NONCIRCULAR INNER LUMEN GUIDING CATHETER WITH ASSISTED VARIABLE SUPPORT

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal.

NONCIRCULAR INNER LUMEN GUIDING CATHETER WITH ASSISTED VARIABLE SUPPORT

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal. 50 60 62a 60 62b FIG, 1 62b FIG, 2 52 6058a FIG. 3 62b 54 58b ...

GUIDEWIRE WITH HIGHLY FLEXIBLE TIP

A medical device formed of a coil with repeating loops, each loop forming a polygon and each successive loop being slightly rotated with respect to its adjacent loops to form a spiral configuration. The polygon in a preferred embodiment is a triangle, and the repeating triangular loop coil can be used as a guidewire in a stent delivering catheter. The guidewire can further include a stiff core wire that is disposed within the triangular loop coil, where the stiff core wire includes tapered sections that reduce the stiffness in the distal direction. The coil can include multiple sections of different loop shapes, including circular, to alter the stiffness of the guidewire to meet the needs of the application.

ENDOVASCULAR DETACHMENT SYSTEM WITH FLEXIBLE DISTAL END AND HEATER ACTIVATED DETACHMENT

The present invention relates to an endovascular detachment system with a flexible distal end, capable of releasing therapeutic treatment from a distal end of a catheter; and heater activated detachment. According to the present invention, an endovascular operational device comprises: a flexible and conductive core wire; a conductive material for a return path; a resistance heating element attached to a distal end of the core wire; and a curing payload attached to a loop of the resistance heating element by a coil connection member. The core wire includes at least one segment formed in the distal end thereof to be transferred to a smaller distal cross section from a substantially uniform cross section of a proximal end thereof. The conductive body for a return path is electrically insulated from the core wire and is coupled to the core wire. The resistance heating element includes a first terminal electrically connected to the core wire, and a second terminal, a spiral coil, and a loop ...

Double helix reinforced catheter

The intravascular catheter has two segments; a proximal segment with high stiffness and a distal segment with lower stiffness. The catheter can also have an intermediate segment of lower stiffness than the proximal segment and higher stiffness than the distal segment. The catheter comprises a polymeric inner tube, a reinforcing inner jacket which is spirally wound over the inner tube and which becomes progressively softer from a proximal end to a distal end, and a polymeric outer sheath extruded over the inner jacket according to the teachings of U.S. Pat. No. 5,445,624. The reinforcing jacket comprises helical coiled wires or fibers of various materials and layers wound over the inner tube in order to provide improved multi-axial mechanical properties, such as torque, compression, tension and anti-kinking characteristics. Stainless steel, carbon, glass, platinum, platinum/tungsten or palladium wire in either oval, round or flat geometry are used together with single or dual layers to achieve ...

LOW PROFILE GUIDING CATHETER FOR NEUROVASCULAR APPLICATIONS

A low profile guiding catheter has a non-round shape for use in delivery of multiple microcatheters for treatment of neurovascular defects, such as for treatment of aneurysms. The low profile guiding catheter includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable.

Radio-controlled toy blimp with infrared beam weapons for staging a gun battle

The remote-controlled air, land or water borne toy vehicle comprises: a body; a printed circuit board mounted in or to the body; a receiver connected to the printed circuit board for receiving commands; hardware on the printed circuit board including control circuitry for manipulating the toy vehicle in response to commands received by the receiver; and a motor drive mechanism mounted on or to the toy vehicle for moving or propelling the toy vehicle in response to control signals from the control circuitry. Preferably at least one of several infrared emitting simulated weapons are mounted on the toy vehicle and are selected from the group including a machine gun, a cannon and a missile.

LOW PROFILE GUIDING CATHETER FOR NEUROVASCULAR APPLICATIONS

A low profile guiding catheter has a non-round shape for use in delivery of multiple microcatheters for treatment of neurovascular defects, such as for treatment of aneurysms. The low profile guiding catheter includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable.

GUIDEWIRE WITH HIGHLY FLEXIBLE TIP

A medical device formed of a coil with repeating loops, each loop forming a polygon and each successive loop being slightly rotated with respect to its adjacent loops to form a spiral configuration. The polygon in a preferred embodiment is a triangle, and the repeating triangular loop coil can be used as a guidewire in a stent delivering catheter. The guidewire can further include a stiff core wire that is disposed within the triangular loop coil, where the stiff core wire includes tapered sections that reduce the stiffness in the distal direction. The coil can include multiple sections of different loop shapes, including circular, to alter the stiffness of the guidewire to meet the needs of the application.

NONCIRCULAR INNER LUMEN GUIDING CATHETER WITH ASSISTED VARIABLE SUPPORT

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal.

NONCIRCULAR INNER LUMEN GUIDING CATHETER WITH ASSISTED VARIABLE SUPPORT

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal.

Low profile guiding catheter for neurovascular applications

A low profile guiding catheter has a non-round shape for use in delivery of multiple microcatheters for treatment of neurovascular defects, such as for treatment of aneurysms. The low profile guiding catheter includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable.

ENDOVASCULAR DETACHMENT SYSTEM WITH FLEXIBLE DISTAL END AND HEATER ACTIVATED DETACHMENT

An endovascular surgical tool includes a flexible, electrically-conductive corewire, a return conductor, a resistive heating element attached to the distal end of the corewire, and a therapeutic payload attached to the loop of the resistive heating element by a coil connecting member. The corewire includes at least one segment at its distal end which transitions from the substantially uniform cross-section of its proximal end to a smaller distal cross-section. The return conductor is electrically insulated from and bonded to the corewire. The resistive heating element includes a first terminal electrically connected to the corewire, a second terminal electrically connected to the return conductor, a helical coil, and a loop. The helical coil and the loop are electrically in series between the first terminal and the second terminal. The coil connecting member has a release temperature lower than a loop melting temperature of the loop of the resistive heating element.

Low profile guiding catheter for neurovascular applications

A low profile guiding catheter has a non-round shape for use in delivery of multiple microcatheters for treatment of neurovascular defects, such as for treatment of aneurysms. The low profile guiding catheter includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable.

GUIDEWIRE WITH HIGHLY FLEXIBLE TIP

A medical device formed of a coil with repeating loops, each loop forming a polygon and each successive loop being slightly rotated with respect to its adjacent loops to form a spiral configuration. The polygon in a preferred embodiment is a triangle, and the repeating triangular loop coil can be used as a guidewire in a stent delivering catheter. The guidewire can further include a stiff core wire that is disposed within the triangular loop coil, where the stiff core wire includes tapered sections that reduce the stiffness in the distal direction. The coil can include multiple sections of different loop shapes, including circular, to alter the stiffness of the guidewire to meet the needs of the application.

NONCIRCULAR INNER LUMEN GUIDING CATHETER WITH ASSISTED VARIABLE SUPPORT

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal. 5 0 6 0 6 2 06 06 2 0 62b FIG. 1 62b FIG, 2 FIG. 3 62b 54 58b ...

NON-CIRCULAR INNER LUMEN GUIDING CATHETER EQUIPPED WITH AN AUXILIARY VARIABLE SUPPORT CAPABLE OF PREVENTING THE CATHETER FROM COLLAPSING

PURPOSE: A non-circular inner lumen guiding catheter equipped with an auxiliary variable support is provided to ensure variable linear flexibility and prevent the occurrence of twisting phenomenon. CONSTITUTION: A non-circular inner lumen guiding catheter includes a long wall structure which defines inner lumen(54) and outer lumens(62a, 62b). The long wall structure extends the length of the catheter. The cross section of the inner lumen is non-circular. The cross sections of the outer lumens are in the shape of curves which are parts of an ellipse. The rigidity of outer walls of the outer lumens is varied by the lengths of the outer walls. COPYRIGHT KIPO 2013 ...

System for managing power to an implanted device based on operating time, current drain and battery capacity

The method and system manage power supplied from a charging circuit to a power source in an implantable medical device utilizing measurements of current drain; measurements of elapsed time since the last full charge; calculations of operating time based on the variable of current drain and the variable of the actual capacity of the power source; sensing of voltage level above a certain value; and monitoring of the temperature of the power source during charging and discharging.

DOUBLE HELIX REINFORCED CATHETER

The intravascular catheter has a polymeric inner tube, a reinforcing inner jacket which is spirally wound over the inner tube and which becomes progressively softer from a proximal end to a distal end, and a polymeric outer sheath extruded over the inner jacket. The reinforcing jacket includes helical coiled wires wound over the inner tube in order to provide improved multi-axial mechanical properties. 1. An intravascular catheter , comprising:a polymeric inner tube having a distal segment and a proximal segment;a first helical coiled wire wound over a surface of said distal segment of said polymeric inner tube, said first helical coiled wire having a distal portion and a proximal portion;a second helical coiled wire wound over a surface of said proximal segment of said polymeric inner tube; anda third helical coiled wire wound over said surface of said proximal segment of said polymeric inner tube, over said proximal portion of said first helical coiled wire, and under said second helical coiled wire.2. The intravascular catheter of claim 1 , further comprising at least one radiopaque marker formed over said distal segment of said polymeric inner tube claim 1 ,3. The intravascular catheter of claim 2 , wherein said at least one radiopaque marker comprises a radiopaque polymer covering.4. The intravascular catheter of claim 1 , further comprising a polymeric outer tube shrink wrapped over said proximal and distal segments of said polymeric inner tube.5. The intravascular catheter of claim 3 , further comprising a polymeric outer tube shrink wrapped over said proximal and distal segments of said polymeric inner tube claim 3 , wherein said at least one radiopaque marker includes cut ends secured over said polymeric inner tube by said radiopaque polymer covering and said polymeric outer tube.6. The intravascular catheter of claim 1 , further comprising a polymeric outer tube extruded over said proximal and distal segments of said polymeric inner tube.7. The ...

Noncircular inner lumen guiding catheter with assisted variable support

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal.

Double helix reinforced catheter

The intravascular catheter has two segments; a proximal segment with high stiffness and a distal segment with lower stiffness. The catheter can also have an intermediate segment of lower stiffness than the proximal segment and higher stiffness than the distal segment. The catheter comprises a polymeric inner tube, a reinforcing inner jacket which is spirally wound over the inner tube and which becomes progressively softer from a proximal end to a distal end, and a polymeric outer sheath extruded over the inner jacket according to the teachings of U.S. Pat. No. 5,445,624. The reinforcing jacket comprises helical coiled wires or fibers of various materials and layers wound over the inner tube in order to provide improved multi-axial mechanical properties, such as torque, compression, tension and anti-kinking characteristics. Stainless steel, carbon, glass, platinum, platinum/tungsten or palladium wire in either oval, round or flat geometry are used together with single or dual layers to achieve ...

Noncircular inner lumen guiding catheter with assisted variable support

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal.

Guidewire with highly flexible tip

A medical device formed of a coil with repeating loops, each loop forming a polygon and each successive loop being slightly rotated with respect to its adjacent loops to form a spiral configuration. The polygon in a preferred embodiment is a triangle, and the repeating triangular loop coil can be used as a guidewire in a stent delivering catheter. The guidewire can further include a stiff core wire that is disposed within the triangular loop coil, where the stiff core wire includes tapered sections that reduce the stiffness in the distal direction. The coil can include multiple sections of different loop shapes, including circular, to alter the stiffness of the guidewire to meet the needs of the application.

LOW PROFILE GUIDING CATHETER FOR NEUROVASCULAR APPLICATIONS

A low profile guiding catheter has a non-round shape for use in delivery of multiple microcatheters for treatment of neurovascular defects, such as for treatment of aneurysms. The low profile guiding catheter includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. 1. A low profile guiding catheter for neurovascular applications comprising:elongated wall structure extending along a length of the catheter defining at least one lumen having a low profile, non-circular cross-sectional shape that flexes easily along at least a portion of the length of the catheter; andguidance walls along at least a portion of the elongated wall structure which are linearly flexible, circumferentially relatively inflexible, and resistant to collapse and kinks.2. The low profile guiding catheter of claim 1 , wherein the non-circular cross-sectional shape is an oval.3. The low profile guiding catheter of claim 1 , wherein the elongated wall structure is further comprised of braided material in said wall.4. The low profile guiding catheter of claim 1 , wherein the elongated wall structure is further comprised of coils in said wall.5. The low profile guiding catheter of claim 4 , wherein said coils comprise elongate coils claim 4 , the axis of which is parallel to the longitudinal axis of said wall structure.6. The low profile guiding catheter of claim 1 , wherein a portion of the elongated wall structure defining an innermost lumen has a lubricious inner surface to optimize a wire exchange process in distal sections of arteries.7. The low profile guiding catheter of claim 6 , wherein the elongated wall structure defines one lumen.8. The low profile guiding catheter of claim 6 , wherein the lubricious inner surface is provided by a coating on the elongated wall structure.9. The low profile guiding catheter of claim 8 , wherein the lubricious inner surface is provided by polytetrafluoroethylene.10. The low ...

Implantable power management system

The method and system for managing power supplied from a charging circuit to a power source in an implantable medical device comprises the steps of and circuitry for: measuring the current drain of the medical device; measuring the elapsed time since the last full charge of a power source of the device; calculating the actual capacity of the power source (corrected for fade) based on the variable of current drain and the variable of elapsed time; calculating the operating time based on the variable of current drain and the variable of the actual capacity of the power source; measuring the voltage of the power source; signaling the medical device when the power source voltage has reached a certain low value which requires disconnection from the power source; disconnecting, during discharging, the power source from the medical device upon the power source reaching a certain low voltage in order to prevent deep discharging of the power source and subsequent damage; precisely limiting the charging ...

CLOT RETRIEVER CLEANING FOR REINSERTION

A clot retrieval cleaning instrument can have bristles, fluid sprays, or other techniques to liberate captured clot material from a clot retrieval device so that it can be reinserted into a patient's vasculature for successive capture attempts. The cleaning instrument can be conveniently integrated or connected to a hemostasis valve assembly so that the cleaning function can be performed without completely removing the clot retrieval device from the delivery system. Aspiration can be applied to remove the freed thrombus material. The cleaning instrument can be removable from the delivery system to facilitate the instrument's washing or disposal.

DOUBLE HELIX REINFORCED CATHETER

The intravascular catheter has two segments; a proximal segment with high stiffness and a distal segment with lower stiffness. The catheter can also have an intermediate segment of lower stiffness than the proximal segment and higher stiffness than the distal segment. The catheter comprises a polymeric inner tube, a reinforcing inner jacket which is spirally wound over the inner tube and which becomes progressively softer from a proximal end to a distal end, and a polymeric outer sheath extruded over the inner jacket according to the teachings of U.S. Pat. No. 5,445,624. The reinforcing jacket comprises helical coiled wires or fibers of various materials and layers wound over the inner tube in order to provide improved multi-axial mechanical properties, such as torque, compression, tension and anti-kinking characteristics. Stainless steel, carbon, glass, platinum, platinum/tungsten or palladium wire in either oval, round or flat geometry are used together with single or dual layers to achieve ...

Double helix reinforced catheter

The intravascular catheter has two segments; a proximal segment with high stiffness and a distal segment with lower stiffness. The catheter can also have an intermediate segment of lower stiffness than the proximal segment and higher stiffness than the distal segment. The catheter comprises a polymeric inner tube, a reinforcing inner jacket which is spirally wound over the inner tube and which becomes progressively softer from a proximal end to a distal end, and a polymeric outer sheath extruded over the inner jacket according to the teachings of U.S. Pat. No. 5,445,624. The reinforcing jacket comprises helical coiled wires or fibers of various materials and layers wound over the inner tube in order to provide improved multi-axial mechanical properties, such as torque, compression, tension and anti-kinking characteristics. Stainless steel, carbon, glass, platinum, platinum/tungsten or palladium wire in either oval, round or flat geometry are used together with single or dual layers to achieve ...

NONCIRCULAR INNER LUMEN GUIDING CATHETER WITH ASSISTED VARIABLE SUPPORT

A noncircular inner lumen guiding catheter with assisted variable support has an inner wall defining a noncircular cross-sectional shaped lumen for use in delivery of multiple microcatheters or other devices for treatment of neurovascular defects, such as for treatment of aneurysms. The noncircular inner lumen guiding catheter with assisted variable support includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable. The noncircular shaped cross-section of the inner lumen may extend along the entire length of the catheter or a portion thereof, including distal or proximal.

Implantable device with heat absorption material

A system for charging a battery associated with an implantable medical device includes an inductive charging mechanism that includes a primary coil and a secondary coil. The primary coil is configured to be provided external to a human body and the secondary coil is configured to be provided within the human body proximate the primary coil. A material at least partially encapsulates the primary coil for absorbing heat generated by the primary coil.

GUIDEWIRE WITH HIGHLY FLEXIBLE TIP

A medical device formed of a coil with repeating loops, each loop forming a polygon and each successive loop being slightly rotated with respect to its adjacent loops to form a spiral configuration. The polygon in a preferred embodiment is a triangle, and the repeating triangular loop coil can be used as a guidewire in a stent delivering catheter. The guidewire can further include a stiff core wire that is disposed within the triangular loop coil, where the stiff core wire includes tapered sections that reduce the stiffness in the distal direction. The coil can include multiple sections of different loop shapes, including circular, to alter the stiffness of the guidewire to meet the needs of the application. 1. A medical device comprising a coil formed of successive polygons , each polygon rotationally displaced from its adjacent polygons to form a spiral configuration.2. The medical device of claim 1 , wherein the polygon is a triangle.3. The medical device of claim 2 , wherein the medical device is a guidewire.4. The medical device of claim 3 , wherein within the coil is a core wire extending therein through.5. The medical device of claim 4 , wherein the core wire has at least one taper section between a proximal and distal end.6. The medical device of claim 5 , wherein the core wire is stiffer at a proximal end than at a distal end.7. The medical device of claim 5 , wherein the core wire includes first and second spaced apart ribs.8. The medical device of claim 5 , wherein the coil further includes a circular loop section in addition to the triangular loops.9. The medical device of claim 8 , wherein the circular loop section is sandwiched in between two triangular loop sections.10. The medical device of claim 8 , wherein the circular loop section is spaced from the triangular loops by a gap in the coil. 1. Field of the InventionThis invention relates generally to vascular interventional medical devices, and more particularly concerns guide wires for use in a ...

DOUBLE HELIX REINFORCED CATHETER

The intravascular catheter has two segments; a proximal segment with high stiffness and a distal segment with lower stiffness. The catheter can also have an intermediate segment of lower stiffness than the proximal segment and higher stiffness than the distal segment. The catheter comprises a polymeric inner tube, a reinforcing inner jacket which is spirally wound over the inner tube and which becomes progressively softer from a proximal end to a distal end, and a polymeric outer sheath extruded over the inner jacket according to the teachings of U.S. Pat. No. 5,445,624. The reinforcing jacket comprises helical coiled wires or fibers of various materials and layers wound over the inner tube in order to provide improved multi-axial mechanical properties, such as torque, compression, tension and anti-kinking characteristics. Stainless steel, carbon, glass, platinum, platinum/tungsten or palladium wire in either oval, round or flat geometry are used together with single or dual layers to achieve a graduated stiffness with the reinforcing jacket being stiffer at a proximal end and softer at a distal end. Methods for making the catheter and for annealing ends of the wound wire are also disclosed. 116-. (canceled)17. An intravascular catheter comprising:a polymeric inner tube having an internal lumen and proximal and distal segments;a distal reinforcing jacket including a first helical coiled wire formed of a first material wound over the surface of said distal segment; anda proximal reinforcing jacket including a second helical coiled wire and a third helical coiled wire, said second helical coiled wire being formed of a second material wound over the surface of said proximal segment and over said first helical coil, said third helical coiled wire being formed of the second material and wound over said second helical coiled wire and said proximal segment, said second helical coiled wire extending distally beyond said third helical coiled wire, such that said distal ...

Clot retriever cleaning for reinsertion

A clot retrieval cleaning instrument can have bristles, fluid sprays, or other techniques to liberate captured clot material from a clot retrieval device so that it can be reinserted into a patient's vasculature for successive capture attempts. The cleaning instrument can be conveniently integrated or connected to a hemo stasis valve assembly so that the cleaning function can be performed without completely removing the clot retrieval device from the delivery system. Aspiration can be applied to remove the freed thrombus material. The cleaning instrument can be removable from the delivery system to facilitate the instrument's washing or disposal.

Guidewire with highly flexible tip

A medical device formed of a coil with repeating loops, each loop forming a polygon and each successive loop being slightly rotated with respect to its adjacent loops to form a spiral configuration. The polygon in a preferred embodiment is a triangle, and the repeating triangular loop coil can be used as a guidewire in a stent delivering catheter. The guidewire can further include a stiff core wire that is disposed within the triangular loop coil, where the stiff core wire includes tapered sections that reduce the stiffness in the distal direction. The coil can include multiple sections of different loop shapes, including circular, to alter the stiffness of the guidewire to meet the needs of the application.

CATHETER FUNNEL EXTENSION

The present disclosure includes a system for retrieving a blood clot in a blood vessel using a clot retrieval device having an expansile funnel that can engage with the blood clot. The present disclosure also includes a clot retrieval device having an expandable framework that can engage with the blood clot. The expansile funnel and expandable framework can expand from a collapsed delivery state to an expanded deployed state, increasing the cross-sectional area of the clot retrieval device engaging the blood clot. The increased cross-sectional area of the clot retrieval device can increase the suction force, providing effective removal of the clot from the patient. 1. A system for retrieving an obstruction in a blood vessel , the system comprising:an outer catheter comprising a lumen therethrough, the lumen comprising a circumference; and an elongate flexible delivery member comprising a distal end;', 'an expansile tube comprising a lumen therethrough, the expansile tube affixed to the distal end of the elongated flexible delivery wire; and', a fluid-impermeable flexible tube comprising a lumen therethrough, the lumen of the flexible tube in communication with the lumen of the expansile tube,', 'an open distal mouth disposed at a distal end of the flexible tube,', 'a first ring of struts disposed approximate the open distal mouth, the first ring of struts affixed to the flexible tube and structurally supported by the flexible tube, and', 'a second ring of struts disposed in a proximal direction in relation to the first ring of struts, the second ring of struts affixed to the flexible tube and structurally supported by the flexible tube, 'an expansile funnel affixed to the expansile tube, the expansile funnel expandable from a collapsed delivery state in which the expansile funnel is sized to traverse the lumen of the outer catheter to an expanded deployed state in which the expansile funnel comprises an outer circumference greater than the circumference of the lumen ...

Self contained transportable power source maintenance and charge

The power source maintenance and charge system comprises: charge maintenance circuitry for maintaining a desired charge on or for charging, a special power source of a packaged device; control circuity for actuating and de-actuating the charge maintenance circuitry; and coupling circuitry for coupling the charge maintenance circuitry to the power source including a polymer insulated flat ribbon cable that passes through one of a sterile or non-sterile sealed plastic package containing the device to connect an auxiliary power source of the charge maintenance circuitry to the special power source of the device.

Catheter funnel extension

The present disclosure includes a system for retrieving a blood clot in a blood vessel using a clot retrieval device having an expansile funnel that can engage with the blood clot. The present disclosure also includes a clot retrieval device having an expandable framework that can engage with the blood clot. The expansile funnel and expandable framework can expand from a collapsed delivery state to an expanded deployed state, increasing the cross-sectional area of the clot retrieval device engaging the blood clot. The increased cross-sectional area of the clot retrieval device can increase the suction force, providing effective removal of the clot from the patient.

Implantable power management system

The method and system for managing power supplied from a charging circuit to a power source in an implantable device having the steps of and circuitry for: measuring the current drain of the device; measuring the elapsed time since last full charge and calculating the actual capacity based on the elapsed time and the current; calculating the operating time; signaling and disconnecting the the device when the source voltage falls below a value and further disconnecting the device when the source is overcharged; sensing when the RF transmitter/charger transmits the EM waves induced a voltage level above a value and reconnecting the device upon sensing the induced high voltage level; further monitoring the temperature of the source and halting charging the source when the temperature is above a value and further halting discharging when temperature is above a value.

Guide with very flexible tip

Un cable guía (20) que contiene una bobina (24) formada por aros continuos con una forma poligonal (26), cada aro poligonal se desplaza de manera rotativa con respecto al aro poligonal inmediatamente adyacente para producir una configuración en espiral. A guidewire (20) containing a coil (24) formed by continuous rings with a polygonal shape (26), each polygonal ring is rotatably rotated with respect to the immediately adjacent polygonal ring to produce a spiral configuration.

Implantable device with heat absorption material

A system for charging a battery associated with an implantable medical device includes an inductive charging mechanism that includes a primary coil and a secondary coil. The primary coil is configured to be provided external to a human body and the secondary coil is configured to be provided within the human body proximate the primary coil. A material at least partially encapsulates the primary coil for absorbing heat generated by the primary coil.

Implantable device with heat absorption material

A system (100) for charging a battery (240, 302) associated with an implantable medical device (210, 300) includes an inductive charging mechanism that includes a primary coil (110) and a secondary coil (120). The primary coil (110) is configured to be provided external to a human body and the secondary coil (120) is configured to be provided within the human body proximate the primary coil (110). A material (140) at least partially encapsulates the primary coil (110) for absorbing heat generated by the primary coil (110).

low-profile guide catheter for neurovascular applications

cateter de orientação de baixo perfil para aplicações neurovasculares trata-se de um cateter de orientação de baixo perfil que tem um formato não arredondado para uso na aplicação de múltiplos microcateteres para tratamento de defeitos neurovasculares, como para tratamento de aneurismas. o cateter de orientação de baixo perfil inclui paredes de orientação de transmissão de torque que são flexíveis linearmente, mas não circuferencialmente , e que não são retráteis nem dobráveis.

System for clot retriever cleaning for reinsertion

A clot retrieval cleaning instrument (120) can have bristles (124), fluid sprays, or other techniques to liberate captured clot material (40,42) from a clot retrieval device (60) so that it can be reinserted into a patient's vasculature for successive capture attempts. The cleaning instrument can be conveniently integrated or connected to a hemostasis valve assembly so that the cleaning function can be performed without completely removing the clot retrieval device from the delivery system (108). Aspiration can be applied to remove the freed thrombus material. The cleaning instrument can be removable from the delivery system to facilitate the instrument's washing or disposal.

Catheter funnel extension

The present disclosure includes a system for retrieving a blood clot in a blood vessel using a clot retrieval device having an expansile funnel that can engage with the blood clot. The present disclosure also includes a clot retrieval device having an expandable framework that can engage with the blood clot. The expansile funnel and expandable framework can expand from a collapsed delivery state to an expanded deployed state, increasing the cross-sectional area of the clot retrieval device engaging the blood clot. The increased cross-sectional area of the clot retrieval device can increase the suction force, providing effective removal of the clot from the patient.

Sistema para limpieza de coágulos para reinserción

Un instrumento de limpieza para la recuperación de coágulos (120) puede tener cerdas (124), rociadores de fluidos u otras técnicas para liberar el material del coágulo capturado (40, 42) de un dispositivo de recuperación de coágulos (60) para que pueda reinsertarse en la vasculatura de un paciente para sucesivos intentos de captura. El instrumento de limpieza se puede integrar o conectar convenientemente a un conjunto de válvula hemostática para que la función de limpieza se pueda realizar sin quitar completamente el dispositivo de recuperación de coágulos del sistema de administración (108). Se puede aplicar aspiración para eliminar el material del trombo liberado. El instrumento de limpieza puede retirarse del sistema de entrega para facilitar el lavado o eliminación del instrumento. (Traducción automática con Google Translate, sin valor legal)

System for clot retriever cleaning for reinsertion