Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1990-11-28
1992-08-18
Wilson, John J.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604164, A61M 5178
Patent
active
051394871
ABSTRACT:
An instrument which is insertable through the common tubes of a trocar, so that the distal end of the instrument may enter into the body cavity during surgery. The instrument would include an outer housing having a proximal end and a distal end, the distal end insertable through the laparoscopic instrument port, to the area of the duct to be secured a second inner housing insertable and slidably movable within the outer housing, the inner housing including a foot member extending from its distal end including an arcuate channel for enveloping and resting a portion of the duct thereupon, a member on the inner housing for securing the duct between the end of the outer housing and the arcuate channel; a third elongated member insertable through the port in the inner housing, the member including a bore throughout its length, and a point on its distal end, so that when the inner member is inserted into the bore of the inner housing, the point extends from the housing, and moves through the wall of the duct to the duct opening, so that a catheter may be inserted through the port of the interior member with the end of the catheter running into the duct through the opening made by the pointed end of the interior member.
REFERENCES:
patent: 3927660 (1975-12-01), Tegtmeyer
patent: 4222380 (1980-09-01), Terayama
patent: 4326519 (1982-04-01), D'Alo et al.
patent: 4368734 (1983-01-01), Banko
patent: 4393872 (1983-07-01), Reznik et al.
Smith Jeffrey A.
Wilson John J.
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