JPS62221343A - 生体組織切除装置 - Google Patents
生体組織切除装置Info
- Publication number
- JPS62221343A JPS62221343A JP61062594A JP6259486A JPS62221343A JP S62221343 A JPS62221343 A JP S62221343A JP 61062594 A JP61062594 A JP 61062594A JP 6259486 A JP6259486 A JP 6259486A JP S62221343 A JPS62221343 A JP S62221343A
- Authority
- JP
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- Prior art keywords
- sheath
- probe tube
- tube
- tissue
- endoscope
- 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
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- 238000002271 resection Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 210000001519 tissue Anatomy 0.000 description 27
- 239000010419 fine particle Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 210000001188 articular cartilage Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
め要約のデータは記録されません。
Description
【発明の詳細な説明】
〔産業上の利用分野」
本発明は、高周波（緩動により切除した生体、ｆｆｌ織
の生体外への吸引除去量を増大できるようＫした生体組
織切除装置に関するものである。
の生体外への吸引除去量を増大できるようＫした生体組
織切除装置に関するものである。
〔従来の技術Ｊ
従来より、特公昭４７−３９１９７号公報（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℃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℃除去すぺ（生体組織に当接し該組
織を高周波振動により破壊し毛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℃いる。
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℃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℃除去すぺ（生体組織に当接し該組
織を高周波振動により破壊し毛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℃いる。
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同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、内視鏡と高周波撮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。
ると、体腔内の除去すべき組織同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、内視鏡と高周波撮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。
〔発明が解決しようとする間雇点」
しかしながら、このプループ管は、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った不都合があった。
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った不都合があった。
本発明は、このような問題点に層目し℃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
動ブー−グ管の該シース内での占有断面哨を大きく占め
ることができるよ５１ＣＬで細かい粒子に分断された組
織の吸引排出量を多（でき１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Ｋ、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℃いる。
、内視鏡と組み合わせてシース内に挿入される高周波振
動ブー−グ管の該シース内での占有断面哨を大きく占め
ることができるよ５１ＣＬで細かい粒子に分断された組
織の吸引排出量を多（でき１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Ｋ、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℃いる。
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っても断面占
有面積を大きく取れるよう該プローブ管を断面偏平状（
形成している。
ーブ管がシース内で内視鏡の挿入存在によっても断面占
有面積を大きく取れるよう該プローブ管を断面偏平状（
形成している。
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、その高周波振動圧よ
って細かな粒子に分断し該プローブ管内を通し℃体腔外
へ吸引排出するものである。
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、その高周波振動圧よ
って細かな粒子に分断し該プローブ管内を通し℃体腔外
へ吸引排出するものである。
以下、図面を参照し℃本発明の詳細な説明する。第】図
及び第２図は本発明装置の第１実施例に係り、第】図は
縦断面１、第２図は第１図のＡ−Ａ線拡大断面図である
。
及び第２図は本発明装置の第１実施例に係り、第】図は
縦断面１、第２図は第１図のＡ−Ａ線拡大断面図である
。
これらの図において符号】は体腔内へ挿入される細長な
シースで、該シース】の手元部２に層脱自在に装着され
るブリッジ３を介して内ｉＪＫ鋭４と高周波振動プロー
ブ管５とが組みきゎされ挿入され、これら内視鏡４及び
プローブ管５はシース１を通し１体腔内へ挿入さｎるよ
うになっている。
シースで、該シース】の手元部２に層脱自在に装着され
るブリッジ３を介して内ｉＪＫ鋭４と高周波振動プロー
ブ管５とが組みきゎされ挿入され、これら内視鏡４及び
プローブ管５はシース１を通し１体腔内へ挿入さｎるよ
うになっている。
前記シース】の手元部２には、コック付送水口金６が立
設されて送水チューブ７が接続されるようになつ℃おり
、シース】の内ｆＩ！鏡４及びプローブ管５を除いた内
周側が送水路】ａとなっている。
設されて送水チューブ７が接続されるようになつ℃おり
、シース】の内ｆＩ！鏡４及びプローブ管５を除いた内
周側が送水路】ａとなっている。
又、前記グリ７ジ３のプローブ管挿入部８には、切換コ
ック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ろシ
ース１を閉塞できるようになっている。前記プローブ管
５の手元側は、該プヴーグ管５の管内と連通した接続管
部９と振動装置】０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
する排出チューブ１】が接続されている。又、前記振動
装置ｉ！】０は、高周波瓜動子】２及びホーン】３より
なり、図示しない電源装置かも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に伝達するよってな
っている。
ック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ろシ
ース１を閉塞できるようになっている。前記プローブ管
５の手元側は、該プヴーグ管５の管内と連通した接続管
部９と振動装置】０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
する排出チューブ１】が接続されている。又、前記振動
装置ｉ！】０は、高周波瓜動子】２及びホーン】３より
なり、図示しない電源装置かも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に伝達するよってな
っている。
このよってし℃、高尚ｔＬｒＭ動プ２−グ管５は、内睨
′ａ、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】内において断面円形の内視鏡４の存
在によつ℃も該プローブ管５の断面占有面積を大きく准
れるよう第２図ｆ示す如（形成され℃いる。即ち、プロ
ーブ管５の断面形状は、円況説４側を該内視鏡４の外周
に宿った湾曲凹状とし、シース］内周側を該内周にθっ
だ弧状として全体とし℃シース１内横申方向に広げ偏平
形状に形成され、シース】内での断面占有面積を断面円
形形状に比し広げている。
′ａ、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】内において断面円形の内視鏡４の存
在によつ℃も該プローブ管５の断面占有面積を大きく准
れるよう第２図ｆ示す如（形成され℃いる。即ち、プロ
ーブ管５の断面形状は、円況説４側を該内視鏡４の外周
に宿った湾曲凹状とし、シース］内周側を該内周にθっ
だ弧状として全体とし℃シース１内横申方向に広げ偏平
形状に形成され、シース】内での断面占有面積を断面円
形形状に比し広げている。
又、前記プローブ管５のシース】円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、摩擦係数の小さい
例えばテフロンコーティング】４が抱され℃いる。更に
、前記ブリッジ３のプローブ管挿入部８内周にも同様の
例えばテア０コーデイング】４が施されている。
害しないよう該シース１の内周には、摩擦係数の小さい
例えばテフロンコーティング】４が抱され℃いる。更に
、前記ブリッジ３のプローブ管挿入部８内周にも同様の
例えばテア０コーデイング】４が施されている。
尚−図中符号】５はプμｍグ管のパツキンである。
このような構成では、内視鏡４とプ「−グ管５とをシー
ス】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１１１察しながら切除すべき組織に
プルーブ管５先端を当従させ組織をその高周波振動によ
って細かな粒子状に分断する。細かな粒子状となった組
織はプローブ管５内に吸引され該プローブ管５．排出チ
ューブ１１を経て図示しない回収部に排出回収される。
ス】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１１１察しながら切除すべき組織に
プルーブ管５先端を当従させ組織をその高周波振動によ
って細かな粒子状に分断する。細かな粒子状となった組
織はプローブ管５内に吸引され該プローブ管５．排出チ
ューブ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ューブ
７、シース内の送水路１ａを経て体腔内に生理食塩水勢
が潅流され、この面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】内において占有断面積が大きく形成され
℃いるので、切除・分断した組織粒子吸引排出量を多（
でき、したがってこれら分断組域粒子により内視鏡の視
界がさまたげられることなく、又手術時間をその会規縮
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１間接軟骨、腫瘍等種々考えられる。
７、シース内の送水路１ａを経て体腔内に生理食塩水勢
が潅流され、この面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】内において占有断面積が大きく形成され
℃いるので、切除・分断した組織粒子吸引排出量を多（
でき、したがってこれら分断組域粒子により内視鏡の視
界がさまたげられることなく、又手術時間をその会規縮
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１間接軟骨、腫瘍等種々考えられる。
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４ａ面を平坦面とし、シース］内周面Ｎ＆該内周面
に浴った弧面とし全体とし℃シース】内構巾方向に広げ
偏平状に形成され、該シース】内での断面占有面積が広
くなっている。
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４ａ面を平坦面とし、シース］内周面Ｎ＆該内周面
に浴った弧面とし全体とし℃シース】内構巾方向に広げ
偏平状に形成され、該シース】内での断面占有面積が広
くなっている。
第４図には本発明装置の第３実施例忙係る断面図が示さ
れている。この実飽例では、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】内周面側を該内周面
（浴った弧状として全体とし℃シース１内の横巾方向に
広げ偏平形状知形成され℃いる。
れている。この実飽例では、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】内周面側を該内周面
（浴った弧状として全体とし℃シース１内の横巾方向に
広げ偏平形状知形成され℃いる。
尚、本発明におい℃シース、グリッジ、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。
形状は何ら問わず、種々のものが用いられる。
以上説明したように本発明によれは、内視鏡と組み合わ
せ℃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（分断された組織粒子の吸引排出量を多（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１組織切除手術時間を短縮化できる効果
がある。
せ℃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（分断された組織粒子の吸引排出量を多（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１組織切除手術時間を短縮化できる効果
がある。
第１図及び第２図は本発明装置の第】実施例に係り、第
】図は全体ｖｆｒ面図、第２図は第１図のＡ−Ａ線拡大
断面図、第３図、鼾４図は第２実鬼例。 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】 ０・・・振動漏ｉ！
】図は全体ｖｆｒ面図、第２図は第１図のＡ−Ａ線拡大
断面図、第３図、鼾４図は第２実鬼例。 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】 ０・・・振動漏ｉ！
Claims (2)
- （１）シース内へ内視鏡と高周波振動プローブ管とを組
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。 - （２）前記シースは、挿入されるプローブ管の高周波振
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
がコーティ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。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61062594A JPH0796017B2 (ja) | 1986-03-20 | 1986-03-20 | 生体組織切除装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61062594A JPH0796017B2 (ja) | 1986-03-20 | 1986-03-20 | 生体組織切除装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62221343A true JPS62221343A (ja) | 1987-09-29 |
| JPH0796017B2 JPH0796017B2 (ja) | 1995-10-18 |
Family
ID=13204803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61062594A Expired - Fee Related JPH0796017B2 (ja) | 1986-03-20 | 1986-03-20 | 生体組織切除装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0796017B2 (ja) |
Cited By (121)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011505198A (ja) * | 2007-11-30 | 2011-02-24 | エシコン・エンド−サージェリィ・インコーポレイテッド | 超音波手術刃 |
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