Device for extracting elements from a cavity

摘要

A device to extract elements contained in a cavity, additional to patent of invention P060105329, and of preferable application to assistance at childbirth and/or extraction of elements seated in cavities of the human body, facilitating the task of medical professionals. Said device is comprised of a bag having one of its ends open, through which it is possible to introduce the element to be extracted, in which, in a first embodiment and on the outer surface of the bag and along all its circumference line, there is at least one air chamber being able to get in contact with the element to be extracted when receiving inner pressure, being said chamber connected to a pressure generating means; and in a second embodiment, an outward fold is defined on said bag, forming an annular cavity at the time it gets in contact with the cavity containing the element to be extracted.

主权项

1. A device to extract an element contained in a cavity comprising:
a bag comprising an opening for receiving the element; an outer layer comprising an open end facing an opposite direction to the opening of the bag, wherein the outer layer is positioned at or near the open end of the bag such that the outer layer overlaps and extends along a portion of a surface of the bag and wherein the outer layer is configured to slide relative to the portion of the surface of the bag that the outer layer overlaps; and at least one inflatable chamber distinct from the outer layer and positioned at or near the open end of the bag wherein the volume of the chamber is variable so as to reduce an inner circumference of the bag when the chamber is inflated and wherein the chamber has an outer surface facing radially outward and at least a portion of the outer layer extends over the outer surface of the chamber, and wherein the outer layer is configured to slide relative to the outer surface of the chamber.