JP2004081374A - Instrument for removing sediment in tubular organ - Google Patents

Instrument for removing sediment in tubular organ Download PDF

Info

Publication number
JP2004081374A
JP2004081374A JP2002244476A JP2002244476A JP2004081374A JP 2004081374 A JP2004081374 A JP 2004081374A JP 2002244476 A JP2002244476 A JP 2002244476A JP 2002244476 A JP2002244476 A JP 2002244476A JP 2004081374 A JP2004081374 A JP 2004081374A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
elastic
tip
catheter
tubular organ
wire
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.)
Pending
Application number
JP2002244476A
Other languages
Japanese (ja)
Inventor
Yoshimasa Obayashi
大林 義昌
Original Assignee
Dairin Kk
ダイリン株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Images

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sediment removal instrument that unerringly treats sediment sticking to a tubular organ such as a thrombosis in a blood vessel into a dischargeable state. <P>SOLUTION: The releasing instrument for removing sediment in a tubular organ has an elastic wire or an elastic stick rotatably inserted into a flexible catheter having a necessary thickness and length, the tip of which is closed, a vibrating eccentric weight radially projecting from the shaft center formed in the elastic wire or elastic stick near the tip of the catheter, and a rotation driving means to rotate the elastic wire or elastic stick provided in the base of the elastic wire or the elastic stick. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本願発明は、血管内の血栓、直腸内の宿便、その他種々の管状器官内に付着した堆積物を排出し易い状態に解除する装置に関する。 The present invention, thrombus in a blood vessel, impaction of the rectum, an apparatus for releasing a state easy to discharge deposits Others adhere to various tubular organs.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
従来、例えば、血管内の血栓を剥離する手段として、可撓性カテーテルの先端に合成樹脂、ゴム等の皮膜からなるバルーンを取りつけたバルーンカテーテルが知られており、使用においては、上記バルーンを収縮した状態で血管内の血栓の先まで送りこみ、そこでカテーテルを通じてバルーンに気体又は液体を圧送して血管内面に接する状態に膨脹させ、該膨脹バルーンを引き戻して血栓部分を通過させ、以下これを繰返して血栓を剥離するのである。 Conventionally, for example, as a means of stripping the thrombus in a blood vessel, tip synthetic resin flexible catheter, it is known a balloon catheter fitted with a balloon made of a film of rubber or the like, in use, contracting the balloon infeed in state until the previous thrombus in a blood vessel, where the catheter balloon a gas or a liquid is pumped inflated in a state of contact with the blood vessel inner surface to through, passed through a thrombus portion is pulled back the expansion balloon, following repeated this it is to peel the thrombus Te.
【0003】 [0003]
しかし、従来のバルーンカテーテルは、バルーンの形状がほぼ葉巻状やボール状に限られ、血栓をかき取り易い特殊形状に膨脹させることが不可能であるため、血栓剥離が不十分な場合が多い。 However, conventional balloon catheters, the shape of the balloon is limited to approximately cigar-shaped or ball-shaped, because it is impossible to expand the easy special shape scraped thrombus, when a thrombus peeling is insufficient in many cases.
【0004】 [0004]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
本願発明は、血管内の血栓等の管状器官内の付着堆積物を排出し易い状態に確実に処理することのできる堆積物解除装置を提供することを課題とする。 The present invention aims to provide a deposit releasing device which can be reliably processed in state easy to discharge the adhered deposits within the tubular organ such as thrombus in the blood vessel.
【0005】 [0005]
【課題を達成するための構成】 [Configuration for achieving the task]
上記課題を達成するため、本願発明は、環状器官内の堆積物に振動を作用させる方式を採用し、それに基づき本願第1発明は、 To achieve the above object, the present invention employs a method for applying a vibration to deposits in the annular organ, the first invention of the present application on the basis of it,
所要の太さ及び長さを有する先端閉塞の可撓性カテーテル内に、弾性線もしくは弾性棒を回転自在に挿通し、上記弾性線もしくは弾性棒のカテーテル先端近くに、軸心から半径方向へ張り出す振動用偏心重りを形成し、 A flexible catheter tip occlusion with the required thickness and length, span the elastic wire or elastic rod rotatably inserted, the catheter tip near the elastic wire or elastic rod, the shaft center radially the vibrating eccentric weight issuing formed,
上記弾性線もしくは弾性棒の手元基端部に、該弾性線もしくは弾性棒を回転させるべき回転駆動手段を設けた、 A proximal base end portion of the elastic wire or elastic rod provided with a rotary drive means to rotate the elastic line or elastic rod,
管状器官内の堆積物解除装置を提案し、 Proposed a deposit canceling device within the tubular organ,
【0006】 [0006]
また本願第2発明は、 Second invention also,
上記第1発明における可撓性カテーテルの先端部分周壁に薬液放出用小孔を設けた管状器官内の堆積物解除装置を提案し、 Proposed a deposit canceling device within the tubular organ in which a drug solution discharge for small holes in the tip portion wall of the flexible catheter in the first invention,
【0007】 [0007]
さらに本願第3発明は、 Further the third aspect invention,
上記第1又は第2の発明における可撓性カテーテルに、先端部分周壁に薬液放出用小孔を有する可撓性液密性材料からなる筒状カバーを着脱自在に被装した、、管状器官内の堆積物解除装置を提案する。 The flexible catheter in the first or second aspect of the invention, ,, tubular organs covered state detachably flexible solution cylindrical cover made of a dense material having a chemical-releasing small hole in the tip section wall Suggest of sediment release device.
【0008】 [0008]
本願発明における上記「可撓性カテーテル」及び「可撓性液密性筒状カバー」には、ポリウレタン系、ポリエチレン系、ポリアミド系等の柔軟合成樹脂チューブ、上記チューブの内周に弾性金属もしくは超弾性金属の線をらせん状に巻装したもの、上記チューブに弾性金属もしくは超弾性金属の線のネットを内装又は埋設したもの、その他種々のものが使用される。 To the "flexible catheter" and "flexible liquid-tightness cylindrical cover" in the present invention, polyurethane, polyethylene, flexible synthetic resin tube of polyamide or the like, or an elastic metal on the inner periphery of the tube super that the lines of elastic metal wound in a spiral shape, those decorated or embedded resilient metal or wire net of a superelastic metal to the tube, others various are used.
【0009】 [0009]
また、上記偏心重りを有する「弾性線もしくは弾性棒」には、弾性金属、超弾性合金、弾性合成樹脂等の線もしくは棒の直線状態のもの、らせん状に巻いたコイルスプリング状のものがある。 Further, the "elastic wire or elastic rod" having the eccentric weight, the elastic metal, superelastic alloy, those of the linear state of the line or bar, such as elastic synthetic resin, there is a coil spring-like wound spirally .
【0010】 [0010]
上記弾性金属としては、ステンレス鋼、ニッケル−チタン合金等が使用され、また上記超弾性金属としては、Ti−Ni系、Cu−Zn系、Ti−Al系、Cu−Zn−X(X=Be、Si、Sn、Al、Ga)が使用され。 Examples of the elastic metal, stainless steel, nickel - titanium alloy or the like is used, also the Examples superelastic metal, Ti-Ni system, Cu-Zn-based, Ti-Al-based, Cu-Zn-X (X = Be , Si, Sn, Al, Ga) is used.
【0011】 [0011]
さらに、上記「振動用偏心重り」とは、弾性線もとくは弾性棒の一部をクランク状に屈曲したもの、上記クランクにおけるクランクピンに相当する部分に合成樹脂、金属等を付加したもの、その他上記線もしくは棒の軸心から適宜偏心位置に配置した重りである。 Furthermore ones, The "vibration eccentric weight" is intended the solve also elastic wire which is bent a part of the elastic bar in a crank shape, obtained by adding a portion of synthetic resin, metal or the like that corresponds to the crank pin of the crank, other is a weight disposed on the shaft center suitable eccentric position of the line or bar.
【0012】 [0012]
なお、上記「回転駆動手段」には、電動機、エアエンジン等の機械的駆動手段のほか、手回し等の手動式駆動手段も使用される。 Note that the "rotation drive means" electric motor, in addition to the mechanical drive means such as an air engine, manual drive means cranked like are used.
以下図面を参照して本願発明の実施例について説明する。 With reference to the drawings will be described embodiments of the present invention.
【0013】 [0013]
【実施例】 【Example】
図1、2は血管内の血栓解除装置に実施した例で、可撓性カテーテル(1)は、ポリウレタン製の外径約1.1mmの長いサブカテーテル(1a)に、同材質の外径約0.8mmで先端閉塞の長いメインカテーテル(1b)を継ぎ足すと共に、その内周面に、Ti−Ni系超弾性金属からなる直径約0.08mmの可撓性補強金属線(2)を小ピッチのらせん状に巻装したもので、このカテーテル(1)内に、ステンレス鋼からなる直径約0.1mmの弾性線(3)を回転自在に挿通し、該カテーテル(1)及び弾性線(3)の手元基端部に、該弾性線(3)を回転させるための回転駆動装置(4)を接続してある。 1 and 2 in the example was carried thrombus release device in a blood vessel, a flexible catheter (1) is a long sub catheter of an outer diameter of about 1.1mm made of polyurethane (1a), the outer diameter of the same material small with subjoin long main catheter tipped occlusion (1b) in 0.8 mm, on the inner peripheral surface thereof, a flexible reinforcing metal wire having a diameter of approximately 0.08mm made of Ti-Ni-based super-elastic metal (2) which was wound around the spiral pitch, the catheter (1) within a stainless steel having a diameter of about 0.1mm of the elastic wire (3) is rotatably inserted, said catheter (1) and the elastic line ( a proximal base end portion of the 3), is connected a rotary drive for rotating elastic line (3) to (4).
【0014】 [0014]
上記メインカテーテル(1b)の先端部分においては、上記弾性線(3)の先端からやや後部をクランク状に屈曲して振動用偏心重り(5)を形成し、また補強金属線(2)のらせんピッチを大きくして線間隔を広げると共に、カテーテル(1b)に薬液放出小孔(6)…を開設してある。 In the tip portion of the main catheter (1b), spiral bent slightly to the rear in a crank shape from the tip of the elastic wire (3) to form a vibration eccentric weight (5), also a reinforcing metal wire (2) with widening the line spacing by increasing the pitch, it is opened a chemical release small holes (6) ... the catheter (1b). (7)、(7)は、上記先端部分の前後両側部に嵌着したプラチナ等からなるリング状X線不透過マーカーである。 (7), (7) is a ring-shaped X-ray opaque markers consisting fitted with platinum or the like on both front and rear sides of the tip section.
【0015】 [0015]
上記回転駆動装置(4)は次のようである。 It said rotary drive unit (4) is as follows. 図1に示すように、ケース(8)内に小型モータ(9)及びそれと接続された乾電池(10)を内装すると共に、上記電源回路に、電圧調整によりモータ(9)の回転数を変更する可変抵抗器(11)を接続し、このケース(8)のノズル(12)の先端部に上記サブカテーテル(1a)の基端部を固着すると共に、上記弾性線(3)の基端部を、上記ノズル(12)の後端部に設けたシール部(13)を貫通してケース(8)内に導き、そこで上記モータ(9)の出力軸(14)にジョイント(15)により接続してある。 As shown in FIG. 1, as well as interior case (8) small motor (9) and therewith connected batteries (10) in, to the power circuit, changing the rotational speed of the motor (9) by a voltage regulator connect the variable resistor (11), while anchoring the proximal end portion of the nozzle (12) the sub catheter tip of (1a) of the case (8), the proximal end of the elastic wire (3) , led to the sealing portion provided on the rear end through the (13) within the case (8) of the nozzle (12), where connected by a joint (15) to the output shaft of the motor (9) (14) and Aru. (16)は電源スイッチである。 (16) is a power switch.
【0016】 [0016]
(17)は上記ノズル(12)からY字状に分岐した薬液注入口で、これに接続された管(18)を通じて圧入される薬液がノズル(12)を経てカテーテル(1)内へ送られ、そしてメインカテーテル(1b)先端部の放出小孔(6)…から外部へ放出されるようにしてある。 (17) is a chemical inlet branched from the nozzle (12) to the Y-shaped, the chemical liquid is pressed through this to the connected tube (18) is sent to via the nozzle (12) the catheter (1) in and are to be discharged from the discharge pores of the main catheter (1b) tip (6) ... to the outside.
【0017】 [0017]
上例の作用を次に説明する。 Next a description will be given of the operation of the above example. カテーテル(1)を血管内へ徐々に押しこみ、その先端部分を血管内に付着堆積する血栓に接しうる位置まで挿入する。 Push gradually catheter (1) into the blood vessel, it is inserted to a position which may contact the thrombus adhering depositing the tip portion within the vessel. そこで、回転駆動装置(4)の電源スイッチ(16)を入れ、可変抵抗器(11)の操作によりモータ(9)を所要回転数で回転させ、それにより弾性線(3)を同じく回転させると、その先端部の偏心重り(5)が回転して該弾性線(3)先端部分を首振り回転振動させ、それによりメインカテーテル(1b)先端部分も首振り回転振動を行い、この振動するカテーテル先端部分で血管内に付着堆積する血栓を破砕し、剥離していく。 Accordingly, power switch (16) of the rotary drive unit (4), variable resistor (11) of the motor (9) is rotated at a required rotational speed by the operation of the thus also rotating the elastic line (3) the catheter eccentric weight at the tip portion (5) is rotated elastic wire (3) the tip portion by oscillating the rotation vibration, whereby the main catheter (1b) the tip portion also performs a swinging rotational vibration, which the vibration crushed thrombus adhering deposits into a blood vessel at the distal end portion, gradually peeled off.
【0018】 [0018]
必要により、血栓溶解液を管(18)、薬液注入口(17)を経てカテーテル(1)内に圧送し、先端部分の放出小孔(6)…から血栓堆積部に放射し、剥離しにくい血栓、硬い血栓をそれぞれ処理する。 If necessary, the thrombolytic fluid tube (18), through chemical inlet (17) and pumped into the catheter (1), emits the release stoma (6) ... thrombus deposition portion from the tip portion, hardly peeled thrombosis, treating hard thrombosis, respectively.
【0019】 [0019]
図3は血管内の血栓解除装置の他の実施例で、弾性線(33)先端部の2部分をクランク状に屈曲すると共に屈曲部に金属チップを付着してなる偏心重り(35)、(35)を形成すると共に、該弾性線(33)における偏心重り(35)、(35)の前後両側位置に、同図(ロ)に示すような弾性合成樹脂製の菊形軸受(49)…を回転自在に被嵌し、このような弾性線(33)を、らせん状補強金属線を除いた可撓性カテーテル(31)内に回転自在に挿入し、さらにメインカテーテル(31b)の先端部分外周面に母線方向の突条(50)…を形成し、他の構造は図1、2と実質的に同一である。 Figure 3 is a further embodiment of thrombus releasing device in a blood vessel, elastic wire (33) a second portion of the tip portion formed by depositing a metal tip bent portion while cranked eccentric weight (35), ( to form a 35), elastic line (33) eccentric weight in (35), (a front and rear side position of 35), FIG (made of elastic synthetic resin, as shown in b) chrysanthemum-shaped bearing (49) ... and fitted rotatably to the tip portion of such elastic wire (33), and rotatably inserted in a spiral shape reinforcing metal lines except flexible catheter (31) within the further main catheter (31b) the outer peripheral surface forms the generatrix direction of the ridges (50) ..., the other structure is substantially the same as FIGS. なお図中、(51)…は、菊形軸受け(49)…をはさんで弾性線(33)に被着された抜け止めリングである。 Note in the figure, (51) ... is a retaining ring which is applied to the elastic line (33) across a chrysanthemum-shaped bearing (49) ....
【0020】 [0020]
本例によれば、メインカテーテル(31b)の突条(50)…により血栓の破砕、剥離作用が向上する。 According to this embodiment, ridges (50) ... by crushing thrombus main catheter (31b), thereby improving exfoliation.
【0021】 [0021]
図4は直腸内の宿便解除装置に実施した例で、可撓性カテーテル(61)はポリアミド樹脂製の外径約10mm、長さ約300mmで、その先端にやや大径のヘッド(82)を連設すると共に、該ヘッド(82)の外周面に多数の母線方向溝(83)…を形成してあり、また弾性棒(63)は直径約1.5mmのピアノ線からなり、その先端部分に偏心重り(65)を設けると共に弾性棒(63)先端部を上記ヘッド(82)の軸受孔(84)支持させ、このようなカテーテル(61)に、ポリアミド樹脂製で外径約20mm、長さ約300mmの円筒状カバー(85)を被装すると共に、カバー(85)基端部分(87)を回転駆動装置のノズル(72)に液密に被着し、該カバー(85)の先端には薬液放出用小孔(66)を、基端部に Figure 4 is an example embodying the impaction release device in the rectum, a flexible catheter (61) is an outer diameter of about 10mm made of polyamide resin, a length of about 300 mm, a slightly larger diameter of the head (82) at its front end while continuously arranged, a large number of Yes forms a generatrix direction groove (83) ... and the elastic rod (63) consists of piano wire having a diameter of about 1.5 mm, the tip portion thereof to the outer peripheral surface of the head (82) an elastic rod (63) tip into the bearing hole (84) supporting the head (82) provided with an eccentric weight (65) to, in such a catheter (61), an outer diameter of about 20mm made polyamide resin, long is thereby covered state the cylindrical cover (85) of about 300 mm, the tip of the cover (85) is deposited a proximal portion (87) fluid-tightly on the nozzle of the rotary drive (72), the cover (85) a small hole (66) for chemical release to, the proximal end portion 液注入用管(86)をそれぞれ設け、他の構造は図1と実質的に同一である。 Provided the liquid injection pipe (86) respectively, the other structure is substantially the same as FIG.
【0022】 [0022]
カバー(85)を肛門から直腸内に挿入し、モータの始動により弾性棒(63)を回転させると共に、便軟化液を放出小孔(66)から腸内に放射すれば、カバー(85)の先端部分の首振り回転振動により便を撹拌しつつ軟化液により宿便を軟化させ、それにより排便可能にする。 Insert cover (85) into the rectum from the anus, to rotate the elastic rod (63) by the starting of the motor, a stool softening fluid discharged from the small hole (66) if emitted into the intestine, the cover (85) impaction softened by softening solution with stirring flights by oscillating rotational vibration of the tip portion, thereby allowing defecation. 使用後は筒状カバー(85)を、その基端部(87)をノズル(72)から外して可撓性カテーテル(61)から離脱した後十分洗浄して繰り返し使用する。 After use the tubular cover (85), repeatedly used sufficiently washed after detached from the flexible catheter (61) remove the base portion (87) from the nozzle (72).
【0023】 [0023]
上記薬液は上例のほか、潤滑液、管状器官内壁面の保護液もしくは治療液、その他種々のものが使用される。 The chemical solution other above example, the lubricating liquid, the protective liquid or the treatment liquid of the tubular organ within the wall, those of other various used.
【0024】 [0024]
【発明の効果】 【Effect of the invention】
本願請求項1の発明によれば、回転駆動手段により弾性線もしくは弾性棒を回転させることにより、管状器官内に挿入された可撓性カテーテルの先端部分に首振り回転振動を生起させることができ、この振動により血管内の血栓、直腸内の宿便等の管状器官内の付着堆積物を破砕、剥離、撹拌せしめて排出し易い状態に確実に解除することができるのである。 According to the invention of claim 1, by rotating the elastic wire or elastic rod by rotation driving means, it is possible to raise an oscillating rotational vibration to the inserted distal end portion of the flexible catheter into a tubular organ , thrombus in the blood vessel by the vibration, crushing the deposited sediments within the tubular organ impaction or the like in the rectum, peeling, it can be released reliably in the state easy to discharged allowed to stir.
【0025】 [0025]
本願請求項2の発明によれば、可撓性カテーテル先端部分の薬液放出用小孔から所要の薬液を放出することにより、上記の付着堆積物解除作用をさらに有効に、または安全に遂行することができるのである。 According to the invention of claim 2, by releasing the flexible tip section of the required chemical from small holes for chemical release, the more effective the adhesion deposits releasing action of the above or be safely performed, but they can.
【0026】 [0026]
本願請求項3の発明によれば、可撓性カテーテルにさらに可撓性液密性筒状カバーを着脱自在に被装したから、特に肛門から直腸内への挿入が容易となり、しかも使用後筒状カバーを可撓性カテーテルから外して洗浄することにより繰り返し使用することができるのである。 According to the invention of claim 3, because the more flexible catheter flexible liquid-tightness cylindrical cover and removably covered state, becomes particularly easy insertion of the anus into the rectum, moreover used after cylindrical it can be used repeatedly by washing to remove the Jo cover from the flexible catheter.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】本願発明による血管内の血栓解除装置の一部切欠省略全体図である。 1 is a partially cut-away omitted overall view of a thrombus releasing device in a blood vessel according to the present invention.
【図2】(イ)メインカテーテル先端部分の一部縦断側面図である。 Figure 2 (a) is a partial longitudinal sectional side view of the main catheter tip section.
(ロ)(イ)図のA−A線拡大断面図である。 (B) is an A-A line enlarged sectional view of (A) and FIG.
【図3】(イ)血管内血栓解除装置の他の実施例のメインカテーテル先端部分の一部縦断面側面図である。 [3] (a) it is a part longitudinal sectional side view of the main catheter tip portion of another embodiment of an intravascular thrombus release device.
(ロ)(イ)図のB−B線拡大断面図である。 (B) a B-B line enlarged cross-sectional view of (A) and FIG.
【図4】(イ)直腸宿便解除装置の円筒状カバー部分の一部縦断側面図である。 [4] (a) is a partial longitudinal sectional side view of the cylindrical cover portion of the rectal impaction release device.
(ロ)(イ)図のC−C線拡大断面図である。 (B) a line C-C enlarged sectional view of (A) and FIG.
【符号の説明】 DESCRIPTION OF SYMBOLS
1、31、61 可撓性カテーテル3、33 弾性線63 弾性棒5、35、65 偏心重り6、36、66 薬液放出小孔9 モータ85 円筒状カバー 1,31,61 flexible catheter 3,33 elastic wire 63 elastic rods 5,35,65 eccentric weight 6,36,66 chemical release small hole 9 motor 85 cylindrical cover

Claims (3)

  1. 所要の太さ及び長さを有する先端閉塞の可撓性カテーテル内に、弾性線もしくは弾性棒を回転自在に挿通し、上記弾性線もしくは弾性棒のカテーテル先端近くに、軸心から半径方向へ張り出す振動用偏心重りを形成し、 A flexible catheter tip occlusion with the required thickness and length, span the elastic wire or elastic rod rotatably inserted, the catheter tip near the elastic wire or elastic rod, the shaft center radially the vibrating eccentric weight issuing formed,
    上記弾性線もしくは弾性棒の手元基端部に、該弾性線もしくは弾性棒を回転させるべき回転駆動手段を設けた、 A proximal base end portion of the elastic wire or elastic rod provided with a rotary drive means to rotate the elastic line or elastic rod,
    管状器官内の堆積物解除装置。 Deposit releasing device in the tubular organ.
  2. 上記可撓性カテーテルの先端部分周壁に薬液放出用小孔を設けた、請求項1に記載の管状器官内の堆積物解除装置。 Provided a chemical release for small holes in the tip portion peripheral wall of the flexible catheter, sediment releasing device within the tubular organ according to claim 1.
  3. 上記可撓性カテーテルに、先端部分周壁に薬液放出用小孔を有する可撓性液密性材料からなる筒状カバーを着脱自在に被装した、請求項1又は2に記載の管状器官内の堆積物解除装置。 The said flexible catheter, a cylindrical cover made of a flexible liquid-tight material having a chemical-releasing small hole in the tip section wall and removably covered state, within the tubular organ according to claim 1 or 2 sediment release device.
JP2002244476A 2002-08-26 2002-08-26 Instrument for removing sediment in tubular organ Pending JP2004081374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002244476A JP2004081374A (en) 2002-08-26 2002-08-26 Instrument for removing sediment in tubular organ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002244476A JP2004081374A (en) 2002-08-26 2002-08-26 Instrument for removing sediment in tubular organ

Publications (1)

Publication Number Publication Date
JP2004081374A true true JP2004081374A (en) 2004-03-18

Family

ID=32052921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002244476A Pending JP2004081374A (en) 2002-08-26 2002-08-26 Instrument for removing sediment in tubular organ

Country Status (1)

Country Link
JP (1) JP2004081374A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006101170A1 (en) * 2005-03-24 2006-09-28 Yamaguchi University Stirring device and catheter
JP2007505700A (en) * 2003-09-17 2007-03-15 ボストン サイエンティフィック リミテッド Embolus extractor
US8888788B2 (en) 2012-08-06 2014-11-18 Shockwave Medical, Inc. Low profile electrodes for an angioplasty shock wave catheter
US8956374B2 (en) 2008-06-13 2015-02-17 Shockwave Medical, Inc. Shockwave balloon catheter system
US9005216B2 (en) 2012-09-13 2015-04-14 Shockwave Medical, Inc. Shockwave catheter system with energy control
US9011463B2 (en) 2012-06-27 2015-04-21 Shockwave Medical, Inc. Shock wave balloon catheter with multiple shock wave sources
JP2015512664A (en) * 2012-02-16 2015-04-30 ヴァイブラント リミテッド GIC
US9044619B2 (en) 2008-11-05 2015-06-02 Shockwave Medical, Inc. Shockwave valvuloplasty catheter system
US9072534B2 (en) 2008-06-13 2015-07-07 Shockwave Medical, Inc. Non-cavitation shockwave balloon catheter system
JP2015142849A (en) * 2009-10-14 2015-08-06 国立大学法人 名古屋工業大学 Insertion device and training device
US9138249B2 (en) 2012-08-17 2015-09-22 Shockwave Medical, Inc. Shock wave catheter system with arc preconditioning
US9180280B2 (en) 2008-11-04 2015-11-10 Shockwave Medical, Inc. Drug delivery shockwave balloon catheter system
US9220521B2 (en) 2012-08-06 2015-12-29 Shockwave Medical, Inc. Shockwave catheter
US9289224B2 (en) 2011-11-08 2016-03-22 Shockwave Medical, Inc. Shock wave valvuloplasty device with moveable shock wave generator
US9522012B2 (en) 2012-09-13 2016-12-20 Shockwave Medical, Inc. Shockwave catheter system with energy control
US9730715B2 (en) 2014-05-08 2017-08-15 Shockwave Medical, Inc. Shock wave guide wire

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007505700A (en) * 2003-09-17 2007-03-15 ボストン サイエンティフィック リミテッド Embolus extractor
WO2006101170A1 (en) * 2005-03-24 2006-09-28 Yamaguchi University Stirring device and catheter
US9011462B2 (en) 2008-06-13 2015-04-21 Shockwave Medical, Inc. Shockwave balloon catheter system
US8956374B2 (en) 2008-06-13 2015-02-17 Shockwave Medical, Inc. Shockwave balloon catheter system
US8956371B2 (en) 2008-06-13 2015-02-17 Shockwave Medical, Inc. Shockwave balloon catheter system
US9072534B2 (en) 2008-06-13 2015-07-07 Shockwave Medical, Inc. Non-cavitation shockwave balloon catheter system
US10039561B2 (en) 2008-06-13 2018-08-07 Shockwave Medical, Inc. Shockwave balloon catheter system
US9180280B2 (en) 2008-11-04 2015-11-10 Shockwave Medical, Inc. Drug delivery shockwave balloon catheter system
US9421025B2 (en) 2008-11-05 2016-08-23 Shockwave Medical, Inc. Shockwave valvuloplasty catheter system
US9044619B2 (en) 2008-11-05 2015-06-02 Shockwave Medical, Inc. Shockwave valvuloplasty catheter system
US9044618B2 (en) 2008-11-05 2015-06-02 Shockwave Medical, Inc. Shockwave valvuloplasty catheter system
JP2015142849A (en) * 2009-10-14 2015-08-06 国立大学法人 名古屋工業大学 Insertion device and training device
US9814476B2 (en) 2011-11-08 2017-11-14 Shockwave Medical, Inc. Shock wave valvuloplasty device with moveable shock wave generator
US9289224B2 (en) 2011-11-08 2016-03-22 Shockwave Medical, Inc. Shock wave valvuloplasty device with moveable shock wave generator
JP2015512664A (en) * 2012-02-16 2015-04-30 ヴァイブラント リミテッド GIC
US9993292B2 (en) 2012-06-27 2018-06-12 Shockwave Medical, Inc. Shock wave balloon catheter with multiple shock wave sources
US9642673B2 (en) 2012-06-27 2017-05-09 Shockwave Medical, Inc. Shock wave balloon catheter with multiple shock wave sources
US9011463B2 (en) 2012-06-27 2015-04-21 Shockwave Medical, Inc. Shock wave balloon catheter with multiple shock wave sources
US9433428B2 (en) 2012-08-06 2016-09-06 Shockwave Medical, Inc. Low profile electrodes for an angioplasty shock wave catheter
US9220521B2 (en) 2012-08-06 2015-12-29 Shockwave Medical, Inc. Shockwave catheter
US8888788B2 (en) 2012-08-06 2014-11-18 Shockwave Medical, Inc. Low profile electrodes for an angioplasty shock wave catheter
US9138249B2 (en) 2012-08-17 2015-09-22 Shockwave Medical, Inc. Shock wave catheter system with arc preconditioning
US9333000B2 (en) 2012-09-13 2016-05-10 Shockwave Medical, Inc. Shockwave catheter system with energy control
US9522012B2 (en) 2012-09-13 2016-12-20 Shockwave Medical, Inc. Shockwave catheter system with energy control
US9005216B2 (en) 2012-09-13 2015-04-14 Shockwave Medical, Inc. Shockwave catheter system with energy control
US9730715B2 (en) 2014-05-08 2017-08-15 Shockwave Medical, Inc. Shock wave guide wire

Similar Documents

Publication Publication Date Title
US5571086A (en) Method and apparatus for sequentially performing multiple intraluminal procedures
US4976711A (en) Ablation catheter with selectively deployable electrodes
US5402790A (en) Intravascular catheter having combined imaging abrasion head
US6695858B1 (en) Medical device and methods for use
US5830127A (en) Method and apparatus for cleaning endoscopes and the like
US5507795A (en) Catheter with perfusion system
US5728123A (en) Balloon actuated catheter
US20050101836A1 (en) Medical guide wire
US4907572A (en) Vibrational method for accelerating passage of stones from ureter
US20080147162A1 (en) Apparatus and methods for delivery of braided prostheses
US20030199889A1 (en) Ablation burr
US5011490A (en) Endoluminal tissue excision catheter system and method
US6482215B1 (en) Adjustable vessel cleaner and method
US6716230B2 (en) Vessel and lumen expander attachment for use with an electromechanical driver device
US6319242B1 (en) Apparatus and method for controlled removal of stenotic material from stents
EP0688545A1 (en) Indwelling stent and the method for manufacturing the same
US4870953A (en) Intravascular ultrasonic catheter/probe and method for treating intravascular blockage
US5897567A (en) Expandable intravascular occlusion material removal devices and methods of use
US5904698A (en) Surgical shaving device for use within body conduits
US20050149110A1 (en) Vascular catheter with an expandable section and a distal tip for delivering a thromboembolic protection device and method of use
US5643298A (en) Intra-artery obstruction clearing apparatus and methods
US20020087100A1 (en) Medical guide wire
US5176638A (en) Regional perfusion catheter with improved drug delivery control
US5417703A (en) Thrombectomy devices and methods of using same
US5836868A (en) Expandable intravascular occlusion material removal devices and methods of use

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050802

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20051115