WO2015111680A1 - Cathéter et embase de cathéter - Google Patents

Cathéter et embase de cathéter Download PDF

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Publication number
WO2015111680A1
WO2015111680A1 PCT/JP2015/051758 JP2015051758W WO2015111680A1 WO 2015111680 A1 WO2015111680 A1 WO 2015111680A1 JP 2015051758 W JP2015051758 W JP 2015051758W WO 2015111680 A1 WO2015111680 A1 WO 2015111680A1
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WO
WIPO (PCT)
Prior art keywords
taper
catheter
catheter hub
distal end
proximal end
Prior art date
Application number
PCT/JP2015/051758
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English (en)
Japanese (ja)
Inventor
川口道寛
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テルモ株式会社
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Filing date
Publication date
Application filed by テルモ株式会社 filed Critical テルモ株式会社
Publication of WO2015111680A1 publication Critical patent/WO2015111680A1/fr

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    • 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
    • A61M2025/0098—Catheters; Hollow probes having a strain relief at the proximal end, e.g. sleeve

Definitions

  • the present invention relates to a catheter and a catheter hub provided at the proximal end of the catheter.
  • This type of catheter generally includes a long shaft constituting a catheter body and a catheter hub connected to the proximal end portion of the shaft (see, for example, Patent Document 1).
  • a catheter hub On the proximal end side of the catheter hub, an opening is formed through which a device such as a syringe or a three-way stopcock having a male-luer taper formed on the outer peripheral surface can be inserted.
  • a female luer taper to which a male luer taper can be fitted is formed on the inner wall surface of the opening.
  • the taper ratio of male luer taper and female luer taper is defined by ISO 594 and JIS (Explanation of medical device standards) and is defined as 6%.
  • the lower limit length is set according to ISO594 and JIS (Explanation of medical device standard standards), but the upper limit length is not set.
  • the male luer taper and female luer taper fit together in a fluid-tight manner, so that the length of the male luer taper is longer than the length of the female luer taper formed on the proximal end side of the catheter hub. Is also set longer.
  • the male luer taper is more than necessary to the position on the distal end side than the female luer taper of the catheter hub. Easy to insert. For example, if the male luer taper is pushed too far into the catheter hub, it may be difficult to remove the male luer taper. Furthermore, if the male luer taper is pushed too far into the catheter, the catheter hub may deform and possibly break the catheter hub.
  • the present invention solves the above-described problems, and an object of the present invention is to provide a catheter and a catheter hub that can suppress excessive push-in of a male-luer taper formed on an instrument to be connected.
  • a catheter according to the present invention that achieves the above object includes a shaft that is inserted into a living body, a hub lumen that is provided at a proximal end of the shaft and communicates with a lumen of the shaft, and a proximal end of the hub lumen.
  • a catheter hub having a proximal end opening that opens, wherein the catheter hub has a first tapered portion with an inner diameter decreasing from the proximal end opening toward the distal end, and the first tapered portion.
  • a second taper portion having an inner diameter that decreases in a larger proportion than the first taper portion from the tip side toward the tip direction, and a male-luer taper provided between the first taper portion and the second taper portion.
  • a locking portion capable of locking the cylindrical portion of the instrument including the cylindrical portion formed on the outer peripheral surface of the distal end.
  • the male luer taper of the cylindrical portion formed in the instrument is in liquid-tight contact with the first tapered portion of the catheter hub, and the distal end of the cylindrical portion is in contact with the locking portion to be locked. Therefore, it can suppress by a latching
  • the length of the first taper portion in the axial direction is 6.1 to 9.0 mm, the length from the proximal end opening of the locking portion does not become too long and is formed in the instrument.
  • the male / luer taper of the cylindrical part can be reliably locked by reliably contacting the locking part.
  • the locking portion is formed with a step whose inner diameter decreases from the first taper portion toward the second taper portion at a rate larger than the first taper portion and the second taper portion, The cylindrical portion inserted into the first tapered portion hits the locking portion, and the locking portion can reliably prevent the cylindrical portion from being inserted more than necessary. Further, since the locking portion is formed with a step, the inner diameter of the second taper portion is smaller than that of the first taper portion and the locking portion, and the thickness of the catheter hub at the second taper portion can be sufficiently secured. Therefore, it is possible to sufficiently ensure the rigidity of the catheter hub and to prevent the catheter hub from being deformed or cracked due to excessive pushing.
  • the step is a connection region that connects the distal end of the first tapered portion and the proximal end of the second tapered portion, and the inclination angle of the first tapered portion with respect to the axis of the catheter hub and the second tapered portion.
  • the inclination angle with respect to the axis of the catheter hub is larger than the inclination angle with respect to the axis of the catheter hub.
  • the locking portion is formed in a tapered shape
  • the distal end of the tube portion is brought into close contact with the locking portion by pushing the tube portion formed on the instrument, and the liquid tightness between the catheter hub and the tube portion is fixed. Can be improved.
  • the locking portion is formed in a tapered shape
  • the guide wire guided through the first taper portion is obstructed by the locking portion. It is possible to smoothly lead to the second tapered portion without being done.
  • the thickness of the catheter hub changes in a tapered shape along the axis at the locking portion, it is possible to suppress stress concentration on a portion of the catheter hub and to prevent the catheter hub from being deformed or cracked. .
  • the locking portion in the radial direction is 0.05 to 0.2 mm, the locking portion can be sufficiently locked with the tip of the cylindrical portion, and even if it is thin, it is about 0.5 mm.
  • the length of the locking portion in the radial direction is smaller than the radius of the guide wire, so that the insertion of the guide wire is not easily blocked by the locking portion, and the guide wire can be easily inserted.
  • the male luer taper of the tubular portion formed on the instrument is in fluid-tight contact with the first tapered portion of the catheter hub, and the distal end of the tubular portion is in contact with the locking portion. Since it is locked, it can suppress that a cylinder part is inserted deeply more than necessary.
  • proximal end side the side inserted into the living body
  • distal end side the side inserted into the living body
  • a catheter 10 As shown in FIG. 1, a catheter 10 according to an embodiment of the present invention is inserted into a living body lumen such as a blood vessel so that the tip reaches a target site to inject a therapeutic drug or a diagnostic contrast medium. It is used to perform such treatment.
  • the catheter 10 includes a thin and long shaft 20, a catheter hub 30 connected to the proximal end side of the shaft 20, and a strain relief 50 provided at a connection portion of the shaft 20 to the catheter hub 30.
  • the shaft 20 constitutes a catheter body that is inserted into a living body lumen such as a blood vessel, and has a flexibility in which a lumen 21 (see FIG. 2) communicating from the distal end to the proximal end is formed. It is a long and thin tubular member.
  • the length of the shaft 20 is not particularly limited, but is, for example, 500 mm to 2000 mm, preferably 1000 mm to 1500 mm.
  • the outer diameter of the shaft 20 is not particularly limited, but is, for example, 0.3 mm to 3 mm, preferably 0.4 mm to 2 mm.
  • the inner diameter of the shaft 20 is not particularly limited, but is, for example, 0.2 mm to 2.5 mm, preferably 0.3 mm to 1.8 mm.
  • the outer diameter and inner diameter of the shaft 20 may be smaller toward the distal end side.
  • the most distal portion of the shaft 20 may be formed in a tapered shape.
  • a radiopaque marker (contrast marker) 22 is fixed to the outer peripheral surface in the vicinity of the most distal portion of the shaft 20.
  • the radiopaque marker 22 is made of a material having radiolucency, such as gold or platinum, so that the distal end position of the catheter 10 can be viewed in vivo under radiography. Is for.
  • the catheter hub 30 is a member having a hollow structure that holds the proximal end of the shaft 20 at its distal end, and other devices such as a syringe and a three-way stopcock can be connected to the proximal end.
  • the catheter hub 30 is not specifically limited, For example, hard catheters, such as a polycarbonate, polyethylene, a polypropylene, etc. may be comprised.
  • the catheter hub 30 is made of a transparent material (polycarbonate or the like).
  • the strain relief 50 is for preventing kinking at the connection portion of the shaft 20 to the catheter hub 30 and is, for example, a resin-made member having an appropriate flexibility and rigidity formed in a tapered tube shape. .
  • the strain relief 50 can be made of the same material as that of the shaft 20, for example.
  • a syringe 70 will be described as an example of an instrument that can be connected to the catheter hub 30.
  • the syringe 70 is screwed into an outer cylinder 71 that contains a medicine and the like, a cylinder portion 72 that is formed at the distal end of the outer cylinder 71, and a helical convex portion 33 of the catheter hub 30 described later. And a threaded portion 74 in which a spiral groove 73 is formed.
  • the cylindrical portion 72 has a male-luer taper formed on the outer peripheral surface, and the outer diameter decreases in the distal direction.
  • the taper rate of the outer peripheral surface of the cylindrical portion 72 is defined as 6% according to ISO594 and JIS (Explanation of Standard Standards for Medical Devices), that is, the inclination angle of the cylindrical portion 72 with respect to the axis Y is defined as about 3.4 degrees.
  • the length along the axis Y of the male luer taper is 7.5 mm or more according to the ISO standard, and 6.5 mm or more according to the JIS standard, and the upper limit is not limited in any standard.
  • the length L along the axis Y of the cylindrical portion 72 where the male / luer taper is formed is conventionally set to be longer than the lower limit value of the standard. Specifically, it fits liquid-tight with the female / luer taper.
  • the outer diameter D at the tip of the cylindrical portion 72 is 4.270 to 4.315 mm according to the ISO standard, and 4.2769 to 4.3204 mm according to the JIS standard.
  • the catheter hub 30 includes a hollow body portion 31, a plurality of (two in this embodiment) blade portions 32 protruding from the outer surface of the body portion 31, and a base of the body portion 31. It is comprised from the helical convex part 33 formed in the outer surface of an edge part.
  • the body portion 31 includes a hub lumen 34 that communicates with the lumen 21 of the shaft 20, and a proximal end opening 35 that opens at the proximal end of the hub lumen 34.
  • the spiral convex portion 33 can be screwed with a spiral groove 73 formed in the screwing portion 74 of the syringe 70 (see FIG. 3).
  • the proximal end opening portion 35 can be inserted with the cylindrical portion 72 of the syringe 70.
  • a shaft holding portion 36 is provided on the distal end side with respect to the hub lumen 34.
  • the base end portion 23 of the shaft 20 is held and fixed to the shaft holding portion 36.
  • a stepped portion 37 having a diameter reduced with respect to the shaft holding portion 36 is provided, and the proximal end portion 23 of the shaft 20 is in contact with the stepped portion 37.
  • the catheter hub 30 is provided at the rear end of the shaft 20 by insert molding.
  • the catheter hub 30 is not limited to the one formed by insert molding.
  • the catheter hub 30 and the shaft 20 are manufactured separately, and the proximal end portion 23 of the shaft 20 is inserted into the distal end of the catheter hub 30, It may be bonded by an appropriate bonding means such as adhesion or heat fusion.
  • the catheter hub 30 includes a first taper portion 38 whose inner diameter decreases from the proximal end opening 35 toward the distal end, and a second taper portion whose inner diameter decreases from the distal end side toward the distal end direction relative to the first taper portion 38. 39 and a locking portion 40 provided between the first taper portion and the second taper portion 39 and capable of locking the tip of a cylindrical portion 72 formed on the syringe 70.
  • the first taper portion 38 is configured as a female luer taper into which a male luer taper formed on the outer peripheral surface of the cylindrical portion 72 of the syringe 70 can be fitted. Further, the first taper portion 38 has an inner peripheral surface that is reduced in diameter toward the distal end when the guide wire 60 (see FIG. 4) having the distal end portion 61 bent from the proximal end side of the catheter hub 30 is inserted. Thus, the distal end portion 61 of the guide wire 60 is guided to the center side of the catheter hub 30.
  • the taper rate of the first taper portion 38 is defined by ISO and JIS standards, that is, the inclination angle of the first taper portion 38 with respect to the axis X is about 3.4 degrees.
  • the length L1 along the axis X of the first taper portion 38 is 7.5 mm or more according to the ISO standard, and 6.1 mm or more according to the JIS standard, and the upper limit is limited in any standard. In this embodiment, it is 6.1 mm to 9 mm, preferably 7.5 mm to 9 mm.
  • the length L1 along the axis X of the first taper portion 38, that is, the length L1 from the base end opening 35 to the locking portion 40 is 6.1 mm or more, preferably 7.5 mm or more.
  • the length of the locking portion 40 from the proximal end opening 35 is not too short, and a sufficient contact area between the cylindrical portion 72 and the first tapered portion 38 can be ensured. Furthermore, when the length L1 along the axis X of the first taper portion 38 is 9.0 mm or less, it is shorter than the male / luer taper of the cylindrical portion 72, which is usually about 9 mm as described above. Thus, the tip of the cylinder 72 where the male luer taper is formed can be satisfactorily locked to the locking portion 40.
  • the length L1 along the axis X of the first tapered portion 38 is set to be shorter than the length L along the axis Y of the cylindrical portion 72. Thereby, the female luer taper that is the first taper portion 38 and the male luer taper of the cylindrical portion 72 are easily liquid-tightly fitted, and safety is improved. Since the taper ratio of the first taper portion 38 is defined by ISO and JIS standards, the length L1 along the axis X of the first taper portion 38 is along the axis Y of the cylindrical portion 72.
  • the length L1 along the axis X of the first tapered portion 38 is preferably set to be shorter by about 0.1 to 3.0 mm than the length L along the axis Y of the cylindrical portion 72. .
  • the locking portion 40 is formed with a step whose inner diameter decreases from the first taper portion 38 toward the second taper portion 39 at a rate larger than that of the first taper portion 38 and the second taper portion 39.
  • the level difference of the locking portion 40 is formed in a tapered shape in the present embodiment.
  • the locking part 40 is a part that restricts the movement of the cylindrical part 72 further in the distal direction by contacting the cylindrical part 72 by contacting the distal end of the cylindrical part 72 inserted into the first taper part 38. Further, when the guide wire 60 (see FIG. 4) having the distal end portion 61 bent is inserted from the proximal end opening portion 35, the locking portion 40 is inserted into the distal end portion of the guide wire 60 via the first taper portion 38.
  • the inner peripheral surface that receives 61 and decreases in diameter toward the distal direction guides the distal end portion 61 of the guide wire 60 toward the center of the catheter hub 30 and guides it to the second tapered portion 39.
  • the length L2 along the axis X direction of the locking portion 40 is not particularly limited, and is, for example, 6.1 mm to 9 mm, preferably 7.5 mm to 9 mm.
  • the inclination angle of the locking portion 40 with respect to the axis X is larger than the inclination angle of the first taper portion 38, for example, greater than 3.4 degrees (taper rate 6%) and 90 degrees or less, preferably 30 degrees to 60 degrees. Degree.
  • the inclination angle of the locking portion 40 with respect to the axis X is preferably the same angle at all positions in the circumferential direction, but may be partially different.
  • the length H along the radial direction of the locking portion 40 is not particularly limited, but is, for example, 0.05 to 0.2 mm.
  • the length H along the radial direction of the locking portion 40 is represented by the difference between the radius inside the proximal end of the locking portion 40 and the radius inside the distal end of the locking portion 40. If the length H along the radial direction of the locking part 40 is 0.05 mm or more, the locking part 40 can sufficiently lock the tip of the cylindrical part 72.
  • the radial direction of the locking portion 40 is inserted when the guide wire 60 having a thickness of about 0.5 mm is inserted. Is smaller than the radius of the guide wire 60. Therefore, the insertion of the guide wire 60 is not easily inhibited by the locking portion 40, and the insertion of the guide wire 60 is facilitated.
  • the inner diameter D1 of the locking portion 40 at the position of the distal end of the length L1 in the distal direction along the axis X from the proximal end opening 35 is such that the male luer taper of the cylindrical portion 72 is changed to a female luer taper which is the first tapered portion 38.
  • the tip of the cylindrical portion 72 is configured to be locked to the locking portion 40 in a state of being fitted in a liquid-tight manner.
  • the position of the distal end of the length L ⁇ b> 1 is the position of the proximal end of the locking portion 40.
  • the outer diameter D is preferably the same as the outer diameter D at the distal end of the cylindrical portion 72 or slightly smaller than the outer diameter D in consideration of the deformation of the catheter hub 30 and the cylindrical portion 72, for example, 3.73 mm to 3.95 mm, Preferably, it is 3.73 mm to 3.87 mm.
  • the inner diameter of the second taper portion 39 decreases toward the tip direction at a rate larger than that of the first taper portion 38. Therefore, the second taper portion 39 has a guide wire 60 (via the first taper portion 38 and the locking portion 40) when the guide wire 60 with the distal end portion 61 bent is inserted from the proximal end side of the catheter hub 30. The tip 61 of FIG. 4) is received. And the 2nd taper part 39 plays the role which guide
  • the length L3 of the second taper portion 39 along the axis X direction is not particularly limited, but is, for example, 2 mm to 15 mm, preferably 5 mm to 10 mm.
  • the inclination angle of the second taper portion 39 with respect to the axis X is not particularly limited, but is, for example, greater than 3.4 degrees (taper rate 6%) and 25 degrees or less, and preferably 10 degrees to 20 degrees.
  • the first taper portion 38, the locking portion 40, and the second taper portion 39 may have different inner surface smoothness.
  • the cylindrical portion 72 of the syringe 70 is inserted into the proximal end opening 35 of the catheter hub 30. Since the outer peripheral surface of the cylindrical portion 72 is a male-luer taper, the cylindrical portion 72 is in contact with the first tapered portion 38 of the catheter hub 30 which is a female-luer taper. Screwed into the spiral groove 73. In this state, when the syringe 70 is rotated with respect to the catheter hub 30 about the axis X of the catheter hub 30, since the spiral convex portion 33 and the spiral groove 73 are screwed, the cylindrical portion 72 is connected to the catheter hub 30.
  • the distal end of the cylindrical portion 72 comes into contact with and is locked with the locking portion 40 while the outer peripheral surface of the cylindrical portion 72 is in fluid-tight contact with the first tapered portion 38 of the catheter hub 30.
  • the distal end of the cylindrical portion 72 is locked to the locking portion 40, the insertion of the cylindrical portion 72 further into the back is suppressed by the locking portion 40. Thereby, it becomes difficult to remove the cylindrical portion 72 from the catheter hub 30, and it is possible to suppress the occurrence of deformation, cracking, and the like of the catheter hub 30 that may be caused by excessive pressing of the cylindrical portion 72.
  • the length L1 in the axial direction of the first tapered portion 38 is 6.1 to 9.0 mm, the distance from the proximal end opening 35 to the locking portion 40 does not become too long, and the syringe 70 ( The male luer taper of the cylindrical portion 72 of the instrument) can reliably contact the locking portion 40 and be locked well.
  • the locking portion 40 is formed with a step whose inner diameter decreases from the first taper portion 38 toward the second taper portion 39 at a larger ratio than the first taper portion 38 and the second taper portion 39. For this reason, the locking portion 40 can more reliably suppress the distal end of the cylindrical portion 72 inserted into the first tapered portion 38 from hitting the locking portion 40 and the cylindrical portion 72 being inserted more than necessary. Furthermore, since the locking portion 40 is formed with a step, the inner diameter of the second taper portion 39 is smaller than that of the first taper portion 38 and the locking portion 40, and the thickness of the catheter hub 30 at the second taper portion 39. You can secure enough. Therefore, the rigidity of the catheter hub 30 can be sufficiently secured, and the deformation or cracking of the catheter hub 30 that can be caused by excessive pressing can be more reliably suppressed.
  • locking part 40 is formed in taper shape, the front-end
  • the locking portion 40 is formed in a tapered shape, the guide wire 60 guided through the first taper portion 38 is inserted into the locking portion when the guide wire 60 is inserted from the proximal end opening 35.
  • the second taper portion 39 can be smoothly guided to the second taper portion 39 without being hindered by 40.
  • the inner wall of the catheter hub 30 also changes in a taper shape along the axis X in the locking portion 40, the thickness of the catheter hub 30 formed by the inner wall and the outer surface of the catheter hub 30 is also gentle in the locking portion 40. Change. Therefore, when the cylinder part 72 is pushed into the catheter hub 30, it is possible to suppress the stress from being concentrated on the locking part 40 of the catheter hub 30, and to prevent the catheter hub 30 from being deformed or cracked.
  • the locking portion 40 can be sufficiently locked to the tip of the cylindrical portion 72 and is 0 even if it is thin.
  • the length H in the radial direction of the locking portion 40 is smaller than the radius of the guide wire 60. Therefore, the insertion of the guide wire 60 is not easily inhibited by the locking portion 40, and the insertion of the guide wire 60 is facilitated.
  • the locking portion 80 may be formed as a convex portion that protrudes radially inward.
  • the inclination angle of the locking portion 80 with respect to the axis X is preferably the same angle at all positions in the circumferential direction, but may be partially different.
  • spiral protrusion 33 is not provided in the catheter hub 30, and the screwing portion 74 that is screwed with the spiral protrusion 33 may not be provided in the syringe 70.
  • one or more other taper portions having an inclination angle different from that of the second taper portion may be provided on the distal end side of the locking portion and on the distal end side or the proximal end side of the second taper portion. Good.

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Abstract

　La présente invention concerne un cathéter et une embase de cathéter capables d'inhiber l'introduction sur une trop grande profondeur d'un collet Luer mâle présent sur un instrument destiné à être raccordé. La présente invention concerne, donc, un cathéter (10) possédant une tige (20) pour son introduction dans un organisme et une embase de cathéter (30) présente au niveau de l'extrémité proximale de la tige (20) et comportant une cavité interne d'embase (34) en communication avec la cavité interne de la tige (20) et une partie d'ouverture terminale proximale (35) qui s'ouvre au niveau de l'extrémité proximale de la cavité interne de l'embase (34), ladite embase de cathéter (30) comportant une première partie conique (38) dont le diamètre intérieur va en diminuant de la partie d'ouverture terminale proximale (35) vers l'extrémité distale, une seconde partie conique (39) dont le diamètre intérieur va en diminuant de façon plus prononcée que celui de la première partie conique (38) depuis le côté terminal distal et en allant vers l'extrémité distale et une pièce de type butée (40), située entre la première partie conique (38) et la seconde partie conique (39), et qui est capable d'arrêter l'extrémité distale d'un instrument comportant un collet Luer mâle au niveau de son extrémité distale.
PCT/JP2015/051758 2014-01-27 2015-01-23 Cathéter et embase de cathéter WO2015111680A1 (fr)

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JP2014011946A JP2017051211A (ja) 2014-01-27 2014-01-27 カテーテルおよびカテーテルハブ
JP2014-011946 2014-01-27

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Cited By (4)

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EP3178515A1 (fr) * 2015-11-26 2017-06-14 Terumo Kabushiki Kaisha Cathéter
WO2017098198A1 (fr) * 2015-12-07 2017-06-15 Diasolve Ltd Appareil à microcathéter
JP2022545323A (ja) * 2019-06-21 2022-10-27 ベクトン・ディキンソン・アンド・カンパニー 医療用チューブ接続用のストレインリリーフアダプタ
EP4039314A4 (fr) * 2019-10-01 2023-08-23 Japan Lifeline Co., Ltd. Cathéter

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CN106255451B (zh) 2014-05-06 2020-03-17 圣犹达医疗用品心脏病学部门有限公司 电极支撑结构组件
US10118022B2 (en) 2014-06-05 2018-11-06 St. Jude Medical, Cardiology Division, Inc. Deflectable catheter shaft section
US9844645B2 (en) 2014-06-17 2017-12-19 St. Jude Medical, Cardiology Division, Inc. Triple coil catheter support
US10602983B2 (en) 2015-05-08 2020-03-31 St. Jude Medical International Holding S.À R.L. Integrated sensors for medical devices and method of making integrated sensors for medical devices
JP6445742B1 (ja) 2015-10-21 2018-12-26 セント・ジュード・メディカル，カーディオロジー・ディヴィジョン，インコーポレイテッド 高密度電極マッピングカテーテル
US11786705B2 (en) 2016-10-24 2023-10-17 St. Jude Medical, Cardiology Division, Inc. Catheter insertion devices
EP3531903B1 (fr) 2017-01-19 2021-02-17 St. Jude Medical, Cardiology Division, Inc. Visualisation de gaine
US11647935B2 (en) 2017-07-24 2023-05-16 St. Jude Medical, Cardiology Division, Inc. Masked ring electrodes
CN111491582B (zh) 2017-11-28 2023-12-05 圣犹达医疗用品心脏病学部门有限公司 受控式可膨胀导管
US10946167B2 (en) * 2018-06-14 2021-03-16 Covidien Lp Catheter hub and strain relief
EP3809962A2 (fr) 2018-08-23 2021-04-28 St. Jude Medical, Cardiology Division, Inc. Cathéter de cartographie à électrodes haute densité incurvées
US11918762B2 (en) 2018-10-03 2024-03-05 St. Jude Medical, Cardiology Division, Inc. Reduced actuation force electrophysiology catheter handle
WO2024024350A1 (fr) * 2022-07-28 2024-02-01 テルモ株式会社 Cathéter

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JP2007501051A (ja) * 2003-08-06 2007-01-25 キンバリー クラーク ワールドワイド インコーポレイテッド チューブとの取り外し可能な結合のための結合機構を備えるコネクタ
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Publication number Priority date Publication date Assignee Title
EP3178515A1 (fr) * 2015-11-26 2017-06-14 Terumo Kabushiki Kaisha Cathéter
US11247023B2 (en) 2015-11-26 2022-02-15 Terumo Kabushiki Kaisha Catheter
WO2017098198A1 (fr) * 2015-12-07 2017-06-15 Diasolve Ltd Appareil à microcathéter
JP2022545323A (ja) * 2019-06-21 2022-10-27 ベクトン・ディキンソン・アンド・カンパニー 医療用チューブ接続用のストレインリリーフアダプタ
JP7455148B2 (ja) 2019-06-21 2024-03-25 ベクトン・ディキンソン・アンド・カンパニー 医療用チューブ接続用のストレインリリーフアダプタ
EP4039314A4 (fr) * 2019-10-01 2023-08-23 Japan Lifeline Co., Ltd. Cathéter

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