Patent ID: 11944745
Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A medical device seal assembly comprising:
a housing;
a first seal, at least a portion of which is inside the housing and has a side wall, an interior chamber defined by the side wall, a seal portion connected to the side wall, and a seal opening defined in the seal portion;
a seal expander arranged in the first seal and having a plurality of elongated segments;
a second seal; and
an extraction guide, wherein:
the plurality of elongated segments extends into the interior chamber of the first seal to converge at an intermediate neck and define a minimum internal dimension of the neck and then diverge to a distal mouth and define a second minimum internal dimension of the distal mouth larger than the minimum internal dimension of the neck;
each elongated segment of the plurality of elongated segments has a first radial thickness that is larger at the neck than a second radial thickness at the mouth;
the second seal is distal of the first seal;
the extraction guide is between the first seal and the second seal;
at least a portion of the extraction guide is inside the second seal; and
at least a portion of the first seal is inside the extraction guide.