JP2003126104A - Ultrasonic incision apparatus - Google Patents
Ultrasonic incision apparatusInfo
- Publication number
- JP2003126104A JP2003126104A JP2001325321A JP2001325321A JP2003126104A JP 2003126104 A JP2003126104 A JP 2003126104A JP 2001325321 A JP2001325321 A JP 2001325321A JP 2001325321 A JP2001325321 A JP 2001325321A JP 2003126104 A JP2003126104 A JP 2003126104A
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- rotary blade
- motor
- handpiece
- cutter
- 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- Withdrawn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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、外科医療分野にお
いて、広く一般的に用いられる超音波切開装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic cutting device which is widely and generally used in the field of surgical treatment.
【０００２】[0002]
【従来の技術】一般に、切開装置は、回転刃を有するカ
ッター部と、前記回転刃を回転させるモータを有するハ
ンドピースとを連結することにより形成されている。2. Description of the Related Art Generally, a cutting device is formed by connecting a cutter portion having a rotary blade and a handpiece having a motor for rotating the rotary blade.
【０００３】一方、超音波切開装置は、回転刃を有する
カッター部と、超音波振動を発生させる振動子と前記回
転刃を回転させるとともに前記振動子を駆動させるモー
タとを有するハンドピースとを連結することにより形成
されている。On the other hand, the ultrasonic cutting device connects a cutter unit having a rotary blade, a handpiece having a vibrator for generating ultrasonic vibration and a motor for rotating the rotary blade and driving the vibrator. It is formed by doing.
【０００４】この超音波切開装置は、切開装置の回転刃
の先端に超音波振動を付与する目的で形成されたもので
あり、この超音波切開装置の使用時には、回転刃を回転
させるとともに、振動子を駆動して前記回転刃の先端に
超音波振動を付与し、この回転刃の先端で患部を切開す
る。This ultrasonic cutting device is formed for the purpose of applying ultrasonic vibration to the tip of the rotary blade of the cutting device. When the ultrasonic cutting device is used, the rotary blade is rotated and vibrated. The child is driven to apply ultrasonic vibration to the tip of the rotary blade, and the affected area is incised with the tip of the rotary blade.
【０００５】また、この種の従来の超音波切開装置のハ
ンドピースに用いられる装置としては、実開昭６０−３
３３１０号公報に開示されているように、先端を回転さ
せるとともに振動子を駆動させるモータに振動子を一体
的に接続し、先端に長手方向の縦振動を付与する構成の
装置が提案されている。Further, as a device used for a handpiece of this type of conventional ultrasonic cutting device, there is an actual open sho 60-3.
As disclosed in Japanese Patent No. 3310, there is proposed a device having a structure in which a vibrator is integrally connected to a motor for rotating the tip and driving the vibrator, and longitudinal vibration in the longitudinal direction is applied to the tip. .
【０００６】[0006]
【発明が解決しようとする課題】しかし、実開昭６０−
３３３１０号公報に開示されている装置は、上述のよう
に、モータに振動子を一体的に接続したものであるた
め、既存の切開装置のハンドピースに用いられる装置と
は異なる。したがって、超音波切開装置のハンドピース
として既存の切開装置のハンドピースを流用することは
できず、回転刃の先端に超音波振動を付与するために
は、新規に超音波切開装置一式を導入しなければなら
ず、不経済である。[Problems to be Solved by the Invention]
As described above, the device disclosed in Japanese Patent No. 33310 is different from the device used for the handpiece of the existing incision device because the vibrator is integrally connected to the motor. Therefore, the handpiece of the existing incision device cannot be diverted as the handpiece of the ultrasonic incision device, and in order to impart ultrasonic vibration to the tip of the rotary blade, a new set of ultrasonic incision device is introduced. It must be uneconomical.
【０００７】この発明は、既存の切開装置のハンドピー
スを流用することができ、経済的な超音波切開装置を提
供することを目的としたものである。An object of the present invention is to provide an economical ultrasonic incision device which can use the handpiece of the existing incision device.
【０００８】[0008]
【課題を解決するための手段】この発明の超音波切開装
置は、回転刃と超音波振動を発生させる振動子とを有す
るカッター部と、前記回転刃を回転させるとともに前記
振動子を駆動させるモータとこのモータの出力軸とを有
するハンドピースとを備えており、前記カッター部の基
端と前記ハンドピースのモータの出力軸とが着脱自在に
連結されていることを特徴とするものである。SUMMARY OF THE INVENTION An ultrasonic cutting device according to the present invention is a motor having a cutter portion having a rotary blade and a vibrator for generating ultrasonic vibration, and a motor for rotating the rotary blade and driving the vibrator. And a handpiece having an output shaft of the motor, and the base end of the cutter portion and the output shaft of the motor of the handpiece are detachably connected.
【０００９】この発明の超音波切開装置によれば、振動
子がカッター部に設けられており、カッター部の基端と
ハンドピースのモータの出力軸とが着脱自在に連結され
ているため、既存の切開装置のハンドピースを流用する
ことができる。According to the ultrasonic cutting device of the present invention, since the vibrator is provided in the cutter part and the base end of the cutter part and the output shaft of the motor of the handpiece are detachably connected, it is possible to use the existing device. The handpiece of the incision device can be used.
【００１０】また、この発明の他の超音波切開装置は、
回転刃を有するカッター部と、超音波振動を発生させる
振動子を有する振動子ユニットと、前記回転刃を回転さ
せるととともに前記振動子を駆動させるモータとこのモ
ータの出力軸とを有するハンドピースとを備えており、
前記カッター部の基端と前記振動子ユニットの振動子の
出力側端部とが着脱自在に連結されているとともに、前
記振動子ユニットの振動子の入力側端部と前記ハンドピ
ースのモータの出力軸とが着脱自在に連結されているこ
とを特徴とするものである。Another ultrasonic cutting device of the present invention is
A handpiece having a cutter unit having a rotary blade, a vibrator unit having a vibrator for generating ultrasonic vibration, a motor for driving the vibrator while rotating the rotary blade, and a handpiece having an output shaft of the motor. Is equipped with
The base end of the cutter section and the output side end of the vibrator of the vibrator unit are detachably connected, and the input side end of the vibrator of the vibrator unit and the output of the handpiece motor are connected. The shaft is detachably connected to the shaft.
【００１１】この発明の他の超音波切開装置によれば、
振動子がカッター部およびハンドピースの双方から独立
した振動子ユニットに設けられており、カッター部の基
端と振動子ユニットの振動子の出力側端部とが着脱自在
に連結されているとともに、振動子ユニットの振動子の
入力側端部とハンドピースのモータの出力軸とが着脱自
在に連結されているため、既存の切開装置のハンドピー
ス流用することができる。According to another ultrasonic cutting device of the present invention,
The vibrator is provided in the vibrator unit independent of both the cutter unit and the handpiece, and the base end of the cutter unit and the output side end of the vibrator of the vibrator unit are detachably connected, Since the input side end of the vibrator of the vibrator unit and the output shaft of the handpiece motor are detachably connected, the handpiece of the existing incision device can be used.
【００１２】[0012]
【発明の実施の形態】図１はこの発明の第１の実施形態
を示す超音波切開装置の全体を示す断面図である。1 is a sectional view showing an entire ultrasonic cutting device according to a first embodiment of the present invention.
【００１３】この実施形態の超音波切開装置１ａは、回
転刃の先端に長手方向に対するねじり振動を付与するも
のであり、回転刃１１と超音波振動を発生させる振動子
１２とを有するカッター部１０と、前記回転刃１１を回
転させるとともに前記振動子１２を駆動させるモータ３
１とこのモータの出力軸３２とを有するハンドピース３
０とから構成されている。The ultrasonic cutting device 1a of this embodiment applies a torsional vibration in the longitudinal direction to the tip of the rotary blade, and has a cutter portion 10 having a rotary blade 11 and a vibrator 12 for generating ultrasonic vibration. And a motor 3 for rotating the rotary blade 11 and driving the vibrator 12
1 and a handpiece 3 having an output shaft 32 of this motor
It is composed of 0 and 0.
【００１４】まず、カッター部１０について説明する。
前記カッター部１０の回転刃１１は、患部を切開するの
に十分な長さに形成されており、その内部には、長手方
向の軸に沿った管路が形成されている。また、その外周
は、前記回転刃１１の長手方向の軸と同軸のシース１３
で覆われている。そして、前記回転刃１１の先端には内
刃１４が設けられており、前記シース１３の先端には外
刃１５が設けられている。First, the cutter section 10 will be described.
The rotary blade 11 of the cutter unit 10 is formed to have a length sufficient to incise the affected area, and a pipe line is formed inside the rotary blade 11 along the longitudinal axis. The outer circumference of the sheath 13 is coaxial with the longitudinal axis of the rotary blade 11.
Is covered with. An inner blade 14 is provided at the tip of the rotary blade 11, and an outer blade 15 is provided at the tip of the sheath 13.
【００１５】また、前記シース１３の基端にはケーシン
グ１６が設けられており、このケーシング１６の内部に
は振動子１２が収容されている。前記振動子１２はねじ
り振動を発生させる振動子、例えば２つの金属ブロック
の間に複数の圧電素子１２ａを積層させたボルト締めラ
ンジュバン型ねじり振動子であり、その内部には、長手
方向の軸に沿った管路が形成されている。また、この振
動子１２は、その長手方向の軸が前記回転刃１１の長手
方向の軸と同軸となるように配置されている。なお、前
記回転刃１１と前記振動子１２の出力側端部とは、例え
ばねじ込み接着、ロー付け、溶接などの方法により連結
固定されている。A casing 16 is provided at the proximal end of the sheath 13, and the vibrator 12 is housed inside the casing 16. The vibrator 12 is a vibrator that generates a torsional vibration, for example, a bolted Langevin-type torsional vibrator in which a plurality of piezoelectric elements 12a are stacked between two metal blocks, and the inside thereof has a longitudinal axis. A duct along the line is formed. The vibrator 12 is arranged such that its longitudinal axis is coaxial with the longitudinal axis of the rotary blade 11. The rotary blade 11 and the output side end of the vibrator 12 are connected and fixed by a method such as screwing adhesion, brazing, or welding.
【００１６】また、前記振動子１２の複数の圧電素子１
２ａにそれぞれ設けられた電極（図示せず）は、電極板
１９と振動子１２内部のボルトとを介して電気的に接続
されている。さらに、前記圧電素子１２ａの電極のうち
の一方の電極はそれぞれ第１のスリップリング２０を介
して電線２１と電気的に接続され、他方の電極はそれぞ
れ第２のスリップリング２２を介して電線２３と電気的
に接続されており、これらの電線２１，２３はそれぞれ
前記振動子１２を駆動する振動子コントロールユニット
２と電気的に接続されている。The plurality of piezoelectric elements 1 of the vibrator 12 are also provided.
Electrodes (not shown) provided on the respective 2a are electrically connected via the electrode plate 19 and the bolt inside the vibrator 12. Further, one of the electrodes of the piezoelectric element 12 a is electrically connected to the electric wire 21 via the first slip ring 20, and the other electrode is connected to the electric wire 23 via the second slip ring 22. The electric wires 21 and 23 are electrically connected to the vibrator control unit 2 that drives the vibrator 12, respectively.
【００１７】さらに、前記カッター部１０の基端には、
内部に長手方向の軸に沿った管路が形成されたテーパ部
１７が設けられており、このテーパ部１７には、カッタ
ー部１０の基端とハンドピース３０のモータ３１の出力
軸３２とを着脱自在に連結するためのピン１８が前記回
転刃１１の長手方向の軸と直交するように設けられてい
る。Further, at the base end of the cutter portion 10,
A taper portion 17 having a pipe line formed along an axis in the longitudinal direction is provided inside, and the base end of the cutter portion 10 and the output shaft 32 of the motor 31 of the handpiece 30 are provided in the taper portion 17. A pin 18 for detachably connecting is provided so as to be orthogonal to the longitudinal axis of the rotary blade 11.
【００１８】次に、ハンドピース３０について説明す
る。ハンドピース３０のモータ３１およびその出力軸３
２はケーシング３３の内部に収容されている。また、前
記モータ３１の出力軸３２には、前記回転刃１１に回転
を伝達するための受け部材３４が設けられており、この
受け部材３４は、前記テーパ部１７と嵌合するテーパ穴
（図示せず）と前記テーパ部１７に設けられたピン１８
と嵌合する溝（図示せず）が形成されている。Next, the handpiece 30 will be described. Motor 31 of handpiece 30 and its output shaft 3
2 is housed inside the casing 33. Further, a receiving member 34 for transmitting rotation to the rotary blade 11 is provided on the output shaft 32 of the motor 31, and the receiving member 34 has a tapered hole (FIG. (Not shown) and the pin 18 provided on the tapered portion 17
A groove (not shown) that fits with is formed.
【００１９】前記モータ３１は、電線３５によりモータ
３１を駆動するためのモータコントロールユニット３と
電気的に接続されており、前記モータ３１を駆動するた
めのスイッチ４は、前記振動子コントロールユニット２
と電気的に接続されている。また、振動子コントロール
ユニット２とモータコントロールユニット３とは、スイ
ッチコネクタ（図示せず）と電気的に接続された信号線
５により電気的に接続されている。The motor 31 is electrically connected to the motor control unit 3 for driving the motor 31 by an electric wire 35, and the switch 4 for driving the motor 31 includes the switch 4 for driving the motor 31.
Is electrically connected to. The vibrator control unit 2 and the motor control unit 3 are electrically connected by a signal line 5 electrically connected to a switch connector (not shown).
【００２０】なお、回転刃１１、振動子１２およびテー
パ部１７の内部には、上述のように、それぞれ長手方向
の軸に沿った管路が形成されており、これら管路がそれ
ぞれ連通して、切開された患部組織を吸引する吸引管路
６が形成されている。また、受け部材３４に孔３６が設
けられているとともに、ケーシング３３の内部に管路３
７が形成されており、前記受け部材３４の孔３６は前記
管路３７を介して吸引装置７に連通している。Inside the rotary blade 11, the vibrator 12, and the taper portion 17, as described above, pipes are formed along the longitudinal axis, and these pipes communicate with each other. A suction line 6 for sucking the incised diseased tissue is formed. Further, the receiving member 34 is provided with the hole 36, and the pipe 3 is provided inside the casing 33.
7 is formed, and the hole 36 of the receiving member 34 communicates with the suction device 7 through the pipe line 37.
【００２１】この実施形態の超音波切開装置１ａは、前
記テーパ部１７と前記受け部材３４のテーパ穴とを嵌合
させるとともに、前記テーパ部１７に設けられたピン１
８と前記受け部材３４に形成された溝とを嵌合させるこ
とで、カッター部１０の基端とハンドピース３０のモー
タ３１の出力軸３２とを着脱自在に連結させて使用する
ものである。また、前記吸引管路６と前記吸引装置７と
は、前記テーパ部１７と前記受け部材３４とを嵌合させ
ることで、前記受け部材３４の孔３６および前記管路３
７を介して流体連結する。なお、前記カッター部１０の
ケーシング１６のハンドピース側端部と前記ハンドピー
ス３０のケーシング３３のカッター部側端部にはそれぞ
れネジ１６ａ，３３ａが形成されており、前記ケーシン
グ１６，３３はこれらネジ１６ａ，３３ａにより着脱自
在に連結させる。In the ultrasonic cutting device 1a of this embodiment, the tapered portion 17 is fitted in the tapered hole of the receiving member 34, and the pin 1 provided in the tapered portion 17 is fitted.
The base end of the cutter unit 10 and the output shaft 32 of the motor 31 of the handpiece 30 are detachably connected and used by fitting the groove 8 formed in the receiving member 34 with the base member 8. Further, in the suction pipe line 6 and the suction device 7, by fitting the tapered portion 17 and the receiving member 34, the hole 36 of the receiving member 34 and the pipe line 3 are formed.
Fluidly connected via 7. It should be noted that screws 16a and 33a are formed on the handpiece side end of the casing 16 of the cutter unit 10 and the cutter unit side end of the casing 33 of the handpiece 30, respectively. 16a and 33a connect detachably.
【００２２】また、この実施形態の超音波切開装置１ａ
は、以下のように使用する。まず、スイッチ４をオンに
すると、振動子コントロールユニット２と信号線５とを
介してモータコントロールユニット３がオンになりモー
タ３１が回転する。なお、前記カッター部１０の基端に
設けられたテーパ部１７と前記モータ３１の出力軸３２
に設けられた受け部材３４とが連結しているため、モー
タ３１の回転は回転刃１１に伝達される。また、スイッ
チ４がオンになると、振動子コントロールユニット２は
モータ３１の動作と連動して前記振動子１２が駆動す
る。The ultrasonic cutting device 1a of this embodiment is also used.
Is used as follows. First, when the switch 4 is turned on, the motor control unit 3 is turned on via the vibrator control unit 2 and the signal line 5, and the motor 31 rotates. In addition, the taper portion 17 provided at the base end of the cutter portion 10 and the output shaft 32 of the motor 31.
The rotation of the motor 31 is transmitted to the rotary blade 11 because it is connected to the receiving member 34 provided in the. When the switch 4 is turned on, the vibrator control unit 2 drives the vibrator 12 in conjunction with the operation of the motor 31.
【００２３】このようにすることにより、回転刃１１が
回転するとともに、振動子１２が駆動して回転刃１１の
先端である内刃１４に長手方向に対するねじり振動が付
与される。そして、この回転刃１１の先端に設けられた
内刃１４およびシース１３の先端に設けられた外刃１５
で患部を切開する。なお、このとき、切開された患部組
織は前記吸引装置７を駆動することにより、吸引管路
６、受け部材３４の孔３６および管路３７通って吸引、
除去される。By doing so, the rotary blade 11 rotates, and the vibrator 12 is driven to impart a torsional vibration in the longitudinal direction to the inner blade 14, which is the tip of the rotary blade 11. Then, the inner blade 14 provided at the tip of the rotary blade 11 and the outer blade 15 provided at the tip of the sheath 13
Make an incision in the affected area. At this time, the incised diseased tissue is sucked through the suction pipe 6, the hole 36 of the receiving member 34, and the pipe 37 by driving the suction device 7.
To be removed.
【００２４】この実施形態の超音波切開装置１ａによれ
ば、振動子１２がカッター部１０に設けられており、カ
ッター部１０の基端とハンドピース３０のモータ３１の
出力軸３２とが着脱自在に連結されているため、既存の
切開装置のハンドピースを流用することができる。According to the ultrasonic cutting device 1a of this embodiment, the vibrator 12 is provided in the cutter portion 10, and the base end of the cutter portion 10 and the output shaft 32 of the motor 31 of the handpiece 30 are detachable. The handpiece of the existing incision device can be used because it is connected to.
【００２５】したがって、既存の切開装置のカッター部
を本実施形態の超音波切開装置１ａのカッター部１０に
交換するとともに、前記既存の切開装置に振動子コント
ロールユニット２を追加することにより、新規に超音波
切開装置一式を導入しなくとも、既存の切開装置の回転
刃の先端に超音波ねじり振動を付与することができる。Therefore, by replacing the cutter part of the existing incision device with the cutter part 10 of the ultrasonic incision device 1a of the present embodiment, and adding the transducer control unit 2 to the existing incision device, a new one is newly provided. Ultrasonic torsional vibration can be applied to the tip of the rotary blade of the existing cutting device without introducing a set of ultrasonic cutting devices.
【００２６】図２はこの発明の第２の実施形態を示す超
音波切開装置の全体を示す断面図である。FIG. 2 is a sectional view showing an entire ultrasonic cutting device showing a second embodiment of the present invention.
【００２７】この実施形態の超音波切開装置１ｂは、回
転刃の先端に長手方向に対する曲げ振動を付与するもの
であり、回転刃４１と超音波振動を発生させる振動子４
２とを有するカッター部４０と、前記回転刃４１を回転
させるとともに前記振動子４２を駆動させるモータ３１
とこのモータの出力軸３２とを有するハンドピース３０
とから構成されている。The ultrasonic cutting device 1b of this embodiment applies bending vibration in the longitudinal direction to the tip of the rotary blade, and the rotary blade 41 and the vibrator 4 for generating ultrasonic vibration.
And a motor 31 for rotating the rotary blade 41 and driving the vibrator 42.
And a handpiece 30 having an output shaft 32 of this motor
It consists of and.
【００２８】まず、カッター部４０について説明する。
前記カッター部４０の回転刃４１は、患部を切開するの
に十分な長さに形成されており、その内部には、長手方
向の軸に沿った管路が形成されている。また、その外周
は、回転刃４１の長手方向の軸と同軸のシース４３で覆
われている。そして、前記回転刃４１の先端には内刃４
４が設けられており、前記シース４３の先端には外刃４
５が設けられている。また、この回転刃４１には、振動
子４２を駆動させたときに曲げ振動の節部となる位置に
対応させて複数の軸受け４６が設けられており、これら
複数の軸受け４６が前記シース４３に固定されている。
なお、前記複数の軸受け４６のうちの１つは、回転刃４
１と振動子４２の出力側端部と連結するための接続用軸
受け４７とされている。また、前記シース４３の基端に
はケーシング４８が設けられている。First, the cutter section 40 will be described.
The rotary blade 41 of the cutter unit 40 is formed to have a length sufficient to incise the affected area, and a pipe line is formed inside the rotary blade 41 along the longitudinal axis. The outer periphery of the rotary blade 41 is covered with a sheath 43 coaxial with the longitudinal axis of the rotary blade 41. The inner blade 4 is attached to the tip of the rotary blade 41.
4 is provided, and the outer blade 4 is provided at the tip of the sheath 43.
5 are provided. Further, the rotary blade 41 is provided with a plurality of bearings 46 corresponding to the positions which become the nodes of bending vibration when the vibrator 42 is driven, and the plurality of bearings 46 are provided on the sheath 43. It is fixed.
One of the plurality of bearings 46 is the rotary blade 4
1 and a connecting bearing 47 for connecting the output side end of the vibrator 42. A casing 48 is provided at the base end of the sheath 43.
【００２９】また、前記接続用軸受け４７に対応させて
ケーシング４９が設けられており、このケーシング４９
の内部に振動子４２が収容されている。前記振動子４２
は縦振動を発生させる振動子、例えばボルト締めランジ
ュバン型振動子であり、その軸が前記回転刃４１の長手
方向の軸と直交するように配置されている。なお、前記
回転刃４１と振動子４２の出力側端部とは、前記回転刃
４１の接続用軸受け４７において図示しないネジ等によ
り着脱自在に連結されており、前記ケーシング４８と前
記ケーシング４９ともまた、図示しないネジ等により着
脱自在に連結されている。A casing 49 is provided corresponding to the connecting bearing 47. The casing 49
The vibrator 42 is housed inside. The oscillator 42
Is a vibrator that generates vertical vibration, for example, a bolted Langevin vibrator, and is arranged so that its axis is orthogonal to the axis of the rotary blade 41 in the longitudinal direction. The rotary blade 41 and the output side end of the vibrator 42 are detachably connected to each other by a screw or the like (not shown) in a connecting bearing 47 of the rotary blade 41, and the casing 48 and the casing 49 are also connected to each other. , Are detachably connected by screws (not shown).
【００３０】さらに、前記カッター部４０の基端には、
内部に長手方向の軸に沿った管路が形成されたテーパ−
部５０が設けられており、このテーパ−部５０には、前
記カッター部４０の基端と前記ハンドピース３０のモー
タ３１の出力軸３２とを着脱自在に連結するためのピン
５１が前記回転刃４１の長手方向の軸と直交するように
設けられている。なお、前記テーパ−部５０は前記ハン
ドピース３０に設けられた受け部材３４のテーパ穴と嵌
合するように形成されているとともに、テーパ−部５０
に設けられたピン５１は受け部材３４の溝と嵌合するよ
うに形成されている。Further, at the base end of the cutter section 40,
Taper with a conduit formed along the longitudinal axis inside
A portion 50 is provided, and a pin 51 for detachably connecting the base end of the cutter portion 40 and the output shaft 32 of the motor 31 of the handpiece 30 is provided on the tapered portion 50. It is provided so as to be orthogonal to the longitudinal axis of 41. The taper portion 50 is formed so as to fit into the taper hole of the receiving member 34 provided in the handpiece 30, and the taper portion 50 is formed.
The pin 51 provided on the above is formed so as to fit into the groove of the receiving member 34.
【００３１】また、回転刃４１およびテーパ−部５０の
内部には、上述のように、それぞれ長手方向の軸に沿っ
た管路が形成されており、これら管路がそれぞれ連通し
て、切開された患部組織を吸引する吸引管路６が形成さ
れている。なお、他の構成は上述した第１の実施形態と
同じであるから、重複する説明は図に同符号を付して省
略する。Further, inside the rotary blade 41 and the taper portion 50, as described above, pipelines are formed along the longitudinal axis, respectively, and these pipelines communicate with each other and are cut open. A suction conduit 6 for sucking the affected tissue is formed. Since the other configurations are the same as those of the above-described first embodiment, the duplicate description will be omitted by giving the same reference numerals to the drawings.
【００３２】この実施形態の超音波切開装置１ｂは、前
記テーパ−部５０と前記受け部材３４のテーパ穴とを嵌
合させるとともに、前記テーパ−部５０に設けられたピ
ン５１と前記受け部材３４に形成された溝とを嵌合させ
ることで、カッター部４０の基端とハンドピース３０の
モータ３１の出力軸３２とを着脱自在に連結させて使用
するものである。In the ultrasonic cutting device 1b of this embodiment, the taper portion 50 and the taper hole of the receiving member 34 are fitted together, and the pin 51 provided on the taper portion 50 and the receiving member 34 are provided. The base end of the cutter portion 40 and the output shaft 32 of the motor 31 of the handpiece 30 are detachably connected and used by fitting the groove formed in the.
【００３３】また、前記吸引管路６と吸引装置（図示せ
ず）とは、前記テーパ部５０と前記受け部材３４とを嵌
合させることで、前記受け部材３４の孔３６および前記
管路３７を介して流体連結する。なお、前記カッター部
４０のケーシング４８のハンドピース側端部と前記ハン
ドピース３０のケーシング３３のカッター部側端部には
それぞれネジ４８ａ，３３ａが形成されており、前記ケ
ーシング４８，３３はこれらネジ４８ａ，３３ａにより
着脱自在に連結させる。The suction pipe 6 and the suction device (not shown) are fitted in the tapered portion 50 and the receiving member 34, so that the hole 36 of the receiving member 34 and the pipe 37 are formed. Fluidly connected via. It should be noted that screws 48a and 33a are formed at the handpiece side end of the casing 48 of the cutter section 40 and the cutter side end of the casing 33 of the handpiece 30, respectively. 48a and 33a connect detachably.
【００３４】また、この実施形態の超音波切開装置１ｂ
では、前記カッター部４０の基端に設けられたテーパ−
部５０と前記ハンドピース３０のモータ３１の出力軸３
２に設けられた受け部材３４とが連結しているため、ス
イッチ（図示せず）をオンにしてモータ３１を回転させ
るとモータ３１の回転は回転刃４１に伝達される。ま
た、スイッチがオンになると、振動子コントロールユニ
ット（図示せず）はモータ３１の動作と連動して前記振
動子４２が駆動する。このようにすることにより、前記
回転刃４１が回転するとともに、振動子４２が駆動し
て、前記回転刃４１先端である内刃４４に長手方向の軸
と直交する縦振動、すなわち、長手方向に対する曲げ振
動が付与される。The ultrasonic cutting device 1b of this embodiment is also used.
Then, a taper provided at the base end of the cutter unit 40
Output shaft 3 of the part 50 and the motor 31 of the handpiece 30
Since the receiving member 34 provided on the No. 2 is connected, when the switch (not shown) is turned on to rotate the motor 31, the rotation of the motor 31 is transmitted to the rotary blade 41. When the switch is turned on, a vibrator control unit (not shown) drives the vibrator 42 in conjunction with the operation of the motor 31. By doing so, the rotary blade 41 rotates, and the vibrator 42 drives to cause the inner blade 44, which is the tip of the rotary blade 41, to vibrate vertically, that is, in the longitudinal direction. Bending vibration is applied.
【００３５】この実施形態の超音波切開装置１ｂによれ
ば、振動子４２がカッター部４０に設けられており、カ
ッター部４０の基端とハンドピース３０のモータ３１の
出力軸３２とが着脱自在に連結されているため、既存の
切開装置のハンドピースを流用することができる。According to the ultrasonic cutting device 1b of this embodiment, the vibrator 42 is provided in the cutter portion 40, and the base end of the cutter portion 40 and the output shaft 32 of the motor 31 of the handpiece 30 are detachable. The handpiece of the existing incision device can be used because it is connected to.
【００３６】したがって、既存の切開装置のカッター部
を本実施形態の超音波切開装置１ｂのカッター部４０と
を交換するとともに、前記既存の切開装置に振動子コン
トロールユニットを追加することにより、新規に超音波
切開装置一式を導入しなくとも、既存の切開装置の回転
刃の先端に超音波曲げ振動を付与することができる。Therefore, by replacing the cutter part of the existing incision device with the cutter part 40 of the ultrasonic incision device 1b of this embodiment, and adding a transducer control unit to the existing incision device, a new one is newly provided. Ultrasonic bending vibration can be applied to the tip of the rotary blade of the existing cutting device without introducing a set of ultrasonic cutting devices.
【００３７】さらに、この実施形態の超音波切開装置１
ｂでは、回転刃４１と振動子４２の出力側端部とが着脱
自在に連結されているとともに、ケーシング４８とケー
シング４９とが着脱自在に連結されているため、カッタ
ー部４０からケーシング４９およびこのケーシング４９
に収容された振動子４２が脱着自在であり、したがっ
て、回転刃の先端に超音波振動を付与しない切開装置と
しても使用することができる。Further, the ultrasonic cutting device 1 according to this embodiment.
In b, the rotary blade 41 and the output side end of the vibrator 42 are detachably connected, and the casing 48 and the casing 49 are detachably connected. Casing 49
Since the vibrator 42 housed in is detachable, it can be used also as an incision device that does not apply ultrasonic vibration to the tip of the rotary blade.
【００３８】図３はこの発明の第３の実施形態を示す超
音波切開装置の全体を示す断面図である。FIG. 3 is a sectional view showing an entire ultrasonic cutting device showing a third embodiment of the present invention.
【００３９】この実施形態の超音波切開装置１ｃは、回
転刃の先端に長手方向に対するねじり振動を付与するも
のであり、回転刃６１を有するカッター部６０と、超音
波振動を発生させる振動子７１を有する振動子ユニット
７０と、前記回転刃６１を回転させるととともに前記振
動子７１を駆動させるモータ３１とこのモータ３１の出
力軸３２とを有するハンドピース３０とから構成されて
いる。The ultrasonic cutting device 1c of this embodiment applies a torsional vibration in the longitudinal direction to the tip of the rotary blade, and has a cutter section 60 having a rotary blade 61 and a vibrator 71 for generating ultrasonic vibration. And a handpiece 30 having a motor 31 for rotating the rotary blade 61 and driving the vibrator 71, and an output shaft 32 of the motor 31.
【００４０】まず、カッター部６０について説明する。
前記カッター部６０の回転刃６１は、患部を切開するの
に十分な長さに形成されており、内部には、長手方向の
軸に沿った管路が形成されている。また、その外周は、
回転刃６１の長手方向の軸と同軸のシース６２で覆われ
ている。そして、前記回転刃６１の先端には内刃６３が
設けられており、前記シース６２の先端には外刃６４が
設けられている。また、シース６２の基端にはケーシン
グ６５が設けられている。First, the cutter section 60 will be described.
The rotary blade 61 of the cutter unit 60 is formed to have a length sufficient to incise the affected part, and a pipe line is formed inside along the longitudinal axis. Also, its outer circumference is
It is covered with a sheath 62 coaxial with the longitudinal axis of the rotary blade 61. An inner blade 63 is provided at the tip of the rotary blade 61, and an outer blade 64 is provided at the tip of the sheath 62. A casing 65 is provided at the base end of the sheath 62.
【００４１】さらに、前記カッター部６０の基端には、
内部に長手方向の軸に沿った管路が形成された第１のテ
ーパ−部６６が設けられており、この第１のテーパ部６
６には、カッター部６０の基端と振動子７１の出力側端
部とを着脱自在に連結するためのピン６７が前記回転刃
６１の長手方向の軸と直交するように設けられている。Further, at the base end of the cutter unit 60,
A first taper portion 66 having a pipe line formed therein along a longitudinal axis is provided inside the first taper portion 6.
6, a pin 67 for detachably connecting the base end of the cutter unit 60 and the output side end of the vibrator 71 is provided so as to be orthogonal to the longitudinal axis of the rotary blade 61.
【００４２】次に、振動子ユニット７０について説明す
る。振動子ユニット７０にはケーシング７２が設けられ
ており、このケーシング７２の内部に振動子７１が収容
されている。前記振動子７１はねじり振動を発生させる
振動子、例えばボルト締めランジュバン型ねじり振動子
であり、内部に長手方向の軸に沿った管路が形成されて
いる。また、この振動子７１は、その軸が前記回転刃６
１の長手方向の軸と同軸となるように配置されている。Next, the vibrator unit 70 will be described. The vibrator unit 70 is provided with a casing 72, and the vibrator 71 is housed inside the casing 72. The vibrator 71 is a vibrator that generates a torsional vibration, for example, a bolted Langevin-type torsional vibrator, and has a pipe line formed inside along a longitudinal axis. The axis of the oscillator 71 is the rotary blade 6
1 is arranged so as to be coaxial with the longitudinal axis.
【００４３】また、前記振動子７１の複数の圧電素子７
１ａにそれぞれ設けられた電極（図示せず）は、電極板
７３と振動子７１の内部のボルトとを介して電気的に接
続されている。さらに、前記圧電素子７１ａの電極のう
ちの一方の電極はそれぞれ第１のスリップリング７４を
介して第１の電線７５と電気的に接続され、他方の電極
はそれぞれ第２のスリップリング７６を介して第２の電
線７７と電気的に接続されており、これらの電線７５，
７７はそれぞれ前記振動子７１を駆動する振動子コント
ロールユニット（図示せず）と電気的に接続されてい
る。The plurality of piezoelectric elements 7 of the vibrator 71 are also provided.
The electrodes (not shown) provided on each of the terminals 1a are electrically connected to each other through the electrode plate 73 and the bolt inside the vibrator 71. Further, one of the electrodes of the piezoelectric element 71 a is electrically connected to the first electric wire 75 via the first slip ring 74, and the other electrode is connected to the second slip ring 76. Is electrically connected to the second electric wire 77, and these electric wires 75,
77 are electrically connected to a vibrator control unit (not shown) that drives the vibrator 71.
【００４４】また、前記振動子７１の出力側端部には、
回転刃６１に回転を伝達するための第１の受け部材７８
が設けられており、この第１の受け部材７８は、前記カ
ッター部６０に設けられた第１のテーパ部６６と嵌合す
るテーパ穴（図示せず）と前記第１テーパ部６６に設け
られたピン６７と嵌合する溝（図示せず）が形成されて
いる。なお、内部には、長手方向の軸に沿った管路が形
成されている。Further, at the output side end of the vibrator 71,
First receiving member 78 for transmitting rotation to the rotary blade 61
The first receiving member 78 is provided in the first tapered portion 66 and a tapered hole (not shown) that fits into the first tapered portion 66 provided in the cutter portion 60. A groove (not shown) that fits into the pin 67 is formed. A pipe line is formed inside along the longitudinal axis.
【００４５】さらに、前記振動子７１の入力側端部に
は、内部に長手方向の軸に沿った管路が形成された第２
のテーパ部７９が設けられており、この第２のテーパ部
７９には、前記振動子７１の入力側端部と前記ハンドピ
ース３０のモータ３１の出力軸３２とを着脱自在に連結
するためのピン８０が前記回転刃６１の長手方向の軸と
直交するように設けられている。なお、前記第２のテー
パ部７９は前記ハンドピース３０に設けられた受け部材
（以下、第２の受け部材という）３４のテーパ穴と嵌合
するように形成されているとともに、第２のテーパ部７
９に設けられたピン８０は第２の受け部材３４の溝と嵌
合するように形成されている。Further, at the input side end of the vibrator 71, there is formed a second pipe in which a pipe line is formed along the longitudinal axis.
Is provided to the second taper portion 79 for connecting the input side end of the vibrator 71 and the output shaft 32 of the motor 31 of the handpiece 30 in a detachable manner. The pin 80 is provided so as to be orthogonal to the longitudinal axis of the rotary blade 61. The second taper portion 79 is formed so as to fit into a taper hole of a receiving member (hereinafter, referred to as a second receiving member) 34 provided on the handpiece 30, and the second taper portion is also formed. Part 7
The pin 80 provided at 9 is formed so as to fit in the groove of the second receiving member 34.
【００４６】また、回転刃６１、第１のテーパ部６６、
第１の受け部材７８、振動子７１および第２のテーパ部
７９の内部にはそれぞれ長手方向の軸に沿った管路が形
成されており、これら管路がそれぞれ連通して、切開さ
れた患部組織を吸引する吸引管路６が形成されている。
なお、他の構成は上述した第１の実施形態と同じである
から、重複する説明は図に同符号を付して省略する。The rotary blade 61, the first taper portion 66,
Inside the first receiving member 78, the vibrator 71, and the second taper portion 79, ducts are formed along the longitudinal axis, respectively, and these ducts communicate with each other to make an incised lesion. A suction line 6 for suctioning the tissue is formed.
Since the other configurations are the same as those of the above-described first embodiment, the duplicate description will be omitted by giving the same reference numerals to the drawings.
【００４７】この実施形態の超音波切開装置１ｃは、前
記第１のテーパ部６６と前記第１の受け部材７８のテー
パ穴とを嵌合させるとともに、前記第１のテーパ部６６
に設けられたピン６７と前記受け部材７８に形成された
溝とを嵌合させることで、カッター部６０の基端と振動
子ユニット７０の出力側端部とを着脱自在に連結させる
ことができる。また、前記第２のテーパ部７９と前記第
２の受け部材３４のテーパ穴とを嵌合させるとともに、
前記第２テーパ部７９に設けられたピン８０と前記受け
部材３４に形成された溝とを嵌合させることで、振動子
ユニット７０の入力側端部とハンドピース３０のモータ
３１の出力軸３２とを着脱自在に連結させて使用するも
のである。In the ultrasonic cutting device 1c of this embodiment, the first taper portion 66 is fitted into the taper hole of the first receiving member 78, and the first taper portion 66 is formed.
The base end of the cutter unit 60 and the output side end of the vibrator unit 70 can be detachably connected by fitting the pin 67 provided on the base member and the groove formed in the receiving member 78. . Further, the second taper portion 79 and the taper hole of the second receiving member 34 are fitted together, and
By fitting the pin 80 provided on the second taper portion 79 and the groove formed on the receiving member 34, the input side end portion of the transducer unit 70 and the output shaft 32 of the motor 31 of the handpiece 30. It is used by detachably connecting and.
【００４８】また、前記吸引管路６と吸引装置（図示せ
ず）とは、前記第１のテーパ部６６と前記第１の受け部
材７８とを嵌合させるとともに、前記第２のテーパ部７
９と前記第２の受け部材７８とを嵌合させることで、前
記受け部材３４の孔３６および前記管路３７を介して流
体連結する。なお、前記カッター部６０のケーシング６
５の振動子ユニット側端部と前記振動子ユニット７０の
ケーシング７２のカッター部側端部にはそれぞれネジ６
５ａ，７２ａが形成されており、前記ケーシング６５，
７２はこれらネジ６５ａ，７２ａにより着脱自在に連結
させる。前記振動子ユニット７０のケーシング７２のハ
ンドピース側端部と前記ハンドピース３０のケーシング
３３の振動子ユニット側端部にはそれぞれネジ７２ｂ，
３３ａが形成されており、前記ケーシング７２，３３は
これらネジ７２ｂ，３３ａにより着脱自在に連結させ
る。The suction pipe line 6 and the suction device (not shown) fit the first taper portion 66 and the first receiving member 78, and the second taper portion 7 is formed.
By fitting 9 and the second receiving member 78, fluid connection is established through the hole 36 of the receiving member 34 and the conduit 37. The casing 6 of the cutter unit 60
5 is attached to the end of the vibrator unit 70 on the vibrator unit side and the end of the vibrator 72 on the cutter unit side of the casing 72.
5a, 72a are formed, and the casing 65,
72 is detachably connected by these screws 65a and 72a. Screws 72b are respectively provided on the handpiece side end of the casing 72 of the vibrator unit 70 and the vibrator unit side end of the casing 33 of the handpiece 30.
33a is formed, and the casings 72 and 33 are detachably connected by the screws 72b and 33a.
【００４９】また、この実施形態の超音波切開装置１ｃ
では、上述のように、前記カッター部６０の基端に設け
られた第１のテーパ部６６と前記振動子ユニット７０の
出力側端部に設けられた第１の受け部材７８とが連結し
ているとともに、前記振動子ユニット７０の入力側端部
に設けられた第２のテーパ部７９と前記ハンドピース３
０のモータ３１の出力軸３２に設けられた第２受け部材
３４とが連結している。このため、スイッチ（図示せ
ず）をオンにしてモータ３１を回転させるとモータ３１
の回転は回転刃６１に伝達される。また、スイッチがオ
ンになると、振動子コントロールユニット（図示せず）
はモータ３１の動作と連動して前記振動子７１が駆動す
る。このようにすることにより、前記回転刃６１が回転
するとともに、振動子７１が駆動して、前記回転刃６１
の先端である内刃６３に長手方向に対するねじり振動が
付与される。The ultrasonic cutting device 1c of this embodiment is also used.
Then, as described above, the first taper portion 66 provided at the base end of the cutter portion 60 and the first receiving member 78 provided at the output side end portion of the transducer unit 70 are connected to each other. And the second taper portion 79 provided at the input end of the vibrator unit 70 and the handpiece 3
The second receiving member 34 provided on the output shaft 32 of the zero motor 31 is connected. Therefore, when the switch (not shown) is turned on and the motor 31 is rotated, the motor 31
Is transmitted to the rotary blade 61. Also, when the switch is turned on, the oscillator control unit (not shown)
The oscillator 71 is driven in conjunction with the operation of the motor 31. By doing so, the rotary blade 61 is rotated and the vibrator 71 is driven to move the rotary blade 61.
Torsional vibration in the longitudinal direction is applied to the inner blade 63, which is the tip of the.
【００５０】この実施形態の超音波切開装置１ｃによれ
ば、振動子７１がカッター部６０およびハンドピース３
０の双方から独立した振動子ユニット７０内に設けられ
ており、カッター部６０の基端と振動子ユニット７０の
振動子７１の出力側端部とが着脱自在に連結されてい
る。さらに、振動子ユニット７０の振動子７１の入力側
端部とハンドピース３０のモータ３１の出力軸３２とが
着脱自在に連結されているため、既存の切開装置のハン
ドピースを流用することができる。また、この実施形態
の超音波切開装置１ｃによれば、既存の切開装置のカッ
ター部も流用することができる。According to the ultrasonic cutting device 1c of this embodiment, the vibrator 71 includes the cutter portion 60 and the handpiece 3.
It is provided in the vibrator unit 70 independent of both 0, and the base end of the cutter unit 60 and the output side end of the vibrator 71 of the vibrator unit 70 are detachably connected. Further, since the input side end of the vibrator 71 of the vibrator unit 70 and the output shaft 32 of the motor 31 of the handpiece 30 are detachably connected, the existing handpiece of the incision device can be used. . Further, according to the ultrasonic cutting device 1c of this embodiment, the cutter portion of the existing cutting device can also be used.
【００５１】したがって、既存の切開装置に本実施形態
の超音波切開装置１ｃの振動子ユニットおよび振動子コ
ントロールユニットを追加することにより、新規に超音
波切開装置一式を導入しなくとも、既存の切開装置の回
転刃の先端に超音波ねじり振動を付与することができ
る。Therefore, by adding the vibrator unit and the vibrator control unit of the ultrasonic cutting device 1c of the present embodiment to the existing cutting device, the existing cutting device can be installed without introducing a new set of ultrasonic cutting device. Ultrasonic torsional vibration can be applied to the tip of the rotary blade of the device.
【００５２】なお、本発明に用いられる振動子は、上記
実施形態で用いられた振動子に限定されるものではな
く、超音波振動を発生させる振動子であればよい。The vibrator used in the present invention is not limited to the vibrator used in the above embodiment, but may be any vibrator that generates ultrasonic vibration.
【００５３】[0053]
【発明の効果】以上に説明したように、請求項１の発明
によれは、カッター部の振動子の入力側端部とハンドピ
ースのモータの出力軸とが着脱自在に連結されているた
め、既存の切開装置のハンドピースを流用することがで
き、経済的である。As described above, according to the invention of claim 1, since the input side end of the vibrator of the cutter and the output shaft of the motor of the handpiece are detachably connected, The existing incision device handpiece can be used, which is economical.
【００５４】また、請求項２の発明によれば、カッター
部の基端と振動子ユニットの振動子の出力側端部とが着
脱自在に連結されているとともに、振動子ユニットの振
動子の入力側端部とハンドピースのモータの出力軸とが
着脱自在に連結されているため、既存の切開装置のハン
ドピースを流用することができ、経済的である。According to the second aspect of the invention, the base end of the cutter unit and the output side end of the vibrator of the vibrator unit are detachably connected, and the vibrator input of the vibrator unit is input. Since the side end portion and the output shaft of the motor of the handpiece are detachably connected, the handpiece of the existing incision device can be used, which is economical.
【図１】この発明の第１の実施形態を示す超音波切開装
置の全体を示すの断面図。FIG. 1 is a cross-sectional view showing an entire ultrasonic cutting device according to a first embodiment of the present invention.
【図２】この発明の第２の実施形態を示す超音波切開装
置の全体を示すの断面図。FIG. 2 is a sectional view showing an entire ultrasonic cutting device showing a second embodiment of the present invention.
【図３】この発明の第３の実施形態を示す超音波切開装
置の全体を示すの断面図。FIG. 3 is a sectional view showing an entire ultrasonic cutting device showing a third embodiment of the present invention.
１ａ，１ｂ，１ｃ…超音波切開装置 １０，４０，６０…カッター部 １１，４１，６１…回転刃 ７０…振動子ユニット １２，４２，７１…振動子 ３０…ハンドピース ３１…モータ ３２…出力軸 1a, 1b, 1c ... Ultrasonic cutting device 10, 40, 60 ... Cutter part 11, 41, 61 ... Rotary blade 70 ... Transducer unit 12, 42, 71 ... Transducer 30 ... Handpiece 31 ... Motor 32 ... Output shaft
Claims (2)
を有する超音波切開装置において、 回転刃と振動子とを有するカッター部と、前記回転刃を
回転させるとともに前記振動子を駆動させるモータとこ
のモータの出力軸とを有するハンドピースとを備えてお
り、前記カッター部の基端と前記ハンドピースのモータ
の出力軸とが着脱自在に連結されていることを特徴とす
る超音波切開装置。1. An ultrasonic cutting device having a rotary blade and a vibrator for generating ultrasonic vibration, wherein a cutter unit having the rotary blade and the vibrator, and rotating the rotary blade and driving the vibrator. An ultrasonic incision comprising a motor and a handpiece having an output shaft of the motor, wherein the base end of the cutter portion and the output shaft of the motor of the handpiece are detachably connected. apparatus.
を有する超音波切開装置において、 回転刃を有するカッター部と、振動子を有する振動子ユ
ニットと、前記回転刃を回転させるととともに前記振動
子を駆動させるモータとこのモータの出力軸とを有する
ハンドピースとを備えており、前記カッター部の基端と
前記振動子ユニットの振動子の出力側端部とが着脱自在
に連結されているとともに、前記振動子ユニットの振動
子の入力側端部と前記ハンドピースのモータの出力軸と
が着脱自在に連結されていることを特徴とする超音波切
開装置。2. An ultrasonic cutting device having a rotary blade and a vibrator for generating ultrasonic vibration, comprising: a cutter unit having the rotary blade, a vibrator unit having the vibrator, and rotating the rotary blade. A handpiece having a motor for driving the vibrator and an output shaft of the motor is provided, and the base end of the cutter unit and the output side end of the vibrator of the vibrator unit are detachably connected. In addition, the ultrasonic cutting device is characterized in that the input side end of the vibrator of the vibrator unit and the output shaft of the motor of the handpiece are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001325321A JP2003126104A (en) | 2001-10-23 | 2001-10-23 | Ultrasonic incision apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001325321A JP2003126104A (en) | 2001-10-23 | 2001-10-23 | Ultrasonic incision apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003126104A true JP2003126104A (en) | 2003-05-07 |
Family
ID=19141909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001325321A Withdrawn JP2003126104A (en) | 2001-10-23 | 2001-10-23 | Ultrasonic incision apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003126104A (en) |
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