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Assignee: Maquet Cardiovascular LLC


Location: San Jose, CA
No. of patents: 33

NumberTitleIssue Date
8162963Angled anastomosis device, tools and method of using
Anastomosis devices, tools and methods of performing angled sutureless anastomosis. Devices provided are adapted to be oriented at an acute angle to a host vessel or organ, thereby orienting a graft to be anastomosed to the host by the same angle. The device maintai...
04/24/2012
8162817Device to permit offpump beating heart coronary bypass surgery
A suction cup adapted to engage a surface of a beating heart with sufficient force to move the beating heart to an unnatural position upon moving the suction cup, while the suction cup maintains engagement with the surface of the heart and the heart continues to hea...
04/24/2012
8092369Organ manipulator having suction member supported with freedom to move relative to its support
An organ manipulator including at least one suction member or adhesive disk mounted to a joint providing freedom of movement of the at least one suction member or adhesive disk relative to its support. A method for retracting and maintaining an organ in a retracted ...
01/10/2012
8083664Surgical stabilizers and methods for use in reduced-access surgical sites
Devices and methods for stabilizing tissue within a patient's body. Such a device is adapted to assume a reduced configuration and an operating configuration. The device assumes the reduced configuration for passage through a small opening to deliver a working end o...
12/27/2011
8029491Method and apparatus for preventing air embolisms
Method and apparatus for preventing air embolisms during surgical procedures which involves providing a fluid source in communication with an aperture extending into an anatomical cavity such that fluid may be delivered into the cavity when a condition of negative p...
10/04/2011
7998114Method and apparatus for regulating pressure during medical procedures
A method and apparatus are provided for regulating pressure applied during a medical procedure, including an inelastic housing enclosing an inner volume, a housing having a first and second end; an aperture in the housing, the aperture for coupling to an element for...
08/16/2011
7947062Temporary anastomotic seal and method
Forming a proximal anastomosis on an aortic wall includes method and instrumentation and apparatus for forming an aortic puncture and inserting into the vessel through the puncture a fluid-impervious sealing element with a protruding retainer. An anastomosis of a gr...
05/24/2011
7938842Tissue dissector apparatus
Surgical apparatus and method includes a cannula that houses an endoscope and supports a dilating element near a distal end of the cannula. The dilating element has a dimension which is greater than the diameter of the cannula for enlarging a surgical cavity in tiss...
05/10/2011
7931590Tissue stabilizer and methods of using the same
Devices and methods are provided for stabilizing tissue, e.g., a beating heart, within a patient's body. In certain embodiments, the subject devices are characterized by having a shaft and at least two contacting members operatively associated with the shaft where t...
04/26/2011
7909846Access platform for internal mammary dissection
An access platform having a first and a second blade interconnected to a spreader member that laterally drives the blades apart or together and a sternal pad interconnected to a blade. The superior blade is preferably pivotally coupled to the spreader member such th...
03/22/2011
7887558Modular vessel harvesting system and method
A vessel harvesting system that is suitable for harvesting target vessels such as the saphenous vein or radial artery for cardiac artery bypass graft surgery. The system includes a vessel harvesting tool with an elongated cannula and a plurality of surgical instrume...
02/15/2011
7867163Instrument and method for remotely manipulating a tissue structure
A retractor and a surgical tool are positioned within a cannula, and a dissection cradle of the retractor is positioned at the distal end of the cannula. The retractor includes a dissection cradle that is resiliently supported along an axis skewed relative to the ax...
01/11/2011
7785246Left and right side heart support
A cannulation system for cardiac support uses an inner cannula disposed within an outer cannula. The outer cannula includes a fluid inlet for placement within the right atrium of a heart. The inner cannula includes a fluid inlet extending through the fluid inlet of ...
08/31/2010
7766817Organ manipulator having suction member supported with freedom to move relative to its support
An organ manipulator including at least one suction member or adhesive disc mounted to a joint providing freedom of movement of the at least one suction member or adhesive disk relative to its support. A method for retracting and suspending an organ in a retracted p...
08/03/2010
7736307Surgical instruments for accessing and stabilizing a localized portion of a beating heart
Surgical devices for stabilizing the heart are disclosed which facilitate anastomosis under beating heart conditions. Various instruments or devices may be maneuvered and secured on a retractor device to provide stabilization of the heart. An instrument mount is pro...
06/15/2010
7731675Guidable intravascular blood pump and related methods
An improved intravascular blood pump and related methods involving the broad inventive concept of equipping the intravascular blood pump with guiding features such that the intravascular blood pump can be selectively positioned at a predetermined location within the...
06/08/2010
7699774Access platform for internal mammary dissection
An access platform having a first and a second blade interconnected to a spreader member that laterally drives the blades apart or together and a sternal pad interconnected to a blade. The superior blade is pivotally coupled to the spreader member such that it natur...
04/20/2010
7695470Integrated vessel ligator and transector
Surgical treatment of tissue includes electrocauterization of blood vessels interposed between spaced sets of electrodes of opposite polarity, and includes transection of such tissue by a cutter that is mounted between the spaced sets of electrodes for translational...
04/13/2010
7597698Apparatus and method for endoscopic encirclement of pulmonary veins for epicardial ablation
Surgical instruments and procedures promote placement of a tissue-ablating probe surrounding the left and right pulmonary veins within the intrapericardial space of a patient's heart via access through a subxiphoid or subcostal entry incision. An opening is formed i...
10/06/2009
7585306Anastomosis device, tools and methods of using
Anastomosis devices, tools and methods of performing sutureless anastomosis. Anastomosis devices are provided for fixing a first conduit to a second conduit in an anastomosis, where the conduits are joined by interfacing their inner walls together. The conduit which...
09/08/2009
7585277Surgical instruments and procedures for stabilizing the beating heart during coronary artery bypass graft surgery
Methods and devices which a surgeon may use to stabilize the beating heart during a surgical procedure on the heart. A stabilizing device may be introduced through an opening in the chest and brought into contact with the beating heart. By contacting the heart with ...
09/08/2009
7544203Temporary seal and method for facilitating anastomosis
Forming a proximal anastomosis on an aortic wall includes method and instrumentation and apparatus for forming an aortic puncture and inserting a fluid-impervious sealing element with a lateral flange and central stem into the vessel through the puncture. An anastom...
06/09/2009
7544195Electrocautery surgical scissors
Surgical apparatus includes bipolar electrodes and tissue-shearing blades configured to electrically contact tissue for electrocauterization thereof prior to shearing contact of the cutting blades with the tissue over wide angles of presentation of the tissue to the...
06/09/2009
7534243Dissection and welding of tissue
A tissue dissector and method for welding and severing blood vessels includes advancing the tip of a tissue-dissecting surgical instrument through tissue, with a tissue welder substantially concealed within the tip during tissue dissection. Blood vessels encountered...
05/19/2009
7526342Apparatus for endoscopic cardiac mapping and lead placement
Apparatus and surgical methods establish temporary suction attachment to a target site on the surface of a beating heart for analyzing electrical signals or hemodynamic responses to applied signals at the target sites for enhancing the accuracy of placement of cardi...
04/28/2009
7497858Apparatus and method for assessing transmurality of a tissue ablation
An instrument assesses the transmurality of an ablation lesion from a first surface of a targeted biological tissue to an opposed second surface thereof. The instrument includes at least a first electrode operably attached to an ablation instrument adapted to engage...
03/03/2009
7485092Vessel harvesting apparatus and method
Apparatus and method for harvesting selected vessels in the body of a patient include manual manipulation of a rigid dissecting endoscope and the reconfiguration thereof to facilitate tissue dissection and tissue dilation in the formation of an anatomical space abou...
02/03/2009
7485090Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
The invention is devices and techniques which use a negative (suction) pressure or vacuum, applied through a surgical instrument, to fix the position of a portion of the surface of a beating heart so that a surgical procedure can be more easily performed. The device...
02/03/2009
7452374AV grafts with rapid post-operative self-sealing capabilities
The invention provides a self-sealing arteriovenous graft including a tube having a polymeric inner layer defining a lumen through which blood may flow and an outer textile layer. The outer textile layer is concentrically disposed about the inner layer. Furthermore,...
11/18/2008
7398781Method for subxiphoid endoscopic access
Apparatus and method for performing surgical procedures within the mediastinum or within the pericardium include an endoscopic cannula that is introduced into the mediastinum and optionally into the pericardium via a subxiphoid incision. A cavity may be initially di...
07/15/2008
7393352Electrode arrangement for use in a medical instrument
A medical instrument includes a pair of spaced apart and electrically isolated elongated electrodes positioned adjacent one another on a working member. The electrodes are arranged for sensing electrical activity of biological tissues inside the body of the patient....
07/01/2008
RE40404Thinly woven flexible graft
A thinly woven textile prosthetic implant such as a vascular graft may be implanted by catheter implantation. The implant includes an elongate tubular body formed of a woven fabric having a fabric thickness no greater than about 0.16 mm. The tubular body includes a ...
06/24/2008
7387627Vacuum-assisted securing apparatus for a microwave ablation instrument
A securing apparatus for selectively securing an ablating element of an ablation instrument proximate to a targeted region of a biological tissue. The securing apparatus includes a support base affixed to the ablation instrument relative the ablating element, and ha...
06/17/2008
 
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