東華大學圖書館 |

Language: English

Help

回圖書館首頁

手機版館藏查詢

Back

Switch To: Labeled | MARC Mode | ISBD

Ultrasound technique for tissue diff...

Kachroo, Pushkin.

Linked to FindBook

Google Book

Amazon

博客來

Ultrasound technique for tissue differentiation.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Ultrasound technique for tissue differentiation./
Author:	Kachroo, Pushkin.
Description:	129 p.
Notes:	Director: John B. Cheatham, Jr.
Contained By:	Masters Abstracts International29-02.
Subject:	Engineering, Biomedical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1342276

Ultrasound technique for tissue differentiation.
Kachroo, Pushkin.

Ultrasound technique for tissue differentiation. - 129 p.

Director: John B. Cheatham, Jr.

Thesis (M.S.)--Rice University, 1990.

Pressure sores are a serious medical problem, which cause a great deal of economic and physical damage. The old method of skin color identification is not quantitative and is usually unreliable. Among various methods which are being tried for early identification of pressure sores, ultrasonic technique is one. A method has been developed which helps to calculate the stiffness of the tissue under the skin at various depths. This method consists of a perturbator which vibrates on the surface of the skin with a known amplitude and frequency. The wave generated on the surface behaves as an exponentially decaying sinusoidal wave with respect to time and downward distance for a constant stiffness of the medium. With the help of an ultrasonic transducer embedded on the perturbator head, displacement can be calculated at each depth for various times. Using computer software, these displacements are noted for various times to find out the amplitude for each depth which is then plotted on the computer screen. According to the changes in slope of the curve, different tissue regions are identified and their moduli are compared. A computer simulation to show the expected amplitude-depth plot for a possible pressure sore region is done.Subjects--Topical Terms:

1017684
Engineering, Biomedical.

Ultrasound technique for tissue differentiation.
LDR:02044nam 2200265 a 45 001 973383
005 20110928
008 110928s1990 eng d
035 $a (UMI)AAI1342276
035 $a AAI1342276
040 $a UMI $c UMI
100 1 $a Kachroo, Pushkin. $3 923887
245 1 0 $a Ultrasound technique for tissue differentiation.
300 $a 129 p.
500 $a Director: John B. Cheatham, Jr.
500 $a Source: Masters Abstracts International, Volume: 29-02, page: 0297.
502 $a Thesis (M.S.)--Rice University, 1990.
520 $a Pressure sores are a serious medical problem, which cause a great deal of economic and physical damage. The old method of skin color identification is not quantitative and is usually unreliable. Among various methods which are being tried for early identification of pressure sores, ultrasonic technique is one. A method has been developed which helps to calculate the stiffness of the tissue under the skin at various depths. This method consists of a perturbator which vibrates on the surface of the skin with a known amplitude and frequency. The wave generated on the surface behaves as an exponentially decaying sinusoidal wave with respect to time and downward distance for a constant stiffness of the medium. With the help of an ultrasonic transducer embedded on the perturbator head, displacement can be calculated at each depth for various times. Using computer software, these displacements are noted for various times to find out the amplitude for each depth which is then plotted on the computer screen. According to the changes in slope of the curve, different tissue regions are identified and their moduli are compared. A computer simulation to show the expected amplitude-depth plot for a possible pressure sore region is done.
590 $a School code: 0187.
650 4 $a Engineering, Biomedical. $3 1017684
650 4 $a Engineering, Mechanical. $3 783786
690 $a 0541
690 $a 0548
710 2 0 $a Rice University. $3 960124
773 0 $t Masters Abstracts International $g 29-02.
790 $a 0187
790 1 0 $a Cheatham, John B., Jr., $e advisor
791 $a M.S.
792 $a 1990
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1342276