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WO2001066177A1 - Canule d'introduction de diagnostic ou de therapie - Google Patents

Canule d'introduction de diagnostic ou de therapie Download PDF

Info

Publication number
WO2001066177A1
WO2001066177A1 PCT/JP2000/001376 JP0001376W WO0166177A1 WO 2001066177 A1 WO2001066177 A1 WO 2001066177A1 JP 0001376 W JP0001376 W JP 0001376W WO 0166177 A1 WO0166177 A1 WO 0166177A1
Authority
WO
WIPO (PCT)
Prior art keywords
puncture needle
rear end
blade surface
angle
opening blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2000/001376
Other languages
English (en)
Japanese (ja)
Inventor
Akio Higuchi
Hayato Hyugaji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Japan Co Ltd
Original Assignee
Dr Japan 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 Dr Japan Co Ltd filed Critical Dr Japan Co Ltd
Priority to PCT/JP2000/001376 priority Critical patent/WO2001066177A1/fr
Publication of WO2001066177A1 publication Critical patent/WO2001066177A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/065—Guide needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22038—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with a guide wire

Definitions

  • the present invention relates to a puncture needle used for inserting a guidewire, a tube, or the like into an internal organ or a blood vessel.
  • Puncture a hollow puncture needle into an internal organ or blood vessel insert a guidewire, tube, etc. into the puncture needle and send it to a specific site while observing the tip of the guidewire, tube, etc. with an ultrasonic image, etc. Diagnosis and treatment of collecting tissue at the specific site or administering to the specific site
  • the conventional puncture needle used for this diagnosis and treatment has a linear or curved tip, and as shown in FIGS. 5 and 6, a hollow tube made of stesilless steel is connected to an axial center line. The shape is cut at a plane that intersects at an acute angle of 7 ⁇ / 4 radian (45 degrees) or less. Except for the front end 16 that is ground on both sides to facilitate puncturing, the opening blade surface 12 has a hollow elliptical planar shape, and the inner rear end 18 of the opening blade surface 12 has an acute angle. Cutting edge angle.
  • the present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a puncture needle for projecting from an opening blade surface by inserting a guide wire, a tube, or the like for diagnosis and treatment. It is an object of the present invention to provide a wire, a tube, and the like that are not damaged even if they come into contact with the inner rear end of the opening blade surface during operation.
  • Means adopted by the present invention to achieve the above object is that the opening blade surface of the puncture needle has a three-dimensional shape, and the cutting edge angle at the inner rear end of the opening blade surface is a right angle or an angle close thereto. .
  • the front half of the opening blade surface crosses the plane oblique to the axis, and the rear end crosses the axis at a right angle or close to it.
  • Each part is located on a plane, and the part from the front half to the rear end is located on an S-shaped curve where both ends are bent in reverse when viewed from the side.
  • a guide wire, a Ube, or the like protruding from the opening blade surface of the puncture needle comes into contact with the inner rear end of the opening blade surface during operation, but the inner rear end of the puncture needle of the present invention has a right angle or a cutting angle.
  • the puncture needle of the present invention is easy to puncture because the front end of the opening blade surface is sharp, but the cutting edge angle at the inner rear end of the opening blade surface is a conventional acute angle. In contrast to this, it is a right angle or an angle close to it, and does not act as a cutting blade.Therefore, a guide wire, tube, etc. that is inserted through a puncture needle and protrudes from the blade surface for diagnosis and treatment is opened during operation. Even if the abutment comes into contact with the inner rear end of the blade surface, It has an excellent effect that there is no risk of damage or amputation affecting diagnosis and treatment. BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is a plan view showing a puncture needle tip of the first embodiment of the present invention
  • FIG. 2 is a cross-sectional view of the puncture needle tip of FIG. 1,
  • FIG. 3 is a diagram corresponding to FIG. 1 of the second embodiment
  • FIG. 4 is a cross-sectional view of the tip of the puncture needle of FIG. 3,
  • FIG. 5 is a plan view of a tip portion of a conventional puncture needle
  • FIG. 6 is a cross-sectional view of the tip portion of the puncture needle in FIG. 5, the best mode for carrying out the invention.
  • a puncture needle according to the present invention will be described based on a first embodiment shown in the drawings.
  • FIG. 1 and FIG. 2 are a plan view and a vertical sectional view showing a distal end portion of the puncture needle of the first embodiment.
  • the puncture needle 1 shown in FIG. 1 has a linear tip.
  • the front half 3 of the three-dimensional opening blade surface 2 has a wide semi-elliptical shape.
  • both sides of the front end 6 are ground and the outer front end 7 is sharply finished.
  • the rear end portion 4 of the open blade surface 2 is a straight line having no width extending in a direction perpendicular to the axis 9 of the puncture needle.
  • the two intermediate portions 5 extending from the front half 3 to the rear end 4 extend from the rear end of the front half 3 in a straight line having a width parallel to the axis 9 and bend in an arc shape, and are accommodated in the rear end 4. I do.
  • the opening blade surface 2 When viewed from the side, the opening blade surface 2 is a diagonal line that intersects with the axis 9 at an acute angle of 7 ⁇ / 4 radian (45 degrees) or less, as shown in Fig. 2, and The end 4 is a perpendicular extending to the axis 9.
  • the middle part 5 connecting the end parts 4 is an S-shaped curve, the part continuing from the first half part 3 is loosely bent, then extends horizontally in a straight line, and then connects to the rear end part 4 by drawing a quadrant arc .
  • the front end 6 of the opening blade surface 2 is ground, and the outer front end 7 has a sharp cutting edge angle, and is sharp after finishing. Since the cutting edge angle of the inner rear end 8 of the opening blade surface 2 is a right angle, it does not act as a cutting edge after finishing.
  • the guide wire 10 protruding from the opening blade surface 2 often comes into contact with the inner rear end 8 of the opening blade surface 2 during operation, but as described above, the cutting edge angle of the inner rear end 8 is a right angle. Since it does not act as a cutting blade, there is almost no risk that the surface of the guide wire 10 or the like will peel off due to contact with the inner rear end 8 and the operation of the guide wire 10 or the like will not be smooth. Also, there is no possibility that the guide wire 10 or the like abuts on the inner rear end 8 and is cut or damaged.
  • FIG. 3 and FIG. 4 are a plan view and a vertical sectional view showing a main part of a puncture needle 1a according to a second embodiment.
  • the puncture needle 1a has a curved tip, and the open blade surface 2a has a three-dimensional shape. '
  • the puncture needle la is horizontal, and viewed from above, the front half 3a of the opening blade surface 2a except for the front end 6a It is semi-elliptical with a width.
  • the ground front end 6a forms an acute angle.
  • the rear end 4a has a wide semi-elliptical shape.
  • the middle part 5a between the front half part 3a and the rear end part 4a is two parallel straight lines having a width, and both ends smoothly connect to the front half part 3a and the rear end part 4a.
  • the first half 3a of the opening blade surface 2a When viewed from the side, as shown in Fig. 4, the first half 3a of the opening blade surface 2a is a straight line that intersects the axis 9a at an acute angle of ⁇ / 4 radian (45 degrees) or less.
  • the front end 6a of the first half 3a is sharply ground.
  • the rear end 4a of the opening blade surface 2a is a straight line extending in a direction orthogonal to the axis 9a.
  • the middle part 5a from the first half 3a to the rear end 4a is an S-shaped curve whose both ends are smoothly connected to the first half 3a and the rear end 4a.
  • the outer front end 7a of the opening blade surface 2a has a sharp cutting edge angle, and is sharp after finishing. Since the cutting edge angle of the inner rear end 8a of the opening blade surface 2a is a right angle, it does not act as a cutting edge after finishing. It is inevitable that the guide wire 10a protruding from the opening blade surface 2a will come into contact with the inner rear end 8a during operation, but the inner rear end 8a has a right angle cutting edge, and the cutting edge As in the first embodiment, the guider 10a and the like come into contact with the inner rear end 8a to peel off the coating, damage the surface, or cut the guide. There is no danger.
  • a puncture needle in which the cutting edge angle at the inner rear end of the open blade surface is a right angle has been described, but the cutting edge angle need not be limited to a right angle, and may be larger than a right angle. It is also possible to make the angle smaller than a right angle as long as no action occurs.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

Une canule d'introduction creuse utilisée lors d'un diagnostic ou d'une thérapie à travers laquelle un fil guide est acheminé, sans crainte de provoquer de dommages, même si le fil guide projeté à partir d'une ouverture touche le bord arrière interne de l'ouverture. Une canule d'introduction creuse (1, 1a) comprend un fil guide (10, 10a), qui peut se projeter à partir de l'ouverture (2, 2a) dont le rebord avant (6, 6a) est tranchant et le rebord arrière interne (8, 8a) du bord arrière (4, 4a) est coupant au niveau des angles droits ou d'un angle proche de l'angle droit afin d'obtenir une forme tridimensionnelle.
PCT/JP2000/001376 2000-03-08 2000-03-08 Canule d'introduction de diagnostic ou de therapie Ceased WO2001066177A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/001376 WO2001066177A1 (fr) 2000-03-08 2000-03-08 Canule d'introduction de diagnostic ou de therapie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/001376 WO2001066177A1 (fr) 2000-03-08 2000-03-08 Canule d'introduction de diagnostic ou de therapie

Publications (1)

Publication Number Publication Date
WO2001066177A1 true WO2001066177A1 (fr) 2001-09-13

Family

ID=11735766

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/001376 Ceased WO2001066177A1 (fr) 2000-03-08 2000-03-08 Canule d'introduction de diagnostic ou de therapie

Country Status (1)

Country Link
WO (1) WO2001066177A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014136854A1 (fr) * 2013-03-05 2014-09-12 国立大学法人信州大学 Aiguille de ponction et kit d'aiguille de ponction
CN104114220A (zh) * 2011-08-18 2014-10-22 光谱医疗器械公司 用于射频针的导引器
JP2015002920A (ja) * 2013-06-21 2015-01-08 株式会社パイオラックスメディカルデバイス ガイドワイヤ挿入装置
CN111886043A (zh) * 2018-01-26 2020-11-03 阿克松疗法公司 用于内脏神经血管内消融的方法和装置
KR20220045972A (ko) * 2019-12-06 2022-04-13 보스톤 싸이엔티픽 싸이메드 인코포레이티드 내시경 초음파 유도 접근 니들
US11712296B2 (en) 2017-12-17 2023-08-01 Axon Therapies, Inc. Methods and devices for endovascular ablation of a splanchnic nerve
US11801092B2 (en) 2016-07-29 2023-10-31 Axon Therapies, Inc. Devices, systems, and methods for treatment of heart failure by splanchnic nerve ablation
US11864826B2 (en) 2015-02-05 2024-01-09 Axon Therapies, Inc. Devices and methods for treatment of heart failure by splanchnic nerve ablation
US12349966B2 (en) 2019-06-20 2025-07-08 Axon Therapies, Inc. Methods and devices for endovascular ablation of a splanchnic nerve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251641A (en) * 1992-07-29 1993-10-12 Hgg Laser Fare, Inc. Biopsy needle
WO1998040116A1 (fr) * 1997-03-10 1998-09-17 Soken Co., Ltd. Aiguille anesthesique a usage medical

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251641A (en) * 1992-07-29 1993-10-12 Hgg Laser Fare, Inc. Biopsy needle
WO1998040116A1 (fr) * 1997-03-10 1998-09-17 Soken Co., Ltd. Aiguille anesthesique a usage medical

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104114220A (zh) * 2011-08-18 2014-10-22 光谱医疗器械公司 用于射频针的导引器
EP2744556A4 (fr) * 2011-08-18 2015-05-27 Spectra Medical Devices Inc Dispositif d'introduction pour aiguille à radiofréquence
US9125684B2 (en) 2011-08-18 2015-09-08 Spectra Medical Devices, Inc. Introducer for radiofrequency needle
WO2014136854A1 (fr) * 2013-03-05 2014-09-12 国立大学法人信州大学 Aiguille de ponction et kit d'aiguille de ponction
JP2015002920A (ja) * 2013-06-21 2015-01-08 株式会社パイオラックスメディカルデバイス ガイドワイヤ挿入装置
US11864826B2 (en) 2015-02-05 2024-01-09 Axon Therapies, Inc. Devices and methods for treatment of heart failure by splanchnic nerve ablation
US11801092B2 (en) 2016-07-29 2023-10-31 Axon Therapies, Inc. Devices, systems, and methods for treatment of heart failure by splanchnic nerve ablation
US11712296B2 (en) 2017-12-17 2023-08-01 Axon Therapies, Inc. Methods and devices for endovascular ablation of a splanchnic nerve
JP2021511163A (ja) * 2018-01-26 2021-05-06 アクソン セラピーズ, インク.Axon Therapies, Inc. 内臓神経の血管内アブレーションの為の方法及びデバイス
US11844569B1 (en) 2018-01-26 2023-12-19 Axon Therapies, Inc. Methods and devices for endovascular ablation of a splanchnic nerve
CN111886043A (zh) * 2018-01-26 2020-11-03 阿克松疗法公司 用于内脏神经血管内消融的方法和装置
CN111886043B (zh) * 2018-01-26 2024-03-29 阿克松疗法公司 用于内脏神经血管内消融的方法和装置
US12349966B2 (en) 2019-06-20 2025-07-08 Axon Therapies, Inc. Methods and devices for endovascular ablation of a splanchnic nerve
KR20220045972A (ko) * 2019-12-06 2022-04-13 보스톤 싸이엔티픽 싸이메드 인코포레이티드 내시경 초음파 유도 접근 니들
JP2022549879A (ja) * 2019-12-06 2022-11-29 ボストン サイエンティフィック サイムド，インコーポレイテッド 超音波内視鏡ガイド下アクセス針
US11925386B2 (en) 2019-12-06 2024-03-12 Boston Scientific Scimed, Inc. Endoscopic ultrasound guided access needle
JP2024128143A (ja) * 2019-12-06 2024-09-20 ボストン サイエンティフィック サイムド，インコーポレイテッド 超音波内視鏡ガイド下アクセス針
KR102836049B1 (ko) * 2019-12-06 2025-07-21 보스톤 싸이엔티픽 싸이메드 인코포레이티드 내시경 초음파 유도 접근 니들

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