Automatic quick skin spreader

Abstract

The invention discloses an automatic quick skin spreader which comprises a liquid storage bag and an automatic injector; a valve I is arranged at the liquid inlet of the liquid storage bag; the automatic injector comprises a cylinder barrel with a valve II at one end and a cylinder barrel cover at the other end; a piston disc is arranged in the cylinder barrel; a piston rod is arranged on the piston disc; a compression spring is arranged between the piston disc and the cylinder barrel cover; the liquid inlet of the valve I is removably connected with the liquid outlet of the valve II; a bag body can be embedded in the deep part of the skin to be spread under the narcotism state, the valve I is connected with the valve II of the automatic injector, the valve I and the valve II are opened, and the compression spring can push the piston disc to inject water in the cylinder barrel into the bag body, so that the automatic water injection is realized, and if the bag body swells, the skin can be swelled; and the amount of water entering the bag body can be adjusted by adjusting the valve II, so that the volume of the bag body can be adjusted, the swelling amount and swelling process of the skin can be controllable, a skin swelling surgery is high in reliability and simple in operation, and a patient can finish skin swelling independently.

Description

technical field [0001] The invention relates to a medical device, in particular to a device for expanding skin. Background technique [0002] In surgical operations, especially plastic surgery, insufficient skin in the surgical field is often encountered. At present, skin grafting, skin flap transfer and local skin expansion are mainly used to solve this situation. Skin grafting and flap transfer are traditional surgeries and the main surgical methods at present, but such surgeries will expand the scope of surgery, increase surgical risks, and also increase the chance of surgical complications. Compared with the previous two methods, the local skin expansion method has a smaller surgical scope and less damage, but the local skin expansion method requires the use of skin expander instruments. Currently, there are many types of skin dilators used clinically, and the styles are varied. The basic principle is to fill a liquid storage bag with water, and expand the skin through ...

AI Technical Summary

Problems solved by technology

However, the skin dilators in the prior art are inconvenient to fetch water and expand, the water injection bottle is shifted, and water leaks into the tissue, and some catheters are discounted, making it impossible to inject water.

Some use an infusion set to add water, so the pressure is often not large enough

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