WO1996024297A1 - Angioplastie-katheter zum erweitern und/oder eröffnen von blutgefässen - Google Patents
Angioplastie-katheter zum erweitern und/oder eröffnen von blutgefässen Download PDFInfo
- Publication number
- WO1996024297A1 WO1996024297A1 PCT/EP1996/000553 EP9600553W WO9624297A1 WO 1996024297 A1 WO1996024297 A1 WO 1996024297A1 EP 9600553 W EP9600553 W EP 9600553W WO 9624297 A1 WO9624297 A1 WO 9624297A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- angioplasty catheter
- cylindrical housing
- catheter according
- sound waves
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K3/00—Rattles or like noise-producing devices, e.g. door-knockers
Definitions
- the invention relates to an angioplasty catheter for expanding and / or opening pathologically narrowed or closed blood vessels.
- the invention further relates to a method for generating sound waves, in particular ultrasound waves, in an angioplasty catheter.
- Ultrasound recanalization is therefore a gentle procedure for the treatment of pathological changes in the arteries, with little traumatization of the vascular wall due to the selective effect of ultrasound.
- a system is known from US Pat. No. 4,870,953, in which the exogenously generated ultrasound is sheathed by a protective probe and is intra-arterially supplied to the stenosis or the closure.
- the relatively inflexible and difficult to control wire probe can only be used in a few vessel areas.
- controlled energy delivery is not possible.
- a rotating dilatation catheter in which a stylet is inserted as a support and control element in the inner lumen of a tubular wire coil with at least one pressure body.
- tissue in the stenosis is to be compressed radially outwards and the inner wall of the vessel is smoothed.
- the instrument can only be used slowly rotating, possibly up to a few thousand revolutions per minute.
- the generation of ultrasound is therefore not technically possible with this dilatation catheter and is also not provided.
- the principle of treatment aims at displacement instead of the removal or dissolution of closure material.
- a catheter is known in which a rotating ablation instrument, ie a rotating miniature tool such as a milling cutter, a drill or the like, is used for therapeutic purposes.
- the rotational forces required to drive these tools are generated by a probe tip designed as a fluid turbine with tangential nozzles.
- the invention is therefore based on the object of creating a simple and effective angioplasty catheter based on the sound wave principle for treating pathologically altered blood vessels, the use of which causes the least possible traumatization of the vessel walls and thus permits long-term treatment success.
- Another object of the invention is to provide a suitable and effective method for generating sound waves, in particular ultrasound waves, in an angioplasty catheter 1.
- This angioplasty catheter comprises at least one rotor which is rotatably arranged in a cylindrical housing at the distal end d, the catheter and which is positively guided on a predetermined movement path in the axial and / or radial direction and which is connected to a rotary drive is, the rotating rotor mechanically endogenously generates sound waves, in particular sound waves in the ultrasonic range, as a result of the positively guided movement and induces a corresponding movement of the housing.
- the cylindrical housing does not necessarily have to be completely closed, but can also be designed as a cage-like structure with rod-like or mesh-shaped grids or the like.
- the above-mentioned positive guidance of the rotor has a wave-shaped raceway provided on both end faces of the rotor or at least one point or line-shaped elevation and a wave-shaped raceway provided on the inner end faces of the cylindrical housing or at least one point or includes linear increase.
- the rotor therefore inevitably executes a guided oscillation movement in the axial direction and generates sound waves of a specific frequency and intensity as a function of the respective speed and the design of the raceway, ie in particular its wave form and the wave frequency.
- the speed of the rotor can be about 250,000 rpm, the number of axial strokes per rotor revolution 5 (in
- the shape of a respective raceway on one end face of the rotor is advantageously designed such that it corresponds to the shape of a respective raceway on the inner end face of the cylindrical housing opposite this end face.
- the number and shape of the elevations or the waveform of the raceways are geometrically exactly the same for each type of construction and aligned with one another in such a way that when the rotor rotates, the cylindrical housing is deflected in the axial direction, i.e. the rotor is guided in the opposite direction again by a pair of tracks to which it was deflected, and so on.
- the waveform of the opposite end faces of the rotor it has also proven to be advantageous for the waveform of the opposite end faces of the rotor to be 180 ° out of phase with respect to one another. Analogously, it is of course also possible to phase-shift the waveform of the opposing inner end faces of the cylindrical housing relative to one another by 180 °.
- a certain axial freedom of movement of the rotor which can depend on the wave amplitude and / or wavelength of the respectively selected wave form, is usually required.
- the positive guidance comprises a wavy raceway arranged on or in the outer radius of the rotor and a guide part attached to the inner radius of the cylindrical housing and engaging in the raceway.
- Such a raceway can be configured, for example, as a groove in the outer radius of the rotor or as a projection or the like running in a wave shape around the outer radius of the rotor.
- a variant has also proven to be very positive, in which the positive guidance comprises a wavy raceway arranged on or in the inner radius of the cylindrical housing and a guide part attached to the outer radius of the rotor and engaging in the raceway.
- the design of the raceway can then be realized in a manner similar to that previously explained for the rotor.
- a guide part can be designed, for example, as a point-like knob that protrudes into a groove-like raceway or as a U-shaped claw that punctually extends over a raceway that is designed as a wave-shaped projection, or in any other suitable manner.
- a positive guide is arranged on radial surfaces of the rotor or the housing, the rotor and / or the inner end faces of the cylindrical housing advantageously have plane-parallel end faces.
- the rotary drive of the rotor comprises a flexible shaft that is detachably or non-detachably connected to the rotor.
- the rotational movement of the flexible shaft is preferably generated by a drive located outside the body.
- the drive is designed so that it can generate a very high speed and sufficient torque.
- a compressed air turbine or a high-speed electric drive with transmission gear can be used.
- the flexible shaft coupled to the drive supplies the rotational energy through a lumen provided in the catheter shaft to the rotor located at the distal end of the catheter for sound generation.
- the connection between the flexible shaft is torsion-proof and preferably axially loose.
- the shaft can be connected to the rotor via a suitable elastic adhesive connection.
- the invention also provides for the rotor to be rotatably mounted eccentrically.
- the resulting unbalance of the rotor makes it particularly easy to generate radial vibrations.
- Another embodiment according to the invention provides that the rotor is arranged so that it can rotate about an axis, which leads to a similar effect. Which variant is to be preferred depends heavily on the respective application.
- the outside diameter of the rotor is larger than the outside diameter of the flexible shaft. Due to the very high speeds described above, the diameter of the flexible shaft for transmitting a torque to the rotor can not only be made very thin but also the catheter can be made very flexible over its entire longitudinal extent. The mass concentration at the catheter tip which arises as a result of the larger diameter of the rotor compared to the shaft thus favors the generation of very high-energy acoustic vibrations directly at the treatment site in the movement of the catheter explained above.
- the cylindrical housing which does not rotate and which surrounds the rotor is coupled to the catheter shaft, which also does not rotate, via a vibration separation device.
- a vibration separation device is to be understood as a device which also includes the housing surrounding the rotor and forming the catheter tip connects the catheter shaft of the catheter that the catheter tip can carry out oscillations without being substantially damped by the catheter shaft or without supplying it with essential energy as loss energy.
- the outside diameter of the cylindrical housing essentially corresponds to the outside diameter of the catheter shaft.
- the object on which the invention is based is achieved by an inventive method for generating sound waves, in particular ultrasound waves, in an angioplasty catheter, the method comprising the features of claim 15.
- Such a method comprises a step in which at least one rotor which is rotatably arranged in a cylindrical housing at the distal end of the catheter and is positively guided on a predetermined movement path in the axial and / or radial direction is rotated in order to generate sound waves, in particular as a result of the positively guided movement To generate sound waves in the ultrasonic range, mechanically endogenously and to induce a corresponding movement of the housing.
- the method according to the invention offers the advantages already explained in connection with the angioplasty catheter according to the invention.
- Another particularly advantageous embodiment of the method according to the invention provides a step in which the frequency of the sound waves generated is changed by changing the speed of the rotor. This way of changing the frequency is not only very simple, but also allows the sound frequency to be varied within a certain range. This is particularly important for the reason that the consistency of the stenosis or the closure material can be very different, and therefore the use or variation of different frequencies in a certain frequency range during an operation may be necessary for successful treatment.
- La shows a section through the working end of an angioplasty catheter according to the invention, which is only partially shown, according to a first embodiment of the invention
- FIG. 1b shows a section through the working end of a catheter according to the invention, which is only partially shown, according to a second embodiment of the invention
- FIG. 2 is a schematic perspective exploded view perspective view of the catheter according to the invention according to FIG. 1 a with further details,
- Fig. 2a shows a section through the device for
- Fig. 2b shows a section through the device for
- Fig. 2c shows a section through the device for
- Fig. 3 is a schematic sectional view of another
- Fig. 4 is a schematic sectional view of another
- Embodiment of a positive guidance of the rotor of the angioplasty catheter according to the invention Embodiment of a positive guidance of the rotor of the angioplasty catheter according to the invention.
- FIG. 1 a A schematic sectional view of FIG. 1 a shows the distal end of an angioplasty catheter according to the invention, which is only partially shown, according to a first embodiment.
- the catheter includes one flexible catheter shaft 1 and a rotatably arranged at the distal end of the catheter in a cylindrical housing 4 and positively guided on a predetermined movement path in the axial and / or radial direction in the form of an inner cylinder 3, which with a rotary drive in the form of a flexible hollow shaft 2, the protrudes through the inner cylinder, is rotatably connected.
- the forced guidance is indicated in the drawing by reference number 5.
- the rotor 3 serves to generate sound waves, in particular sound waves in the ultrasound range, mechanically endogenously during rapid rotation as a result of the aforementioned forced guidance and to induce a corresponding movement of the housing 4.
- sound waves in particular sound waves in the ultrasound range
- the cylindrical housing 4 is softly coupled to the catheter shaft 1, which also does not rotate, via a vibration separation device.
- a silicone ring 6 is used as the vibration separation device.
- the flexible hollow shaft 2 has a central, continuous lumen 8 for receiving a guide wire 7, which runs from the proximal to the distal end of the catheter and protrudes there through an opening on the front side of the housing 4.
- the catheter can be advanced to the treatment site via this guide wire 7.
- a flushing liquid shown in the drawing by the arrows 11, can be injected through the inner lumen 8 of the flexible shaft 2 in addition to the guide wire 7.
- the rinsing liquid also serves as cooling and lubrication of the flexible shaft 2.
- the flexible catheter shaft 1 has two openings 9, which are located laterally at its distal end. Through these openings 9 can Excess liquids and detached particles and then sucked out through the channel 10, which is shown schematically by the arrows 12.
- FIG. 1b shows a schematic sectional view of a second embodiment of the angioplasty catheter according to the invention.
- This embodiment corresponds essentially to that of Fig. La, but here the flexible shaft 8 is designed as a solid shaft and the guide wire 7 extends eccentrically in a channel 8 provided in the catheter wall and the device / or drugs are injected, which is indicated schematically by the arrows 11.
- suction can be drawn off analogously to FIG. 1 a using the openings 9 and the channel 10.
- FIG. 2 shows a schematic perspective exploded view of the catheter according to the invention according to FIG. 1 with further details, in particular of the sound-generating components of the catheter.
- the device for sound generation shown in Fig. 2 consists essentially of the inner cylinder 3, which is centrally attached to the distal end of the flexible shaft 2 and the cylindrical housing 4 surrounding this inner cylinder 3, which, as already mentioned above, non-rotating and soft on the catheter shaft 1 is attached.
- the rotatable inner cylinder 3 has a wavy raceway 5.1 on its two end faces.
- a wave-shaped raceway 5 whose shape corresponds to the respectively opposite wave-shaped raceway 5 of the inner cylinder 3.
- the rotational energy for the inner cylinder 3 is generated by a drive, not shown, located outside the body and by means of the flexible shaft
- the inner cylinder 3 attached to the distal end of the flexible shaft 2 thus carries out the rotational movement.
- the inner cylinder 3 rotates, the inner cylinder 3 is deflected in the axial direction in a forced manner in the axial direction each time two elevations of the wave-shaped raceways 5 are opposed - by the inner cylinder 3 and the cylindrical housing 4. There are enough increases on the raceways 5, evenly distributed over the circumference or the speed of the inner cylinder
- the speed of the inner cylinder 3 can be approximately 250,000 rpm, the number of axial strokes generated by the wave-shaped raceways 5 per rotor revolution five and a single stroke amplitude approximately 100 ⁇ m. This information is only to be understood as a guide and can vary considerably depending on the application. To change the frequency of the sound waves generated, the speed of the inner cylinder 3 is changed.
- the device for sound generation shown in FIG. 2 a corresponds to that already discussed in connection with FIGS. 1 a and 2.
- FIG. 2b shows a further embodiment of the invention.
- the inner cylinder 3 used for sound generation is attached eccentrically to the distal end of the flexible shaft 2.
- the inner cylinder 3 rotates, it and therefore the catheter tip are therefore deflected not only in the axial but also in the radial direction.
- FIG. 2c shows a further embodiment of the invention.
- the inner cylinder 3 is attached eccentrically to the distal end of the flexible shaft 2 and has plane-parallel end faces.
- the inner end faces of the cylindrical housing 4 are plane-parallel in this embodiment.
- Fig. 3 shows a schematic sectional view of a further embodiment in which the positive guidance of the inner cylinder 3 serving as a rotor by means of a wavy raceway 5 arranged on or in the outer radius of the inner cylinder 3 and one on the inner radius of the cylindrical one Housing 4 attached and engaging in the raceway 5 guide part 13 is realized.
- the wave-shaped track 5 as a wave-shaped groove 5 and the guide part 13 as a point-like elevation 13 projecting into the groove
- the wave-shaped track 5 as a wave-shaped projection 5 and the guide part 13 as this projection 5 encompassing claw 5 or the like .
- these two modifications can also be provided at the same time, provided that their waveform is in phase.
- Fig. 4 finally shows a schematic sectional view of a further embodiment of the catheter according to the invention in which the positive guidance of the inner cylinder 3 serving as a rotor by means of a wave-shaped raceway 5 arranged on or in the inner radius of the cylindrical housing 4 and an attached to the outer radius of the rotor 3 and in the track 5 engaging guide part 13 is realized.
- the wave-shaped track 5 of the cylindrical housing 4 as a wave-shaped groove 5 and the guide part 13 as a point-like elevation 13 projecting into the groove
- the wave-shaped track 5 as a wave-shaped projection 5 and the guide part 13 as this projection 5 engaging claw 5 or the like.
- these two modifications can also be provided at the same time, provided that their waveform is in phase.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96904045A EP0808132A1 (de) | 1995-02-09 | 1996-02-09 | Angioplastie-katheter zum erweitern und/oder eröffnen von blutgefässen |
US08/894,722 US6007530A (en) | 1995-02-09 | 1996-02-09 | Angioplasty catheter for expanding and/or opening up blood vessels |
JP8524004A JPH10513379A (ja) | 1995-02-09 | 1996-02-09 | 血管を拡張及び/又は開口させるための血管形成用カテーテル |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19504261A DE19504261A1 (de) | 1995-02-09 | 1995-02-09 | Angioplastie-Katheter zum Erweitern und/oder Eröffnen von Blutgefäßen |
DE19504261.1 | 1995-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996024297A1 true WO1996024297A1 (de) | 1996-08-15 |
Family
ID=7753543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/000553 WO1996024297A1 (de) | 1995-02-09 | 1996-02-09 | Angioplastie-katheter zum erweitern und/oder eröffnen von blutgefässen |
Country Status (6)
Country | Link |
---|---|
US (1) | US6007530A (de) |
EP (1) | EP0808132A1 (de) |
JP (1) | JPH10513379A (de) |
CA (1) | CA2212367A1 (de) |
DE (1) | DE19504261A1 (de) |
WO (1) | WO1996024297A1 (de) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8888788B2 (en) | 2012-08-06 | 2014-11-18 | Shockwave Medical, Inc. | Low profile electrodes for an angioplasty shock wave catheter |
US8956371B2 (en) | 2008-06-13 | 2015-02-17 | Shockwave Medical, Inc. | Shockwave balloon catheter system |
US9005216B2 (en) | 2012-09-13 | 2015-04-14 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US9011463B2 (en) | 2012-06-27 | 2015-04-21 | Shockwave Medical, Inc. | Shock wave balloon catheter with multiple shock wave sources |
US9044619B2 (en) | 2008-11-05 | 2015-06-02 | Shockwave Medical, Inc. | Shockwave valvuloplasty catheter system |
US9072534B2 (en) | 2008-06-13 | 2015-07-07 | Shockwave Medical, Inc. | Non-cavitation shockwave balloon catheter system |
US9138249B2 (en) | 2012-08-17 | 2015-09-22 | Shockwave Medical, Inc. | Shock wave catheter system with arc preconditioning |
US9180280B2 (en) | 2008-11-04 | 2015-11-10 | Shockwave Medical, Inc. | Drug delivery shockwave balloon catheter system |
US9220521B2 (en) | 2012-08-06 | 2015-12-29 | Shockwave Medical, Inc. | Shockwave catheter |
US9289224B2 (en) | 2011-11-08 | 2016-03-22 | Shockwave Medical, Inc. | Shock wave valvuloplasty device with moveable shock wave generator |
US9522012B2 (en) | 2012-09-13 | 2016-12-20 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US9730715B2 (en) | 2014-05-08 | 2017-08-15 | Shockwave Medical, Inc. | Shock wave guide wire |
US10226265B2 (en) | 2016-04-25 | 2019-03-12 | Shockwave Medical, Inc. | Shock wave device with polarity switching |
US10357264B2 (en) | 2016-12-06 | 2019-07-23 | Shockwave Medical, Inc. | Shock wave balloon catheter with insertable electrodes |
US10441300B2 (en) | 2017-04-19 | 2019-10-15 | Shockwave Medical, Inc. | Drug delivery shock wave balloon catheter system |
US10555744B2 (en) | 2015-11-18 | 2020-02-11 | Shockware Medical, Inc. | Shock wave electrodes |
US10646240B2 (en) | 2016-10-06 | 2020-05-12 | Shockwave Medical, Inc. | Aortic leaflet repair using shock wave applicators |
US10702293B2 (en) | 2008-06-13 | 2020-07-07 | Shockwave Medical, Inc. | Two-stage method for treating calcified lesions within the wall of a blood vessel |
US10709462B2 (en) | 2017-11-17 | 2020-07-14 | Shockwave Medical, Inc. | Low profile electrodes for a shock wave catheter |
US10966737B2 (en) | 2017-06-19 | 2021-04-06 | Shockwave Medical, Inc. | Device and method for generating forward directed shock waves |
US11020135B1 (en) | 2017-04-25 | 2021-06-01 | Shockwave Medical, Inc. | Shock wave device for treating vascular plaques |
US11478261B2 (en) | 2019-09-24 | 2022-10-25 | Shockwave Medical, Inc. | System for treating thrombus in body lumens |
US11596423B2 (en) | 2018-06-21 | 2023-03-07 | Shockwave Medical, Inc. | System for treating occlusions in body lumens |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6206842B1 (en) * | 1998-08-03 | 2001-03-27 | Lily Chen Tu | Ultrasonic operation device |
US8974446B2 (en) * | 2001-10-11 | 2015-03-10 | St. Jude Medical, Inc. | Ultrasound ablation apparatus with discrete staggered ablation zones |
US7285116B2 (en) * | 2004-05-15 | 2007-10-23 | Irvine Biomedical Inc. | Non-contact tissue ablation device and methods thereof |
JP2004081374A (ja) * | 2002-08-26 | 2004-03-18 | Dairin Kk | 管状器官内の堆積物解除装置 |
US20050215942A1 (en) * | 2004-01-29 | 2005-09-29 | Tim Abrahamson | Small vessel ultrasound catheter |
US7887529B2 (en) * | 2004-04-19 | 2011-02-15 | Boston Scientific Scimed, Inc. | Hybrid micro guide catheter |
US20080097251A1 (en) * | 2006-06-15 | 2008-04-24 | Eilaz Babaev | Method and apparatus for treating vascular obstructions |
US20080039727A1 (en) * | 2006-08-08 | 2008-02-14 | Eilaz Babaev | Ablative Cardiac Catheter System |
US9125562B2 (en) | 2009-07-01 | 2015-09-08 | Avinger, Inc. | Catheter-based off-axis optical coherence tomography imaging system |
US8062316B2 (en) | 2008-04-23 | 2011-11-22 | Avinger, Inc. | Catheter system and method for boring through blocked vascular passages |
US20100125253A1 (en) * | 2008-11-17 | 2010-05-20 | Avinger | Dual-tip Catheter System for Boring through Blocked Vascular Passages |
EP2424608B1 (de) | 2009-04-28 | 2014-03-19 | Avinger, Inc. | Trägerkatheter für führungsdraht |
CA2763324C (en) | 2009-05-28 | 2018-10-23 | Avinger, Inc. | Optical coherence tomography for biological imaging |
WO2011003006A2 (en) | 2009-07-01 | 2011-01-06 | Avinger, Inc. | Atherectomy catheter with laterally-displaceable tip |
WO2011072068A2 (en) | 2009-12-08 | 2011-06-16 | Avinger, Inc. | Devices and methods for predicting and preventing restenosis |
US10548478B2 (en) | 2010-07-01 | 2020-02-04 | Avinger, Inc. | Balloon atherectomy catheters with imaging |
CA2803992C (en) | 2010-07-01 | 2018-03-20 | Avinger, Inc. | Atherectomy catheters with longitudinally displaceable drive shafts |
US11382653B2 (en) | 2010-07-01 | 2022-07-12 | Avinger, Inc. | Atherectomy catheter |
US9949754B2 (en) | 2011-03-28 | 2018-04-24 | Avinger, Inc. | Occlusion-crossing devices |
EP3135232B1 (de) | 2011-03-28 | 2018-05-02 | Avinger, Inc. | Verschlussöffnungsvorrichtungen sowie bildgebungs- und atherektomievorrichtungen |
EP4101399A1 (de) | 2011-08-05 | 2022-12-14 | Route 92 Medical, Inc. | System zur behandlung eines akuten ischämischen schlaganfalls |
EP2768406B1 (de) | 2011-10-17 | 2019-12-04 | Avinger, Inc. | Atherektomiekatheter und kontaktloser betätigungsmechanismus für katheter |
US9345406B2 (en) | 2011-11-11 | 2016-05-24 | Avinger, Inc. | Occlusion-crossing devices, atherectomy devices, and imaging |
WO2013172970A1 (en) | 2012-05-14 | 2013-11-21 | Avinger, Inc. | Atherectomy catheters with imaging |
WO2013172972A1 (en) | 2012-05-14 | 2013-11-21 | Avinger, Inc. | Optical coherence tomography with graded index fiber for biological imaging |
EP2849660B1 (de) | 2012-05-14 | 2021-08-25 | Avinger, Inc. | Antriebsanordnungen für atherektomiekatheter |
US10335173B2 (en) | 2012-09-06 | 2019-07-02 | Avinger, Inc. | Re-entry stylet for catheter |
US11284916B2 (en) | 2012-09-06 | 2022-03-29 | Avinger, Inc. | Atherectomy catheters and occlusion crossing devices |
US9498247B2 (en) | 2014-02-06 | 2016-11-22 | Avinger, Inc. | Atherectomy catheters and occlusion crossing devices |
EP2967371A4 (de) | 2013-03-15 | 2016-12-07 | Avinger Inc | Vorrichtungen zur durchquerung einer chronischen totalen okklusion mit bildgebung |
EP2967507B1 (de) | 2013-03-15 | 2018-09-05 | Avinger, Inc. | Gewebeentnahmevorrichtung für einen katheter |
WO2014142958A1 (en) | 2013-03-15 | 2014-09-18 | Avinger, Inc. | Optical pressure sensor assembly |
EP3019096B1 (de) | 2013-07-08 | 2023-07-05 | Avinger, Inc. | System zur identifizierung von elastischen lamina zur anleitung einer interventionellen therapie |
US9265512B2 (en) | 2013-12-23 | 2016-02-23 | Silk Road Medical, Inc. | Transcarotid neurovascular catheter |
MX2016010141A (es) | 2014-02-06 | 2017-04-06 | Avinger Inc | Cateteres de aterectomia y dispositivos de cruce de oclusion. |
MX2017000303A (es) | 2014-07-08 | 2017-07-10 | Avinger Inc | Dispositivos para oclusion transversal cronica total de alta velocidad. |
JP6444121B2 (ja) * | 2014-09-30 | 2018-12-26 | テルモ株式会社 | 医療用デバイスおよび医療用デバイス組立体 |
US11065019B1 (en) | 2015-02-04 | 2021-07-20 | Route 92 Medical, Inc. | Aspiration catheter systems and methods of use |
US10426497B2 (en) | 2015-07-24 | 2019-10-01 | Route 92 Medical, Inc. | Anchoring delivery system and methods |
JP6732769B2 (ja) | 2015-02-04 | 2020-07-29 | ルート92メディカル・インコーポレイテッドRoute 92 Medical, Inc. | 急速吸引血栓摘出システムおよび方法 |
US10568520B2 (en) | 2015-07-13 | 2020-02-25 | Avinger, Inc. | Micro-molded anamorphic reflector lens for image guided therapeutic/diagnostic catheters |
JP6927986B2 (ja) | 2016-01-25 | 2021-09-01 | アビンガー・インコーポレイテッドAvinger, Inc. | 遅延補正を備えたoctイメージングカテーテル |
CN113350655B (zh) | 2016-02-24 | 2024-03-19 | 禾木(中国)生物工程有限公司 | 柔性增强的神经血管导管 |
WO2017173370A1 (en) | 2016-04-01 | 2017-10-05 | Avinger, Inc. | Atherectomy catheter with serrated cutter |
EP3463123A4 (de) | 2016-06-03 | 2020-01-08 | Avinger, Inc. | Kathetervorrichtung mit abnehmbarem distalen ende |
JP7061080B2 (ja) | 2016-06-30 | 2022-04-27 | アビンガー・インコーポレイテッド | 賦形な遠位先端を有するアテレクトミーカテーテル |
CN110381855B (zh) | 2017-01-06 | 2023-07-04 | 因赛普特有限责任公司 | 用于动脉瘤治疗装置的抗血栓涂层 |
EP4134120A1 (de) | 2017-01-10 | 2023-02-15 | Route 92 Medical, Inc. | Aspirationskathetersysteme |
US11395665B2 (en) | 2018-05-01 | 2022-07-26 | Incept, Llc | Devices and methods for removing obstructive material, from an intravascular site |
JP2021522885A (ja) | 2018-05-01 | 2021-09-02 | インセプト・リミテッド・ライアビリティ・カンパニーIncept,Llc | 血管内部位から閉塞性物質を除去する装置および方法 |
CN112423824B (zh) | 2018-05-17 | 2023-02-21 | 92号医疗公司 | 抽吸导管系统和使用方法 |
US11471582B2 (en) | 2018-07-06 | 2022-10-18 | Incept, Llc | Vacuum transfer tool for extendable catheter |
US11517335B2 (en) | 2018-07-06 | 2022-12-06 | Incept, Llc | Sealed neurovascular extendable catheter |
US11766539B2 (en) | 2019-03-29 | 2023-09-26 | Incept, Llc | Enhanced flexibility neurovascular catheter |
US11134859B2 (en) | 2019-10-15 | 2021-10-05 | Imperative Care, Inc. | Systems and methods for multivariate stroke detection |
WO2021076356A1 (en) | 2019-10-18 | 2021-04-22 | Avinger, Inc. | Occlusion-crossing devices |
US11553935B2 (en) | 2019-12-18 | 2023-01-17 | Imperative Care, Inc. | Sterile field clot capture module for use in thrombectomy system |
US11439799B2 (en) | 2019-12-18 | 2022-09-13 | Imperative Care, Inc. | Split dilator aspiration system |
CA3162704A1 (en) | 2019-12-18 | 2021-06-24 | Imperative Care, Inc. | Methods and systems for treating venous thromboembolic disease |
EP4117762A1 (de) | 2020-03-10 | 2023-01-18 | Imperative Care, Inc. | Neurovaskulärer katheter mit erhöhter flexibilität |
US11207497B1 (en) | 2020-08-11 | 2021-12-28 | Imperative Care, Inc. | Catheter with enhanced tensile strength |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3439434A1 (de) * | 1984-10-27 | 1986-04-30 | Werner Dr.med. 4330 Mülheim Schubert | Vorrichtung zur mikrofokalen erzeugung von mechanischen schwingungen des niederfrequenzbereiches auch in tieferer koerperschicht |
FR2645009A1 (fr) * | 1989-03-28 | 1990-10-05 | Honore Hugues | Dispositif formant sonde de desobstruction de conduit sanguin, comprenant des moyens de percussion |
EP0423895A1 (de) * | 1989-10-16 | 1991-04-24 | Du-Med B.V. | Ultraschall-Instrument für einmalige intraluminale Anwendung |
DE9201510U1 (de) * | 1992-02-07 | 1993-03-04 | Angiomed Ag, 7500 Karlsruhe, De | |
US5423797A (en) * | 1994-04-25 | 1995-06-13 | Medelex, Inc. | Acoustic catheter with rotary drive |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320076C2 (de) * | 1983-06-03 | 1986-05-15 | Werner Dr.med. 4330 Mülheim Schubert | Vorrichtung mit Düsen am vorderen Teil von medizinischen Sonden, Kathetern, Schläuchen oder dergleichen |
US4870953A (en) * | 1987-11-13 | 1989-10-03 | Donmicheal T Anthony | Intravascular ultrasonic catheter/probe and method for treating intravascular blockage |
US5240003A (en) * | 1989-10-16 | 1993-08-31 | Du-Med B.V. | Ultrasonic instrument with a micro motor having stator coils on a flexible circuit board |
IL93141A0 (en) * | 1990-01-23 | 1990-11-05 | Urcan Medical Ltd | Ultrasonic recanalization system |
DE4012649C2 (de) * | 1990-04-20 | 1997-01-09 | Osypka Peter | Dilatationskatheter |
US5197946A (en) * | 1990-06-27 | 1993-03-30 | Shunro Tachibana | Injection instrument with ultrasonic oscillating element |
US5569179A (en) * | 1995-10-26 | 1996-10-29 | Medelex, Inc. | Acoustic catheter with magnetic drive |
-
1995
- 1995-02-09 DE DE19504261A patent/DE19504261A1/de not_active Withdrawn
-
1996
- 1996-02-09 JP JP8524004A patent/JPH10513379A/ja active Pending
- 1996-02-09 EP EP96904045A patent/EP0808132A1/de not_active Ceased
- 1996-02-09 WO PCT/EP1996/000553 patent/WO1996024297A1/de not_active Application Discontinuation
- 1996-02-09 CA CA002212367A patent/CA2212367A1/en not_active Abandoned
- 1996-02-09 US US08/894,722 patent/US6007530A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3439434A1 (de) * | 1984-10-27 | 1986-04-30 | Werner Dr.med. 4330 Mülheim Schubert | Vorrichtung zur mikrofokalen erzeugung von mechanischen schwingungen des niederfrequenzbereiches auch in tieferer koerperschicht |
FR2645009A1 (fr) * | 1989-03-28 | 1990-10-05 | Honore Hugues | Dispositif formant sonde de desobstruction de conduit sanguin, comprenant des moyens de percussion |
EP0423895A1 (de) * | 1989-10-16 | 1991-04-24 | Du-Med B.V. | Ultraschall-Instrument für einmalige intraluminale Anwendung |
DE9201510U1 (de) * | 1992-02-07 | 1993-03-04 | Angiomed Ag, 7500 Karlsruhe, De | |
US5423797A (en) * | 1994-04-25 | 1995-06-13 | Medelex, Inc. | Acoustic catheter with rotary drive |
Cited By (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9072534B2 (en) | 2008-06-13 | 2015-07-07 | Shockwave Medical, Inc. | Non-cavitation shockwave balloon catheter system |
US8956371B2 (en) | 2008-06-13 | 2015-02-17 | Shockwave Medical, Inc. | Shockwave balloon catheter system |
US11771449B2 (en) | 2008-06-13 | 2023-10-03 | Shockwave Medical, Inc. | Shockwave balloon catheter system |
US9011462B2 (en) | 2008-06-13 | 2015-04-21 | Shockwave Medical, Inc. | Shockwave balloon catheter system |
US10702293B2 (en) | 2008-06-13 | 2020-07-07 | Shockwave Medical, Inc. | Two-stage method for treating calcified lesions within the wall of a blood vessel |
US10039561B2 (en) | 2008-06-13 | 2018-08-07 | Shockwave Medical, Inc. | Shockwave balloon catheter system |
US10959743B2 (en) | 2008-06-13 | 2021-03-30 | Shockwave Medical, Inc. | Shockwave balloon catheter system |
US9180280B2 (en) | 2008-11-04 | 2015-11-10 | Shockwave Medical, Inc. | Drug delivery shockwave balloon catheter system |
US9044618B2 (en) | 2008-11-05 | 2015-06-02 | Shockwave Medical, Inc. | Shockwave valvuloplasty catheter system |
US9421025B2 (en) | 2008-11-05 | 2016-08-23 | Shockwave Medical, Inc. | Shockwave valvuloplasty catheter system |
US10149690B2 (en) | 2008-11-05 | 2018-12-11 | Shockwave Medical, Inc. | Shockwave valvuloplasty catheter system |
US9044619B2 (en) | 2008-11-05 | 2015-06-02 | Shockwave Medical, Inc. | Shockwave valvuloplasty catheter system |
US11000299B2 (en) | 2008-11-05 | 2021-05-11 | Shockwave Medical, Inc. | Shockwave valvuloplasty catheter system |
US9814476B2 (en) | 2011-11-08 | 2017-11-14 | Shockwave Medical, Inc. | Shock wave valvuloplasty device with moveable shock wave generator |
US10478202B2 (en) | 2011-11-08 | 2019-11-19 | Shockwave Medical, Inc. | Shock wave valvuloplasty device with moveable shock wave generator |
US9289224B2 (en) | 2011-11-08 | 2016-03-22 | Shockwave Medical, Inc. | Shock wave valvuloplasty device with moveable shock wave generator |
US11696799B2 (en) | 2012-06-27 | 2023-07-11 | Shockwave Medical, Inc. | Shock wave balloon catheter with multiple shock wave sources |
US9642673B2 (en) | 2012-06-27 | 2017-05-09 | Shockwave Medical, Inc. | Shock wave balloon catheter with multiple shock wave sources |
US9993292B2 (en) | 2012-06-27 | 2018-06-12 | Shockwave Medical, Inc. | Shock wave balloon catheter with multiple shock wave sources |
US9011463B2 (en) | 2012-06-27 | 2015-04-21 | Shockwave Medical, Inc. | Shock wave balloon catheter with multiple shock wave sources |
US10682178B2 (en) | 2012-06-27 | 2020-06-16 | Shockwave Medical, Inc. | Shock wave balloon catheter with multiple shock wave sources |
US9433428B2 (en) | 2012-08-06 | 2016-09-06 | Shockwave Medical, Inc. | Low profile electrodes for an angioplasty shock wave catheter |
US11076874B2 (en) | 2012-08-06 | 2021-08-03 | Shockwave Medical, Inc. | Low profile electrodes for an angioplasty shock wave catheter |
US9220521B2 (en) | 2012-08-06 | 2015-12-29 | Shockwave Medical, Inc. | Shockwave catheter |
US8888788B2 (en) | 2012-08-06 | 2014-11-18 | Shockwave Medical, Inc. | Low profile electrodes for an angioplasty shock wave catheter |
US10206698B2 (en) | 2012-08-06 | 2019-02-19 | Shockwave Medical, Inc. | Low profile electrodes for an angioplasty shock wave catheter |
US9138249B2 (en) | 2012-08-17 | 2015-09-22 | Shockwave Medical, Inc. | Shock wave catheter system with arc preconditioning |
US10973538B2 (en) | 2012-09-13 | 2021-04-13 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US11596424B2 (en) | 2012-09-13 | 2023-03-07 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US10517620B2 (en) | 2012-09-13 | 2019-12-31 | Shockwave Medical, Inc. | Shock wave catheter system with energy control |
US10517621B1 (en) | 2012-09-13 | 2019-12-31 | Shockwave Medical, Inc. | Method of managing energy delivered by a shockwave through dwell time compensation |
US11432834B2 (en) | 2012-09-13 | 2022-09-06 | Shockwave Medical, Inc. | Shock wave catheter system with energy control |
US9005216B2 (en) | 2012-09-13 | 2015-04-14 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US9522012B2 (en) | 2012-09-13 | 2016-12-20 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US9333000B2 (en) | 2012-09-13 | 2016-05-10 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US10159505B2 (en) | 2012-09-13 | 2018-12-25 | Shockwave Medical, Inc. | Shockwave catheter system with energy control |
US10420569B2 (en) | 2014-05-08 | 2019-09-24 | Shockwave Medical, Inc. | Shock wave guide wire |
US9730715B2 (en) | 2014-05-08 | 2017-08-15 | Shockwave Medical, Inc. | Shock wave guide wire |
US10555744B2 (en) | 2015-11-18 | 2020-02-11 | Shockware Medical, Inc. | Shock wave electrodes |
US11337713B2 (en) | 2015-11-18 | 2022-05-24 | Shockwave Medical, Inc. | Shock wave electrodes |
US10226265B2 (en) | 2016-04-25 | 2019-03-12 | Shockwave Medical, Inc. | Shock wave device with polarity switching |
US11026707B2 (en) | 2016-04-25 | 2021-06-08 | Shockwave Medical, Inc. | Shock wave device with polarity switching |
US11517337B2 (en) | 2016-10-06 | 2022-12-06 | Shockwave Medical, Inc. | Aortic leaflet repair using shock wave applicators |
US10646240B2 (en) | 2016-10-06 | 2020-05-12 | Shockwave Medical, Inc. | Aortic leaflet repair using shock wave applicators |
US10357264B2 (en) | 2016-12-06 | 2019-07-23 | Shockwave Medical, Inc. | Shock wave balloon catheter with insertable electrodes |
US11517338B2 (en) | 2017-04-19 | 2022-12-06 | Shockwave Medical, Inc. | Drug delivery shock wave balloon catheter system |
US10441300B2 (en) | 2017-04-19 | 2019-10-15 | Shockwave Medical, Inc. | Drug delivery shock wave balloon catheter system |
US11020135B1 (en) | 2017-04-25 | 2021-06-01 | Shockwave Medical, Inc. | Shock wave device for treating vascular plaques |
US11602363B2 (en) | 2017-06-19 | 2023-03-14 | Shockwave Medical, Inc. | Device and method for generating forward directed shock waves |
US10966737B2 (en) | 2017-06-19 | 2021-04-06 | Shockwave Medical, Inc. | Device and method for generating forward directed shock waves |
US11950793B2 (en) | 2017-06-19 | 2024-04-09 | Shockwave Medical, Inc. | Device and method for generating forward directed shock waves |
US11622780B2 (en) | 2017-11-17 | 2023-04-11 | Shockwave Medical, Inc. | Low profile electrodes for a shock wave catheter |
US10709462B2 (en) | 2017-11-17 | 2020-07-14 | Shockwave Medical, Inc. | Low profile electrodes for a shock wave catheter |
US11596423B2 (en) | 2018-06-21 | 2023-03-07 | Shockwave Medical, Inc. | System for treating occlusions in body lumens |
US11478261B2 (en) | 2019-09-24 | 2022-10-25 | Shockwave Medical, Inc. | System for treating thrombus in body lumens |
Also Published As
Publication number | Publication date |
---|---|
CA2212367A1 (en) | 1996-08-15 |
US6007530A (en) | 1999-12-28 |
JPH10513379A (ja) | 1998-12-22 |
DE19504261A1 (de) | 1996-09-12 |
EP0808132A1 (de) | 1997-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1996024297A1 (de) | Angioplastie-katheter zum erweitern und/oder eröffnen von blutgefässen | |
DE3206782C2 (de) | Chirurgisches Instrument | |
EP0330843B1 (de) | Verfahren und Vorrichtung zum Entfernen von Ablagerungen in Gefässen und Organen von Lebewesen | |
DE19909567B4 (de) | Vorrichtung und Verfahren zum Einschneiden | |
EP1152699B1 (de) | Medizinisches instrument zur abtragung von gewebe, knochenzement oder dergleichen im menschlichen oder tierischen körper | |
EP0170650B1 (de) | Gerät zum perforieren der linsenkapselvorderwand im auge von lebewesen | |
EP0305357B1 (de) | Zahnärztliches Handstück | |
DE4036570C2 (de) | ||
DE19725477C2 (de) | Medizinisches Instrument zur Behandlung von biologischem Gewebe | |
DE69827780T2 (de) | Katheter zur transmyokardialen revaskularisation | |
DE4025825C2 (de) | ||
DE2342922A1 (de) | Verfahren und vorrichtung zur entfernung eines grauen stars mittels ultraschall | |
DE3320076C2 (de) | Vorrichtung mit Düsen am vorderen Teil von medizinischen Sonden, Kathetern, Schläuchen oder dergleichen | |
DE19806693A1 (de) | Tumortherapie | |
WO1997018745A2 (de) | Schab- bzw. schneidinstrument | |
DE2605968A1 (de) | Vorrichtung fuer chirurgische zwecke | |
EP1643919B1 (de) | Vorrichtung zum fragmentieren von substanzen | |
EP1151724B1 (de) | Ultraschallzertrümmerer zum Zerkleinern oder Entfernen von Gewebe | |
EP0315730A2 (de) | Vorrichtung zum Erweiten und/oder Eröffnen von Blutgefässen | |
DE10146011A1 (de) | Verfahren und Anordnung zur Thrombektomie | |
DE102020134602B4 (de) | Lithotripsievorrichtung, Lithotripsiesystem und Verfahren zum Betreiben einer Lithotripsievorrichtung | |
DE102016008546A1 (de) | Mikroperforiergerät, zugehöriges Verfahren sowie Verwendung eines Mikroperforiergeräts | |
DE102006057268A1 (de) | Medizinisches Gerät zur Behandlung des menschlichen oder tierischen Körpers mit mechanischen Druck- oder Stosswellen | |
DE3248101A1 (de) | Geraet zum perforieren der linsenkapselvorderwand im auge von lebewesen | |
DE19510185A1 (de) | Elektrochirurgisches Werkzeug |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CA JP US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES 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: 1996904045 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2212367 Country of ref document: CA Ref country code: CA Ref document number: 2212367 Kind code of ref document: A Format of ref document f/p: F |
|
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 1996 524004 Kind code of ref document: A Format of ref document f/p: F |
|
WWP | Wipo information: published in national office |
Ref document number: 1996904045 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 08894722 Country of ref document: US |
|
WWR | Wipo information: refused in national office |
Ref document number: 1996904045 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1996904045 Country of ref document: EP |