Bradford George Staehle

US Patent:

6383211, May 7, 2002

Filed:

Sep 12, 2000

Appl. No.:

09/659354

Inventors:

Bradford G. Staehle - Minnetonka MN

Assignee:

American Medical Systems, Inc. - Minnetonka MN

International Classification:

A61F 206

US Classification:

623 111, 606108

Abstract:

An instrument places a stent axially and is reusable with different size stents. A loop on an arm extends tangentially so at least one bore aligns axially. A tab extends from the arm axially and from the loop in a plane. A ring on a limb extends tangentially and has an axially aligned hole in a plane. A bracket extends from the tab over and in front of the limb. A tube extends for coaxial deposition axially, into the bore and the hole locating the ring forward of the loop. An end on the tube opposite the bore grips the stent. A sheath coaxial to the tube slides along the end and extends from the hole. A sheath cavity near the end is for the stent. A shaft in the plane attaches to the bracket parallel and axially conjugates with the limb and arm prevents rotation. An axial control in the arm for selective movement relative to the shaft adjusts the position of the shaft to the arm. A latch on the bracket secures the limb axially for loading and delivering the stent.

US Patent:

6471718, Oct 29, 2002

Filed:

Oct 16, 2000

Appl. No.:

09/688510

Inventors:

Bradford G. Staehle - Minnetonka MN
Anthony J. Ferrazzo - New Prague MN
John H. Burton - Minnetonka MN

Assignee:

American Medical Systems, Inc. - Minnetonka MN

International Classification:

A61F 206

US Classification:

623 111, 623909

Abstract:

A device for loading a self expanding stent into a deployment tool has an outer tube defining a space. The device has a constricting sheath with a stent delivery end and a stent receiving opening opposite thereto. The constricting sheath is open therethrough with the stent delivery end and the stent receiving opening aligned along an axis thereof. The stent delivery end is shaped and sized for slipping over the outer tube. The stent receiving opening is shaped and sized to receive a self expanding stent aligned along the axis and in its expanded state. A rest within the delivery end is located for seating the constricting sheath along the axis and in position over the outer tube. A funnel is positioned within the constricting sheath located between the stent delivery end and the stent receiving opening. The funnel is shaped for collapsing the self expanding stent before loading into the space of the outer tube. An inserter is depressed for movement along the axis and within the constricting sheath towards the space.

US Patent:

6821291, Nov 23, 2004

Filed:

Jul 13, 2001

Appl. No.:

09/904926

Inventors:

Stephen L. Bolea - Watertown MN
Sidney F. Hauschild - Brooklyn Park MN
Johann J. Neisz - Coon Rapids MN
Mark Polyak - Minnetonka MN
Bradford G. Staehle - Minnetonka MN

Assignee:

AMS Research Corporation - Minnetonka MN

International Classification:

A61F 206

US Classification:

623 111, 606108

Abstract:

A removable stent system and method for extraction of a removable stent from a target site is disclosed. The removable stent includes a removable stent having a collapsible end and a collapsing element configured for coupling with a removal tool. The collapsing element can be configured as a lasso or can be movable between two positions when deployed at a target site in vivo. The removable stent overcomes disadvantages and limitations of previous types of stents as well as overcoming complications during or following stent deployment in vivo. The removable stent further includes features that increase its ease of use and reduce the maneuvering required of devices or tools used to remove the stent. This then decreases the amount of effort required by the physician, the procedure time, and the level of discomfort experienced by a patient during the procedure.

US Patent:

8260411, Sep 4, 2012

Filed:

Sep 6, 2006

Appl. No.:

11/516447

Inventors:

Rick Mathew Odland - Roseville MN, US
Bradford G. Staehle - Minnetonka MN, US
Scott R. Wilson - Maple Grove MN, US

Assignee:

Twin Star Medical, Inc. - Minneapolis MN

International Classification:

A61N 1/30

US Classification:

604 21, 604 20, 604 27, 606 41

Abstract:

A medical device having incorporated electrodes that can be used for delivering drugs or other therapeutic fluids at a uniform rate over an extended area to an internal anatomical location of a patient's body. The device can also be used for aspirating excess fluid from an internal anatomical location of a patient's body.

US Patent:

20050080480, Apr 14, 2005

Filed:

Oct 6, 2004

Appl. No.:

10/960195

Inventors:

Stephen Bolea - Watertown MN, US
Robert Rykhus - Edina MN, US
Sidney Hauschild - Brooklyn Park MN, US
Johann Neisz - Coon Rapids MN, US
Mark Polyak - Minnetonka MN, US
Bradford Staehle - Minnetonka MN, US

International Classification:

A61F002/06

US Classification:

623001150

Abstract:

A removable stent system and method for extraction of a removable stent from a target site is disclosed. The removable stent includes a removable stent having a collapsible end and a collapsing element configured for coupling with a removal tool. The collapsing element can be configured as a lasso or can be movable between two positions when deployed at a target site in vivo. The removable stent overcomes disadvantages and limitations of previous types of stents as well as overcoming complications during or following stent deployment in vivo. The removable stent further includes features that increase its ease of use and reduce the maneuvering required of devices or tools used to remove the stent. This then decreases the amount of effort required by the physician, the procedure time, and the level of discomfort experienced by a patient during the procedure.

US Patent:

20100106140, Apr 29, 2010

Filed:

Jan 25, 2008

Appl. No.:

12/524445

Inventors:

Rick M. Odland - Roseville MN, US
Scott R. Wilson - Maple Grove MN, US
Bradford G. Staehle - Minnetonka MN, US

Assignee:

TWIN STAR MEDICAL, INC. - St. Paul MN

International Classification:

A61M 25/00
A61B 5/03
A61B 18/04
A61B 18/12
A61N 7/00

US Classification:

604523, 600561, 606 27, 606 41, 601 2

Abstract:

An apparatus adapted to position a functional device tip, such as a sensor, in a body site having both fluid and non-fluid tissue components, in a manner that substantially mitigates the impingement of non-fluid tissue impingement on the device tip. One such apparatus can be used to both remove fluid from a tissue site, such as a site exhibiting tissue swelling, and to determine tissue pressure, using a single catheter. An apparatus can provide a pressure sensor that is adapted to be positioned and used within the tissue site itself, without substantial impingement by non-fluid tissue, and optionally also provides the ability to concurrently remove and/or deliver fluids or components thereof to or from the tissue site.

US Patent:

20110178505, Jul 21, 2011

Filed:

Jun 16, 2009

Appl. No.:

12/997999

Inventors:

Rich M. Odland - Roseville MN, US
Scott R. Wilson - Maple Grove MN, US
Bradford G. Staehle - Minnetonka MN, US

Assignee:

TWIN STAR MEDICAL, INC. - St. Paul MN

International Classification:

A61M 25/00

US Classification:

604528, 604523

Abstract:

A catheter () is disclosed that includes a reinforced hollow fiber () and is suitable for insertion—in a body tissue in order to deliver and/or recover fluids to and/or from the tissue. In one embodiment, the catheter comprises a combination of catheter body (), hollow fiber region (), and reinforcing means (), to provide a catheter having sufficient structural integrity for the hollow fiber region to be positioned within a body tissue, preferably without the need for ancillary devices such as introducers or protective sheaths, and to there be used for the purpose of delivering and/or recovering fluids from the surrounding tissue.

US Patent:

61324582, Oct 17, 2000

Filed:

May 15, 1998

Appl. No.:

9/079842

Inventors:

Bradford G. Staehle - Minnetonka MN
Anthony J. Ferrazzo - New Prague MN
John H. Burton - Minnetonka MN

Assignee:

American Medical Systems, Inc. - Minnetonka MN

International Classification:

A61F 206

US Classification:

623 111

Abstract:

A device and method for loading a self expanding stent into a deployment tool is disclosed. The device includes an outer tube and a constricting sheath having a stent delivery end and a stent receiving opening opposite thereto. The stent receiving opening is shaped and sized to receive a self expanding stent aligned along the axis and in its expanded state. A funnel, positioned within the constricting sheath, is shaped for collapsing the self expanding stent before loading the stent into the space of the outer tube. An inserter is used to engage and urge the expanded stent into the constricting sheath as the inserter moves towards and into the funnel of the constricting sheath.