Alternative use for Hydrogel Intrasaccular Occlusion Device with Telescoping Central Support Element

• US 20180153554A1
• Filed: 10/30/2017
• Published: 06/07/2018
• Est. Priority Date: 12/05/2016
• Status: Active Grant

• Current Assignee: Daniel E. Walzman
• Original Assignee: Daniel E. Walzman
• Inventors: Walzman, Daniel E.
• Granted Patent: US 10,448,970 B2
• Time in Patent Office: Days
• CPC Class Codes: A61B 17/12031 complete occlusion
• CPC Class Codes: A61B 17/12113 within an aneurysm
• CPC Class Codes: A61B 17/12122 within the heart for closing a cardiac septal defect A61B17/0057
• CPC Class Codes: A61B 17/1214 Coils or wires
• CPC Class Codes: A61B 17/12172 having a pre-set deployed three-dimensional shape methods of manufacturing A61B2017/00526
• CPC Class Codes: A61B 17/12177 comprising additional materials, e.g. thrombogenic, having filaments, having fibers or being coated
• CPC Class Codes: A61B 17/1219 expandable in contact with liquids
• CPC Class Codes: A61B 17/22032 having inflatable gripping elements balloon catheters A61M25/10
• CPC Class Codes: A61B 17/320758 with a rotating cutting instrument, e.g. motor driven A61B17/320725, A61B17/32075 and A61B17/320783 take precedence; for removing intra-ocular material A61F9/00763; endoscopic rotatable cutting instruments A61B17/32002
• CPC Class Codes: A61B 2017/00477 Coupling A61B2017/0046 takes precedence
• CPC Class Codes: A61B 2017/00867 shape memory effect
• CPC Class Codes: A61B 2017/00893 pharmaceutically effective
• CPC Class Codes: A61B 2017/00898 expandable upon contact with fluid
• CPC Class Codes: A61B 2017/00991 Telescopic means
• CPC Class Codes: A61B 2017/1205 Introduction devices
• CPC Class Codes: A61B 2017/1209 detachable by electrical current or potential, e.g. electroactive polymer
• CPC Class Codes: A61B 2017/320716 comprising means for preventing embolism by dislodged material
• CPC Class Codes: A61B 2090/3966 Radiopaque markers visible in an X-ray image
• CPC Class Codes: A61B 2217/005 with suction drainage system
• CPC Class Codes: A61B 2217/007 with irrigation system
• CPC Class Codes: A61F 2/852 : Two or more distinct overlapping stents
• CPC Class Codes: A61F 2/91 : made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
• CPC Class Codes: A61F 2002/823 : Stents, different from stent-grafts, adapted to cover an aneurysm
• CPC Class Codes: A61F 2002/826 : more than one stent being applied sequentially
• CPC Class Codes: A61F 2220/0033 : made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
• CPC Class Codes: A61F 2250/0063 : Nested prosthetic parts
• CPC Class Codes: A61L 2430/06 : for cartilage reconstruction, e.g. meniscus
• CPC Class Codes: A61L 29/145 : Hydrogels or hydrocolloids
• CPC Class Codes: A61L 29/16 : Biologically active materials, e.g. therapeutic substances A61L29/048 takes precedence
• CPC Class Codes: A61L 31/022 : Metals or alloys
• CPC Class Codes: A61L 31/04 : Macromolecular materials
• CPC Class Codes: A61L 31/10 : Macromolecular materials
• CPC Class Codes: A61L 31/125 : having a macromolecular matrix
• CPC Class Codes: A61L 31/14 : Materials characterised by their function or physical properties , e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
• CPC Class Codes: A61L 31/145 : Hydrogels or hydrocolloids
• CPC Class Codes: A61L 31/146 : Porous materials, e.g. foams or sponges
• CPC Class Codes: A61L 31/16 : Biologically active materials, e.g. therapeutic substances A61L31/047 takes precedence
• CPC Class Codes: A61M 2025/0057 : Catheters delivering medicament other than through a conventional lumen, e.g. porous walls or hydrogel coatings
• CPC Class Codes: A61M 2210/125 : Heart
• CPC Class Codes: A61M 25/10 : Balloon catheters A61M25/0125 takes precedence; embolectomy A61B17/22032; retractors A61B17/02; inflatable balloons for placing stents or stent-grafts A61F2/958 ; stomach balloons for treatment of obesity A61F5/0003; oesophagal tubes A61J15/00

Abstract

The present disclosure relates to the field of endovascular treatment. More particularly, the present invention uses a modified hydrogel intrasaccular occlusion device designed to implement an endovascular treatment to ameliorating or eliminating aneurysm recurrence, which hydrogel may optionally be impregnated with pharmaceutical compounds. The present invention also teaches the use of thin hydrogel coatings to ameliorate endovascular treatment related difficulties.

Claims

1. A device for ameliorating aneurysm recurrences by deploying amorphous hydrogel.

2. The device of claim 1, mesh further including reinforcement elements.

3. The extension element of claim 2, wherein said reinforcement elements are radial stiff bars in vertical orientation.

4. The extension element of claim 2, wherein said reinforcement elements are reinforced mesh in vertical orientation.

5. The extension element of claim 2, wherein said reinforcement element is a simple center-support bar.

6. The extension element of claim 5, wherein said center-support bar further includes radial support struts.

7. The extension element of claim 2, wherein said reinforcement element is a telescoping center-support bar.

8. The extension element of claim 2, wherein said reinforcement element is a spring of preset coil capable of straightening in a delivery-sheath catheter.

9. The device of claim 1, wherein said hydrogel is impregnated with pharmaceutical compounds.

10. The device of claim 1, wherein said device comprises a thin coating of hydrogel on any surface exposed to blood or a lumen wall.

11. The device of claim 10, wherein said hydrogel is impregnated with pharmaceutical compounds.

13. A method of using an extension element according to claim 7 for an intrasaccular occlusion tool designed to ameliorate aneurysm recurrences by deploying an amorphous hydrogel, comprising:

(a) providing an insertion rod having a first end and a second end, and

(b) said intrasaccular occlusion tool connected to the first end of the insertion rod,

(c) said intrasaccular occlusion tool having an outer surface and an inner surface,

(d) said outer surface coated with said amorphous hydrogel, and

(e) said intrasaccular occlusion tool being moveable between a retracted position and a deployed position;

(f) inserting said intrasaccular occlusion tool and a portion of the insertion rod into the brain using arterial pathways while said intrasaccular occlusion tool is in a retracted position;

(g) deploying said intrasaccular occlusion tool inside an aneurism such that said intrasaccular occlusion tool is configured to provide a seal between said aneurism and said arterial pathway; and

(h) securing the perimeter of said outer surface of said intrasaccular occlusion tool against a wall of said aneurism.

14. The method of claim 13, wherein said amorphous hydrogel is impregnated with pharmaceutical compounds.

12. A delivery system for a device for ameliorating aneurysm recurrences by deploying amorphous hydrogel, wherein said delivery system is coated with amorphous hydrogel.