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    • 21. 发明申请
    • APPARATUS AND METHODS FOR ANALYZING BODY SOUNDS
    • 用于分析身体声音的装置和方法
    • WO1998020792A1
    • 1998-05-22
    • PCT/US1997021185
    • 1997-11-13
    • UNIVERSITY TECHNOLOGY CORPORATION
    • UNIVERSITY TECHNOLOGY CORPORATIONSHAPIRO, Joseph, IsaacWEINBERGER, Howard, David
    • A61B05/02
    • A61B7/04A61B5/0456A61B5/7203A61B5/7257A61B5/726A61B7/003
    • This invention is an apparatus and method for assisting an operator to diagnose physical conditions in a patient by collecting and analyzing cyclical body sounds such as heart beat, peripheral vessel sounds, or breath sounds. Several cycles of data are collected by sound detector (12) and digitized by an analog to digital converter (28). Each cycle is converted to the frequency domain (102), and phase fixed (104). Then all of the frequency converted and phase fixed cycles are signal averaged (106) together, and the results displayed (108) to the operator. The cycles may be sorted according to respiratory cycle (204, 304, 404), and averaged (210, 310, 410) in two groups. The cycles may be gated according to the patients ECG (206). The apparatus may also suggest diagnoses (218, 318, 418) or further maneuvers (214) to be performed.
    • 本发明是一种用于通过收集和分析周期性身体声音(例如心跳,外周血管声音或呼吸音)来帮助操作者诊断患者身体状况的装置和方法。 由声音检测器(12)收集几个数据周期,并由模数转换器(28)数字化。 每个周期被转换为频域(102),相位固定(104)。 然后将所有频率转换和相位固定周期信号平均化(106),结果显示(108)给操作员。 循环可以根据呼吸周期(204,304,404)和平均值(210,310,410)进行分类。 循环可以根据患者心电图门控(206)。 该装置还可以建议要执行的诊断(218,318,418)或进一步的操纵(214)。
    • 25. 发明申请
    • Diagnosis and treatment of myocardial failure
    • US20030134282A1
    • 2003-07-17
    • US09969086
    • 2001-10-01
    • University Technology Corporation
    • Michael R. BristowLeslie A. LeinwandWayne MinobeKoichi NakaoKoichiro Kinugawa
    • C12Q001/68C12P019/34G06F019/00G01N033/48G01N033/50
    • C12Q1/6883C07K14/4716C12Q1/6809C12Q2600/158
    • The invention provides methods of diagnosing myocardial failure in a human. The methods comprise obtaining a sample of myocardial tissue from a ventricle of the heart of the human. In one method, the expression of null-myosin heavy chain ((null-MHC), null-myosin heavy chain (null-MHC), or both in the sample is quantitated, and it is determined by statistical analysis if the expression of null-MHC, null-MHC, or both in the sample is significantly different than their expression in normal human ventricular myocardial tissue. A second method comprises quantitating the expression of null1-thyroid hormone receptor (null1-THR), null2-THR, null1-THRnullnull1-THR, or combinations thereof in the sample, and determining by statistical analysis if the expression of null1-THR, null2-THR, or null1-THRnullnull1-THR in the sample is significantly different than their expression in normal human ventricular myocardial tissue. The invention also provides kits for diagnosing myocardial failure by these methods. The invention further provides methods of treating myocardial failure in a human. One method comprises administering an effective amount of an agent that directly causes an increase in the quantity of null-MHC in the myocardial tissue of the heart. A second method comprises administering an effective amount of an agent that directly causes an increase in the quantity of null1-THR, an increase in the quantity of null1-THR, a decrease in the quantity of (null2-THR, or combinations thereof, in the myocardial tissue of the heart. Finally, the invention provides a method of quantitating the expression of a first protein relative to the expression of a second protein or to the total expression of the first and second proteins. The method comprises obtaining a sample of cells or tissue expressing the first protein and the second protein, extracting RNA from the cells or tissue, preparing cDNA from the RNA, amplifying the cDNA coding for the first and second proteins by polymerase chain reaction using primers that hybridize to cDNA coding for the first protein, the second protein or both, and quantitating the amplified PCR products.