# US 10,368,889 B2 · Surgical tool

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- Number: US 10,368,889 B2
- Document ID: US10368889B2
- Status: Granted
- Kind: B2
- Application number: 15/615,011
- Filed: 2017-06-06
- Published: 2017-09-21
- Granted: 2019-08-06
- Earliest claimed: 2006-01-23
- Assignees: HeartWare, Inc.
- Applicants: HeartWare, Inc.
- Inventors: Rajesh Pandey
- Web page: https://patentgrep.com/patent/US10368889B2

## CPC

- A61B 17/320016: {Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes (A61B10/0233, A61B17/29, A61B17/3207 take precedence)}
- A61B 17/06109: {Big needles, either gripped by hand or connectable to a handle}
- A61B 17/00008: {Vein tendon strippers (tube strippers A61M1/83)}
- 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)}
- A61B 2017/0046: {with a releasable handle; with handle and operating part separable}
- A61B 2017/320044: {Blunt dissectors}
- A61B 2017/320056: {Tunnelers}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A tunneling device for creating a pathway in subcutaneous tissue of a person's body. The tunneling device includes a member having two ends, where each of the ends defines an insertion surface that facilitates the insertion of the ends into the subcutaneous tissue of the person's body. The tunneling device includes an interchangeable handle connectable to each of the ends. The handle defines a grasping surface and an opening. The opening is configured to receive either of the ends. The grasping surface enables a user to securely hold the handle with one hand to forcibly move the member through the subcutaneous tissue of the person's body to create the pathway in the subcutaneous tissue, and pull a cable of an implant device through the created pathway.

## Claims

### Claim 1

A method of forming a pathway in subcutaneous tissue of a person's body, said method comprising:
(a) providing a semi-rigid member having a length extending between two ends, each of said ends engaged to a collar, each of said collars being secured to the semi-rigid member, and while secured, being independently rotatable as to the length of the semi-rigid member and to each other and each said collar including a tip removably connected to the collar, the tip defining an insertion surface configured to facilitate insertion into the subcutaneous tissue of the person's body, and a tapered dilating surface positioned on the length of the semi-rigid member and is separate from the insertion surface, wherein, once connected, the tip and collar rotate as one relative to the semi-rigid member;
(b) providing a handle connectable to each of said ends of said semi-rigid member, said handle including an actuator operable to cause the handle to be engaged with and disengaged from one of said ends of said semi-rigid member;
(c) activating said actuator;
(d) connecting said handle to one of said ends of said semi-rigid member;
(e) inserting the other of said ends into the subcutaneous tissue of the person's body, said collar and associated tip on said other of said ends, once in the subcutaneous tissue, rotate as one relative to the semi-rigid member;
(f) moving said other of said ends through the subcutaneous tissue of the person's body to create the pathway in the tissue of the body, the pathway sized by the tapered dilating surface to facilitate pulling a cable of a medical device implanted in the body;
(g) connecting the cable of the medical device implanted in the body to said other of said ends; and
(h) moving said cable through the pathway created in the body using said handle.

### Claim 2 (depends on 1)

The method of claim 1, which includes connecting a coupler to one of said ends of said semi-rigid member and to an end of said cable.

### Claim 3 (depends on 1)

The method of claim 1, which includes connecting the removable tip to each of said collars, each of said removable tips defining the insertion surface.