Catheter with an expandable end portion

Details Catheter with an expandable end portion Catheter with an expandable end portion

2006-07-05

2010-11-23

Barrett, Thomas C (Department: 3775)

Surgery

Instruments

Means for inserting or removing conduit within body

C606S127000, C606S198000, C606S185000, C606S200000, C604S104000, C604S264000, C604S523000, C604S524000, C600S200000, C600S201000

Reexamination Certificate

active

07837692

ABSTRACT:
A catheter (2) is used in medical applications, for example for the retrieval of a sample from a patient or the insertion or retrieval of medical devices such as filters, stents (3) to and from the patient. The catheter (2) includes an expandable tip (6) at a leading portion of a catheter tube portion (5). This expandable tip (6) can retrieve or deliver samples, medical devices, etc. (3), which are slightly larger than the dimensions of a main catheter tube (5) inserted into the patient. The expandable tip (6) can also include extension members (10) which provide axial support to the expandable tip (6) but which still allow expansion in the radial direction.

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