Adjustable microinjection apparatus

Abstract

The present invention relates to an adjustable micro-injection device, comprising a base structure, a clamping structure, a pressurizing impulse structure, a withdrawing structure, an injection controller and a quantitive controller, wherein the base structure is provided with a syringe positioning structure for accommodating an injection syringe and at least one holding part for hand holding operation; the clamping structure is positioned at one end of the injection syringe positioning structure for successively connecting the injection syringe and a injector needle tube; the pressurizing impulse structure is positioned at the other end of the injection syringe positioning structure and is connected with the base structure; the withdrawing structure is combined with the base structure and is positioned at the position of an adjacent pressurizing impulse structure; the injection controller is combined with the base structure and drives the pressurizing impulse structure to apply propelling pressure on a push barrel piston of the injection syringe via at least one driving structure; the quantitive controller is combined with the injection controller to move so as to control tolerance displacement quantity of drive of the driving structure to the pressurizing impulse structure. Compared with the prior structure, the bracket has the advantages that the bracket has more precise injection quantity control, better injection angle control, no contact with air for substances in the injection syringe, no requirement on special injection syringe and no replacement of the injection syringe by single hand.

Description

technical field [0001] The invention relates to an adjustable micro-injection device which can be used for liquid or semi-liquid soft tissue filler transplantation or drug injection, especially when it is used for soft tissue transplantation, reconstructive surgery or cosmetic surgery, it can properly, uniformly and precisely inject the filler Or the drug is placed in the correct position of the human body, which has the characteristics of high precision, easy operation and low cost. Background technique [0002] Fat Transplantation (Fat Transplantation / Fat Grafting) has a history of more than one hundred years since the German Neüber formally proposed it in the literature in 1893. Fat grafting has long been regarded as a good surgical method for soft tissue grafting or filling, and is therefore often used in reconstructive surgery or cosmetic surgery. [0003] In general, possible sequelae of fat grafting, such as: absorption, infection, embolism, cyst formation, calcifica...

AI Technical Summary

Problems solved by technology

As a result, the fat must be exposed to the air during the operation, causing the possibility of infection and decreased survival rate of fat cells.

Moreover, since the SYSTEM (system) gun surface and the angle between the injection needle tube 83 and the needle tube opening 84 are fixed, when it is clinically used for fat surgery injection, the operator cannot flexibly adjust the injection angle, and it is easy to cause injections due to difficult operation. Misalignment or Difficult-to-Inject Situations

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