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- Methods 28 cases suffered of portal vein disease under color Doppler ultrasonic examination and portography. 方法將28例門(mén)靜脈疾病患者行彩色多普勒超聲檢查并行手術(shù)及造影證實(shí)。
- Conclusion: Doppler ultrasonic can be used in latent period as a screen test to predic the fetus distress. 兩組比較，宮縮期及間歇期各項指標有差別，為診斷胎兒窘迫的篩選方法。
- Objective:To evaluate the character of Color Doppler ultrasonic of senile degenarative heart valvular desease. 目的探討老年退行性心臟瓣膜病的彩色多普勒超聲特征。
- To evaluate the character of Color Doppler ultrasonic of senile degenarative heart valvular desease. 目的探討老年退行性心臟瓣膜病的彩色多普勒超聲特征。
- Method We examined the suspicious cases with color doppler ultrasonic cardiogram(CFM),and compared with the results of autopsies. 方法對可疑病例予彩色多普勒超聲心動(dòng)圖(CFM)檢查,死亡病例尸解。
- Objecctive To study the diagnostic value of ultrasonic image and color Doppler ultrasonic examination used in ec-topic debouch of ureteral orifice. 目的探討超聲顯像和彩色多普勒技術(shù)在輸尿管異位開(kāi)口中的診斷價(jià)值。
- Conclusion: Doppler ultrasonic technique can be used to observe the injury and reparation of rat carotid artery after de-endothelialization. 結論：超聲指標能夠無(wú)創(chuàng )動(dòng)態(tài)觀(guān)察大鼠頸總動(dòng)脈損傷及修復過(guò)程。
- Objectives:To study the change of cerebral haemodynamic of patients with hypertension by transcranial Doppler ultrasonic technique. 目的:利用經(jīng)顱多普勒超聲技術(shù)研究高血壓病腦血液動(dòng)力學(xué)的變化。
- MethodTo adopt the color Doppler ultrasonic wave the conduct the contrast normal pregnant women and PIH women of post-pregnancy 30 cases respectively. 方法運用彩色多普勒超聲對正常婦女、正常孕婦和妊高征患者三組各30例的脛后動(dòng)脈血流指數改變的對照研究。
- Objective:To evaluate the significance of high-frequency color Doppler ultrason ography in diagnosis of the salivary gland neoplasm. 目的:探討高頻彩色多普勒超聲對涎腺腫瘤的診斷價(jià)值。
- The surgeon now reached for the Cavitational Ultrasonic Surgical Aspirator (CUSA), a pencil-like ultrasonic instrument with a tip that vibrates 26,000 times a second, breaking up the tissue it touches and then suctioning it out. 醫生伸手拿起呈鉛筆狀的超聲波空穴手術(shù)抽吸器，它的尖梢每秒振動(dòng)26000次，它會(huì )剖開(kāi)所到之處的組織并將其吸出來(lái)。
- Method: Copper needle was placed into the tumor tissue under the guide of colored Doppler ultrasonic angiograph with a probe of 70MHZ. 方法：在探頭頻率為70MHZ彩色多普勒超聲引導下留置銅針于瘤體內。
- Methods: 156 premolars were collected and divided into two groups.The experimental group was prepared with ultrasonic instrument;the control group was prepared with manual instrument. 方法：收集臨床初診病例156個(gè)，按隨機化原則分成兩組，分別用超聲波根管器械和手用器械預備根管并對其預備時(shí)間及疼痛發(fā)生率進(jìn)行對比分析。
- The improvement of ultrasonic instrument has expanded its debriding field from supragingival area to subgingival exposed root surface and pocket wall during periodontal essential therapy. 摘要齦下超聲器械的發(fā)展使超聲治療器械在牙周基礎治療中的重心由齦上逐漸轉向牙周袋內壁和深層裸露根面等齦下組織結構。
- Objective:To observe and compare the outcomes of hypertension of all stages by transcranial Doppler ultrasonic examination(TCD),electroencephalography(EEG) and skull CT (CT). 目的：觀(guān)察高血壓各期經(jīng)顱多普勒（TCD）改變，并與腦電圖（EEG）、頭顱CT進(jìn)行對比研究。
- The dynamic findings of the SOV rendered by B-ultrasonography and Doppler ultrasonic play an important role in the diagnosis of carotid-cavernous fistula. B型超聲和Doppler超聲檢查能夠顯示此靜脈的動(dòng)態(tài)變化,因此對診斷頸動(dòng)脈-海綿竇瘺有重要作用。
- Methods The blood flow of umbilical aratery were examined in 30 nomal pregnanceies in latent period by Color Doppler Ultrasonic duing contraction and intermission respectively. 方法：采用彩色多普勒超聲血流診斷技術(shù)，對30例處于潛伏期的孕婦分別進(jìn)行宮縮期及間歇期臍動(dòng)脈檢測。
- Methods According to the symptoms and signs, results of chest radiograph and doppler ultrasonic echocardiograph, 100 cases of MAS were divided into 5 clinical types. 方法對100例MAS患兒臨床資料進(jìn)行回顧性分析，根據臨床癥狀、體征及輔助檢查結果，將MAS患兒分為五種臨床類(lèi)型；
- Simulation results indicate that the method can detect FHR from the Doppler ultrasonic signals and solve the problems of frequency doubling and halving. 仿真結果表明,該方法能準確地從超聲多譜勒信號中提取胎心率,成功地解決了現有的胎心監護儀存在的加倍、減半的問(wèn)題。
- This article introduce the design of the Transmit/Receive front end of the B mode ultrasonic instruments base on FPGA. 本文介紹一種基于FPGA的B超前端發(fā)射和回波接收放大部分的電路設計方案。
