DE602009033451C5 - Endoluminale Laserablationsvorrichtung zur Behandlung von Venen - Google Patents

Endoluminale Laserablationsvorrichtung zur Behandlung von Venen Download PDF

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Publication number
DE602009033451C5
DE602009033451C5 DE602009033451.4A DE602009033451A DE602009033451C5 DE 602009033451 C5 DE602009033451 C5 DE 602009033451C5 DE 602009033451 A DE602009033451 A DE 602009033451A DE 602009033451 C5 DE602009033451 C5 DE 602009033451C5
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waveguide
radiation
respect
emitting surface
elongated axis
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Wolfgang Neuberger
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Ceramoptec GmbH
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Ceramoptec GmbH
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B2018/2255—Optical elements at the distal end of probe tips
    • A61B2018/2272—Optical elements at the distal end of probe tips with reflective or refractive surfaces for deflecting the beam

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Otolaryngology (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vascular Medicine (AREA)
  • Laser Surgery Devices (AREA)
  • Radiation-Therapy Devices (AREA)
  • Laser Beam Processing (AREA)

Abstract

A device for endoluminal treatment of venous insufficiencies by applying radiation to the vein wall for occluding the vein during a pull-back-motion of the device comprising: a flexible waveguide (100, 200, 500, 600, 800, 900) defining an elongated axis, a proximal end optically connectable to a source of radiation (424), and a rounded distal end receivable within the blood vessel and including a radiation emitting surface (110, 210, 510, 610) that emits radiation from the radiation source (424) laterally with respect to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900) and annularly from the waveguide (100, 200, 500, 600, 800, 900) onto an angularly extending portion of the surrounding vessel wall, wherein the emitting surface (110, 210, 510, 610) is oriented at an acute angle with respect to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900) and wherein the emitting surface (110, 210, 510, 610) is substantially conical shaped, the device further comprising- a cover (106, 206, 506, 606, 906) that is fixedly secured to the waveguide (100, 200, 500, 600, 800, 900) and sealed with respect thereto, substantially transparent with respect to the emitted radiation, that encloses the emitting surface (110, 210, 510, 610) therein, and that defines a gas-waveguide interface that refracts emitted radiation laterally with respect to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900) onto the surrounding vessel wall- at least one laser source (424) that provides laser radiation of 1470 nm +/-30 nm or 1950 nm +/- 30 nm, wherein the proximal end of the waveguide (100, 200, 500, 600, 800, 900) is optically coupled to the at least one laser source (424).

Description

  • Der X. Zivilsenat des Bundesgerichtshofs hat auf die mündliche Verhandlung vom 7. September 2021
    für Recht erkannt:
    • Auf die Berufung der Beklagten wird das Urteil des 4. Senats (Nichtigkeitssenats) des Bundespatentgerichts vom 12. März 2019 unter Zurückweisung des weitergehenden Rechtsmittels abgeändert.
  • Das europäische Patent 2 620 119 wird mit Wirkung für die Bundesrepublik Deutschland für nichtig erklärt, soweit sein Gegenstand über die folgende Fassung der Patentansprüche hinausgeht:

Claims (13)

  1. A device for endoluminal treatment of venous insufficiencies by applying radiation to the vein wall for occluding the vein during a pull-back-motion of the device comprising: a flexible waveguide (100, 200, 500, 600, 800, 900) defining an elongated axis, a proximal end optically connectable to a source of radiation (424), and a rounded distal end receivable within the blood vessel and including a radiation emitting surface (110, 210, 510, 610) that emits radiation from the radiation source (424) laterally with respect to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900) and annularly from the waveguide (100, 200, 500, 600, 800, 900) onto an angularly extending portion of the surrounding vessel wall, wherein the emitting surface (110, 210, 510, 610) is oriented at an acute angle with respect to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900) and wherein the emitting surface (110, 210, 510, 610) is substantially conical shaped, the device further comprising - a cover (106, 206, 506, 606, 906) that is fixedly secured to the waveguide (100, 200, 500, 600, 800, 900) and sealed with respect thereto, substantially transparent with respect to the emitted radiation, that encloses the emitting surface (110, 210, 510, 610) therein, and that defines a gas-waveguide interface that refracts emitted radiation laterally with respect to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900) onto the surrounding vessel wall - at least one laser source (424) that provides laser radiation of 1470 nm +/-30 nm or 1950 nm +/- 30 nm, wherein the proximal end of the waveguide (100, 200, 500, 600, 800, 900) is optically coupled to the at least one laser source (424).
  2. The device according to claim 1, further comprising a reflecting surface (112, 212, 512, 612) distally spaced relative to and facing the emitting surface (110, 210, 510, 610) for reflecting forwardly directed radiation laterally with respect to the elongated axis of the waveguide (100, 200, 500, 600, 900).
  3. The device according to claim 2, wherein the reflecting surface (112, 212, 512, 612) defines an arcuate surface contour oriented at an acute angle with respect to the elongated axis of the waveguide (100, 200, 500, 600, 900).
  4. The device according to claim 3, wherein the reflecting surface (112, 212, 512, 612) is substantially conical shaped.
  5. The device according to any one of claims 1 to 4, wherein the spread of the annular beam is defined by an angle within the range of about 30° to about 40° and/or wherein the approximate center of the beam is preferably oriented at an angle within the range of about 70° to about 90° relative to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900).
  6. The device according to any one of claims 1 to 5, further comprising a lateral radiation emitting distal region (204, 504, 604) defined by a plurality of radiation emitting surfaces (208, 210, 508, 510, 608, 610) axially spaced relative to each other along a distal region of the waveguide (200, 500, 600, 900), wherein a first radiation emitting surface (210, 510, 610) is formed at the distal tip of the waveguide (200, 500, 600, 900), and a plurality of second radiation emitting surfaces (208, 508, 608) proximally is located with respect to the first radiation emitting surface (210, 510, 610) and axially spaced relative to each other.
  7. The device according to claim 6, further comprising an axially-extending cover (206, 506, 606, 906) that encloses the lateral radiation emitting distal region (204, 504, 604), forms a gas interface at each of the plurality of radiation emitting surfaces (208, 210, 508, 510, 608, 610) that is sealed with respect to the exterior of the waveguide (200, 500, 600, 900), and cooperates with the angled arcuate surface contour of at least a plurality of the radiation emitting surfaces (208, 210, 508, 510, 608, 610) to deflect radiation laterally with respect to the elongated axis of the waveguide (200, 500, 600, 900).
  8. The device according to any one of claims 1 to 7, further comprising a sleeve (946) slidably mounted over the waveguide (900) and defining an internal radiation reflective surface for reflecting laterally emitted radiation inwardly and controlling the axial length of the lateral radiation emitting distal region, and/or further comprising a radiation source (424), a temperature sensor (426) thermally coupled to a distal region of the waveguide (420) for monitoring a temperature within the blood vessel and transmitting signals indicative thereof, and a control module (428) electrically coupled to the temperature sensor (426) for regulating the power output of the radiation source (424) based thereon, and/or further comprising a pullback actuator (430) drivingly coupled to the waveguide (420) for controlling the pullback speed of the waveguide (420), and wherein the control module (428) is electrically coupled to the pullback actuator (430) for regulating the pullback speed of the waveguide (420) based on the temperature at the distal region of the waveguide (420).
  9. The device according to any one of claims 1 to 8, further comprising a guide wire (534, 634) detachably coupled to the waveguide (500, 600) and including a distal portion extending distally beyond the distal tip of the waveguide (500, 600) for guiding the waveguide (500, 600) through the blood vessel.
  10. The device according to any one of claims 1 to 9, wherein the waveguide is an optical fiber (100, 200, 500, 600, 900) and wherein the cover is a cap (106, 206, 506, 606, 906) that is fused to the fiber core.
  11. The device according to any one of claims 1 to 10, wherein the at least one laser source (424) provides laser radiation at a power of less than or equal to about 10 W and wherein the emitting surface (110, 210, 510, 610) of the waveguide (100, 200, 500, 600, 800, 900) emits radiation laterally with respect to the elongated axis of the waveguide (100, 200, 500, 600, 800, 900) in an axially-extending, annular pattern onto the surrounding vessel wall.
  12. The device according to claim 11, wherein the laser source (424) provides power at less than 5 W.
  13. The device according to any one of claims 1 to 12, further comprising an electric pullback device (430) drivingly coupled to the waveguide (100, 200, 500, 600, 800, 900) and configured to pullback the waveguide (100, 200, 500, 600, 800, 900) through the blood vessel while delivering laser radiation at an energy delivery rate of less than about 50 J/cm, 40 J/cm, 30 J/cm, 20 J/cm or 10 J/cm on average to the blood vessel wall.
DE602009033451.4A 2008-02-28 2009-03-02 Endoluminale Laserablationsvorrichtung zur Behandlung von Venen Active DE602009033451C5 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US6753708P 2008-02-28 2008-02-28
US67537P 2008-02-28
US7902408P 2008-07-08 2008-07-08
US79024P 2008-07-08
US10495608P 2008-10-13 2008-10-13
US104956P 2008-10-13
US395455 2009-02-27
US12/395,455 US9693826B2 (en) 2008-02-28 2009-02-27 Endoluminal laser ablation device and method for treating veins
EP13165050.9A EP2620119B1 (de) 2008-02-28 2009-03-02 Endoluminale Laserablationsvorrichtung zur Behandlung von Venen

Publications (1)

Publication Number Publication Date
DE602009033451C5 true DE602009033451C5 (de) 2022-02-17

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DE202009018508U Expired - Lifetime DE202009018508U1 (de) 2008-02-28 2009-03-02 Endoluminale Laserablationsvorrichtung zur Behandlung von Venen

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Country Status (21)

Country Link
US (1) US9693826B2 (de)
EP (4) EP2620119B1 (de)
JP (7) JP6279197B2 (de)
KR (1) KR101545280B1 (de)
CN (1) CN101965159B (de)
AU (1) AU2009219019B2 (de)
BR (1) BRPI0910724A2 (de)
CA (1) CA2720272C (de)
DE (2) DE602009033451C5 (de)
DK (2) DK2974687T3 (de)
ES (2) ES2771673T3 (de)
HR (2) HRP20151192T1 (de)
HU (2) HUE025580T2 (de)
IT (1) ITTO20130183U1 (de)
LT (1) LT2974687T (de)
MX (1) MX2010009306A (de)
PL (2) PL2620119T3 (de)
PT (2) PT2620119E (de)
RU (1) RU2506921C2 (de)
SI (2) SI2620119T1 (de)
WO (1) WO2009108956A1 (de)

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