63 results about "Body cavity use" patented technology

An encapsulated medical device includes a radio antenna through which the encapsulated medical device transmits or receives a radio wave to or from an extracorporeal device. The encapsulated medical device is passed through the lumen of a body cavity in order to examine, cure, or treat an internal region of the body cavity under the control of the extracorporeal device. A capsule body included in the encapsulated medical device has an extended portion formed at an upper end of one axis of a cross section of the capsule body cut at right angle to the longitudinal axis thereof. The capsule body has a linkage hole bored in the extended portion thereof to allow a fluid such as a gas or humor to flow into forward and backward parts of the lumen through the hole.

Devices, systems and methods for treating medical conditions using cell therapy via body lumens. Localized delivery is achieved with the use of a stent-like expandable body seeded with cells. The expandable body is expanded to contact at least a portion of the inner walls of the body lumen and the cells, cellular products and/or other therapeutic agents are delivered to the surrounding tissue. The therapeutic benefit provided is dependent on the type of cells used and the features of the expandable body.

A surgical instrument, a surgical mesh and a surgical retraction means of the instrument, and a surgical method using the instrument, in which the surgical retraction means is connected to the mesh and to a body tissue at opposite ends, and so the tissue retraction force can be distributed to several holding parts that fasten the mesh to the inner surface of a body cavity, thereby efficiently drawing back the body tissue in various directions. The surgical instrument includes a mesh fastened in an open state to the inner surface of the body cavity using a fastening means; and a surgical retraction means selectively and removably connected at a first end to a point of the mesh and connected at a second end to a part of the internal tissue that is required to be drawn back, so that the surgical retraction means can efficiently draw back the internal tissue.

A method of sealing percutaneous punctures in a patient's body that open into an internal body cavity using a sealing material such as a fibrin adhesive while preventing the sealing material from entering the body cavity. An apparatus for delivering the sealing material is also disclosed.

A delivery system for delivering a sensor to a body cavity includes a catheter and sheath slidably or rotatably coupled to the catheter. The sheath may be retractable and peelable. The delivery device may include an expandable balloon or a crushable material capable of moving the sensor laterally away from the catheter, to the target site. One embodiment of the delivery system includes a deployment device comprising a cord operably engaged with a pulley, and attached at the distal end to a cap engaged with the sensor. Another embodiment of the delivery system comprises a catheter having a chamber that can accommodate the sensor, and a sheath slidably coupled to the exterior of the catheter, and covering the chamber when the sheath is in the closed position. Further included is a method of delivering a sensor to a body cavity using any of the embodiments of the delivery system.

The Body Cavity Cancer Treatment Apparatus generates the magnetic field for use in a combined “Low Temperature Hyperthermia” and ionizing radiation and/or chemotherapy cancer treatment protocol. Unlike other competing systems, the Body Cavity Cancer Treatment Apparatus does not directly kill or ablate the cancer cells with killing temperatures rather, the Body Cavity Cancer Treatment Apparatus stresses the cancer and cancer stem cells by keeping them at a nominal 42° Celsius for some period of time via the heating of nano-particles that have been infused into the bladder, using the generated magnetic field.

This application describes an overtube device that gives diagnostic and/or therapeutic access to body cavities using natural orifices of the body. The overtube includes an elongate flexible body having a distal portion deflectable in response to activation of a control cable. Proximal features of the overtube include an insufflations port and seals for minimizing loss of insufflations pressure around the shafts of instruments passed through the tube. In some embodiments, retractor elements are including on the distal portion of the overtube.

Devices and methods are disclosed for accessing a body cavity or other surgical site while providing optimal device length and improved tissue retraction, device retention and stability, and seal integrity. A surgical access device is disclosed that generally comprises an external seal housing having at least one working channel and that is coupled to a flexible and/or resilient retractor. The retractor can include a resilient ring at its distal circumference configured to be deformed to facilitate insertion through an incision and then to return to an undeformed state having a diameter greater than a diameter of the incision once within a body cavity. Various means of coupling the retractor to the housing are disclosed, as are various types of seals that can be included within the housing. “Low-profile” and “peel-away cannula” embodiments of the surgical access device are disclosed, along with methods of accessing a body cavity using such devices.

Methods and devices are provided for providing surgical access into a body cavity. In general, the methods and devices allow a surgical access device to be securely positioned within an opening in tissue to provide access to a body cavity underlying the tissue. An actuator can be rotatably disposed on or in a housing of a surgical access device such that rotation of the actuator relative to the housing is effective to move a cannula of the surgical access device between an insertion configuration in which the cannula has a reduced profile enabling it to easily be inserted into a tissue opening, and an expanded profile enabling it to form an anchor against and/or within the tissue opening.

A medical device is used to image a body cavity using a plurality of axially and angularly spaced imaging sensors. Each i generates an image that is distinct from one another due to distinct fields of vision. Each image includes an overlapping zone with commonalities that are used to extrapolate a greater calibrated image.

An apparatus for image elastic scattering spectroscopy is disclosed that is comprised of a light source for generating polarized light. Means are provided to convey the polarized light to a target. A collector receives light reflected from the target. A detector is responsive to the collector for generating images at both parallel and perpendicular polarizations for each of a plurality of wavelengths. A range finder detects a distance to the target. Control electronics control the image generation and the range finder. The apparatus may be configured to image areas on the surface of the body or configured so as to be inserted into various body cavities. Typically, the apparatus will be used in conjunction with an analyzer for analyzing the images for evidence of abnormal cells. Methods of gathering data and of screening for abnormal cells are also disclosed.

The present invention provides an LED lighting apparatus and a method of using the same for illumination of a body cavity. In one aspect, the present invention provides a method of surgery in which one incision is made for hands and surgical instruments, and another incision is made for insertion of an LED lighting device. Both incisions open into the same cavity, and the lighting device provides continuous internal lighting to the body cavity where the operation is occurring. In another aspect, a method and apparatus are described that provide internal chandelier lighting to an internal body cavity using a plurality of switched LED's for surgical without damaging tissue within the body cavity.

A system and methods for the delivery of oxygen through a body cavity of a subject using oxygen microbubbles. Through circulation of oxygen microbubbles through the body cavity, oxygen and carbon dioxide exchange may occur. Overall improvement in extending survival rate time during emergency situations caused by pulmonary or similar oxygen-intake restricting injury and/or failure may be achieved through use of the invented system and methods.

An injection needle apparatus in which an operation for relatively moving an outer tube 4 and an inner tube 5 is performed to project and retract a needle body 12 from and into a distal end of the outer tube 4, and to carry out a movement of rotation of the needle body 12 at a predetermined angle by relative forward and backward movements of the outer tube 4 and inner tube 5 in their longitudinal directions every time the forward and backward movement operations is repeated, thereby enabling changing a direction of a needlepoint 14 of the needle body 12 at each angle.

This method for estimating the quantity of an analyte contained in a liquid includes the following steps:

• • introducing the liquid into a fluid chamber;
  • mixing the liquid with a bi-specific reagent, the bi-specific reagent being configured for grafting on both a particle and an analyte present in the liquid;
  • lighting the fluid chamber using an excitation beam emitted by a light source, the beam extending through the fluid chamber;
  • acquiring at least one image using a matrix photodetector, the image being formed by radiation transmitted by the lighted fluid chamber; and
  • estimating, from at least one acquired image, the quantity of said analyte in the liquid.