Patents Assigned to Cardica, Inc.
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Patent number: 8701960Abstract: A surgical apparatus may include a staple holder, an anvil connected to and movable relative to the staple holder, and at least one axle extending outward from the anvil; and an overtube slidable relative to the end effector, the overtube including at least one slot defined therein; where each slot receives a corresponding axle. A surgical method for treating tissue of a patient may include providing an end effector that includes a staple holder and an anvil connected to and movable relative to the staple holder, and an overtube slidable relative to said end effector, making an incision in the patient; inserting the end effector and at least part of the overtube through the incision in a first, insertion configuration in which substantially no gap exists between the anvil and staple holder, and moving the overtube relative to the end effector to open the end effector to a second, unclamped position where at least part of the anvil is spaced apart from the staple holder.Type: GrantFiled: June 22, 2009Date of Patent: April 22, 2014Assignee: Cardica, Inc.Inventors: Philipe R. Manoux, Bryan D. Knodel
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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: 8662369Abstract: An exemplary surgical staple may include a base including a first end and a second end; a single tine extending from the second end of the base; and a barb extending from the base at a location between the first end of the base and the second end of the base. An end of such a staple may be frangibly affixed to a feeder belt. Another exemplary surgical apparatus may include at least one staple including a base including a first end and a second end, a first tine extending from the second end of the base, and a second tine extending from the base at a location between the first end of the base and the second end of the base.Type: GrantFiled: May 27, 2010Date of Patent: March 4, 2014Assignee: Cardica, Inc.Inventors: Philipe R. Manoux, Bryan D. Knodel
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Publication number: 20140041191Abstract: A surgical apparatus may include a cartridge, and surgical staples affixed to and frangibly separable from that cartridge. A method for surgical stapling utilizing that apparatus may include providing at least one wedge; and moving at least one wedge into the cartridge, where that moving deforms and then shears from the cartridge at least one staple. A method of manufacturing an apparatus for use with a surgical stapler may include fabricating a cartridge configured to be received by the surgical stapler; fabricating staples; and fixing the staples to the cartridge.Type: ApplicationFiled: October 14, 2013Publication date: February 13, 2014Applicant: CARDICA, INC.Inventor: Bryan D. Knodel
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Publication number: 20140033674Abstract: One exemplary process for manufacturing a surgical apparatus may include providing a flat, generally-planar strip of biocompatible material; cutting the strip to produce a feeder belt with at least one lateral edge, and staples affixed to the feeder belt in proximity to at least one lateral edge, where the staples and feeder belt are substantially aligned along a first plane; and bending at least one staple out of the first plane, while the feeder belt remains in the first plane. Another exemplary process for manufacturing a surgical apparatus may include providing a flat, generally-planar strip of biocompatible material; cutting that strip to produce a feeder belt with edges, and staples affixed to different edges of the feeder belt; and coining at least one staple after the cutting.Type: ApplicationFiled: October 14, 2013Publication date: February 6, 2014Applicant: Cardica, Inc.Inventors: Bryan D. Knodel, Philipe R. Manoux
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Patent number: 8636189Abstract: An exemplary active wedge for use with surgical staples, comprising a wedge base having an upper surface; and at least one wedge grate movable relative to the wedge base between a first position and a second position, where in the first position of the wedge base substantially all of the wedge grate is located below the upper surface of the wedge base, and where in the second position at least part of the wedge grate is positioned above the upper surface of the wedge base.Type: GrantFiled: April 19, 2011Date of Patent: January 28, 2014Assignee: Cardica, Inc.Inventors: Bryan D. Knodel, Philipe R. Manoux, Brendan M. Donohoe
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Patent number: 8631990Abstract: An exemplary staple holder of a surgical stapler may include a cavity defined therein, staples held within that cavity; an upper surface; apertures defined through the upper surface through which staples are deployable, at least one wedge movable within the cavity, and at least one staple trap including a strip and arms extending from and bent relative to the strip, where at least one arm resides in a neutral position directly underneath a corresponding aperture.Type: GrantFiled: April 25, 2011Date of Patent: January 21, 2014Assignee: Cardica, Inc.Inventors: Jinhoon Park, Philipe R. Manoux, Benjamin J. Matthias
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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: 20130306705Abstract: An exemplary surgical apparatus may include a feeder belt configured as a continuous loop; staples fixed to and shearable from the continuous feeder belt; apertures defined in the continuous feeder belt; and a gear positioned at the distal end of the feeder belt within the continuous loop, where the gear engages at least one of the apertures to move the continuous feeder belt around the gear. Another exemplary surgical apparatus may include a feeder belt; a plurality of staples fixed to and shearable from the continuous feeder belt; and a plurality of teeth defined on the continuous feeder belt. Another exemplary surgical apparatus may include a continuous belt assembly that has a flexible rack with two ends, and a feeder belt with two ends, each end of the feeder belt connected to a corresponding end of the flexible rack; and staples fixed to and shearable from the continuous feeder belt.Type: ApplicationFiled: July 23, 2013Publication date: November 21, 2013Applicant: Cardica, Inc.Inventors: Bryan D. Knodel, Philipe R. Manoux
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Publication number: 20130306706Abstract: An exemplary surgical stapler may include a staple holder, including an upper surface with two substantially-planar angled surfaces positioned lateral to and angled relative to each other. The staple holder may include staple channels within it, and each staple channel may open to a corresponding angled surface. The stapler may also include at least one feeder belt extending into the staple holder and staples frangibly affixed to the feeder belt. Generally, at least one staple is held within a corresponding staple channel of the staple holder.Type: ApplicationFiled: July 25, 2013Publication date: November 21, 2013Applicant: Cardica, Inc.Inventor: Bryan D. Knodel
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Patent number: 8574246Abstract: An integrated anastomosis tool may include an effector that both makes an opening in the wall of a target vessel and connects a graft vessel to the target vessel. The effector may include a cutter assembly and a connection module that are independently actuatable. The connection between the graft vessel and the target vessel may be compliant, and may be achieved by suturing an end of the graft vessel to the side of the target vessel with the connection module.Type: GrantFiled: December 3, 2004Date of Patent: November 5, 2013Assignee: Cardica, Inc.Inventors: Theodore M. Bender, Luke W. Clauson, Philipe R. Manoux, Zachary Warder-Gabaldon, Kathleen H. Davies, Bryan D. Knodel
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Publication number: 20130282009Abstract: A vein harvesting medical device designed and constructed to harvest a vein in a less invasive surgical procedure. The vein harvesting device includes a handle assembly, a shaft assembly, and an end effector operated by the control features in the handle assembly to gather a targeted vein and remove side branches from the targeted vein for harvesting.Type: ApplicationFiled: April 17, 2013Publication date: October 24, 2013Applicant: Cardica, Inc.Inventor: Bryan D. Knodel
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Publication number: 20130277410Abstract: A surgical stapling and cutting device is constructed with a knife safety lockout element to prevent a knife element from cutting tissue if staples cannot be applied first to the tissue prior to being cut. The surgical stapling and cutting device comprises of a staple holder for holding a staple cartridge, an anvil movably coupled to the staple holder for opposing and deforming staples, a knife safety lockout element for blocking a knife element from being deployed, and a safety spring element for activating or biasing the knife safety lockout element into an active state to block the knife element from being deployed.Type: ApplicationFiled: April 10, 2013Publication date: October 24, 2013Applicant: Cardica, Inc.Inventors: Anthony J. Fernandez, Bryan D. Knodel, Jinhoon Park
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Patent number: 8556153Abstract: A surgical apparatus may include a cartridge, and surgical staples affixed to and frangibly separable from that cartridge. A method for surgical stapling utilizing that apparatus may include providing at least one wedge; and moving at least one wedge into the cartridge, where that moving deforms and then shears from the cartridge at least one staple. A method of manufacturing an apparatus for use with a surgical stapler may include fabricating a cartridge configured to be received by the surgical stapler; fabricating staples; and fixing the staples to the cartridge.Type: GrantFiled: August 9, 2012Date of Patent: October 15, 2013Assignee: Cardica, Inc.Inventor: Bryan D. Knodel
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Patent number: 8556935Abstract: One exemplary process for manufacturing a surgical apparatus may include providing a flat, generally-planar strip of biocompatible material; cutting the strip to produce a feeder belt with at least one lateral edge, and staples affixed to the feeder belt in proximity to at least one lateral edge, where the staples and feeder belt are substantially aligned along a first plane; and bending at least one staple out of the first plane, while the feeder belt remains in the first plane. Another exemplary process for manufacturing a surgical apparatus may include providing a flat, generally-planar strip of biocompatible material; cutting that strip to produce a feeder belt with edges, and staples affixed to different edges of the feeder belt; and coining at least one staple after the cutting.Type: GrantFiled: March 15, 2011Date of Patent: October 15, 2013Assignee: Cardica, Inc.Inventors: Bryan D. Knodel, Philipe R. Manoux
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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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Publication number: 20130240604Abstract: An exemplary surgical apparatus for treating tissue may include an anvil; a jaw pivotally connected to the anvil; and a first cartridge detachably connected to the anvil, holding staples of a first size; where a first clamp gap between the anvil and first cartridge is set by the connection between the first cartridge and jaw. An exemplary cartridge for a surgical stapler may include a cartridge housing; a plurality of staples held within the cartridge housing; and a sled slidable within, and retained by, the cartridge housing, including a central platform, at least one wedge connected to the central platform, and a knife rotatable relative to the central platform.Type: ApplicationFiled: May 8, 2013Publication date: September 19, 2013Applicant: Cardica, Inc.Inventor: Bryan D. Knodel