JPH07111997A - Ultrasonic suction tool - Google Patents
Ultrasonic suction toolInfo
- Publication number
- JPH07111997A JPH07111997A JP5260016A JP26001693A JPH07111997A JP H07111997 A JPH07111997 A JP H07111997A JP 5260016 A JP5260016 A JP 5260016A JP 26001693 A JP26001693 A JP 26001693A JP H07111997 A JPH07111997 A JP H07111997A
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- vibration
- oscillation
- horn
- twisting
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 claims description 35
- 230000001902 propagating effect Effects 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 abstract description 4
- 230000010355 oscillation Effects 0.000 abstract 17
- 210000001519 tissue Anatomy 0.000 description 16
- 230000000644 propagated effect Effects 0.000 description 6
- 239000004575 stone Substances 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 3
- 210000000695 crystalline len Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320098—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with transverse or torsional motion
Landscapes
- Surgical Instruments (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は例えば結石の破壊除去、
水晶体の乳化吸引、腫瘍の摘出など、外科医療の現場に
おいて、広く一般的に用いられる超音波吸引器に関す
る。BACKGROUND OF THE INVENTION The present invention relates to the destructive removal of stones,
The present invention relates to an ultrasonic aspirator that is widely and commonly used in the field of surgical medical treatment, such as emulsification and suction of a crystalline lens and removal of a tumor.
【０００２】[0002]
【従来の技術】一般に、超音波吸引器には超音波振動を
発生させる超音波振動素子部と、超音波振動の振幅を拡
大伝播するホーンと、このホーンで振幅を拡大した超音
波振動を術部に伝える超音波伝達部材とが一体的に連結
されて超音波振動子が形成されている。この超音波振動
子はカバーで覆われ、ハンドピースが形成されている。
さらに、超音波振動子の軸心部には超音波伝達部材によ
って破砕、乳化された組織を吸引する吸引路が形成され
ている。2. Description of the Related Art Generally, an ultrasonic aspirator has an ultrasonic vibrating element portion for generating ultrasonic vibration, a horn for expanding and propagating the amplitude of ultrasonic vibration, and an ultrasonic vibration for expanding the amplitude by this horn. An ultrasonic transducer is formed by integrally connecting with an ultrasonic transmission member that is transmitted to the section. This ultrasonic transducer is covered with a cover to form a handpiece.
Further, a suction path for sucking the tissue crushed and emulsified by the ultrasonic transmission member is formed at the axial center of the ultrasonic transducer.
【０００３】そして、超音波吸引器の使用時には超音波
振動素子部で発生させた軸方向の超音波縦振動をホーン
で増幅させた状態で、超音波伝達部材に伝達し、この超
音波伝達部材の先端を破砕したい患部組織や、結石など
にあてる。これにより、超音波伝達部材を通して患部組
織などに超音波振動を与え、その振動エネルギによって
目的の患部組織や、結石などを破砕、乳化する。このと
き、破砕、あるいは乳化された組織は超音波伝達部材に
設けられた吸引路を通って術部より吸引、除去される。When the ultrasonic aspirator is used, the longitudinal ultrasonic vibration in the axial direction generated in the ultrasonic vibrating element is transmitted to the ultrasonic transmitting member in the state of being amplified by the horn, and this ultrasonic transmitting member is used. Apply it to the affected tissue or stone that you want to crush. As a result, ultrasonic vibrations are applied to the affected tissue through the ultrasonic transmission member, and the vibration energy crushes and emulsifies the target affected tissue, stones, and the like. At this time, the crushed or emulsified tissue is suctioned and removed from the surgical site through the suction passage provided in the ultrasonic transmission member.
【０００４】また、この種の超音波吸引器として例えば
特開昭６３−２９０５５７号公報に開示されているよう
に硬質な患部組織に対応するために患部組織などに与え
る振動エネルギを大きくする目的で、ハンドピース内に
超音波振動素子部を直列に複数並設させた構成のものが
提案されている。Further, as disclosed in, for example, Japanese Patent Laid-Open No. 63-290557, an ultrasonic aspirator of this type is used for the purpose of increasing vibrational energy applied to a diseased tissue in order to deal with a hard diseased tissue. There has been proposed a structure in which a plurality of ultrasonic transducer elements are arranged in series in a handpiece.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、従来の
超音波吸引器では超音波振動素子部から発生される単一
の弾性縦振動を利用しているので、単に振動の振幅を大
きくしただけでは、骨や、硬い結石などの硬質な患部組
織に対しては破砕できない問題がある。However, since the conventional ultrasonic aspirator utilizes the single elastic longitudinal vibration generated from the ultrasonic vibrating element section, simply increasing the amplitude of the vibration causes There is a problem that it is not possible to crush bones and hard affected tissues such as hard stones.
【０００６】また、ハンドピース内に複数の超音波振動
素子部を装備したものでは超音波振動素子部と同じ数だ
けの電源装置が必要となるので、電源部が大型化し、電
力消費も増える問題がある。Further, in the case where the handpiece is equipped with a plurality of ultrasonic vibrating element parts, the same number of power supply devices as the ultrasonic vibrating element parts are required, so that the power source part becomes large and power consumption increases. There is.
【０００７】本発明は上記事情に着目してなされたもの
で、その目的は、駆動時の破壊力を増し、硬質な患部組
織でも確実に破砕させることができ、手術時間の短縮を
図ることができるとともに、構成の簡略化を図ることが
できる超音波吸引器を提供することにある。The present invention has been made in view of the above circumstances, and an object thereof is to increase the destructive force at the time of driving so that even hard tissue can be crushed without fail, and the operation time can be shortened. Another object of the present invention is to provide an ultrasonic aspirator that can achieve the simplification of the configuration.
【０００８】[0008]
【課題を解決するための手段】本発明は超音波振動を発
生させる超音波振動素子部と、超音波振動の振幅を拡大
伝播するホーンと、このホーンで振幅を拡大した超音波
振動を術部に伝える超音波伝達部材と、この超音波伝達
部材によって破砕、乳化された組織を吸引する吸引路と
を備えた超音波吸引器において、前記超音波伝達部材に
縦振動と同時にねじり振動を発生させるねじり結合子を
前記超音波振動素子部から前記超音波伝達部材にいたる
振動伝達系の間に配設したものである。According to the present invention, there is provided an ultrasonic vibration element section for generating ultrasonic vibration, a horn for expanding and propagating the amplitude of ultrasonic vibration, and an ultrasonic vibration for expanding the amplitude by this horn. In an ultrasonic aspirator provided with an ultrasonic transmission member that transmits to the ultrasonic transmission member and a suction path that sucks the tissue crushed and emulsified by the ultrasonic transmission member, the ultrasonic transmission member generates a longitudinal vibration and a torsional vibration at the same time. A torsional connector is arranged between a vibration transmission system from the ultrasonic vibration element section to the ultrasonic transmission member.
【０００９】[0009]
【作用】超音波振動素子部の駆動時には超音波振動素子
部で発生した超音波縦振動の一部をねじり結合子によっ
てさらにねじり振動に変換させ、この超音波縦振動、ね
じり振動を超音波伝達部材に伝播させることにより、超
音波伝達部材の先端にねじり振動と、縦振動とを同時に
発生させるようにしたものである。[Operation] When the ultrasonic vibration element unit is driven, a part of the ultrasonic longitudinal vibration generated in the ultrasonic vibration element unit is further converted into the torsional vibration by the torsion coupler, and the ultrasonic longitudinal vibration and the torsional vibration are transmitted by the ultrasonic wave. By propagating to the member, torsional vibration and longitudinal vibration are simultaneously generated at the tip of the ultrasonic transmission member.
【００１０】[0010]
【実施例】以下、本発明の第１の実施例を図１乃至図５
を参照して説明する。図１は超音波吸引器１のハンドピ
ースに内蔵された超音波振動子の要部構成を示すもので
ある。図１中で、２は超音波振動子の超音波振動素子
部、３はホーン、４は超音波伝達部材である。この場
合、超音波振動子の駆動時には超音波振動素子部２にお
いて電気エネルギが機械的振動エネルギに変換され、超
音波縦振動として取り出される。そして、超音波振動素
子部２の前方に配設されたホーン３によって超音波縦振
動の振動振幅が拡大されて超音波伝達部材４側に伝達さ
れるようになっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
Will be described with reference to. FIG. 1 shows a main configuration of an ultrasonic vibrator incorporated in a handpiece of the ultrasonic aspirator 1. In FIG. 1, reference numeral 2 is an ultrasonic vibration element portion of an ultrasonic vibrator, 3 is a horn, and 4 is an ultrasonic transmission member. In this case, at the time of driving the ultrasonic vibrator, electric energy is converted into mechanical vibration energy in the ultrasonic vibration element portion 2 and is extracted as ultrasonic longitudinal vibration. Then, the vibration amplitude of the ultrasonic longitudinal vibration is expanded by the horn 3 arranged in front of the ultrasonic vibration element portion 2 and transmitted to the ultrasonic transmission member 4 side.
【００１１】さらに、超音波振動素子部２から超音波伝
達部材４にいたる振動伝達系の間、例えば超音波振動素
子部２とホーン３との間には超音波縦振動を中心軸に対
するねじり振動に変換するねじり結合子５が挟み込まれ
ており、このねじり結合子５によって超音波伝達部材４
に縦振動と同時にねじり振動を発生させるようになって
いる。Further, between the ultrasonic vibration element section 2 and the ultrasonic transmission member 4, a longitudinal ultrasonic vibration is generated between the ultrasonic vibration element section 2 and the horn 3, for example, between the ultrasonic vibration element section 2 and the horn 3. The torsion connector 5 for converting into the ultrasonic wave is sandwiched by the torsion connector 5 and the ultrasonic wave transmitting member 4
The vertical vibration and the torsional vibration are generated at the same time.
【００１２】また、超音波吸引器の超音波振動子は図３
（Ａ）に示す構成になっている。すなわち、ホーン３、
ねじり結合子５、超音波振動素子部２の中心軸上には締
結用の一本のボルト６が貫通されている。このボルト６
の両端部の外周面には雄ねじ部６ａ，６ｂがそれぞれ形
成されている。そして、このボルト６の先端部側の雄ね
じ部６ａはホーン３のねじ穴３ａに螺着されている。さ
らに、このボルト６の基端部側の雄ねじ部６ｂにはナッ
ト７が締め付け固定されている。そして、このボルト６
およびナット７によってホーン３、ねじり結合子５、超
音波振動素子部２が軸方向に圧縮される状態で締め付け
固定され、一体化されている。The ultrasonic vibrator of the ultrasonic suction device is shown in FIG.
It has the configuration shown in FIG. That is, the horn 3,
A single fastening bolt 6 is passed through the central axes of the torsional connector 5 and the ultrasonic vibration element portion 2. This bolt 6
Male screw portions 6a and 6b are formed on the outer peripheral surfaces of both ends of the. The male screw portion 6a on the tip end side of the bolt 6 is screwed into the screw hole 3a of the horn 3. Further, a nut 7 is fastened and fixed to the male screw portion 6b on the base end side of the bolt 6. And this bolt 6
The nut 3, the horn 3, the torsional connector 5, and the ultrasonic vibration element portion 2 are tightened and fixed in an axially compressed state to be integrated.
【００１３】また、超音波振動素子部２には複数の圧電
素子８…と電極９…とが配設されている。これらの圧電
素子８…と電極９…とは交互に貼り合わされ、これらの
両側にそれぞれ配設された前後一対の慣性バランス１０
間にはさみ込まれている。さらに、各圧電素子８および
各電極９の軸心部のボルト貫通孔の内面にはボルト６を
介して各電極９間にリークがないように絶縁材１１が装
着されている。A plurality of piezoelectric elements 8 ... And electrodes 9 ... Are disposed in the ultrasonic vibration element section 2. The piezoelectric elements 8 and the electrodes 9 are alternately laminated, and a pair of front and rear inertia balances 10 are provided on both sides of the piezoelectric elements 8.
It is sandwiched between them. Further, an insulating material 11 is attached to the inner surface of the bolt through hole at the axial center of each piezoelectric element 8 and each electrode 9 via the bolt 6 so that there is no leakage between the electrodes 9.
【００１４】また、ねじり結合子５には図２（Ａ），
（Ｂ）に示すようにベース円板２１の一面側に中心部を
通る略直線状の梁部２２が突設され、他面側に一対の三
日月状の脚部２３，２３が突設されている。この場合、
梁部２２は図３（Ｂ），（Ｃ）に示すようにベース円板
２１の底部における一対の三日月状の脚部２３，２３間
の溝部の対角位置に形成されている。さらに、一対の三
日月状の脚部２３，２３間の溝部の中心位置にはボルト
６が貫通されるボルト貫通孔２４が形成されている。Further, the torsional connector 5 has a structure shown in FIG.
As shown in (B), a substantially linear beam portion 22 passing through the central portion is provided on one surface side of the base disk 21, and a pair of crescent-shaped legs 23, 23 are provided on the other surface side. There is. in this case,
As shown in FIGS. 3B and 3C, the beam portion 22 is formed at a diagonal position of the groove portion between the pair of crescent-shaped leg portions 23, 23 on the bottom portion of the base disk 21. Further, a bolt through hole 24 through which the bolt 6 penetrates is formed at the center position of the groove between the pair of crescent-shaped legs 23.
【００１５】なお、ホーン３の先端部には超音波伝達部
材４が例えばねじ止め等の手段によって結合されてい
る。そして、超音波振動子の駆動時には超音波振動素子
部２で発生した超音波縦振動の一部がねじり結合子５に
よってさらにねじり振動に変換され、この超音波縦振
動、ねじり振動がホーン３で拡大された状態で超音波伝
達部材４に伝播され、超音波伝達部材４の先端にねじり
振動と、縦振動とが同時に発生されるようになってい
る。An ultrasonic transmission member 4 is connected to the tip of the horn 3 by means such as screwing. Then, when the ultrasonic vibrator is driven, a part of the ultrasonic longitudinal vibration generated in the ultrasonic vibration element unit 2 is further converted into torsional vibration by the torsion coupler 5, and the ultrasonic longitudinal vibration and torsional vibration are generated by the horn 3. It is propagated to the ultrasonic transmission member 4 in an enlarged state, and the torsional vibration and the longitudinal vibration are simultaneously generated at the tip of the ultrasonic transmission member 4.
【００１６】また、図１に示すように超音波振動子の駆
動時に発生する超音波縦振動の振動モードＴと、ねじり
振動の振動モードＮとはそれぞれ超音波伝達部材４の先
端で、振動の腹となる定在波となるように超音波振動子
の形状が決定されている。なお、図１中で、Ｓ1 は超音
波振動素子部２の領域、Ｓ2 はねじり結合子５の領域、
Ｓ3 はホーン３の領域、Ｓ4 は超音波伝達部材４の領域
である。Further, as shown in FIG. 1, the vibration mode T of ultrasonic longitudinal vibration and the vibration mode N of torsional vibration generated when the ultrasonic vibrator is driven are respectively generated at the tip of the ultrasonic transmission member 4. The shape of the ultrasonic transducer is determined so that a standing wave serving as an antinode is formed. In FIG. 1, S 1 is a region of the ultrasonic vibration element portion 2, S 2 is a region of the torsional connector 5,
S 3 is an area of the horn 3, and S 4 is an area of the ultrasonic wave transmitting member 4.
【００１７】さらに、超音波振動子の超音波伝達部材
４、ホーン３、ねじり結合子５、超音波振動素子部２の
軸心部には吸引路１２が形成されている。この吸引路１
２の基端部は図示しない吸引ポンプ等を備えた吸引手段
に連結されている。そして、超音波吸引器１の使用時に
は超音波振動子が駆動されるとともに、吸引手段が駆動
され、超音波伝達部材４によって破砕、乳化された組織
がこの超音波伝達部材４の先端開口部に連結された吸引
路１２を介して吸引されるようになっている。Further, a suction passage 12 is formed in the axial center portion of the ultrasonic transmission member 4, the horn 3, the torsional connector 5, and the ultrasonic vibration element portion 2 of the ultrasonic vibrator. This suction path 1
The base end of 2 is connected to a suction means including a suction pump or the like (not shown). Then, when the ultrasonic aspirator 1 is used, the ultrasonic vibrator is driven and the suction means is driven, and the tissue crushed and emulsified by the ultrasonic transmission member 4 enters the tip opening of the ultrasonic transmission member 4. Suction is performed via the connected suction path 12.
【００１８】次に、上記構成の作用について説明する。
まず、超音波吸引器１の使用時にはハンドピース内の超
音波振動子が駆動される。このとき、超音波振動素子部
２に加えられた電気信号はここで超音波縦振動として機
械的エネルギに変換される。さらに、超音波振動素子部
２で発生した超音波縦振動の一部はねじり結合子５によ
ってさらにねじり振動に変換される。Next, the operation of the above configuration will be described.
First, when the ultrasonic aspirator 1 is used, the ultrasonic vibrator inside the handpiece is driven. At this time, the electric signal applied to the ultrasonic vibration element portion 2 is converted into mechanical energy as ultrasonic longitudinal vibration. Further, a part of the ultrasonic longitudinal vibration generated in the ultrasonic vibration element unit 2 is further converted into the torsional vibration by the torsion coupler 5.
【００１９】すなわち、図４（Ａ）に示すように超音波
振動素子部２側からねじり結合子５の一対の三日月状の
脚部２３，２３に縦モードの弾性振動が入力された場合
にはベース円板２１に図４（Ｂ）に示すように撓み振動
が生じ、略はばたき状態の振動（屈曲モードの振動）が
発生する。このとき、ベース円板２１の円周に法線を立
てると三日月状の脚部２３，２３間の溝部の中心線と接
する場所以外の法線は中心線上の法線に対して対称に傾
く。例えば、溝部の縁部と接する円周上の４本の法線は
ベース円板２１の撓み変形につれて左側の２本が右向き
に傾いたときは右側の２本は左向きに傾く。この変形動
作は円板上に円柱を立てて、その円柱にねじり振動を与
えたときの円柱周面の変形と同じである。That is, as shown in FIG. 4A, when elastic vibration in the longitudinal mode is input from the ultrasonic vibration element section 2 side to the pair of crescent-shaped legs 23 of the torsion coupler 5, As shown in FIG. 4 (B), bending vibration occurs in the base disk 21, and vibration in a substantially flapping state (vibration in bending mode) occurs. At this time, when a normal line is set on the circumference of the base disk 21, the normal line other than the position in contact with the center line of the groove between the crescent-shaped legs 23, 23 is inclined symmetrically with respect to the normal line on the center line. For example, the four normals on the circumference that are in contact with the edges of the groove are inclined leftward when the two leftward are inclined rightward as the base disk 21 is flexibly deformed. This deformation operation is the same as the deformation of the circumferential surface of the cylinder when the cylinder is erected on the disk and the torsional vibration is applied to the cylinder.
【００２０】さらに、ベース円板２１に撓み振動が生じ
ると、ベース円板２１上の法線である梁部２２の稜線が
傾き、図４（Ｃ），（Ｄ）に示すように梁部２２の上面
にねじり振動が生じる。以上のようにしてねじり結合子
５によって超音波縦振動の一部が一旦、屈曲モードに変
換された後に、ねじり振動に変換される。Further, when flexural vibration occurs in the base disk 21, the ridgeline of the beam portion 22 which is a normal line on the base disk 21 is inclined, and the beam portion 22 is formed as shown in FIGS. 4 (C) and 4 (D). Torsional vibration occurs on the upper surface of the. As described above, a part of the ultrasonic longitudinal vibration is once converted into the bending mode by the torsion coupler 5, and then converted into the torsional vibration.
【００２１】なお、ねじり結合子５も弾性体であるの
で、縦振動モードの振動も同時に行なわれ、ホーン３に
伝播される。したがって、超音波振動素子部２で発生し
た超音波縦振動の一部はねじり結合子５によってさらに
ねじり振動に変換され、残りは超音波縦振動のままの状
態でホーン３側に伝播される。Since the torsional connector 5 is also an elastic body, the vibration in the longitudinal vibration mode is simultaneously performed and propagated to the horn 3. Therefore, a part of the ultrasonic longitudinal vibration generated in the ultrasonic vibration element portion 2 is further converted into the torsional vibration by the torsion coupler 5, and the rest is propagated to the horn 3 side in the state of the ultrasonic longitudinal vibration.
【００２２】さらに、ホーン３に伝播された超音波縦振
動、ねじり振動はこのホーン３によって振動振幅が拡大
された状態で、超音波振動伝達部材４に伝播される。そ
のため、超音波振動伝達部材４の先端には図５に示すよ
うにねじり振動と、縦振動とが同時に発生しているの
で、この超音波振動伝達部材４の先端を生体組織に当て
ることによって、生体組織に縦、ねじりの振動エネルギ
を伝え、この複合的な振動エネルギによって生体組織を
効率よく破砕、乳化させることができる。Further, the ultrasonic longitudinal vibration and the torsional vibration propagated to the horn 3 are propagated to the ultrasonic vibration transmission member 4 in a state where the vibration amplitude is expanded by the horn 3. Therefore, since the torsional vibration and the longitudinal vibration are simultaneously generated at the tip of the ultrasonic vibration transmitting member 4 as shown in FIG. 5, by applying the tip of the ultrasonic vibration transmitting member 4 to the living tissue, Longitudinal and torsional vibration energy is transmitted to the living tissue, and the combined vibration energy can efficiently crush and emulsify the living tissue.
【００２３】そこで、上記構成のものにあっては超音波
振動素子部２とホーン３との間に、超音波縦振動を中心
軸に対するねじり振動に変換するねじり結合子５を配設
し、超音波振動子の駆動時にはこのねじり結合子５によ
って超音波伝達部材４に縦振動と同時にねじり振動を発
生させるようにしたので、従来の超音波吸引器とは異な
り、超音波振動子の駆動時に縦振動モードだけではな
く、ねじり振動モードをも加えているために破壊エネル
ギが大きく、骨などの硬質な生体組織や、硬い結石など
に対しても容易に破砕、乳化を行うことができる。した
がって、従来の超音波吸引器の適用外であった骨切除な
どの手術に対しても適用することができるので、超音波
吸引器１の適用可能な分野の範囲を広げることができ
る。Therefore, in the structure described above, a torsion coupler 5 for converting ultrasonic longitudinal vibration into torsion vibration about the central axis is provided between the ultrasonic vibration element portion 2 and the horn 3, and When the ultrasonic transducer is driven, the torsional coupling 5 causes the ultrasonic transmission member 4 to generate a longitudinal vibration and a torsional vibration at the same time. Therefore, unlike the conventional ultrasonic aspirator, the longitudinal vibration is generated when the ultrasonic transducer is driven. Since not only the vibration mode but also the torsional vibration mode is added, the breaking energy is large, and it is possible to easily crush and emulsify hard living tissues such as bones and hard stones. Therefore, the ultrasonic aspirator 1 can be applied to a surgical operation such as bone resection, which is not applicable to the conventional ultrasonic aspirator, and the range of applicable fields of the ultrasonic aspirator 1 can be expanded.
【００２４】また、超音波吸引器１の使用中、術者が手
によってハンドピースに力を加えることが不要になるの
で、安全で微細な手術を短時間で行うことができ、術
者、患者双方の負担を低減することができる。Further, since it is unnecessary for the operator to apply force to the handpiece by hand during the use of the ultrasonic aspirator 1, it is possible to perform a safe and fine operation in a short time. The burden on both parties can be reduced.
【００２５】さらに、ハンドピース内に複数の超音波振
動素子部を装備する必要がないので、ハンドピース内に
複数の超音波振動素子部を装備した場合のように電源装
置の数が増えるおそれがなく、電源部の構成を簡略化す
ることができるとともに、電力消費の増加を防止するこ
とができる。Furthermore, since it is not necessary to equip the handpiece with a plurality of ultrasonic vibration element units, there is a risk that the number of power supply devices will increase as in the case where a plurality of ultrasonic vibration element units are provided in the handpiece. In addition, the structure of the power supply unit can be simplified and the increase in power consumption can be prevented.
【００２６】また、図６は本発明の第２の実施例を示す
ものである。図６は超音波治療器３１全体の概略構成を
示すもので、３２は治療器本体、３３はこの治療器本体
３２のハンドピースである。この場合、治療器本体３２
には電源部３４と、超音波振動子３５とが設けられてい
る。この超音波振動子３５には超音波振動素子部３６と
ホーン３７との間に第１の実施例と同様に超音波縦振動
を中心軸に対するねじり振動に変換するねじり結合子５
が挟み込まれている。FIG. 6 shows a second embodiment of the present invention. FIG. 6 shows a schematic configuration of the entire ultrasonic treatment device 31, 32 is a treatment device main body, and 33 is a handpiece of the treatment device main body 32. In this case, the treatment device main body 32
A power supply unit 34 and an ultrasonic transducer 35 are provided in the. In this ultrasonic oscillator 35, the torsional connector 5 for converting the ultrasonic longitudinal vibration into the torsional vibration with respect to the central axis is provided between the ultrasonic vibration element portion 36 and the horn 37 as in the first embodiment.
Is sandwiched between.
【００２７】また、超音波振動子３５のホーン３７先端
には可撓性の振動伝達部材３８の基端部が取付けられて
いる。さらに、この振動伝達部材３８の先端部には患者
Ｈに対して直接作用するプローブ３９が取付けられてい
る。このプローブ３９と振動伝達部材３８との結合部の
周辺部位には術者がこれらを把持できるようにカバーで
覆われ、ハンドピース３３が形成されている。A base end of a flexible vibration transmitting member 38 is attached to the tip of the horn 37 of the ultrasonic oscillator 35. Further, a probe 39 that directly acts on the patient H is attached to the tip of the vibration transmitting member 38. A hand piece 33 is formed on the peripheral portion of the connecting portion between the probe 39 and the vibration transmitting member 38 so as to be covered by a cover so that an operator can hold them.
【００２８】次に、上記構成の作用について説明する。
まず、電源部３４にて発生した交流電圧を超音波振動素
子部３６の圧電素子に印加することによって電気エネル
ギが機械的超音波振動エネルギに変換され、この超音波
振動の振動振幅がホーン１によって増幅される。さら
に、振幅増幅された超音波振動は振動伝達部材３８を介
して治療器本体３２とは離れた位置にあるハンドピース
３３内のプローブ３９に伝播される。術者はハンドピー
ス３３を手に持ち、プローブ３９の先端を患者Ｈの患
部、例えば眼球内の水晶体などに当てることにより、こ
れが超音波エネルギによって破砕される。Next, the operation of the above configuration will be described.
First, by applying an AC voltage generated in the power supply section 34 to the piezoelectric element of the ultrasonic vibration element section 36, electric energy is converted into mechanical ultrasonic vibration energy, and the vibration amplitude of this ultrasonic vibration is converted by the horn 1. Is amplified. Further, the amplitude-amplified ultrasonic vibration is propagated via the vibration transmission member 38 to the probe 39 in the handpiece 33 at a position apart from the treatment device main body 32. The operator holds the handpiece 33 in his hand, and applies the tip of the probe 39 to the affected part of the patient H, for example, the crystalline lens in the eyeball, and this is crushed by ultrasonic energy.
【００２９】そこで、上記構成のものにあっては従来の
超音波治療器とは異なり、超音波振動子３５がハンドピ
ース３３に内蔵されていないので、ハンドピース３３を
軽量にすることができる。そのため、軽量なハンドピー
ス３３の実現によって手術中の術者の負担を低減し、細
かな微妙な操作を行うことができ、手術の安全性を一層
高めることができる。なお、本発明は上記実施例に限定
されるものではなく、本発明の要旨を逸脱しない範囲で
種々変形実施できることは勿論である。Therefore, in the above structure, unlike the conventional ultrasonic therapeutic device, the ultrasonic transducer 35 is not built in the hand piece 33, so that the hand piece 33 can be made lightweight. Therefore, by realizing the lightweight hand piece 33, the burden on the operator during the operation can be reduced, and the delicate operation can be performed, and the safety of the operation can be further enhanced. It should be noted that the present invention is not limited to the above-mentioned embodiments, and it is needless to say that various modifications can be made without departing from the gist of the present invention.
【００３０】[0030]
【発明の効果】本発明によれば超音波伝達部材に縦振動
と同時にねじり振動を発生させるねじり結合子を超音波
振動素子部から超音波伝達部材にいたる振動伝達系の間
に配設したので、駆動時の破壊力を増し、硬質な患部組
織でも確実に破砕させることができ、手術時間の短縮を
図ることができるとともに、構成の簡略化を図ることが
できる。As described above, according to the present invention, the torsional connector which generates the longitudinal vibration and the torsional vibration at the same time is arranged in the ultrasonic transmission member between the ultrasonic transmission element and the ultrasonic transmission member. In addition, the destructive force during driving can be increased, and even hard tissue can be reliably crushed, the operation time can be shortened, and the configuration can be simplified.
【図１】 本発明の第１の実施例の超音波吸引器の要部
の概略構成図。FIG. 1 is a schematic configuration diagram of a main part of an ultrasonic suction device according to a first embodiment of the present invention.
【図２】 ねじり結合子を示すもので、（Ａ）はねじり
結合子を斜め上方から見た斜視図、（Ｂ）はねじり結合
子を斜め下方から見た斜視図。2A and 2B are views showing a torsional connector, in which FIG. 2A is a perspective view of the torsional connector as seen obliquely from above and FIG. 2B is a perspective view of the torsional connector as seen obliquely from below.
【図３】 （Ａ）は超音波振動子の概略構成を示す縦断
面図、（Ｂ）はねじり結合子の平面図、（Ｃ）はねじり
結合子の側面図。3A is a vertical cross-sectional view showing a schematic configuration of an ultrasonic transducer, FIG. 3B is a plan view of a torsional connector, and FIG. 3C is a side view of the torsional connector.
【図４】 ねじり結合子の作用を示すもので、（Ａ）は
ねじり結合子への振動の伝達状態を示す側面図、（Ｂ）
は振動伝達時のねじり結合子の変形状態を示す側面図、
（Ｃ）は同平面図、（Ｄ）は同斜視図。FIG. 4 is a side view showing the action of the torsional connector, (A) showing a state of transmission of vibration to the torsional connector, (B).
Is a side view showing the deformed state of the torsional connector during vibration transmission,
(C) is the same plan view, (D) is the same perspective view.
【図５】 超音波伝達部材の先端の振動状態を示す斜視
図。FIG. 5 is a perspective view showing a vibrating state of the tip of the ultrasonic transmission member.
【図６】 本発明の第２の実施例の超音波治療器の概略
構成図。FIG. 6 is a schematic configuration diagram of an ultrasonic therapeutic device according to a second embodiment of the present invention.
２…超音波振動素子部、３…ホーン、４…超音波伝達部
材、５…ねじり結合子。2 ... Ultrasonic vibration element part, 3 ... Horn, 4 ... Ultrasonic transmission member, 5 ... Torsional coupler.
Claims (1)
部と、超音波振動の振幅を拡大伝播するホーンと、この
ホーンで振幅を拡大した超音波振動を術部に伝える超音
波伝達部材と、この超音波伝達部材によって破砕、乳化
された組織を吸引する吸引路とを備えた超音波吸引器に
おいて、前記超音波伝達部材に縦振動と同時にねじり振
動を発生させるねじり結合子を前記超音波振動素子部か
ら前記超音波伝達部材にいたる振動伝達系の間に配設し
たことを特徴とする超音波吸引器。1. An ultrasonic vibration element section for generating ultrasonic vibration, a horn for expanding and propagating the amplitude of ultrasonic vibration, and an ultrasonic transmitting member for transmitting the ultrasonic vibration whose amplitude is expanded by this horn to a surgical site. In the ultrasonic aspirator provided with a suction path for sucking tissue that has been crushed and emulsified by the ultrasonic transmission member, a torsion connector that generates torsional vibration at the same time as longitudinal vibration is generated in the ultrasonic transmission member. An ultrasonic aspirator, characterized in that it is disposed between a vibration transmission system from a vibration element portion to the ultrasonic transmission member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5260016A JPH07111997A (en) | 1993-10-18 | 1993-10-18 | Ultrasonic suction tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5260016A JPH07111997A (en) | 1993-10-18 | 1993-10-18 | Ultrasonic suction tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07111997A true JPH07111997A (en) | 1995-05-02 |
Family
ID=17342140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5260016A Withdrawn JPH07111997A (en) | 1993-10-18 | 1993-10-18 | Ultrasonic suction tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07111997A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003043748A1 (en) * | 2001-11-20 | 2003-05-30 | Japan Science And Technology Agency | Heat-induced pressure wave generator |
| JP2004197940A (en) * | 2002-12-13 | 2004-07-15 | Hilti Ag | Ultrasonic wave transmission joint construction |
| JP2010082287A (en) * | 2008-09-30 | 2010-04-15 | Nidek Co Ltd | Ultrasonic operation apparatus |
| JP2021522045A (en) * | 2018-04-26 | 2021-08-30 | メクトロン・ソチエタ・ペル・アツィオーニＭｅｃｔｒｏｎ Ｓ．Ｐ．Ａ． | Ultrasonic system |
| KR20220072264A (en) * | 2020-11-25 | 2022-06-02 | 한국항공우주연구원 | Horn for ultrasonic wave device and calibration method using thereof |
-
1993
- 1993-10-18 JP JP5260016A patent/JPH07111997A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003043748A1 (en) * | 2001-11-20 | 2003-05-30 | Japan Science And Technology Agency | Heat-induced pressure wave generator |
| JP2004197940A (en) * | 2002-12-13 | 2004-07-15 | Hilti Ag | Ultrasonic wave transmission joint construction |
| JP2010082287A (en) * | 2008-09-30 | 2010-04-15 | Nidek Co Ltd | Ultrasonic operation apparatus |
| JP2021522045A (en) * | 2018-04-26 | 2021-08-30 | メクトロン・ソチエタ・ペル・アツィオーニＭｅｃｔｒｏｎ Ｓ．Ｐ．Ａ． | Ultrasonic system |
| KR20220072264A (en) * | 2020-11-25 | 2022-06-02 | 한국항공우주연구원 | Horn for ultrasonic wave device and calibration method using thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
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