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266 results about "Peritoneum" patented technology

The peritoneum is the serous membrane forming the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids. It covers most of the intra-abdominal (or coelomic) organs, and is composed of a layer of mesothelium supported by a thin layer of connective tissue. This peritoneal lining of the cavity supports many of the abdominal organs and serves as a conduit for their blood vessels, lymphatic vessels, and nerves.

Methods and devices for diagnostic and therapeutic interventions in the peritoneal cavity

A novel approach to diagnostic and therapeutic interventions in the peritoneal cavity is described. More specifically, a technique for accessing the peritoneal cavity via the wall of the digestive tract is provided so that examination of and / or a surgical procedure in the peritoneal cavity can be conducted via the wall of the digestive tract with the use of a flexible endoscope. As presently proposed, the technique is particularly adapted to transgastric peritoneoscopy. However, access in addition or in the alternative through the intestinal wall is contemplated and described as well. Transgastric and / or transintestinal peritoneoscopy will have an excellent cosmetic result as there are no incisions in the abdominal wall and no potential for visible post-surgical scars or hernias.
Owner:APOLLO ENDOSURGERY INC

Systems and methods for reducing post-surgical complications

The present invention provides systems and methods for applying RF energy to injured tissue, particularly the peritoneum, in order to prevent harmful post-surgical adhesions. One aspect of the invention is RF energy delivery systems employing trocars, which are designed for use in laparotomies and laparoscopies. Another aspect of the invention is an RF delivery system comprising a surgical sheet with one or more electrodes for delivering the RF energy to the injured tissue resulting from conventional surgical incisions into the abdominal wall. Additionally, another aspect of the invention provides methods for controlling the treatment dosage of RF heat to the injured tissue using parameters such as treatment time, change in tissue temperature, and change in tissue impedance.
Owner:NTERO SURGICAL

Methods and apparatus for accessing and treating regions of the body

Methods and apparatus for accessing and treating regions of the body are disclosed herein. Using an endoscopic device having an automatically controllable proximal portion and a selectively steerable distal portion, the device generally may be advanced into the body through an opening. The distal portion is selectively steered to assume a selected curve along a desired path within the body which avoids contact with tissue while the proximal portion is automatically controlled to assume the selected curve of the distal portion. The endoscopic device can then be used for accessing various regions of the body which are typically difficult to access and treat through conventional surgical techniques because the device is unconstrained by “straight-line” requirements. Various applications can include accessing regions of the brain, thoracic cavity, including regions within the heart, peritoneal cavity, etc., which are difficult to reach using conventional surgical procedures.
Owner:INTUITIVE SURGICAL

Method and apparatus for performing maxillary sinus elevation

A method and apparatus is disclosed for providing implants in the upper jaws of a person. A sleeve is inserted through the alveolar ridge to the maxillary sinus. The sleeve is used to raise the subantral membrane and form a cavity. A filler, such as a bone growth stimulant is injected through the sleeve into the cavity. In the process, the sleeve also can cut and / or condense the bone around itself so that the bone can hold an implant. Optionally, the bone growth stimulant is also introduced into the bone surrounding the sleeve. During the injection, the pressure within the sleeve or the cavity is monitored to detect and prevent the rupture of the subantral membrane.
Owner:HOCHMAN MARK N

Apparatus and methods for early stage peritonitis detection and for in vivo testing of bodily fluid

The invention provides, inter alia, automated medical methods and apparatus that test PD effluent in a flow path (e.g., with an APD system or CAPD setup) to detect, for example, the onset of peritonitis, based on optical characteristics of the effluent resolved at cellular scales of distance. For example, according to one aspect of the invention, an APD machine includes, in an effluent flow path, apparatus for early stage peritonitis detection comprising an illumination source and a detector. The source is arranged to illuminate peritoneal effluent in a chamber that forms part of the flow path, and the detector is arranged to detect illuminant scattered by the effluent. The detector detects that reflected or scattered illuminant at a cellular scale of resolution, e.g., on a scale such that separate cellular-sized biological (or other) components in the effluent can be distinguished from one another based on scattering events detected by the detector. Other aspects of the invention provide automated medical testing methods and apparatus that detect the onset of peritonitis and other bodily conditions by testing fluids in the body in vivo, e.g., the patient's peritoneum. Such apparatus and methods utilize a first fiber optic bundle to carry illuminant from a source of the type described above into a bodily organ or cavity, and a second fiber optic bundle to carry illuminant scattered by fluid in that organ or cavity to a detector as described above.
Owner:FRESENIUS MEDICAL CARE HLDG INC

Method And Apparatus For Transgastric Neurostimulation

A method of placing an electrode in a peritoneal cavity including the following steps: inserting an endoscope through a patient's mouth into the patient's stomach; passing the endoscope through an opening in the stomach into the peritoneal cavity; and using the endoscope to place the electrode in contact with tissue within the peritoneal cavity other than stomach tissue. Another aspect of the invention provides a method of electrically mapping tissue accessed from a peritoneal cavity including the following steps: inserting an endoscope through a patient's mouth into the patient's stomach; passing the endoscope through an opening in the stomach into the peritoneal cavity; passing an electrode through the endoscope; placing the electrode in contact with tissue within the peritoneal cavity other than stomach tissue; and applying a mapping stimulation signal to the electrode from a mapping stimulator.
Owner:SYNAPSE BIOMEDICAL INC
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