JP2001104490A - Atomizer for endoscope - Google Patents
Atomizer for endoscopeInfo
- Publication number
- JP2001104490A JP2001104490A JP28532899A JP28532899A JP2001104490A JP 2001104490 A JP2001104490 A JP 2001104490A JP 28532899 A JP28532899 A JP 28532899A JP 28532899 A JP28532899 A JP 28532899A JP 2001104490 A JP2001104490 A JP 2001104490A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- endoscope
- chamber
- rotating chamber
- rotating
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/006—Sprayers or atomisers specially adapted for therapeutic purposes operated by applying mechanical pressure to the liquid to be sprayed or atomised
- A61M11/007—Syringe-type or piston-type sprayers or atomisers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00091—Nozzles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
- B05B1/046—Outlets formed, e.g. cut, in the circumference of tubular or spherical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
- B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
- B05B1/265—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors the liquid or other fluent material being symmetrically deflected about the axis of the nozzle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
- B05B1/3447—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a cylinder having the same axis as the outlet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
- A61M2206/14—Static flow deviators in tubes disturbing laminar flow in tubes, e.g. archimedes screws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/1064—Large intestine
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Endoscopes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、体腔内に液体を
噴霧するために内視鏡の処置具挿通チャンネルに挿通し
て使用される内視鏡用噴霧具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sprayer for an endoscope which is used by being inserted into a treatment tool insertion channel of an endoscope to spray a liquid into a body cavity.
【０００２】[0002]
【従来の技術】図８は従来の内視鏡用噴霧具を示してお
り、内視鏡の処置具挿通チャンネルに挿脱される可撓性
の送液管９１の先端開口部に、外周面に螺旋溝９３が形
成されたスクリュー体９２が配置されている。2. Description of the Related Art FIG. 8 shows a conventional spray device for an endoscope. An outer peripheral surface is provided at a distal end opening of a flexible liquid feeding pipe 91 which is inserted into and removed from a treatment tool insertion channel of the endoscope. A screw body 92 in which a spiral groove 93 is formed is disposed.
【０００３】螺旋溝９３の外面を塞ぐ状態にスクリュー
体９２に被せられた先端キャップ９４の内側には、送液
管９１から螺旋溝９３を通ってその先端から放出された
液体が軸線周りに回転をするように、スクリュー体９２
の先端面との間に液体回転室９５が形成されている。[0003] Inside the tip cap 94 covered by the screw body 92 so as to cover the outer surface of the spiral groove 93, the liquid discharged from the tip through the spiral groove 93 from the liquid feed pipe 91 rotates around the axis. Screw body 92
A liquid rotating chamber 95 is formed between the liquid rotating chamber 95 and the front end surface of the liquid rotating chamber 95.
【０００４】液体回転室９５の先端面の中心位置には噴
出孔９６が形成されており、さらに液体回転室９５の外
周壁には、周方向に間隔をあけて複数の側孔９７が穿設
されている。An ejection hole 96 is formed at the center of the tip surface of the liquid rotation chamber 95, and a plurality of side holes 97 are formed in the outer peripheral wall of the liquid rotation chamber 95 at intervals in the circumferential direction. Have been.
【０００５】このような構成により、送液管９１を通っ
て後方から送られてきた薬液や色素液等のような液体
が、噴出孔９６から前方へある程度の広がりをもって噴
霧されるのと同時に、側孔９７から側方に向かって散布
される。With such a configuration, a liquid such as a chemical solution or a dye solution sent from the rear through the liquid sending pipe 91 is sprayed from the ejection holes 96 forward to a certain extent, and at the same time. It is sprayed from the side hole 97 toward the side.
【０００６】[0006]
【発明が解決しようとする課題】しかし、その側方への
散布状態は、図９に示されるように単純な噴出流であ
り、側方に向かって放射状にまんべんなく噴霧すること
はできない。そのため、経内視鏡的に例えば大腸等のよ
うな管腔壁に対して液体を一様に噴霧するのは困難であ
った。However, the state of spraying to the side is a simple jet flow as shown in FIG. 9, and cannot be sprayed radially evenly toward the side. For this reason, it has been difficult to uniformly spray a liquid onto a lumen wall such as the large intestine or the like endoscopically.
【０００７】そこで本発明は、経内視鏡的に大腸の内壁
面等のような管腔壁に対して液体を一様に噴霧すること
ができる内視鏡用噴霧具を提供することを目的とする。Accordingly, an object of the present invention is to provide an endoscope sprayer capable of uniformly spraying a liquid onto a lumen wall such as an inner wall surface of a large intestine in a transendoscopic manner. And
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の内視鏡用噴霧具は、送液管を通ってその先
端に配置された回転案内溝を通過した液体が、回転案内
溝の先側に形成された液体回転室内で中心軸線周りに回
転し、液体回転室から拡散しながら放出されるようにし
た内視鏡用噴霧具において、液体回転室の前方を遮蔽壁
によって塞ぐと共に、液体回転室の外周壁部分にその全
周にわたる環状の液体噴出口を形成したものである。In order to achieve the above object, an endoscope spray device according to the present invention is directed to a liquid spraying device, in which a liquid passing through a liquid supply pipe and passing through a rotation guide groove disposed at the tip thereof is rotated. In an endoscope spray device that rotates around a central axis in a liquid rotation chamber formed on the front side of a guide groove and is discharged while diffusing from the liquid rotation chamber, a front wall of the liquid rotation chamber is shielded by a shielding wall. In addition to the closing, an annular liquid ejection port is formed on the outer peripheral wall portion of the liquid rotating chamber over the entire circumference.
【０００９】なお、液体噴出口が、液体回転室の側方に
向けて開口形成されていてもよく、液体回転室の斜め前
方に向けて開口形成されていてもよい。The liquid ejection port may be formed to open toward the side of the liquid rotation chamber, or may be formed to open obliquely forward of the liquid rotation chamber.
【００１０】[0010]
【発明の実施の形態】図面を参照して本発明の実施の形
態を説明する。図２は、本発明の第１の実施の形態の内
視鏡用噴霧具を示しており、先端ノズル１が、図示され
ていない内視鏡の処置具挿通チャンネルに挿脱自在な例
えば四フッ化エチレン樹脂製の可撓性チューブからなる
送液管２の先端に取り付けられている。Embodiments of the present invention will be described with reference to the drawings. FIG. 2 shows an endoscope spray device according to a first embodiment of the present invention, for example, a four-height nozzle in which a distal end nozzle 1 can be inserted into and removed from a treatment tool insertion channel of an endoscope (not shown). It is attached to the distal end of a liquid sending pipe 2 made of a flexible tube made of ethylene fluoride resin.
【００１１】送液管２の基端に接続された注入口金３に
は、図示されていない注射筒等を接続することができ、
薬液や色素液等を送液管２内を通って先端ノズル１へ送
り込むことができる。A syringe (not shown) or the like can be connected to the inlet 3 connected to the base end of the liquid feed pipe 2.
A chemical solution, a dye solution, or the like can be sent to the tip nozzle 1 through the inside of the liquid sending pipe 2.
【００１２】図１は先端ノズル１の構造を示しており、
ノズル本体１１の後端部分の外周面に形成された雄ネジ
部１３が送液管２の先端にねじ込み接着されて、ノズル
本体１１が送液管２の先端に連結固着されている。FIG. 1 shows the structure of the tip nozzle 1.
A male screw portion 13 formed on the outer peripheral surface of the rear end portion of the nozzle body 11 is screwed and adhered to the tip of the liquid feed pipe 2, and the nozzle body 11 is connected and fixed to the tip of the liquid feed pipe 2.
【００１３】ノズル本体１１の後半部分には、後端面に
開口して送液管２内に連通する流路孔１４が形成されて
おり、ノズル本体１１の中間部分の外周面に形成された
円周溝２２と流路孔１４とが、連通孔２３を介して連通
している。In the rear half portion of the nozzle body 11, a flow passage hole 14 opening to the rear end face and communicating with the liquid feed pipe 2 is formed, and a circle formed on the outer peripheral surface of an intermediate portion of the nozzle body 11 is formed. The circumferential groove 22 and the flow path hole 14 communicate with each other through the communication hole 23.
【００１４】ノズル本体１１の外周面には、円周溝２２
に連通してその先側に斜行溝２１（回転案内溝）が形成
されている。斜行溝２１は、後方から斜め内側に向けて
形成され、図３に示されるように、偏向して斜め向きに
軸線から外れて形成されている。A circumferential groove 22 is formed on the outer peripheral surface of the nozzle body 11.
And a skew groove 21 (rotation guide groove) is formed at the leading end thereof. The oblique groove 21 is formed obliquely inward from the rear, and is deflected obliquely off the axis as shown in FIG.
【００１５】ノズル本体１１の外周面を囲んで外装筒１
６が被せられており、それによって円周溝２２と斜行溝
２１の外面が塞がれている。斜行溝２１は、この実施の
形態においては１８０°対称に二つ設けられているが、
三つ以上設けてもよく、一つでも差し支えない。The outer cylinder 1 surrounds the outer peripheral surface of the nozzle body 11.
6 covers the outer surfaces of the circumferential groove 22 and the oblique groove 21. In this embodiment, two skew grooves 21 are provided 180 ° symmetrically,
Three or more may be provided, and one may be provided.
【００１６】斜行溝２１の先端は液体回転室２０に開口
している。液体回転室２０は、軸線位置に配置された連
結軸１９を囲む環状に形成されており、その前方は、連
結軸１９でノズル本体１１に連結された遮蔽壁３０によ
って塞がれている。The tip of the oblique groove 21 is open to the liquid rotation chamber 20. The liquid rotation chamber 20 is formed in an annular shape surrounding the connection shaft 19 disposed at the axial position, and its front is closed by a shielding wall 30 connected to the nozzle body 11 by the connection shaft 19.
【００１７】液体回転室２０の外周壁は、遮蔽壁３０の
外縁部分と外装筒１６の先端部分とによって形成されて
いるが、遮蔽壁３０の外縁部分と外装筒１６の先端部分
との間には、液体回転室２０の側面のほぼ中央位置に全
周にわたって隙間があり、液体回転室２０から外方に液
体が噴出する噴出口１７がその隙間によって形成されて
いる。The outer peripheral wall of the liquid rotating chamber 20 is formed by the outer edge of the shielding wall 30 and the tip of the outer casing 16, and is located between the outer edge of the shielding wall 30 and the tip of the outer casing 16. Has a gap over the entire circumference at a substantially central position on the side surface of the liquid rotating chamber 20, and the opening 17 from which the liquid is ejected outward from the liquid rotating chamber 20 is formed by the gap.
【００１８】このように構成された内視鏡用噴霧具にお
いては、送液管２に手元側から送り込まれた薬液や色素
液等の液体が、螺旋溝１２の溝方向に従って斜め前方に
向けて液体回転室２０内に噴出され、液体回転室２０内
で軸線周りに回転する。In the spray device for an endoscope configured as described above, a liquid such as a chemical solution or a dye solution sent from the near side to the liquid feeding pipe 2 is directed obliquely forward in the groove direction of the spiral groove 12. The liquid is spouted into the liquid rotation chamber 20 and rotates around the axis in the liquid rotation chamber 20.
【００１９】そして、III−III断面を示す図３に示され
るように、液体回転室２０内の液体は、軸線周りに回転
する自己の遠心力等によって、噴出口１７から外方に向
かって、３６０°全周方向に一様に放射状に噴出され
る。As shown in FIG. 3 showing a cross section taken along the line III-III, the liquid in the liquid rotating chamber 20 is moved outward from the jet port 17 by its own centrifugal force rotating around the axis. It is jetted radially uniformly in all directions around 360 °.
【００２０】噴出口１７から噴出される液体は、この
時、図１に示されるように、前後方向にもある程度の広
がりを持ち、全体として霧状になって側方に向けてくま
なく噴霧される。At this time, the liquid spouted from the spout 17 has a certain degree of spread in the front-rear direction as shown in FIG. 1 and is atomized as a whole and is sprayed to the side. You.
【００２１】したがって、送液管２を内視鏡の処置具挿
通チャンネルに通して、経内視鏡的に大腸の内壁面等の
ような管腔壁に向かって容易に液体散布を行うことがで
き、管腔壁全体に対してむらなく一様に散布することが
できる。Therefore, the liquid supply pipe 2 is passed through the treatment instrument insertion channel of the endoscope, so that the liquid can be easily sprayed endoscopically toward the lumen wall such as the inner wall surface of the large intestine. It can be evenly spread over the entire lumen wall.
【００２２】なお、この実施の形態では、斜行溝２１か
ら液体回転室２０内に導かれた液体がぶつかる遮蔽壁３
０の裏面３０ａが凹面に形成されているが、その形状を
平面又は凸面等に変えることにより、或いは図４に示さ
れるように液体回転室２０の全体的な断面形状を変える
ことにより、噴霧方向が前後に変わるので、使用目的な
どに応じて最適の設定にすればよい。In this embodiment, the shielding wall 3 against which the liquid guided from the oblique groove 21 into the liquid rotating chamber 20 collides.
0 is formed in a concave surface, but by changing its shape to a flat surface or a convex surface, or by changing the overall sectional shape of the liquid rotating chamber 20 as shown in FIG. Changes back and forth, so the optimum setting may be made according to the purpose of use.
【００２３】図５は、本発明の第２の実施の形態の内視
鏡用噴霧具の先端部分を示しており、ノズル本体１１の
外周面に螺旋溝１２を形成し、送液管２内を送られてき
た液体が螺旋溝１２を通過することにより軸線周りに回
転するようにしたものである。螺旋溝１２は、二条又は
三条に形成されているが、一条であっても差し支えな
く、四条以上であってもよい。FIG. 5 shows a distal end portion of a sprayer for an endoscope according to a second embodiment of the present invention, in which a spiral groove 12 is formed on the outer peripheral surface of a nozzle body 11 and Is rotated around the axis by passing the liquid through the spiral groove 12. The spiral groove 12 is formed in two or three, but may be one or four or more.
【００２４】この実施の形態においては、液体回転室２
０の断面形状がほぼ前後に対称形に形成されていて、液
体が噴出口１７から放射状に全周にほぼ側方に向けて噴
霧されるが、図６に示されるように液体回転室２０の断
面形状を適宜に変えれば、それに応じて噴霧方向を前後
に変えることができる。In this embodiment, the liquid rotating chamber 2
0 is formed substantially symmetrically in the front-rear direction, and the liquid is sprayed radially from the ejection port 17 to the entire circumference substantially in the lateral direction. As shown in FIG. If the cross-sectional shape is appropriately changed, the spray direction can be changed back and forth accordingly.
【００２５】図７は、本発明の第３の実施の形態の内視
鏡用噴霧具の先端部分を示しており、環状の噴出口１７
を液体回転室２０の斜め前方に向けて開口形成したもの
である。このようにすることにより、液体を斜め前方に
向けて放射状に全周に噴霧することができる。FIG. 7 shows a distal end portion of an endoscope spray device according to a third embodiment of the present invention.
Is formed so as to open obliquely forward of the liquid rotation chamber 20. By doing so, the liquid can be sprayed radially obliquely forward all around.
【００２６】なお、この実施の形態においては斜行溝２
１によって液体を軸線周りに回転させているが、螺旋溝
１２によって回転させてもよい。In this embodiment, the skew groove 2 is used.
Although the liquid is rotated around the axis by 1, the liquid may be rotated by the spiral groove 12.
【００２７】[0027]
【発明の効果】本発明によれば、液体回転室の前方を遮
蔽壁によって塞ぐと共に、液体回転室の外周壁部分にそ
の全周にわたる環状の液体噴出口を形成したことによ
り、液体が液体噴出口から大きく広がりながら３６０°
全周方向に放射状に噴霧されるので、経内視鏡的に大腸
の内壁面等のような管腔壁に対して液体を一様に散布す
ることができる。According to the present invention, the liquid can be ejected by closing the front of the liquid rotating chamber with the shielding wall and forming an annular liquid ejection port all around the outer peripheral wall of the liquid rotating chamber. 360 ° while widening from the exit
Since the liquid is sprayed radially in all circumferential directions, the liquid can be evenly sprayed on the lumen wall such as the inner wall surface of the large intestine through the endoscope.
【図１】本発明の第１の実施の形態の内視鏡用噴霧具の
先端部分の側面断面図である。FIG. 1 is a side sectional view of a distal end portion of an endoscope spray device according to a first embodiment of the present invention.
【図２】本発明の第１の実施の形態の内視鏡用噴霧具の
全体構成を示す斜視図である。FIG. 2 is a perspective view showing the overall configuration of the endoscope sprayer according to the first embodiment of the present invention.
【図３】図１におけるIII−III断面図である。FIG. 3 is a sectional view taken along line III-III in FIG.
【図４】本発明の第１の実施の形態の内視鏡用噴霧具の
先端部分の変形例の側面断面図である。FIG. 4 is a side sectional view of a modified example of the distal end portion of the endoscope spray device according to the first embodiment of the present invention.
【図５】本発明の第２の実施の形態の内視鏡用噴霧具の
先端部分の側面断面図である。FIG. 5 is a side sectional view of a distal end portion of an endoscope spray device according to a second embodiment of the present invention.
【図６】本発明の第２の実施の形態の内視鏡用噴霧具の
先端部分の変形例の側面断面図である。FIG. 6 is a side sectional view of a modified example of the distal end portion of the endoscope sprayer according to the second embodiment of the present invention.
【図７】本発明の第３の実施の形態の内視鏡用噴霧具の
先端部分の側面断面図である。FIG. 7 is a side sectional view of a distal end portion of an endoscope spray device according to a third embodiment of the present invention.
【図８】従来の内視鏡用噴霧具の先端部分の側面断面図
である。FIG. 8 is a side sectional view of a distal end portion of a conventional endoscope sprayer.
【図９】従来の内視鏡用噴霧具の先端部分の斜視図であ
る。FIG. 9 is a perspective view of a distal end portion of a conventional endoscope spray device.
１ 先端ノズル ２ 送液管 １１ ノズル本体 １２ 螺旋溝（回転案内溝） １６ 外装筒 １７ 噴出口 ２０ 液体回転室 ２１ 斜行溝（回転案内溝） ３０ 遮蔽壁 DESCRIPTION OF SYMBOLS 1 Front-end nozzle 2 Liquid feed pipe 11 Nozzle main body 12 Spiral groove (rotation guide groove) 16 Outer cylinder 17 Spouting port 20 Liquid rotation chamber 21 Slant groove (rotation guide groove) 30 Shielding wall
Claims (3)
案内溝を通過した液体が、上記回転案内溝の先側に形成
された液体回転室内で中心軸線周りに回転し、その液体
回転室から拡散しながら放出されるようにした内視鏡用
噴霧具において、 上記液体回転室の前方を遮蔽壁によって塞ぐと共に、上
記液体回転室の外周壁部分にその全周にわたる環状の液
体噴出口を形成したことを特徴とする内視鏡用噴霧具。1. A liquid which has passed through a liquid guide pipe and passed through a rotation guide groove disposed at the tip thereof rotates around a central axis in a liquid rotation chamber formed at the front side of the rotation guide groove, and the liquid is rotated by the liquid. An endoscope spray device that is discharged while being diffused from a rotating chamber, wherein a front wall of the liquid rotating chamber is closed by a shielding wall, and an annular liquid jet is formed on an outer peripheral wall portion of the liquid rotating chamber over the entire circumference thereof. An endoscope sprayer having an outlet.
に向けて開口形成されている請求項１記載の内視鏡用噴
霧具。2. The endoscope spray device according to claim 1, wherein the liquid ejection port is formed to be open toward a side of the liquid rotation chamber.
前方に向けて開口形成されている請求項１記載の内視鏡
用噴霧具。3. The spray device for an endoscope according to claim 1, wherein the liquid ejection port is formed so as to open obliquely forward of the liquid rotation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28532899A JP2001104490A (en) | 1999-10-06 | 1999-10-06 | Atomizer for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28532899A JP2001104490A (en) | 1999-10-06 | 1999-10-06 | Atomizer for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001104490A true JP2001104490A (en) | 2001-04-17 |
Family
ID=17690135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28532899A Withdrawn JP2001104490A (en) | 1999-10-06 | 1999-10-06 | Atomizer for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001104490A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7588172B2 (en) | 2005-12-19 | 2009-09-15 | Hoya Corporation | Liquid spray tool for endoscope |
| CN104548292A (en) * | 2014-12-25 | 2015-04-29 | 江苏安特尔医疗科技有限公司 | Spraying pipe for endoscopic surgery |
| GB2536785A (en) * | 2015-02-07 | 2016-09-28 | Kylin Sanitary Tech (Xiamen) Co Ltd | A water outlet structure for generating cone shaped water and a shower head mounting the same |
| WO2018229177A1 (en) * | 2017-06-15 | 2018-12-20 | Alfons Kenter | Atomizer nozzle |
| EP3583884A1 (en) * | 2013-12-02 | 2019-12-25 | EndoChoice, Inc. | Fluid distribution device for a viewing endoscope |
| WO2020048626A1 (en) * | 2018-09-04 | 2020-03-12 | Prof. Reymond & Hetzel Gbr | Medical instrument for the targeted introduction of a substance into a body cavity, and tool therefor |
| CN112999061A (en) * | 2021-02-20 | 2021-06-22 | 杭州维力医疗器械有限公司 | Multifunctional nasal sinus flushing device |
| RU2779968C2 (en) * | 2017-06-15 | 2022-09-16 | Альфонс КЕНТЕР | Spraying nozzle |
| WO2024123821A1 (en) * | 2022-12-05 | 2024-06-13 | Thermasolutions | Pressurized aerosol device for medical procedures |
-
1999
- 1999-10-06 JP JP28532899A patent/JP2001104490A/en not_active Withdrawn
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7588172B2 (en) | 2005-12-19 | 2009-09-15 | Hoya Corporation | Liquid spray tool for endoscope |
| EP3583884A1 (en) * | 2013-12-02 | 2019-12-25 | EndoChoice, Inc. | Fluid distribution device for a viewing endoscope |
| CN104548292A (en) * | 2014-12-25 | 2015-04-29 | 江苏安特尔医疗科技有限公司 | Spraying pipe for endoscopic surgery |
| GB2536785A (en) * | 2015-02-07 | 2016-09-28 | Kylin Sanitary Tech (Xiamen) Co Ltd | A water outlet structure for generating cone shaped water and a shower head mounting the same |
| CN110997155B (en) * | 2017-06-15 | 2021-10-26 | A·肯特尔 | Atomizer nozzle |
| WO2018229177A1 (en) * | 2017-06-15 | 2018-12-20 | Alfons Kenter | Atomizer nozzle |
| US11712706B2 (en) | 2017-06-15 | 2023-08-01 | Alfons Kenter | Atomizer nozzle |
| CN110997155A (en) * | 2017-06-15 | 2020-04-10 | A·肯特尔 | Atomizer nozzle |
| RU2779968C2 (en) * | 2017-06-15 | 2022-09-16 | Альфонс КЕНТЕР | Spraying nozzle |
| US11224687B2 (en) | 2018-09-04 | 2022-01-18 | Prof. Reymond & Hetzel Gbr | Medical instrument for the targeted introduction of a substance into a body cavity, and tool therefor |
| RU2759472C1 (en) * | 2018-09-04 | 2021-11-15 | Проф. Реймонд Унд Хетцель Гбр | Medical instrument for directed administration of substance into body cavity and device used for this |
| CN112654385B (en) * | 2018-09-04 | 2022-01-18 | 雷蒙德教授&黑策尔公司 | Medical device for the directed introduction of a substance into a cavity of the body and tool therefor |
| CN112654385A (en) * | 2018-09-04 | 2021-04-13 | 雷蒙德教授&黑策尔公司 | Medical device for the directed introduction of a substance into a cavity of the body and tool therefor |
| WO2020048626A1 (en) * | 2018-09-04 | 2020-03-12 | Prof. Reymond & Hetzel Gbr | Medical instrument for the targeted introduction of a substance into a body cavity, and tool therefor |
| CN112999061A (en) * | 2021-02-20 | 2021-06-22 | 杭州维力医疗器械有限公司 | Multifunctional nasal sinus flushing device |
| CN112999061B (en) * | 2021-02-20 | 2023-09-26 | 杭州维力医疗器械有限公司 | Multifunctional nasal sinus flushing device |
| WO2024123821A1 (en) * | 2022-12-05 | 2024-06-13 | Thermasolutions | Pressurized aerosol device for medical procedures |
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