DELIVERY SYSTEMS AND METHODS FOR GASTRIC REDUCTION

• US 20110213385A1
• Filed: 05/16/2011
• Published: 09/01/2011
• Est. Priority Date: 12/11/2002
• Status: Abandoned Application

• Current Assignee: USGI Medical, Inc.
• Original Assignee: USGI Medical, Inc.
• Inventors: SAADAT, Vahid, CHEN, Eugene, EWERS, Richard C.
• Application Number:
  US13/108,270
• Publication Number:
  US 20110213385A1
• Time in Patent Office: Days
• US Class Current: 606/145
• CPC Class Codes: A61B 17/00234 for minimally invasive surgery A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/0401 Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811
• CPC Class Codes: A61B 17/0487 Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks suture anchors A61B17/0401; wound clamps or clips A61B17/08; ligaturing clamps or clips A61B17/122
• CPC Class Codes: A61B 17/0644 penetrating the tissue, deformable to closed position
• CPC Class Codes: A61B 17/3468 for implanting or removing devices, e.g. prostheses, implants, seeds, wires devices for implanting seeds A61M37/0069
• CPC Class Codes: A61B 17/3478 Endoscopic needles, e.g. for infusion biopsy needles A61B10/0233; catheters with injection needles A61M25/0067
• CPC Class Codes: A61B 2017/0404 Buttons
• CPC Class Codes: A61B 2017/0417 T-fasteners
• CPC Class Codes: A61B 2017/0419 H-fasteners
• CPC Class Codes: A61B 2017/0458 Longitudinal through hole, e.g. suture blocked by a distal suture knot
• CPC Class Codes: A61B 2017/0464 for soft tissue
• CPC Class Codes: A61B 2017/0496 for tensioning sutures
• CPC Class Codes: A61B 2017/061 hollow or tubular
• CPC Class Codes: A61B 2017/3488 Fixation to inner organ or inner body tissue

Abstract

A delivery catheter for a gastric reduction system includes an elongate torqueable tube, a needle translatably disposed within the torqueable tube, an anchor translatably disposed within the needle and a stabilization device for holding a distal tip of the torqueable tube against a tissue wall.

Claims

1. A delivery catheter comprising:

an elongate torqueable tube having a back end and a front end;

a needle translatably disposed within the tube, with the needle having a penetrating tip;

at least one anchor translatably disposed within the needle, and moveable out of the penetrating tip of the needle; and

a coil on a front end of a shaft that is translatably disposed within a lumen in said tube, said coil being extendible out of the front end of the tube.

2. The delivery catheter of claim 1, wherein the tube is formed of a braided wire.

3. The delivery catheter of claim 1, wherein the tube contains a plurality of slots disposed substantially perpendicular to a longitudinal axis of the tube.

4. The delivery catheter of claim 3, wherein the slots are formed in a sinusoidal pattern.

5. The delivery catheter of claim 3, wherein the slot density is increased near a distal end of the tube.

6. The delivery catheter of claim 1, wherein the coil includes a sharpened distal tip to facilitate tissue penetration.

7. The delivery catheter of claim 1, wherein the coil comprises a plurality of coils that form a central opening for the passage of the needle.

8. The delivery catheter of claim 1, wherein the coil and needle are substantially coaxial.

9. The delivery catheter of claim 1, further comprising a push rod translatably disposed within the needle and adapted to push the anchor out of a distal end of the needle.

10. A catheter comprising:

a tube having a front end and a back end;

a needle within the tube and having a tip extendible out of the front end of the tube;

at least one anchor positioned within the needle and moveable out of the needle during a surgical procedure;

a suture connected to one or more of the anchors, and with the suture extending within the needle towards the back end of the needle; and

a coil on a front end of a shaft that is translatably disposed within a lumen in said tube, said coil being extendible out of the front end of the tube.

11. The catheter of claim 10 wherein the tube is torqueable and is formed of braided wire.

12. The catheter of claim 10 wherein the tube contains a plurality of slots extending substantially perpendicular to a longitudinal axis of the tube, to increase the flexibility of the tube.

13. The catheter of claim 10, wherein said coil has a sharp tip.

14. The catheter of claim 13 with the needle having a penetrating tip adjacent to the front end of the tube.

15. The catheter of claim 13 with the needle positioned to extend out of the front end of the tube and through the coil.

16. The catheter of claim 10 further comprising a push rod longitudinally moveable within the needle for pushing one or more anchors out of the tip of the needle.

17. A catheter comprising:

a torqueable tube having a front end and a back end;

a handle attached adjacent to the back end of the tube;

a hollow needle within the tube and having a piercing tip extendible out of the front end of the tube;

one or more anchors within the needle, with the anchor moveable out of the piercing tip of the needle;

an anchor ejector within the needle;

a suture connected to the anchor and leading out towards the handle;

a needle control on the handle linked to the needle, for moving the needle within the tube;

an anchor ejector control on the handle linked to the anchor ejector; and

a coil on a front end of a shaft that is translatably disposed within a lumen in said tube, said coil being extendible out of the front end of the tube.