding chutes are formed in the outer lateral surfaces of the lower blocking pieces, and first sliding teeth are arranged on the two sidewalls of the sliding chutes; the blocking pieces are regulated to be embedded into the sliding chutes through second sliding teeth on the two sides of the blocking pieces, and can move in the sliding chutes; the distraction arms are movably connected with the blocking pieces through second hinging shafts. The distracter is adjustable in distraction depth, and can be applied to fat and thin patients, and the operation field is fully exposed; the blocking pieces can rotate, so that the distracter is higher in flexibility; the locking piece is firmer; the whole distracter has the advantages of high practicability, simple structure and convenience in operate, and is suitable for clinical popularization and application.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a spreader suitable for kidney transplantation. Background technique [0002] Kidney transplantation has been recognized all over the world as the best treatment for chronic renal failure. It is the most mature technique and the highest success rate among solid organ transplants. The survival rate of kidneys has reached 96.3%. A kidney transplant usually takes about three hours and does not require removal of the original two kidneys. The operation uses a curved incision in the lower abdomen, and the transplanted kidney is placed in the iliac fossa, and then the blood vessels of the transplanted kidney are anastomosed with the recipient's iliac vessels, and the ureter of the transplanted kidney is anastomosed with the recipient's bladder. [0003] Surgical incision spreaders are frequently used in kidney transplantation, other urological procedures, and other surgica...

AI Technical Summary

Problems solved by technology

[0007] However, the cylindrical shape of the above-mentioned surgical dilator is difficult to fix, and the depth adjustment effect is limited, which interferes with the surgical operation.

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