WO2006025370A1 - フラッシングデバイス及びカテーテルセット - Google Patents
フラッシングデバイス及びカテーテルセット Download PDFInfo
- Publication number
- WO2006025370A1 WO2006025370A1 PCT/JP2005/015743 JP2005015743W WO2006025370A1 WO 2006025370 A1 WO2006025370 A1 WO 2006025370A1 JP 2005015743 W JP2005015743 W JP 2005015743W WO 2006025370 A1 WO2006025370 A1 WO 2006025370A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- catheter
- flushing
- flushing device
- main body
- Prior art date
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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0097—Catheters; Hollow probes characterised by the hub
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/225—Flush valves, i.e. bypass valves for flushing line
Definitions
- the present invention relates to a flushing device for flushing a catheter to be inserted into a living body, and a catheter set in which a flushing device is combined with a catheter.
- Medical treatment is performed in which a microcatheter is inserted into a blood vessel to perform an intravascular operation.
- a catheter having a catheter tube, a catheter hub connected to the end of the catheter tube, and a guide wire inserted into the catheter tube is often used.
- a torque device is connected to the proximal end portion of the guide wire, the guide wire is inserted into the lumen of the catheter tube, and the catheter tube is inserted into the blood vessel through an external force. Then, by operating the guide wire with the torque device and the catheter tube with the hub, the distal end of the catheter tube can be selectively inserted into a thin blood vessel to reach the target site.
- a concave portion communicating with the lumen of the catheter tube is formed at the proximal end portion of the hub, and a luer or the like is inserted into the concave portion so that a drug solution or the like can be injected into the catheter tube.
- Patent Document 1 Japanese Patent Publication No. 4-2074
- Patent Document 2 Japanese Patent Laid-Open No. 2001-137351
- an object of the present invention is to enable flushing with a guide wire inserted into a catheter tube even when a general torque device is used in the catheter.
- a catheter tube, a hub having a recess connected to the catheter tube and communicating with the catheter tube, and a guide wire inserted into the catheter tube are provided.
- the flushing device to be attached to the catheter is used, and the flushing device is composed of a main body tube portion that penetrates the guide wire and a side injection tube portion that is connected to communicate with the main body tube portion. Is provided with a tip portion formed in a shape that fits into the recess, and the side injection tube portion is provided with a tip portion formed in a shape into which a nozzle for discharging a flushing liquid can be inserted.
- a notch is formed in the tube wall of the main body tube portion by applying the tip portion force to the other end portion.
- a valve body having a material force that is more flexible than the material of the main body pipe portion may be attached to the main body pipe portion at a position facing the notch.
- the other end portion of the main body tube portion is closed with a lid portion, and a hole through which the guide wire can pass is formed in the lid portion.
- a valve body having a material force that is more flexible than the material of the lid portion may be attached to the lid portion at a location facing the hole.
- the lid portion is preferably thicker than the tube wall of the main body tube portion.
- the main body tube portion through which the guide wire passes is provided with a tip portion formed in a shape that fits into the recess of the hub.
- the main body tube portion With the guide wire inserted, the main body tube portion can be fitted so as to surround the guide wire, and the distal end portion of the main body tube portion can be fitted into the recess of the knob.
- the side injection tube portion is provided with a tip portion formed in a shape into which a nozzle for discharging the flushing liquid can be inserted.
- a flushing liquid can be injected into the injection tube.
- the flushing device of the present invention when the flushing device of the present invention is mounted while the guide tube is inserted into the catheter tube and the hub, the nozzle is inserted at the tip of the side injection tube portion, and the flushing liquid is injected into the side injection tube portion, the injection is performed.
- the flushing liquid thus made flows into the catheter tube via the main body tube portion and the concave portion of the hub, and is flushed.
- the flushing device if a notch is formed in the tube wall of the main body tube portion with the tip portion force applied to the other end portion, the side force of the guide wire is also fitted into or removed from the main body tube portion via this incision. be able to. Therefore, it is excellent in detachability, and the flushing device can be easily attached / detached between the torque device and the hub while the torque device is attached to the guide wire.
- the other end of the main body tube portion is closed with a lid and a hole through which the guide wire can pass is formed in the lid, the other end can be removed from the other end during flushing.
- the flushing liquid leaks.
- a valve body having a material force that is more flexible than the material of the lid portion is attached to a location facing the hole in the lid portion, the flushing liquid is also difficult to leak during the flushing.
- the flushing liquid also leaks in the hole cap during flushing.
- FIG. 1 is a diagram showing a configuration of a catheter that is effective in an embodiment and a flushing device attached to the catheter.
- FIG. 2 is a perspective view of the flushing device.
- FIG. 3 is a cross-sectional view of a main part showing a state in which flushing is performed using a flushing device.
- FIG. 4 is an enlarged cross-sectional view of a base end portion of a flushing device that works as a modification.
- FIG. 1 is a diagram showing a configuration of a catheter and a flushing device attached to the catheter.
- the catheter 1 includes a catheter tube 10 formed of a flexible tube, a knob 20 attached to the proximal end of the catheter tube 10, and a guide wire 30 inserted into the catheter tube 10 and used.
- the torque device 40 is attached to the proximal end of the guide wire 30.
- a catheter set is configured by combining the catheter 1 and the flashing device 100 to be mounted on the catheter 1.
- the catheter tube 10 is used by being inserted into a living body lumen such as a blood vessel, and is a flexible tube body.
- the proximal end portion of the catheter tube 10 is fluid-tightly connected to the distal end portion of the hub 20.
- the catheter tube 10 is made of a flexible resin material (polyolefin, polyester
- Fluorine-based resin or elastomer, and it has a reinforcing layer made of a linear body or mesh.
- the hub 20 is a tubular body through which the guide wire 30 is inserted, and the proximal end portion of the catheter tube 10 is connected to the distal end portion 21 thereof.
- a long and narrow cap 22 is attached to the distal end portion 21 of the hub 20 to cover the proximal end portion of the catheter tube 10.
- a recess 24 for inserting a syringe luer or the like is formed in the base end portion 23 of the hub 20, and the recess 24 communicates with the catheter tube 10.
- Such a hub 20 is used as an insertion port when the guide wire 30 is inserted into the catheter tube 10, or an injection port for injecting a liquid such as a drug solution into the catheter tube 10.
- a liquid such as a drug solution
- the inner wall of the recess 24 is formed in a tapered shape whose inner diameter gradually increases in the proximal direction.
- a plurality of handles 25 protrude from the side of the hub 20 so that the operator can
- the handle 25 When gripping the hub 20 and operating the catheter tube 10, the handle 25 can be gripped and operated.
- the distal end portion 31 of the guide wire 30 is curved.
- the torque device 40 includes an operation unit 41 that is gripped and operated by an operator, and a chuck head unit 42 that grips the proximal end portion of the guide wire 30 on the distal end side of the operation unit 41.
- a chuck head unit 42 that grips the proximal end portion of the guide wire 30 on the distal end side of the operation unit 41.
- a chuck claw 43 and a screw cap 44 for tightening the chuck claw 43.
- a female screw that engages with the male screw 41a formed at the tip of the operation portion 41 is formed.
- the screw cap 44 Is configured to hold the guide wire 30 by pressing the chuck pawl 43 from the periphery.
- a syringe 50 as a liquid injection device is filled with a flushing liquid (such as physiological saline), and the flushing liquid can be discharged from the nozzle 52 by operating the plunger 51.
- a flushing liquid such as physiological saline
- FIG. 2 is a perspective view of the flushing device 100.
- the flushing device 100 includes a main body pipe portion 110 that penetrates the guide wire 30 and a side injection pipe portion 120 that is connected so as to communicate with the main body pipe portion 110.
- the side injection pipe part 120 is connected to the central part of the main body pipe part 110 (that is, between the front end part 111 and the base end part 112). Regarding the angle between the main body pipe portion 110 and the side injection pipe portion 120, the side injection pipe portion 120 is inclined and connected to the base end portion 112 side with respect to the main body pipe portion 110 from the vertical direction. About The liquid flowing from the side injection pipe part 120 into the main body pipe part 110 flows in the direction of the tip part 111.
- the main body tube portion 110 is formed in a shape in which a distal end portion 111 is fitted into the recess 24.
- the main body pipe portion 110 is liquid-tightly connected to the hub 20, and the connected state is maintained.
- the proximal end portion 112 of the main body tube portion 110 is closed, and the gap force with the guide wire 30 is reduced.
- the base end portion 112 of the main body pipe portion 110 is provided with a lid portion 114 that closes the tube, and a hole 114a through which the guide wire 30 passes is formed in the central portion of the lid portion 114.
- the side injection tube portion 120 has a concave portion 122 2 into which the nozzle 52 of the syringe 50 can be inserted at the distal end portion 121 thereof.
- the concave portion 122 has a taper shape in which the inner diameter gradually increases as a force is applied in the proximal direction. As a result, the nozzle 52 can be securely and easily fitted and connected to the side injection pipe part 120.
- the flushing device 100 is made of acrylic resin, polyamide resin, polyamide elastomer, polyethylene, polypropylene, polycarbonate, polyacetal. It can be produced by using this material as an injection molding material.
- a slit 113 is formed from the distal end portion 111 to the proximal end portion 112 to allow the guide wire 30 to be inserted with a side force.
- the slit 113 is connected to the hole 114a so that the inserted guide wire 30 can be fitted into the hole 114a.
- the guide wire 30 is inserted into the catheter tube 10, and the flushing device 100 is attached to the catheter 1 with the torque device 40 connected to the proximal end portion of the guide wire 30. I decided to.
- the flushing device 100 When the flushing device 100 is installed, guide the slit 113 part of the main tube 110.
- the body tube portion 110 is fitted into the guide wire 30 by pressing against the side surface of the wire 30. Then, the fitting of the flushing device 100 is completed by fitting the distal end portion 111 of the main tube portion 110 into the recess 24.
- the guide wire 30 is passed through the catheter tube 10 and the torque device 40 is attached.
- the guide wire 30 can be easily attached between the hub 20 and the torque device 40.
- FIG. 3 is a cross-sectional view showing a state where the flushing device 100 is attached to the catheter 1 and the flushing is performed.
- the flushing liquid injected into the side injection tube portion 120 flows from the side injection tube portion 120 into the main body tube portion 110, travels along the surface of the guide wire 30, and flows into the catheter tube 10 through the hub 20. Thereby, the surface of the guide wire 30 is flushed together with the lumen of the catheter tube 10.
- the syringe 50 is removed from the side injection tube 120, and the flushing device 100 is removed from the catheter 1. This removal operation may be performed in the reverse manner to the above-described mounting operation.
- the main body pipe portion 110 can be easily detached from the guide wire 30.
- the catheter 1 After flushing, the catheter 1 is inserted into the blood vessel. At that time, the catheter tube 10 is inserted into a guiding catheter or a contrast catheter as necessary, Insert into blood vessels. Then, the distal end portion 12 of the catheter tube 10 is made to reach the target site while operating the torque device 40.
- an injection device such as a syringe is connected to the recess 24 of the hub 20 and a contrast medium or a chemical solution is injected.
- a contrast medium or a chemical solution is injected from the hub 20 through the catheter tube 10 into the blood vessel from the distal end portion 12 of the force tatel tube 10.
- the width of the slit 113 is equal to the diameter of the guide wire 30. It is preferable to set the same level.
- the width of the slit 113 is preferably set in the range of 0.3 to 0.6 mm.
- the appropriate range for the width of the slit 113 differs depending on the material forming the flushing device 100. If the material is highly elastic, the flushing device 100 can be used as a guide wire even if the width of the slit 113 is set to be considerably small. 30 can be easily attached and detached.
- the tube wall may be formed thick only in the vicinity of the slit 113. By doing so, the length of the slit 113 in the thickness direction of the tube wall is increased, so that the flushing liquid is difficult to leak.
- the thickness of the lid 114 is preferably set to be thicker than the tube wall of the main body pipe portion 110.
- the size of the hole 114a is preferably about the same as the diameter of the guide wire 30. . With this setting, it is possible to prevent the flushing liquid from leaking from the hole 114a in a state where the flushing device 100 is attached to the guide wire 30 (a state where the guide wire 30 is fitted in the hole 114a).
- the catheter 1 and the flushing device 100 attached to the catheter 1 have been described above.
- the present invention is not limited to the above, and may be as follows.
- the whole is not made of the same material.
- the flushing device 100 is basically formed of the above-described resin such as acrylic resin, polyamide resin, polyamide elastomer, polyethylene, polypropylene, polycarbonate, and polyacetal, and the slit 113 and the hole 114a are formed.
- a valve body made of a flexible material (elastomer-type material) is attached to the facing part.
- FIG. 4 is an enlarged cross-sectional view of the base end portion 112 of the flushing device 100 that works as a modification.
- the lid 114 is set to have a thick wall, a recess is formed in a portion of the lid 114 facing the hole 114a, and the valve body 115 has an elastomeric material force in the recess.
- a similar valve body may be joined to the portion of the lid portion 114 facing the hole 114a.
- the valve body may be fitted or joined to the portion facing the slit 113 of the main body pipe portion 110.
- valve body prevents the guide wire 30 from passing through the slit 113 or fitting into the hole 114a.
- the slit 113 has a function of closing the hole 114a. Accordingly, the flushing liquid does not leak from the slit 113 or the hole 114a.
- the side injection pipe part 120 is connected to the center part of the main body pipe part 110, but the side injection pipe part 120 is connected to the base end part 112 of the main body pipe part 110. It may be.
- the slit 113 does not necessarily have to be formed in the main body tube portion 110. In this case, without the torque device 40 attached to the guide wire 30,
- the flushing device 100 is mounted by fitting the main body tube portion 110 into the proximal end portion of the guide wire 30 and fitting the distal end portion 111 into the recess 24. Then, the nozzle 52 is recessed 1 The syringe 50 is inserted into 22 and the syringe 50 is connected to the side injection tube section 120 and flushed.
- the flushing device 100 is also released from the proximal end portion of the guide wire 30, and then the torque device 40 is attached to the proximal end portion of the guide wire 30.
- the distal end force of the main body pipe portion 110 may be applied to the base end, and a portion having a thin wall thickness may be provided.
- the flushing device 100 and the torque device 40 are attached to the guide wire 30 in advance. Then, the nozzle 52 is inserted into the recess 122, the syringe 50 is connected to the side injection tube 120, and flushing is performed.
- the thin portion of the flushing device 100 is torn and the flushing device 100 is removed from the guide wire 30.
- the flushing device can be used for flushing a force tape including a catheter tube, a hub connected to the catheter tube, and a guide wire inserted into the catheter tube. Particularly, it is suitable for flushing a medical microcatheter to be inserted into a blood vessel or the like.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-252645 | 2004-08-31 | ||
JP2004252645A JP4710280B2 (ja) | 2004-08-31 | 2004-08-31 | フラッシングデバイス及びカテーテルセット |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006025370A1 true WO2006025370A1 (ja) | 2006-03-09 |
Family
ID=36000022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/015743 WO2006025370A1 (ja) | 2004-08-31 | 2005-08-30 | フラッシングデバイス及びカテーテルセット |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4710280B2 (ja) |
KR (1) | KR20070048719A (ja) |
CN (1) | CN100584408C (ja) |
WO (1) | WO2006025370A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3906961A4 (en) * | 2019-02-18 | 2022-03-30 | TERUMO Kabushiki Kaisha | INSERTION DEVICE FOR LONG MEDICAL ELEMENTS AND METHODS OF USE OF THE INSERTION DEVICE |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4892082B2 (ja) * | 2010-05-31 | 2012-03-07 | クリエートメディック株式会社 | フラッシング可能なトルクデバイス |
JP5414775B2 (ja) * | 2011-12-08 | 2014-02-12 | クリエートメディック株式会社 | フラッシング可能なトルクデバイス |
US9132238B2 (en) * | 2012-06-26 | 2015-09-15 | Becton, Dickinson And Company | Blow fill seal luer syringe |
CN106580375B (zh) * | 2016-12-15 | 2020-09-22 | 杭州启明医疗器械股份有限公司 | 一种导丝调节器以及输送系统控制手柄 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5320613A (en) * | 1993-01-06 | 1994-06-14 | Scimed Life Systems, Inc. | Medical lumen flushing and guide wire loading device and method |
US6371944B1 (en) * | 1999-04-26 | 2002-04-16 | Xuanli Liu | Percutaneous needle with entry for insertion of a wire |
US6605075B1 (en) * | 1999-12-21 | 2003-08-12 | Ethicon, Inc. | Flushable hub |
-
2004
- 2004-08-31 JP JP2004252645A patent/JP4710280B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-30 WO PCT/JP2005/015743 patent/WO2006025370A1/ja active Application Filing
- 2005-08-30 CN CN200580029211A patent/CN100584408C/zh not_active Expired - Fee Related
- 2005-08-30 KR KR1020077002981A patent/KR20070048719A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5320613A (en) * | 1993-01-06 | 1994-06-14 | Scimed Life Systems, Inc. | Medical lumen flushing and guide wire loading device and method |
US6371944B1 (en) * | 1999-04-26 | 2002-04-16 | Xuanli Liu | Percutaneous needle with entry for insertion of a wire |
US6605075B1 (en) * | 1999-12-21 | 2003-08-12 | Ethicon, Inc. | Flushable hub |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3906961A4 (en) * | 2019-02-18 | 2022-03-30 | TERUMO Kabushiki Kaisha | INSERTION DEVICE FOR LONG MEDICAL ELEMENTS AND METHODS OF USE OF THE INSERTION DEVICE |
Also Published As
Publication number | Publication date |
---|---|
JP4710280B2 (ja) | 2011-06-29 |
CN101010116A (zh) | 2007-08-01 |
JP2006068100A (ja) | 2006-03-16 |
KR20070048719A (ko) | 2007-05-09 |
CN100584408C (zh) | 2010-01-27 |
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