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Cannula with sealing elements

Technology of a sealing element, hollow tube, applied in the field of intubation with a sealing element

Inactive Publication Date: 2010-10-20
ETHICON ENDO SURGERY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The size of the housing containing the seal can limit the ability to place multiple instruments in close proximity

Method used

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  • Cannula with sealing elements
  • Cannula with sealing elements
  • Cannula with sealing elements

Examples

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Embodiment Construction

[0046] Certain exemplary embodiments will now be described to provide an overall understanding of the principles of the structure, function, manufacture, and use of the devices and methods disclosed herein. One or more examples of these embodiments are illustrated in the accompanying drawings. Those skilled in the art will appreciate that the devices and methods specifically described herein and illustrated in the accompanying drawings are non-limiting exemplary embodiments and that the scope of the present invention is defined only by the claims. Components shown or described in connection with one exemplary embodiment may be combined with components of other embodiments. Such modifications and variations are intended to be included within the scope of the present invention.

[0047] The present invention generally provides improved surgical access devices. In use, the surgical access devices disclosed herein can provide access through tissue into a body cavity of a patient...

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Abstract

Methods and devices are provided for providing surgical access into a body cavity. In one embodiment, a surgical access device is provided that includes an elongate hollow tube having a proximal end that is configured to be positioned adjacent to a tissue surface and a distal end configured to extend through a body wall into a body cavity. The proximal end of the device can be can be configured to allow the proximal-most portion of the surgical access device to rest flush or substantially flush against a tissue surface of a patient when the device is inserted into the patient. In some embodiments, the elongate hollow tube can have a non-circular cross-section.

Description

technical field [0001] The present invention relates to methods and devices for performing surgical procedures, and more particularly to methods and devices for accessing body cavities. Background technique [0002] Laparoscopic surgery gained popularity in the late 1980s when the advantages of laparoscopic cholecystectomy over conventional (open) surgery became apparent. The recognized advantages of laparoscopic procedures are shortened postoperative recovery time, significantly reduced postoperative pain and wound infection, and improved cosmetic outcomes, mainly due to the ability of laparoscopic surgeons to operate through smaller incisions in the body cavity wall. [0003] Laparoscopic procedures generally involve placing the CO 2 Gas was injected into the abdominal cavity to bring the pressure to about 15mmHg. A hole is made in the abdominal wall, and then a straight cannula or trocar cannula with a diameter of 5-10 mm is inserted into the abdominal cavity. A laparo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00A61B1/313
CPCA61B17/3498A61B17/3421A61B17/3423A61B2017/3441
Inventor F·E·谢尔顿四世C·W·威登豪斯
Owner ETHICON ENDO SURGERY INC
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