Detachable distal overtube section and methods for forming a sealable opening in the wall of an organ
First Claim
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1. An overtube for use with an endoscope in a surgical procedure, said overtube comprising:
- a hollow tubular member having a proximal end and a distal end;
an implantable tip detachably affixed to said distal end of said hollow tubular member, said implantable tip having an organ engagement portion for retaining said implantable tip within an organ wall, wherein said implantable tip comprises a lumen extending therethrough such that said lumen forms a passage through said organ wall; and
sealing means for selectively unsealing said lumen of said implantable tip, wherein said sealing means is selectively and separably removable from said lumen of said implantable tip, and wherein said sealing means comprises a plug member, wherein said plug member comprises external mating threads, and wherein said lumen comprises internal mating threads for mating engagement with said external mating threads of said plug member.
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Abstract
An overtube for use with an endoscopic surgical instrument. In various embodiments, the overtube may comprise a hollow tubular member that has an implantable tip detachably affixed to a distal end thereof. The implantable tip may have at least one retention member formed thereon to retain the tip within an organ wall. The implantable tip may further have a lumen extending therethrough to form a passageway through the organ wall. A plug member may be provided to selectively seal off the lumen within the implantable tip.
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Citations
5 Claims
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1. An overtube for use with an endoscope in a surgical procedure, said overtube comprising:
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a hollow tubular member having a proximal end and a distal end; an implantable tip detachably affixed to said distal end of said hollow tubular member, said implantable tip having an organ engagement portion for retaining said implantable tip within an organ wall, wherein said implantable tip comprises a lumen extending therethrough such that said lumen forms a passage through said organ wall; and sealing means for selectively unsealing said lumen of said implantable tip, wherein said sealing means is selectively and separably removable from said lumen of said implantable tip, and wherein said sealing means comprises a plug member, wherein said plug member comprises external mating threads, and wherein said lumen comprises internal mating threads for mating engagement with said external mating threads of said plug member. - View Dependent Claims (2, 3, 4)
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5. An overtube for use with an endoscopic surgical instrument, said overtube comprising:
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a hollow tubular member having a distal portion; an implantable tip detachably affixed to said distal portion of said hollow tubular member, said implantable tip having an organ engagement portion for retaining said implantable tip within an organ wall, wherein said implantable tip comprises a lumen extending therethrough; and a plug member configured to selectively unseal said lumen of said implantable tip, wherein said plug member is selectively and separably removable from said lumen of said implantable tip, and wherein said plug member comprises external mating threads, and wherein said lumen comprises internal mating threads for mating engagement with said external mating threads of said plug member.
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Specification