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).
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Patent number: 8695864Abstract: 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: GrantFiled: July 19, 2011Date of Patent: April 15, 2014Assignee: Cardica, Inc.Inventor: Bernard A. Hausen
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Patent number: 8679155Abstract: 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: GrantFiled: July 28, 2011Date of Patent: March 25, 2014Assignee: Cardica, Inc.Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
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Patent number: 8631992Abstract: 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: GrantFiled: October 21, 2009Date of Patent: January 21, 2014Assignee: Cardica, Inc.Inventors: Bernard A. Hausen, Bryan D. Knodel, Patrick Flanagan, Bennie Thompson
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Publication number: 20140005779Abstract: 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: ApplicationFiled: August 29, 2013Publication date: January 2, 2014Applicant: Cardica, Inc.Inventor: Bernard A. Hausen
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Publication number: 20130338684Abstract: 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: ApplicationFiled: July 26, 2013Publication date: December 19, 2013Applicant: Cardica, Inc.Inventor: Bernard A. Hausen
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Publication number: 20130240603Abstract: An exemplary surgical endocutter may include a staple holder; at least one feeder belt having two lateral edges, at least part of at least one feeder belt extending into the staple holder; and staples, wherein each said staple may include a first end frangibly affixed to a corresponding feeder belt, wherein each first end is affixed to the feeder belt at a location laterally spaced from the longitudinal centerline of the feeder belt, and a second free end; and wherein the staples form at least one row, each row including at least two said staples; wherein staples in least one row are staggered relative to said staples in at least one other row.Type: ApplicationFiled: May 9, 2013Publication date: September 19, 2013Applicant: Cardica, Inc.Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
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Patent number: 8523939Abstract: 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: GrantFiled: June 12, 2006Date of Patent: September 3, 2013Assignee: Cardica, Inc.Inventor: Bernard A. Hausen
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Patent number: 8496671Abstract: 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: GrantFiled: June 16, 2010Date of Patent: July 30, 2013Assignee: Cardica, Inc.Inventor: Bernard A. Hausen
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Patent number: 8439245Abstract: An exemplary surgical endocutter may include a staple holder; at least one feeder belt having two lateral edges, at least part of at least one feeder belt extending into the staple holder; and staples, wherein each said staple may include a first end frangibly affixed to a corresponding feeder belt, wherein each first end is affixed to the feeder belt at a location laterally spaced from the longitudinal centerline of the feeder belt, and a second free end; and wherein the staples form at least one row, each row including at least two said staples; wherein staples in least one row are staggered relative to said staples in at least one other row.Type: GrantFiled: July 29, 2011Date of Patent: May 14, 2013Assignee: Cardica, Inc.Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
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Patent number: 8397973Abstract: A surgical apparatus may include at least one feeder belt; a plurality of staples frangibly affixed to each feeder belt, where each staple includes two ends, a first end frangibly connected to a corresponding feeder belt and a second, free end; and a handle within which at least part of at least one feeder belt is received, where that feeder belt extends along a path within that handle that is at least partially nonlinear. A method for operating a surgical apparatus, including providing a surgical stapler including an end effector, a shaft, a handle and at least one feeder belt, where staples are frangibly affixed to each feeder belt; deploying a plurality of staples from the end effector; and advancing at least one feeder belt along a nonlinear path after deploying the staples, whereby fresh staples are moved into the end effector into position for deployment.Type: GrantFiled: March 2, 2010Date of Patent: March 19, 2013Assignee: Cardica, Inc.Inventor: Bernard A. Hausen
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Patent number: 8398653Abstract: A surgical method for treating a tissue structure having a wall and a lumen may include providing a substantially rigid anvil and a flexible tip affixed to and extending from the distal end of that anvil; making an incision in the wall of the tissue structure; inserting the flexible tip and at least a portion of the rigid anvil through the incision into the lumen of the tissue structure; and deforming at least one connector, introduced from outside the wall of the tissue structure, against the portion of the rigid anvil located within the lumen of the tissue structure.Type: GrantFiled: December 15, 2010Date of Patent: March 19, 2013Assignee: Cardica, Inc.Inventors: Nathan H. White, Michael P. Schaller, Luke W. Clauson, Michael Murillo, Bernard A. Hausen
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Patent number: 8272551Abstract: An exemplary method for treating an animal body may include receiving a driverless surgical stapler that includes a staple holder, staples positioned within that staple holder, and at least one wedge; and sliding at least one wedge relative to the staples to directly contact at least one staple.Type: GrantFiled: April 25, 2011Date of Patent: September 25, 2012Assignee: Cardica, Inc.Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
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Patent number: 8187315Abstract: A partial stent may include a backbone and arcuate ribs extending from that backbone; where the ribs have shapes and lengths, and are positioned relative to the backbone, such that when the partial stent is viewed from an end, the ribs collectively define an open arc. A partial stent may include at least one barb extending outward therefrom. The partial stent may be used for treating an aneurysm in a blood vessel, such as a cerebral aneurysm. The partial stent may be placed in the blood vessel adjacent the neck of the aneurysm such that the partial stent substantially covers the neck of the aneurysm.Type: GrantFiled: December 8, 2006Date of Patent: May 29, 2012Assignee: Cardica, Inc.Inventors: Luke W. Clauson, Bryan D. Knodel, Bernard A. Hausen, Scott O. Chamness, Benjamin J. Matthias
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Patent number: 8182494Abstract: A minimally-invasive anastomosis system includes a base that is inserted through an incision is made in the chest of a patient between two adjacent ribs. An anastomosis tool and a sensor are attached to the base. The base is attached to the heart, such as by suction, while allowing substantially unrestricted motion of the heart. The sensor provides a view of a surgical field to a display, such that as the base moves along with the motion of the heart, the view of the surgical field remains substantially steady.Type: GrantFiled: April 21, 2003Date of Patent: May 22, 2012Assignee: Cardica, Inc.Inventors: Stephen A. Yencho, Bernard A. Hausen
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Publication number: 20120097731Abstract: An exemplary method for treating an animal body may include receiving a driverless surgical stapler that includes a staple holder, staples positioned within that staple holder, and at least one wedge; and sliding at least one wedge relative to the staples to directly contact at least one staple.Type: ApplicationFiled: April 25, 2011Publication date: April 26, 2012Applicant: CARDICA, INC.Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson
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Patent number: 8163010Abstract: A medical device for treating a heart valve may include a master staple and a loop fixed to the master staple prior to deployment of the master staple. The heart valve may be treated with that master staple and loop, and a plurality of follower staples that are independent from the loop prior to deployment of the master staple, by closing the master staple into the valve annulus, such that the point of the loop that is fixed to the master staple is fixed relative to the valve annulus, and engaging the loop with a plurality of follower staples after that closing.Type: GrantFiled: June 3, 2008Date of Patent: April 24, 2012Assignee: Cardica, Inc.Inventors: Bernard A. Hausen, Bryan D. Knodel, Luke W. Clauson
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Publication number: 20120091183Abstract: A method of manufacturing a surgical apparatus may include fabricating an anvil that includes an insert composed of a first material, the insert located within a cavity in a body composed of a second material, where the first material and the second material have different properties.Type: ApplicationFiled: December 22, 2011Publication date: April 19, 2012Applicant: CARDICA, INC.Inventors: Philipe R. Manoux, Bryan D. Knodel, Bernard A. Hausen
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Patent number: 8123795Abstract: A surgical tool useful for connecting an abdominal aortic stent or the like to tissue may include a head holding at least one fastener, a shaft, and a joint connecting the head to the shaft, the joint allowing the head to rotate in at least one direction relative to the shaft. That surgical tool may be used to connect a graft assembly to tissue, where the graft assembly may include a graft connected to a stent. The graft, stent and surgical tool may be inserted into a body lumen; and the head of the surgical tool may be pivoted relative to the shaft such that the distal end of the head contacts the interior of the stent. At least one fastener is then deployed to connect the stent to the body lumen.Type: GrantFiled: October 3, 2006Date of Patent: February 28, 2012Assignee: Cardica, Inc.Inventors: Bryan D. Knodel, David L. Bombard, Theodore M. Bender, Luke W. Clauson, Bernard A. Hausen
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Patent number: 8087562Abstract: An exemplary surgical apparatus may include an anvil with a body having a cavity defined therein, and at least one insert fixed within the cavity. Another exemplary surgical apparatus may include an anvil with an upper layer composed of a first material, and a lower layer composed of a second material different from the first material, where the lower layer is fixed to the upper layer. A method of manufacturing a surgical apparatus may include fabricating an anvil that includes a insert composed of a first material, the insert located within a cavity in a body composed of a second material, where the first material and the second material have different properties.Type: GrantFiled: June 22, 2009Date of Patent: January 3, 2012Assignee: Cardica, Inc.Inventors: Philipe R. Manoux, Bryan D. Knodel, Bernard A. Hausen
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Publication number: 20110309127Abstract: 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: ApplicationFiled: July 28, 2011Publication date: December 22, 2011Applicant: CARDICA, INC.Inventors: Bryan D. Knodel, Bernard A. Hausen, Luke W. Clauson