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695 results about "Catheter insertion" patented technology
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Implantable prosthetic valve
InactiveUS20060025857A1Minimize contactFirmly attachedHeart valvesTubular organ implantsEngineeringCatheter
Owner:MEDTRONIC 3F THERAPEUTICS
Low profile heart valve and delivery system
Apparatus for endovascularly replacing a patient's heart valve, including: a delivery catheter having a diameter of 21 french or less; an expandable anchor disposed within the delivery catheter; and a replacement valve disposed within the delivery catheter. The invention also includes a method for endovascularly replacing a heart valve of a patient. In some embodiments the method includes the steps of: inserting a catheter having a diameter no more than 21 french into the patient; endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve through the catheter; and deploying the anchor and the replacement valve.
Owner:BOSTON SCI SCIMED INC
Low profile heart valve and delivery system
Owner:BOSTON SCI SCIMED INC
System and method of recording and displaying in context of an image a location of at least one point-of-interest in a body during an intra-body medical procedure
The present invention provides a method of recording and displaying in context of an image a location of at least one point-of-interest in a body during an intra-body medical procedure. The method is effected by (a) establishing a location of the body; (b) inserting at least one catheter into a portion of the body, the at least one catheter including a first location implement; (c) using an imaging instrument for imaging the portion of the body; (d) establishing a location of the imaging instrument; (e) advancing the at least one catheter to at least one point-of-interest in the portion of the body and via a locating implement recording a location of the at least one point-of-interest; and (f) displaying and highlighting the at least one point-of-interest in context of an image of the portion of the body, the image being generated by the imaging instrument; such that, in course of the procedure, the locations of the body, the at least one catheter and the imaging instrument are known, thereby the at least one point-of-interest is projectable and displayable in context of the image even in cases whereby a relative location of the body and the imaging instrument are changed.
Owner:TYCO HEALTHCARE GRP LP
Implantable prosthetic valve with non-laminar flow
InactiveUS20050075725A1Prevent backflowEasy to trackStentsBalloon catheterCounter flowInsertion stent
A valve prosthesis device is disclosed suitable for implantation in body ducts. The device comprises a support stent, comprised of a deployable construction adapted to be initially crimped in a narrow configuration suitable for catheterization through the body duct to a target location and adapted to be deployed by exerting substantially radial forces from within by means of a deployment device to a deployed state in the target location, and a valve assembly comprising a flexible conduit having an inlet end and an outlet, made of pliant material attached to the support beams providing collapsible slack portions of the conduit at the outlet. The support stent is provided with a plurality of longitudinally rigid support beams of fixed length. When flow is allowed to pass through the valve prosthesis device from the inlet to the outlet, the valve assembly is kept in an open position, whereas a reverse flow is prevented as the collapsible slack portions of the valve assembly collapse inwardly providing blockage to the reverse flow. The device is configured so that retrograde flow will be altered from laminar flow and directed towards the leaflets to effect closing.
Owner:EDWARDS LIFESCIENCES CORP
Valved Conduit Designed for Subsequent Catheter Delivered Valve Therapy
A system for treating a vascular condition includes a conduit having an inner wall and at least one locking member positioned within the inner wall of the conduit. The system also includes a stented valve positioned in contact with the locking member within the inner wall of the conduit. A method for treating a vascular condition includes inserting a conduit with a stented valve into a target region of a vessel, positioning a contact portion of the stented valve against a locking portion of the conduit and preventing migration of the stented valve within the conduit based on the positioning.
Owner:MEDTRONIC VASCULAR INC
Apparatus and method for minimally invasive surgery
A single body port or body flange access device and method for performing laparoscopic surgery are disclosed. The device comprises a plurality of crisscrossing conduits through which surgical instruments may be inserted. The instruments are manipulated so that triangulation is obtained using one patient body flange while standard surgical procedures are performed on the patient.
Owner:AXCESS INSTR IP HLDG CO
Device and method for the location and catheterization of the surroundings of a nerve
InactiveUS6298256B1Accurate locationEasy to useElectrotherapySurgical needlesHuman bodyVoltage source
A device for the location and catheterization of the surrounding area of a nerve of a human or animal body, including a catheter and an electrically conducting puncture needle with proximal and distal ends, which puncture needle forms a continuous lumen with its proximal and distal end open and having an inside diameter which at least corresponds to the outside diameter of the catheter and which, in the region of its proximal end, is equipped with an electrical connecting part for the connection of the puncture needle to an electrical voltage source. At the proximal end, a connecting element with a through-hole communicating with the lumen is provided, onto which an injection tube for the introduction of a liquid through the through-hole into the lumen of the puncture needle is connected, and through the through-hole of which the catheter can be pushed forward into the lumen of the puncture needle all the way to the distal end thereof. Also disclosed is a method for the location and catheterization of the surrounding area of a nerve using such a device.
Owner:MEYER FRANK EGBERT
Implantable prosthetic valve
A valve prosthesis device is disclosed suitable for implantation in body ducts. The device comprises support stent, comprised of a deployable construction adapted to be initially crimped in a narrow configuration suitable for catheterization through the body duct to a target location and adapted to be deployed by exerting substantially radial forces from within by means of a deployment device to a deployed state in the target location, the support stent provided with a plurality of longitudinally rigid support beams of fixed length; valve assembly comprising a flexible conduit having an inlet end and an outlet, made of pliant material attached to the support beams providing collapsible slack portions of the conduit at the outlet. When flow is allowed to pass through the valve prosthesis device from the inlet to the outlet the valve assembly is kept in an open position, whereas a reverse flow is prevented as the collapsible slack portions of the valve assembly collapse inwardly providing blockage to the reverse flow.
Owner:EDWARDS LIFESCI PVT
Apparatus and method for inserting an intra-aorta catheter through a delivery sheath
An introducer system delivers therapy locally to a renal system in a patient. A proximal coupler assembly is coupled to an introducer sheath that delivers multiple devices simultaneously into a location within an abdominal aorta associated with first and second renal artery ostia. The coupler assembly has a network of branch lumens arranged to allow for smooth slideable engagement of multiple coupled devices without substantial interference therebetween. A first branch lumen typically introduces a percutaneous translumenal interventional device such as an angiography or guiding catheter into the introducer sheath and is substantially aligned with a longitudinal axis of the sheath. One or more other branch lumen are off-axis from the longitudinal axis by about 30 degrees or less and introduce components of a bilateral renal delivery assembly into the introducer sheath in conjunction with the other device. Novel insertion devices are provided to coordinate the coupling of the multiple devices.
Owner:ANGIODYNAMICS INC
Valved conduit designed for subsequent catheter delivered valve therapy
Owner:MEDTRONIC VASCULAR INC
Implantable Valve Prosthesis
ActiveUS20070270944A1Rigid enoughFirmly attachedHeart valvesTubular organ implantsEngineeringVALVE PORT
Owner:MEDTRONIC 3F THERAPEUTICS
Method and apparatus for ultrasound guided intravenous cannulation
InactiveUS6132379AEasy to operateQuick buildBlood flow measurement devicesOrgan movement/changes detectionVenous accessDual mode
A dual mode handheld ultrasonic device is provided for guiding a venous access catheter into a patient's peripheral vein. It provides B-mode imaging with a predetermined aperture and operating frequency which locates and displays a gray scale cross-sectional image of the target blood vessel. A single doppler beam in a separate mode detects the same blood vessel and creates a single scanline image superimposed to such B-mode cross-sectional image. Simultaneously, the intensity of the positive doppler shift detected by the single doppler beam as it hits the target blood vessel activates a plurality of light emitting diode (LED) indicator lights with varying voltage requirements mounted in the scanhead. Activated LED indicator lights forms an arrow pointing inferiorly perpendicular to the target vessel which guides a physician or a paramedical professional to the precise catheter insertion spot on a patient's extremity while simultaneously viewing the target blood vessel's cross-section on the display screen.
Owner:PATACSIL ESTELITO G +1
Method and apparatus for treatment of intracranial hemorrhages
An ultrasound catheter with fluid delivery lumens, fluid evacuation lumens and a light source is used for the treatment of intracerebral hemorrhages. After the catheter is inserted into a blood clot in the brain, a lytic drug can be delivered to the blood clot via the fluid delivery lumens while applying ultrasonic energy to the treatment site. As the blood clot is dissolved, the liquefied blood clot can be removed by evacuation through the fluid evacuation lumens.
Owner:EKOS CORP
Apparatus and method for inserting an intra-aorta catheter through a delivery sheath
An introducer system delivers therapy locally to a renal system in a patient. A proximal coupler assembly is coupled to an introducer sheath that delivers multiple devices simultaneously into a location within an abdominal aorta associated with first and second renal artery ostia. The coupler assembly has a network of branch lumens arranged to allow for smooth slideable engagement of multiple coupled devices without substantial interference therebetween. A first branch lumen typically introduces a percutaneous translumenal interventional device such as an angiography or guiding catheter into the introducer sheath and is substantially aligned with a longitudinal axis of the sheath. One or more other branch lumen are off-axis from the longitudinal axis by about 30 degrees or less and introduce components of a bilateral renal delivery assembly into the introducer sheath in conjunction with the other device. Novel insertion devices are provided to coordinate the coupling of the multiple devices.
Owner:ANGIODYNAMICS INC
Method for Ablating Body Tissue
A cardiac ablation method including the following steps: inserting a treatment catheter into an atrium of a heart, the treatment catheter including an ultrasound emitter; positioning the ultrasound emitter to face heart tissue within the left atrium outside of a pulmonary vein; emitting ultrasound energy from the ultrasound emitter while rotating the ultrasound emitter about a rotation axis; and ablating heart tissue with the ultrasound energy to form a lesion outside of a pulmonary vein.
Owner:AURIS HEALTH INC
Side looking minimally invasive surgery instrument assembly
A surgical instrument is inserted through a guide tube. The surgical instrument exits at an intermediate position of the guide tube and is oriented to be substantially parallel to the guide tube's longitudinal axis as it exits. A stereoscopic image capture component is on the guide tube between the intermediate position and the guide tubers distal end. The image capture component's field of view is generally perpendicular to the guide tube's longitudinal axis. The guide tube is jointed to allow the image capture component to be moved. The surgical instruments and the guide tube are telemanipulatively controlled.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Medical system for inserting a catheter into a vessel
ActiveUS20060287595A1Improve assessmentMinimal stressUltrasonic/sonic/infrasonic diagnosticsStentsUltrasound angiographyThree vessels
The invention relates to a medical system for introducing a catheter into a vessel, preferably a blood vessel of a patient, having at least a computer and control unit, a means for creating a transparent general view of the position of the vessel, a catheter with a reversible inflatable balloon located in the front area, to the outside of which a stent can be fitted for implanting into the vessel, a position locating system for the catheter with position and location sensors that can determine the position and location of the front area of the catheter in the space, the system being fitted in the front area with at least one OCT (optical coherence tomography) sensor at a catheter end for the close-up area, with at least one IVUS (intravascular ultrasound) imaging sensor at a catheter end for the remote area and the computer and control unit having image processing and image display functions for the image sensors.
Owner:SIEMENS HEALTHCARE GMBH
Remotely controlled catheter insertion system
A system for remotely controlling the positioning within the body of a patient of an elongated medical device optionally having a control handle, comprises a robotic system and a remote controller configured to control the robotic device. The robotic system comprises a handle controller; a sled member coupled to the handle controller, the sled member being configured to position the medical device within the body of the patient; and a sled base configured to advance the sled member towards the body of a patient, the sled bed being coupled to a sterile barrier effective to maintain sterility inside the sled base. A medical device introducer is effective to guide the elongated medical device into a patient's body.
Owner:CATHETER PRECISION INC
Remotely controlled catheter insertion system
A remotely controlled insertion system for a medical device is described. The system comprises a robotic device and a remote control mechanism. The robotic device has a handle controller to receive and hold the control handle or proximal end of a medical device. The medical device is capable of moving in up to six ranges of motion. In ione embodiment a first motor is connected through a drive screw to a handle controller to move the medical device forward and backward. A second motor is connected to drive wheels effective to rotate the medical device clockwise and counter-clockwise. A third motor drives a series of gears that are connected to one or more control members on the medical device, this being effective to deflect a tip of the medical device so that movement of the third motor causes such deflection. A control unit is connected to all three motors.
Owner:CATHETER PRECISION INC
Catheter apparatus and methodology for generating a fistula on-demand between closely associated blood vessels at a pre-chosen anatomic site in-vivo
The present invention provides catheter apparatus and catheterization methodology for generating an arteriovenous fistula or a veno-venous fistula on-demand between closely associated blood vessels and at a chosen anatomic site in-vivo. The catheter apparatus is preferably employed in pairs, each catheter of the pair being suitable for percutaneous introduction into and extension through a blood vessel. The catheterization methodology employs the catheter apparatus preferably in conjunction with conventional radiological techniques in order to place, verify, and confirm a proper alignment, orientation, and positioning for the catheters in-vivo prior to activating the perforation means for generating a fistula. The invention permits the generation of arteriovenous fistulae and veno-venous fistulae anatomically anywhere in the vascular system of a patient; nevertheless, the invention is most desirably employed in the peripheral vascular system as exists in the extremities of the body to aid in the treatment of the patient under a variety of different medical ailments and pathologies.
Owner:MEDTRONIC VASCULAR INC
Pressure/vacuum actuated catheter forceps
ActiveUS9241692B2Precise positioningAccurate operationSurgical needlesVaccination/ovulation diagnosticsForcepsTissue sample
A method for extracting a tissue sample is provided, including the steps of inserting a catheter into a bodily cavity, the catheter having a sampling chamber, a movable cover, and an actuation mechanism for actuating the cover, positioning the sampling chamber next to tissue to be sampled, providing a fluid to the actuation mechanism to open the cover, supplying a vacuum to draw tissue sample into the sampling chamber and to close the cover, and withdrawing the catheter from the bodily cavity. Catheter forceps for obtaining a tissue sample are also provided, including a catheter, a sampling chamber positioned at a distal end of the catheter and having a movable cover, and an actuation mechanism for moving the movable cover to an opened position by providing a fluid to the actuation mechanism and to a closed position by providing a vacuum to the actuation mechanism.
Owner:SANOVAS
Tunneler-needle combination for tunneled catheter placement
An access system for providing subcutaneous access to a vessel, organ, or body cavity comprises a needle and a rigid or semi-rigid tunneler arranged coaxially around the needle, such that the needle moves slidably within the tunneler. Optionally a sheath may be positioned coaxial to the tunneler. The tunneler-needle system is inserted through an incision in a patient's skin to initiate a procedure whereby a catheter is inserted into the vessel, organ, or body cavity.
Owner:YALE UNIVERSITY CORP
Implantable prosthetic valve with non-laminar flow
Owner:EDWARDS LIFESCIENCES CORP
Retractable needle medical device
A catheter insertion device is provided that includes an insertion needle that is retractable into the device after use to prevent exposure to the contaminated needle. The needle retainer releasably retains the needle in an extended position against the bias of the biasing element. When the catheter is removed from the insertion device, the needle retainer automatically releases the needle, which is propelled rearwardly into the device. A device for inserting a guide wire into a patient is also provided. The device includes an insertion needle that is retractable into the housing of the device after use. A needle retainer releasably retains the needle in an extended position against the bias of the biasing element. After the guide wire is inserted into the patient, the needle retainer allows the needle to be released, so that the needle is retracted into the device.
Owner:MDC INVESTMENT HLDG
Non-Thermal Ablation System for Treating BPH and Other Growths
Systems and methods for non-thermal ablation of tissue are provided. A non-implantable minimally invasive system for treatment of tissue in a body via direct current ablation is provided including a catheter, a plurality of electrodes for deployment through the catheter, a power source for applying power to the electrodes, and a fixation element for maintaining the catheter in a treatment position during treatment of the tissue. A minimally invasive method for treating tissue in a body via direct current ablation is provided including inserting a catheter into the body such that a portion of the catheter remains outside of the body, deploying a fixation element to fix the catheter in a treatment position, deploying a plurality of electrodes through the catheter, applying power to the plurality of electrodes, using the electrodes to apply a current to the tissue, and removing the catheter from the body.
Owner:PROSTACARE
Side looking minimally invasive surgery instrument assembly
Two surgical instruments are inserted through a guide tube. The surgical instruments exit at an intermediate position of the guide tube and are oriented to be substantially parallel to the guide tube's longitudinal axis as they exit. A stereoscopic image capture component is on the guide tube between the intermediate position and the guide tube's distal end. The image capture component's field of view is generally perpendicular to the guide tube's longitudinal axis. The surgical instruments and the guide tube are telemanipulatively controlled.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Intravesical drug delivery device and method
ActiveUS20070202151A1Easy to keepMedical devicesPharmaceutical delivery mechanismImplanted deviceBody cavity
Implant devices for intravesical administration and local drug delivery. The device has a body which includes a hollow tube formed of a biocompatible material; at least one reservoir in the tube which contains a drug; and one or more apertures through which the drug can be released. The device is configured for minimally invasive insertion into a body cavity, such as the bladder. The hollow tube may be elastomeric to permit the device to be elastically deformed from its initial shape into an elongated shape for passage through a catheter, where following such passage the device can return to or toward its initial shape to facilitate retention of the device in the body cavity. The body may have a narrow, elongated shape effective to permit insertion of the drug delivery device through a catheter without necessarily deforming the body, yet include flexible projections which effect retention within the body cavity.
Owner:MASSACHUSETTS INST OF TECH +1
Adjustable medication infusion injection apparatus
An adjustable infusion injection apparatus which is designed to be used in conjunction with a surgically implanted infusate injection port. The apparatus utilizes a catheter assembly and an introducer needle assembly. The catheter assembly is to be installed on the skin of the patient in alignment with the port and the introducer needle is to be inserted in conjunction with the catheter assembly to insert a catheter within an internal chamber of the port and then the introducer needle is then removed with the catheter to then be used to inject medication from an inlet tube. During installation a movable portion of said catheter assembly can be moved to abuttingly be in contact with the skin of the patient.
Owner:ORBIS MEDICAL
Shielded tip catheter
ActiveUS6991625B1Minimize the possibilityEasy accessMulti-lumen catheterIntravenous devicesGuide wiresBlood vessel
A multilumen catheter assembly is disclosed. The assembly includes an elongated body having a proximal end and a distal end and a first lumen having a sidewall extending between the proximal end and the distal end, a first distal opening disposed at the distal end, and a first guide wire opening disposed proximally of the distal end and co-planar with the sidewall. The assembly also includes a second lumen connected to the sidewall and extending from the proximal end toward the distal end, proximally of the distal end. The second lumen includes a second opening extending obliquely away from the sidewall distally toward the first distal opening and a second guide wire opening disposed proximally of the second opening and in a plane generally parallel to the sidewall. A method of inserting the catheter into a vessel is also disclosed.
Owner:MEDICAL COMPONENTS INC
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