초록 ▼

An introducer guide 15 for introducing medical items into an internal tissue of a patient is provided. The guide 15 includes a cannula 20 defining a lumen sized to receive the item and a lateral opening 24. A ramp is disposed within the lumen adjacent and inclined toward the lateral opening 24. A hu

An introducer guide 15 for introducing medical items into an internal tissue of a patient is provided. The guide 15 includes a cannula 20 defining a lumen sized to receive the item and a lateral opening 24. A ramp is disposed within the lumen adjacent and inclined toward the lateral opening 24. A hub 40' is attached to the second end 22 of the cannula 20. The hub 40' includes a gripping portion 41' configured to be held when inserting and positioning the introducer 15. The gripping portion 41' has a length l.sub.gp sufficient for gripping and a tactile indicator 44 disposed along substantially the entire length l.sub.gp of the gripping portion 41 on the hub 40'. The indicator 44 has a fixed angular relationship with the lateral opening 24. The invention also includes methods for obtaining a biopsy sample and methods for treating lesions.

대표청구항 ▼

[ What is claimed is:] [1.]1. An introducer guide for introducing medical items into an internal tissue of a patient, comprising:a cannula having a first end and a second end and defining a lumen therebetween opening at an aperture at said second end, said lumen sized to receive the item, said cannu

[ What is claimed is:] [1.]1. An introducer guide for introducing medical items into an internal tissue of a patient, comprising:a cannula having a first end and a second end and defining a lumen therebetween opening at an aperture at said second end, said lumen sized to receive the item, said cannula defining a lateral opening in communication with said lumen adjacent said first end, said lumen sized and configured to allow exit of the item;a ramp disposed within said lumen adjacent and inclined toward said lateral opening; anda hub attached to the second end of the cannula, said hub including a gripping portion configured to be held when inserting and positioning the introducer, said gripping portion having a length sufficient for gripping, said hub defining a channel having a first end and a second end, the first end of the channel in communication with the aperture for delivering the item to said lumen; anda tactile indicator disposed along substantially the entire length of said gripping portion on said hub, said indicator having a fixed angular relationship with said lateral opening.