Venous arterization puncture device guided by magnetic chuck

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to lower limb artery intracavitary treatment equipment, in particular to a magnetic suction cup guided vein arterization puncture device which comprises a catheter led in from the artery end, a catheter led in from the vein end and a hollow puncture needle. Compared with the prior art abroad, the intracavitary vein arterization device has the advantages that operation steps are simplified, far-end vein injury is reduced, medical cost is reduced, popularization value is high, the blank of instruments needed for developing the technology in China is filled, and instrument guarantee is provided for smoothly developing the technology in China.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a lower extremity artery intracavitary treatment device, and more particularly relates to a venous arterialization puncture device guided by a magnetic sucker. Background technique [0002] Severe limb ischemia (CLI) can lead to high amputation rate and high mortality rate. Surgical bypass surgery and endovascular intervention can effectively reduce the amputation rate and mortality rate. It is called "desert foot", and the above-mentioned vascular reconstruction cannot be performed. In this regard, clinical programs such as stem cell transplantation, spinal cord stimulation, and hormone therapy have been proposed, but none of them have been clinically approved. As an alternative, venous arterialization has been verified by some scholars for its clinical efficacy. Venous arterialization includes traditional open surgery and newly developed percutaneous endov...

AI Technical Summary

Problems solved by technology

The three surgical methods have advantages and disadvantages, and different optimal surgical methods need to be selected according to the different conditions of the patients.

However, this technology has not been introduced into the country, and requires the operator to master the technical operation of the intravascular ultrasound system. The learning curve is long, and it is impossible to complete accurate puncture. Moreover, the consumables for this system are expensive and the operation is complicated. Large-scale promotion and use still needs to be done. a period of time

[0007] CN210019549U discloses a venous arterialization puncture kit through a belt balloon cavity. By setting a hollow puncture needle inserted into a fixed balloon catheter with a side hole, marking lines I and II are used to locate the intended puncture site, but The kit requires repeated positioning, increased radiation intake, and lacks precise positioning of the puncture

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