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344 results about "Biological structure" patented technology

Suturing device and method for sealing an opening in a blood vessel for other biological structure

InactiveUS7004952B2Many of complicationMany of costSuture equipmentsSurgical needlesDistal portionVia incision
A suturing device allows a physician to remotely seal an incision in a blood vessel or other biological tissue. The device comprises an elongated tubular body having a distal portion which is adapted to be inserted percutaneously through the incision and into the blood vessel. The distal portion has first and second retractable arms which extend from the distal portion of the body and releasably hold a suture within the blood vessel. First and second retractable needles, each of which is configured to catch the suture from a respective arm, are provided along the body proximal to the retractable arms. The arms and the needles are remotely movable by the physician using a handle or other control mechanism provided at a distal portion of the device. In operation, the arms are initially deployed within the blood vessel to hold the ends of the suture beyond the circumference of the tubular body. The needles are then deployed from and then retracted into the body, during which time the needles pierce the vessel wall on opposite sides of the incision, release the suture ends from the retractable arms, and pull the suture through the vessel wall. The device is particularly useful for closing an incision in an artery following a catheterization procedure. In one embodiment, the catheter sheath introducer (CSI) used to perform the catheterization procedure is left in place during the suturing procedure.
Owner:WHITEBOX CAPITAL ARBITRAGE PARTNERS +1

Virtual endoscopy

InactiveUS20080118117A1Full effectImproved angular separationSurgeryEndoscopesData setVirtual camera
A method of orienting a virtual camera for rendering a virtual endoscopy image of a lumen in a biological structure represented by a medical image data set, e.g., a colon. The method comprises selecting a location from which to render an image, determining an initial orientation for the virtual camera relative to the data set for the selected location based on the geometry of the lumen, determining an offset angle between the initial orientation and a bias direction; and orienting the virtual camera in accordance with a rotation from the initial orientation towards the bias direction by a fractional amount of the offset angle which varies according to the initial orientation. The fractional amount may vary according to the offset angle and / or a separation between a predetermined direction in the data set and a view direction of the virtual camera for the initial orientation. Thus the camera orientation can be configured to tend towards a preferred direction in the data set, while maintaining a good view of the lumen and avoiding barrel rolling effects.
Owner:TOSHIBA MEDICAL VISUALIZATION SYST EURO

Suturing device and method for sealing an opening in a blood vessel or other biological structure

InactiveUS20060195120A1Many of complicationMany of costSuture equipmentsSurgical needlesDistal portionVia incision
A suturing device allows a physician to remotely seal an incision in a blood vessel or other biological tissue. The device comprises an elongated tubular body having a distal portion which is adapted to be inserted percutaneously through the incision and into the blood vessel. The distal portion has first and second retractable arms which extend from the distal portion of the body and releasably hold a suture within the blood vessel. First and second retractable needles, each of which is configured to catch the suture from a respective arm, are provided along the body proximal to the retractable arms. The arms and the needles are remotely movable by the physician using a handle or other control mechanism provided at a distal portion of the device. In operation, the arms are initially deployed within the blood vessel to hold the ends of the suture beyond the circumference of the tubular body. The needles are then deployed from and then retracted into the body, during which time the needles pierce the vessel wall on opposite sides of the incision, release the suture ends from the retractable arms, and pull the suture through the vessel wall. The device is particularly useful for closing an incision in an artery following a catheterization procedure. In one embodiment, the catheter sheath introducer (CSI) used to perform the catheterization procedure is left in place during the suturing procedure.
Owner:NOBLES ANTHONY A +2

Method and apparatus for visualization of biological structures with use of 3D position information from segmentation results

A data processing methodology (and corresponding data processing apparatus) for visualizing the characteristics of a particular object volume in an overall medical / biological environment comprises the following computer operated steps: receiving a source image data set as pertaining to the overall environment; establishing a first contour surface within the environment, and through using the first contour surface as seed data, establishing a second contour surface within the environment, which contour surfaces collectively defining a target object volume; by way of segmenting, excluding from the image data set all information pertaining to structures outside the target object volume; and visualizing the target object as being based on nonexcluded information. In particular, the method establishes the second contour surface through combining both voxel intensities and relative positions among voxel subsets, a target volume by excluding all data outside the outer surface and inside the inner surface, thereby allowing non-uniform spacing between the first and second contour surfaces, and uses the second contour surface as being discriminative for the segmenting.
Owner:PIE MEDICAL IMAGING

Aesthetic Method of Biological Structure Treatment by Magnetic Field

Methods for treating a patient using time varying magnetic field are described. The treatment methods combine various approaches for aesthetic treatment. The methods are focused on enhancing a visual appearance of the patient.
Owner:BTL MEDICAL SOLUTIONS AS

Methods for controlling a magnetic stimulation device

InactiveUS20170001029A1Reduce noiseLocal control/monitoringSimulator controlMedicineAesthetic medicine
Methods of calculating and / or suggesting the maximal value of stimulation parameter are based on the safety concept of a magnetic stimulation device for treatment of a biological structure by a high power time-varying magnetic field. The safety concept protects the patient. The methods may be used e.g. in physiotherapy, psychotherapy, psychiatry or aesthetic medicine applications.
Owner:BTL MEDICAL SOLUTIONS AS

Control of DNA movement in a nanopore at one nucleotide precision by a processive enzyme

The invention herein disclosed provides for devices and methods that can detect and control an individual polymer in a mixture is acted upon by another compound, for example, an enzyme, in a nanopore. Of particular note is the stability of the system in a saline medium and to detect individual nucleotide bases in a polynucleotide in real time and which may be used to sequence DNA for many hours without change of reagents. The invention is of particular use in the fields of forensic biology, molecular biology, structural biology, cell biology, molecular switches, molecular circuits, and molecular computational devices, and the manufacture thereof.
Owner:RGT UNIV OF CALIFORNIA

Protecting biological structures, including the great vessels, particularly during spinal surgery

Natural and / or synthetic materials to form a strong barrier between the skeletal system and the great vessels. In the preferred embodiments, a natural or synthetic material is used to prevent scar tissue from forming around the vessels and / or to act as barrier placed between the vessels and the skeletal system, including the spine. Devices according to the invention may also be used over the dura and nerves following laminectomy procedures, between the sternum and the pericardium or heart following cardiac procedures, in intra-abdominal procedures such as intestinal or vascular surgery, over the brain in intra-cranial surgery, over the ovaries or other organs or tissues in the female genitourinary system, over the prostate or other organ or tissues in the male genitourinary system, or in other surgeries on humans or animals.
Owner:FERREE BRET A

Fluid delivery and extraction device and method

A fluid delivery and extraction device enables the remote transfer of fluid to or from biological tissue. The device comprises an elongated member, a syringe movable relative to the elongated member and a pair of hypodermic needles movable relative to the elongated member. The elongated member has a distal portion which is adapted to be inserted into a biological structure. A steer wire or guide wire can be used to navigate the distal portion within cavernous biological structures, particularly body lumens. The distal portion has at least one retractable hypodermic needle that is configured to pierce the interior surface of a tubular biological structure and transfer fluid to or from the walls of the tubular biological structure. A physician can use a handle or other control mechanism provided at a proximal portion of the device to remotely move the hypodermic needles. A plunger can be used to transfer fluid through the hypodermic needles to or from the syringe. In operation, the hypodermic needles are deployed simultaneously or individually from the distal portion of the device. As the hypodermic needles move, they pierce the interior surface of the tubular biological structure. The hypodermic needles can also be configured to pass beyond the exterior surface of the tubular biological structure. The plunger is then used to transfer fluid either from the syringe to the patient or from the patient to the syringe. The hypodermic needles are then moved back to their retracted positions within the distal portion, and the device is withdrawn from the patient's body.
Owner:SUTURA

Low peak exotherm curable compositions

Compositions having a curable unsaturated compound, an adhesion promoter and curing agent which have a peak exotherm of less than 50° C. are disclosed. The compositions when cured are flexible bioadhesives which are also disclosed. Non-curable diluents can be included in the compositions. Flexible bioadhesives formed on biological structures and having low peak exotherms upon curing of curable compositions to form the flexible bioadhesives are disclosed. Compositions having a curable unsaturated compound and a curing agent and a peak exotherm of less than 50° C. are included in the invention.
Owner:MONTGOMERY ROBERT ERIC +1
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