Sternum dilator

Abstract

The invention discloses a sternum dilator. The sternum dilator comprises a rectangular sliding frame, wherein the inner side wall of the rectangular sliding frame is in front-back symmetry and is slidably connected with two L-shaped sliding boxes, dilating mechanisms are arranged in the two L-shaped sliding boxes, a distance adjusting mechanism matched with the L-shaped sliding boxes is arranged in the middle of the inner side wall of the rectangular sliding frame, an arterial cannula fixing mechanism is arranged at the rear end of the rectangular sliding frame, a supporting structure is arranged at the lower side of the rectangular sliding frame, the dilating mechanisms are used for dilating a chest wound, the distance adjusting mechanism is used for adjusting the distance between the two dilating mechanisms, and the arterial cannula fixing mechanism is used for fixing an arterial cannula. According to the sternum dilator, a dilating position of the sternum dilator can be accurately adjusted, a dilating width can be accurately and reasonably adjusted according to the dilating position and the actual situation of the wound of a patient, damage to a sternum region of the patient is effectively avoided, and the dilating effect can be better.

Description

technical field [0001] The invention relates to the technical field of medical devices, and the specific field is a sternal spreader. Background technique [0002] Sternal distractors are often used in the process of thoracotomy. They are used to stretch the sternum on both sides of the patient to a certain extent, expand the surgical field of view, and facilitate the operation. The structure of the currently used sternal distractors is relatively simple. An L-shaped fixed arm is slidably connected to a stretch arm to stretch the patient's chest. The positions of the brace slots on the fixed arm and the sliding arm are not easy to adjust, and the stretch width on both sides is basically the same when the opening is braced. , it is inconvenient to adjust according to the length of the patient’s chest wound and the opening position, and the opening width on both sides cannot be made more accurate and reasonable. Therefore, the opening effect of the patient’s chest wound is not...

AI Technical Summary

Problems solved by technology

[0002] Sternal distractors are often used in the process of thoracotomy. They are used to stretch the sternum on both sides of the patient to a certain extent, expand the surgical field of view, and facilitate the operation. The structure of the currently used sternal distractors is relatively simple. An L-shaped fixed arm is slidably connected to a stretch arm to stretch the patient's chest. The positions of the brace slots on the fixed arm and the sliding arm are not easy to adjust, and the stretch width on both sides is basically the same when the opening is braced. , it is inconvenient to adjust according to the length of the patient’s chest wound and the opening position, and the opening width on both sides cannot be made more accurate and reasonable. Therefore, the opening effect of the patient’s chest wound is not good, and it is easy to cause damage to the patient’s sternum. risk, for which we offer a sternal spreader

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