Medical device for providing access
First Claim
1. An assembly comprising:
- a vacuum device having a perimeter portion sized and shaped to be positioned against a portion of a patient'"'"'s body and shell portion disposed inward of the perimeter portion, the shell portion having a generally convex outer surface and a generally concave inner surface, the vacuum device operable for providing an operative space within a patient; and
a multicomponent device for providing access through the shell portion from a point external of the vacuum device to a point within the patient;
the multicomponent device comprising detachable first and second members, the first member for providing a first portion of an access passageway, and the second member for providing a second portion of an access passageway, the first member comprising a proximal end, a pointed distal end, and an attachment portion positioned between the proximal and distal ends, the attachment portion comprising a means for attaching to a proximal end of the second member.
1 Assignment
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Accused Products
Abstract
The invention provides, in one embodiment, a multifunctional, multi-piece medical device and related method for providing access to an internal body cavity, such as for use with a vacuum lift shell. The device can include a cannula and a cannula extension. The device provides a conduit between the external environment and operative field inside the patient'"'"'s body during medical procedures, including diagnostic, therapeutic and surgical procedures. The invention allows entry and exit of air or gas to help create and maintain the operative field. The invention can be used to provide an open and unobstructed working path, and allows the operative space to be maintained at ambient conditions of pressure and temperature.
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Citations
15 Claims
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1. An assembly comprising:
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a vacuum device having a perimeter portion sized and shaped to be positioned against a portion of a patient'"'"'s body and shell portion disposed inward of the perimeter portion, the shell portion having a generally convex outer surface and a generally concave inner surface, the vacuum device operable for providing an operative space within a patient; and a multicomponent device for providing access through the shell portion from a point external of the vacuum device to a point within the patient;
the multicomponent device comprising detachable first and second members, the first member for providing a first portion of an access passageway, and the second member for providing a second portion of an access passageway, the first member comprising a proximal end, a pointed distal end, and an attachment portion positioned between the proximal and distal ends, the attachment portion comprising a means for attaching to a proximal end of the second member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification