Patents by Inventor Bernard A. Hausen

Bernard A. Hausen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9655618
    Abstract: An exemplary surgical method of treating tissue within the body of a patient may include having an endocutter having an end effector; inserting the end effector into the body of a patient through an opening; engaging tissue with the end effector; stapling tissue along two staple lines with the end effector; cutting tissue between the staple lines with the end effector; releasing the tissue from the end effector; and repeating the engaging, stapling, cutting and releasing within the body of the patient on tissue at a different location within the body of the patient while maintaining the end effector within the body of the patient.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: May 23, 2017
    Assignee: Dextera Surgical Inc.
    Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
  • Patent number: 9649192
    Abstract: A method for heart valve surgery may include providing a cardiac valve ring and suture loops connected to the cardiac valve ring, accessing a valve annulus of the heart of the patient, stapling at least one of the sutures loop to the valve annulus, and parachuting the cardiac valve ring down the suture to the valve annulus after the stapling. The cardiac valve ring may be an annuloplasty ring, a replacement heart valve, or other medical device.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: May 16, 2017
    Assignee: Dextera Surgical Inc.
    Inventor: Bernard A. Hausen
  • Patent number: 9622748
    Abstract: A surgical tool for performing anastomosis may include a handle and a tissue effector connected by a shaft, at least party of which may be flexible. The tissue effector may include a staple holder connected to an anvil.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: April 18, 2017
    Assignee: DEXTERA SURGICAL INC.
    Inventors: David L. Bombard, Jaime S. Vargas, James T. Nielsen, Phillipe R. Manoux, Tenny Chang, Stephen A. Yencho, Bernard A. Hausen, Brendan M. Donohoe, Theodore M. Bender, Nathan H. White, Bryan D. Knodel
  • Publication number: 20170049451
    Abstract: A method for connecting a graft vessel to a target vessel may involve advancing a guidewire of a surgical stapler into the target vessel through an opening at a first location on the target vessel, coupling a stapler cartridge carrying the graft vessel with an anvil of the surgical stapler, activating the anvil to staple the graft vessel to the target vessel at a second location on the target vessel, removing the guidewire from the target vessel, and closing the opening in the target vessel.
    Type: Application
    Filed: August 30, 2016
    Publication date: February 23, 2017
    Applicant: Cardica, Inc.
    Inventor: Bernard A. HAUSEN
  • Patent number: 9463015
    Abstract: A method for connecting a graft vessel to a target vessel may involve advancing a guidewire of a surgical stapler into the target vessel through an opening at a first location on the target vessel, coupling a stapler cartridge carrying the graft vessel with an anvil of the surgical stapler, activating the anvil to staple the graft vessel to the target vessel at a second location on the target vessel, removing the guidewire from the target vessel, and closing the opening in the target vessel.
    Type: Grant
    Filed: September 8, 2012
    Date of Patent: October 11, 2016
    Assignee: Cardica, Inc.
    Inventor: Bernard A. Hausen
  • Publication number: 20160287230
    Abstract: A tool for closing an opening in tissue may include a catheter, a clasp applicator positioned substantially at the distal end of the catheter; and at least one clasp held by the clasp applicator, where the clasp may include a plurality of tines and be plastically splayable by the clasp applicator. A patent foramen ovale in heart tissue may by closed by, for example, advancing that exemplary clasp applicator through the patient's vasculature to a location in proximity to the patent foramen ovale, anchoring the clasp applicator with respect to the patent foramen ovale, splaying the clasp, advancing the splayed clasp into contact with tissue; closing the clasp, and removing the clasp applicator from the heart.
    Type: Application
    Filed: June 9, 2016
    Publication date: October 6, 2016
    Inventors: Bernard A. Hausen, Brian L. Bates, Zachary Warder-Gabaldon, Bryan D. Knodel, Luke W. Clauson
  • Publication number: 20160271371
    Abstract: A surgical guiding device for minimally invasive surgical procedures includes a flexible elongated body having one or more through lumens; and a guidewire system at least partially disposed within at least one of said one or more through lumens of the flexible elongated body for guiding a surgical instrument to a surgical site.
    Type: Application
    Filed: August 3, 2015
    Publication date: September 22, 2016
    Inventors: Bernard A. Hausen, Brendan M. Donohoe
  • Publication number: 20160220245
    Abstract: A method for connecting a graft vessel to a target vessel may involve advancing a guidewire of a surgical stapler into the target vessel through an opening at a first location on the target vessel, coupling a stapler cartridge carrying the graft vessel with an anvil of the surgical stapler, activating the anvil to staple the graft vessel to the target vessel at a second location on the target vessel, removing the guidewire from the target vessel, and closing the opening in the target vessel.
    Type: Application
    Filed: September 8, 2012
    Publication date: August 4, 2016
    Applicant: Cardica, Inc.
    Inventor: Bernard A. HAUSEN
  • Patent number: 9155536
    Abstract: An exemplary circular stapler may include an anvil; a staple holder connected to the anvil; and a feeder belt ring held within the staple holder, the feeder belt ring including staples frangibly affixed thereto. An exemplary surgical method for treating tissue may include possessing an anvil, a staple holder connected to the anvil, and a feeder belt ring held within the staple holder, the feeder belt ring including a plurality of staples frangibly affixed thereto; clamping tissue between the anvil and staple holder; and sequentially deforming and then breaking from the feeder belt ring at least two staples.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: October 13, 2015
    Assignee: Cardica, Inc.
    Inventors: Bernard A. Hausen, Bryan D. Knodel
  • Patent number: 9144427
    Abstract: An exemplary surgical method of treating tissue within the body of a patient may include having an endocutter having an end effector; inserting the end effector into the body of a patient through an opening; engaging tissue with the end effector; stapling tissue along two staple lines with the end effector; cutting tissue between the staple lines with the end effector; releasing the tissue from the end effector; and repeating the engaging, stapling, cutting and releasing within the body of the patient on tissue at a different location within the body of the patient while maintaining the end effector within the body of the patient.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: September 29, 2015
    Assignee: Cardica, Inc.
    Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
  • Publication number: 20150265277
    Abstract: An exemplary surgical method of treating tissue within the body of a patient may include having an endocutter having an end effector; inserting the end effector into the body of a patient through an opening; engaging tissue with the end effector; stapling tissue along two staple lines with the end effector; cutting tissue between the staple lines with the end effector; releasing the tissue from the end effector; and repeating the engaging, stapling, cutting and releasing within the body of the patient on tissue at a different location within the body of the patient while maintaining the end effector within the body of the patient.
    Type: Application
    Filed: June 9, 2015
    Publication date: September 24, 2015
    Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
  • Patent number: 9138212
    Abstract: A surgical tool may include a self-expanding combination anchor, comprising a first segment connected to a second segment, wherein said first segment is distal to said second segment.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: September 22, 2015
    Assignee: Cardica, Inc.
    Inventor: Bernard A. Hausen
  • Publication number: 20150012006
    Abstract: An apparatus for performing anastomosis procedures comprises of an end-effector to engage a lumen for attaching a tubular structure to said lumen to create a connective branch or an anastomosis. The apparatus includes a contractible and expandable member coupled to the end-effector to secure engagement of the end-effector with the lumen. A pair of wedge members operates to deploy a staple to attach the tubular structure to the lumen. The pair of wedge members operates in opposing directions to deploy the staple.
    Type: Application
    Filed: July 1, 2014
    Publication date: January 8, 2015
    Inventors: Bernard A. Hausen, Bryan D. Knodel, Stefanos Demertzis, Brendan M. Donohoe
  • Patent number: 8888794
    Abstract: An exemplary surgical apparatus may include a guide catheter including a clip channel, at least one hook channel, and at least one sling channel defined therein; a clip applier movable within the clip channel, wherein the clip applier holds at least one clip; at least one hook movable within a corresponding hook channel; and at least one sling movable within a corresponding sling channel. An exemplary surgical method for treating a mitral valve may include providing a guide catheter; a clip applier held by the guide catheter, and a clip held by the clip applier; introducing the distal end of the guide catheter into the left atrium; engaging the anterior and posterior leaflets of the mitral valve with the clip; closing the clip; and disengaging the clip applier from the clip, whereby the clip remains in the mitral valve.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: November 18, 2014
    Assignee: Cardica, Inc.
    Inventor: Bernard A. Hausen
  • Publication number: 20140263558
    Abstract: A surgical instrument is implemented with an extended curved tip to facilitate maneuvering and manipulating around small spaces and tissues at a surgical site in the body of a patient. The surgical instrument comprises of an end-effector and an extended curved tip that is coupled to the end-effector. A proximal portion of the extended curved tip is coupled to a distal portion of the extended curved tip, and a distal portion of the extended curved tip is configured to be a substantially tapered end or a tapered free-end.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Applicant: Cardica, Inc.
    Inventors: Bernard A. Hausen, Bryan D. Knodel
  • Patent number: 8789738
    Abstract: An exemplary surgical method of treating tissue may include possessing a surgical tool that has at least one movable feeder belt that includes staples frangibly connected thereto, where at least one staple is oriented relative to the feeder belt in a direction angled relative to the transverse direction; placing the surgical tool adjacent to tissue; deforming at least one staple into tissue; frangibly separating at least one deformed staple from the feeder belt; advancing the feeder belt; and repeating the placing, deploying and separating. Another exemplary surgical method of treating tissue of a patient may include holding a cartridgeless surgical tool that includes staples; stapling tissue with staples in response to a single actuation of the surgical tool; and repeating the stapling at least once.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: July 29, 2014
    Assignee: Cardica, Inc.
    Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
  • Publication number: 20140207165
    Abstract: An exemplary surgical method of treating tissue within the body of a patient may include having an endocutter having an end effector; inserting the end effector into the body of a patient through an opening; engaging tissue with the end effector; stapling tissue along two staple lines with the end effector; cutting tissue between the staple lines with the end effector; releasing the tissue from the end effector; and repeating the engaging, stapling, cutting and releasing within the body of the patient on tissue at a different location within the body of the patient while maintaining the end effector within the body of the patient.
    Type: Application
    Filed: March 21, 2014
    Publication date: July 24, 2014
    Applicant: Cardica, Inc.
    Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
  • Patent number: 8695864
    Abstract: A surgical tool may include a circular surgical stapler and an anvil initially disconnected and separate from the surgical stapler; where at least one of the circular surgical stapler and the anvil is magnetic.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: April 15, 2014
    Assignee: Cardica, Inc.
    Inventor: Bernard A. Hausen
  • Patent number: 8679155
    Abstract: An exemplary surgical method of treating tissue within the body of a patient may include having an endocutter having an end effector; inserting the end effector into the body of a patient through an opening; engaging tissue with the end effector; stapling tissue along two staple lines with the end effector; cutting tissue between the staple lines with the end effector; releasing the tissue from the end effector; and repeating the engaging, stapling, cutting and releasing within the body of the patient on tissue at a different location within the body of the patient while maintaining the end effector within the body of the patient.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: March 25, 2014
    Assignee: Cardica, Inc.
    Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
  • Patent number: 8631992
    Abstract: An exemplary surgical apparatus may include a feeder belt; at least one staple including a crown fixed to and frangibly separable from the feeder belt, the crown having a first width, and a free end extending from the crown; and at least one pad wider than the first width, wherein each pad is associated with a corresponding crown. An exemplary surgical method using that exemplary apparatus may include placing the feeder belt in proximity to tissue; penetrating the free end of at least one staple into tissue, such that tissue is positioned between the free end and the crown; compressing the free end of at least one staple toward the crown, such that a compressive force is exerted toward the crown; distributing the compressive force across the pad of at least one staple; and shearing at least one staple from the feeder belt.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: January 21, 2014
    Assignee: Cardica, Inc.
    Inventors: Bernard A. Hausen, Bryan D. Knodel, Patrick Flanagan, Bennie Thompson