JPH01232946A - Ultrasonic treatment apparatus - Google Patents
Ultrasonic treatment apparatusInfo
- Publication number
- JPH01232946A JPH01232946A JP63061610A JP6161088A JPH01232946A JP H01232946 A JPH01232946 A JP H01232946A JP 63061610 A JP63061610 A JP 63061610A JP 6161088 A JP6161088 A JP 6161088A JP H01232946 A JPH01232946 A JP H01232946A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- treatment
- vibration
- region
- treated
- 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
- 238000009210 therapy by ultrasound Methods 0.000 title claims description 23
- 238000011282 treatment Methods 0.000 claims abstract description 41
- 238000005452 bending Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004945 emulsification Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 17
- 238000003780 insertion Methods 0.000 description 15
- 230000037431 insertion Effects 0.000 description 15
- 239000004575 stone Substances 0.000 description 9
- 210000001519 tissue Anatomy 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 5
- 238000002271 resection Methods 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、超音波撮動によって組織の切除、結石の破砕
等を行う超音波治療装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an ultrasonic treatment device that performs tissue resection, stone crushing, etc. using ultrasonic imaging.
［従来の技術と発明が解決しようとする課題］近年、体
腔内に細長の挿入部を挿入することにより、体腔内臓器
等を観察したり、必要に応じ処置具チャンネル内に挿通
した処置具を用いて各梯治療処置のできる内視鏡が広く
利用されている。[Prior art and problems to be solved by the invention] In recent years, by inserting an elongated insertion part into a body cavity, it is possible to observe internal organs, etc., and to insert a treatment instrument inserted into a treatment instrument channel as necessary. Endoscopes, which can be used to perform various types of therapeutic procedures, are widely used.
ところで、例えばｗＪｗｊ治療に用いられるものであっ
て、関節を切間することな（、関節に小さな穿刺孔を形
成し、この穿刺孔に挿入部を挿入して、前記内視鏡の一
つである関ｍｕによる観察のもとで、半月板の切除等の
手術を行うことのできる外科手術装置が提案されている
。このような装置の一つとして、細長の振動伝達部材を
介して伝達される超音波振動によって、前記半月板や１
Ｉｆｆｉ瘍等の組織の切除、乳化や結石の破砕等を行う
超音波治療装置がある。By the way, for example, it is used for wJwj treatment, and the joint is not incised (a small puncture hole is formed in the joint, the insertion part is inserted into this puncture hole, and one of the endoscopes is used). Under the observation of a certain person, a surgical device capable of performing operations such as removal of meniscus has been proposed.As one such device, vibration is transmitted through an elongated vibration transmitting member. The ultrasonic vibrations caused by the meniscus and
There are ultrasonic treatment devices that perform excision of tissues such as Iffi tumors, emulsification, and crushing of stones.
従来の超音波治療装置では、超音波の伝達部材として、
ステンレス・チタン等の金属のパイプまたは中実の棒が
用いられていた。しかしながら、従来の装置では、バイ
ブまたは棒の先端を押し当てて、組織の切除、乳化や結
石の破砕等を行うため、治療部位の保持ができず、また
、治療範囲が狭く、治療の効果、効率が悪かった。In conventional ultrasonic treatment devices, as an ultrasonic transmission member,
Metal pipes or solid rods such as stainless steel or titanium were used. However, with conventional devices, the tip of a vibrator or rod is pressed to remove tissue, emulsify, crush stones, etc., so the treatment area cannot be held, the treatment area is narrow, and the effectiveness of the treatment is limited. It was inefficient.
［発明の目的］
本発明は、上記事情に鑑みてなされたものであリ、治療
部位の保持が可能で、また、広い範囲の治療が可能な超
音波治療装置を提供することを目的としている。[Object of the Invention] The present invention was made in view of the above circumstances, and an object of the present invention is to provide an ultrasonic treatment device that is capable of holding a treatment area and capable of treating a wide range of areas. .
［課題を解決するための手段及び作用］本発明の超音波
治療装置は、細長の振動伝達部材の先端部に屈曲部を設
け、この屈曲部上に、治療部位を保持可能な空間を形成
するように、線材を張設したものである。[Means and effects for solving the problem] The ultrasonic treatment device of the present invention provides a bent portion at the tip of the elongated vibration transmission member, and forms a space on the bent portion in which the treatment area can be held. It is made by stretching wire rods.
［作用］
本発明では、振動伝達部材の先端部に設けられた屈曲部
と線材とによって形成される空間内に、治療部位が保持
され、前記線材を超音波振動させることにより、組織の
切除、乳化や結石の破砕等の治療が行われる。[Function] In the present invention, a treatment area is held in a space formed by a bending part provided at the tip of a vibration transmitting member and a wire rod, and by ultrasonically vibrating the wire rod, tissue ablation, Treatments include emulsification and stone crushing.
［実施例］ 以下、図面を参照して本発明の詳細な説明す゛ る。[Example] The present invention will be described in detail below with reference to the drawings.
第１図及び第２図は本発明の第１実施例に係り、第１図
は超音波治療装置の一部切欠側面図、第２図は第１図の
Ａ−、’Ｍ線断面の拡大図である。1 and 2 relate to the first embodiment of the present invention, FIG. 1 is a partially cutaway side view of the ultrasonic treatment device, and FIG. 2 is an enlarged cross-sectional view taken along lines A- and 'M in FIG. 1. It is a diagram.
第１図に示すように、超音波治療装置１は、細長の挿入
部２と、この挿入部２の後端に連設された振動子部３と
で構成されている。前記振動子部３は、振動子枠５と、
この振動子枠５に取付けられた超音波励娠用の振動子、
例えば圧電振動子６と、この振動子６の前端部に接合さ
れたホーン７とを備えている。そして、前記ホーン７の
前端部に、前記挿入部２を構成する棒状の振動伝達部材
８が接続されている。前記振動伝達部材８の先端部には
、弧状に湾曲された湾曲部１０が形成されている。この
湾曲部１０には、弦を形成するように、ワイヤ１１が張
設されている。そして、第１図及び第２図に示ずように
、前記振動伝達部材８の湾曲部１０と、前記ワイヤ１１
との間に、治療部位を保持するため空間１２が形成され
ている。As shown in FIG. 1, the ultrasonic treatment device 1 includes an elongated insertion section 2 and a transducer section 3 connected to the rear end of the insertion section 2. As shown in FIG. The vibrator section 3 includes a vibrator frame 5,
A transducer for ultrasonic excitation attached to this transducer frame 5,
For example, it includes a piezoelectric vibrator 6 and a horn 7 joined to the front end of the vibrator 6. A rod-shaped vibration transmitting member 8 constituting the insertion portion 2 is connected to the front end of the horn 7. A curved portion 10 curved into an arc is formed at the tip of the vibration transmission member 8 . A wire 11 is stretched over this curved portion 10 so as to form a string. As shown in FIGS. 1 and 2, the curved portion 10 of the vibration transmission member 8 and the wire 11
A space 12 is formed between the two to hold the treatment area.
尚、前記振動伝達部材８は、例えば、先端位置が超音波
撮動の定在波の腹となるような長さに設定されている。Note that the vibration transmission member 8 is set to have a length such that, for example, the tip position becomes the antinode of a standing wave for ultrasonic imaging.
また、前記ワイヤ１１としては、タングステン、チタン
等の金属や、セラミック、炭素繊維等が用いられる。Further, as the wire 11, metals such as tungsten and titanium, ceramics, carbon fibers, etc. are used.
次に、本実施例の作用について説明する。Next, the operation of this embodiment will be explained.
本実施例の超音波治療装置１を用いて、関節治療等を行
う場合、例えば膝部に穿刺孔を形成し、この穿刺孔から
関節腔内に、トラカール、シース等を介して、あるいは
直接、超音波治療装置１の挿入部２を挿入する。そして
、前記シースを介して、または、他の穿刺孔を介して関
節腔内に挿入された関節鏡による観察のもとで、前記挿
入部２の先端部に形成された空間１２内に、組織や結石
等の治療部位を挿入し、この治療部位を保持する。When performing joint treatment using the ultrasonic treatment device 1 of this embodiment, for example, a puncture hole is formed in the knee, and the puncture hole is inserted into the joint cavity through a trocar, sheath, etc., or directly. Insert the insertion section 2 of the ultrasound treatment device 1. Then, under observation with an arthroscope inserted into the joint cavity through the sheath or through another puncture hole, tissue is inserted into the space 12 formed at the distal end of the insertion section 2. Insert the treatment site such as stone or stone and hold this treatment site.
この状態で、振動子６を振動させると、この振動子６で
発生された超音波撮動は、ボーン７を介して、振動伝達
部材８に伝達され、この振動伝達部材８を介して、ワイ
ｒ１１に伝達される。そして、このワイヤ１１の振動に
よって組織の切除、乳化や結石の破砕等の治療が行われ
る。When the vibrator 6 is vibrated in this state, the ultrasonic imaging generated by the vibrator 6 is transmitted to the vibration transmission member 8 via the bone 7, and then transmitted through the vibration transmission member 8 to the wire. It is transmitted to r11. The vibration of the wire 11 performs treatments such as tissue resection, emulsification, and stone crushing.
このように、本実施例によれば、湾曲部１０とワイヤ１
１とによって形成される空間１２によって、治療部位の
保持が可能になり、また、ワイヤ１１の全体または任意
の部分で治療を行うことができるので、より広い範囲の
治療が可能になり、治療の効果、効率が向上される。In this way, according to this embodiment, the curved portion 10 and the wire 1
The space 12 formed by the wire 1 makes it possible to hold the treatment area, and since the entire wire 11 or any part of the wire 11 can be used for treatment, a wider range of treatment is possible and the treatment Effectiveness and efficiency will be improved.
また、前記ワイヤ１１による弦を長くすることにより、
より広い範囲の治療が可能になる。Furthermore, by lengthening the string formed by the wire 11,
A wider range of treatments becomes possible.
尚、前記空間１２内に治療部位を挿入せずに、ワイヤ１
１のみを治療部位に当接して、治療を行うことも可能で
ある。Note that the wire 1 is inserted without inserting the treatment site into the space 12.
It is also possible to carry out treatment by bringing only 1 into contact with the treatment site.
尚、振動伝達部材８は、パイプ状であっても良い。In addition, the vibration transmission member 8 may be pipe-shaped.
また、ワイヤ１１は、断面が円形のものに限らず、断面
が偏平形状のものであっても良い。Further, the wire 11 is not limited to having a circular cross section, but may have a flat cross section.
第３図及び第４図は本発明の第２実施例に係り、第３図
は超音波治療装置の挿入部先端部の側面図、第４図は第
３図のＢ−Ｂ′線断面図である。3 and 4 relate to a second embodiment of the present invention, FIG. 3 is a side view of the distal end of the insertion section of the ultrasonic treatment device, and FIG. 4 is a sectional view taken along the line B-B' in FIG. 3. It is.
本実施例は、振動伝達部材８の湾曲部１０の内側に、第
４図に示すように、刃１４を形成したものである。In this embodiment, a blade 14 is formed inside the curved portion 10 of the vibration transmitting member 8, as shown in FIG.
本実施例によれば、組織の切除、結石の破砕等を、ワイ
ヤ１１だけではなく、湾曲部１０の刃１４でも行うこと
ができるので、より、治療の効果。According to this embodiment, tissue resection, calculus crushing, etc. can be performed not only with the wire 11 but also with the blade 14 of the curved portion 10, which improves the effectiveness of the treatment.
効率が向上する。Increased efficiency.
その他の構成９作用及び効果は、第１実施例と同様であ
る。The other functions and effects of the configuration 9 are the same as those of the first embodiment.
第５図及び第６図は本発明の第３実施例に係り、第５図
は超音波治療装置の挿入部先端部の側面図、第６図は第
５図のＣ−Ｃ−線断面図である。5 and 6 relate to a third embodiment of the present invention, in which FIG. 5 is a side view of the distal end of the insertion section of the ultrasonic treatment device, and FIG. 6 is a cross-sectional view taken along line C-C in FIG. 5. It is.
本実施例は、撮動伝達部材８の湾曲部１０に、２本のワ
イヤ１６．１７を、所定の間隔を開けて平行に張設した
ものである。In this embodiment, two wires 16 and 17 are stretched in parallel to the curved portion 10 of the image capturing transmission member 8 with a predetermined interval.
本実施例によれば、ワイヤを複数本設けたことにより、
−度に治療できる範囲が広がるので、より治療効果が向
上する。According to this embodiment, by providing a plurality of wires,
- Since the range that can be treated is expanded, the therapeutic effect is further improved.
尚、ワイヤは、２本に限らず３本以上であっても良い。Note that the number of wires is not limited to two, but may be three or more.
その他の構成９作用及び効果は、第１実施例と同様であ
る。The other functions and effects of the configuration 9 are the same as those of the first embodiment.
第７図は本発明の第４実施例の超音波治療装置の挿入部
先端部の側面図である。FIG. 7 is a side view of the distal end of the insertion section of the ultrasonic treatment apparatus according to the fourth embodiment of the present invention.
本実施例は、撮動伝達部材８の先端部に、弧状の湾曲部
１０の代わりに、長方形の３辺を形成するように屈曲さ
せた屈曲部１８を設け、この屈曲部１８に、長方形の他
の一辺を形成するようにワイヤ１１を張設したものであ
る。In this embodiment, a bent part 18 bent to form three sides of a rectangle is provided at the tip of the image pickup transmission member 8 instead of the arc-shaped curved part 10. A wire 11 is stretched so as to form the other side.
その他の構成１作用及び効果は、第１実施例と同様であ
る。Other functions and effects of the configuration 1 are the same as those of the first embodiment.
尚、第８図に示すように、撮動伝達部材全体をワイヤ２
１によって形成しても良い。この第８図に示１例では、
ワイｒ２１は、一端が振動子部３のコーン７に接合され
、このコーン７から挿入部の先端側に直線状に延設され
、先端部においてループ２２を形成した後、後端側に直
線状に延設されて、他端が前記コーン７に接合されてい
る。尚、前記ワイ＼フ２１の直線状の部分は、シース２
３内に挿通されるようになっている。この超音波治療装
置では、先端のループ２２を、腫瘍や結石等の治療部位
２４に引っ掛けて、この治療部位２４を保持し、ワイヤ
２１を超音波振動させることにより処置を行う。In addition, as shown in FIG.
1 may be formed. In the example shown in FIG. 8,
The wire 21 has one end joined to the cone 7 of the vibrator section 3, extends linearly from the cone 7 to the distal end of the insertion section, forms a loop 22 at the distal end, and then extends linearly toward the rear end. The other end is joined to the cone 7. Note that the straight portion of the wife 21 is connected to the sheath 2.
It is designed to be inserted into 3. In this ultrasonic treatment device, a loop 22 at the tip is hooked onto a treatment site 24 such as a tumor or stone, the treatment site 24 is held, and the wire 21 is vibrated ultrasonically to perform treatment.
この第８図に示す例によれば、第１実施例と同様に、治
療部位を保持でき、治療が容易になる。According to the example shown in FIG. 8, similarly to the first embodiment, the treatment area can be held and the treatment becomes easier.
また、細いワイヤを用いることにより、切除力が向上す
る。また、ワイヤ２１の全体または任意の位置で治療を
行うことが可能であるため、治療の効率が向上する。Additionally, the use of thinner wires improves cutting power. Furthermore, since it is possible to perform treatment on the entire wire 21 or at any arbitrary position, the efficiency of treatment is improved.
尚、第９図に示すように、ワイヤ２１のループ２２の部
分を、コイル状にしても良い。これにより治療面積が広
くなる。Incidentally, as shown in FIG. 9, the loop 22 portion of the wire 21 may be formed into a coil shape. This increases the treatment area.
また、第１０図に示すように、ワイヤ２１のループ２２
内に、網２５を設けても良い。これにより、治療部位の
保持が容易になると共に、治療面積が広くなる。Further, as shown in FIG. 10, the loop 22 of the wire 21
A net 25 may be provided inside. This makes it easier to hold the treatment area and increases the treatment area.
尚、本発明は、上記各実施例に限定されず、例えば、振
動伝達部材８をバイブ状とし、この振動伝達部材８の中
空部を吸引路とすると共に、この振動伝達部材８の後端
側に吸引手段を設け、破砕された結石等を振動伝達部材
８の中空部を介して吸引除去できるようにしても良い。Note that the present invention is not limited to the above-mentioned embodiments. For example, the vibration transmission member 8 is shaped like a vibrator, the hollow part of this vibration transmission member 8 is used as a suction path, and the rear end side of this vibration transmission member 8 is A suction means may be provided in the vibration transmission member 8 so that crushed stones and the like can be suctioned and removed through the hollow portion of the vibration transmission member 8.
［発明の効果］
以上説明したように本発明によれば、振動伝達部材の先
端部に設けられた屈曲部と線材とによって形成される空
間により、治療部位を容易に保持でき、また、線材を超
音波撮動させることにより、広い範囲の治療が可能にな
るという効果がある。[Effects of the Invention] As explained above, according to the present invention, the treatment area can be easily held by the space formed by the bending part provided at the tip of the vibration transmitting member and the wire, and the wire can be easily held. Ultrasonic imaging has the effect of making it possible to treat a wide range of areas.
第１図及び第２図は本発明の第１実施例に係り、第１図
は超音波治療装置の一部切欠側面図、第２図は第１図の
Ａ−Ａ ”ね断面の拡大図、第３図及び第４図は本発明
の第２実施例に係り、第３図は超音波治療装置の挿入部
先端部の側面図、第４図は第３図のＢ−Ｂ−線断面図、
第５図及び第６図は本発明の第３実施例に係り、第５図
は超音波治療装置の挿入部先端部の側面図、第６図は第
５図のｃ−ｃ′線開所面図第７図は本発明の第４実施例
の超音波治療装置の挿入部先端部の側面図、第８図は振
動伝達部材全体をワイヤで形成した超音波治療装置の一
部切欠側面図、第９図及び第１０図は第８図の超音波治
療装置の変形例における先端部を示す斜視図である。
１・・・超音波治療装置 ２・・・挿入部３・・・振
動子部 ６・・・撮動子８・・・撮動伝達部材
１０・・・湾曲部１１・・・ワイヤ １
２・・・空間第１図
第３図 第４図
第５図 第６図
第７図
第８図
第９図
第１ｏ図1 and 2 relate to the first embodiment of the present invention, FIG. 1 is a partially cutaway side view of the ultrasonic treatment device, and FIG. 2 is an enlarged cross-sectional view taken along line A-A'' in FIG. 1. , FIG. 3 and FIG. 4 relate to a second embodiment of the present invention, FIG. 3 is a side view of the distal end of the insertion section of the ultrasonic treatment device, and FIG. 4 is a cross section taken along the line B-B in FIG. 3. figure,
5 and 6 relate to a third embodiment of the present invention, FIG. 5 is a side view of the distal end of the insertion section of the ultrasonic treatment device, and FIG. 6 is an opening plane taken along line c-c' in FIG. FIG. 7 is a side view of the tip of the insertion part of an ultrasonic treatment device according to a fourth embodiment of the present invention, and FIG. 8 is a partially cutaway side view of an ultrasonic treatment device in which the entire vibration transmission member is formed of wire. 9 and 10 are perspective views showing the distal end portion of a modification of the ultrasonic treatment device shown in FIG. 8. FIG. DESCRIPTION OF SYMBOLS 1... Ultrasonic treatment device 2... Insertion part 3... Vibrator part 6... Imager 8... Imaging transmission member 10... Curved part 11... Wire 1
2...Space Figure 1 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 1o
Claims (1)
され、この超音波振動発生手段によつて発生される超音
波振動を伝達する細長の振動伝達部材とを備えた超音波
治療装置において、前記振動伝達部材の先端部に屈曲部
を設け、この屈曲部上に、治療部位を保持可能な空間を
形成するように、線材を張設したことを特徴とする超音
波治療装置。An ultrasonic treatment device comprising an ultrasonic vibration generating means and an elongated vibration transmitting member connected to the ultrasonic vibration generating means and transmitting the ultrasonic vibration generated by the ultrasonic vibration generating means, An ultrasonic treatment device characterized in that a bending part is provided at the tip of the vibration transmitting member, and a wire is stretched over the bending part so as to form a space capable of holding a treatment area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63061610A JP2559452B2 (en) | 1988-03-14 | 1988-03-14 | Ultrasonic therapy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63061610A JP2559452B2 (en) | 1988-03-14 | 1988-03-14 | Ultrasonic therapy equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01232946A true JPH01232946A (en) | 1989-09-18 |
| JP2559452B2 JP2559452B2 (en) | 1996-12-04 |
Family
ID=13176104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63061610A Expired - Fee Related JP2559452B2 (en) | 1988-03-14 | 1988-03-14 | Ultrasonic therapy equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2559452B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016540601A (en) * | 2013-12-16 | 2016-12-28 | ティーアイ インコーポレイテッドＴｉ Ｉｎｃ． | Anterior capsulotomy device |
-
1988
- 1988-03-14 JP JP63061610A patent/JP2559452B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016540601A (en) * | 2013-12-16 | 2016-12-28 | ティーアイ インコーポレイテッドＴｉ Ｉｎｃ． | Anterior capsulotomy device |
| US11051980B2 (en) | 2013-12-16 | 2021-07-06 | Ti Inc. | Capsulorhexis apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2559452B2 (en) | 1996-12-04 |
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