JPS61130206U - - Google Patents
Info
- Publication number
- JPS61130206U JPS61130206U JP1216085U JP1216085U JPS61130206U JP S61130206 U JPS61130206 U JP S61130206U JP 1216085 U JP1216085 U JP 1216085U JP 1216085 U JP1216085 U JP 1216085U JP S61130206 U JPS61130206 U JP S61130206U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- rotating member
- magnetic seal
- endoscope
- supporting member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
第１図は本考案に係る超音波振動子の回転軸の
一部断面による平面図、第２図は本考案に係る回
転軸を組み込んだ磁気シール部の縦断面図、第３
図は超音波内視鏡の先端硬性部の内部構造を示す
縦断面図、第４図は超音波内視鏡の概略構成を示
す外観図、第５図は操作部から先端硬性部までの
概略構成を示す縦断面図、第６図は従来技術の問
題点を明らかにするための磁気シール部縦断面図
。
１…超音波振動子の回転軸、３…永久磁石、４
…ポールピース、５…超音波媒体液、８…超音波
透過体、９…磁性流体、１０…超音波振動子、１
８…磁気シール部、１１０…磁力線。
Fig. 1 is a partial cross-sectional plan view of the rotating shaft of an ultrasonic transducer according to the present invention, Fig. 2 is a longitudinal cross-sectional view of a magnetic seal incorporating the rotating shaft according to the present invention, and Fig. 3
The figure is a longitudinal cross-sectional view showing the internal structure of the rigid tip of the ultrasound endoscope, Figure 4 is an external view showing the general configuration of the ultrasound endoscope, and Figure 5 is a schematic diagram from the operating section to the rigid tip. FIG. 6 is a vertical cross-sectional view of the magnetic seal portion to clarify the problems of the prior art. 1... Rotating shaft of ultrasonic vibrator, 3... Permanent magnet, 4
...Pole piece, 5...Ultrasonic medium liquid, 8...Ultrasonic transmitter, 9...Magnetic fluid, 10...Ultrasonic vibrator, 1
8... Magnetic seal portion, 110... Lines of magnetic force.
Claims (1)
の先端硬性部に、超音波を送受信するための超音
波振動子と、該超音波振動子を支持する回転部材
と、該回転部材を支持する支持部材と、前記回転
部材と支持部材とによつて封入された超音波媒体
液と、前記回転部材と支持部材によつて構成され
該超音波媒体液の漏出防止を行う磁気シールとを
備える超音波内視鏡において、 磁気シールの一部を構成する前記回転部材は超
音波振動子を支持する部分を非磁性体とし前記磁
気シール内を挿通する部分を磁性体として一体形
成されて成ることを特徴とする超音波内視鏡。[Claims for Utility Model Registration] An ultrasonic transducer for transmitting and receiving ultrasonic waves, and an ultrasonic transducer supported in the rigid distal end of the body insertion part of an endoscope for optically observing the inside of a body cavity. a rotating member, a supporting member that supports the rotating member, an ultrasonic medium liquid sealed by the rotating member and the supporting member, and an ultrasonic medium liquid sealed by the rotating member and the supporting member; In an ultrasonic endoscope equipped with a magnetic seal that prevents leakage, the rotating member forming a part of the magnetic seal has a portion that supports the ultrasonic transducer made of a non-magnetic material and a portion that passes through the magnetic seal. An ultrasonic endoscope characterized by being integrally formed as a magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1216085U JPS61130206U (en) | 1985-02-01 | 1985-02-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1216085U JPS61130206U (en) | 1985-02-01 | 1985-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61130206U true JPS61130206U (en) | 1986-08-14 |
Family
ID=30494957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1216085U Pending JPS61130206U (en) | 1985-02-01 | 1985-02-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61130206U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158031A (en) * | 1979-05-28 | 1980-12-09 | Olympus Optical Co | Ultrasonic diagnosis device in coelom |
| JPS58103442A (en) * | 1981-12-15 | 1983-06-20 | オリンパス光学工業株式会社 | Ultrasonic diagnostic apparatus of body cavity |
-
1985
- 1985-02-01 JP JP1216085U patent/JPS61130206U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158031A (en) * | 1979-05-28 | 1980-12-09 | Olympus Optical Co | Ultrasonic diagnosis device in coelom |
| JPS58103442A (en) * | 1981-12-15 | 1983-06-20 | オリンパス光学工業株式会社 | Ultrasonic diagnostic apparatus of body cavity |
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