Deflation and removal of implantable medical devices

• US 9,050,174 B2
• Filed: 07/23/2010
• Issued: 06/09/2015
• Est. Priority Date: 07/23/2009
• Status: Active Grant

• Current Assignee: Boston Scientific Scimed (Boston Scientific Corporation)
• Original Assignee: Reshape Medical, Inc. (ReShape LifeSciences, Inc.)
• Inventors: Pecor, Robert, Kwok, Jason, Ashby, Mark
• Primary Examiner(s): Woo, Julian W
• Assistant Examiner(s): PAEZ, LUCAS M
• Application Number:
  US13/386,638
• Publication Number:
  US 20120184981A1
• Time in Patent Office: 1,782 Days
• Field of Search: 606/127, 606/128, 606/184, 606/185, 606/192, 606/194, 604/22, 604/164.01, 604/164.02, 604/96.01, 604/97.01
• US Class Current: 1/1
• 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: A61F 5/0089 Instruments for placement or removal
• CPC Class Codes: A61M 2025/0079 Separate user-activated means, e.g. guidewires, guide tubes, balloon catheters or sheaths, for sealing off an orifice, e.g. a lumen or side holes, of a catheter
• CPC Class Codes: A61M 2025/0095 being one or more needles protruding from the distal tip and which are not used for injection nor for electro-stimulation, e.g. for fixation purposes
• CPC Class Codes: A61M 2025/1054 having detachable or disposable balloons
• CPC Class Codes: A61M 25/0068 Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
• CPC Class Codes: A61M 25/007 Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
• 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

A deflation catheter device, comprising: a catheter tube having a proximal end and a distal end; a stylet disposed within the catheter tube; a stylet handle attached to the stylet; and a y-connector disposed near a proximal end of the catheter tube, configured to provide fluid communication from the distal end of the catheter tube and a suction port, and configured to provide access for the stylet from the proximal end of the catheter tube to the distal end of the catheter tube.

Claims

1. A method of deflating a balloon, comprising:

providing a deflation catheter device comprising a catheter tube having a lumen and a stylet within the catheter tube;

delivering the deflation catheter to an implanted balloon device with the stylet being retracted relative to the distal end of the catheter tube;

positioning the catheter tube against a surface of the implanted balloon device;

actuating a handle to advance the stylet relative to the catheter tube and the implanted balloon device, whereby the stylet contacts and punctures a wall of the implanted balloon device;

advancing at least a portion of the catheter tube through the wall of the implanted balloon device; and

aspirating fluid from within the implanted balloon device through the lumen from a distal end thereof to a suction port at a proximal end of the lumen without removing the stylet from the catheter tube.

2. The method of claim 1, wherein actuating the handle simultaneously rotates the stylet.

3. The method of claim 1, further comprising:

retracting the stylet within the lumen to be concealed by the distal end of the lumen.

4. The method of claim 1, further comprising:

removing the deflation catheter from the balloon.

5. The method of claim 1, further comprising:

reusing the deflation catheter to deflate additional balloons without reloading the stylet into the catheter tube.

6. The method of claim 4, further comprising:

retrieving the implanted balloon device from an implant location.