CATHETER WITH MULTIPLE SPINES OF DIFFERENT LENGTHS ARRANGED IN ONE OR MORE DISTAL ASSEMBLIES

CATHETER WITH MULTIPLE SPINES OF DIFFERENT LENGTHS ARRANGED IN ONE OR MORE DISTAL ASSEMBLIES

A catheter having a distal assembly with multiple spines with proximal ends affixed to the catheter and free distal ends. The spines have different lengths so distal ends of the spines trace different circumferences along an inner tissue surface of a tubular region to minimize risk of vein stenosis....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOITINK, Ryan, GRUNEWALD, Debby Esther, MANRIQUEZ, Armida, DIEP, Nhut, FUIMAONO, Kristine B, DITTER, Tom Allen, JIMENEZ, Eduardo, ESTRADA, Raymond
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A catheter having a distal assembly with multiple spines with proximal ends affixed to the catheter and free distal ends. The spines have different lengths so distal ends of the spines trace different circumferences along an inner tissue surface of a tubular region to minimize risk of vein stenosis. The spine lengths can be configured so that the distal ends trace a helical pattern. The distal assembly may have a plunger which deflects the spines when moved longitudinally relative to the distal assembly. The catheter may include a second distal assembly distal of a first distal assembly wherein the first and second distal assemblies are separated by a fixed distanced or an adjustable distance.