# US 8,540,616 B2 · Ventricular assist device and related methods

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- Number: US 8,540,616 B2
- Document ID: US8540616B2
- Status: Granted
- Kind: B2
- Application number: 12/938,030
- Filed: 2010-11-02
- Published: 2011-06-02
- Granted: 2013-09-24
- Earliest claimed: 2008-05-05
- Assignees: Coherex Medical, Inc.
- Applicants: Brian K. Whisenant; Richard J. Linder; Scott D. Miles; David L. Stott; Randall K. Jones
- Inventors: Brian K. Whisenant; Richard J. Linder; Scott D. Miles; David L. Stott; Randall K. Jones
- Web page: https://patentgrep.com/patent/US8540616B2

## CPC

- A61M 60/148: in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
- A61B 17/00234: {for minimally invasive surgery (A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence)}
- A61B 17/11: for performing anastomosis; Buttons for anastomosis
- A61M 27/002: {Implant devices for drainage of body fluids from one part of the body to another (intraocular A61F9/00781; middle ear A61F11/202)}
- A61M 60/165: implantable in, on, or around the heart
- A61M 60/216: including a rotating member acting on the blood, e.g. impeller
- A61M 60/508: Electronic control means, e.g. for feedback regulation
- A61M 60/88: Percutaneous cables
- A61B 2017/00243: {cardiac}
- A61B 2017/00252: {for by-pass connections, i.e. connections from heart chamber to blood vessel or from blood vessel to blood vessel}
- A61B 2017/00292: {mounted on or guided by flexible, e.g. catheter-like, means}
- A61B 2017/1107: {for blood vessels}
- A61B 2017/1135: {End-to-side connections, e.g. T- or Y-connections}
- A61B 2017/3425: {for internal organs, e.g. heart ports}
- A61B 2017/3484: {Anchoring means, e.g. spreading-out umbrella-like structure}
- A61B 2017/3488: {Fixation to inner organ or inner body tissue}
- A61F 2/06: Blood vessels
- A61F 2/064: {with special features to facilitate anastomotic coupling (anastomosis of natural blood vessels A61B17/11)}
- A61M 2205/32: with radio-opaque indicia
- A61M 2205/3334: Measuring or controlling the flow rate
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)

## Abstract

A method and system are provided for percutaneously gaining access to oxygenated blood with one or more anastomosis devices and pumping such oxygenated blood directly to the aorta adjacent to the right atrium or left atrium via a VAD system. In one embodiment, a VAD system can be implanted with open surgery.

## Claims

### Claim 1

A method for percutaneously connecting a ventricular assist device to a heart, the method comprising:
accessing a right atrium of the heart with a catheter;
puncturing a septum of the heart to access oxygenated blood in a left atrium of the heart;
implanting a first anastomosis device in the septum;
puncturing the heart to access an aortic artery, where the aortic artery is adjacent to the heart;
implanting a second anastomosis device to maintain access to the aortic artery;
connecting a pumping device and at least one conduit, the at least one conduit positioned in the right atrium to extend between the first anastomosis device and the second anastomosis device, the pumping device configured to pump arterial blood from the left atrium to the aortic artery;
withdrawing the catheter from the heart over a filament extending from the pumping device; and
securing the filament to a controller to be exposed on the patient, the controller for controlling the pumping device.

### Claim 2 (depends on 1)

The method according to claim 1, further comprising accessing the right atrium of the heart with a second catheter to perform the puncturing the heart to access the aortic artery.

### Claim 3 (depends on 2)

The method according to claim 2, further comprising accessing the right atrium of the heart with a third catheter to perform the connecting the pumping device and the at least one conduit between the first anastomosis device and the second anastomosis device.

### Claim 4 (depends on 1)

The method according to claim 1, further comprising snaring the filament with a snare device and pulling the filament through the superior vena cava to be exposed at an upper region of the patient to interconnect with the controller.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the implanting the first anastomosis device and the implanting the second anastomosis device is performed with a common catheter.

### Claim 6 (depends on 1)

The method according to claim 1, wherein the connecting the pump and the at least one conduit is performed with a common catheter.

### Claim 7

A method for percutaneously connecting a ventricular assist device to a heart, the method comprising:
accessing a right atrium of the heart with a catheter;
puncturing a septum of the heart to access oxygenated blood in a left atrium of the heart;
implanting a first anastomosis device in the septum;
puncturing the heart to access an aortic artery, where the aortic artery is adjacent to the heart;
implanting a second anastomosis device to maintain access to the aortic artery;
connecting a pumping device and at least one conduit, the at least one conduit positioned in the right atrium to extend between the first anastomosis device and the second anastomosis device, the pumping device configured to pump arterial blood from the left atrium to the aortic artery;
accessing the right atrium of the heart with a second catheter to perform the puncturing of the heart to access the aortic artery; and
accessing the right atrium of the heart with a third catheter to perform the connecting the pumping device and the at least one conduit between the first anastomosis device and the second anastomosis device.

### Claim 8 (depends on 7)

The method according to claim 7, further comprising withdrawing the catheter from the heart over a filament extending from the pumping device.

### Claim 9 (depends on 8)

The method according to claim 8, further comprising securing the filament to a controller to be exposed on the patient, the controller for controlling the pumping device.

### Claim 10 (depends on 9)

The method according to claim 9, further comprising snaring the filament with a snare device and pulling the filament through the superior vena cava to be exposed at an upper region of the patient to interconnect with the controller.

### Claim 11 (depends on 7)

The method according to claim 7, wherein the implanting the first anastomosis device and the implanting the second anastomosis device is performed with a common catheter.

### Claim 12 (depends on 7)

The method according to claim 7, wherein the connecting the pump and the at least one conduit is performed with a common catheter.

### Claim 13

A method for percutaneously connecting a ventricular assist device to a heart, the method comprising:
accessing a right atrium of the heart with a catheter;
puncturing a septum of the heart to access oxygenated blood in a left atrium of the heart;
implanting a first anastomosis device in the septum;
puncturing the heart to access an aortic artery, where the aortic artery is adjacent to the heart;
implanting a second anastomosis device to maintain access to the aortic artery;
connecting a pumping device and at least one conduit, the at least one conduit positioned in the right atrium to extend between the first anastomosis device and the second anastomosis device, the pumping device configured to pump arterial blood from the left atrium to the aortic artery;
withdrawing the catheter from the heart over a filament extending from the pumping device; and
snaring the filament with a snare device and pulling the filament through the superior vena cava to be exposed at an upper region of the patient to interconnect with a controller, the controller for controlling the pumping device.

### Claim 14 (depends on 13)

The method according to claim 13, further comprising accessing the right atrium of the heart with a second catheter to perform the puncturing the heart to access the aortic artery.

### Claim 15 (depends on 14)

The method according to claim 14, further comprising accessing the right atrium of the heart with a third catheter to perform the connecting the pumping device and the at least one conduit between the first anastomosis device and the second anastomosis device.

### Claim 16 (depends on 13)

The method according to claim 13, further comprising securing the filament to the controller to be exposed on the patient.

### Claim 17 (depends on 13)

The method according to claim 13, wherein the implanting the first anastomosis device and the implanting the second anastomosis device is performed with a common catheter.

### Claim 18 (depends on 13)

The method according to claim 13, wherein the connecting the pump and the at least one conduit is performed with a common catheter.
