4results about How to "Improve puncture accuracy" patented technology

The utility model discloses an in-situ sampling biopsy needle device. The in-situ sampling biopsy needle device comprises a shell, a back-and-forth movement module is arranged in the shell, the side, away from a patient, of the back-and-forth movement module is a near end, the other side of the back-and-forth movement module is a far end, and a needle set used for puncture sampling is arranged at the far end; the shell is internally provided with a percussion module and a winding mechanism, the percussion module is used for implementing linkage limitation on the positions of corresponding parts of the reciprocating motion module, and the winding mechanism is used for driving the corresponding parts of the reciprocating motion module to slide relative to the shell; and the elastic assembly is arranged on the reciprocating motion module and is used for driving corresponding parts of the reciprocating motion module to quickly move to a preset position so as to realize reciprocating motion control. The utility model has the advantages that the puncture precision can be effectively improved so as to improve the sampling efficiency, and the biopsy sampling safety can be improved so as not to hurt patients and medical personnel easily.

The utility model discloses an auxiliary device for arteriopuncture under ultrasound guidance, which comprises a clamping sleeve, the clamping sleeve comprises mutually hinged clamping pieces, the inner wall of each clamping piece is provided with a clamping groove matched with the peripheral surface of an ultrasonic probe, and the end face of one end of the clamping sleeve contacted with the body surface is an inclined plane; a fixing lug and a guide sheath are arranged on the outer wall, close to the body surface, of a card, a through hole allowing a puncture needle to penetrate through is formed in the axis of the guide sheath, the guide sheath is arranged in a split mode and comprises two sheath bodies which attract each other, a supporting rod is arranged on the outer wall of any sheath body, and the guide sheath is hinged to the fixing lug through the supporting rod. The plane formed by rotation of the guide sheath is perpendicular to the plane where the transmitting direction of the ultrasonic probe is located, and the angle between the guide sheath and the plane where the transmitting direction of the ultrasonic probe is located ranges from 110 degrees to 140 degrees. The auxiliary device for artery puncture under ultrasonic guidance has the beneficial effects of stable ultrasonic emission direction and high puncture accuracy during use.

The utility model relates to a kind of image-guided puncture surgery positioning auxiliary, including adhesive, be equipped with one main longitudinal pipe, one main transverse pipe, multiple auxiliary longitudinal pipes and multiple auxiliary transverse pipes on the adhesive;The main longitudinal pipe, multiple auxiliary longitudinal pipes are respectively with main transverse pipe, multiple auxiliary transverse pipes cross arrangement form net structure;Angle scale line is equipped in the main longitudinal pipe and main transverse pipe, metal particle is uniformly spaced and arranged in the auxiliary longitudinal pipe and auxiliary transverse pipe.And shoot under X-ray, the metal particle distributed in multiple auxiliary longitudinal and multiple auxiliary transverse pipe can be shown as the square of point group, square can be divided into net graph by human body, it is convenient for medical staff to better position body position, and metal particle development is small, will not excessively obstruct bony mark, it is favorable to improve puncture surgery positioning efficiency.And angle scale line is equipped in the main longitudinal pipe and main transverse pipe, the setting angle scale line is convenient for operator to judge needle angle, to improve puncture accuracy.