Pericardiopuncture device

Abstract

The invention relates to the technical field of clinical puncture, in particular to a pericardiopuncture device. The device comprises a needle pushing device, a sliding piece, a puncture needle, a guiding wire, a guiding wire sleeve and a clamp, the sliding piece reciprocately slides along the wall body in the length direction of the needle pushing device, and the puncture needle is detachably connected with the needle pushing device; the guiding wire sleeve is fixedly connected with the sliding piece; the guiding wire penetrates through the puncture needle and the guiding wire sleeve; the clamp is connected with the guiding wire sleeve and used for controlling sliding of the guiding wire; the guiding wire slides in the puncture needle and the guiding wire sleeve; the guiding wire is pressed to be an arc shape under the effects of the sliding piece and the puncture needle to form certain tension, when the puncture needle carrying the guiding wire enters into the parietal pericardium, under the condition of the internal and external pressure difference of the pericardial cavity, the guiding wire is bounced into the pericardial cavity, and the effect of protecting the needle point isachieved; it is avoided that the sharp needle point punctures the coronary artery and the heart, then hydrops is extracted to complete the operation, and the pericardiopuncture method is safe, simplein operation and easy to master.

Description

technical field [0001] The invention relates to the technical field of clinical puncture, in particular to a pericardial puncture device. Background technique [0002] The pericardium is a layer of connective tissue membrane structure tightly wrapped around the heart. When acute pericardial hemopericardium or effusion leads to acute pericardial tamponade or extracardiac radiofrequency ablation, pericardiocentesis is required, and the traditional domestic pericardiocentesis needle is easy to pierce the heart Or damage the coronary artery, causing hemopericardium, aggravated cardiac tamponade or coronary artery tearing, although preoperative ultrasound positioning, measuring the distance from the puncture site to the pericardium to determine the penetration depth of the puncture needle, has achieved the goal of reducing the damage of adjacent organs However, traditional puncture needles still have the risk of damaging adjacent organs or tissues, and repeated punctures are more...

AI Technical Summary

Problems solved by technology

[0002] The pericardium is a layer of connective tissue membrane structure tightly wrapped around the heart. When acute pericardial hemopericardium or effusion leads to acute pericardial tamponade or extracardiac radiofrequency ablation, pericardiocentesis is required, and the traditional domestic pericardiocentesis needle is easy to pierce the heart Or damage the coronary artery, causing hemopericardium, aggravated cardiac tamponade

Images