JPH03126452A - Ultrasonic surgical operation device for ophthalmology - Google Patents
Ultrasonic surgical operation device for ophthalmologyInfo
- Publication number
- JPH03126452A JPH03126452A JP1265515A JP26551589A JPH03126452A JP H03126452 A JPH03126452 A JP H03126452A JP 1265515 A JP1265515 A JP 1265515A JP 26551589 A JP26551589 A JP 26551589A JP H03126452 A JPH03126452 A JP H03126452A
- Authority
- JP
- Japan
- Prior art keywords
- horn
- irrigation fluid
- ultrasonic
- surgical instrument
- transmission tube
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 230000002262 irrigation Effects 0.000 claims description 35
- 238000003973 irrigation Methods 0.000 claims description 35
- 239000012530 fluid Substances 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 abstract 3
- 230000000007 visual effect Effects 0.000 abstract 1
- 208000002177 Cataract Diseases 0.000 description 7
- 238000001356 surgical procedure Methods 0.000 description 7
- 210000002159 anterior chamber Anatomy 0.000 description 6
- 210000005252 bulbus oculi Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、眼科用超音波手術器に係り、特に灌流液を供
給する水晶体除去手術において、患部に超音波振動を伝
達させて白内障組織を破砕・吸引する眼科用超音波手術
器の例えばホーンに関するものである。Detailed Description of the Invention [Industrial Application Field] The present invention relates to an ophthalmological ultrasonic surgical instrument, and particularly in lens removal surgery in which irrigation fluid is supplied, ultrasonic vibrations are transmitted to the affected area to remove cataract tissue. This relates to, for example, a horn of an ophthalmic ultrasonic surgical instrument that crushes and aspirates.
［従来の技術］
現在、医療分野において、広範囲に利用されている眼科
用超音波手術器では、振動子で発生した超音波振動の振
幅を、ホーンによって、患部組織を破砕可能なレベルま
で増幅し、この振幅の増幅された超音波振動を患部に伝
達し、その患部の白内障組織を破砕し、破砕された組織
片を灌流液とともに吸引・除去することが行われている
。[Prior Art] Currently, ophthalmological ultrasonic surgical instruments that are widely used in the medical field use a horn to amplify the amplitude of ultrasonic vibrations generated by a vibrator to a level that can crush the affected tissue. This ultrasonic vibration with amplified amplitude is transmitted to the affected area, the cataract tissue in the affected area is crushed, and the crushed tissue pieces are suctioned and removed together with the irrigation fluid.
つまり、一般に眼科用超音波手術器は、白内障組織を破
砕するためのホーンから成る超音波振動部と、このホー
ンと同軸に形成され、患部の冷却と洗浄及び眼球前房内
の圧力維持とを兼ねる灌流液を供給する潅流部と、上記
ホーンに形成された通路を通して破砕された白内障組織
片を灌流液とともに吸引除去する吸引部とで構成されて
いる。In other words, an ophthalmological ultrasonic surgical instrument generally includes an ultrasonic vibrating section consisting of a horn for crushing cataract tissue, and an ultrasonic vibrating section formed coaxially with this horn, which cools and cleans the affected area and maintains pressure in the anterior chamber of the eyeball. It is composed of an irrigation section that also serves as an irrigation fluid, and a suction section that sucks and removes crushed cataract tissue pieces together with the irrigation fluid through a passage formed in the horn.
第４図には、このような従来の眼科用超音波手術器の一
例が示されており、第４図は、眼科用超音波手術器の断
面を示した側面図であり、以下第４図の構成及び作用を
説明する。FIG. 4 shows an example of such a conventional ophthalmic ultrasonic surgical instrument, and FIG. 4 is a side view showing a cross section of the ophthalmic ultrasonic surgical instrument. The structure and operation of this will be explained.
図において、例えば電歪などの振動子１０は図示しない
給電部から供給される電気信号を超音波振動に変換する
。そして、この振動子１０は図に示すように伝達管１４
として一体に形成されており、この伝達管１４は、振動
子１０で発生した超音波振動を伝達する。In the figure, a vibrator 10, such as an electrostrictive vibrator, converts an electric signal supplied from a power supply section (not shown) into ultrasonic vibration. This vibrator 10 is connected to a transmission pipe 14 as shown in the figure.
The transmission pipe 14 transmits the ultrasonic vibrations generated by the vibrator 10.
そして、この伝達管１４の他の一端には、パイプ状で先
細りのホーン１２が設けられており、このホーン１２は
患部組織を破砕可能なレベルまで超音波振動の振幅を増
幅するとともに、その先端部を患部に当接することによ
り、患部組織の破砕、乳化を行う。A tapered pipe-shaped horn 12 is provided at the other end of the transmission tube 14, and this horn 12 amplifies the amplitude of the ultrasonic vibration to a level capable of crushing the affected tissue. By bringing the part into contact with the affected area, the affected tissue is crushed and emulsified.
上記振動子１０、伝達管１４及びホーン１２の軸線上中
心部には灌流液吸引通路１６が連通されており、この灌
流液吸引通路１６の一端部は、灌流液で満たされた患部
に当接され、他端部は図示しない吸引ポンプなとの吸引
手段に接続されている。An irrigation fluid suction passage 16 is communicated with the axial center of the vibrator 10, transmission tube 14, and horn 12, and one end of this irrigation fluid suction passage 16 contacts the affected area filled with irrigation fluid. The other end is connected to suction means such as a suction pump (not shown).
上記ホーン１２の外周には、円筒状で先細りの保護管１
８が該伝達管１４を包囲するように設けられており、こ
の保護管１８は、上記の振動子１０及び伝達管１４を収
納した外筒２４に連結されている。A cylindrical and tapered protective tube 1 is provided on the outer periphery of the horn 12.
8 is provided to surround the transmission tube 14, and this protection tube 18 is connected to an outer cylinder 24 that houses the above-mentioned vibrator 10 and transmission tube 14.
そして、ホーン１２及び伝達管１４と、外筒２４及び保
護管１８との間に該ホーン１２と同軸に、患部の冷却と
洗浄及び眼球前房内の圧力維持とを兼ねた灌流液２０を
供給する灌流液供給通路２２が形成されている。Then, an irrigation fluid 20 is supplied coaxially with the horn 12 between the horn 12 and the transmission tube 14, and the outer tube 24 and the protective tube 18, which serves to cool and clean the affected area and maintain pressure in the anterior chamber of the eyeball. An irrigation fluid supply passage 22 is formed.
上記構成の眼科用超音波手術器によれば、手術者は白内
障組織を破砕、吸引して取り除くため、手術器の先端、
すなわち、ホーン１２の先端を患部に当接する。According to the ophthalmic ultrasonic surgical instrument configured as described above, in order to remove cataract tissue by crushing and suctioning, the operator uses the tip of the surgical instrument,
That is, the tip of the horn 12 is brought into contact with the affected area.
この状態において、図示しない給電部から電気信号を振
動子１０に供給し、この電気信号で振動子１０に発生さ
せた超音波振動の振幅を伝達管１４を介してホーン１２
で所定レベルまで増幅する。In this state, an electric signal is supplied to the vibrator 10 from a power feeding section (not shown), and the amplitude of the ultrasonic vibration generated in the vibrator 10 is transmitted to the horn 12 via the transmission pipe 14.
to amplify it to a predetermined level.
この増幅された超音波振動は、例えば１０倍程度増幅さ
れた振幅を得ることができる。This amplified ultrasonic vibration can have an amplitude amplified by about 10 times, for example.
そして、保護管１８の先端部は、患部付近の眼球前房内
に挿入されているので、ホーン１２の先端部を手術者の
手動操作で患部に接触させる。これにより、振幅の増幅
された超音波振動の衝撃が患部に与えられ、患部の白内
障ｍ織を破砕することができる。Since the distal end of the protective tube 18 is inserted into the anterior chamber of the eyeball near the affected area, the distal end of the horn 12 is manually brought into contact with the affected area by the operator. As a result, an impact of ultrasonic vibration with amplified amplitude is applied to the affected area, and the cataract tissue in the affected area can be crushed.
このとき、灌流液供給バイブ２６から灌流液供給通路２
２に送り込まれた灌流液２０を該通路の先端から流出さ
せ（図示の矢印の方向←）、この灌流液２０で図に示す
矢印のように患部の冷却と洗浄及び眼球前房内の圧力を
維持する。At this time, from the irrigation fluid supply vibe 26 to the irrigation fluid supply passage 2
2 flows out from the tip of the passage (in the direction of the arrow shown in the figure), and the irrigation liquid 20 is used to cool and clean the affected area and reduce the pressure in the anterior chamber of the eyeball as shown by the arrow in the figure. maintain.
その後、ホーン１２の先端吸引口２８から図示しない吸
引手段により、破砕された組織片を灌流液２０とともに
吸引・除去する。すなわち、破砕された組織片は、灌流
液２０とともにホーン１２先端部→灌流液吸引通路１６
の順に、矢印方向−に吸引されて患部外へ除去される。Thereafter, the crushed tissue pieces are suctioned and removed together with the irrigation fluid 20 from the tip suction port 28 of the horn 12 by a suction means (not shown). That is, the crushed tissue pieces are transported together with the irrigation fluid 20 from the tip of the horn 12 to the irrigation fluid suction passage 16.
In this order, it is suctioned in the direction of the arrow and removed from the affected area.
このように、患部である白内障組織を破砕・除去した後
、手術器の先端部、すなわちホーン１２の先端を患部か
ら引き抜くことにより、手術が終了する。After the cataract tissue in the affected area is crushed and removed in this way, the tip of the surgical instrument, that is, the tip of the horn 12, is pulled out from the affected area, thereby completing the surgery.
［発明が解決しようとする課８１
上記従来の眼科用超音波手術器によれば、適用されてい
るホーン１２は、例えばチタンで作られており、第５図
に示されているように、伝達管１４に接続するホーン先
端部２９、外径変化部３０、スパナなどの工具引掛は段
差部３２、フランジ部３４、振動子１０に取り付けるた
めのネジ部３６とが一体に構成されている。[Problem to be Solved by the Invention 81 According to the conventional ophthalmic ultrasonic surgical instrument described above, the horn 12 used is made of titanium, for example, and as shown in FIG. A horn tip 29 connected to the tube 14, an outer diameter changing portion 30, and a hook for a tool such as a spanner are integrally formed with a stepped portion 32, a flange portion 34, and a threaded portion 36 for attachment to the vibrator 10.
なお、第５図に示されたホーン１２は、工具引掛は段差
部３２とフランジ部３４が一体化されたものを示してい
る。Note that the horn 12 shown in FIG. 5 has a tool hook in which a stepped portion 32 and a flange portion 34 are integrated.
第５図において、上記外径変化部３０及びフランジ部３
２は、図示されている矢印の超音波振動方向（長さ方向
）４６に対して直角に近い曲面３０ａ又は直角な面３４
ａを有している。In FIG. 5, the outer diameter changing portion 30 and the flange portion 3 are shown.
2 is a curved surface 30a that is nearly perpendicular to the ultrasonic vibration direction (length direction) 46 of the arrow shown in the figure or a surface 34 that is perpendicular to it.
It has a.
このため、第４図に示すように、灌流液供給パイプ２６
から灌流液供給通路２２に送り込まれた灌流液２０は、
上記の曲面３０ａ及び直角な面（９０°）３４ａでキャ
ビテーションを生じ、発生した気泡が眼球前房内に流入
し、顕微鏡を使用して手術を行う手術者にとって、患部
の視野の妨げとなるという問題点があった。For this reason, as shown in FIG.
The perfusate 20 sent into the perfusate supply passage 22 from
Cavitation occurs on the curved surface 30a and the right-angled surface (90°) 34a, and the generated air bubbles flow into the anterior chamber of the eyeball, which obstructs the surgeon's view of the affected area when performing surgery using a microscope. There was a problem.
発明の目的
本発明は、上記従来の課題に鑑みなされたものであり、
その目的は、気泡の発生を低減させ、患部の視野を明瞭
にし、手術の時間短縮及び正確さを向上させることので
きる眼科用超音波手術器を提供することを目的とする。Purpose of the Invention The present invention has been made in view of the above-mentioned conventional problems,
The purpose is to provide an ophthalmic ultrasonic surgical instrument that can reduce the generation of bubbles, clarify the field of view of the affected area, and improve the time and accuracy of surgery.
［課題を解決するための手段］
上記目的を達成するために、本発明に係る眼科用超音波
手術器は、電気信号を超音波振動に変換する振動子と、
前記振動子と一体に形成され、該振動子により発生した
超音波振動を伝達する伝達管と、前記伝達管と接続され
、患部組織に当接して該患部を破砕するホーンと、前記
ホーン及び前記伝達管を包囲する保護管と、前記ホーン
及び伝達管と前記保護管との間に灌流液を流す灌流液通
路と、を有し、患部に灌流液を供給して患部組織を破砕
・吸引する眼科用超音波手術器において、前記伝達管と
ホーンとの連結部を超音波振動の振動方向に対して６０
°以下となる外径形状としたことを特徴としている。[Means for Solving the Problems] In order to achieve the above object, an ophthalmic ultrasonic surgical instrument according to the present invention includes a vibrator that converts an electric signal into ultrasonic vibration,
a transmission tube that is formed integrally with the vibrator and transmits ultrasonic vibrations generated by the vibrator; a horn that is connected to the transmission tube and comes into contact with the affected tissue to crush the affected tissue; the horn and the It has a protective tube that surrounds the transmission tube, and an irrigation fluid passageway that allows irrigation fluid to flow between the horn, the transmission tube, and the protection tube, and supplies the irrigation fluid to the affected area to crush and suction the affected tissue. In the ophthalmological ultrasonic surgical instrument, the connecting portion between the transmission tube and the horn is set at 60° with respect to the vibration direction of the ultrasonic vibration.
It is characterized by having an outer diameter shape that is less than .
［作用］
以上のような構成としたので、この発明に係る眼科用超
音波手術器によれば、前記ホーンに設けられた伝達管の
振動子とホーンとの連結部を、超音波振動の振動方向に
対して６０°以下の外径形状とし、６０’以下の傾斜面
に切削したことにより、キャビテーションの発生が防止
される。[Function] With the above configuration, according to the ophthalmological ultrasonic surgical instrument according to the present invention, the connecting portion between the vibrator of the transmission tube provided in the horn and the horn can be connected to the vibration of ultrasonic vibration. Cavitation is prevented by having an outer diameter shape of 60° or less with respect to the direction and cutting into an inclined surface of 60' or less.
すなわち、灌流液通路内は、灌流液の流れの乱れが少な
くなる。このため、灌流液中に発生する気泡（キャビテ
ーション）が低減し、患部の視野を明瞭にし、手術の時
間短縮及び正確さを向上させることができる。That is, the turbulence of the flow of the irrigation fluid in the irrigation fluid passageway is reduced. Therefore, bubbles (cavitation) generated in the irrigation fluid are reduced, the field of view of the affected area is made clear, and the time and accuracy of surgery can be improved.
［実施例］
第１図は、本発明に係る眼科用超音波手術器の側面図、
第２図は、その斜視図を示している。[Example] FIG. 1 is a side view of an ophthalmic ultrasonic surgical instrument according to the present invention,
FIG. 2 shows a perspective view thereof.
第１実施例である第１図及び第２図において、ホーン１
２の外径変化部３０及びフランジ部３４は、振動方向４
６に対してθｌ、θ２の６０°以下の角度に切削された
傾斜面３８及び４０に形成されている。In FIGS. 1 and 2, which are the first embodiment, the horn 1
The outer diameter changing portion 30 and the flange portion 34 of No. 2 vibrate in the vibration direction 4.
They are formed on inclined surfaces 38 and 40 cut at an angle of 60° or less of θl and θ2 with respect to 6.
そして、上記外径変化部３０とフランジ部３４との間の
工具引掛は部３２には、その一部が外径変化部３０にか
かるように、軸線と並行する平面４２に切削され、この
平面４２と連結してフランジ部３４の一部が傾斜面４４
に切削されている。The tool hook between the outside diameter changing part 30 and the flange part 34 is cut into a plane 42 parallel to the axis so that a part of the tool hook part 32 covers the outside diameter changing part 30, and this plane 42 and a part of the flange portion 34 forms an inclined surface 44.
It has been cut into.
そして、本実施例では、この切削された平面４２及び傾
斜面４４を２面設けた場合が示されている。In this embodiment, a case is shown in which two planes 42 and two inclined surfaces 44 are provided.
上記構成のホーン１２を適用した眼科用超音波手術器は
、ホーン１２の外形変化部３０及びフランジ部３４など
の異径部が超音波振動の振動方向４６に対してθ１．θ
２を６０°以下の傾斜角度に形成しであるため、前述し
た灌流液供給通路２２に供給された灌流液２０は、スム
ーズに先端の流出口に向かって流れ、これにより、キャ
ビテーションの発生が少なく、気泡の発生を低減するこ
とができる。An ophthalmological ultrasonic surgical instrument to which the horn 12 having the above configuration is applied has different diameter portions such as the outer shape changing portion 30 and the flange portion 34 of the horn 12 at an angle of θ1 with respect to the vibration direction 46 of the ultrasonic vibration. θ
2 is formed at an inclination angle of 60 degrees or less, the irrigation fluid 20 supplied to the irrigation fluid supply passage 22 described above flows smoothly toward the outlet at the tip, thereby reducing the occurrence of cavitation. , the generation of bubbles can be reduced.
第３図は、この発明の第２実施例であり、ホーン１２の
外径変化部３０は、振動方向４６に対してθ１の６０″
以下の角度に切削された傾斜面３８に形成されている。FIG. 3 shows a second embodiment of the present invention, in which the outer diameter changing portion 30 of the horn 12 is 60″ of θ1 with respect to the vibration direction 46.
It is formed on an inclined surface 38 cut at the following angle.
そして、前記第１実施例では工具引掛は部３２とフラン
ジ部３４とを異なる径として構成されていたが、第２実
施例では、この工具引掛は部３２とフランジ部３４とを
同径に一体構成としたもので、ホーン１２の外周面の異
径部すなわち、フランジの突出部が少なくなり、前記灌
流液供給通路２２を灌流液２０が流れやすくなる。この
ため、キャビテーションの発生がより少なくなり、気泡
の発生もより低減することができる。In the first embodiment, the tool hook is configured so that the portion 32 and the flange portion 34 have different diameters, but in the second embodiment, the tool hook has the portion 32 and the flange portion 34 integrated with the same diameter. With this configuration, the different diameter portion of the outer peripheral surface of the horn 12, that is, the protruding portion of the flange is reduced, and the irrigation fluid 20 can easily flow through the irrigation fluid supply passage 22. Therefore, the occurrence of cavitation can be further reduced, and the generation of bubbles can also be further reduced.
なお、図中には、−例として切削された平面４２及び形
斜面４４を４面設けた場合が示されている。The figure shows, as an example, a case in which four cut planes 42 and four shaped slopes 44 are provided.
Ｃ発明の効果コ
以上のようにして、この発明の眼科用超音波手術器によ
れば、ホーンの異径部を超音波振動の振動方向に対し６
０°以下の角度に切削された傾斜面としたので、このホ
ーン及び伝達管と外筒及び保護管との間に形成される灌
流液通路内は、灌流液の流れを乱すような個所が少なく
なり、気泡（キャビテーション）の発生が少なくなる。C Effects of the Invention C As described above, according to the ophthalmological ultrasonic surgical instrument of the present invention, the different diameter portion of the horn is adjusted to 6° in the vibration direction of the ultrasonic vibration.
Since the sloped surface is cut at an angle of 0° or less, there are few places in the irrigation fluid passage formed between the horn and transmission tube and the outer cylinder and protection tube that would disturb the flow of irrigation fluid. This reduces the occurrence of bubbles (cavitation).
このため、患部の眼球前房内に流入する気泡が減少し、
顕微鏡を使用して手術を行う手術者にとって、患部の視
野が明瞭となり、手術の時間短縮及び正確さが向上する
という効果が得られる。For this reason, the number of air bubbles flowing into the anterior chamber of the affected eyeball is reduced,
For the surgeon who performs the surgery using a microscope, the field of view of the affected area becomes clearer, and the effect of shortening the time and improving the accuracy of the surgery can be obtained.
第１図は眼科用超音波手術器に適用するこの発明の一実
施例によるホーンを示す側面図、第２図はこのホーンの
外観斜視図、
第３図はホーンの他の実施例を示す側面図、第４図は眼
科用超音波手術器を示す断面図、第５図はこの眼科用超
音波手術器に適用される従来のホーンの側面図である。
０
２
４
６
８
０
２
４
０
２
振動子
ホーン
伝達管
灌流液吸引通路
保護管
灌流液
灌流液供給通路
外筒
外径変化部
工具引掛は段差部。Fig. 1 is a side view showing a horn according to one embodiment of the present invention applied to an ophthalmic ultrasonic surgical instrument, Fig. 2 is an external perspective view of this horn, and Fig. 3 is a side view showing another embodiment of the horn. 4 is a sectional view showing an ophthalmic ultrasonic surgical instrument, and FIG. 5 is a side view of a conventional horn applied to this ophthalmic ultrasonic surgical instrument. 0 2 4 6 8 0 2 4 0 2 Vibrator horn transmission tube Irrigation liquid suction passage Protection tube Irrigation liquid Irrigation liquid supply passage Outer cylinder outer diameter changing part Tool hook is at the stepped part.
Claims (1)
と一体に形成され、該振動子により発生した超音波振動
を伝達する伝達管と、 前記伝達管と接続され患部組織に当接して該患部を破砕
するホーンと、 前記ホーン及び前記伝達管を包囲する保護管と、前記ホ
ーン及び伝達管と前記保護管との間に灌流液を流す灌流
液通路と、 を有し、 患部に灌流液を供給して患部組織を破砕・吸引する眼科
用超音波手術器において、 前記伝達管とホーンとの連結部を超音波振動の振動方向
に対して６０゜以下となる外径形状とし、該連結部で発
生する灌流液中のキャビテーションを防止したことを特
徴とする眼科用超音波手術器。[Scope of Claims] A transducer that converts an electric signal into ultrasonic vibrations, a transmission tube formed integrally with the transducer and transmitting the ultrasonic vibrations generated by the transducer, and connected to the transmission tube. a horn that comes into contact with the affected tissue to crush the affected tissue; a protective tube that surrounds the horn and the transmission tube; and an irrigation fluid passageway that allows irrigation fluid to flow between the horn and the transmission tube and the protective tube. In an ophthalmological ultrasonic surgical instrument that supplies irrigation fluid to the affected area to crush and suction the affected tissue, the connecting portion between the transmission tube and the horn is at an angle of 60° or less with respect to the vibration direction of the ultrasonic vibration. An ophthalmic ultrasonic surgical instrument characterized by having an outer diameter shape to prevent cavitation in the irrigation fluid generated at the connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1265515A JPH03126452A (en) | 1989-10-11 | 1989-10-11 | Ultrasonic surgical operation device for ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1265515A JPH03126452A (en) | 1989-10-11 | 1989-10-11 | Ultrasonic surgical operation device for ophthalmology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03126452A true JPH03126452A (en) | 1991-05-29 |
| JPH0513663B2 JPH0513663B2 (en) | 1993-02-23 |
Family
ID=17418228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1265515A Granted JPH03126452A (en) | 1989-10-11 | 1989-10-11 | Ultrasonic surgical operation device for ophthalmology |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03126452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000300575A (en) * | 1999-04-26 | 2000-10-31 | Aloka Co Ltd | Hand piece and manufacture thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956826A (en) * | 1974-03-19 | 1976-05-18 | Cavitron Corporation | Ultrasonic device and method |
| JPS5293A (en) * | 1975-06-13 | 1977-01-05 | Fibra Sonics | Supersonic medical apparatus |
| JPS60132708U (en) * | 1984-02-17 | 1985-09-04 | 持田製薬株式会社 | Tip fixing device for ultrasonic scalpel |
| JPS6282955A (en) * | 1985-09-16 | 1987-04-16 | サイト・マイクロサ−ジカル・システムズ・インコ−ポレイテツド | Mount adaptor for suction |
| JPS63197444A (en) * | 1987-02-13 | 1988-08-16 | オリンパス光学工業株式会社 | Ultrasonic treatment jig for endoscope |
| JPS63212340A (en) * | 1986-10-29 | 1988-09-05 | 住友ベークライト株式会社 | Handpiece |
| JPH01198540A (en) * | 1987-12-24 | 1989-08-10 | Sumitomo Bakelite Co Ltd | Excretory treatment apparatus |
-
1989
- 1989-10-11 JP JP1265515A patent/JPH03126452A/en active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956826A (en) * | 1974-03-19 | 1976-05-18 | Cavitron Corporation | Ultrasonic device and method |
| JPS5293A (en) * | 1975-06-13 | 1977-01-05 | Fibra Sonics | Supersonic medical apparatus |
| JPS60132708U (en) * | 1984-02-17 | 1985-09-04 | 持田製薬株式会社 | Tip fixing device for ultrasonic scalpel |
| JPS6282955A (en) * | 1985-09-16 | 1987-04-16 | サイト・マイクロサ−ジカル・システムズ・インコ−ポレイテツド | Mount adaptor for suction |
| JPS63212340A (en) * | 1986-10-29 | 1988-09-05 | 住友ベークライト株式会社 | Handpiece |
| JPS63197444A (en) * | 1987-02-13 | 1988-08-16 | オリンパス光学工業株式会社 | Ultrasonic treatment jig for endoscope |
| JPH01198540A (en) * | 1987-12-24 | 1989-08-10 | Sumitomo Bakelite Co Ltd | Excretory treatment apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000300575A (en) * | 1999-04-26 | 2000-10-31 | Aloka Co Ltd | Hand piece and manufacture thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513663B2 (en) | 1993-02-23 |
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