Puncture catheter

Details Puncture catheter Puncture catheter

1988-04-01

1989-08-29

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604 8, 604 53, 604164, A61M 500, A61M 2500

Patent

active

048613363

ABSTRACT:
A puncture catheter for transjugular or transfemoral percutaneous introduction into the lower vena cava is described. The catheter is composed of an outer direction catheter (1) and an inner puncturing catheter (5) introduced into it. The end segment (2) of the direction catheter (1) may be bent at an angle by means of a pulling mechanism (4), and directed toward the wall of the vena cava (V1). The tip of the puncture catheter (5) serves to perforate the wall of the vena cava (V1) and to puncture the portal vein (VP) ventrally crossing the vena cava (VCI). This non-anatomical connection is stabilized by accessory parts, a so-called porto-caval shunt.

REFERENCES:
patent: 2574840 (1951-11-01), Pieri et al.
patent: 4222380 (1980-09-01), Terayama
patent: 4668226 (1987-05-01), Omata et al.

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