Patent ID: 9682218
Date: 2017-06-20
CPC Classifications: A61B,A61M

Claim:
1. An injection catheter assembly comprising: an elongate flexible outer tube body including: a distal length configured to indwell a patient body trunk cavity; and at least one body lumen extending longitudinally through at least a lengthwise portion of the distal length, the body lumen substantially defined by an inner diameter surface of the outer tube body; wherein at least one portion of the distal length is configured as an injection portion that includes at least one outer tube body surface with at least one fenestration, the at least one fenestration including a first fenestration at a location distal of a sealing cuff on the outer tube body surface, the outer tube body surface constructed to permit passage therethrough of a sclerotic agent; and a flexible, curved inner cannula body dimensioned for passage through the body lumen of the outer tube body, the inner cannula body being fully removably insertable through the first fenestration into the body lumen of the outer tube body, the inner cannula body including: a memory-material portion imposing a pre-determined curve along a length of the inner cannula body; an injection lumen extending longitudinally through at least a lengthwise portion of the inner cannula body; at least one distal-region opening configured for dispensing a medicament; a first state where the distal-region opening of the inner cannula body is outside of the outer tube body; and a second state wherein the inner cannula body is disposed through the first fenestration at the location distal of the sealing cuff, into the body lumen, and through at least a lengthwise portion of the distal outer tube body length, so that: