U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Cohen, Lee S.


Primary examiner statistics: 4195 patents; average approval time: 4193 days
Assistant examiner statistics: 223 patents; average approval time: 627 days

Patents as Primary Examiner

1                      
NumberTitleIssue Date
7611510APC dual mode LEEP apparatus and method
A multi-mode LLETZ or LEEP device for performing LLETZ surgery and argon plasma coagulation using a single device is disclosed. The disclosed device has a body with a channel therein and movable arms having a wire therebetween at a distal end of the body such that t...
11/03/2009
7530979Method of treating abnormal tissue in the human esophagus
An ablation catheter system and method of use is provided to endoscopically access portions of the human esophagus experiencing undesired growth of columnar epithelium. The ablation catheter system and method includes controlled depth of ablation features and use of...
05/12/2009
7462178Systems and methods for electrosurgical spine surgery
Methods and apparatus for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. In a method of the invention high frequency (RF) electrical energy is applied to one or more active electrodes ...
12/09/2008
7458379Method and system for cryoablating tumors
A cryosurgical system adapted for treatment of fibroadenomas within the breast of a patient. The system includes cryoprobes and a control system which operates the cryoprobes to accomplish freezing in two stages, including a high power freeze and a low power freeze....
12/02/2008
7458966Medical instrument
The invention relates to a medical instrument, in particular an endoscopic instrument, with an instrument shaft, a tool positioned on the distal end of the instrument shaft, and a handle, which can be secured on the instrument shaft so that it can be moved in an axi...
12/02/2008
7458973High-frequency snare for endoscope
A high-frequency snare for an endoscope includes an electrically insulating sheath, an operation wire slidably inserted through the sheath, a plurality of resilient twisted wires. Proximal ends of the plurality of twisted wires are connected to the distal end of the...
12/02/2008
7458971RF ablation probe with unibody electrode element
An ablation probe and method of manufacturing the ablation probe are provided. The probe comprises a probe shaft and a unibody electrode element. The unibody electrode element comprises a common electrode base located at the distal end of the shaft, and a plurality ...
12/02/2008
7458972Electrosurgical electrode having a non-conductive porous ceramic coating
An electrosurgical electrode assembly and method utilizing the same are disclosed capable of controlling or limiting the current per arc in real-time during an electrosurgical procedure. The conductive electrosurgical electrode is configured for being connected to a...
12/02/2008
7455671Surface electrode multiple mode operation
A surface electrode for ablating tissue is provided. The surface electrode comprises a base, a plurality of tissue penetrating needle electrodes extending from the surface of the base an adjustable distance, and an electrical interface coupled to the plurality of ne...
11/25/2008
7455669Finger mountable lesion formation devices and methods
An apparatus including a lesion formation element and a carrier configured to mount the lesion formation element on a finger. ...
11/25/2008
7449018Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation employing microporous balloon
An enhanced method and device are provided to inhibit or reduce restenosis following angioplasty or stent placement. A porous balloon-tipped catheter is disposed in the area treated or opened through balloon angioplasty immediately following angioplasty. The balloon...
11/11/2008
7449021Systems and methods for electrosurgical tissue contraction within the spine
The present invention provides systems and methods for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to one or more...
11/11/2008
7445618Methods for tissue ablation using pulsed energy
An electrosurgical probe comprises a shaft having an electrode array (12) at its distal end and a connector at its proximal end. The array (12) includes a plurality of isolated electrode terminals, and an electrosurgical power supply (28) is pro...
11/04/2008
7445619Devices for electrosurgery
Devices for electrosurgery by means of oxy-hydro combustion and methods for use of such devices in electrosurgical procedures. Provided are devices for combustion of oxygen and hydrogen, or other hydrocarbon fuels, wherein oxygen and hydrogen may be generated by ele...
11/04/2008
7444177EKG recording accessory system (EKG RAS)
The invention is a precordial pad for positioning EKG electrodes on a patient for anatomically correct and repeatable placement. Data can be transmitted from the EKG pad of the invention by wire or wireless means. The pad includes a sizing aid, and a positioning dev...
10/28/2008
7442191Systems and 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 ear, nose and throat. In one aspect, a method is provided for reduci...
10/28/2008
7440789Electrode structure for measuring electrical responses from the human body
The invention relates to an electrode structure (10) for attachment to a more extensive measuring structure (11), in order to measure electrical responses from the human body. The electrode structure (10) includes a conductive electrode (1
10/21/2008
7435248Medical probes for creating and diagnosing circumferential lesions within or around the ostium of a vessel
The present inventions provide assemblies, probes, and methods for creating circumferential lesions in tissue, e.g., the tissue within or around the ostium of a vessel. An ablation probe with an ablative structure can be placed in contact within or around the ostium...
10/14/2008
7431721Bonding of soft biological tissues by passing high frequency electric current therethrough
Technique for bonding soft biological tissue having an incision therein with forceps adapted to grip a portion of tissue on both sides of incision. Electrodes are secured to forceps for contracting the tissue portion. An electrical power source provides a high frequ...
10/07/2008
7429260Systems and methods for electrosurgical tissue contraction within the spine
The present invention provides systems and methods for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to one or more...
09/30/2008
7427282High-frequency cutting instrument for endoscope
A high-frequency cutting instrument for an endoscope is provided. The instrument is provided with a flexible sheath formed of insulating material, a high-frequency electrode placed to be exposed on a lateral part of the flexible sheath in the vicinity of a tip of th...
09/23/2008
7428433Heart rate monitor assembly
A heart rate monitor assembly includes a data processing unit which includes a case in which a data processor and a power supply device are received. The case includes two L-shaped holes and two conductive plates are received in the case and located in the two L-sha...
09/23/2008
7422588Pen-type electrosurgical instrument
An electrocautery device is disclosed. In accordance with one aspect of the invention, the electrocautery electrode/tip is provided with a hollow, conductive tube terminating at its distal end in a ball point type tip. Fluid, preferably conductive fluid, is applied ...
09/09/2008
7424319Electrode assembly and a system with impedance control
An electrode assembly arranged to carry out a bioelectrical interaction with an individual, said electrode assembly comprising a conductive material having a contact surface arranged to be brought into contact with a receiving area of the individual's skin, said con...
09/09/2008
7419488Electrosurgical probe with movable return electrode and methods related thereto
The present invention provides systems, apparatus, and methods for dissecting, resecting, severing, cutting, contracting, coagulating, or otherwise modifying a tissue or organ of a patient. An apparatus of the invention includes an electrosurgical probe configurable...
09/02/2008
7419486Treatment and diagnostic catheters with hydrogel electrodes
Straight and curved catheters for treatment or diagnoses of tissue, including cardiac tissue, using hydrogel virtual electrodes and hydrogel sensing electrodes are disclosed. Each catheter comprises at least one conductive hydrogel electrode, whether a virtual elect...
09/02/2008
7419489Ablation catheter assembly having a virtual electrode comprising portholes
An ablation catheter having a catheter shaft and a virtual electrode, the virtual electrode comprising portholes through an outer peripheral wall of the catheter shaft and a metal electrode, the catheter being used for treatment of cardiac arrhythmia, for example, a...
09/02/2008
7416549Multi-zone bipolar ablation probe assembly
A medical probe assembly, tissue treatment system, and method are provided for ablating tissue. The probe assembly comprises an elongated member and electrode elements mechanically coupled to the distal end of the elongated member. The electrode elements are configu...
08/26/2008
7416548Cryogenic system
A cryosurgical system and method for supplying cryogen to a probe. The system including a container filled with cryogen and having bellows of a pump submerged within said cryogen. Conduits fluidly interconnect the bellows and a probe that is outside the container to...
08/26/2008
7415300Multi-electrode lead
A multi-electrode lead (10) comprises an elongate carrier (12) having a longitudinal axis. A plurality of electrical conductors is carried by the carrier (12), a plurality of electrodes being connected in spaced relationship to each conductor. T...
08/19/2008
7410482Detachable aneurysm neck bridge
In one embodiment, a neck bridge for bridging the neck of an aneurysm includes a junction region, a number of radially extending array elements attached to the junction region, and a cover attached to one or both of the junction region and an array element. The arra...
08/12/2008
7412273Soft linear mapping catheter with stabilizing tip
A catheter adapted for mapping near a tubular region of a heart, has an elongated tubular catheter body having proximal and distal ends, an intermediate section distal of the catheter body, and a mapping assembly at the distal end of the intermediate section. The el...
08/12/2008
7412274Multi-tip steerable catheter
An improved catheter is provided that is particularly useful for simultaneously mapping electrical activity at multiple locations within the heart. The catheter comprises an elongated catheter body having proximal and distal ends and at least one lumen extending lon...
08/12/2008
7403807Medical electrode with peripheral edge of conductor sealed from electrolyte
A medical electrode for conducting an electrical current to or from the skin of a patient. The electrode comprises a thin, flexible metallic conductor, a layer of electrolyte in electrical contact with the conductor and positioned to be in electrical contact with th...
07/22/2008
7395105Wearable device for bioelectrical interaction with motion artifact correction means
The invention relates to a wearable device arranged for enabling a bioelectrical interaction with an individual when being brought into contact with the individual's skin I, said device comprising electrodes 2 arranged to carry out said interaction by means o...
07/01/2008
7393351Apparatus and methods for treating cervical inter-vertebral discs
Apparatus and methods for treating an inter-vertebral disc by ablation, coagulation, shrinking, stiffening, or other treatment of disc tissue. A method of the invention includes positioning at least one active electrode within the inter-vertebral disc, and applying ...
07/01/2008
7395106Wearable physiological signal detection module and measurement apparatus having the same
Provided are a wearable physiological signal detection module and a measurement apparatus having the same. A physiological signal detection module including a measuring electrode implemented by a dry electrode having good conductivity to detect various physiological...
07/01/2008
7393348Two-part medical instrument
A two-part medical instrument is proposed, comprising a first part having a peg and a second part having a peg receiver, wherein first part and second part are connected to one another by a peg/peg receiver connection and the first part is made of a plastics materia...
07/01/2008
7393353Transmural ablation device with temperature sensor
A method and apparatus for transmural ablation using an instrument containing first and second jaw member and at least one of the jaw members having an ablation member. A clamping force is exerted on the jaw members such that the tissue of the hollow organ is clampe...
07/01/2008
7393352Electrode arrangement for use in a medical instrument
A medical instrument includes a pair of spaced apart and electrically isolated elongated electrodes positioned adjacent one another on a working member. The electrodes are arranged for sensing electrical activity of biological tissues inside the body of the patient....
07/01/2008
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