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239166 results about "Medicine" patented technology

Medicine is the science and practice of establishing the diagnosis, prognosis, treatment, and prevention of disease. Medicine encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness. Contemporary medicine applies biomedical sciences, biomedical research, genetics, and medical technology to diagnose, treat, and prevent injury and disease, typically through pharmaceuticals or surgery, but also through therapies as diverse as psychotherapy, external splints and traction, medical devices, biologics, and ionizing radiation, amongst others.

Apparatus for applying surgical fastners to body tissue

An apparatus is disclosed for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue in laparoscopic hernia surgery. The apparatus includes a frame, and a generally elongated endoscopic section connected to the frame and extending distally therefrom. A staple storage cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section with each staple being configured and adapted to attach the mesh to the body tissue. An elongated pusher system formed of several assembled components and extending from the frame to the endoscopic section is provided for individually advancing at least one staple at a time distally for positioning adjacent the surgical mesh and the body tissue. The pusher system also includes a trigger system to actuate the pusher. The trigger system is provided with perceptible tactile sensing means to indicate when the legs of the staple being advanced are exposed so as to be visible to the user for positioning and orientation purposes. Anvil means provides for individually closing each staple to encompass at least a portion of the surgical mesh and to penetrate the body tissue in a manner to attach the portion of the mesh to the body tissue. Projecting distally of the cartridge support system is a pair of legs which are dimensioned and configured to engage the staple during closure to prevent unwanted roll or deformation outside of the plane of the staple.
Owner:COVIDIEN LP

Devices and methods for treating morbid obesity

InactiveUS20050177181A1Avoid tissue erosionRelieve stressSuture equipmentsStentsStomaMorbid obesity
The present invention provides devices and methods for attachment of an implanted device, such as an artificial stoma device, a gastrointestinal sleeve device or an attachment cuff, within a patient's digestive tract for treatment of obesity. Special surgical fasteners provide a lasting and durable attachment to the gastrointestinal tissue without causing excessive pressure that could result in tissue erosion and detachment of the implanted device. Fastener delivery devices that facilitate peroral placement and deployment of fasteners and secondary devices are also provided. Also described are implantable devices and attachment means that avoid causing excessive pressure within the tissue by having compliance that is compatible with the gastrointestinal tissues where it is attached.
Owner:VALENTX

Apparatus for detecting human physiological and contextual information

A detecting apparatus includes a housing support section(s), a housing removably attached thereto, one or more sensors and a processor. An alternate apparatus measures heat flux and includes a known resistivity base member, a processing unit and two temperature measuring devices, one in thermal communication with the body through a thermal energy communicator and the other in thermal communication with the ambient environment. A further alternate apparatus includes a housing or flexible section having an adhesive material on a surface thereof for removably attaching the apparatus to the body. A further alternate apparatus includes a housing having an inner surface having a concave shape in a first direction and convex shape in a second direction substantially perpendicular thereto. Also, an apparatus for detecting heart related parameters includes one or more filtering sensors for generating filtering signals related to the non-heart related motion of the body.
Owner:J FITNESS LLC

Magnetic catheter ablation device and method

A method and apparatus for ablation of a layer of tissue is achieved by providing first and second bodies on opposed sides of the tissue. The first body includes a first ablation member and a source of magnetic force adjacent one side of the tissue. The second body includes a second ablation member and a magnetically attractive element responsive to the magnetic force adjacent the other side of the tissue. The magnetic attraction between the source and the attractive element is adapted to align the first and second bodies in opposed relationship on the opposed sides of the tissue. One of the first and second bodies may include at least one expandible member for controlling the magnetic attraction between the bodies.
Owner:ATRICURE

Instrument introducer

Instrument introducers and methods of using the same are provided to facilitate the introduction of a surgical instrument into a cavity or a body opening of a patient. The instrument introducers include a body portion defining a lumen therethrough, a flexible distal end portion having a distal orifice, a proximal end portion having a proximal orifice, and at least one fold formed in at least the distal end portion.
Owner:TYCO HEALTHCARE GRP LP

Endoscopic ablation system with a distally mounted image sensor

A tissue ablation system is described. The tissue ablation system can include a plurality of electrodes, a viewing window between adjacent electrodes, illuminating elements, and an image sensor. The image sensor can be a CMOS device.
Owner:ETHICON ENDO SURGERY INC

System and method for advancing, orienting, and immobilizing on internal body tissue a catheter or other therapeutic device

This invention provides a system and method that allows a therapeutic device, such as an atrial fibrillation microwave ablation catheter or ablation tip to be guided to a remote location within a body cavity and then accurately immobilized on the tissue, including that of a moving organ, such as the heart. In various embodiments, the system and method also enables accurate movement and steering along the tissue, while in engagement therewith. Such movement and engagement entails the use of vacuum or microneedle structures on at least two interconnected and articulated immobilizers that selectively engage to and release from the tissue to allow a crawling or traversing walking across the organ as the therapeutic catheter / tool tip applies treatment (AGE devices). In further embodiments that lack a movement capability (AID devices), the immobilizers allow a predetermined position for the introduced device to be maintained against the tissue while a treatment is applied to the location adjacent thereto. In the exemplary AID devices, variety of steering mechanisms and mechanisms for exposing and anchoring a catheter against the underlying tissue can be employed. In the exemplary AGE devices, a variety of articulation and steering mechanisms, including those based upon pneumatic / hydraulic bellows, lead screws and electromagnetic actuators can be employed.
Owner:ELECTROPHYSIOLOGY FRONTIERS SPA

Method and apparatus for digital signal processing for radio frequency surgery measurements

A method and apparatus for calculating current lost through a patient during a treatment of a patient using an electromagnetic energy delivery system is disclosed. The system generates electromagnetic energy, contacts a skin surface of the patient, transfers the electromagnetic energy to tissue beneath the surface of the skin, detects a value of at least one characteristic of the electromagnetic energy utilizing synchronous undersampling, and calculates the current lost through the patient. The characteristic measured may be a value of current of the electromagnet energy. An adjustable matching network may be utilized to maximize power to the tissue of the patient. Values of the impedance of the matching network may be utilized to determine the electromagnetic energy delivered to the tissue of the patient. A current correction factor is determined from the impedance of the matching network and utilized to calculate the current lost through the patient.
Owner:THERMAGE INC

Self-adherent implants and methods of preparation

Implants are described herein which contain an activated adhesive on at least a portion of the surface of the implant. A release sheet may be positioned over at least a portion of the adhesive. Packages which contain the implants and methods of preparing the implants are also described.
Owner:TYCO HEALTHCARE GRP LP

Agents and devices for providing blood clotting functions to wounds

Hemostatic agents and devices are made from oxidized cellulose fiber, the oxidized cellulose having a carboxylation content increased by the action of nitrogen dioxide on virgin cellulose fiber. A composition may be incorporated into the oxidized cellulose fiber to cause a pharmacological effect on a wound to which the hemostatic agents and devices are applied. When applied, the oxidized cellulose fiber causes blood emanating from the wound to clot. The oxidized cellulose fiber can either be resorbed into the wound or removed from the wound after healing. A hemostatic bandage includes a pad of unwoven oxidized cellulose fibers mounted on a substrate. Methods of arresting a flow of blood emanating from a wound using such devices are also disclosed. Methods of fabricating oxidized cellulose are also disclosed.
Owner:PAMEIJER CORNELIS H +1

Hemostatic compositions for arresting blood flow from an open wound or surgical site

A hemostatic composition for stopping or decreasing blood flow from an open wound or medical or surgical procedure. Compositions of the invention comprise a mixture of a cationic polymer and a cation exchange material. In one embodiment, the composition comprises a mixture: (1) a high molecular weight copolymer of diallyl dimethyl ammonium chloride (DADMAC) and acrylamide [DADMAC copolymer], and (2) the hydrogen form of a crosslinked, sulfonated polystyrene (hydrogen resin). In an exemplified embodiment, a composition of the invention comprises the mixture of DADMAC copolymer and hydrogen resin provided in a dry powdered form. The compositions of the invention may be applied directly to a wound or treatment site, or they may be incorporated into a wound dressing, such as a bandage. The seal formed at a wound or treatment site treated with the present invention is adhesive and exhibits considerable toughness.
Owner:BIOLIFE

System and method of determining whether to recalibrate a blood pressure monitor

A monitor for determining a patient's physiological parameter includes a calibration device that provides a calibration signal indicative of an accurate measurement of the patient's physiological parameter. The monitor also includes a processor, which receives a noninvasive signal from a noninvasive sensor positioned over a blood vessel. The processor uses the calibration signal to calibrate a relationship between the noninvasive signal and a property of the physiological parameter. The processor also determines when to recalibrate the relationship.
Owner:JPMORGAN CHASE BANK NA

Prosthesis for replacement of cartilage

A cartilage replacement or repair prosthesis comprises a layer of streamlined elastomer elements, preferably in the form of spheres, supported in a matrix material so that the radially opposed surfaces of the spheres are positioned on opposite surfaces of the layer and make contact with the opposed surfaces of the femur and tibia and the forces exerted between these bones extend through the streamlined elements. The matrix material has a substantially lower resistance to deformation than the spheres to control the position of the spheres relative to one another without significantly restraining their load-responsive deformation under forces exerted between the femur and tibia. The layer, with its elastomeric inserts, is sufficiently thin and flexible to allow it to be rolled for arthroscopic insertion into a knee joint.
Owner:SUCCESSOR TRUSTEE OF THE EUGENE RIVIN LIVING TRUST +2

Fluid flow prosthetic device

A prosthetic device including a valve-orifice attachment member attachable to a valve in a blood vessel and including a fluid inlet, and a diverging member that extends from the fluid inlet, the diverging member including a proximal end near the fluid inlet and a distal end distanced from the proximal end, wherein a distal portion of the diverging member has a larger cross-sectional area for fluid flow therethrough than a proximal portion thereof. The diverging member may have a diverging taper that causes fluid to flow therethrough with pressure recovery at the distal end thereof.
Owner:MEDTRONIC VENTOR TECH

Medical system and method for remodeling an extravascular tissue structure

A medical apparatus and method suitable for remodeling a mitral valve annulus adjacent to the coronary sinus. The apparatus comprises an elongate body having a proximal region and a distal region. Each of the proximal and distal regions is dimensioned to reside completely within the vascular system. The elongate body may be moved from a first configuration for transluminal delivery to at least a portion of the coronary sinus to a second configuration for remodeling the mitral valve annulus proximate the coronary sinus. A forming element may be attached to the elongate body for manipulating the elongate body from the first transluminal configuration to the second remodeling configuration. Further, the elongate body may comprise a tube having a plurality of transverse slots therein.
Owner:EDWARDS LIFESCIENCES AG

Individual calibration of blood glucose for supporting noninvasive self-monitoring blood glucose

A method is provided for calibrating a noninvasive glucose monitor for prospective noninvasive glucose determination. Spectroscopic transflectance readings are measured on the patient's skin using a noninvasive glucose monitor. The patient's blood glucose level is measured with an invasive glucose monitor. The noninvasive and invasive measurements are correlated to form an individual algorithm for each patient. Preferably, the position of the patient's skin with respect to the probe of the noninvasive monitor is spatially adjusted while collecting the transflectance measurements such that multiple readings are taken on the patient's skin. The measurements are preferably taken over a period of time and over a plurality of glucose levels in the patient.
Owner:DOMINION ASSETS

Device and system for in-vivo procedures

A system for performing in vivo procedures is provided. The system may include a tool for performing an in vivo procedure. The tool may have an in vivo sensor for obtaining in vivo information; a functional element for performing an interventional or diagnostic in-vivo procedure; a processor in communication with the tool for receiving and optionally processing the in vivo information obtained by the tool and a monitor in communication with the processor for displaying the optionally processed in vivo information. The communication between the elements of the system may be wireless, or, optionally, wired.
Owner:GILREATH MARK G +1

Surgical implant

The present invention provides a surgical implant which can be made of a metal that corrodes while implanted in tissue. The implant can include an electrical insulator, such as in the form of a film, coating, or surface layer, for reducing the conductivity of the implant. The surgical implant can include a electrical insulator for reducing the conductivity of the implant. By way of example, the surgical implant can be in the form of a staple, and insulator can be in the form of an anodized surface layer.
Owner:ETHICON ENDO SURGERY INC

Surgical staple

A surgical staple is provided which includes a first leg having a distal end portion and a proximal end, a second leg having a distal end portion and a proximal end and a bridge member interconnecting the proximal ends of the first and second legs. In accordance with the present disclosure, the first leg has a first predetermined length and the second leg has a second predetermined length which is less than the first predetermined length of the first leg. The distal end portion of both the first leg and the second leg terminate in a distal angled surface, wherein the distal angled surface of the first leg and the distal angled surface of the second leg are oriented in the same direction as one another. The distal angled surface of the second leg is oriented toward the bridge member.
Owner:TYCO HEALTHCARE GRP LP
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