Neural injection system and related methods

• US 9,302,072 B2
• Filed: 10/07/2014
• Issued: 04/05/2016
• Est. Priority Date: 09/11/2006
• Status: Active Grant

• Current Assignee: Custom Medical Applications
• Original Assignee: Custom Medical Applications
• Inventors: Racz, N. Sandor
• Primary Examiner(s): LANDRY II, GERALD ERNEST
• Application Number:
  US14/508,416
• Publication Number:
  US 20150025504A1
• Time in Patent Office: 546 Days
• Field of Search: 604/158, 604/164.01, 604/264, 604/506
• US Class Current: 1/1
• CPC Class Codes: A61B 17/3415 for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters A61B17/3417 takes precedence; body piercing catheter guide needles A61M25/06
• 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 18/1492 having a flexible, catheter-like structure, e.g. for heart ablation A61B18/1477 takes precedence
• CPC Class Codes: A61B 2018/00434 Neural system
• CPC Class Codes: A61B 2018/00577 Ablation
• CPC Class Codes: A61B 2018/1425 Needle
• 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 25/007 Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
• CPC Class Codes: A61M 25/0084 being one or more injection needles
• CPC Class Codes: A61M 25/0102 Insertion or introduction using an inner stiffening member, e.g. stylet or push-rod
• CPC Class Codes: A61M 25/0662 Guide tubes
• CPC Class Codes: A61N 1/0551 Spinal or peripheral nerve electrodes

Abstract

A novel neural injection system and related methods are herein disclosed. Various embodiments of an embodiment of a neural injection system of the present invention provide for at least one benefit of enhanced injection characteristics, increased operational efficiency, reduced cost per unit, reduced incidence of injury through intraneural/intravascular injection, reduced incidence of injury through pricking/piercing, and/or the like.

Claims

1. A method for administering a medicament to a patient comprising the steps of:

locating a site for injection;

inserting at least a portion of a neural injection system comprising;

an at least partially hollow cannula being defined by a first inside diameter, a first outside diameter, and a first length, and a side port located coaxially along the lateral axis of the cannula for fluid communication from inside said at least partially hollow cannula to outside said at least partially hollow cannula, wherein said cannula has a rounded open blunt distal end;

a stylet, wherein the stylet is capable of being releasably locked in a first position within said cannula; and

further wherein the stylet is an introducer capable of access across a tissue of a patient that cannot be punctured by the rounded open blunt distal end during a normal insertion procedure; and

injecting the medicament into the patient.

2. The method of claim 1, wherein the stylet further comprises a side port.

3. The method of claim 1, wherein the stylet is retractable.