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Generated: September 22, 2017

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Title:Energy facilitated composition delivery
Abstract: A device for delivering a composition to a hollow body region is disclosed. In one aspect, the device comprises a first longitudinal member and a second longitudinal member. Both of the longitudinal members may comprise conductive electrodes. The longitudinal members are further configured to be connected to an energy source such that the conductive electrodes are configured to generate an energy field. At least one of the longitudinal members further comprises a delivery element configured to deliver at least one composition to the body region, such that the composition is delivered in a direction that is influenced by the generated energy field. In one aspect, the body region is a vessel comprising an occlusion.
Inventor(s): Ogata; Wayne (San Ramon, CA), Katoh; Osamu (Toyohashi, JP)
Assignee: RetroVascular, Inc. (Pleasanton, CA)
Application Number:13/560,841
Patent Claims:1. A method for delivering a composition to a body region, comprising: advancing a first longitudinal member coupled to an energy source and comprising a first conductive electrode into the body region; advancing a second longitudinal member coupled to the energy source and non-overlapping with the first longitudinal member into the body region, the second longitudinal member comprising a second conductive electrode, wherein the first longitudinal member or the second longitudinal member comprises a delivery element configured to deliver at least one composition to the body region; generating an energy field using the first conductive electrode and the second conductive electrode; and delivering the composition to the body region after generating the energy field such that migration of the composition in the body region is in a direction influenced by the generated energy field.

2. The method of claim 1, wherein the energy source is a radiofrequency energy source and the first conductive electrode is an active electrode and the second conductive electrode is a passive electrode.

3. The method of claim 1, wherein the delivering the composition further comprises delivering the composition in a direction from the first conductive electrode to the second conductive electrode.

4. The method of claim 1, wherein the delivering the composition further comprises delivering the composition in a bi-directional fashion between the first and second conductive electrodes.

5. The method of claim 1, further comprising transmitting the composition to the delivery element from at least one reservoir configured to hold the composition.

6. The method of claim 5, wherein the at least one reservoir is connected to the delivery element through one or more lumens disposed within the first or the second longitudinal members.

7. The method of claim 1, wherein the longitudinal members are guidewires, catheters, micro-catheters, or dilating catheters.

8. The method of claim 1, wherein the energy source is configured to generate an electric field, a magnetic field, or an ultrasonic field.

9. The method of claim 1, wherein the composition is a conductive fluid and the conductive fluid forms an energy path between the first conductive electrode and the second conductive electrode.

10. The method of claim 9, wherein the energy path facilitates energy transmission between the first and the second conductive electrodes.

11. The method of claim 9, wherein the conductive fluid is configured to ablate a portion of the body region.

12. The method of claim 9, wherein the conductive fluid is saline.

13. The method of claim 1, wherein the first longitudinal member is advanced into the body region in an antegrade direction fashion and the second longitudinal member is advanced into the body region in a retrograde direction fashion.

14. The method of claim 1, wherein the body region is a vessel comprising an occlusion.

15. The method of claim 1, wherein the composition is collagenase.

16. A method for delivering a composition to a body region, comprising: advancing a first longitudinal member coupled to an energy source and comprising a first conductive electrode into the body region in an antegrade direction; advancing a second longitudinal member coupled to the energy source and non-overlapping with the first longitudinal member into the body region in a retrograde direction, the second longitudinal member comprising a second conductive electrode, wherein the first longitudinal member or the second longitudinal member comprises a delivery element configured to deliver at least one composition to the body region; generating an energy field using the first conductive electrode and the second conductive electrode; and delivering the composition to the body region in a direction based on the generated energy field.

17. A method for delivering a composition to a body region, comprising: advancing a first longitudinal member coupled to an energy source and comprising a first conductive electrode into the body region, wherein the body region is a vessel comprising an occlusion; advancing a second longitudinal member coupled to the energy source and non-overlapping with the first longitudinal member into the body region, the second longitudinal member comprising a second conductive electrode, wherein the first longitudinal member or the second longitudinal member comprises a delivery element configured to deliver at least one composition to the body region; generating an energy field using the first conductive electrode and the second conductive electrode; and delivering the composition to the body region in a direction based on the generated energy field.

18. A method for delivering a composition to a body region, comprising: advancing a first longitudinal member coupled to an energy source and comprising a first conductive electrode into the body region; advancing a second longitudinal member coupled to the energy source and non-overlapping with the first longitudinal member into the body region, the second longitudinal member comprising a second conductive electrode, wherein the first longitudinal member or the second longitudinal member comprises a delivery element configured to deliver at least one composition to the body region; generating an energy field using the first conductive electrode and the second conductive electrode; and delivering the composition to the body region in a direction based on the generated energy field, wherein the composition is collagenase.

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Inventors Patent Expiration Status Orphan Source
Advance Biofactures
SANTYL
collagenase
VIAL1019950011965-06-04► Subscribe RetroVascular, Inc. (Pleasanton, CA) Ogata; Wayne (San Ramon, CA), Katoh; Osamu (Toyohashi, JP) ► SubscribeRXsearch
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International Patent Family for Patent: ► Subscribe

Country Document Number Publication Date
Australia2008304599Apr 02, 2009
Australia2008304599Nov 22, 2012
Canada2700968Apr 02, 2009
Canada2795256Oct 06, 2011
China103037795Apr 10, 2013
China103037795Nov 25, 2015
China105250022Jan 20, 2016
European Patent Office2197383Aug 22, 2012
European Patent Office2197383Jun 23, 2010
European Patent Office2552336Feb 06, 2013
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