Blood vessel dilator

Details Blood vessel dilator Blood vessel dilator

1992-06-19

1995-04-04

Pellegrino, Stephen C.

Surgery

Instruments

Internal pressure applicator

604 96, A61M 2900

Patent

active

054033390

ABSTRACT:
A blood vessel dilator so thin in outside dameter as the "on the wire" type catheter retaining a sufficiently wide liquid lumen and highly manipulatable at branched parts of blood vessels by a separately turnable guide wire and hence readily inserted even into narrow perpheral blood vessels.
This blood vessel dilator comprises a main tube; a distal-end tube put in the distal end portion of the main tube with its front end portion protruding out of the distal end of the main tube; a dilatation element with its front end portion connected to the front end portion of the distal-end tube and its rear end portion to the distal end portion of the main tube; a resilient core member put through the inside of the main tube and distal-end tube; a leading guide provided at the distal end portion of the resilient core member; a main-tube hub connected to the proximal end of the main tube; and a core-member hub connected to the proximal end of the resilient core member and secured to the main-tube hub turnably with respect to the main tube.

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patent: 4932959 (1990-06-01), Horzewski et al.
patent: 4998923 (1991-03-01), Samson et al.
patent: 5032113 (1991-07-01), Burns
patent: 5246420 (1993-09-01), Kraus et al.

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