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US 2006/0079922 A1Published application
Balloon anchored surgical apparatus, its use and manufacture
OwnerBrian Crestoninventor
Life of this patent
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Abstract
A surgical instrument is provided including a housing having an orifice; a cannula defining a lumen which is in communication with the orifice; an obturator receivable through the orifice and the lumen; and a balloon having a distal side, a proximal side and an aperture extending through the distal side and the proximal side. The surgical instrument further includes at least one attachment member to facilitate welding of the cannula and a to the balloon.
Claims12
A surgical instrument, comprising:
- a housing having an orifice;
- a cannula made of a first material having a proximal end connected to the housing and a distal end, the cannula having a lumen communicating with the orifice;
- a balloon made from a second material that is different from and not easily welded to the first material, the balloon having a distal side, a proximal side and an aperture extending through the distal side and the proximal side;
- at least one attachment member made from a material weldable with both the first and second materials, the at least one attachment member being welded to the cannula and to the balloon.
1 more element
Dependencies are inferred from the claim text.