Rat breathing mask
A breathing mask and face mask technology, applied in the medical cardiovascular field, can solve problems such as blockage and poor mouth breathing, and achieve the effects of simplifying the operation process, reducing bleeding, and maintaining a suitable temperature
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[0023] The application of the breathing mask in the preparation of the chronic myocardial ischemia model in rats, the connection method used is shown in Figure 2.
[0024] 1. Anesthesia: 3% pentobarbital sodium (40-50mg / kg) was used for intraperitoneal injection. After the rat was anesthetized, it was fixed on the rat operating table in a supine position, and the limbs were connected to the heart. The head was held in place with a jaw fixator, and the thoracic surgical area was shaved and sterilized.
[0025] 2. Perform conventional thoracotomy. Before opening the pleura, put a breathing mask on the rat and connect it to an animal ventilator.
[0026] 3. After the coronary artery is ligated, a drainage tube is placed in the chest cavity, and then sutured layer by layer. After the gas in the pleural cavity was removed, the drainage tube was pulled out, the breathing mask was removed, the rats resumed spontaneous breathing, the skin was sutured and disinfected, and the operatin...
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