Method for positioning terminal end of pacemaker lead, which has passed through coronary sinus, in interventricular septum

• US 10,335,589 B2
• Filed: 06/16/2015
• Issued: 07/02/2019
• Est. Priority Date: 07/22/2014
• Status: Active Grant

• Current Assignee: Tau Pnu Medical Co., Ltd.
• Original Assignee: Tau Pnu Medical Co., Ltd.
• Inventors: Kim, June-Hong
• Primary Examiner(s): David, Shaun
• Assistant Examiner(s): Byrd, Brigid K
• Application Number:
  US15/328,046
• Publication Number:
  US 20170209686A1
• Time in Patent Office: 1,477 Days
• Field of Search: 600585
• CPC Class Codes: A61B 17/34 Trocars; Puncturing needles pointed biopsy instruments A61B10/0233; devices for piercing the ear-lobes A44C7/001; seals or hemostasis valves A61M39/06
• 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 2017/00247 Making holes in the wall of the heart, e.g. laser Myocardial revascularization
• CPC Class Codes: A61B 2017/00252 for by-pass connections, i.e. connections from heart chamber to blood vessel or from blood vessel to blood vessel
• CPC Class Codes: A61B 2017/22044 with a pointed tip
• CPC Class Codes: A61B 2017/22069 Immobilising; Stabilising
• CPC Class Codes: A61B 2017/3405 using mechanical guide means
• 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 2025/0096 being laterally outward extensions or tools, e.g. hooks or fibres
• CPC Class Codes: A61M 2025/1052 for temporarily occluding a vessel for isolating a sector
• CPC Class Codes: A61M 2025/1079 having radio-opaque markers in the region of the balloon
• CPC Class Codes: A61M 2025/1093 having particular tip characteristics
• CPC Class Codes: A61M 25/003 characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves catheter tips A61M25/0067
• CPC Class Codes: A61M 25/0041 pre-formed, e.g. specially adapted to fit with the anatomy of body channels urethral catheters A61F2/04
• CPC Class Codes: A61M 25/007 Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
• CPC Class Codes: A61M 25/0071 Multiple separate lumens multiple separate lumens throughout the catheter A61M25/0026
• CPC Class Codes: A61M 25/0074 Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
• CPC Class Codes: A61M 25/0082 Catheter tip comprising a tool
• CPC Class Codes: A61M 25/0108 using radio-opaque or ultrasound markers
• CPC Class Codes: A61M 25/0194 : Tunnelling catheters
• CPC Class Codes: A61M 25/04 : in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence
• 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
• CPC Class Codes: A61N 1/05 : for implantation or insertion into the body, e.g. heart electrode A61N1/06 takes precedence
• CPC Class Codes: A61N 1/056 : Transvascular endocardial electrode systems
• CPC Class Codes: A61N 1/0565 : Electrode heads

Abstract

The present invention relates to a method for positioning a tip of a pacemaker lead that has passed through coronary sinus into an interventricular septum. More particularly, it relates to a method for positioning a tip of a pacemaker lead that has passed through a coronary sinus into an interventricular septum in order to more effectively transmit an electrical stimulus in a treatment using a pacemaker for patients with arrhythmia.

A method of positioning a tip of a pacemaker lead, which has passed through a coronary sinus, into an interventricular septum, in order to effectively transmit electrical stimulus, includes: inserting into an intervention wire through a superior vena cava and a coronary sinus to pass through the interventricular septum and then guiding the intervention wire to an inferior vena cava; and positioning the tip of the lead into the interventricular septum by inserting the pacemaker lead along the intervention wire.

Claims

1. A method of positioning a tip of a pacemaker lead, which has passed through a coronary sinus, into an interventricular septum where a conduction system of a heart is positioned, in order to effectively transmit electrical stimulus, the method comprising:

a step of positioning an intervention wire inserted through a superior vena cava and a coronary sinus into a right ventricle of a heart through an interventricular septum;

a step of inserting a safe zone catheter inserted in an inferior vena cava into the right ventricle through a right atrium and a safe zone of a tricuspid valve;

a step of inserting a guide wire through the safe zone catheter;

a step of pulling out the safe zone catheter toward the inferior vena cava with the guide wire maintained in the right ventricle of the heart;

a step of capturing the intervention wire with a capture catheter inserted along the guide wire;

a step of pulling out the intervention wire captured by the capture catheter toward the inferior vena cava by pulling out the capture catheter toward the inferior vena cava with the guide wire maintained in the right ventricle of the heart; and

a step of holding both ends of the intervention wire and positioning the tip of the lead into the interventricular septum by inserting the pacemaker lead along the intervention wire.

2. The method of claim 1, wherein the step of positioning an intervention wire includes a step of finding a septal vein positioned in the interventricular septum by inflating a balloon at a front end of a balloon-tipped guiding catheter to block and contrast the coronary sinus by injecting air into the balloon from the outside.

3. The method of claim 1, wherein the step of positioning an intervention wire includes a step of boring that uses an interventricular septum lumen catheter to bore the interventricular septum.

4. The method of claim 1, wherein the safe zone catheter further comprises a blocking member disposed on the distal end of the safe zone catheter.

5. The method of claim 4, wherein the blocking member of the safe zone catheter is in the shape of a balloon or a pig tail.

6. The method of claim 1, wherein a mesh that is expanded or contracted by operation from the outside is formed at the capture catheter.

7. The method of claim 1, the capture catheter includes:

a central lumen catheter having a hole therein for inserting a wire;

an outer catheter moving up and down along the central lumen catheter; and

a mesh having an upper portion closed and fixed to the central lumen catheter and a lower portion closed and fixed to the outer catheter.

8. The method of claim 1, wherein a hole for inserting the intervention wire is formed in the pacemaker lead and the tip of the pacemaker lead is pointed to easily penetrate the interventricular septum tissues.

9. A method of positioning a tip of a pacemaker lead, which has passed through a coronary sinus, into an interventricular septum where a conduction system of a heart is positioned, in order to effectively transmit electrical stimulus, the method comprising:

positioning an intervention wire inserted through a superior vena cava and a coronary sinus into a right ventricle of a heart through an interventricular septum;

inserting a catheter inserted in an inferior vena cava into the right ventricle through a right atrium and a safe zone of a tricuspid valve and then capturing the intervention wire using a capturing unit of the catheter;

pulling out the catheter toward the inferior vena cava by pulling out the intervention wire captured by the catheter toward the inferior vena cava; and

positioning the tip of the lead into the interventricular septum by holding both ends of the intervention wire and inserting the lead of the pacemaker along the intervention wire.

10. The method of claim 9, wherein the step of positioning an intervention wire includes a step of finding a septal vein positioned in the interventricular septum by inflating a balloon at a front end of a balloon-tipped guiding catheter to block and contrast the coronary sinus by injecting air into the balloon from the outside.

11. The method of claim 9, wherein the step of positioning an intervention wire includes a step of boring that uses an interventricular septum lumen catheter to bore the interventricular septum.

12. The method of claim 9, wherein a mesh that is expanded or contracted by operation from the outside is formed at the capturing unit.

13. The method of claim 9, the capture catheter includes:

a central lumen catheter having a hole therein for inserting a wire;

an outer catheter moving up and down along the central lumen catheter; and

a mesh having an upper portion closed and fixed to the central lumen catheter and a lower portion closed and fixed to the outer catheter.

14. The method of claim 9, wherein a hole for inserting the intervention wire is formed in the pacemaker lead and the tip of the pacemaker lead is pointed to easily penetrate the interventricular septum tissues.

15. A method of positioning a tip of a pacemaker lead, which has passed through a coronary sinus, into an interventricular septum, in order to effectively transmit electrical stimulus, the method comprising:

a step of inserting an intervention wire through a superior vena cava and a coronary sinus to pass through the interventricular septum and then guiding the intervention wire to an inferior vena cava; and

a step of positioning the tip of the lead into the interventricular septum by inserting the pacemaker lead along the intervention wire.