JP2720737B2 - Ultrasonic probe - Google Patents
Ultrasonic probeInfo
- Publication number
- JP2720737B2 JP2720737B2 JP4323910A JP32391092A JP2720737B2 JP 2720737 B2 JP2720737 B2 JP 2720737B2 JP 4323910 A JP4323910 A JP 4323910A JP 32391092 A JP32391092 A JP 32391092A JP 2720737 B2 JP2720737 B2 JP 2720737B2
- Authority
- JP
- Japan
- Prior art keywords
- puncture
- needle
- probe
- holder
- ultrasonic
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Surgical Instruments (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、医療用診断、特に表在
組織診断分野に用いる穿刺型の超音波探触子に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a puncture type ultrasonic probe used in medical diagnosis, particularly in the field of superficial tissue diagnosis.
【０００２】[0002]
【従来の技術】この種の超音波探触子に用いる穿刺具に
ついては、実開平３−６４６０８号公報に開示されてい
るような構成が知られている。図４は同公報に開示され
た穿刺具の構成を示しており、図４（ａ）は穿刺金具を
探触子から取り外しているところを示す斜視図、図４
（ｂ）は穿刺金具を探触子に装着しているところを示す
斜視図である。図４に示すように、探触子１には、穿刺
針３をガイド保持する穿刺金具４を備えた探触子装着金
具７が装着されている。穿刺針３は穿刺金具４のガイド
穴６に沿って差し込まれる。また、穿刺金具４は探触子
１の胴部を探触子装着金具７で巻きネジ７ｃで固定され
るようになっている。穿刺針３を被検体へ挿入した後は
穿刺金具４を探触子１から取り外し、被検体には穿刺針
３とともに残して探触子１を取り去ることができる構造
になっている。2. Description of the Related Art A puncture device used for an ultrasonic probe of this type has a structure disclosed in Japanese Utility Model Laid-Open No. 3-64608. FIG. 4 shows the configuration of the puncture device disclosed in the publication, and FIG. 4 (a) is a perspective view showing a state where the puncture device is removed from the probe.
(B) is a perspective view showing that the puncture fitting is mounted on the probe. As shown in FIG. 4, a probe mounting bracket 7 having a puncture bracket 4 for guiding and holding the puncture needle 3 is mounted on the probe 1. The puncture needle 3 is inserted along the guide hole 6 of the puncture fitting 4. Further, the puncture fitting 4 is configured such that the body of the probe 1 is fixed to the body of the probe 1 by a probe mounting fitting 7 with a winding screw 7c. After the puncture needle 3 is inserted into the subject, the puncture fitting 4 is removed from the probe 1, and the probe 1 is removed from the subject while leaving the puncture needle 3 together with the puncture needle 3.
【０００３】また、観察後には、穿刺針３及び穿刺金具
４を同時に被検体より抜き取るようにする。After the observation, the puncture needle 3 and the puncture fitting 4 are simultaneously removed from the subject.
【０００４】また、図５は従来の穿刺金具の他の一例を
示す斜視図である。これは、穿刺針のみを生体に残す形
態のものである。穿刺金具４は上記の例と同様に探触子
１に巻きつけられてネジ止め固定される。穿刺針３は予
め設けられた溝１４に沿って挿入され、そのまま被検体
へと差し込まれる。さらに、ガイド用溝１４の一方向が
切り込まれており、蓋状になっている押え板９が覆う構
成になっている。そして、探触子１の除去に際しては押
え板９を押して針の逃げ部を設け、操作方向と直角方向
に探触子を動かして穿刺針３を外すようになっている。FIG. 5 is a perspective view showing another example of a conventional puncture fitting. This is a form in which only the puncture needle is left in the living body. The puncture fitting 4 is wound around the probe 1 and fixed by screws in the same manner as in the above example. The puncture needle 3 is inserted along a groove 14 provided in advance, and is directly inserted into the subject. Further, one direction of the guide groove 14 is cut, so that the lid-shaped pressing plate 9 is covered. When the probe 1 is removed, the presser plate 9 is pressed to provide a relief portion for the needle, and the probe is moved in a direction perpendicular to the operation direction to remove the puncture needle 3.
【０００５】[0005]
【発明が解決しようとする課題】図４、図５に示したい
ずれの場合においても、超音波探触子を被検体に当接さ
せて断層象を見ながら穿刺操作を行う。穿刺針３が穿刺
金具４の穴６または溝１４に当てられ基準となる面に沿
って挿入される。このとき、上記穿刺針３は案内と画面
上に設けれたガイドラインにより比較的まっすぐに差し
込むことができる。目的とする部位への穿刺針３の挿入
が終了したところで穿刺針３を残したまま探触子１を取
り除くことが必要である。この際、図４に示す例におい
ては、ネジ７ｃを緩めて凹部より外し、探触子装着金具
７を探触子から外して穿刺針３と一緒に残すようにす
る。このように、挿入後の状態維持を図ったまま探触子
１を取り除くことが必要であるが、これらの例によれ
ば、探触子装着金具を外さなければならなかったり、探
触子１を抵抗の大きい走査軸方向に動かさなければなら
ず、そのため穿刺針３に接触したり被検体に傷をつける
恐れがあるなど高い危険性を含んでいた。また、両手に
よる取外しのために探触子を持ち変えたり、操作盤上の
キー操作を一時中断せねばならず、この操作は効率を低
下させ、煩わしさを増大させた。加えて、探触子への装
着金具７の着脱を必要とし、穿刺操作の所要時間が長く
なるという問題もあった。In any of the cases shown in FIGS. 4 and 5, the ultrasonic probe is brought into contact with the subject to perform the puncturing operation while viewing the tomographic image. The puncture needle 3 is applied to the hole 6 or the groove 14 of the puncture fitting 4 and inserted along a reference plane. At this time, the puncture needle 3 can be inserted relatively straight by the guide and the guide line provided on the screen. When the insertion of the puncture needle 3 into the target site is completed, it is necessary to remove the probe 1 while leaving the puncture needle 3. At this time, in the example shown in FIG. 4, the screw 7 c is loosened and removed from the recess, and the probe mounting bracket 7 is removed from the probe and left together with the puncture needle 3. As described above, it is necessary to remove the probe 1 while maintaining the state after the insertion, but according to these examples, the probe mounting bracket must be removed, or the probe 1 may be removed. Must be moved in the direction of the scanning axis, which has a high resistance, which involves a high risk of contact with the puncture needle 3 and possibly damaging the subject. In addition, the probe must be changed for both hands to be removed, and key operations on the operation panel must be temporarily interrupted. This operation reduces efficiency and increases annoyance. In addition, there is a problem that the mounting bracket 7 needs to be attached to and detached from the probe, and the time required for the puncturing operation becomes longer.
【０００６】本発明はこのような従来の問題を解決する
ものであり、穿刺操作をする際に、容易に穿刺ホルダの
装着を可能にするとともに、着脱に要する時間をより短
縮して穿刺臨床の効率向上を図る超音波探触子を提供す
ることを目的とするものである。The present invention solves such a conventional problem. In performing a puncturing operation, the puncturing holder can be easily mounted, and the time required for attaching and detaching the puncturing holder can be shortened. It is an object of the present invention to provide an ultrasonic probe for improving efficiency.
【０００７】[0007]
【課題を解決するための手段】本発明は上記目的を達成
するために、超音波を送受する超音波振動子と、この超
音波振動子に固定され底面部より開口部が狭い台形状の
案内溝を有する受け板と、底面に上記台形状の案内溝に
嵌合する突条部が形成され前面に超音波の走査方向超音
波の走査方向と同一面上に穿刺針を規制する規制部が形
成された穿刺ホルダと、この穿刺ホルダに摺動可能に支
持され弾性部材により上記規制部に付勢されて上記穿刺
針を保持するスライダとを備え、上記突条部を上記案内
溝に嵌合して上記穿刺ホルダを上記超音波振動子に着脱
可能としたことを特徴とするものである。The present invention SUMMARY OF] In order to achieve the above object, an ultrasonic transducer for transmitting and receiving ultrasonic waves, the ultrasonic
Of trapezoidal shape fixed to the ultrasonic transducer
Receiving plate with guide groove and trapezoidal guide groove on the bottom
A ridge to be fitted is formed. Ultrasonic in the scanning direction on the front surface
A regulating part that regulates the puncture needle is on the same plane as the wave scanning direction.
The puncture holder thus formed and the puncture holder are slidably supported.
Punctured by the elastic member and urged by the regulating portion
A slider for holding the needle, and the guide for guiding the ridge portion
The puncture holder is attached to and detached from the ultrasonic transducer by fitting into the groove
It is characterized by being made possible.
【０００８】[0008]
【作用】したがって本発明によれば、穿刺ホルダの脱着
に特に工具を必要とせず、指の押力で脱着することがで
き、煩わしさを削減できる。また、構造が単純ゆえ小型
化が可能であり、操作性を向上できる。According to the present invention, the puncture holder can be attached and detached by a pressing force of a finger without requiring any special tool for attaching and detaching the puncture holder. Further, since the structure is simple, downsizing is possible and operability can be improved.
【０００９】[0009]
【実施例】以下、本発明の一実施例について図面を参照
しながら説明する。図１は本発明の一実施例を示す超音
波探触子の分解斜視図、図２（ａ）、（ｂ）は、超音波
探触子に穿刺ホルダ部を装着した状態を示す斜視図であ
る。２０は超音波探触子であり、超音波を送受する超音
波振動子および電気的・機械的走査機能部を内包してい
る。１８は穿刺ホルダ部であり、ニードルホルダ１２、
ニードル押さえ板１３、スライダ１４、ストッパ１５、
コイルスプリング１６及びネジ１７から構成されてい
る。また、２１は穿刺針である。１９は、穿刺ホルダ部
１８と探触子２０とを接続する際に用いる受け部であ
り、穿刺ホルダ部１８と探触子２０とは受け部１９を接
点として分離できるようになっている。また、受け部１
９は探触子２０とはネジ等で固着させる。そして、穿刺
針２１はニードル押さえ板１３のガイド溝１２ａに沿っ
て挿入されるようになっている。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of an ultrasonic probe showing one embodiment of the present invention, and FIGS. 2A and 2B are perspective views showing a state in which a puncture holder is attached to the ultrasonic probe. is there. Reference numeral 20 denotes an ultrasonic probe, which includes an ultrasonic transducer for transmitting and receiving ultrasonic waves and an electrical / mechanical scanning function unit. Reference numeral 18 denotes a puncture holder, and the needle holder 12
Needle holding plate 13, slider 14, stopper 15,
It is composed of a coil spring 16 and a screw 17. 21 is a puncture needle. Reference numeral 19 denotes a receiving portion used when connecting the puncture holder portion 18 and the probe 20. The puncture holder portion 18 and the probe 20 can be separated from each other by using the receiving portion 19 as a contact point. In addition, receiving part 1
9 is fixed to the probe 20 with screws or the like. The puncture needle 21 is inserted along the guide groove 12a of the needle holding plate 13.
【００１０】ここで、穿刺ホルダ部１８の構成をさらに
詳しく説明する。スライダ１４は、ニードル押さえ板１
３と一体に図２（ａ）における矢印Ａ、Ｂ方向にニード
ルホルダ１２に対して摺動可能に設けられる。Here, the configuration of the puncture holder 18 will be described in more detail. The slider 14 is provided with the needle holding plate 1.
3 is provided slidably with respect to the needle holder 12 in the directions of arrows A and B in FIG.
【００１１】また、スライダ１４は、ニードルホルダ１
２に対して、通常はコイルスプリング１６によって矢印
Ｂ方向に付勢されている。したがって、スライダ１４を
矢印Ａ方向に摺動させると、ニードル押さえ板１３も矢
印Ａ方向に移動してニードルホルダ１２とニードル押さ
え板１３との間隙が大きくなる。したがって、ニードル
ホルダ１２とニードル押さえ板１３とで穿刺針２１を挟
持している状態からスライダ１４を矢印Ａ方向に摺動さ
せることにより、ニードルホルダ１２とニードル押さえ
板１３が開状態となり、穿刺針２１を取り外すことがで
きる。このとき、本実施例では、図より明らかなよう
に、ニードルホルダ１２とニードル押さえ板１３との当
接面が開いたときには、矢印Ａ、Ｂ方向および穿刺針２
１の挿入方向とは垂直方向、つまり走査方向とは直角方
向に穿刺針２１を取り外すことができる。また、ニード
ルホルダ１２とニードル押さえ板１３との間隙は、スト
ッパ１５に螺合しているネジ１７により調節できる。Further, the slider 14 is provided with the needle holder 1.
2 is normally urged by a coil spring 16 in the direction of arrow B. Therefore, when the slider 14 is slid in the direction of the arrow A, the needle pressing plate 13 also moves in the direction of the arrow A, and the gap between the needle holder 12 and the needle pressing plate 13 increases. Therefore, by sliding the slider 14 in the direction of arrow A from the state in which the puncture needle 21 is held between the needle holder 12 and the needle presser plate 13, the needle holder 12 and the needle presser plate 13 are opened, and the puncture needle 21 can be removed. At this time, in this embodiment, as is clear from the drawing, when the contact surface between the needle holder 12 and the needle pressing plate 13 is opened, the directions of the arrows A and B and the puncture needle 2 are changed.
The puncture needle 21 can be detached in a direction perpendicular to the insertion direction of the first, that is, in a direction perpendicular to the scanning direction. The gap between the needle holder 12 and the needle holding plate 13 can be adjusted by a screw 17 screwed to the stopper 15.
【００１２】次に、本実施例における穿刺操作の手順に
ついて説明する。図２（ａ）、（ｂ）はそれぞれ穿刺針
２１の挿入前後の状態を示しており、図３は図１におけ
るＡ−Ａ断面図である。まず、探触子２０に設けた受け
台１９の穴にニードルホルダ１２の突起１２ｂを合わせ
指で押さえる。予め受け台１９には、割１９ａを入れて
いるので、穴部１９ｂが広げられ、ニードルホルダ１２
の突起１２ｂが穴部１９ｂに入りこむ。図３より明らか
なように、穴部１９ｂ及び突起１２ｂの断面は相対する
形状であり、それぞれ台形状をなしており、押し込まれ
た際にはしっかりと係合する。ニードルホルダ１２が装
着されると、次に穿刺操作を行う。Next, the procedure of the puncturing operation in this embodiment will be described. 2A and 2B show states before and after insertion of the puncture needle 21, respectively, and FIG. 3 is a sectional view taken along line AA in FIG. First, the projection 12b of the needle holder 12 is aligned with the hole of the receiving base 19 provided on the probe 20, and pressed with a finger. Since the cradle 19 is previously provided with a split 19a, the hole 19b is widened and the needle holder 12
Of the projection 12b enters the hole 19b. As is clear from FIG. 3, the cross sections of the hole 19b and the protrusion 12b are opposite to each other, have a trapezoidal shape, and are firmly engaged when pushed. When the needle holder 12 is mounted, a puncturing operation is performed next.
【００１３】まず、探触子２０を生体に当接させ、目的
の部位が画面（図示せず）上に断層像および穿刺針を挿
入する目安となるガイドラインが表示されるので、この
ガイドラインを断層像の所望の位置に合わせることで針
挿入の準備が完了する。First, the probe 20 is brought into contact with a living body, and a target region is displayed on a screen (not shown) with a tomographic image and guidelines for inserting a puncture needle. Preparation for insertion of the needle is completed by adjusting it to the desired position on the image.
【００１４】片手で探触子２０を持ち、反対側の手で穿
刺針２１を持つ。次にニードルホルダ１２の溝１２ａに
穿刺針２１の針先を合わせ、溝１２ａを案内として奥へ
差し込む。このとき、ストッパ１５に螺合しているネジ
１７を回転させることにより、ニードルホルダ１２とニ
ードル押さえ板１３との間隙すなわち穿刺ホルダ開口部
の大きさを調整できるので、この間隙を適切に調整して
おくことにより、抵抗なく穿刺針２１を溝１２ａに沿っ
て挿入することができる。また、コイルスプリング１６
およびネジ１７によって、穿刺針２１を押えつける強さ
を調節できる。この強さについては、絞めすぎず強すぎ
ず、探触子２０を天地逆にして自然落下しない程度がよ
い。したがって、穿刺針２１の太さが変わったとしても
ネジ１７を調整することにより適当な大きさの穿刺ホル
ダ開口部にでき、しかも穿刺針２１を押えつける強さも
調整できる。The probe 20 is held with one hand, and the puncture needle 21 is held with the other hand. Next, the tip of the puncture needle 21 is aligned with the groove 12a of the needle holder 12, and inserted into the back with the groove 12a as a guide. At this time, by rotating the screw 17 screwed to the stopper 15, the gap between the needle holder 12 and the needle pressing plate 13, that is, the size of the puncture holder opening can be adjusted. By doing so, the puncture needle 21 can be inserted along the groove 12a without resistance. Also, the coil spring 16
With the screw 17, the strength of pressing the puncture needle 21 can be adjusted. As for this strength, it is preferable that the probe 20 not be too narrow and not too strong, and that the probe 20 be turned upside down so as not to fall naturally. Therefore, even if the thickness of the puncture needle 21 changes, it is possible to make the puncture holder opening of an appropriate size by adjusting the screw 17, and also adjust the strength of pressing the puncture needle 21.
【００１５】次に、ターゲットの位置まで穿刺針２１を
刺し、目的とする作業が終了すると、探触子２０を保持
している側の手の指でスライダ１４を矢印Ａ方向に押
し、ニードル押さえ板１３を矢印Ａ方向に押し出す。こ
れにより穿刺針２１はニードルホルダ１２とニードル押
さえ板１３との間で自由になり、穿刺ホルダ部１８の装
着された探触子２０を穿刺針２１から逃がし、短軸方向
に外すことができる。したがって、穿刺針２１だけを生
体に残し、周辺に何もない状態で次の作業を行うことが
できる。そこで、穿刺針２１を使っても体液の収集など
の作業を終了した後、穿刺針２１を抜いて穿刺操作を完
了する。Next, when the puncture needle 21 is pierced to the target position and the target operation is completed, the slider 14 is pushed in the direction of arrow A with the finger of the hand holding the probe 20 to hold the needle. The plate 13 is extruded in the direction of arrow A. As a result, the puncture needle 21 becomes free between the needle holder 12 and the needle holding plate 13, and the probe 20 with the puncture holder 18 attached thereto can be released from the puncture needle 21 and removed in the short axis direction. Therefore, only the puncture needle 21 is left in the living body, and the next operation can be performed with nothing around. Therefore, even after the operation such as the collection of bodily fluid is completed using the puncture needle 21, the puncture needle 21 is pulled out to complete the puncture operation.
【００１６】次にニードルホルダ１２を手で持ち、強く
引くかまたは少し傾けてこじるようにすれば簡単に穿刺
ホルダ部１８を探触子２０より取り外すことができる。Next, the puncture holder 18 can be easily removed from the probe 20 by holding the needle holder 12 by hand and pulling it hard or tilting it slightly.
【００１７】このように、上記実施例によれば、穿刺ホ
ルダ部１８と探触子２０に互いに係合可能な係合部を設
けることにより、容易に装着、装脱ができ、煩わしさか
らの開放や、穿刺具単独での消毒、洗浄が可能になる。
また、小型化が図れることにより、探触子の操作性が向
上する。As described above, according to the above-described embodiment, the puncture holder 18 and the probe 20 are provided with the engagement portions that can be engaged with each other, so that the puncture holder 18 and the probe 20 can be easily attached and detached, and the troublesome opening can be achieved. Also, disinfection and cleaning with the puncture tool alone can be performed.
In addition, the operability of the probe is improved by downsizing.
【００１８】なお、本実施例ではニードルホルダ１２に
突部１２ｂを、受け部１９に穴１９ｂ（凹部）を設けた
が、必ずしもこの形状にこだわるものではなく、これら
の形状を逆にしてもよい。ようは、互いに係合可能な形
状にすることで本実施例と同様の効果を得ることができ
る。In this embodiment, the projection 12b is provided on the needle holder 12 and the hole 19b (recess) is provided on the receiving portion 19. However, the present invention is not limited to this shape, and these shapes may be reversed. . As described above, the same effects as in the present embodiment can be obtained by making the shapes engageable with each other.
【００１９】[0019]
【発明の効果】本発明は上記実施例から明らかなよう
に、探触子と穿刺金具の着脱が容易にできるようにした
ものであり、着脱の煩わしさを皆無にし、その所要時間
を著しく短縮したもので、穿刺操作の大幅な効率向上を
図ることができる。As is clear from the above embodiment, the present invention makes it possible to easily attach and detach the probe to and from the puncture fitting, eliminating the hassle of attaching and detaching, and significantly reducing the required time. Thus, the efficiency of the puncturing operation can be greatly improved.
【００２０】また、簡単に穿刺金具を着脱できるので、
穿刺金具の洗浄消毒もその都度即座に実施できる。加え
て構造が簡単であるので、安価に提供できる。Also, since the puncture fitting can be easily attached and detached,
Cleaning and disinfection of the puncture fitting can be performed immediately each time. In addition, since the structure is simple, it can be provided at low cost.
【図１】本発明の一実施例を示す超音波探触子の分解斜
視図FIG. 1 is an exploded perspective view of an ultrasonic probe showing one embodiment of the present invention.
【図２】同実施例の要部の斜視図FIG. 2 is a perspective view of a main part of the embodiment.
【図３】図１におけるＡ−Ａ断面図FIG. 3 is a sectional view taken along line AA in FIG. 1;
【図４】従来の穿刺金具を示す斜視図FIG. 4 is a perspective view showing a conventional puncture fitting.
【図５】従来の穿刺金具の他の例を示す斜視図FIG. 5 is a perspective view showing another example of a conventional puncture fitting.
１２ ニードルホルダ １３ ニードル押さえ板 １４ スライダ １５ ストッパ １６ コイルスプリング １７ ネジ １９ 受け部 ２０ 超音波探触子 ２１ 穿刺針 12 Needle Holder 13 Needle Holder 14 Slider 15 Stopper 16 Coil Spring 17 Screw 19 Receiver 20 Ultrasonic Probe 21 Puncture Needle
───────────────────────────────────────────────────── フロントページの続き (72)発明者 木間塚 道代 神奈川県横浜市港北区綱島東四丁目３番 １号 松下通信工業株式会社内 (56)参考文献 特開 平１−280446（ＪＰ，Ａ) 実開 昭62−59006（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Michiyo Kimazuka 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Matsushita Communication Industrial Co., Ltd. (56) References JP-A-1-280446 (JP, A) 62-59006 (JP, U)
Claims (1)
超音波振動子に固定され底面部より開口部が狭い台形状
の案内溝を有する受け板と、底面に上記台形状の案内溝
に嵌合する突条部が形成され前面に超音波の走査方向超
音波の走査方向と同一面上に穿刺針を規制する規制部が
形成された穿刺ホルダと、この穿刺ホルダに摺動可能に
支持され弾性部材により上記規制部に付勢されて上記穿
刺針を保持するスライダとを備え、上記突条部を上記案
内溝に嵌合して上記穿刺ホルダを上記超音波振動子に着
脱可能としたことを特徴とする超音波探触子。And 1. A ultrasonic transducers for transmitting and receiving ultrasonic waves, this
Trapezoid that is fixed to the ultrasonic transducer and has an opening smaller than the bottom
Receiving plate having a guide groove of
A ridge is formed to fit the
A regulating part that regulates the puncture needle is on the same plane as the sound wave scanning direction.
The formed puncture holder and slidable to this puncture holder
It is supported and urged by the elastic member to
A slider for holding a piercing needle;
The puncture holder is attached to the ultrasonic vibrator by fitting into the inner groove.
An ultrasonic probe characterized by being removable .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4323910A JP2720737B2 (en) | 1992-12-03 | 1992-12-03 | Ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4323910A JP2720737B2 (en) | 1992-12-03 | 1992-12-03 | Ultrasonic probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06169919A JPH06169919A (en) | 1994-06-21 |
| JP2720737B2 true JP2720737B2 (en) | 1998-03-04 |
Family
ID=18159985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4323910A Expired - Fee Related JP2720737B2 (en) | 1992-12-03 | 1992-12-03 | Ultrasonic probe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2720737B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6259006U (en) * | 1985-10-01 | 1987-04-13 | ||
| JPH0747027B2 (en) * | 1988-05-06 | 1995-05-24 | 和雄 馬場 | Ultrasound endoscope |
-
1992
- 1992-12-03 JP JP4323910A patent/JP2720737B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06169919A (en) | 1994-06-21 |
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