Medical intromission kit

Details Medical intromission kit Medical intromission kit

1989-04-26

1990-10-30

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604167, 604264, A61M 532

Patent

active

049665871

ABSTRACT:
The medical intromission kit comprises an inner sleeve (10), a distal end portion (13) of which tapers externally in the distal direction, the outer sleeve (30), a sleeve (20) intermediate the inner and outer sleeves (10, 30), a seal means (34) at a proximal end portion of the outer sleeve (30) to receive therethrough at least the inner sleeve (10) so as to occlude completely the inner lumen of the outer sleeve (30), and a proximal outer shoulder (15) having an outside diameter not larger than the outside diameter of the intermediate sleeve (20), provided on the distal end portion (13) of the inner sleeve (10), the three sleeves (10, 20, 30) being formed of flexible material and being arranged coaxially for relative axial displacement one within the other between a retracted position wherein the intermediate sleeve (20) is withdrawn into the outer sleeve (30) with the distal end portion (33) of the outer sleeve (30) abutting the proximal outer shoulder (15 ) of the inner sleeve (10) and being no larger in diameter than the shoulder (15), and an extended position wherein the distal end portion (22) of the intermediate sleeve (20) extends at least to the distal end of the outer sleeve (30) which is enlarged elastically thereby.

REFERENCES:
patent: 3030953 (1962-04-01), Koehn
patent: 3500828 (1970-03-01), Podhora
patent: 4250881 (1981-02-01), Smith
patent: 4430081 (1984-02-01), Timmermans

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