Conical trocar seal
AssigneeEthicon Endo-Surgery, Inc.
InventorsCropper Michael, Paul Franer, Thomas Gilker, Geoffrey Hueil, David Norvell, Brian Thompson, Mark Zeiner, Aaron Voegele
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Abstract
A trocar for performing a procedure on a patient. The trocar includes a hollow cannula having a distal end and a proximal end. The trocar includes a housing having a distal end attached to the proximal end of the cannula and a proximal end having a wall attached thereto. The wall having an aperture therethrough. The trocar further includes a first seal disposed within the housing comprising a plurality of layered elastomeric members forming conical shape.
Claims24
A trocar for performing a procedure on a patient, said trocar comprising:
- a. a hollow cannula having a distal end and a proximal end;
- b. a housing having a distal end attached to said proximal end of said cannula and a proximal end having a wall attached thereto, said wall having an aperture therethrough;
- c. a seal assembly disposed within said housing comprising a plurality of layered elastomeric members forming conical shape.
A trocar for performing a procedure on a patient, said trocar comprising:
- a. a hollow cannula having a distal end and a proximal end;
- b. a housing having a distal end attached to said proximal end of said cannula and a proximal end having a wall attached thereto, said wall having an aperture therethrough;
- C. a seal assembly disposed within said housing comprising a plurality of layered elastomeric members forming conical shape, and a plurality of layered protectors proximal to said plurality of elastomeric members.
A trocar for performing a procedure on a patient, said trocar comprising:
- a. a hollow cannula having a distal end and a proximal end;
- b. a housing having a distal end attached to said proximal end of said cannula and a proximal end having a wall attached thereto, said wall having an aperture therethrough;
- C. a seal assembly disposed within said housing, said seal assembly having an outer perimeter and comprising a plurality of layered elastomeric members forming conical shape, and a plurality of layered protectors proximal to said plurality of elastomeric members;
- and
- d. a flotation means attached to said outer perimeter of said seal.
Dependencies are inferred from the claim text.