WO2001068178A1 - Catheter orientable - Google Patents
Catheter orientable Download PDFInfo
- Publication number
- WO2001068178A1 WO2001068178A1 PCT/US2001/007441 US0107441W WO0168178A1 WO 2001068178 A1 WO2001068178 A1 WO 2001068178A1 US 0107441 W US0107441 W US 0107441W WO 0168178 A1 WO0168178 A1 WO 0168178A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wire
- catheter system
- distal end
- catheter
- proximal end
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull 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
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0136—Handles therefor
-
- 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
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M2025/0161—Tip steering devices wherein the distal tips have two or more deflection regions
-
- 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
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0144—Tip steering devices having flexible regions as a result of inner reinforcement means, e.g. struts or rods
-
- 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
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0152—Tip steering devices with pre-shaped mechanisms, e.g. pre-shaped stylets or pre-shaped outer tubes
Definitions
- the present invention relates to medical catheters, and more particularly to structures for steering the distal region of a catheter.
- Minimally invasive surgery is a term that is often used to describe the diagnosis or treatment of a patient without the need for an extensive incision in the patient's body, and it is increasingly becoming the technique of choice for an expanding range of medical procedures.
- Devices used in this type of surgery include a first portion that is introduced within the body through a small incision or existing body opening, and a second portion that remains outside of the body to interface with additional equipment and to provide controls for functions related to a first portion of the device.
- a flexible catheter-type implement is required for access.
- the catheter can be self-guiding. Other procedures require that the catheter be guided or even steerable.
- Known steering devices include pull-wire systems wherein a wire is secured to an internal portion or structure within a catheter near its distal end, as well as to a manually manipulable member at its proximal end. The member is displaced to apply tension to the wire, pulling it in the proximal direction, thereby causing the distal tip of the catheter to bend toward the tensed wire. When the tension is reduced or released, the catheter tip will usually return to a normal (unfiexed) state.
- pull- wire systems have utility, they also have limitations. For example, when the pull- wire is placed under tension, the plane (or azimuthal direction) of deflection of the catheter is often ill-defined. Yet another deficiency in the pull wire system is that the release of tension on the pull-wire does not necessarily ensure that the tip will return to its original position because the slack wire does not provide a restorative force to the catheter tip to reposition it. Some instrument manufacturers have attempted to address this limitation by providing a second, opposing pull-wire. However, as with a single pull-wire, a second pull-wire can also yield unpredictable deflection. Some systems include more than two wires but additional wires or other structures are undesirable because the space within the catheter lumen is scarce — especially for very small diameter catheters (e.g., 5 French or less). It is therefore desirable to obtain alternatives to pull-wire type steering systems.
- a catheter system includes an elongate body, such as a single or multi-lumen catheter having a proximal end and a distal end.
- First and second wires are enclosed within a lumen of the elongate body, and the wires are joined to each other at one or more points.
- a portion of the first wire can be flattened, such as its distal region, and both the first and second wires can be made of resilient materials.
- a spring can be provided to impart a bias force upon one or both of the wires and provide additional column strength.
- a spring can be joined to the tip and extend over the flattened blade portion of the first wire to preclude buckling and/or ensure that the steering elements bend in a desired direction.
- a handle unit and steering mechanism can fix the first wire at a predetermined location to prevent translatory movement of the first wire along the longitudinal axis, while permitting translatory movement of the second wire from an initial position to a forward position.
- catheter as used herein is intended to encompass elongated probe instruments, generally, including instruments designed to travel through blood vessels, heart chambers, ducts, airways, the throat, stomach or intestines as well as instruments that are introduced into the body directly or via a trocar or large bone needle.
- catheter is also meant to encompass endoscopes, laproscopes, culpascopes, cystoscopes and the like.
- FIG. 1 is a simplified view of a medical system in accordance with the invention
- FIG. 2 is a schematic illustration of the distal end of a system according to the invention configured for a Josephson type procedure
- FIG. 3 is a schematic illustration of the distal end of a system according to the invention configured for a Cournand procedure
- FIG. 4 is a schematic illustration of the distal end of a system according to the invention configured for an atrioventricular procedure
- FIG. 5 is a schematic illustration of the distal end of a system according to the invention configured for a coronary sinus procedure
- FIG. 6 is an exploded view of a catheter portion of the system of FIG. 1;
- FIG. 7 is an exploded view of a handle portion of the system of FIG. 1;
- FIG. 8 is a sectional view of a handle portion of FIG. 1, taken along line
- FIG. 9 is an exploded view of a system with a removable catheter portion
- FIG. 10 illustrates an embodiment of the invention, having an extendable catheter portion
- FIG. 11 illustrates a system having a pre-shaped catheter in a non-deflected state
- FIG. 12 depicts the system of FIG. 11 in a deflected state
- FIG. 13 is a sectional view of a distal portion of the system in association with an open-tip catheter
- FIG. 14 is a sectional view of a distal portion of an alternative configuration for an open-tip catheter.
- FIG. 15 is a sectional view of a distal portion of a system configured for use with a radiant energy source.
- FIG. 1 illustrates a medical system 10 in accordance with the invention that includes a handle portion 11 having a proximal end 12 and a distal end 14.
- An elongate body 16 such as a flexible catheter, having a proximal end 18 and a distal end 20, is secured to the handle portion 11.
- FIG. 2 shows the distal tip of the elongate body 16 configured for a Josephson Type procedure.
- FIG. 3 depicts a configuration that is suitable for a
- FIG. 4 illustrates a configuration suitable for treatment of the atrioventricular bundle (bundle of His); and FIG. 5 shows a configuration for the coronary sinus.
- Exemplary devices can include an elongate body or catheter that is aboutlOO cm to 130 cm in length, with a 3 to 14 French diameter and up to a 25 cm distal curve radius.
- FIG. 6 an exploded view of the elongate body /catheter 16 is illustrated.
- a first wire 26 and a second wire 28 are shown within a central lumen of a flexible catheter 16.
- the various lumens can be lined or coated with lubricious materials such as Teflon® or other fluoropolymer compositions.
- the first and second wires, 26 and 28 respectively, are engaged or attached to each other at a point near the distal end of the catheter 16.
- One or both wires can extend through the catheter lumen to the handle portion 11 (shown in FIG. 1).
- wires 26 and 28 are not joined along their entire length, so that urging the second wire axially forward (toward its distal end) causes the first wire to be deflected or bent, thereby deflecting a portion of the catheter 16 to provide configurations such as those illustrated in FIGS. 2-5.
- Wire 28 is sufficiently stiff to ensure that the axial compressive force started when it moved ("pushed") forward or is transmitted to the distal end of the catheter 16 where wires 26 and 28 are joined.
- the "push" wire element should have a sufficiently high compressive yield strength to withstand buckling during normal manual or automated operation of the steering mechanism. This will typically require a compressive yield strength of at least about 1,000 psi.
- wire 28 has a compressive yield strength ranging from about 10,000 psi to about
- the first wire 26 can include a flattened portion 30, e.g., near or at its distal end, to ensure that the first wire consistently deflects in a single plane.
- This flattened portion can be formed as an integral part of the wire by hot roller processing or other pressure applying techniques.
- the wire 26 can have a two (or more part) construction with a ribbon-like strip welded to the wire body. It may also be advantageous to use superelastic materials, such as nitinols
- first and second wires 26 and 28 can be rotated within the catheter lumen, in unison, by rotating the second knob 24 on the handle portion 11. Alternatively, the entire catheter 16 can be rotated.
- the proximal end of the catheter 16 can include a jacket that is braided, wrapped or otherwise reinforced with a composite structure. In such embodiments, the distal portion would typically not include a braided jacket and/or be made of a more pliant material than the jacket near the proximal end.
- the catheter 16 will return to its pre-deflection orientation when wire 28 is retracted back to its original position. Because wire 28 has high compressive and tensile strength, retraction will transmit a tensile force to the catheter tip thereby ensuring return of the tip to its unflexed state.
- the wires can be made of a flexure-resilient metal, such as stainless steel or a shape memory material such as nitinol, that can return the catheter to a pre-deflection configuration without pushing or pulling on the wire.
- a bias element such as a helical spring wrapped at about 200 turns per inch, can also be provided to provide a further restorative force.
- a spring 32 is associated with the first wire to impart a bias force upon the first wire.
- the spring 32 surrounds a portion of the first wire and is secured thereto.
- the first wire 26 and the spring 32 can be located entirely within the distal half of the catheter 16.
- the spring (or the entire wire 26) can be replaced by a hypo- tube (as shown in FIG. 16) that functions in a manner similar to the spring.
- the flattened portion 30 can be attached to a hypo-tube 33 as the second wire 28 passes through the tube and is joined to the flattened wire end 30.
- a short segment of the flexible (e.g., polymer) tubing 37 can be attached to the distal end of the hypotube 33 to cover the distal blade 30 and exposed portion of the second wire 28 to ensure that both bend in the same direction.
- the working element 34 can include any of a number of devices known in the art for performing catheter based procedures.
- the working element 34 is a spherical electrode.
- Other examples include a radiopaque marker band or a soft tip (atraumatic).
- Three optional ECG rings 36, 38 and 40 can be disposed on the outer surface of the catheter 16 in a spaced-apart relationship.
- the working element can be light diffusing element for phototherapy as described in U.S. Patent 5,908,415 herein incorporated by reference.
- FIG. 7 shows features of the handle portion 11 in a cross-sectional view.
- the second knob 22 includes a first portion 46 that is received and rotatable within the cap 44.
- a second portion 48 of the second knob 22 is exposed and textured so as to be readily grasped or pushed by a surgeon to rotate the second knob with respect to the handle portion as a whole.
- a steering assembly 50 includes a bolt 52 that is secured to a lug 54 by a nut 56.
- One or more posts 58 and 58' are disposed within sockets 60 and 60' on the lug 54 and extend outwardly therefrom.
- the one or more posts 58 and 58' engage a spiral groove or thread 62 defined by an inner surface of the first knob 22.
- Also receivable within the first knob 22 is a distal portion 64 of a handle unit 66.
- the distal portion 64 includes one or more slots 68 and 68' through which posts 58 and 58' project, as is most clearly seen in FIG. 8.
- Axial movement limits for the steering assembly 50 are established by the length of the one or more slots 68 and 68'.
- An anchor 70 is disposed within a distal portion 72 of the handle unit 66 and is rotatable therein.
- the second knob 24 is disposed around the distal portion of the handle unit and is secured to the handle unit 66 and the anchor 70 with a pin 74 that passes through a slot 76 in the handle unit 66.
- the rotational limit of the second knob 24 and the anchor 70 is established by the length of the slot 76.
- a set screw 78 is provided to inhibit rotation of the second knob 24 with respect to the handle unit 66.
- An end plug 80 seals the handle unit and provides a passage into the handle unit 66 for wiring 82 that is in communication with a plug or connector 84, as is known in the art.
- the proximal end of the first wire 26 passes through the end plug 42, the cap 44, and the steering assembly 50, and is fixed to the anchor 70.
- the first wire 26 is not axially translatable.
- the anchor is rotatable, the first wire 26 can be rotated to select a deflection plane when the second knob 24 is rotated.
- the proximal end of the second wire 28 passes through the end plug 42 and the cap 44. But instead of being fixed with respect to the handle unit 66, the second wire 28 is secured to the steering assembly 50 and is thus axially translatable when the first knob 22 is rotated.
- FIG. 9 illustrates a proximal portion of a flexible catheter 86 having a first lumen 88 and a second lumen 90, as well as a first wire 26, a second wire 28, and a working element 92, such as a radiant energy source.
- the first and second wires 26 and 28 can be slid in and out of the first lumen 88; and the working element 92 can be slid in and out of the second lumen 90.
- FIG. 10 illustrates a closed- tip catheter 94 having a lumen 96 within which are slidably disposed first and second wires 26, 28. Also shown is a lumen or passage 98 with a patient's body that has an opening 100. As illustrated, the catheter 94 has been deflected with the wires 26 and 28, as described above, to align a distal tip 102 with the opening 100. The distal tip 102 can now be advanced, as shown by the dashed lines, in a linear manner toward and into the opening 100. The distal tip 102 is similarly retracted.
- FIG. 11 and 12 illustrate yet another feature of the catheter system that is advantageous for positioning, wherein the catheter is provided with a permanent or temporary deformation that is not related to the deflection which has been described herein.
- FIG. 11 shows a catheter having an element 104 that imparts a selected bend to the catheter in its non-deflected state.
- FIG. 12 illustrates the catheter in a deflected state.
- FIG. 13 depicts yet another configuration for the invention that benefits from slidable elements. More particularly, a sectional view of a distal catheter tip is shown wherein the distal tip defines an opening 106. Also shown are a slidable working element 108 and wires 26, 28. FIG. 14 also shows an open-tip configuration, wherein a portion 110 of the tip that defines an opening 112 is tapered. Alternatively, a taper can be achieved by a step-up in the internal lumen size. The taper creates an asymmetric opening 112 useful for introducing and retracting other instruments through opening 106.
- a catheter includes a light source 114 as a working element and substantially transparent material 116 that permits light to pass from the light source 114 to a point exterior to the catheter. Also shown is a flattened blade 30 that is polished and/or coated to make it reflective. Such reflectivity can be achieved by coating the surface of the blade 30 with a reflective metallic coating material, such as gold, or a suitable dielectric coating or by polishing the blade material itself (e.g., polished stainless steel).
- a reflective metallic coating material such as gold, or a suitable dielectric coating
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
L'invention concerne un système de cathéter comprenant un corps allongé (16) possédant une extrémité proximale (12) et une extrémité distale (14), un premier fil (26) contenu dans le corps allongé, et un second fil (28) contenu dans le corps allongé et mis en prise avec le premier. Le fait de pousser le second fil vers l'extrémité distale du corps allongé entraîne le fléchissement du corps allongé.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001245528A AU2001245528A1 (en) | 2000-03-10 | 2001-03-08 | Steerable catheter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52295700A | 2000-03-10 | 2000-03-10 | |
US09/522,957 | 2000-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001068178A1 true WO2001068178A1 (fr) | 2001-09-20 |
Family
ID=24083068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/007441 WO2001068178A1 (fr) | 2000-03-10 | 2001-03-08 | Catheter orientable |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2001245528A1 (fr) |
WO (1) | WO2001068178A1 (fr) |
Cited By (50)
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WO2008069772A1 (fr) | 2006-12-07 | 2008-06-12 | Cordis Corporation | Système de cathéter orientable |
WO2010009720A1 (fr) * | 2008-07-23 | 2010-01-28 | Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Service Gesellschaft Mbh | Endoscope commandable |
US7670351B2 (en) | 2006-05-20 | 2010-03-02 | Darrell Hartwick | Medical device using beam construction and methods |
US7771388B2 (en) | 2005-10-12 | 2010-08-10 | Daniel Olsen | Steerable catheter system |
WO2012019232A1 (fr) * | 2010-08-13 | 2012-02-16 | Cathrx Ltd | Ensemble cathéter ayant une capacité de réglage de taille de déflexion |
WO2014166968A1 (fr) * | 2013-04-08 | 2014-10-16 | Cardio3 Biosciences S.A. | Mécanisme de commande de direction pour cathéter |
US8961398B2 (en) | 2004-04-21 | 2015-02-24 | Acclarent, Inc. | Methods and apparatus for treating disorders of the ear, nose and throat |
US9220879B2 (en) | 2004-04-21 | 2015-12-29 | Acclarent, Inc. | Devices, systems and methods useable for treating sinusitis |
US9333031B2 (en) | 2013-04-08 | 2016-05-10 | Apama Medical, Inc. | Visualization inside an expandable medical device |
US9572480B2 (en) | 2006-09-15 | 2017-02-21 | Acclarent, Inc. | Methods and devices for facilitating visualization in a surgical environment |
US9610006B2 (en) | 2008-11-11 | 2017-04-04 | Shifamed Holdings, Llc | Minimally invasive visualization systems |
US9610428B2 (en) | 2004-04-21 | 2017-04-04 | Acclarent, Inc. | Devices, systems and methods useable for treating frontal sinusitis |
US9649477B2 (en) | 2004-04-21 | 2017-05-16 | Acclarent, Inc. | Frontal sinus spacer |
US9655677B2 (en) | 2010-05-12 | 2017-05-23 | Shifamed Holdings, Llc | Ablation catheters including a balloon and electrodes |
US9700326B2 (en) | 2004-04-21 | 2017-07-11 | Acclarent, Inc. | Shapeable guide catheters and related methods |
US9750401B2 (en) | 2008-07-30 | 2017-09-05 | Acclarent, Inc. | Paranasal ostium finder devices and methods |
US9795442B2 (en) | 2008-11-11 | 2017-10-24 | Shifamed Holdings, Llc | Ablation catheters |
US9820688B2 (en) | 2006-09-15 | 2017-11-21 | Acclarent, Inc. | Sinus illumination lightwire device |
US9826999B2 (en) | 2004-04-21 | 2017-11-28 | Acclarent, Inc. | Methods and apparatus for treating disorders of the ear nose and throat |
US10098652B2 (en) | 2004-04-21 | 2018-10-16 | Acclarent, Inc. | Systems and methods for transnasal dilation of passageways in the ear, nose or throat |
US10098694B2 (en) | 2013-04-08 | 2018-10-16 | Apama Medical, Inc. | Tissue ablation and monitoring thereof |
US10124154B2 (en) | 2005-06-10 | 2018-11-13 | Acclarent, Inc. | Catheters with non-removable guide members useable for treatment of sinusitis |
US10137285B2 (en) | 2015-04-22 | 2018-11-27 | Acclarent, Inc. | Balloon dilation system with malleable internal guide |
US10188413B1 (en) | 2004-04-21 | 2019-01-29 | Acclarent, Inc. | Deflectable guide catheters and related methods |
US10238845B2 (en) | 2014-09-19 | 2019-03-26 | Acclarent, Inc. | Balloon catheter assembly |
US10349824B2 (en) | 2013-04-08 | 2019-07-16 | Apama Medical, Inc. | Tissue mapping and visualization systems |
US10492810B2 (en) | 2004-04-21 | 2019-12-03 | Acclarent, Inc. | Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat |
US10631756B2 (en) | 2004-04-21 | 2020-04-28 | Acclarent, Inc. | Guidewires for performing image guided procedures |
US10736693B2 (en) | 2015-11-16 | 2020-08-11 | Apama Medical, Inc. | Energy delivery devices |
US10856727B2 (en) | 2004-04-21 | 2020-12-08 | Acclarent, Inc. | Endoscopic methods and devices for transnasal procedures |
US10874838B2 (en) | 2004-04-21 | 2020-12-29 | Acclarent, Inc. | Systems and methods for transnasal dilation of passageways in the ear, nose or throat |
US11065061B2 (en) | 2004-04-21 | 2021-07-20 | Acclarent, Inc. | Systems and methods for performing image guided procedures within the ear, nose, throat and paranasal sinuses |
US11529502B2 (en) | 2004-04-21 | 2022-12-20 | Acclarent, Inc. | Apparatus and methods for dilating and modifying ostia of paranasal sinuses and other intranasal or paranasal structures |
US11617861B2 (en) | 2014-06-17 | 2023-04-04 | St. Jude Medical, Cardiology Division, Inc. | Triple coil catheter support |
US11622806B2 (en) | 2010-04-09 | 2023-04-11 | St Jude Medical International Holding S.À R.L. | Control handle for a contact force ablation catheter |
US11642064B2 (en) | 2015-10-21 | 2023-05-09 | St. Jude Medical, Cardiology Division, Inc. | High density electrode mapping catheter |
US11642063B2 (en) | 2018-08-23 | 2023-05-09 | St. Jude Medical, Cardiology Division, Inc. | Curved high density electrode mapping catheter |
US11647935B2 (en) | 2017-07-24 | 2023-05-16 | St. Jude Medical, Cardiology Division, Inc. | Masked ring electrodes |
US11672947B2 (en) | 2017-11-28 | 2023-06-13 | St. Jude Medical, Cardiology Division, Inc. | Lumen management catheter |
US11696716B2 (en) | 2008-12-29 | 2023-07-11 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Non-contact electrode basket catheters with irrigation |
US11707229B2 (en) | 2015-05-08 | 2023-07-25 | St Jude Medical International Holding S.À R.L. | Integrated sensors for medical devices and method of making integrated sensors for medical devices |
US11786705B2 (en) | 2016-10-24 | 2023-10-17 | St. Jude Medical, Cardiology Division, Inc. | Catheter insertion devices |
US11826172B2 (en) | 2014-05-06 | 2023-11-28 | St. Jude Medical, Cardiology Division, Inc. | Electrode support structure assembly |
US11839424B2 (en) | 2010-05-05 | 2023-12-12 | St. Jude Medical, Atrial Fibrillation Division, Inc | Monitoring, managing and/or protecting system and method for non-targeted tissue |
US11844910B2 (en) | 2014-06-05 | 2023-12-19 | St. Jude Medical, Cardiology Division, Inc. | Deflectable catheter shaft section |
US11896284B2 (en) | 2007-12-28 | 2024-02-13 | St. Jude Medical, Atrial Fibrillation Division, Inc | System and method for measurement of an impedance using a catheter such as an ablation catheter |
US11918762B2 (en) | 2018-10-03 | 2024-03-05 | St. Jude Medical, Cardiology Division, Inc. | Reduced actuation force electrophysiology catheter handle |
US12011549B2 (en) | 2017-01-19 | 2024-06-18 | St. Jude Medical, Cardiology Division, Inc. | Sheath visualization |
US12036027B2 (en) | 2016-10-28 | 2024-07-16 | St. Jude Medical, Cardiology Division, Inc. | Flexible high-density mapping catheter |
US12048545B2 (en) | 2020-12-11 | 2024-07-30 | St. Jude Medical, Cardiology Division, Inc. | Apparatus and method for connecting elements in medical devices |
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EP0238106A1 (fr) * | 1986-02-11 | 1987-09-23 | Louis Johannes Karel Jozef Reytenbagh | Cathéter pourvu de moyens de positionnement |
US5383852A (en) * | 1992-12-04 | 1995-01-24 | C. R. Bard, Inc. | Catheter with independent proximal and distal control |
US5730704A (en) * | 1992-02-24 | 1998-03-24 | Avitall; Boaz | Loop electrode array mapping and ablation catheter for cardiac chambers |
US5758656A (en) * | 1995-09-11 | 1998-06-02 | Schroeder; Michael | Stylet for controlled deformation of a tube |
-
2001
- 2001-03-08 AU AU2001245528A patent/AU2001245528A1/en not_active Abandoned
- 2001-03-08 WO PCT/US2001/007441 patent/WO2001068178A1/fr active Application Filing
Patent Citations (4)
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EP0238106A1 (fr) * | 1986-02-11 | 1987-09-23 | Louis Johannes Karel Jozef Reytenbagh | Cathéter pourvu de moyens de positionnement |
US5730704A (en) * | 1992-02-24 | 1998-03-24 | Avitall; Boaz | Loop electrode array mapping and ablation catheter for cardiac chambers |
US5383852A (en) * | 1992-12-04 | 1995-01-24 | C. R. Bard, Inc. | Catheter with independent proximal and distal control |
US5758656A (en) * | 1995-09-11 | 1998-06-02 | Schroeder; Michael | Stylet for controlled deformation of a tube |
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