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7476198 |
Cannula-based surgical instrument
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...
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7396329 |
Endoscopic retractor instrument and associated method
An endoscopic retractor is an elongate balloon having an expanded configuration having two end portions and a plurality of struts or spacer members extending between the end portions. The retractor...
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7341558 |
Pericardial retractor
A surgical retractor includes a “swivel” having a string extending from one end and a string extending from the midpoint between the two ends. The swivel is delivered by pushing it out of a...
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7322935 |
Endoscopic retractor
An endoscopic retractor includes a tube having a proximal end and a distal end with a push rod extending therethrough. The proximal ends of the push rod is provided with a threaded portion. A...
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7219671 |
Method for coronary artery bypass
The invention comprises a method for performing a coronary artery bypass graft on a beating heart under thoracoscopic visualization without opening the chest wall. At least one small opening is...
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7122003 |
Endoscopic retractor instrument and associated method
An endoscopic retractor instrument assembly includes a balloon having a pair of expandable or inflatable end portions and at least one expandable or inflatable spacer portion connecting the end...
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7112172 |
Endoscopic organ retraction system and method of using the same
The present disclosure relates to a retraction system for retracting body organs and/or body tissue in a body cavity. The retraction system includes an elongate shaft configured and dimensioned to...
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7041055 |
Instruments and methods for use in laparoscopic surgery
An improved surgical dilator extractor is introduced into the abdominal cavity through a trocar cannula and expanded, forming a tissue receiving space, at the distal end. The tissue receiving space...
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7025722 |
Device and method for isolating a surgical site
The invention provides a system and method for performing less-invasive surgical procedures within a body cavity. In a preferred embodiment, the invention provides a system and method for isolating...
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6939296 |
Laparoscopic illumination apparatus and method
An access device particularly adapted for use in laparoscopic surgery facilitates access with instruments, such as the hand of the surgeon, across a body wall and into a body cavity. The device can...
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6890295 |
Anatomical space access tools and methods
Medical devices and methods for accessing an anatomical space of the body and particularly for penetrating the epicardium to access pericardial space and the epicardial surface of the heart in a...
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6887255 |
Laparoscopic specimen extraction port
A laparoscopic surgical extraction port (LSEP) includes a port having a radially-enlarged distal end. A sheath having a plurality of circumferentially-spaced prongs is slidingly mounted onto the...
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6878110 |
Surgical instruments and method for creating anatomic working space in minilaparotomy procedure
A method for creating an anatomic working space in a body for a minilaparotomy procedure includes forming a minilaparotomy opening in the body, forming a trocar opening in the body, inserting a...
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6837850 |
Percutaneous tissue dissection
Tissue is retracted from a bone during spinal and other procedures by inserting an elongate balloon into a cannula, and guiding the cannula into position along between the tissue and the bone...
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6743169 |
Surgical instruments and procedures for stabilizing the beating heart during coronary artery bypass graft surgery
The invention is methods and devices which a surgeon may use to stabilize the beating heart during a surgical procedure on the heart. Pursuant to the invention, a stabilizing device is introduced...
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6701930 |
Surgical instruments and procedures for stabilizing the beating heart during coronary artery bypass graft surgery
The invention is methods and devices which a surgeon may use to stabilize the beating heart during a surgical procedure on the heart. Pursuant to the invention, a stabilizing device is introduced...
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6620181 |
Method of dissecting tissue layers
A fluid operated retractor for use in surgery. The retractor has a portion that is expandable upon the introduction of fluid under pressure. The expandable portion, is made of a material strong...
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6605037 |
Endoscopic inflatable retraction device
An inflatable retraction apparatus is provided for retracing an organ inside a body to gain access to an adjacent tissue. The apparatus includes an able chamber formed from a single thin envelope,...
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6592602 |
Balloon dissection apparatus
Apparatus for creating an anatomic space in tissue in a body including an introducer device having a tubular member with a bore extending therethrough. A tunneling shaft assembly is slidably...
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6482151 |
Method of performing a procedure on a coronary artery
The invention provides a system and method for performing less-invasive surgical procedures within a body cavity. In a preferred embodiment, the invention provides a system and method for isolating...
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6471644 |
Endoscopic stabilization device and method of use
An endoscopic stabilization device is provided. The device includes first and second support elements positioned opposite each other, a plurality of linkages, each linkage including a first end...
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6451042 |
Method and apparatus for dissecting tissue layers
A retractor for use in arthroscopic surgery. The retractor has a mechanical expanding portion for expanding against sub-surface tissues when the retractor is in use. The retractor also has a...
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6447489 |
Laparoscopic access tool with gas seal
A laparoscopic access apparatus enabling the removal of tissue or other debris from a surgical site. A catheter having a longitudinal access is provided with a flexible internal sleeve having...
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6425859 |
Cannula and a retractor for percutaneous surgery
A device for retracting tissue that includes a cannula and a retractor positionable in the working channel of the cannula. The retractor includes a working tip configured to atraumatically displace...
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6423075 |
Uterine cannula and pelvic support for gynecological laparoscopy
The instrument 10 for gynecological laparoscopy includes a cervical funnel 12 and an intra-uterine cannula 14 disposed axially within the funnel 12. Funnel 12 includes a hollow tube 16 ...
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6346077 |
Surgical instrument for stabilizing the beating heart during coronary artery bypass graft surgery
The invention is methods and devices which a surgeon may use to stabilize the beating heart during a surgical procedure on the heart. Pursuant to the invention, a stabilizing device is introduced...
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6277136 |
Method for developing an anatomic space
A fluid operated retractor for use in surgery. The retractor has a portion which is expandable upon the introduction of fluid under pressure. The expandable portion is made of a material strong...
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6248062 |
Laparoscopic retractor
A laparoscopic retractor comprises a shaft having a distal end, a proximal end and a channel extending longitudinally from the distal end to the proximal end, and a handle connected to the proximal...
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6228024 |
Vascular retractor
A self-supporting retractor for holding open an anatomic space for performing endoscopic surgical procedures. The retractor includes a substantially rigid elongate member, having proximal and...
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6228023 |
Tissue pick and method for use in minimally invasive surgical procedures
A tissue pick for use during minimally invasive surgeries includes a tissue grasping member disposed at the end of the tissue pick. The tissue grasping member may be rotated, articulated at an...
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6228022 |
Methods and instruments for spinal surgery
Surgical techniques and instruments are provided for preparing a disc space for implantation of a vertebral fusion device or implant. In accordance with one embodiment of the technique, a surgical...
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6221008 |
Device for lifting the abdominal wall for laparoscopy
Disclosed is a device for lifting the abdominal wall for laparoscopy, whereby the device can be inserted into the abdominal cavity through an opening in the abdominal wall, having an instrument...
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6120437 |
Methods for creating spaces at obstructed sites endoscopically and methods therefor
An expandable multifunctional instrument for creating a space at an obstructed site in the body includes an elongate member having a distal end for being introduced in the body, a proximal end for...
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6042596 |
Method of performing balloon dissection
A retractor for use in arthroscopic surgery. The retractor has a mechanical expanding portion for expanding against sub-surface tissues when the retractor is in use. The retractor also has a...
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6013028 |
Tissue spreading instrument for use in narrow passage
An instrument is provided for use by a surgeon to separate the nasal septum from the sphenoid sinus wall of a patient, in a procedure which may be performed very rapidly and with significantly...
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6007487 |
Tissue retractor for use through a cannula
Devices and methods for performing percutaneous spinal surgery under direct visualization and through a single cannula are shown. A device (10) is provided which includes an elongated cannula (20)...
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6004337 |
Apparatus for developing an anatomic space for laparoscopic procedures with laparoscopic visualization
Apparatus for creating an anatomic space in tissue in a body of a patient using a cannula with proximal and distal extremities and a bore extending therethrough to provide an open end. A balloon...
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5947895 |
Abdominal retractor with rotating arms and method of using the same
An apparatus and method for laparoscopically lifting the abdominal wall utilizes a pair of lifting rods each having a substantially straight proximal portion mounted to a lifting body and an...
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5941819 |
Apparatus for creating a mediastinal working space
A mechanical lifting retractor is provided which increases working space in the chest for cardiac surgery by temporarily expanding the space between the rib cage and the pericardium. The lifting...
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5935141 |
Interventional cardiology instrument controlled from an intracoronary reference
A surgical instrument includes a proximal actuation handle and a flexible guiding catheter having a channeling lumen, a suction lumen, and a control lumen. The guiding catheter has a slit opening...
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5921918 |
Surgical retractor
An instrument for facilitating the use of sutures in laparoscopic surgical procedures includes a hollow housing defining an internal cavity. A plunger extends within the cavity of the housing and...
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5904649 |
Organ retractors
An improved organ retractor includes an elongate handle and a rigid stem extending from one end of the elongate handle. A hollow sleeve is positioned around the stem and is axially slidable along...
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5888196 |
Mechanically expandable arthroscopic retractors
A mechanically expandable retractor for use in arthroscopic surgery. The retractor has an expanding portion at its distal end for expanding against sub-surface tissues when the retractor is in use....
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5865728 |
Method of using an endoscopic inflatable lifting apparatus to create an anatomic working space
A method of separating tissue layers using an inflatable balloon, in which endoscopic visualization may be carried out through the balloon during inflation.
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5860915 |
Laparoscopic elevator to simultaneously lift the four quadrants of an abdominal cavity for laparoscopic surgery
A laparoscopic elevator to simultaneously lift the four quadrants of an abdominal cavity for laparoscopic surgery, comprising al least a lifting member for each quadrant, each of which is...
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5836871 |
Method for lifting a body wall using an inflatable lifting apparatus
An apparatus deployed through a laparoscopic incision in a body wall to apply an external lifting force over a large area of the body wall. The apparatus comprises a body wall engaging element and...
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5823946 |
Method for creating a mediastinal working space
A mechanical lifting retractor is provided which increases working space in the chest for cardiac surgery by temporarily expanding the space between the rib cage and the pericardium. The lifting...
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5823945 |
Endoscopic inflatable retraction device with additional inflatable chamber
An apparatus for retracting an organ inside the body to gain access to an adjacent tissue Includes an inflatable main chamber having a thin, flexible main envelope. Inflation of the main chamber...
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5820555 |
Method for selectively creating and altering the shape of a body cavity
A lifting device for laparoscopic procedures is provided with joints to enable an instrument carried by the device to be rotated to selectively adjust its pitch, roll and yaw. The adjustment...
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5807243 |
Method for isolating a surgical site
The invention provides a system and method for performing less-invasive surgical procedures within a body cavity. In a preferred embodiment, the invention provides a system and method for isolating...
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