JPH0796017B2 - Biopsy device - Google Patents
Biopsy deviceInfo
- Publication number
- JPH0796017B2 JPH0796017B2 JP61062594A JP6259486A JPH0796017B2 JP H0796017 B2 JPH0796017 B2 JP H0796017B2 JP 61062594 A JP61062594 A JP 61062594A JP 6259486 A JP6259486 A JP 6259486A JP H0796017 B2 JPH0796017 B2 JP H0796017B2
- Authority
- JP
- Japan
- Prior art keywords
- sheath
- probe tube
- endoscope
- tissue
- frequency vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Surgical Instruments (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、高周波振動により切除した生体組織の生体外
への吸引除去量を増大できるようにした生体組織切除装
置に関するものである。Description: TECHNICAL FIELD The present invention relates to a biological tissue excision device capable of increasing the amount of suctioned and removed extracorporeal biological tissue excised by high frequency vibration.
従来より、特公昭47−39197号公報に見られるように、
高周波振動を利用し生体組織を切除して生体外へ吸引除
去する生体組織除去装置が知られている。この先行技術
は、高周波振動が与えられるプローブ管を例えば所定体
腔内に挿入して除去すべく生体組織に当接し該組織を高
周波振動により破壊して細かい粒子に分断する一方、前
記プローブ管でこれら分断された細かい粒子を吸引し体
腔外へ排出し除去するようになつている。Conventionally, as seen in Japanese Patent Publication No. 47-39197,
2. Description of the Related Art There is known a biological tissue removing device that uses high-frequency vibration to excise biological tissue and remove it by suction outside the living body. In this prior art, for example, a probe tube to which high frequency vibration is applied is brought into contact with a living tissue in order to insert and remove it into a predetermined body cavity and destroys the tissue by high frequency vibration to divide it into fine particles. The fine particles that have been divided are suctioned and discharged outside the body cavity to be removed.
前記生体組織除去装置は内視鏡と組み合わせて使用され
ると、体腔内の除去すべき組織周辺を観察しながら切除
作業が行えるので安全に且つ効果的に切除できる。この
場合、内視鏡と高周波振動プローブ管とはともに断面円
形であり、断面円形のシース内に挿入して体腔内に挿入
される。When the biological tissue removing device is used in combination with an endoscope, the excision work can be performed while observing the periphery of the tissue to be removed in the body cavity, so that the device can be safely and effectively excised. In this case, both the endoscope and the high-frequency vibration probe tube have a circular cross section, and they are inserted into a body cavity by inserting them into a sheath having a circular cross section.
しかしながら、このプローブ管は、断面円形であると、
断面円形のシース内において大きな占有断面積を得られ
ないため、高周波振動により細かい粒子に分断した組織
の吸引量を充分確保できないといつた不都合があつた。However, if this probe tube has a circular cross section,
Since a large occupied cross-sectional area cannot be obtained in a sheath having a circular cross-section, it is sometimes inconvenient if a sufficient suction amount of the tissue divided into fine particles by high frequency vibration cannot be secured.
本発明は、このような問題点に着目してなされたもの
で、内視鏡と組み合わせてシース内に挿入される高周波
振動プローブ管の該シース内での占有断面積を大きく占
めることができるようにして細かい粒子に分断された組
織の吸引排出量を多くでき、体腔内の切除組織周辺の内
視鏡による視界を確保すると共に、組織切除手術時間を
短縮できるようにした生体組織切除装置を提供すること
を目的としている。The present invention has been made in view of such problems, and it is possible to occupy a large area in the sheath of the high-frequency vibration probe tube inserted into the sheath in combination with the endoscope. Provide a biological tissue excision device that can increase the suction and discharge amount of the tissue divided into fine particles, secure the field of view around the excised tissue in the body cavity by the endoscope, and shorten the tissue excision operation time. The purpose is to do.
本発明による生体組織切除装置は、吸引管でもあるプロ
ーブ管がシース内で内視鏡の挿入存在によつても断面占
有面積を大きく取れるよう該プローブ管を断面偏平状に
形成している。In the biological tissue excision device according to the present invention, the probe tube, which is also a suction tube, is formed into a flat cross section so that a large occupied area can be obtained even if the endoscope is inserted in the sheath.
生体組織切除装置は、内視鏡と組み合わせて高周波振動
プローブ管をシース内へ挿入して体腔内へ挿入し、前記
プローブ管を生体組織に接触させ、その高周波振動によ
つて細かな粒子に分断し該プローブ管内を通して体腔外
へ吸引排出するものである。The biological tissue excision device is combined with an endoscope to insert a high-frequency vibration probe tube into a sheath and insert it into a body cavity, bring the probe tube into contact with the biological tissue, and divide it into fine particles by the high-frequency vibration. Then, it is sucked out of the body cavity through the probe tube.
以下、図面を参照して本発明の実施例を説明する。第１
図及び第２図は本発明装置の第１実施例に係り、第１図
は縦断面図、第２図は第１図のＡ−Ａ線拡大断面図であ
る。Embodiments of the present invention will be described below with reference to the drawings. First
1 and 2 relate to the first embodiment of the device of the present invention. FIG. 1 is a longitudinal sectional view, and FIG. 2 is an enlarged sectional view taken along the line AA of FIG.
これらの図において符号１は体腔内へ挿入される細長な
シースで、該シース１の手元部２に着脱自在に装着され
るブリツジ３を介して内視鏡４と高周波振動プローブ管
５が組み合わされ挿入され、これら内視鏡４及びプロー
ブ管５はシース１を通して体腔内へ挿入されるようにな
つている。前記シース１の手元部２には、コツク付送水
口金６が立設されて送水チユーブ７が接続されるように
なつており、シース１の内視鏡４及びプローブ管５を除
いた内周側が送水路1aとなつている。又、前記ブリツジ
３のプローブ管挿入部８には、切換コツク8aが配設さ
れ、プローブ管５を挿入するときは開動し、挿入しない
ときは閉動して体腔内に挿入されるシース１を閉塞でき
るようになつている。前記プローブ管５の手元側は、該
プローブ管５の管内と連通した接続管部９と振動装置10
とに分岐されている。そして、接続管部９には、図示し
ない吸引装置及び組織回収部に連通する排出チユーブ11
が接続されている。又、前記振動装置10は、高周波振動
子12及びホーン13よりなり、図示しない電源装置から供
給される高周波電流により高周波振動を得てプローブ管
５に伝達するようになつている。In these drawings, reference numeral 1 is an elongated sheath to be inserted into a body cavity, and an endoscope 4 and a high frequency vibration probe tube 5 are combined with each other via a bridge 3 which is detachably attached to a proximal portion 2 of the sheath 1. The endoscope 4 and the probe tube 5 are inserted into the body cavity through the sheath 1. A water supply mouthpiece 6 with a cock is erected on the proximal portion 2 of the sheath 1 so that a water supply tube 7 can be connected thereto. The inner circumference of the sheath 1 excluding the endoscope 4 and the probe tube 5 is The side is the water supply channel 1a. In addition, a switching cock 8a is provided in the probe tube insertion portion 8 of the bridge 3, and when the probe tube 5 is inserted, the switching cock 8a is opened, and when the probe tube 5 is not inserted, the sheath 1 is inserted and inserted into the body cavity. It can be closed. The proximal side of the probe tube 5 has a connecting tube portion 9 communicating with the inside of the probe tube 5 and a vibrating device 10.
It has been branched to. Then, the connection tube portion 9 has a discharge tube 11 communicating with a suction device and a tissue recovery portion (not shown).
Are connected. The vibrating device 10 is composed of a high-frequency vibrator 12 and a horn 13, and is adapted to obtain high-frequency vibration by a high-frequency current supplied from a power supply device (not shown) and transmit it to the probe tube 5.
このようにして、高周波振動プローブ管５は、内視鏡４
と組み合わされてシース１内に挿入されるが、断面円形
のシース１内において断面円形の内視鏡４の存在によつ
ても該プローブ管５の断面占有面積を大きく取れるよう
第２図に示す如く形成されている。即ち、プローブ管５
の断面形状は、内視鏡４側を該内視鏡４の外周に沿つた
湾曲凹状とし、シース１内周側を該内周に沿つた弧状と
して全体としてシース１内横巾方向に広げ偏平形状に形
成され、シース１内での断面占有面積を断面円形形状に
比し広げている。In this way, the high-frequency vibration probe tube 5 is attached to the endoscope 4
Although it is inserted into the sheath 1 in combination with the above, it is shown in FIG. 2 so that the cross-sectional occupying area of the probe tube 5 can be made large even by the presence of the endoscope 4 having the circular cross section in the sheath 1 having the circular cross section. It is formed like this. That is, the probe tube 5
The cross-sectional shape of the endoscope 4 is a curved concave shape along the outer circumference of the endoscope 4 and the inner circumferential side of the sheath 1 is arcuate along the inner circumference, and is broadened in the transverse direction in the sheath 1 as a whole, and is flat. The cross-section occupying area in the sheath 1 is wider than that of the circular cross-section.
又、前記プローブ管５のシース１内での高周波振動を阻
害しないよう該シース１の内周には、摩擦係数の小さに
例えばテフロンコーテイング14が施されている。更に、
前記ブリツジ３のプローブ管挿入部８内周にも同様の例
えばテフロコーテイング14が施されている。Further, for example, a Teflon coating 14 having a small friction coefficient is provided on the inner circumference of the sheath 1 so as not to disturb high frequency vibration of the probe tube 5 inside the sheath 1. Furthermore,
On the inner circumference of the probe tube insertion portion 8 of the bridge 3, a similar tephro coating 14 is also applied.
尚、図中符号15はプローブ管のパツキンである。Reference numeral 15 in the figure is a packing of the probe tube.
このような構成では、内視鏡４とプローブ管５とをシー
ス１に組み込んで体腔内に挿入され、該体腔内の切除組
織周辺を内視鏡４で観察しながら切除すべき組織にプロ
ーブ管５先端を当接させ組織をその高周波振動によつて
細かな粒子状に分断する。細かな粒子状となつた組織は
プローブ管５内に吸引され該プローブ管5,排出チユーブ
11を経て図示しない回収部に排出回収される。この組織
の切除手術中には、必要に応じて送水チユーブ7,シース
内の送水路1aを経て体腔内に生理食塩水等が潅流され、
この潅流水とともに生体組織粒子はプローブ管５を経て
吸引排出される。前記のようにプローブ管５は、シース
１内において占有断面積が大きく形成されているので、
切除・分断した組織粒子吸引排出量を多くでき、したが
つてこれら分断組織粒子により内視鏡の視界がさまたげ
られることなく、又手術時間をその分短縮化できる。
尚、この切除すべき生体組織としては例えば、前立腺，
間接軟骨，腫瘍等種々考えられる。In such a configuration, the endoscope 4 and the probe tube 5 are incorporated into the sheath 1 and inserted into the body cavity, and the probe tube is attached to the tissue to be excised while observing the periphery of the excised tissue in the body cavity with the endoscope 4. (5) The tips are brought into contact with each other to divide the tissue into fine particles by the high frequency vibration. The fine particle-shaped tissue is sucked into the probe tube 5, and the probe tube 5 and the discharge tube
It is discharged and collected via a collecting unit (not shown) via 11. During excision operation of this tissue, physiological saline or the like is perfused into the body cavity through the water supply tube 7 and the water supply channel 1a in the sheath as necessary,
The biological tissue particles are sucked and discharged through the probe tube 5 together with the perfusion water. As described above, since the probe tube 5 is formed to have a large occupied cross-sectional area in the sheath 1,
The amount of suction and discharge of the excised / dissected tissue particles can be increased, and therefore the field of view of the endoscope is not obstructed by these disrupted tissue particles, and the operation time can be shortened accordingly.
The living tissue to be excised is, for example, a prostate gland,
Various types of indirect cartilage, tumor, etc. are possible.
第３図には本発明装置の第２実施例に係る断面図が示さ
れている。この実施例ではプローブ管５の断面形状は内
視鏡４側面を平坦面とし、シース１内周面側を該内周面
に沿つた弧面とし全体としてシース１内横巾方向に広げ
偏平状に形成され、該シース１内での断面占有面積が広
くなつている。FIG. 3 shows a sectional view of a second embodiment of the device of the present invention. In this embodiment, the cross-sectional shape of the probe tube 5 is such that the side surface of the endoscope 4 is a flat surface, the inner peripheral surface side of the sheath 1 is an arc surface along the inner peripheral surface, and it is widened in the transverse direction in the sheath 1 as a whole and is flat. And the cross-sectional occupied area in the sheath 1 is widened.
第４図には本発明装置の第３実施例に係る断面図が示さ
れている。この実施例では、プローブ管５の断面形状は
内視鏡４側面を弧状とし、シース１内周面側を該内周面
に沿つた孤状として全体としてシース１内の横巾方向に
広げ偏平形状に形成されている。FIG. 4 shows a sectional view of a third embodiment of the device of the present invention. In this embodiment, the cross-sectional shape of the probe tube 5 is arcuate on the side surface of the endoscope 4, and the inner peripheral surface side of the sheath 1 is formed as an arc along the inner peripheral surface so as to widen in the transverse direction in the sheath 1 as a whole and flat. It is formed in a shape.
尚、本発明においてシース，ブリツジ，内視鏡の構成，
形状は何ら問わず、種々のものが用いられる。In the present invention, the sheath, the bridge, the configuration of the endoscope,
Various shapes are used regardless of the shape.
以上説明したように本発明によれば、内視鏡と組み合わ
せてシース内に挿入される高周波振動プローブ管の該シ
ース内での占有断面積を大きく取ることができ、その結
果、細かく分断された組織粒子の吸引排出量を多くで
き、この分断粒子による内視鏡の視界がさまたげられる
ことがないと共に、組織切除手術時間を短縮化できる効
果がある。As described above, according to the present invention, the occupied cross-sectional area in the sheath of the high-frequency vibration probe tube inserted in the sheath in combination with the endoscope can be made large, and as a result, it is finely divided. The amount of tissue particles to be sucked and discharged can be increased, the view field of the endoscope is not obstructed by the fragmented particles, and the tissue excision operation time can be shortened.
第１図及び第２は本発明装置の第１実施例に係り、第１
図は全体断面図、第２図は第１図のＡ−Ａ線拡大断面
図、第３図，第４図は第２実施例，第３実施例の断面図
である。 １……シース、４……内視鏡 ５……プローブ管、９……接続管 10……振動装置1 and 2 relate to a first embodiment of the device of the present invention.
The figure is an overall sectional view, FIG. 2 is an enlarged sectional view taken along the line AA of FIG. 1, and FIGS. 3 and 4 are sectional views of a second embodiment and a third embodiment. 1 ... Sheath, 4 ... Endoscope 5 ... Probe tube, 9 ... Connection tube 10 ... Vibration device
Claims (2)
とを組み合わせ挿入する生体組織切除装置において、前
記プローブ管がシース内で内視鏡の存在によつても断面
占有面積を大きく取れるよう該プローブ管を断面偏平状
に形成したことを特徴とする生体組織切除装置。1. A biological tissue excision device for inserting an endoscope and a high-frequency vibration probe tube into a sheath in combination so that the probe tube can have a large cross-sectional area even in the presence of the endoscope. An apparatus for excising living tissue, wherein the probe tube is formed to have a flat cross section.
周波振動を阻害しないようその内周面に摩擦係数の小さ
い素材がコーテイングされていることを特徴とする特許
請求の範囲第１項に記載の生体組織切除装置。2. The sheath according to claim 1, wherein a material having a small friction coefficient is coated on the inner peripheral surface of the sheath so as not to disturb high frequency vibration of the inserted probe tube. Biological tissue excision device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61062594A JPH0796017B2 (en) | 1986-03-20 | 1986-03-20 | Biopsy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61062594A JPH0796017B2 (en) | 1986-03-20 | 1986-03-20 | Biopsy device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62221343A JPS62221343A (en) | 1987-09-29 |
| JPH0796017B2 true JPH0796017B2 (en) | 1995-10-18 |
Family
ID=13204803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61062594A Expired - Fee Related JPH0796017B2 (en) | 1986-03-20 | 1986-03-20 | Biopsy device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0796017B2 (en) |
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1986
- 1986-03-20 JP JP61062594A patent/JPH0796017B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62221343A (en) | 1987-09-29 |
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