A device in a brass wind instrument that permits change in pitch by a rapid varying of the air column in a tube.

活瓣在銅管樂器中通過在管中迅速改變氣流而完成音調(diào)的改變的一種裝置。

Objective To evaluate the effectiveness of bronchoscopic lung volume reduction using one?

目的 評價使用纖維支氣管鏡單向活瓣支架肺減容術治療肺氣腫動物模型的療效和安全性国产乱伦黄片。

Methods:In a less invasive bronchoscopic approach designed to mimic LVRS,one-way valves are inserted into selected bronchi in emphysematous portions of the lung.

目的：探討支氣管鏡肺減容術的作用機制手机在线黄色视频、適應證、安全性正在播放国产精品、療效忍住就让你无套精品国产、景方法：與肺減容術相似，通過纖維支氣管鏡向肺氣腫部分的支氣管置入單向活瓣91精品国产自产在线观看48页。

The valves create atelectasis of emphysematous lung tissue by preventing air from entering,while allowing venting of expired gas.

活瓣通過阻止氣體進入亚洲国产一区二区av观看在线、允許氣體排出導致肺組織萎縮達到減容目的亚洲特黄av。

Month sheep (weight:2030 kg) were treated with localized papain instillations to generate heterogeneous emphysema, subsequently underwent BLVR using one?way flap device at subsegment.

通過CT確定靶區(qū)后人人扣B人人干B视频免费播放，在X線造影定位并確定靶支氣管后，經(jīng)纖維支氣管鏡通過導絲和放送裝置在肺氣腫亞段放入1~2個單向活瓣支架高清无码视频免费观看，術后給予3 d抗炎治療国产精品福利一区。

The example seen here is a "tension" pneumothorax shifting the mediastinum, because a "ball-valve" air leak is increasing the air in the right chest cavity.

圖為張力性氣胸，因呼吸時活瓣樣的結(jié)構使氣體漏入到胸膜腔的越來越多黄色网址免，縱膈移位国产黄色网站在现免费观看。

Methods: Twenty ASA Ⅱ~Ⅲ patients aged 28~69 years were randomly divided into 2 groups:(1)3-mins group (n=10).(2)8 deep breathings group (8DB). Arterial blood samples were drawn with a fraction of inspired oxygen of 0.21for arterial blood gas analysis. Before induction of anesthesia, patients in 3 mills group were asked to breathe normally for 3 mins during which 100% oxygen at 10 L/min through an anesthesia mask attached to a circle system with soda lime was adopted, and adjustable pressure limiting valve was kept open.

20例氣管插管患者隨機分為吸氧去氮組（3MIN組）與60s深呼吸8次組（8DB組），入手術室后在呼吸空氣情況下采集動脈血氣標本測定血氣分析性爱视频A级，并記錄SpO2值欧美精品强奸视频。3MIN組采用完全密閉面罩，氧流量10L亚洲av试看，麻醉機活瓣旋開以15次／min頻率自然呼吸3min.8DB組在相同條件下在60s內(nèi)深呼吸8次H片合集。

Gas of analgesia of use emergency treatment supplies equipment, device includes air feed a powerful person and the veil that take automatic valve each one, with hose connection, inspiratory sex air feed undertakes below valve automata.

使用急救鎮(zhèn)痛氣體供給設備，裝置包括供氣閥和帶自動活瓣的面罩各一国产农村乱人伦精品视频，用軟管連接末成年作爱视频国产，在活瓣自動控制下進行吸入性供氣国产va在线精品播放。

The liquid which expands in the heat sensor with the rise of temperature forces its way over the capillary tube in the actuator by means of removing a plunger piston, which is made tight externally be means of a flexible metallic tube, at which the pi- ston rod, which comes out of the actuator, moves the valve rod against a spring and a closing valve throttles or closes.

在熱感應器中擴張的液體由于那在毛細管上的溫度軍隊的上升它的方法在那主動器經(jīng)由除去一個跳進的人活塞，這被做緊緊地外部地是有柔性的金屬管方法哪里 pi-從主動器出來的 ston 竿移動活瓣竿相對于一個春天和一個結(jié)束活瓣節(jié)流閥或結(jié)束日本子乱视频在线。

The air in the tire leaked out through the valve.

輪胎內(nèi)的空氣從活瓣漏出日韩精品熟女中文字幕。