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Bone assessment apparatus and method
| Details |
Inventors: Ohtomo, Naoki; Kimura, Shigeo;
Assignee: Aloka Co., Ltd. (Mitaka, JP)
Primary Examiner: Manuel; George
Assistant Examiner:
Attorney, Agent or Firm: Fish & Richardson
A bone assessment apparatus for transmitting and receiving measuring waves through a test part of a patient to diagnose the condition of the test part, includes a measuring bath containing a coupling liquid required for precise measurement and an immersion pouch for keeping the test part out of contact with the coupling liquid. The test part is inserted into the immersion pouch in the measuring bath without touching the coupling liquid. Even during the screening of a number of patients the coupling liquid is prevented, from being contaminated by the test parts of the patients and therefore it is not necessary to change the coupling liquid often. The use of the immersion pouch is detected by a detector to correct a deviation in diagnosis data obtained from the received measuring wave on the basis of a specific correction value assigned to each immersion pouch, thereby providing more precise diagnosis data. |
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DETAILED DESCRIPTION This invention has been made to overcome the aforesaid problems in the conventional bone assessment apparatus.
Therefore the object of the present invention is to realize an effective measurement without requiring a change of water by preventing the water from being contaminated even during a series of measurements of a number of patients.
In order to achieve the above objective, this invention provides a bone assessment apparatus using measuring waves irradiated to a test part, comprising devices for transmitting and receiving measuring waves through the test part, a measuring bath for containing a coupling liquid to exclude an air layer between the test part and the transmitting/receiving devices, and means for keeping the test part out of contact with the coupling liquid inside the measuring bath.
In another aspect of the invention, a bone assessment apparatus comprises devices for transmitting and receiving measurement waves through the test part, a measuring bath for containing a coupling liquid to exclude an air layer between the test part and the transmitting/receiving devices, a means removably provided in the measuring bath for keeping the test part out of contact with the coupling liquid, means for detecting the existence of the noncontacting means, and a data processor for computing diagnosis data based on the received measuring waves, said data processor being capable of correcting the diagnosis data computed from the received waves on the basis of a specific correction value assigned to each of the noncontacting means when the existence of the noncontacting means is detected by the detecting means.
According to a third aspect of the invention, a bone assessing method for transmitting and receiving measuring waves through a test part to diagnose the test part based on data obtained from the received waves, is also provided.
This method comprises the steps of preparing a measuring bath filled with a coupling liquid, positioning the test part inside the measuring bath without contacting the coupling liquid, and transmitting and receiving the measuring waves through the test part
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