Ultrasonic Diagnostic Apparatus

• US 20090088616A1
• Filed: 02/13/2006
• Published: 04/02/2009
• Est. Priority Date: 05/18/2005
• Status: Active Grant

• Current Assignee: FUJIFILM Healthcare Corp. (Fujifilm Holdings Corporation)
• Original Assignee: Hitachi Medical Corporation (Hitachi, Ltd.)
• Inventors: Maki, Atsushi, Kiguchi, Masashi, Fujiwara, Michiyuki, Atsumori, Hirokazu
• Granted Patent: US 8,229,531 B2
• Time in Patent Office: Days
• US Class Current: 600/322
• CPC Class Codes: A61B 2562/0233 Special features of optical sensors or probes classified in A61B5/00
• CPC Class Codes: A61B 2562/046 in a matrix array
• CPC Class Codes: A61B 5/0059 using light, e.g. diagnosis by transillumination, diascopy, fluorescence A61B5/0093, A61B5/1455, A61B5/02416 and A61B5/0261 take precedence
• CPC Class Codes: A61B 5/6814 Head

Abstract

There is provided an optical bioinstrumentation device, with which measurement data reflect more correctly the information inside the living body with less noise even the subject moves when the information inside the living body is measured by using the light.

In the present invention, the means for fixing the part other than the tips of the optical fibers for irradiation and detection on the fixing member which is to fix the tips of the optical fiber for irradiation and detection on the subject, or, the means for fixing the optical fiber is fixed on the fixing member which is to fix the end of the optical fiber on the subject, or the means for fixing the optical fiber at two or more positions on the subject.

Claims

1. An optical bioinstrumentation device for measuring hemodynamic changes in the head of a subject,

which comprises the plural number of optical fibers for irradiating the light on the head of the subject, the plural number of optical fibers for detecting the light transmitting inside the head, a fixing member for holding the tip of the plural number of optical fibers for irradiation and the tip of the plural number of optical fibers for detection on the head, and the plural number of means for fixing optical fibers to fix the part other than the tip of the plural number of optical fibers for irradiation and the part other than the tip of the plural number of optical fibers for detection on the fixing member respectively,

wherein the fixing member is fixed on the head of the subject, and the fixture is installed for each of the plural number of optical fibers for irradiation and the plural number of optical fibers for detection.

2. The optical bioinstrumentation device according to claim 1, wherein the fixture is made of adhesive member.

3. The optical bioinstrumentation device according to claim 1, wherein the means for fixing optical fibers fix the plural number of optical fibers for irradiation or the optical fibers for detection at the same time.

4. The optical bioinstrumentation device according to claim 1, wherein further comprises the second means for fixing optical fibers to fix the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection on the subject.

5. An optical bioinstrumentation device for measuring hemodynamic changes in the head of the subject,

which comprises the plural number of optical fibers for irradiating the light on the head of a subject, the plural number of optical fibers for detecting light transmitting inside the head, a fixing member fixed on the head of the subject for holding the tip of the plural number of optical fibers for irradiation and the tip of the plural number of optical fibers for detection on the head, and a first means for fixing optical fibers to fix the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection on the fixing member, and a second means for fixing optical fibers to fix the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection on the fixing member.

6. The optical bioinstrumentation device according to claim 5, wherein the second means for fixing optical fibers is fixed on a wearing member which the subject wears.

7. The optical bioinstrumentation device according to claim 5, wherein the first and second means for fixing optical fibers is of structure with protrusions, and fixes optical fibers by entangling the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection with the protrusion structure.

8. The optical bioinstrumentation device according to claim 5, wherein the second means for fixing optical fibers is fixed on the shoulder part, back part, hip part or head part of the subject.

9. The optical bioinstrumentation device according to claim 5, wherein the first means for fixing optical fibers is installed near the end of the plural number of optical fibers for irradiation and near the end of the plural number of optical fibers for detection respectively.

10. An optical bioinstrumentation device for measuring hemodynamic changes in the head of the subject,

which comprises the plural number of optical fibers for irradiating the light on the head of a subject, the plural number of optical fibers for detecting the light transmitting inside the head, a fixing member fixed on the head of the subject for holding the tip of the plural number of optical fibers for irradiation and the tip of the plural number of optical fibers for detection on the head, and a first means for fixing optical fibers to fix the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection on a first position on the subject, and a second means for fixing optical fibers to fix the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection on a second position on the subject.

11. The optical bioinstrumentation device according to claim 10, wherein the second means for fixing optical fibers is fixed on a wearing member which the subject wears.

12. The optical bioinstrumentation device according to claim 10, wherein the first and second means for fixing optical fibers is of structure with protrusions, and fixes optical fibers by entangling the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection with the protrusion structure.

13. The optical bioinstrumentation device according to claim 10, wherein the second means for fixing optical fibers is fixed on the shoulder part, back part, hip part or head part of the subject.

14. The optical bioinstrumentation device according to claim 10, which further comprises the third means for fixing optical fibers to fix the parts other than the tip of the plural number of optical fibers for irradiation and the parts other than the tip of the plural number of optical fibers for detection on the fixing member.

15. The optical bioinstrumentation device according to claim 14, wherein the third fixture is installed near the tip of the plural number of optical fibers for irradiation and near the tip of the plural number of optical fibers for detection respectively.