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1935results about How to "Reduce wall thickness" patented technology

Clot retrieval device for removing occlusive clot from a blood vessel

ActiveUS20130345739A1Facilitate blood flowFacilitate flowDilatorsExcision instrumentsBlood vesselStent
A clot retrieval device (9501) for removing occlusive clot from a blood vessel comprises an inner elongate body (9503) and an outer elongate body (9504) at least partially overlying the inner elongate body (9503). The device also comprises an elongate member or shaft (9502) having a proximal end which extends exterior of a patient so that a user can retrieve the stent-basket device and captured clot by retracting the shaft (9502). The outer elongate body (9504) and the inner elongate body (9503) are connected to the distal end of the shaft (9502) and are expandable relative to the shaft (9502) from a collapsed delivery configuration to an expanded deployed configuration. The outer elongate body (9504) is expandable relative to the inner elongate body (9503) to a radial extent which is greater than the radial extent of the inner body (9503) in the deployed configuration.
Owner:NEURAVI

Vacuum coagulation probes

A surgical device integrating a suction mechanism with a coagulation mechanism is provided for improving lesion creation capabilities. The device comprises an elongate member having an insulative covering attached about means for coagulating soft tissue. Openings through the covering expose regions of the coagulation-causing elements and are coupled to lumens in the elongate member which are routed to a vacuum source. A fluid source to passively transport fluid along the contacted soft tissue surface may be provided in order to push the maximum temperature deeper into tissue.
Owner:ATRICURE

Rate of change detector for refrigerant floodback

A floodback detector for refrigerant systems employing any of: minimum suction temperature, temperature rate of change and duration thereof; minimum superheat, superheat rate of change and duration thereof.
Owner:CONCEPT TECH

Clot retrieval device for removing occlusive clot from a blood vessel

A clot retrieval device (9501) for removing occlusive clot from a blood vessel comprises an inner elongate body (9503) and an outer elongate body (9504) at least partially overlying the inner elongate body (9503). The device also comprises an elongate member or shaft (9502) having a proximal end which extends exterior of a patient so that a user can retrieve the stent-basket device and captured clot by retracting the shaft (9502). The outer elongate body (9504) and the inner elongate body (9503) are connected to the distal end of the shaft (9502) and are expandable relative to the shaft (9502) from a collapsed delivery configuration to an expanded deployed configuration. The outer elongate body (9504) is expandable relative to the inner elongate body (9503) to a radial extent which is greater than the radial extent of the inner body (9503) in the deployed configuration. The stent-basket construction of the device creates a reception space (9507) between the inner (9503) and outer (9504) to receive the target clot. The outer body (9504) is configured to allow as much as possible of the clot to migrate through it into the internal reception space (9507). Housing the clot in this reception space rather than pinning it to the wall of the vessel means that the clot is under less compression and can thus be retracted at a lower force. The inner elongate body (9503) and a distal capture net (9505) protect the distal vascular bed from embolisation.
Owner:NEURAVI

Balloon catheter

InactiveUS7252650B1Relieve internal stressStop flowStentsBalloon catheterWide diameterBlood vessel
The present invention relates to a balloon portion for a balloon catheter for radially expanding a vessel in the body of a mammal, which catheter comprises a tube portion with a passage therethrough and a hollow expandable balloon portion defined by a fluid impervious wall and secured to the tube portion, which balloon portion can be inflated and deflated by means of a fluid passed through the passage, characterized in that:a. the wall of the balloon portion is formed from a flexible substantially fluid impervious material having reinforcing fibers formed integrally with the wall material; andb. the balloon portion is preformed to the desired radial diameter at its inflated state having smaller diameter end portions and a wider diameter portion intermediate the said ends and has a substantially uniform wall thickness.The invention also provides a balloon catheter in which the balloon portion is a balloon of the invention. The invention further provides a method for making the balloon catheter of the invention.
Owner:RANIER LIMITED

Manipulatable delivery catheter for occlusive devices (II)

InactiveUS20050038467A1Adjusting the flexibility of the joint regionReduce wall thicknessBalloon catheterMulti-lumen catheterAneurysmSurgical instrument
This is in the general field of surgical instruments and is specifically a delivery catheter with a flexible, proximally-manipulated hinge or joint region. The inventive catheter may have a balloon region. The catheter may have a shaft of varying flexibility which contains several lumen. The inner, or delivery, lumen generally may be used with a guidewire to access target sites within the body via the flexible, small diameter vessels of the body. The delivery lumen may be also used for placement of occlusive materials, e.g., in an aneurysm. Inflation of the micro-balloon, located near the distal tip of the catheter, is effected using the inflation lumen. The push / pull wire lumen contains a wire, which when manipulated, flexes the catheter's distal tip. The push / pull wire tubing may have a variable thickness to aid in adjusting the degree of flexibility. Moreover, the delivery catheter may be capable of twisting in a helical or corkscrew-like manner for traversing certain vasculature. This may be accomplished by winding the push / pull wire within the catheter and fixedly attaching it. The catheter may further include an entry in the catheter wall to allow for the insertion of a guidewire; this may facilitate the rapid exchange of catheter devices as desired by the user.
Owner:MICRUS ENDOVASCULAR CORP

Manipulatable delivery catheter for occlusive devices (LL)

InactiveUS6976991B2Adjusting the flexibility of the joint regionReduce wall thicknessBalloon catheterMulti-lumen catheterVariable thicknessSurgical department
This is in the general field of surgical instruments and is specifically a delivery catheter with a flexible, proximally-manipulated hinge or joint region. The inventive catheter may have a balloon region. The catheter may have a shaft of varying flexibility which contains several lumen. The inner, or delivery, lumen generally may be used with a guidewire to access target sites within the body via the flexible, small diameter vessels of the body. The delivery lumen may be also used for placement of occlusive materials, e.g., in an aneurysm. Inflation of the micro-balloon, located near the distal tip of the catheter, is effected using the inflation lumen. The push / pull wire lumen contains a wire, which when manipulated, flexes the catheter's distal tip. The push / pull wire tubing may have a variable thickness to aid in adjusting the degree of flexibility. Moreover, the delivery catheter may be capable of twisting in a helical or corkscrew-like manner for traversing certain vasculature. This may be accomplished by winding the push / pull wire within the catheter and fixedly attaching it. The catheter may further include an entry in the catheter wall to allow for the insertion of a guidewire; this may facilitate the rapid exchange of catheter devices as desired by the user.
Owner:VASCULAR FX

Syringe having a proximal end with an outward extending lip

A syringe includes a body having a distal end, a proximal end and a center section therebetween, a plunger movably disposed in the body, and a hollow alignment flange for orienting and manipulating the syringe.
Owner:BAYER HEALTHCARE LLC

Method of coating a medical device utilizing an ion-based thin film deposition technique, a system for coating a medical device, and a medical device produced by the method

A method of coating a medical device is provided that includes forming a beam of ions of a coating material and focusing said beam using at least one electrostatic lens. The method also includes arranging the medical device within said beam. In the method, the forming of said beam of the coating material may include aerosolizing a solution of the coating material and evaporating a solvent of the solution. The method may include providing an opposite electrostatic charge to the medical device. The method may include fixturing the medical device to allow the coating material to contact about all of a surface of the medical device. The method may include rotating the medical device about an axis perpendicular to said beam. The method may include moving the medical device through the region of the focus of the at least one electrostatic lens and contacting said beam with a portion of an exposed surface of the medical device. A system for coating a medical device is provided. A medical device having a coating applied by a method is provided.
Owner:BOSTON SCI SCIMED INC
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