WO1999047202A1 - Raccord de catheter et catheter a ballonnet - Google Patents

Raccord de catheter et catheter a ballonnet Download PDF

Info

Publication number
WO1999047202A1
WO1999047202A1 PCT/JP1999/001346 JP9901346W WO9947202A1 WO 1999047202 A1 WO1999047202 A1 WO 1999047202A1 JP 9901346 W JP9901346 W JP 9901346W WO 9947202 A1 WO9947202 A1 WO 9947202A1
Authority
WO
WIPO (PCT)
Prior art keywords
catheter
connector
balloon
catheter connector
proximal end
Prior art date
Application number
PCT/JP1999/001346
Other languages
English (en)
Japanese (ja)
Inventor
Akira Sekido
Shinichi Miyata
Takashi Kawabata
Original Assignee
Nippon Zeon Co., Ltd.
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
Application filed by Nippon Zeon Co., Ltd. filed Critical Nippon Zeon Co., Ltd.
Publication of WO1999047202A1 publication Critical patent/WO1999047202A1/fr

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
    • 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
    • A61M25/00—Catheters; Hollow probes
    • 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
    • A61M2025/024—Holding devices, e.g. on the body having a clip or clamp system

Definitions

  • the present invention relates to a catheter connector and a balloon catheter. More specifically, the present invention relates to a so-called monorail type balloon, in which a portion of the catheter is removably housed in a housing recess of the connector so as to improve carrying characteristics.
  • the present invention relates to a catheter connector and a balloon force table capable of improving operability during use by removably housing a proximal end of a guide wire used for a catheter. Background art
  • PTCA Percutaneous Transluminal Coronary Anglio Op1 asty
  • a balloon catheter is inserted into a blood vessel, and the balloon is inflated to expand the stenosis, thereby improving blood flow on the peripheral side of the stenosis.
  • the balloon catheter used in the above-mentioned PTCA includes an over-the-wire balloon catheter and a monorail balloon catheter.
  • the guide wire is first passed through the stenosis in the blood vessel, and then the balloon catheter is sent along the guide wire to the stenosis, and the balloon is inflated to expand the stenosis. To expand. So At this time, the stenosis needs to be expanded stepwise so as not to damage the blood vessels.
  • a balloon catheter with a balloon portion with a small outer diameter is first inserted along the guide wire, and then the outer catheter is gradually expanded. Replace with a balloon catheter with a balloon section of diameter.
  • the over-the-wire balloon catheter has a guidewire lumen formed along the entire length of the catheter tube, passes through the guidewire along the lumen, and extends the balloon along the guidewire. The part is guided to the stenosis. Then, after performing vasodilation using a balloon catheter having a smaller outer diameter balloon portion, the balloon catheter is replaced with a balloon catheter having a larger outer diameter balloon portion. In doing so, the balloon catheter is withdrawn along the guide wire, so the proximal end of the guide wire needs to extend outside the body to at least the entire length of the catheter tube. Otherwise, the balloon catheter cannot be replaced while leaving the distal end of the guidewire in the stenosis.
  • the length of the guide wire extending outside the body for replacement of the balloon catheter may be slightly longer than the length from the opening to the distal end of the balloon. This method is excellent in operability because the length of the guide wire can be shortened compared to other methods.
  • the proximal end of the balloon catheter in addition to the connector of the balloon force table, is provided on the proximal end side of the balloon catheter exposed to the outside during use. It extends outside the patient, causing the proximal end of the guidewire to wander, making it difficult to operate the balloon catheter well.
  • the present invention has been made in view of the above circumstances, and has a portability which is improved by carrying a part of the catheter in a receiving recess of the connector in a detachable manner, and is used for a so-called monorail type balloon catheter.
  • An object of the present invention is to provide a catheter connector and a balloon catheter which can enhance operability during use in a clean area by removably accommodating a proximal end of a guide wire.
  • a catheter connector according to the present invention is a catheter connector provided at a proximal end of a catheter to be introduced into a body, wherein the catheter connector is a part of the catheter or the force catheter.
  • An accommodating recess in which a part of the accessory parts is detachably mounted is formed.
  • the catheter connector preferably has a disk shape as a whole.
  • the housing recess is preferably a plurality of rows of housing grooves substantially parallel to each other along the longitudinal direction of the connector body.
  • the accommodation groove is formed in an elastically deformable portion of the catheter connector, and the elastically deformable portion is elastically deformed by an external force, so that a groove width of the accommodation groove is widened. preferable.
  • the accommodating groove constituting the accommodating recess is formed between a plurality of radially deformable flexible pieces integrally formed on a hub constituting the catheter connector.
  • a hole is formed in the hub.
  • a tightening member is movably or detachably attached to the catheter connector, and the accommodation groove is formed in an elastically deformable portion of the catheter connector.
  • the width of the accommodation groove may be reduced by elastically deforming the accommodation member.
  • the accommodating recess is not limited to the groove as described above. It may be an openable and closable storage space that penetrates in a direction substantially parallel to the longitudinal direction of the main body. Such an openable and closable storage space is preferably formed between at least a pair of gripping pieces formed integrally with the catheter connector. It is preferable that the gripping piece is elastically deformed so as to bend, and is opened in a direction in which the gripping pieces are separated from each other in a state where the gripping piece is disengaged from the hook member, thereby opening the accommodation space. It is preferable that the hook member is rotatably or detachably attached to the catheter connector.
  • a plurality of the accommodation spaces may be formed for a single catheter connector.
  • the gripping piece is elastically deformed at its base end, and is opened in a direction in which the gripping pieces are separated from each other in a state where the gripping piece is disengaged from the insertion member or the cover member, thereby opening the housing space. May be. It is preferable that the insertion member or the cover member is attached to the catheter connector so as to be slidable or detachable.
  • the housing space is provided between a fixed plate portion (preferably integrally formed with the connector) fixed to the catheter connector, and a movable plate portion rotatable with respect to the catheter connector.
  • the housing space may be opened and closed by rotating the movable plate portion with respect to the fixed plate portion.
  • a groove substantially parallel to the longitudinal direction of the connector main body may be formed on the opposing surface of the fixed plate portion or the movable plate portion.
  • the openable and closable storage space is formed between a fixed portion (preferably integrally formed with the connector) fixed to the catheter connector and a movable portion rotatable with respect to the catheter connector.
  • the housing space may be opened and closed by rotating the movable part with respect to the fixed part.
  • a groove may be formed in a part of the fixed part or the movable part.
  • the force catheter connector may be formed integrally with the tubular member constituting the proximal end of the force catheter, or may be formed separately and attached to the outer periphery of the tubular molded body You may.
  • the part of the catheter detachably mounted in the accommodation recess is, for example, an axial part of a spirally bent catheter.
  • some of the accessory parts of the catheter that are detachably mounted in the receiving recess are, for example, spirally bent.
  • a balloon catheter according to the present invention is inserted into a body cavity such as a blood vessel, and has a catheter tube in which at least two first lumens and second lumens are formed along a longitudinal direction.
  • a second lumen formed in the catheter tube is connected to the outer periphery of the distal end of the catheter tube, and the inside communicates with the second lumen.
  • the fluid can be expanded outward by the fluid sent through the second lumen.
  • An opening communicating with the first lumen is formed on the outer periphery of the catheter tube at a predetermined distance from the portion where the proximal end of the balloon portion is joined to the outer periphery of the catheter tube to the proximal end side, and the opening is formed.
  • the catheter connector provided at the proximal end of the catheter tube has a receiving recess in which the proximal end of the guide wire projecting from the opening to the proximal end side is detachably mounted. It is characterized by having been done.
  • the elongated catheter when the catheter is packed or transported before the use of the elongated catheter attached to the connector, the elongated catheter is swirled several times, for example. At the position where it bends and overlaps the connector, a part of the catheter in the axial direction is detachably mounted in the receiving recess of the connector. As a result, the elongated catheter is spirally bent and temporarily fixed to the connector, so that the catheter does not come loose. Therefore, it is easy to carry, the packaging material for the catheter can be reduced, and the packaging becomes easy.
  • the outer periphery of the catheter is preferably covered with a protective tube, and a preservation solution such as saline is sealed inside the protective tube immediately before use.
  • a protective tube that covers the outer periphery of the elongated catheter that is bent several times in a spiral shape is detachably mounted in the receiving recess of the connector at a position overlapping the connector.
  • a force The proximal end (located outside the body) of the guidewire, which protrudes to the proximal end from the opening (located inside the body) formed at the distal end of the catheter tube, is positioned outside the body.
  • the proximal end of the guide wire extending outside the body of the patient separately from the connector of the noreturn catheter does not fluctuate, and the operability of the balloon catheter is improved.
  • FIG. 1 is a perspective view of a main part of the catheter connector according to one embodiment of the present invention.
  • FIG. 2A is a plan view of the catheter connector shown in FIG. 1, and FIG. 2B is a cross-sectional view taken along line IIB-IB in FIG.
  • FIGS. 3A and 3B are cross-sectional views showing the usage state of the catheter connector according to the embodiment
  • FIG. 3C is a cross-sectional view showing a modified example of the catheter connector.
  • FIG. 4 is a perspective view showing a state before use of the balloon catheter according to one embodiment of the present invention.
  • FIG. 5A is a cross-sectional view of a main part of the balloon catheter according to the embodiment
  • FIG. B is a cross-sectional view of a main part along line VB-VB in FIG.
  • FIG. 6 is a schematic diagram showing a use state of the balloon catheter.
  • FIGS. 7A to 7C are cross-sectional views of a main part showing a use state of the balloon catheter.
  • FIG. 8A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • FIG. 9A is a perspective view of a connector for a balloon catheter according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • FIG. 1OA is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • FIG. 11A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • FIG. 12 A is a connector for a balloon catheter according to another embodiment of the present invention.
  • FIGS. 2B and 2C are cross-sectional views of main parts of the connector.
  • FIG. 13A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIG. B is an exploded perspective view of the connector.
  • FIG. 14A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIG. 14B is a perspective view of the connector viewed from the back
  • FIG. 14C is an accommodation space formed in the hub of the connector. Is a perspective view showing an opened state
  • FIG. D is a cross-sectional view thereof
  • FIG. E is a cross-sectional view of a main part showing an operation state.
  • FIG. 15A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIG. B is a plan view of the connector
  • FIG. C is a plan view showing a state where a housing space of the connector is opened. It is.
  • FIG. 16 is a perspective view of a balloon catheter connector according to another embodiment of the present invention.
  • FIG. 17 is a fragmentary cross-sectional view along the line XVI-XVII shown in FIG.
  • FIG. 18 is a plan view of a main part of the connector.
  • FIG. 19 is a perspective view showing a usage example of the connector. BEST MODE FOR CARRYING OUT THE INVENTION
  • the catheter connector 50 according to an embodiment of the present invention shown in FIG. 1 is provided at the proximal end (the proximal end located outside the patient's body) of the balloon catheter 2 shown in FIG. 5A. It is the one that is attached.
  • the balloon catheter 2 according to the present embodiment shown in FI G. 5A includes, for example, percutaneous endovascular coronary angioplasty (PTCA), dilation of blood vessels such as limbs, dilation of the upper ureter, renal vasodilation, etc. It is used to dilate a stenosis formed in a blood vessel or other body cavity.
  • PTCA percutaneous endovascular coronary angioplasty
  • dilation of blood vessels such as limbs
  • dilation of the upper ureter dilation of the upper ureter
  • renal vasodilation etc. It is used to dilate a stenosis formed in a blood vessel or other body cavity.
  • PTCA percutaneous endovascular coronary angioplasty
  • the balloon catheter for expansion 2 of the present embodiment is a so-called monorail type balloon catheter.
  • the proximal end 5 and the distal end 7 of the balloon 4 are connected to the outer periphery of the distal end of the catheter tube 6, and the internal space of the balloon 4 is a sealed space.
  • a connector 50 is connected to the proximal end of the catheter tube 6.
  • connection between the proximal end 5 and the distal end 7 of the balloon portion 4 and the outer periphery of the distal end of the catheter tube 6 and the connection between the catheter tube 6 and the connector 50 are performed by joining such as heat fusion or adhesion. Done by means.
  • the balloon portion 4 is formed of a cylindrical film having both ends reduced in diameter, and the film thickness is not particularly limited, but is 5 to 500 // m, preferably 10 to 60 zm. is there.
  • the balloon portion 4 is not particularly limited as long as it is cylindrical, and may be cylindrical or polygonal.
  • the outer diameter of the balloon portion 4 at the time of inflation is determined by factors such as the inner diameter of the blood vessel, and is usually about 1.5 to 10 mm, preferably 2 to 5 mm.
  • the axial length of the balloon portion 4 is determined by factors such as the size of the intravascular stenosis, and is not particularly limited, but is 15 to 50 mm, and preferably 20 to 40 mm. Before inflation, the balloon portion 4 is folded and wrapped around the distal end of the catheter tube 6, and has an outer diameter as small as possible.
  • the material constituting the balloon portion 4 is preferably a material having a certain degree of flexibility.
  • copolymers of ethylene and other ⁇ -olefins such as polyethylene, polyethylene terephthalate, polypropylene, and ethylene-propylene copolymer are preferable.
  • Polymer, Ethylene monoacetate copolymer, Polyvinyl chloride (PVC), Crosslinked ethylene monoacetate copolymer, Polyurethane, Polyamide, Polyamide elastomer, Polyimide, Polyimide elastomer, Silicone Rubber, latex rubber, and the like can be used, and polyethylene, polyethylene terephthalate, and polyamide are preferred.
  • the catheter tube 6 may be made of, for example, the same material as that of the balloon section 4, and is preferably made of polyethylene, polyamide, or polyimide.
  • the cross-sectional outer shape of the catheter tube 6 has an elliptical shape elongated in the Y-axis direction, and the cross-section of the catheter tube 6 is perpendicular to the Y-axis.
  • the ratio of the maximum cross-sectional width xm of the catheter tube in the axial direction to the maximum cross-sectional width ym in the Y-axis direction (xm / ym), in the range of 0.8 to 0.1, and two first lumens 12 and a second lumen 14 having a circular cross section; and formed separately along the Y-axis direction.
  • the maximum cross section width ym in the Y-axis direction is preferably about 0.6 to 1.2 mm.
  • the first lumen 12 formed along the longitudinal direction of the catheter tube 6 is a portion through which the guide wire 42 is inserted, as shown in FIGS.
  • the diameter is not particularly limited as long as it can pass through the wire 42, and is, for example, 0.15 to 1.0 mm, preferably 0.25 to 0.6 mm.
  • the second lumen 14 sends a pressurized fluid into the balloon portion 4 through a communication hole 18 formed on the outer periphery of the distal end portion of the catheter tube 6, and
  • the inner diameter is substantially the same as the inner diameter of the first lumen 12.
  • the cross-sectional outer shape of the catheter tube 6 does not change along the longitudinal direction of the catheter tube 6, and has substantially the same flexibility along the longitudinal direction.
  • the first lumen 12 formed along the longitudinal direction of the catheter tube 6 is opened at a predetermined distance z from the proximal end 5 of the ball portion 4. It communicates with the outside through the part 10, from which a guide wire 42 can be inserted into the distal end side of the first lumen 12.
  • the predetermined distance z is not particularly limited.
  • the force is preferably 0 to 500 mm, and more preferably 50 to 350 mm. If the distance z is too large, the effect of shortening the length of the guide wire 42 extending outside the body by using a monorail type balloon catheter is reduced.
  • the first lumen 12 located on the proximal side of the opening 10 is filled with a plug material 11, and the guide wire lumen 15 formed on the distal end side of the first lumen 12, It does not communicate with the sealed lumen 17 formed on the proximal end side of the 1 lumen 1 2.
  • a reinforcing member such as a reinforcing wire may be inserted into the sealed lumen 17, in which case the pushability of the proximal end side of the catheter tube is improved.
  • the distal end 20 of the guide wire lumen 15 is open to the outside so that the guide wire 42 can pass therethrough.
  • the closed lumen 1 7 which is the proximal end of the first lumen Is closed off by connector 50.
  • the proximal end of the second lumen 14 communicates with an expansion port 16 formed in the connector 50, from which pressure fluid is introduced, and around the outer periphery of the distal end of the catheter tube 6.
  • the folded balloon section 4 is inflated.
  • a luer portion 62 for connecting to another tube or device is formed on the outer periphery of the expansion port 16.
  • the communication hole 18 formed in the outer periphery of the distal end portion of the catheter tube 6 may be plural or single.
  • the pressure fluid introduced into the second lumen 14 through the expansion port 16 is not particularly limited.
  • a 50/50 (weight ratio) mixed aqueous solution of a radiopaque medium and saline is used. Used.
  • the reason for including the radiopaque medium is to image the positions of the balloon portion 4 and the force-tail tube 6 using radiation when the balloon catheter 2 is used.
  • the pressure of the pressure fluid for inflating the balloon portion 4 is not particularly limited, but is about 3 to 30 atm, preferably about 4 to 8 atm in absolute pressure.
  • the distal end of the second lumen is filled with a plug 13 to prevent fluid delivered through the second lumen 14 from leaking into the blood vessel.
  • the plugs 11 and 13 shown in FIG. 5 are made of, for example, a synthetic resin strand or an adhesive.
  • the connector 50 shown in FIG. 5A is attached to a tubular connector body 52 and an outer periphery of a substantially central portion of the connector body 52 in the axial direction. And a disc-shaped hub 54.
  • a flow path communicating with the second lumen 14 of the catheter tube 6 is formed inside the connector body 52, and is connected to the luer portion 62 through the expansion port 16. Fluid pressure can be introduced from the equipment to be used.
  • the connector body 52 is formed of a thermoplastic resin such as polycarbonate, polyamide, polysulfone, polyacrylate, methacrylate butylene-styrene copolymer, or the like.
  • the outer diameter of the tubular connector body 52 is not particularly limited, but is preferably about 3 to 20 mm, and more preferably about 5 to 15 mm at the maximum outer diameter portion.
  • the outer diameter of the disk of the hub 54 is not particularly limited, but is preferably about 10 to 100 mm, and particularly preferably about 15 to 50 mm. The dimensions are determined in consideration of ease of holding with one hand.
  • the hub 54 is connected to the axis of the connector body 52. It is fixed to the outer periphery of the substantially central part in the direction 6 by means such as bonding or heat fusion.
  • the hub 54 may be detachably mounted on the outer periphery of the substantially central portion of the connector main body 52 in the axial direction along the axial direction.
  • the hub 54 may be formed integrally with the connector body 52.
  • the material of the hub 54 is the same as the material of the connector 52. However, when the hub 54 is formed separately, a material different from the material of the connector body 52 is used. It can also be configured. As will be described later, at least a part of the hub 54 needs to be elastically deformed. Therefore, it is preferable that the hub 54 be made of a material having excellent force compared to the connector main body 52.
  • Preferred materials for the hub 54 include, but are not particularly limited to, polyethylene, polypropylene, polycarbonate, nylon, ABS resin, and the like.
  • one semicircular wing of the disc-shaped hub 54 is formed so as to be elastically deformable, and three rows are formed on both sides of the fold-shaped projection 56.
  • a receiving groove (recess) 58 is formed substantially parallel to the longitudinal direction A of the connector main body 52.
  • the cross section of the fold 56 is FIG.
  • the projections are formed to be thick at the tops, and furthermore, at the substantially central portion 57 in the longitudinal direction A of the fold-shaped projections 56, the projections are further formed to be thicker.
  • a bulging portion 59 is formed in the hub 54 at a position corresponding to a substantially central portion 57 in the longitudinal direction A of the fold-shaped projection 56.
  • the accommodation groove 58 formed on both sides of the fold-shaped protrusion 56 has a groove width wider toward the bottom when no external force is applied.
  • the groove width of the accommodation groove 58 is the widest part (bottom part) and is wider than the outer diameter of the guide wire 42, and preferably, the protective tube shown in FIG. 4 covering the outer periphery of the balloon catheter 2 shown in FIG.
  • the groove width is about the same as or larger than the outer diameter of 64.
  • the end of the wing piece of the disc-shaped hub 54 on the side where the receiving groove 58 and the fold-shaped projection 57 are formed is attached to the upper surface of the hub 54.
  • a substantially parallel flange 60 is formed.
  • the hub of the connector 50a is attached to the end of the wing piece of the disc-shaped hub 54a.
  • the gripping pieces 60a projecting in a direction substantially perpendicular to the back surface of the 54 may be integrally formed.
  • the wings of the disc-shaped hub 54 are elastically deformed, the width of the upper opening of the accommodation groove 58 is widened, and the guide wire 42 and the FI
  • the protective tube 64 shown in G. 4 can be easily attached and detached.
  • the connector body 52a is formed integrally with the disc-shaped hub 54a.
  • the accommodation grooves 58 are formed in three rows, but from the viewpoint of operability, usually two rows are preferable.
  • the balloon portion 4 of the balloon catheter 2 shown in FIG. 5 is contracted and folded around the catheter tube 6. Further, the guide wire 42 is not inserted into the guide wire lumen 15 and is packaged separately from the balloon catheter 2. Moreover, the catheter tube 6 in which the balloon portion 4 is folded is inserted into the inside of the protective tube 64 as shown in FIG. 4, and the inside of the protective tube 64 is filled with a protective solution such as saline. The balloon catheter 2 is protected from dirt and dust.
  • one row of the disc-shaped hub 54 of the connector 50 attached to the proximal end of the balloon force catheter 2 has three rows of receiving grooves 58 formed therein.
  • a part of the protection tube 64 wound spirally in these housing grooves 58 is detachably inserted and temporarily fixed at a position overlapping the housing groove 58 of the connector 50. Can be.
  • the protective tube 64 into which the long catheter 2 is inserted is bent in a spiral shape and temporarily fixed to the connector, so that the protective tube 64 is not separated. Therefore, it is easy to carry, the packaging material for the balloon catheter 2 can be reduced, and the packaging becomes easy.
  • the balloon catheter 2 When using the balloon catheter 2, first, the balloon catheter 2 is taken out of the protective tube 64, and air in the balloon catheter 2 is removed as much as possible. Therefore, a suction / injection means such as a syringe is attached to the expansion port 16 of the connector 50 shown in FIG. 5, and a fluid such as an iodine-containing blood contrast agent is put into the syringe, and suction and injection are repeated. The air in the second lumen 14 and the balloon section 4 is replaced with fluid.
  • a suction / injection means such as a syringe is attached to the expansion port 16 of the connector 50 shown in FIG. 5, and a fluid such as an iodine-containing blood contrast agent is put into the syringe, and suction and injection are repeated.
  • the air in the second lumen 14 and the balloon section 4 is replaced with fluid.
  • a guide wire for a guide catheter (not shown) is inserted into the blood vessel by the Seldinger method or the like so that the distal end thereof reaches, for example, near the heart. .
  • a guide catheter 32 shown in FIG. 6 is inserted into the arterial blood vessel 34 along the guide wire for the guide catheter, and the distal end thereof is inserted into the coronary artery entrance 4 of the heart 38 having a stenosis part 36.
  • the stenosis portion 36 is formed by, for example, thrombus or arteriosclerosis.
  • pull out only the guide wire for the guide catheter insert a guide wire 42 for the balloon catheter that is thinner along the guide catheter 32, and insert the distal end of the guide wire to a position where it passes through the stenosis 36. .
  • the distal end of the guide wire 42 is inserted into the distal open end 20 of the balloon catheter 2 shown in FIG. 5, and the inside of the guide wire lumen 15 on the distal end side of the first lumen 12 is inserted. And pull it out of the opening 10.
  • the balloon catheter 2 is passed through a guide catheter 32 shown in FIG. 6 along a guide wire 42.
  • the balloon portion 4 of the balloon catheter 2 is inserted to a position just before the stenosis portion 36.
  • FIGS. 7A and 7B the folded balloon portion 4 of the balloon catheter 2 is inserted between the stenosis portions 36 along the guide wire 42.
  • FIG. 7A and 7B the folded balloon portion 4 of the balloon catheter 2 is inserted between the stenosis portions 36 along the guide wire 42.
  • the balloon portion 4 is accurately positioned at the center of the stenosis portion 36 while observing the position of the balloon portion 4 with an X-ray fluoroscope or the like.
  • the stenotic portion 36 of the blood vessel 32 can be expanded, and good treatment can be performed.
  • the balloon section 4 is inflated by injecting a fluid into the balloon section 4 from the inflation port 16 shown in FIG. 5 through the second lumen 14.
  • the expansion time is not particularly limited, but is, for example, about 1 minute.
  • the fluid is quickly evacuated from the balloon portion 4 to contract the balloon portion and secure the blood flow on the peripheral side of the dilated stenosis portion 36.
  • the stenosis 36 must be expanded stepwise so as not to injure the blood vessel 34.At first, the balloon catheter 2 having the balloon portion 4 with a small outer diameter is inserted along the guide wire 42. Then, the balloon catheter 2 is sequentially replaced with a balloon catheter 2 having a balloon portion 4 having a larger outer diameter. At this time, since the balloon catheter 2 according to the present embodiment is a monorail balloon catheter, the guide catheter 4 is slightly longer than a portion corresponding to the length of the guide wire lumen 15. The balloon catheter can be exchanged simply by extending the proximal end of 2 outside the body.
  • the proximal end (outside the body) of the guide wire 42 protruding to the proximal end side from the opening 10 (located in the body) formed on the distal end side of the catheter tube 6. 1 can be removably mounted and temporarily fixed in any of the accommodation grooves 58 formed in the catheter connector 50 located outside the body, as shown in FIG.
  • the proximal end of the guide wire 42 is freely movable along the longitudinal direction of the accommodation groove 58. Therefore, in the balloon catheter 2 according to the present embodiment, the proximal end of the guide wire 42 extending outside the patient separately from the connector 50 of the balloon catheter 2 does not fluctuate, and the no-run catheter 2 Operability is improved.
  • the cross-sectional outer shape of the catheter tube 6 has an elongated shape in the Y-axis direction as shown in FIG. Since two lumens 12 and 14 are formed along the axial direction, the outer diameter in the X-axis direction perpendicular to the Y-axis can be reduced, and wasteful X-axis direction at the cross section of the catheter tube can be achieved. Thick portions can be eliminated. For this reason, the flexibility of the force tail tube is greatly improved, especially in the X-axis direction.
  • the flexibility is enhanced by means of devising the cross-sectional shape of the catheter tube 6 without using a means made of an extremely flexible material, so that the axial rigidity is maintained to some extent. be able to.
  • a reinforcing member such as a reinforcing wire can be inserted into the sealed lumen 17 located on the proximal end side of the first lumen 12 formed in the catheter tube. The pushability of the catheter tube 6 on the proximal end side is further improved.
  • the catheter tube 6 of the present embodiment has uniform flexibility in the axial direction and is not configured by connecting dissimilar materials, a sudden change in the hardness of the catheter tube 6 along the longitudinal direction of the catheter tube 6 occurs. No operability.
  • the catheter tube 6 can be manufactured extremely easily by extrusion or the like.
  • the balloon catheter 2 according to the present embodiment is inserted into the inside of the guiding catheter 32 shown in FIG. 6 and guided to a target position. In that case, the following operation is performed. That is, since the cross section of the force tail tube 6 according to the present embodiment is non-circular, the gap between the inside of the guiding catheter 32 and the inner wall of the guiding catheter 32 can be increased. As a result, when the X-ray contrast medium is injected through the gap, the flow path resistance is reduced and the contrast medium is easily injected.
  • FIG. 8A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • 8A is a modified example of the connector 50 of the first embodiment. Only the configuration of the hub 54b is different. Since they are the same, the description of the overlapping parts will be omitted, and only the different parts will be described.
  • the hub 54 b of the present embodiment has a disk shape as a whole, has a fixing piece 65 and a fastening piece 66, and only the fixing piece 65 is provided on the outer periphery of the tubular connector body 52. It is fixed for.
  • the fastening piece 66 is attached to the outer periphery of the connector body 52 so as to be rotatable in the direction r around the axis, and the opening formed in the fastening piece 66 is provided.
  • the elastically deformable wing piece of the fixed piece 65 is detachably accommodated inside 67.
  • the three rows of accommodating grooves 58 and the two rows of fold projections 56 are integrally formed on one side of the elastically deformable wing of the fixed piece 65, and when no external force is applied, as shown in FIG. 8C.
  • the upper opening of the accommodation groove 58 is formed so as to open as much as possible.
  • An engagement groove 68 is formed on the end wall of the wing piece where the accommodation groove 58 in the fixed piece 65 is formed.
  • the engagement groove 68 has an inner convex portion formed on the inner wall surface of the opening 67 of the fastening piece 66.
  • FIG. 1 At the rotation position where the upper surface of the fastening piece 66 is substantially parallel to the upper surface of the fixing piece 65, FIG.
  • the convex portions 70 of the tightening pieces 66 engage with the engaging grooves 68 to elastically deform the wing pieces of the fixing pieces 65, and the upper opening of the accommodation groove 58 is formed.
  • the width of the groove will be reduced.
  • the connector 50b for a balloon catheter increases the groove width of the upper opening of the accommodation groove 58 when the guide wire 42 (see FIG. 1) or the like is attached to or detached from the accommodation groove 58.
  • the only difference is a mechanism for performing the same operation as the connector 50 of the first embodiment, and other structures and operations are the same.
  • injection molding or other molding is performed in a state where the upper opening of the accommodation groove 58 formed in the hub 54b is wide open (FIG. 8C). Since it is formed by the method, the die-cutting work at the time of molding is easy.
  • FIGS. B and C are cross-sectional views of a main part of the connector.
  • FIG. 9A shown in FIG. 9A is a modified example of the connector 50 of the first embodiment. Only the configuration of the hub 54c is different. Since they are the same, the description of the overlapping parts will be omitted, and only the different parts will be described.
  • the hub 54 c of the present embodiment has a disk shape as a whole, and includes a fixed wing piece 71 constituting one semicircular portion and a pair of gripping wing pieces 72 constituting the other semicircular portion. Has, These are integrally molded.
  • the pair of gripping wing pieces 72 branch off from the fixed wing piece 71 so as to sandwich the outer periphery of the connector body 52, and are elastically deformed so as to be bent as shown in FIG. In a state where the engagement is released, the grip pieces 72 are opened in a direction in which the grip pieces 72 are separated from each other, and the accommodation space (accommodation recess) 58 c is opened.
  • the hook member 74 is rotatably attached to the wing end of one gripping wing piece 72 via a rotating shaft 75, and is formed on the wing end of the other gripping wing piece 72. It has an engagement projection 76 that detachably engages with the engagement groove 78.
  • An inward projection 77 is formed on the wing end facing surface of the pair of gripping wing pieces 72 facing each other, and the engagement projection 76 of the hook member 74 is engaged with the engagement groove 78.
  • the gripping wing pieces 72 are flexed and elastically deformed, and as shown in FIG. 9B, the projections 7 7 approach each other as much as possible, and the width of the accommodation space 58c is reduced. I have.
  • the housing space 58 c formed between the gripping wing pieces 72, 72 penetrates in a direction substantially parallel to the longitudinal direction of the connector body 52, and With the engagement projections 76 engaged with the engagement grooves 78, the gripping wing pieces 72 are flexed and elastically deformed to each other, as shown in FIG. 9B, in the accommodation space 58c.
  • the protection tube 64 can be temporarily fixed.
  • the balloon catheter connector 50 c includes a guide wire 42.
  • the hub 54c of the connector 50c of the present embodiment has a simple shape, and is easily formed by injection molding or another molding method.
  • FIG. 10A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • the connector 50d of the present embodiment shown in FIG. 10A is a modified example of the connector 50c of the third embodiment, except for the configuration of the hub 54d, and the configuration of the other parts. Are the same, so the description of the overlapping parts will be omitted, and only the different parts will be described.
  • the hub 54d of the present embodiment has a disk shape as a whole, and three semi-circular wings of the hub 54d are formed with three gripping blade pieces 72d in the stacking direction. Two storage spaces 58 d are formed between them. The accommodation space 58d penetrates along the longitudinal direction of the connector main body 52.
  • two wing pieces 83, 83 are integrally formed so as to sandwich the outer periphery of the connector 52.
  • a cutout 81 is formed in each of the wing pieces 83, 83, and a cylindrical insertion member 80 is removably attached thereto.
  • a gap 84 between the wing pieces 83, 83 is provided with an insertion member 80.
  • a protrusion 82 formed on the peripheral wall surface of the housing can be detachably inserted.
  • the insertion member 80 may be taken out from the notch 81 of the wing piece 83.
  • the balloon catheter connector 50d according to the present embodiment is different from the third embodiment in that a plurality of accommodation spaces 58d for temporarily fixing the guide wire 42 (see FIG. 1) and the protective tube 64 are formed. Only the connector 50c is different from that of the connector 50c, and the other structure and operation are the same.
  • the hub 54d of the connector 50d according to the present embodiment has a simple shape, and is easily formed by injection molding or another molding method.
  • FIG. 11A is a perspective view of a connector for a vano / single catheter according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • the connector 50e of the present embodiment shown in FIG. 11A is a modified example of the connector 50d of the fourth embodiment, only the configuration of the hub 54e is different, and the configuration of the other parts. Are the same, so the description of the overlapping parts will be omitted, and only the different parts will be described.
  • the hub 54 e of the present embodiment has a disk shape as a whole, and has two semi-circular wing portions of the hub 54 e formed with two gripping blade pieces 72 e in the laminating direction. A single storage space 58 e is formed between them. The accommodation space 58 e penetrates along the longitudinal direction of the connector main body 52.
  • wing pieces 83 e and 83 e are integrally formed so as to sandwich the outer periphery of the connector 52.
  • a cap-shaped cover member 80e is detachably mounted on the outer periphery of the wing pieces 83 and 83.
  • the cover member 80e is formed with a pair of pressing pieces 82e, 82e extending to the base end of the gripping blade piece 72e.
  • the balloon catheter connector 50e includes a mechanism for opening and closing a storage space 58e for temporarily fixing a guide wire 42 (see FIG. 1), a protective tube 64, and the like.
  • the only difference from the connector 50d of the embodiment is that the other structure and operation are the same.
  • the hub of the connector 50e of the present embodiment PT / JP99 / 01346
  • 54 e has a simple shape and is easily molded by injection molding or other molding methods.
  • FIG. 12A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIGS. B and C are cross-sectional views of main parts of the connector.
  • the connector 50f of the present embodiment shown in FIG. 12A is a modified example of the connector 50e of the fifth embodiment, except for the configuration of the hub 54f, and the configuration of the other parts.
  • the common member numbers are shown in the drawings, their description is partially omitted, and only the differences are described.
  • a pair of recesses 88 are formed on the inner wall surfaces of the cover member 80 f facing the insertion holes, and these recesses 8 8 are provided with wing pieces 8 3 f and 8, respectively.
  • the bulge 86 formed on the outer surface of the 3 f wing tip is fitted.
  • the wing pieces 8 3 f, 8 3 f are bulged while the pair of wing pieces 8 3 f, 83 f are completely inserted into the insertion holes of the cover member 80 f.
  • the part 86 fits into the depressions 88, 88, and the operator can feel a click feeling in his hand.
  • FIG. 13A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIG. B is an exploded perspective view of the connector.
  • the connector 50 g of the present embodiment shown in FIG. 13A is a modified example of the connector 50 e of the fifth embodiment, except for the configuration of the hub 54 g, and the configuration of the other parts.
  • the common member numbers are shown in the drawings, their description is partially omitted, and only the differences are described.
  • the wing pieces 83 g and 83 g formed on one side of the hub 54 g are formed into a fan shape, and the wing pieces 83 g and 83 g are formed.
  • the upper surfaces have different angles from each other.
  • protrusions 90, 90 are formed on the inside of the distal ends of the pair of pressing pieces 82g, 82g formed on the cover member 80g, respectively.
  • gripping wing pieces 72 g and 72 g are formed, and between these, a storage space 58 g is formed.
  • the pressing piece 82 With the cover member 80 g attached to the wing pieces 83 g and 83 g, the pressing piece 82 The projections 90, 90 of the g, 82 g press the inclined surfaces 92, 92 formed on the outer surface of the gripping blade pieces 72 g, 72 g formed on the other side of the hub 54 g. I have. As a result, the width of the accommodation space 5 Sg is reduced, and a part of the guide wire 42 shown in FIG. 1 and a part of the protective tube 64 shown in FIG. 4 are temporarily fixed there. (Eighth embodiment)
  • FIG. 14A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIG. 14B is a perspective view of the connector viewed from the back
  • FIG. 14C is an accommodation space formed in the hub of the connector. Is a perspective view showing an opened state
  • FIG. D is a cross-sectional view thereof
  • FIG. E is a cross-sectional view of a main part showing an operation state.
  • the connector 50h of the present embodiment shown in FIG. 14A is a modified example of the connector 50 of the first embodiment, except for the configuration of the hub 54h, and the configuration of the other parts is the same. Therefore, description of overlapping parts is omitted, and only different parts will be described.
  • the hub 54h of the present embodiment has a disk shape as a whole, and has a disk-shaped fixed plate portion 71 and a semi-disk-shaped movable plate portion rotatably mounted on the fixed plate portion 94. 96, which are molded separately.
  • the movable plate portion 96 is rotatable about the connector main body 52, and the fixed plate portion 94 is fixed to the connector main body 52, and a housing space 58 is provided between the plate portions 94 and 96. h is formed.
  • FIGS. 14B and 14C the fixing plate portion 94 is formed with a slit 100 substantially orthogonal to the three rows of mounting grooves 98.
  • FIG. 15A is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIG. B is a plan view of the connector
  • FIG. C is a plan view showing a state where a housing space of the connector is opened. It is.
  • the connector 50i of the present embodiment shown in FIG. 15A is a modified example of the connector 50 of the first embodiment. Only the configuration of the hub 54i is different. Since they are the same, the description of the overlapping parts will be omitted, and only the different parts will be described.
  • the hub 54 i of the present embodiment has a grip portion (fixing portion) 103 of a shape that can be easily gripped by one hand of the operator as a whole, and the grip portion 103 is fixed to the connector body 52. .
  • the grip portion 103 has a fixed plate portion (fixed portion) 94 i formed in a body, and the fixed plate portion 94 i has a rotary knob (movable portion) 96 i via a rotary shaft 106. It is mounted eccentrically and rotatably.
  • an accommodation space 58i is formed between the rotary knob 96i and the side wall of the drip portion 1 ⁇ 3, and the rotary knob 96i, which rotates eccentrically, is fixed to the fixed plate portion 94i.
  • the width of the storage space 58i becomes wider or narrower. That is, on the rotary knob 96i, a projection 108 is formed on a part of the outer periphery, and an operation uneven portion 104 is formed at an outer circumferential position opposite to the protrusion 108, and the operation uneven portion 104 is formed.
  • a rotatable knob 96i is attached to the fixed plate portion 94i so as to be freely rotatable by the rotating shaft 106 nearby.
  • the width of the accommodation space 58i becomes the narrowest at the rotational position where the projection 108 faces the grip portion 103.
  • the proximal end of the guide wire 42 shown in FIG. 1 can be temporarily fixed, or a part of the protective tube 64 shown in FIG. 4 can be temporarily fixed.
  • a groove 98 i for guiding the guide wire 42 shown in 1 may be formed. Also, a groove 110 for guiding the guide wire 42 shown in FIG. 1 may be formed on the wall surface of the grip portion 103.
  • FIG. 16 is a perspective view of a balloon catheter connector according to another embodiment of the present invention
  • FIG. 17 is a cross-sectional view of a main part taken along line XV II-XV II shown in FIG.
  • FIG. 18 is a plan view of a main part of the connector
  • FIG. 19 is a perspective view showing an example of use of the connector.
  • the connector 50j of the present embodiment shown in FIG. 16 is a modified example of the connector 50 of the first embodiment, except for the configuration of the hub 54j, and the configuration of the other parts is the same. Therefore, the description of the duplicated parts is omitted, and only the differences are described.
  • the hub 54j of the present embodiment has a disk shape as a whole, and one semi-circular wing portion of the disk-shaped hub 54j has a center flexible as shown in FIGS. 17 and 18.
  • a slit 128 allowing the flexible pieces 56 'and 56j' to bend outward is formed so as to communicate with the accommodation groove 58j. I have.
  • the rear surface of the hub 54j has Holes 120 and 120 are formed.
  • a concave-convex portion 122 is formed on the rear surface of the hub 54j so as to be easily held by an operator.
  • the space indicated by reference numeral 124 in FIG. 17 is a hole for facilitating molding of the hub 54j.
  • the balloon catheter connector 50 j according to the present embodiment is provided with a protection tube 64 covering the outer periphery of the catheter 6 and the like with respect to the accommodation groove 58 j.
  • a mechanism for expanding the groove width of the upper opening of the housing groove 58 j when attaching and detaching the hub 54 j needs to elastically deform the hub 54 j by itself. Absent. That is, only by pushing the protective tube 64 shown in FIG. 19 or the guide wire 42 shown in FIG. 1 along the accommodation groove 58 j, the flexible pieces 56 j and 56 j ′ bend. It deforms and enters into the accommodation groove 58 j. Since the bulges 126, 126 are formed at the tops of the flexible pieces 56j, 56j in the central part 57j of the flexible piece, FIG. Once the protective tube 64 shown in Fig. 1 and the guide wire 42 shown in Fig. 1 are inserted into the accommodation groove 58j, they will not come off unless they are intentionally removed.
  • the catheter to which the catheter connector according to the present invention is connected is not limited to the above-mentioned monorail type PTCA catheter, but may be an over-the-wire type PTCA balloon catheter. Alternatively, other powers may be used.
  • Industrial applicability is not limited to the above-mentioned monorail type PTCA catheter, but may be an over-the-wire type PTCA balloon catheter. Alternatively, other powers may be used.
  • the catheter connector of the present invention is suitable as a connector for a force catheter of a vascular dilatation balloon catheter, and is particularly suitable as a connector for a monorail type PTC A balloon force catheter.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention concerne un raccord (52) de cathéter, dans lequel l'extrémité proximale d'un fil-guide, une partie ou un accessoire de cathéter et des cavités de rangement (58), dans lesquelles une partie du tube de protection est fixée détachable, sont formées entre une pluralité d'éléments flexibles (54) élastiquement déformables, formés en monobloc avec un bout femelle situé à l'extrémité proximale du cathéter à insérer dans le corps humain et présentant des orifices, sous forme de pièce moulée constituant le cathéter. L'invention concerne également un cathéter à ballonnet, dans lequel des cavités de rangement, où est fixée détachable l'extrémité proximale d'un fil-guide de type monorail (qui peut être changé rapidement) sortant de l'orifice du cathéter, sont formées dans un raccord de cathéter placé à l'extrémité proximale du tube du cathéter.
PCT/JP1999/001346 1998-03-19 1999-03-18 Raccord de catheter et catheter a ballonnet WO1999047202A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10/90940 1998-03-19
JP10090940A JPH11267226A (ja) 1998-03-19 1998-03-19 カテーテル用コネクタおよびバルーンカテーテル

Publications (1)

Publication Number Publication Date
WO1999047202A1 true WO1999047202A1 (fr) 1999-09-23

Family

ID=14012461

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/001346 WO1999047202A1 (fr) 1998-03-19 1999-03-18 Raccord de catheter et catheter a ballonnet

Country Status (2)

Country Link
JP (1) JPH11267226A (fr)
WO (1) WO1999047202A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002015970A1 (fr) * 2000-08-23 2002-02-28 Boston Scientific Limited Cathéter muni d'un dispositif de maintien
EP1306100A1 (fr) * 2001-10-23 2003-05-02 Moynesign Limited Clip pour stockage de cathéter
WO2005011791A2 (fr) * 2003-07-31 2005-02-10 Wilson-Cook Medical Inc. Support de guide-fil
WO2005039681A1 (fr) * 2003-10-16 2005-05-06 Minvasys Systeme de catheter pour pose d'un stent dans des vaisseaux bifurques
WO2009039296A1 (fr) * 2007-09-21 2009-03-26 Sabin Corporation Composants de cathéter et ensemble
US20100152613A1 (en) * 2008-12-11 2010-06-17 Shawn Ryan Clip for handling an endoscopic device
US8480629B2 (en) 2005-01-28 2013-07-09 Boston Scientific Scimed, Inc. Universal utility board for use with medical devices and methods of use
EP2478928A4 (fr) * 2009-09-16 2017-08-23 Terumo Kabushiki Kaisha Porte-cathéter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013157077A1 (fr) * 2012-04-17 2013-10-24 Dehara Makoto Outil d'aide à la manipulation d'objet linéaire
JP6105932B2 (ja) * 2012-12-28 2017-03-29 テルモ株式会社 カテーテルハブ
JP6246429B1 (ja) 2016-03-31 2017-12-13 オリンパス株式会社 内視鏡用処置具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58185212U (ja) * 1982-06-02 1983-12-09 鶴田　勉 固定器つき静脈内留置針
JPH0757247B2 (ja) * 1985-03-14 1995-06-21 クリテイコン・リミテツド 血管内使用のカテ−テル
JPH08280813A (ja) * 1995-04-17 1996-10-29 Create Medic Kk カテーテル固定具付カテーテルシース

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58185212U (ja) * 1982-06-02 1983-12-09 鶴田　勉 固定器つき静脈内留置針
JPH0757247B2 (ja) * 1985-03-14 1995-06-21 クリテイコン・リミテツド 血管内使用のカテ−テル
JPH08280813A (ja) * 1995-04-17 1996-10-29 Create Medic Kk カテーテル固定具付カテーテルシース

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002015970A1 (fr) * 2000-08-23 2002-02-28 Boston Scientific Limited Cathéter muni d'un dispositif de maintien
US6551273B1 (en) 2000-08-23 2003-04-22 Scimed Life Systems, Inc. Catheter having a shaft keeper
EP1306100A1 (fr) * 2001-10-23 2003-05-02 Moynesign Limited Clip pour stockage de cathéter
WO2005011791A2 (fr) * 2003-07-31 2005-02-10 Wilson-Cook Medical Inc. Support de guide-fil
WO2005011791A3 (fr) * 2003-07-31 2005-08-25 Wilson Cook Medical Inc Support de guide-fil
US7637863B2 (en) 2003-07-31 2009-12-29 Wilson-Cook Medical Inc. Wire guide holder
WO2005039681A1 (fr) * 2003-10-16 2005-05-06 Minvasys Systeme de catheter pour pose d'un stent dans des vaisseaux bifurques
US8480629B2 (en) 2005-01-28 2013-07-09 Boston Scientific Scimed, Inc. Universal utility board for use with medical devices and methods of use
WO2009039296A1 (fr) * 2007-09-21 2009-03-26 Sabin Corporation Composants de cathéter et ensemble
US20110125133A1 (en) * 2007-09-21 2011-05-26 Sabin Corporation Catheter Components and Assembly
US20100152613A1 (en) * 2008-12-11 2010-06-17 Shawn Ryan Clip for handling an endoscopic device
EP2478928A4 (fr) * 2009-09-16 2017-08-23 Terumo Kabushiki Kaisha Porte-cathéter

Also Published As

Publication number Publication date
JPH11267226A (ja) 1999-10-05

Similar Documents

Publication Publication Date Title
US5364355A (en) Holding system for coiled intravascular products
EP1731189B1 (fr) Corps d'emballage de cathéter
US4758221A (en) Catheter with a tip manipulation feature
US5848691A (en) Package for sphincterotome or catheter including structure maintaining shape of distal tip
US7875018B2 (en) Method for manipulating an adjustable shape guide catheter
US8801744B2 (en) Expandable introducer sheath to preserve guidewire access
US6183462B1 (en) Method of using a vessel cannula having properties varying along the axial length
MXPA01010074A (es) Cateter manipulable mecanicamente.
JP2004524912A (ja) カテーテル収納具
WO1999047202A1 (fr) Raccord de catheter et catheter a ballonnet
CA2254592A1 (fr) Catheter a ballonnet de transition spirale, montage et procedure
MX2011003746A (es) Sistema de cateter frugal de inventario.
JP2010500907A (ja) 医療器具のための取り外し可能なハブアセンブリ
WO2012011518A1 (fr) Cathéter de type à hémostase intravasculaire
CA2110709A1 (fr) Systeme de catheter vasculaire universel
JP6525655B2 (ja) バルーンカテーテル組立体
US8512293B2 (en) Valves and hubs for tubular medical devices and methods for making and using them
JPH11342208A (ja) バルーンカテーテル
JP4603149B2 (ja) カテーテルイントロデューサ
JP4847722B2 (ja) 医療用チューブ包装体
JPH04144572A (ja) バルーンおよびバルーンカテーテル
EP1595566B1 (fr) Emballage pour cathéter avec un clip intégré
JP2022536919A (ja) 大動脈内バルーンポンプカテーテル及びシースシールアセンブリ
JP4900242B2 (ja) 大動脈内バルーンポンピングセット
JPH11332992A (ja) カテーテル保持具

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 09646535

Country of ref document: US

122 Ep: pct application non-entry in european phase