DE8900059U1 - Catheter for the treatment of arterial thrombosis - Google Patents
Catheter for the treatment of arterial thrombosisInfo
- Publication number
- DE8900059U1 DE8900059U1 DE8900059U DE8900059U DE8900059U1 DE 8900059 U1 DE8900059 U1 DE 8900059U1 DE 8900059 U DE8900059 U DE 8900059U DE 8900059 U DE8900059 U DE 8900059U DE 8900059 U1 DE8900059 U1 DE 8900059U1
- Authority
- DE
- Germany
- Prior art keywords
- tube
- catheter according
- guide wire
- catheter
- comminution device
- 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.)
- Expired
Links
- 206010003178 Arterial thrombosis Diseases 0.000 title claims description 3
- 208000007536 Thrombosis Diseases 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 7
- 210000004204 blood vessel Anatomy 0.000 claims description 2
- 244000309464 bull Species 0.000 description 3
- 206010014513 Embolism arterial Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00681—Aspects not otherwise provided for
- A61B2017/00685—Archimedes screw
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
Die Neuerung betrifft einen Katheter nach dem Oberbegriff des unabhängigen afcaftnspruchs 1.The innovation concerns a catheter according to the generic term of independent claim 1.
Mit Kathetern dieser Art sind zur Behandlung lokaler arterieller Thrombosen oder Embolien Extraktionen versucht worden, die jedoch bezüglich ihres Erfolges nicht überzeugen konnten und deshalb keine nennenswerte Anwendung gefunden haben.Attempts have been made to use catheters of this type to treat local arterial thrombosis or embolism extractions, but these have not been convincing in terms of their success and have therefore not found any significant application.
Der Neuerung liegt die Aufgabe zugrunde, einen Katheter der genannten Gattung zu schaffen, der in üblicher Weise transfemoral eingeführt werden kann und der es bei möglichst geringem Risiko für den Patienten gestattet, einen Thrombus vollständig aus dem Gefäss zu entfernen. Die Aufgabe wird durch die Neuerung gemäss Anspruch 1 gelöst.The innovation is based on the task of creating a catheter of the type mentioned, which can be introduced transfemorally in the usual way and which allows a thrombus to be completely removed from the vessel with the lowest possible risk for the patient. The task is solved by the innovation according to claim 1.
&igr; &igr; ■ t &igr; • III &igr;&igr; ■ t &igr; • III
Umfangreiche Versuche mit dem neuerungsgemässen Katheter waren erfolgreich und zeigten in keinem Fall eine Komplikation im Sinne einer Dissektion, Perforation oder katheterbedingten Thrombose. Es gelang jeweils, die Strombahn, die von 2 mm bis zu 9 cm Länge thrombotisch verschlossen war, durch die Aspirationsthromboembolektomie zu rekanalisieren.Extensive tests with the new catheter were successful and showed no complications in the sense of dissection, perforation or catheter-related thrombosis. In each case, the blood vessel, which was thrombotically blocked from 2 mm to 9 cm in length, was successfully recanalized by aspiration thromboembolectomy.
Wesentlich ist, dass das vordere Ende der Zerkleinerungsvorrichtung während ihrer Rotation den Katheterschlauch vorne an der Ansaugmündung nicht verlässt und die Gefässwand deshalb nicht schädigen kann.It is essential that the front end of the shredding device does not leave the catheter tube at the front of the suction opening during its rotation and therefore cannot damage the vessel wall.
Ist die Zerkleinerungsvorrichtung gemäss einer Weiterbildung der Neuerung in Längsrichtung hin und her bewegbar, so kann damit das zunächst aspirierte Thrombosematerial zusätzlich mechanisch zusammen mit einer Vakuumunterstützung in den Katheterschlauch hineingezogen werden.If the shredding device can be moved back and forth in the longitudinal direction according to a further development of the innovation, the initially aspirated thrombosis material can also be drawn mechanically into the catheter tube together with vacuum support.
Der Schlauch kann vorne durch einen üblichen Abschnitt enden und ist vorne offen und zeigt keine Verjüngung des Lumens oder des Aussendurchmessers. Ebenfalls sind keine Führungseinrichtungen für den Katheterdraht oder die Zerkleinerungsvorrichtung erforderlich.The tube may terminate in a standard section at the front and is open at the front and does not show any tapering of the lumen or the outer diameter. Also, no guide devices for the catheter wire or the shredding device are required.
Gemäss einer Weiterbildung der Neuerung ist die Zerkleinerungsvorrichtung als zylindrische Schnecke ausgebildet.According to a further development of the innovation, the shredding device is designed as a cylindrical screw.
- 6 -■- 6 -■
Diese Schnecke dient einerseits als Förderechnecke, anderseits besorgt sie aber auch die Zerkleinerung der an der Mündung des Schlauches angesaugten Thromben. Da die Thromben bereits kurz hinter der SchlauchmUndung zerkleinert werden, können sie den Katheterschlauch nicht verstopfen und lassen sich mit hoher Förderleitstung absaugen. Als besonders funktionssicher und effektiv hat sich eine Zerkleinerungsvorrichtung mit mehreren Gängen und virzugsweise zwei Gängen erwiesen.This screw serves as a conveyor screw on the one hand, but on the other hand it also ensures that the thrombi that are sucked in at the mouth of the tube are broken up. Since the thrombi are broken up just behind the mouth of the tube, they cannot block the catheter tube and can be sucked out with high delivery rates. A crushing device with several gears, preferably two gears, has proven to be particularly reliable and effective.
Vorteilhaft ist, wenn zwischen der Aussenseite der Zerkleinerungsvorrichtung und der Innenseite des Katheternchlauches ein radiales Spiel von vorzugsweise 0,5 mm besteht. Die Zerkleinerungsvorrichtung kann dadurch entsprechend dem gegebenen radialen Spiel ausweichen. Das angesaugte Thrombenmateriai wird ebenfalls irs Zwischenraum zwischen Zerkleinerungsvorrichtung und Innenseite des Schlauches zerkleinert und gefördert. It is advantageous if there is a radial clearance of preferably 0.5 mm between the outside of the shredding device and the inside of the catheter tube. The shredding device can therefore move in accordance with the given radial clearance. The sucked-in thrombus material is also shredded and conveyed into the space between the shredding device and the inside of the tube.
Vorzugsweise ist der Führungsdraht im Antrieb unabhängig vom Katheterschlauch in seiner Längsrichtung hin und her verschiebbar. Ist zudem der Katheterschlauch unabhängig vom Führungsdraht in seiner Längsrichtung hin und her verstellbar, so wird eine besonders gute Handlichkeit und Betriebssicherheit erreicht. Vorzugsweise ist der Katheterschlauch mit einer stufenlosen Feinverstellung verschiebbar.Preferably, the guide wire in the drive can be moved back and forth in its longitudinal direction independently of the catheter tube. If the catheter tube can also be adjusted back and forth in its longitudinal direction independently of the guide wire, this achieves particularly good handling and operational reliability. Preferably, the catheter tube can be moved with a continuous fine adjustment.
I · · f t · · »ft··I · · f t · · »ft··
-T--T-
Da mit dem erfindungsgemässen Katheter pro Zeiteinheit wesentlich mehr Thrombenmaterial als bisher abgeführt werden kann, kann entsprechend die Belastung und Gefährdung des Patienten verkleinert werden. Mit dem erfindungsgemHssen Katheter konnte in einem Fall bis zu 20 g teils frisches, teils älteres Thrombusmateiiäi tänsluiriinsl abgesaugt werden.Since the catheter according to the invention can remove significantly more thrombus material per unit of time than previously, the stress and risk to the patient can be reduced accordingly. In one case, up to 20 g of partly fresh, partly older thrombus material could be suctioned out continuously using the catheter according to the invention.
Ein AusfUhrungsbeispiel der Neuerung wird nachfolgend anhand der Zeichnungen näher erläutert. Es zeigen:An example of the innovation is explained in more detail below using the drawings. They show:
Fig. 1 einen Teilschnitt durch das distale Ende des Katheters, Fig. 1 a partial section through the distal end of the catheter,
Fig. 2 einen Längsschnitt durch einen Abschnitt eines arteriellen Gefässes mit eingeführter Katheterspitze, undFig. 2 a longitudinal section through a section of an arterial vessel with inserted catheter tip, and
Fig. 3 schematisch den Antrieb des Katheters.Fig. 3 schematically shows the drive of the catheter.
In einem beispielsweise 1 m langen Schlauch 1 aus Polytetrafluoräthylen ist ein flexibler Führungsdraht 9 von etwa 0,6 mm angeordnet. Der Schlauch 1 ist am vorderen Ende ohne Verjüngung seines Lumens oder seines Aussendurchmessers wie in Fig. 1 gezeigt abgeschnitten. Auf das vordere Ende des Führungsdrahtes 9 ist eine vorzugsweise aus Metall hergestellte Zerkleinerungsvorrichtung 4 in der Form einerA flexible guide wire 9 of approximately 0.6 mm is arranged in a tube 1 made of polytetrafluoroethylene, for example, which is 1 m long. The tube 1 is cut off at the front end without tapering its lumen or its outer diameter, as shown in Fig. 1. A comminution device 4, preferably made of metal, in the form of a
Förderschnecke aufgesteckt und drehfest mit dem Führungsdraht 9 verlötet. Die Zerkleinerungsvorrichtung 4 besitzt einen Aussendurchmesser von etwa 2 mm und der Schlauch 1 eine entsprechende zylindrische Innenseite mit einem Durchmesser von etwa 2,4 mm. Es besteht somit ein radiales Spiel zwischen der Aussenseite der Zerkleinerungsvorrichtung 4 und der Schlauchinnenseite 2. An ihrem zylindrischen Umfang besitzt die Zerkleinerungsvorrichtung 4 zwei gleiche, im Querschnitt trapezförmige Gänge 5 mit je einer Stirnfläche 6, die über scharfe Kanten 6a in Flankenflächen 6b übergehen.Conveyor screw attached and soldered to the guide wire 9 in a rotationally fixed manner. The shredding device 4 has an outside diameter of about 2 mm and the hose 1 has a corresponding cylindrical inside with a diameter of about 2.4 mm. There is thus a radial clearance between the outside of the shredding device 4 and the inside of the hose 2. On its cylindrical circumference, the shredding device 4 has two identical, trapezoidal cross-section channels 5, each with a front surface 6, which transition into flank surfaces 6b via sharp edges 6a.
Wie die Fig. 3 zeigt, besitzt der Schlauch 1 eine Doppelschleuse 14, einen ersten Ausgang 15, an den eine hier nicht gezeigte Absaugpumpe, beispielsweise eine Rollerpumpe, anzuschliessen ist. Ein zweiter Ausgang 20 ist an einem Antrieb 21 angeschlossen. Durch diesen zweiten Ausgang 20 führt der Führungsdraht 9 nach aussen zu einer Halterung 22, in weicher der Führungsdraht 9 in seiner Längsrichtung stufenlos verschiebbar ist. üeber einen im Antrieb angeordneten Elektromotor kann die Halterung 22 und damit der Führungsdraht 9 stufenlos mit 20 bis 100 Umdrehungen pro Minute rotiert werden.As shown in Fig. 3, the hose 1 has a double lock 14, a first outlet 15 to which a suction pump (not shown here), for example a roller pump, is to be connected. A second outlet 20 is connected to a drive 21. Through this second outlet 20, the guide wire 9 leads outwards to a holder 22 in which the guide wire 9 can be continuously moved in its longitudinal direction. The holder 22 and thus the guide wire 9 can be continuously rotated at 20 to 100 revolutions per minute via an electric motor arranged in the drive.
Ueber eine Kupplung 16 ist der Schlauch 1 mit einem Arm 23 verbunden, der mittels einer Schraube 19 bezüglich der übrigen Teile des Antriebes 21 in Längsrichtung des SchlauchesThe hose 1 is connected to an arm 23 via a coupling 16, which is pivoted by means of a screw 19 relative to the other parts of the drive 21 in the longitudinal direction of the hose.
• &igr; ·
• # · •&igr; ·
•# ·
stufenlos hin und her bewegt v/erden kann. Ueber einen an einem Handgriff 18 angebrachten Hebel 17 kann der Motor ein- und ausgeschaltet werden.can be moved continuously back and forth. The motor can be switched on and off using a lever 17 attached to a handle 18.
Die Arbeitsweise des Katheters wird nachfolgend anhand der _ Figur näher erläutert. Die Mündung 3 des Katheters wirdThe operation of the catheter is explained in more detail below using the figure _. The opening 3 of the catheter is
rnter Durchleuchtungskontrolle bis zum Thrombus vorgeschoben. Mit dem Antrieb 21 und über den Führungsdraht 9 wird die Zerkleinerungsvorrichtung 4 zur Rotation gebracht und gleich-■;·.·' zeitig durch den Schlauch 1 an der Mündung 3 unter ;K Druck Thrombenmaterial angezogen. Die in den Schlauch 1 gesaugten Thrombenteile 11a, die in der Regel grosser sind als hier dargestellt, werden durch die Kanten 6a verkleinert undThe thrombus is then advanced to the thrombus under fluoroscopy. The drive 21 and the guide wire 9 cause the crushing device 4 to rotate and at the same time thrombus material is drawn in through the tube 1 at the mouth 3 under pressure . The thrombus parts 11a sucked into the tube 1, which are generally larger than shown here, are reduced in size by the edges 6a and
hauptsächlich in einer spiralförmigen Furche 7 nach hinten gefördert. Die nun sehr kleinen Thrombenteile 11b gelangen nur. sä it Gefässf lüssigkeit im Schlauch 11 nach aussen. Während dieses Vorgangs wird die Zerkleinerungsvorrichtung 4 in Längsrichtung durch Bedienung der Schraube 19 um etwa 2 - 3 mm hin und her bewegt. Der Schlauch 4 wird hierbei soweit im Thrombus 11 vorgeschoben, bis ein durchgehender Kanal vorhanden ist.mainly in a spiral-shaped groove 7 to the rear. The now very small thrombus parts 11b only reach the outside through the vascular fluid in the tube 11. During this process, the crushing device 4 is moved back and forth in the longitudinal direction by about 2 - 3 mm by operating the screw 19. The tube 4 is pushed forward in the thrombus 11 until a continuous channel is present.
fs Trotz der erheblichen Vorteile des neuerungsgemässenfs Despite the considerable advantages of the new
ft Katheters ist dieser mit wenigen, einfachen und robustenft catheter is this with a few, simple and robust
■S Bestandteilen realisierbar, so dass ein Katheter geschaffen■S components, so that a catheter can be created
: wurde, der nicht nur eine schonende und erfolgversprechende: was not only a gentle and promising
® Behandlung gestattet, sondern der aufgrund seiner einfachen® treatment, but due to its simple
- 10 - - 10 -
und robusten Ausführbarkeit in der Herstellung günstig und äusserst zuverlässig ist.and robust design, it is inexpensive to manufacture and extremely reliable.
Il * t Il * t
I * I *
I tt*I tt*
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8900059U DE8900059U1 (en) | 1989-01-04 | 1989-01-04 | Catheter for the treatment of arterial thrombosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8900059U DE8900059U1 (en) | 1989-01-04 | 1989-01-04 | Catheter for the treatment of arterial thrombosis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8900059U1 true DE8900059U1 (en) | 1989-05-24 |
Family
ID=6834805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8900059U Expired DE8900059U1 (en) | 1989-01-04 | 1989-01-04 | Catheter for the treatment of arterial thrombosis |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE8900059U1 (en) |
Cited By (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0442263A1 (en) * | 1990-01-30 | 1991-08-21 | Microcision, Inc. | Atherectomy device with helical cutter |
| EP0672386A1 (en) * | 1994-03-10 | 1995-09-20 | SURGICAL SYSTEMS & INSTRUMENTS Inc. | Lumen tracking atherectomy system |
| WO2000066010A1 (en) * | 1999-04-30 | 2000-11-09 | Edwards Lifesciences Corporation | Percutaneous material removal device and method |
| US6790215B2 (en) | 1999-04-30 | 2004-09-14 | Edwards Lifesciences Corporation | Method of use for percutaneous material removal device and tip |
| US7172610B2 (en) | 1998-04-10 | 2007-02-06 | Ev3 Endovascular, Inc. | Rotational atherectomy system with stationary cutting elements |
| US7235088B2 (en) | 1998-04-10 | 2007-06-26 | Ev3 Endovascular, Inc. | Neuro thrombectomy catheter |
| US7479147B2 (en) | 1998-04-10 | 2009-01-20 | Ev3 Endovascular, Inc. | Rotational atherectomy device |
| US7481817B2 (en) | 2003-02-13 | 2009-01-27 | Lsi Soultions, Inc. | Instrument for surgically cutting tissue and method of use |
| US8016845B1 (en) | 2003-02-04 | 2011-09-13 | Lsi Solutions, Inc. | Instrument for guiding the surgical cutting of tissue and method of use |
| US8192452B2 (en) | 2009-05-14 | 2012-06-05 | Tyco Healthcare Group Lp | Easily cleaned atherectomy catheters and methods of use |
| US8226674B2 (en) | 2000-12-20 | 2012-07-24 | Tyco Healthcare Group Lp | Debulking catheters and methods |
| US8246640B2 (en) | 2003-04-22 | 2012-08-21 | Tyco Healthcare Group Lp | Methods and devices for cutting tissue at a vascular location |
| US8328829B2 (en) | 1999-08-19 | 2012-12-11 | Covidien Lp | High capacity debulking catheter with razor edge cutting window |
| US8414604B2 (en) | 2008-10-13 | 2013-04-09 | Covidien Lp | Devices and methods for manipulating a catheter shaft |
| US8469979B2 (en) | 2000-12-20 | 2013-06-25 | Covidien Lp | High capacity debulking catheter with distal driven cutting wheel |
| US8496677B2 (en) | 2009-12-02 | 2013-07-30 | Covidien Lp | Methods and devices for cutting tissue |
| US8597315B2 (en) | 1999-08-19 | 2013-12-03 | Covidien Lp | Atherectomy catheter with first and second imaging devices |
| US8784440B2 (en) | 2008-02-25 | 2014-07-22 | Covidien Lp | Methods and devices for cutting tissue |
| US8808186B2 (en) | 2010-11-11 | 2014-08-19 | Covidien Lp | Flexible debulking catheters with imaging and methods of use and manufacture |
| US8920450B2 (en) | 2010-10-28 | 2014-12-30 | Covidien Lp | Material removal device and method of use |
| US8992717B2 (en) | 2011-09-01 | 2015-03-31 | Covidien Lp | Catheter with helical drive shaft and methods of manufacture |
| US8998937B2 (en) | 1999-08-19 | 2015-04-07 | Covidien Lp | Methods and devices for cutting tissue |
| US9028512B2 (en) | 2009-12-11 | 2015-05-12 | Covidien Lp | Material removal device having improved material capture efficiency and methods of use |
| US9119662B2 (en) | 2010-06-14 | 2015-09-01 | Covidien Lp | Material removal device and method of use |
| US9456843B2 (en) | 2014-02-03 | 2016-10-04 | Covidien Lp | Tissue-removing catheter including angular displacement sensor |
| US9532844B2 (en) | 2012-09-13 | 2017-01-03 | Covidien Lp | Cleaning device for medical instrument and method of use |
| US9687266B2 (en) | 2009-04-29 | 2017-06-27 | Covidien Lp | Methods and devices for cutting and abrading tissue |
| US9801647B2 (en) | 2006-05-26 | 2017-10-31 | Covidien Lp | Catheter including cutting element and energy emitting element |
| US9943329B2 (en) | 2012-11-08 | 2018-04-17 | Covidien Lp | Tissue-removing catheter with rotatable cutter |
| US10213224B2 (en) | 2014-06-27 | 2019-02-26 | Covidien Lp | Cleaning device for catheter and catheter including the same |
| US10292728B2 (en) | 2014-02-03 | 2019-05-21 | Covidien Lp | Tissue-removing catheter with improved angular tissue-removing positioning within body lumen |
| US10292721B2 (en) | 2015-07-20 | 2019-05-21 | Covidien Lp | Tissue-removing catheter including movable distal tip |
| US10314664B2 (en) | 2015-10-07 | 2019-06-11 | Covidien Lp | Tissue-removing catheter and tissue-removing element with depth stop |
| US10314667B2 (en) | 2015-03-25 | 2019-06-11 | Covidien Lp | Cleaning device for cleaning medical instrument |
| US11395665B2 (en) | 2018-05-01 | 2022-07-26 | Incept, Llc | Devices and methods for removing obstructive material, from an intravascular site |
| US11439799B2 (en) | 2019-12-18 | 2022-09-13 | Imperative Care, Inc. | Split dilator aspiration system |
| US11471582B2 (en) | 2018-07-06 | 2022-10-18 | Incept, Llc | Vacuum transfer tool for extendable catheter |
| US11504020B2 (en) | 2019-10-15 | 2022-11-22 | Imperative Care, Inc. | Systems and methods for multivariate stroke detection |
| US11517335B2 (en) | 2018-07-06 | 2022-12-06 | Incept, Llc | Sealed neurovascular extendable catheter |
| US11553935B2 (en) | 2019-12-18 | 2023-01-17 | Imperative Care, Inc. | Sterile field clot capture module for use in thrombectomy system |
| US11565082B2 (en) | 2020-03-10 | 2023-01-31 | Imperative Care, Inc. | Enhanced flexibility neurovascular catheter |
| US11819228B2 (en) | 2019-12-18 | 2023-11-21 | Imperative Care, Inc. | Methods and systems for treating a pulmonary embolism |
| US11903588B2 (en) | 2017-01-06 | 2024-02-20 | Incept, Llc | Thromboresistant coatings for aneurysm treatment devices |
| US12171917B1 (en) | 2024-01-08 | 2024-12-24 | Imperative Care, Inc. | Devices for blood capture and reintroduction during aspiration procedure |
| US12201506B2 (en) | 2019-12-18 | 2025-01-21 | Imperative Care, Inc. | Rotatable thrombus engagement tool |
| US12232838B2 (en) | 2021-08-12 | 2025-02-25 | Imperative Care, Inc. | Method of robotically performing a neurovascular procedure |
| USD1077996S1 (en) | 2021-10-18 | 2025-06-03 | Imperative Care, Inc. | Inline fluid filter |
| US12343479B2 (en) | 2016-02-24 | 2025-07-01 | Incept, Llc | Neurovascular catheter |
| US12350443B2 (en) | 2019-03-29 | 2025-07-08 | Incept, Llc | Enhanced flexibility neurovascular catheter |
-
1989
- 1989-01-04 DE DE8900059U patent/DE8900059U1/en not_active Expired
Cited By (93)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0442263A1 (en) * | 1990-01-30 | 1991-08-21 | Microcision, Inc. | Atherectomy device with helical cutter |
| EP0672386A1 (en) * | 1994-03-10 | 1995-09-20 | SURGICAL SYSTEMS & INSTRUMENTS Inc. | Lumen tracking atherectomy system |
| US8579926B2 (en) | 1998-04-10 | 2013-11-12 | Covidien Lp | Plaque removal device with rotatable cutting element |
| US7172610B2 (en) | 1998-04-10 | 2007-02-06 | Ev3 Endovascular, Inc. | Rotational atherectomy system with stationary cutting elements |
| US7235088B2 (en) | 1998-04-10 | 2007-06-26 | Ev3 Endovascular, Inc. | Neuro thrombectomy catheter |
| US7479147B2 (en) | 1998-04-10 | 2009-01-20 | Ev3 Endovascular, Inc. | Rotational atherectomy device |
| US7771445B2 (en) | 1998-04-10 | 2010-08-10 | Ev3 Endovascular, Inc. | Rotational atherectomy system with stationary cutting elements |
| US7842055B2 (en) | 1998-04-10 | 2010-11-30 | Ev3 Endovascular, Inc. | Neuro thrombectomy catheter |
| US6623495B2 (en) | 1999-04-30 | 2003-09-23 | Edwards Lifesciences Corporation | Percutaneous material removal device tip |
| US6790215B2 (en) | 1999-04-30 | 2004-09-14 | Edwards Lifesciences Corporation | Method of use for percutaneous material removal device and tip |
| WO2000066010A1 (en) * | 1999-04-30 | 2000-11-09 | Edwards Lifesciences Corporation | Percutaneous material removal device and method |
| US9486237B2 (en) | 1999-08-19 | 2016-11-08 | Covidien Lp | Methods and devices for cutting tissue |
| US9615850B2 (en) | 1999-08-19 | 2017-04-11 | Covidien Lp | Atherectomy catheter with aligned imager |
| US8328829B2 (en) | 1999-08-19 | 2012-12-11 | Covidien Lp | High capacity debulking catheter with razor edge cutting window |
| US8911459B2 (en) | 1999-08-19 | 2014-12-16 | Covidien Lp | Debulking catheters and methods |
| US9532799B2 (en) | 1999-08-19 | 2017-01-03 | Covidien Lp | Method and devices for cutting tissue |
| US9788854B2 (en) | 1999-08-19 | 2017-10-17 | Covidien Lp | Debulking catheters and methods |
| US10022145B2 (en) | 1999-08-19 | 2018-07-17 | Covidien Lp | Methods and devices for cutting tissue |
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