Double-positive-pressure adjusting device for surgical breathing equipment
A technology of breathing equipment and adjustment device, which is applied in the direction of respirator, drug equipment, other medical equipment, etc., can solve the problems of difficult control and high requirements on gas cleanliness, save labor in inhalation, increase gas exchange area, prevent Effects of airway and alveolar collapse
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Embodiment approach 1
[0046] Such as Figure 8 As shown, a protruding structure 22 is provided on the periphery of the adjusting ring 2 , and the protruding structure 22 penetrates the side wall 12 and drives the adjusting ring 2 to rotate along the strip-shaped hole 12 b provided on the side wall 12 . In this structural situation, the protruding structure 22 can be connected with the adjusting ring 2 through any connection method, such as threaded connection, bonding or welding, and the power to drive the protruding structure 22 to rotate can also be reasonably selected in the prior art. The fast rotation can be realized through the structure such as the cylinder, the slow rotation can also be realized through the rotation of the connecting rod and other structures driven by the motor, and even the rotation with variable speed can be realized, so that it can be closer to the real breathing process.
Embodiment approach 2
[0048] Such as Figure 9 As shown, a protruding structure 22 is provided at the end of one of the rotating rods 35 , and the protruding structure 22 penetrates the side wall 12 and drives the adjustment ring 2 to rotate along the strip-shaped hole 12 b provided on the side wall 12 . Similarly, under this structural situation, the protruding structure 22 can be connected with the rotating rod 35 through any connection method, such as threaded connection, bonding or welding, and the power to drive the protruding structure 22 to rotate can also be passed through a structure such as a cylinder. Realize fast rotation, or realize slow rotation through the rotation of structures such as connecting rods driven by the motor.
[0049] As a preference of the above embodiment, the contours of the first flow channel 21 and the second flow channel 12a are set so that after the two are overlapped, the impurities can be cleaned up by the air flow, so as to avoid the formation of impurities in...
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