Three-dimensional percutaneous puncture positioning and fixing device

Abstract

The invention relates to a three-dimensional percutaneous puncture positioning and fixing device. The device comprises a first horizontal moving module, a second horizontal moving module, an angle adjusting module, a puncture needle and a plurality of supporting columns, the angle adjusting module moves in two perpendicular directions in a certain plane through the first horizontal moving module and the second horizontal moving module. The angle adjusting module comprises a spherical part, a supporting part and a locking part, the puncture needle is installed on the spherical part, the spherical part is installed in the supporting part, and the supporting part is connected with the second horizontal moving module. Compared with the prior art, when the puncture needle is used, only the needle tip of the puncture needle needs to be placed on a planned skin part, the puncture needle does not need to be inserted into the skin, the needle inserting point and the needle inserting angle of the puncture needle are adjusted outside the skin, and damage caused by repeated puncture in an existing method is overcome; meanwhile, the puncture accuracy can be remarkably improved, and the adjustment frequency is reduced.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a three-dimensional percutaneous puncture positioning and fixing device. Background technique [0002] For space-occupying lesions in subcutaneous, deep skin, viscera, and bone, percutaneous biopsy and percutaneous minimally invasive treatment are often required. These operations often require the puncture needle to be inserted into the skin under C-arm machine, O-arm machine or CT fluoroscopy, and then the needle insertion direction is adjusted. The specific operation method is as follows: first determine the approximate position of the needle entry point on the skin, and then insert different puncture devices into the body so that the puncture device can be fixed with the human body; then perform fluoroscopy to confirm whether the puncture angle is correct; Adjustment of puncture angle. However, such an operation method will bring the following problems: 1. After the ...

AI Technical Summary

Problems solved by technology

However, such an operation method will bring the following problems: 1. After the puncture device enters the body, it is difficult to adjust the position in a large scale. The movement of the patient leads to a deviation in the needle insertion angle; 3. Repeated adjustments are likely to increase the number of radiation exposures of the patient and the doctor

However, the device can only improve the accuracy when puncturing into the human body, reducing the probability of needing subsequent adjustments

However, in the first step of percutaneous biopsy and other operations, it is still necessary to fix the puncture device by inserting it into the human body, and then adjust the position according to the fluoroscopy results, which cannot avoid the risk of repeat puncture

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