JPH0534645Y2 - - Google Patents
Info
- Publication number
- JPH0534645Y2 JPH0534645Y2 JP11395588U JP11395588U JPH0534645Y2 JP H0534645 Y2 JPH0534645 Y2 JP H0534645Y2 JP 11395588 U JP11395588 U JP 11395588U JP 11395588 U JP11395588 U JP 11395588U JP H0534645 Y2 JPH0534645 Y2 JP H0534645Y2
- Authority
- JP
- Japan
- Prior art keywords
- suction path
- suction
- inner tube
- hole
- cleaning
- 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 - Lifetime
Links
- 238000004140 cleaning Methods 0.000 claims description 31
- 238000002271 resection Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 description 17
- 230000037431 insertion Effects 0.000 description 17
- 210000001519 tissue Anatomy 0.000 description 17
- 238000005476 soldering Methods 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 2
- 210000000845 cartilage Anatomy 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 210000001188 articular cartilage Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000022159 cartilage development Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は、切開することなく体腔外から体腔
内、例えば膝等の関節腔内の軟骨（関節半月、関
節軟骨）、関節瘤、腫瘍等を切除し、体腔外に排
出する外科用切除器具に関する。[Detailed description of the invention] [Industrial application field] This invention can be used to remove cartilage (articular meniscus, articular cartilage), articular aneurysms, tumors, etc. from outside the body cavity to within the body cavity without making an incision, such as in the joint cavity of the knee etc. The present invention relates to a surgical excision instrument that excises and discharges the body cavity.
［従来の技術］
従来、関節手術は、主として切開法（開放外
科）によつて行われていた。例えば、一般的な関
節の手術においては、膝蓋骨上の腫瘍を切除した
り、膝関節から破損した軟骨、骨等を切除するこ
と等であるが、比較的大きな切開を必要としてい
た。そのため、切開による外傷を生じ、苦痛と運
動制限とを伴い、完治まで多くの時間を要すると
いう欠点を有していた。[Prior Art] Conventionally, joint surgery has been mainly performed by an incisional method (open surgery). For example, common joint surgeries require relatively large incisions, such as removing tumors on the patella and removing damaged cartilage, bone, etc. from the knee joint. Therefore, the incision causes trauma, which is accompanied by pain and restriction of movement, and has the disadvantage that it takes a long time to completely heal.
そこで近年、関節鏡（内視鏡）の観察のもとで
関節を切開しないで、この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手術する
外科用切除器具が提案されている。 Therefore, in recent years, surgical resection instruments have been proposed that perform surgery by forming a small puncture hole in the joint without making an incision under arthroscopic (endoscope) observation, and inserting the insertion part into this puncture hole. has been done.
従来の外科用切除器具は、例えば、特開昭55−
116346号公報に示されるように、外管内に、先端
付近に切刃を有する内管が、回転自在に嵌挿され
ており、前記内管の回転により、組織の切除を行
うようになつている。また、この外科用切除器具
において、組織の吸引路は、挿入部先端の開口部
と、内管内の吸引路と、後端部に吸引路と垂直に
設けられた吸引孔とにより構成されていた。 Conventional surgical cutting instruments are, for example, disclosed in Japanese Patent Application Laid-Open No.
As shown in Japanese Patent No. 116346, an inner tube having a cutting edge near its tip is rotatably inserted into the outer tube, and tissue is cut by rotating the inner tube. . In addition, in this surgical resection instrument, the tissue suction path was composed of an opening at the tip of the insertion section, a suction path within the inner tube, and a suction hole provided perpendicular to the suction path at the rear end. .
［考案が解決しようとする課題］
しかしながら、上述のような従来の外科用切除
器具では、内管内の吸引路を洗浄したり、吸引路
内の組織詰まりを排除しようとする際、洗浄ブラ
シ等を吸引路内に挿入することは、極めて困難で
あつた。なぜならば、第７図に示すように、洗浄
ブラシ３６は、例えばモータの出力軸に接続され
るスリーブ３８に形成された吸引孔３３より挿入
する訳だが、吸引路３１と吸引孔３３が略垂直に
構成されているため、洗浄ブラシ３６の挿入が極
めて困難である。そのため、内管２１内を十分に
洗浄できず、吸引路３１内に切除片等が残り易
く、不潔になりやすかつた。[Problems to be solved by the invention] However, with the conventional surgical resection instruments as described above, when cleaning the suction path in the inner canal or removing tissue clogging in the suction path, it is necessary to use a cleaning brush or the like. It was extremely difficult to insert it into the suction channel. This is because, as shown in FIG. 7, the cleaning brush 36 is inserted, for example, through a suction hole 33 formed in a sleeve 38 connected to the output shaft of a motor, but the suction path 31 and suction hole 33 are approximately perpendicular to each other. Therefore, it is extremely difficult to insert the cleaning brush 36. As a result, the inside of the inner tube 21 could not be sufficiently cleaned, and cut pieces and the like tended to remain in the suction path 31, making it apt to become unclean.
［考案の目的］
本考案は、上記事情に鑑みてなされたものであ
り、内管内の吸引路の詰まり除去や洗浄を容易に
確実に行うことができ、清潔な状態に保つことの
できる外科用切除器具を提供することを目的とし
ている。[Purpose of the invention] The present invention was made in view of the above circumstances, and is a surgical device that can easily and reliably remove clogs and clean the suction passage in the internal tube, and that can be kept in a clean state. The purpose is to provide cutting instruments.
［課題を解決するための手段］
本考案の外科用切除器具は、先端付近に開口を
有する外管と、前記外管内に挿通される内管とを
備え、前記内管の先端付近に、組織の切削、切除
を行う刃部が設けられると共に、前記内管は、長
手方向に延びる吸引路を有し、前記吸引路の先端
は、前記内管の先端付近で開口し、前記吸引路の
基端は、前記内管の基端付近に設けられた吸引孔
により、前記吸引路に対して平行ではなく所定の
角度を持つて開口しているものにおいて、前記吸
引路と略同軸上に、前記吸引路と連通する少なく
とも一つの吸引路洗浄用の孔を設けたものであ
る。[Means for Solving the Problems] The surgical resection instrument of the present invention includes an outer tube having an opening near its tip, and an inner tube inserted into the outer tube, and has tissue in the vicinity of the tip of the inner tube. The inner tube has a suction path extending in the longitudinal direction, and the tip of the suction path opens near the tip of the inner tube, and the inner tube has a suction path extending in the longitudinal direction. The end is opened not parallel to the suction path but at a predetermined angle by a suction hole provided near the proximal end of the inner tube, and the end is substantially coaxial with the suction path. At least one hole for cleaning the suction path communicating with the suction path is provided.
［作用］
本考案の外科用切除器具では、内管内の吸引路
に、吸引路洗浄用の孔を介して、洗浄ブラシ等を
挿入して、吸引路の洗浄を行う。[Operation] In the surgical resection instrument of the present invention, a cleaning brush or the like is inserted into the suction path in the inner tube through the hole for cleaning the suction path to clean the suction path.
［実施例］
以下、図面を参照して本考案の実施例を説明す
る。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図ないし第３図は本考案の第１実施例に係
り、第１図は挿入部の断面図、第２図は洗浄孔よ
り洗浄ブラシを挿入した状態を示す説明図、第３
図は外科用切除器具の全体を示す側面図である。 1 to 3 relate to the first embodiment of the present invention, in which FIG. 1 is a sectional view of the insertion part, FIG. 2 is an explanatory view showing the state in which the cleaning brush is inserted from the cleaning hole, and FIG.
The figure is a side view showing the entire surgical cutting instrument.
第３図に示すように、外科用切除器具１は、本
体２と、この本体２の先端に取り付けられた硬性
で細長の挿入部３とを備えている。前記本体２の
後端には、吸引装置４と接続され、切除片を吸引
排出するための吸引チユーブ５と、コントロール
ユニツト６と接続され、前記本体２に内装された
モータに電力を供給する電源コード７とが取付け
られている。前記コントロールユニツト６には、
フツトスイツチ８が接続されており、術者は、こ
のフツトスイツチ８によつて、足元で前記モータ
の駆動等、外科用切除器具１の制御を行うことが
できるようになつている。 As shown in FIG. 3, the surgical cutting instrument 1 includes a main body 2 and a rigid, elongated insertion section 3 attached to the distal end of the main body 2. As shown in FIG. At the rear end of the main body 2, there is a suction tube 5 connected to the suction device 4 for suctioning and discharging the resected pieces, and a power source connected to the control unit 6 and supplying power to the motor built into the main body 2. Code 7 is attached. The control unit 6 includes:
A foot switch 8 is connected, and the operator can control the surgical cutting instrument 1, such as driving the motor, using the foot switch 8.
第１図に示すように、前記挿入部３は、硬性で
細長の外管１１と、この外管１１内に回動自在に
内装された内管２１とを備えている。前記外管１
１は、外パイプ１３を有し、この外パイプ１３の
先端部には、半円形状の開口の縁部に切刃１４を
設けた外刃１５が嵌合され、半田付け等により固
定されている。また、前記外パイプ１３の基端部
には、前記本体２と着脱自在に接続可能なフラン
ジ１６が嵌合され、半田付け等により固定されて
いる。 As shown in FIG. 1, the insertion section 3 includes a hard and elongated outer tube 11 and an inner tube 21 rotatably housed within the outer tube 11. As shown in FIG. Said outer tube 1
1 has an outer pipe 13, and an outer cutter 15 having a cutting edge 14 on the edge of a semicircular opening is fitted into the tip of the outer pipe 13, and is fixed by soldering or the like. There is. Further, a flange 16 that can be detachably connected to the main body 2 is fitted into the base end of the outer pipe 13 and fixed by soldering or the like.
また、前記内管２１は、前記外パイプ１３内に
挿通可能な内パイプ２３を有し、この内パイプ２
３の先端部には、半円形状の開口の縁部に切刃２
４を設けた内刃２５が嵌合され、半田付け等によ
り固定されている。また、前記内パイプ２３の基
端部には、前記本体２内部のモータの出力軸と係
合されるスリーブ２６が嵌合され、半田付け等に
より固定されている。尚、前記内刃２５は、前記
外刃１５内に配置されるようになつている。 Further, the inner pipe 21 has an inner pipe 23 that can be inserted into the outer pipe 13.
3 has a cutting edge 2 at the edge of the semicircular opening.
The inner cutter 25 provided with 4 is fitted and fixed by soldering or the like. Further, a sleeve 26 that is engaged with the output shaft of the motor inside the main body 2 is fitted into the base end of the inner pipe 23 and fixed by soldering or the like. Note that the inner cutter 25 is arranged within the outer cutter 15.
前記内パイプ２３内には、吸引路３１が形成さ
れている。また、前記挿入部３の先端付近には、
前記吸引路３１と連通する組織取込み用の開口部
３２が、前記内刃２５と外刃１５の半円形状の開
口によつて形成されている。また、前記スリーブ
２６には、前記吸引路３１と連通し、前記内パイ
プ２３の軸に垂直に設けられた吸引孔３３と、前
記吸引路３１と連通し、この吸引路３１と略同軸
上に形成された吸引路３１洗浄用の洗浄孔３５と
が設けられている。 A suction path 31 is formed within the inner pipe 23 . In addition, near the tip of the insertion section 3,
An opening 32 for taking in tissue that communicates with the suction path 31 is formed by the semicircular openings of the inner cutter 25 and the outer cutter 15. The sleeve 26 also has a suction hole 33 that communicates with the suction path 31 and is provided perpendicularly to the axis of the inner pipe 23, and a suction hole 33 that communicates with the suction path 31 and is provided approximately coaxially with the suction path 31. A cleaning hole 35 for cleaning the formed suction path 31 is provided.
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.
例えば、膝関節腔内の対象部位を切除する場
合、膝部に外科用切除器具１の挿入部３を挿入す
る小孔をトラカール等によつて形成し、この小孔
に、トラカール等を介してまたは直接、前記挿入
部３を挿入する。そして、トラカール等を介して
関節腔内に挿入された関節鏡によつて、関節腔内
を観察しながら、前記挿入部３先端付近の開口部
３２を切除対象組織に当接させ、この状態で、本
体２内のモータを駆動して、スリーブ２６を介し
て内管２１を回転させる。前記内管２１を回転さ
せることにより、外刃１５の切刃１４と内刃２５
の切刃２４とによつて組織が切除され、切除片は
開口部３２、吸引路３１、吸引孔３３及び吸引チ
ユーブ５を経て、吸引装置４によつて吸引排出さ
れる。 For example, when resecting a target region within the knee joint cavity, a small hole is formed in the knee using a trocar or the like to insert the insertion part 3 of the surgical resection instrument 1, and a small hole is inserted into the small hole through the trocar or the like. Alternatively, the insertion section 3 is directly inserted. Then, while observing the inside of the joint cavity with an arthroscope inserted into the joint cavity through a trocar or the like, the opening 32 near the tip of the insertion section 3 is brought into contact with the tissue to be resected, and in this state, , drives the motor in the main body 2 to rotate the inner tube 21 via the sleeve 26. By rotating the inner tube 21, the cutting edge 14 of the outer cutter 15 and the inner cutter 25
The tissue is excised by the cutting blade 24 , and the resected pieces are suctioned and discharged by the suction device 4 through the opening 32 , the suction path 31 , the suction hole 33 and the suction tube 5 .
一方、外科用切除器具１の内管２１内の吸引路
３１を洗浄する際には、例えば、第２図に示すよ
うに、スリーブ２６に形成された洗浄孔３５よ
り、吸引路３１内に洗浄ブラシ３６を挿入し、こ
の洗浄ブラシ３６によつて、吸引路３１を先端の
開口部３２まできれいに洗浄する。尚、内管２１
を洗浄する際には、この内管２１を外管１１から
抜いて行う。 On the other hand, when cleaning the suction path 31 in the inner tube 21 of the surgical resection instrument 1, for example, as shown in FIG. A brush 36 is inserted, and the cleaning brush 36 cleans the suction path 31 up to the opening 32 at the tip. In addition, the inner pipe 21
When cleaning, the inner tube 21 is removed from the outer tube 11.
これに対し、第７図に示す従来例のように、前
記洗浄孔３５がないと、洗浄ブラシ３６を吸引路
３１内に挿入することは、極めて困難である。 On the other hand, as in the conventional example shown in FIG. 7, without the cleaning hole 35, it is extremely difficult to insert the cleaning brush 36 into the suction path 31.
このように、本実施例によれば、吸引路３１と
略同軸上に、吸引路３１と連通する洗浄孔３５を
設けたので、内管２１内の吸引略３１の詰まり除
去や洗浄を容易に確実に行うことができ、外科用
切除器具１を、常に、清潔な状態で保管すること
ができる。 As described above, according to this embodiment, since the cleaning hole 35 communicating with the suction path 31 is provided approximately coaxially with the suction path 31, the suction hole 31 in the inner tube 21 can be easily removed from blockages and cleaned. This can be done reliably, and the surgical cutting instrument 1 can always be stored in a clean state.
第４図は本考案の第２実施例における挿入部の
先端側の断面図である。 FIG. 4 is a sectional view of the distal end side of the insertion portion in the second embodiment of the present invention.
本実施例では、内刃４５の先端形状が、第１実
施例の内刃２５の形状と異なつている。すなわ
ち、前記内刃４５の先端部には、吸引路３１と略
同軸上に洗浄孔４６が設けられている。 In this embodiment, the shape of the tip of the inner cutter 45 is different from the shape of the inner cutter 25 of the first embodiment. That is, a cleaning hole 46 is provided at the tip of the inner cutter 45 substantially coaxially with the suction path 31 .
本実施例によれば、例えば、吸引路３１の詰ま
りを除去する際に、細い棒を洗浄孔３５、４６の
いずれかより挿入し、他方の洗浄孔まで詰まつた
組織を押し出せば、簡単に詰まりを除去すること
ができる。 According to this embodiment, for example, when removing a blockage in the suction path 31, it is easy to remove a blockage by inserting a thin rod through either of the cleaning holes 35 and 46 and pushing out the clogged tissue to the other cleaning hole. The blockage can be removed.
その他の構成、作用及び効果は、第１実施例と
同様である。 Other configurations, operations, and effects are similar to those of the first embodiment.
第５図は本考案の第３実施例における挿入部の
断面図である。 FIG. 5 is a sectional view of the insertion portion in the third embodiment of the present invention.
本実施例では、第２実施例と同様に、内刃４５
の先端部に吸引路３１と略同軸上に洗浄孔４６を
設け、スリーブ２６には洗浄孔３５を設けていな
い。 In this embodiment, the inner cutter 45 is similar to the second embodiment.
A cleaning hole 46 is provided at the tip of the sleeve 26 approximately coaxially with the suction path 31, and the sleeve 26 is not provided with a cleaning hole 35.
本実施例では、前記内刃４５に設けられた洗浄
孔４６より洗浄ブラシ３６等を挿入し、吸引路３
１の洗浄等を行うことができる。 In this embodiment, the cleaning brush 36 and the like are inserted through the cleaning hole 46 provided in the inner blade 45, and the suction path 3
1 cleaning etc. can be performed.
その他の構成、作用及び効果は、第１実施例と
同様である。 Other configurations, operations, and effects are similar to those of the first embodiment.
第６図は本考案の第４実施例における挿入部の
先端側の断面図である。 FIG. 6 is a sectional view of the distal end side of the insertion portion in the fourth embodiment of the present invention.
本実施例では、軟骨形成用の球状切刃を有する
外科用切除器具の例である。 This example is an example of a surgical cutting instrument having a spherical cutting edge for cartilage formation.
本実施例では、外刃１５の先端側は開口してい
ると共に、側部が切欠かれている。また、この切
欠部５１の後方には、複数の組織吸引孔５２が周
方向に沿つて設けられている。 In this embodiment, the outer cutter 15 has an open end and a notch at the side. Further, behind this notch 51, a plurality of tissue suction holes 52 are provided along the circumferential direction.
一方、内パイプ２３の先端部には、接続部５４
を介して、球状切刃５５が取り付けられている。
この球状切刃５５は、前記外刃１５の先端の開口
部及び側方の切欠部５１より突出している。ま
た、前記内パイプ２３の先端側であつて、前記外
刃１５に形成された組織吸引孔５２よりも後方の
位置には、組織吸引孔５６が設けられている。 On the other hand, a connecting portion 54 is provided at the tip of the inner pipe 23.
A spherical cutting edge 55 is attached via the .
This spherical cutting edge 55 protrudes from the opening at the tip of the outer cutter 15 and the notch 51 on the side. Further, a tissue suction hole 56 is provided on the distal end side of the inner pipe 23 and at a position behind the tissue suction hole 52 formed in the outer blade 15 .
尚、第１実施例と同様に、前記内パイプ１５の
基端部には、スリーブ２６が取り付けられ、この
スリーブ２６には、吸引孔３３と洗浄孔３５とが
設けられている。 As in the first embodiment, a sleeve 26 is attached to the base end of the inner pipe 15, and the sleeve 26 is provided with a suction hole 33 and a cleaning hole 35.
本実施例の外科用切除器具では、球状切刃５５
を組織に当接し、内パイプ２３を介して球状切刃
５５を回転させることにより、組織が切除され
る。前記球状切刃５５により切除された切除片５
８は、外刃１５の組織吸引孔５２及び内パイプ２
３の組織吸引孔５６を経由して、内パイプ２３内
の吸引路３１内に吸引され、体外に排出される。 In the surgical cutting instrument of this embodiment, the spherical cutting blade 55
The tissue is excised by bringing the spherical cutting blade 55 into contact with the tissue and rotating the spherical cutting blade 55 through the inner pipe 23. Cut piece 5 cut by the spherical cutting blade 55
8 is the tissue suction hole 52 of the outer blade 15 and the inner pipe 2
The tissue is suctioned into the suction path 31 in the inner pipe 23 through the tissue suction hole 56 of No. 3, and is discharged from the body.
その他の構成、作用及び効果は、第１実施例と
同様である。 Other configurations, operations, and effects are similar to those of the first embodiment.
尚、本考案は、上記各実施例に限定されず、例
えば、内刃や外刃は種々の形状のものが可能であ
る。また、内管を外管内で摺動させることにより
組織の切除等を行うものでも良いし、内管を固定
し、外管を回転または摺動させるものであつても
良い。 Note that the present invention is not limited to the above-mentioned embodiments, and for example, the inner cutter and the outer cutter can have various shapes. Alternatively, tissue may be removed by sliding the inner tube within the outer tube, or the inner tube may be fixed and the outer tube may be rotated or slid.
［考案の効果］
以上説明したように本考案によれば、内管内の
吸引路と略同軸上に、この吸引路と連通する少な
くとも一つの吸引路洗浄用の孔を設けたので、内
管内の吸引路の詰まり除去や洗浄を容易に確実に
行うことができ、外科用切除器具を清潔な状態に
保つことができるできるという効果がある。[Effects of the invention] As explained above, according to the invention, at least one suction passage cleaning hole is provided approximately coaxially with the suction passage in the inner tube and communicates with the suction passage. This has the effect that the suction path can be easily and reliably unclogged and cleaned, and the surgical resection instrument can be kept clean.
第１図ないし第３図は本考案の第１実施例に係
り、第１図は挿入部の断面図、第２図は洗浄孔よ
り洗浄ブラシを挿入した状態を示す説明図、第３
図は外科用切除器具の全体を示す側面図、第４図
は本考案の第２実施例における挿入部の先端側の
断面図、第５図は本考案の第３実施例における挿
入部の断面図、第６図は本考案の第４実施例にお
ける挿入部の先端側の断面図、第７図は従来の外
科用切除器具において吸引孔より洗浄ブラシを挿
入した状態を示す説明図である。
１……外科用切除器具、３……挿入部、１１…
…外管、１４……切刃、１５……外刃、２１……
内管、２４……切刃、２５……内刃、２６……ス
リーブ、３１……吸引路、３２……開口部、３３
……吸引孔、３５……洗浄孔。
1 to 3 relate to the first embodiment of the present invention, in which FIG. 1 is a sectional view of the insertion part, FIG. 2 is an explanatory view showing the state in which the cleaning brush is inserted from the cleaning hole, and FIG.
The figure is a side view showing the entire surgical cutting instrument, FIG. 4 is a cross-sectional view of the distal end side of the insertion portion in the second embodiment of the present invention, and FIG. 5 is a cross-section of the insertion portion in the third embodiment of the present invention. 6 is a sectional view of the distal end side of the insertion portion in the fourth embodiment of the present invention, and FIG. 7 is an explanatory view showing a state in which a cleaning brush is inserted from the suction hole in a conventional surgical cutting instrument. 1... Surgical resection instrument, 3... Insertion section, 11...
...Outer tube, 14...Cutting blade, 15...Outer blade, 21...
Inner tube, 24... Cutting blade, 25... Inner blade, 26... Sleeve, 31... Suction path, 32... Opening, 33
...Suction hole, 35...Washing hole.
Claims (1)
挿通される内管とを備え、前記内管の先端付近
に、組織の切削、切除を行う刃部が設けられると
共に、 前記内管は、長手方向に延びる吸引路を有し、
前記吸引路の先端は、前記内管の先端付近で開口
し、前記吸引路の基端は、前記内管の基端付近に
設けられた吸引孔により、前記吸引路に対して平
行ではなく所定の角度を持つて開口している外科
用切除器具において、 前記吸引路と略同軸上に、前記吸引路と連通す
る少なくとも一つの吸引路洗浄用の孔を設けたこ
とを特徴とする外科用切除器具。[Claims for Utility Model Registration] An outer tube having an opening near its tip, and an inner tube inserted into the outer tube, and a blade portion for cutting and resecting tissue is provided near the tip of the inner tube. and the inner tube has a suction path extending in the longitudinal direction,
The distal end of the suction path opens near the distal end of the inner tube, and the proximal end of the suction path is not parallel to the suction path but at a predetermined position due to a suction hole provided near the proximal end of the inner tube. A surgical resection instrument having an opening at an angle of , wherein at least one hole for cleaning the suction path is provided substantially coaxially with the suction path and communicates with the suction path. utensils.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11395588U JPH0534645Y2 (en) | 1988-08-29 | 1988-08-29 | |
| DE3906301A DE3906301A1 (en) | 1988-04-28 | 1989-02-28 | Surgical resection instrument |
| US07/633,194 US5123904A (en) | 1988-04-28 | 1990-12-31 | Surgical resecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11395588U JPH0534645Y2 (en) | 1988-08-29 | 1988-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0235718U JPH0235718U (en) | 1990-03-08 |
| JPH0534645Y2 true JPH0534645Y2 (en) | 1993-09-02 |
Family
ID=31354262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11395588U Expired - Lifetime JPH0534645Y2 (en) | 1988-04-28 | 1988-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0534645Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0880310A (en) * | 1994-09-13 | 1996-03-26 | Nisshin Flour Milling Co Ltd | Ovariectomy appliance for mammal |
| JPH105256A (en) * | 1996-06-18 | 1998-01-13 | Nisshin Flour Milling Co Ltd | Ovarium extorpation equipment for mammalia |
-
1988
- 1988-08-29 JP JP11395588U patent/JPH0534645Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0880310A (en) * | 1994-09-13 | 1996-03-26 | Nisshin Flour Milling Co Ltd | Ovariectomy appliance for mammal |
| JPH105256A (en) * | 1996-06-18 | 1998-01-13 | Nisshin Flour Milling Co Ltd | Ovarium extorpation equipment for mammalia |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235718U (en) | 1990-03-08 |
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