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6273886 |
Integrated tissue heating and cooling apparatus
Systems and methods integrate the control of an energy generator, to supply energy to an electrode structure to heat a tissue region, and the control of a pumping mechanism, to supply cooling fluid...
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6275738 |
Microwave devices for medical hyperthermia, thermotherapy and diagnosis
To treat and diagnose tissue, a radiating antenna system is positioned within the tissue to radiate electromagnetic energy into a portion of the tissue desired to be heated, and a plurality of...
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6264651 |
Method for electrosurgical spine surgery
The present invention provides systems and methods for selectively applying electrical energy to a target location within of a patient's body, particularly including tissue in the spine. The...
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6264650 |
Methods for electrosurgical treatment of intervertebral discs
Systems, apparatus and methods for ablation, resection, aspiration, collagen shrinkage and/or hemostasis of tissue and other body structures in open and endoscopic spine surgery. In particular, the...
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6264652 |
Electrosurgical systems for treating tissue
Systems and methods are provided for selectively applying electrical energy to a target location on an external body surface, such as skin tissue removal and/or collagen shrinkage in the epidermis...
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6254600 |
Systems for tissue ablation and aspiration
The present invention provides systems and methods for selectively applying electrical energy to a target location within or on a patient's body. In particular, methods and apparatus are provided...
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6254626 |
Articulation device for selective organ cooling apparatus
A selective organ heat transfer device with deep irregularities in a turbulence-inducing exterior surface. The device can have a plurality of elongated, articulated segments, each having a...
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6251130 |
Device for applications of selective organ cooling
The invention provides a method and device for selectively controlling the temperature of a selected organ of a patient for performance of a specified application. The method includes introducing a...
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6245095 |
Method and apparatus for location and temperature specific drug action such as thrombolysis
A method is provided of localizing a drug action where the drug is present throughout a vascular system. The localization occurs to within a volume of blood in a blood vessel, the vascular system...
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6241753 |
Method for scar collagen formation and contraction
A method is disclosed for forming and contracting scar collagen below a tissue surface in a selected tissue site. An electromagnetic energy apparatus is provided and includes an electromagnetic...
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6238428 |
Selective organ cooling apparatus and method employing turbulence-inducing element with curved terminations
A selective organ heat transfer device with deep irregularities in a turbulence-inducing exterior surface. The device can have a plurality of elongated, articulated segments, each having a...
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6238391 |
Systems for tissue resection, ablation and aspiration
The present invention provides systems and methods for selectively applying electrical energy to a target location within or on a patient's body. In particular, methods and apparatus are provided...
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6235022 |
RF generator and pump apparatus and system and method for cooled ablation
A radio frequency generator and pump apparatus for cooled ablation for ablating tissue in the wall of the heart of a patient. An ablation catheter comprising a flexible elongate member has proximal...
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6224592 |
Systems and methods for electrosurgical tissue treatment in conductive fluid
An electrosurgical probe (10) comprises a shaft (13) having an electrode array (58) at its distal end and a connector (19) at its proximal end for coupling the electrode array to a high frequency...
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6224624 |
Selective organ cooling apparatus and method
The present invention involves a selective organ heat transfer device having a flexible coaxial catheter capable of insertion into a selected feeding artery in the vascular system of a patient. A...
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6224591 |
Device and method for hyperthermia treatment
Device for hyperthermia treatment in a body cavity comprising a catheter (10) to be introduced into the body cavity and being closed at the distal end thereof. An elastically expandable hose piece...
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6223085 |
Device and method for preventing restenosis
A method and apparatus for reducing restenosis of a stenotic region of a blood vessel after performing a dilatation angioplasty treatment is disclosed. The method includes radiating microwave...
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6217573 |
System and method for measuring surface temperature of tissue during ablation
An RF ablation system comprises irrigated split tip electrode catheter, an RF generator and a signal processor. The catheter comprises four orthogonally arranged electrodes at the distal tip. The...
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6217574 |
System and method for measuring subsurface temperature of tissue during ablation
An RF ablation system comprises irrigated split tip electrode catheter, an RF generator and a signal processor. The catheter comprises four orthogonally arranged electrodes at the distal tip. The...
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6217575 |
PMR catheter
Devices and methods for performing percutaneous myocardial revascularization (PMR). A catheter in accordance with the invention includes an elongate shaft having a proximal end and a distal end....
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6216041 |
Thermotherapy probe
A thermotherapy device for treatment of diseased biological tissues. The thermotherapy device includes a primary and at least one secondary cooling and/or radiation shielding lumen. The lumens are...
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6210406 |
Split tip electrode catheter and signal processing RF ablation system
An RF ablation system comprises irrigated split tip electrode catheter, an RF generator and a signal processor. The catheter comprises four orthogonally arranged electrodes at the distal tip. The...
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6203542 |
Method for electrosurgical treatment of submucosal tissue
The present invention provides systems and methods for selectively applying electrical energy to a target location within the head and neck of a patient's body, particularly including tissue in the...
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6190381 |
Methods for tissue resection, ablation and aspiration
The present invention provides systems and methods for selectively applying electrical energy to a target location within or on a patient's body. In particular, methods and apparatus are provided...
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6179836 |
Planar ablation probe for electrosurgical cutting and ablation
An electrosurgical ablation probe is provided having a shaft with a proximal end portion and a tongue-shaped distal end portion sized to fit within confined (e.g., narrow) spaces within the...
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6179832 |
Expandable catheter having two sets of electrodes
A catheter includes a first plurality of expandable leads and a second plurality of expandable leads separate and longitudinally spaced-apart from the first plurality to deliver energy to a hollow...
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6159208 |
System and methods for electrosurgical treatment of obstructive sleep disorders
The present invention provides systems and methods for selectively applying electrical energy to a target location within the head and neck of a patient's body, particularly including tissue in the...
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6156007 |
Apparatus for whole-body hyperthermia
An apparatus for use in whole body hypothermia includes a dialyzer having a blood side and a dialysate side separated by one or more dialysis membranes. A blood pump associated with the a blood...
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6156032 |
Method for causing a stricture of a body passageway
This invention provides for an apparatus and method to cause a stricture in a body passageway. For example, urinary incontinence and vesicoureteral reflux can be treated by inserting an...
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6149677 |
Circulating fluid hypothermia method
A method for performing hypothermia of a selected organ without significant effect on surrounding organs or other tissues. A flexible coaxial catheter is inserted through the vascular system of a...
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6146380 |
Bent tip electrical surgical probe
A medical needle or cannula for stimulation or ablation includes a rigid bent tip for simplified placement at target sites within a patient's anatomy. The curved tip or shaft is used to steer the...
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6139570 |
Disposable bladder for intrauterine use
A catheter device with disposable bladder is provided for intrauterine use and comprises a reusable introducer, a disposable bladder subassembly, a liquid source for pressurizing the bladder with a...
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6139571 |
Heated fluid surgical instrument
A heated fluid surgical instrument including a palm-sized handpiece having a cannula adapted to be inserted into a patient's body by way of a natural access (e.g., mouth) or a small incision. A...
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6113593 |
Ablation apparatus having temperature and force sensing capabilities
An ablation apparatus system for treating tissues in a patient, the ablation apparatus comprising temperature sensing means for measuring a temperature, wherein said temperature sensing means...
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6110168 |
Method and apparatus for controlling a patient's body temperature by in situ blood temperature modifications
The present invention provides a method and apparatus for controlling the internal body temperature of a patient. According to the present invention, a catheter is inserted through an incision into...
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6099526 |
Electrode structure including hydrophilic material
Electrode structures are formed from flexible, porous, or woven materials. One such structure is made by forming first and second body sections, each including a peripheral edge. The first and...
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6096068 |
Selective organ cooling catheter and method of using the same
A heat transfer device has first and second elongated, articulated segments, each having a turbulence-inducing exterior surface. A flexible joint connects the first and second elongated,...
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6086584 |
Cellular sublimation probe and methods
The invention provides exemplary electrosurgical probes and methods for their use. In one exemplary embodiment, an electrosurgical probe comprises a probe body having a proximal end, a distal end...
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6074412 |
Cryoprobe
Cryocoolers for use in cryosurgery and other applications comprising dual finned tube helical coil heat exchangers. The size and shape of iceballs created by the probes is controlled by the...
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6066132 |
Articulating endometrial ablation device
An intrauterine ablation device having a catheter, a handle, and a distensible bladder. The catheter contains a joint such that the catheter may be articulated to facilitate access into the uterus.
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6066134 |
Method for electrosurgical cutting and ablation
An electrosurgical probe (10) comprises a shaft (13) having an electrode array (58) at its distal end and a connector (19) at its proximal end for coupling the electrode array to a high frequency...
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6067475 |
Microwave energy delivery system including high performance dual directional coupler for precisely measuring forward and reverse microwave power during thermal therapy
A microwave energy delivery system for microwave thermal therapy includes an antenna and a transmission line connected to the antenna. A microwave generating source includes a generator connected...
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6063079 |
Methods for electrosurgical treatment of turbinates
The present invention provides systems and methods for selectively applying electrical energy to a target location within the head and neck of a patient's body, particularly including tissue in the...
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6053912 |
Systems and methods for sensing sub-surface temperatures in body tissue during ablation with actively cooled electrodes
Systems and associated methods for ablating body tissue employ an electrode for contacting tissue to form a tissue-electrode interface. The electrode is adapted to be connected to a source of...
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6033383 |
Temperature regulating catheter and methods
The invention provides methods and apparatus for regulating the temperature of a liquid medium while the liquid medium is within a patient. According to one exemplary method, a catheter is provided...
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6032077 |
Ablation catheter with electrical coupling via foam drenched with a conductive fluid
An ablation catheter for ablating tissue, such as endocardial tissue. The ablation catheter includes a foam tip with an electrode embedded therein. Conductive fluid, such as saline solution, is...
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6032078 |
Voltage controlled variable tuning antenna
A catheter shaft carries a coaxial cable, the terminal end of which contains a dipole antenna with opposing first and second helical elements. The first and second helical elements originate from a...
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6024743 |
Method and apparatus for selective treatment of the uterus
An apparatus to treat an uterus includes an expandable member configured to be positioned in a uterine cavity in a non-deployed, state, receive an expansion media and extend to a deployed state. At...
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6017338 |
Fluid cooled and perfused tip for a catheter
The invention relates to an ablation catheter which controls the temperature and reduces the coagulation of biological fluids on a tip of a catheter, prevents the impedance rise of tissue in...
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6015407 |
Combination linear ablation and cooled tip RF catheters
An apparatus for ablating body tissue is provided that is particularly adapted for creating both linear and point lesions in the endocardium. The apparatus comprises an elongate tubular member...
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