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26845results about "Surgical needles" patented technology
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Methods and apparatus for performing transluminal and other procedures
InactiveUS20070135803A1Prevent overflowPrevent leakageSuture equipmentsEar treatmentSurgeryInstrumentation
Owner:INTUITIVE SURGICAL OPERATIONS INC
Surgical stapling instrument with mechanical mechanism for limiting maximum tissue compression
Various forms of surgical instruments are disclosed. In various embodiments, the instrument includes a cartridge supporting assembly for operably supporting a staple cartridge therein. The cartridge supporting assembly may be responsive to firing and retraction motions applied thereto from a firing assembly. An anvil may be operably coupled to an anvil closure assembly. The anvil closure assembly may be constructed to selectively move the anvil in a proximal direction toward the cartridge supporting assembly to enable a portion of tissue to be clamped between a cartridge supported by the cartridge supporting assembly and the anvil under a predetermined amount of compression. The device may further include a compression limiting assembly that interacts with the anvil closure assembly to prevent further travel of the anvil in the proximal direction toward the cartridge supporting assembly when the predetermined amount of compression has been attained.
Owner:ETHICON ENDO SURGERY INC
Electro-mechanical surgical device
A surgical device includes a housing and a hollow shaft extending from the housing. The hollow shaft includes one or more drive shafts disposed within the hollow shaft. Each drive shaft is detachably coupled to a surgical instrument and is operable to control moving parts on the surgical instrument. A method for performing a surgical procedure includes the steps of inserting a hollow shaft containing one or more drive shafts into the body via a first orifice; inserting a surgical instrument into the body via a second orifice, the surgical instrument being configured to couple with the hollow shaft to connect the surgical instrument with one or more drive shafts; and coupling the hollow shaft and the surgical instrument after the hollow shaft and surgical instrument are inserted into the body.
Owner:DORROS GERALD M D
Surgical instruments including mems devices
InactiveUS20050131390A1Effective and safer and easy to useReduce the effectSuture equipmentsDiagnosticsSurgical deviceSurgical instrument
Surgical instruments are disclosed that are couplable to or have an end effector or a disposable loading unit with an end effector, and at least one micro-electromechanical system (MEMS) device operatively connected to the surgical instrument for at least one of sensing a condition, measuring a parameter and controlling the condition and / or parameter.
Owner:TYCO HEALTHCARE GRP LP
Surgical stapling device for performing circular anastomoses
InactiveUS6945444B2Enhanced advantageReduce firing forceSuture equipmentsStapling toolsEngineeringSurgical department
This application is directed to a surgical stapling device for performing circular anastomoses. The stapling device includes a retractable trocar which is slidably supported by an anvil retainer and movable from a retracted position located within the anvil retainer to an advanced position extending from the anvil retainer. The trocar defines a sensor and is operatively connected to an indicator assembly. The indicator assembly is operatively associated with an anvil assembly such that the indicator will not move from a fire-not ready position to a fire-ready position until an anvil assembly has been mounted to the anvil retainer.
Owner:TYCO HEALTHCARE GRP LP
Electrosurgical working end for controlled energy delivery
InactiveUS7125409B2Prevent any substantial dehydrationEnergy efficiencySurgical needlesSurgical instruments for heatingElastomerEngineering
Owner:ETHICON ENDO SURGERY INC
Surgical stapling device with a curved cutting member
The present invention includes a surgical stapler having a curved end-effector which is configured to deploy staples in at least one curved staple line. The surgical stapler can include a staple cartridge configured to removably store staples therein, an anvil configured to deform the staples, and a cutting member having a cutting surface. The staple cartridge and / or anvil can include a curved slot configured for receiving and guiding the cutting member wherein at least a portion of the cutting member can be defined by a curvature that substantially matches the curvature of the slot. In these embodiments, the curved cutting member can be easily moved within the curved slot thereby reducing the possibility that the cutting member will become stuck within the slot.
Owner:CILAG GMBH INT +1
Apparatus for closing a curved anvil of a surgical stapling device
The present invention includes a surgical stapler having a staple cartridge, an anvil, and a cutting member having a cutting surface, wherein the cutting member is relatively movable with respect to the anvil and the staple cartridge. In at least one embodiment, the anvil is movable between an open position and a partially-closed position. When the anvil is in its partially-closed position, the anvil and the staple cartridge can be configured to capture tissue therebetween without fully compressing the tissue. In at least one embodiment, the anvil includes a proximal portion, a distal portion, and a middle portion intermediate the proximal portion and the distal portion. In these embodiments, the tissue can be captured between the proximal and distal portions of the anvil before the middle portion of the anvil is brought into contact with the tissue.
Owner:CILAG GMBH INT
Electro-mechanical surgical device
An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical or Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.
Owner:DORROS GERALD M D
Surgical stapler end effector with tapered distal end
An end effector for a surgical stapler. Various embodiments include a channel configured to operably support a staple cartridge therein. A first tip portion is attached to or formed on a distal end of one of the channel and staple cartridge wherein the first tip portion may have a first upwardly extending curved outer surface. An anvil is movably coupled to the channel and is selectively movable between open and closed positions relative to the staple cartridge in response to opening and closing motions applied to the anvil. A second tip portion is attached to or formed on a distal end thereof. The second tip portion may have a second downwardly extending curved surface such that when the anvil is in the closed position, the second tip portion cooperates with the first tip portion to define a blunt end effector nose. In various embodiments, the end effector nose has a substantially paraboloid outer surface.
Owner:ETHICON ENDO SURGERY INC +1
Powered surgical instrument
A surgical instrument including a housing, an endoscopic portion, a shaft portion and an end effector is disclosed. The endoscopic portion extends distally from the housing and defines a longitudinal axis. The shaft portion is selectively connectable to a distal end of the endoscopic portion. The end effector is selectively connectable to a distal end of the shaft portion.
Owner:TYCO HEALTHCARE GRP LP
Surgical instrument having a common trigger for actuating an end effector closing system and a staple firing system
ActiveUS7819299B2Quickly and conveniently selectSuture equipmentsStapling toolsSurgical operationSurgical site
A surgical instrument including a trigger which can be configured to close a jaw member upon a first actuation of the trigger and advance a staple driver and / or cutting member upon a subsequent, or second, actuation of the trigger. Such a surgical instrument can allow a surgeon to position the surgical instrument in a surgical site and close the jaw member with an initial actuation of the trigger without deploying any staples into, or incising, the tissue. As a result, the surgeon can manipulate the position of the surgical instrument and then actuate the trigger a second time to deploy staples into, and / or incise, the tissue. In at least one such embodiment, the first actuation of the trigger which closes the jaw member can also unlock a firing drive configured to advance the staple driver and cutting member during the second actuation of the trigger.
Owner:CILAG GMBH INT
Electro-mechanical surgical device
Owner:COVIDIEN LP
Bipolar or ultrasonic surgical device
ActiveUS8292888B2Reduce in quantityLess mechanical forceUltrasound therapySurgical needlesAmpullaSurgical device
An electro-mechanical surgical device, system and / or method may include a housing, at least two opposing jaw, and at least one electrical contact associated with at least one of the jaws. The electrical contact may include at least one of a bipolar electrical contact and an ultrasonic electrical contact. The electrical contact may be a row of electrodes located on one or all of the jaws. A sensor may also be associated with any tissue located between the jaws to sense and report the temperature of that tissue. A piercable ampulla containing fluid may also be placed on at least one of the jaws so that the fluid is releasable when the jaws are in closed position and the electrode(s) pass through the tissue into the piercable ampulla.
Owner:TYCO HEALTHCARE GRP LP
Electro-mechanical surgical device
An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical or Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.
Owner:TYCO HEALTHCARE GRP LP
Apparatus and method for performing a bypass procedure in a digestive system
Surgical instrumentation and methods for performing a bypass procedure in a digestive system incorporate laparoscopic techniques to minimize surgical trauma to the patient. The instrumentation includes an outer guide member dimensioned for insertion and passage through an esophagus of a patient and defining an opening therein extending at least along a portion of the length of the outer guide member, an elongate anvil delivery member at least partially disposed within the opening of the outer guide member and being adapted for longitudinal movement within the outer guide member between an initial position and an actuated position and an anvil operatively engageable with the delivery member. The anvil includes an anvil rod defining a longitudinal axis and an anvil head connected to the anvil rod. The anvil head is at least partially disposed within the opening of the outer guide member when in the initial position of the delivery member and is fully exposed from the distal end of the outer guide member upon movement of the delivery member to the actuated position.
Owner:TYCO HEALTHCARE GRP LP
Means and method of replacing a heart valve in a minimally invasive manner
InactiveUS6042607AMinimally invasiveEfficient and effectiveSuture equipmentsHeart valvesLess invasive surgeryCuff
A heart valve can be replaced using minimally invasive methods which include a sutureless sewing cuff that and a fastener delivery tool that holds the cuff against the patient's tissue while delivering fasteners, two at a time to attach the cuff to the tissue from the inside out. The tool stores a plurality of fasteners. Drawstrings are operated from outside the patient's body and cinch the sewing cuff to the valve body. The cuff is releasably mounted on the tool and the tool holds the cuff against tissue and drives the fastener through the cuff and the tissue before folding over the legs of the fastener whereby secure securement between the cuff and the tissue is assured. At least two rows of staggered fasteners are formed whereby fasteners are located continuously throughout the entire circumference of the cuff. A minimally invasive surgical method is disclosed, and a method and tool are disclosed for repairing abdominal aortic aneurysms in a minimally invasive manner.
Owner:MEDTRONIC INC
Anastomosis apparatus for use in intraluminally directed vascular anastomosis
InactiveUS6248117B1Surgical needlesSurgical staplesVascular anastomosisMinimally invasive procedures
The present invention relates to new and useful apparatus for use with an intraluminally directed anvil apparatus for intraluminally directed vascular anastomosis of an end of a graft vessel to the wall of a receiving blood vessel that is performed according to a minimally invasive procedure. The intraluminally directed vascular anastomosis does not require the interruption of blood flow in the receiving blood vessel and it is versatile enough to suitably combine a variety of cutting, welding, soldering, sealing, and joining techniques such as stapling. The intraluminally directed anvil apparatus comprises an anvil and a wire used for signaling the optimal anastomosis site; this signaling can be performed when the initial exploration is performed. The intraluminally directed anvil apparatus is typically used with a catheter.
Owner:VITAL ACCESS CORP
Methods and apparatus for cardiac valve repair
InactiveUS6629534B1Reduce leakageReduce regurgitationSuture equipmentsSurgical needlesHeart chamberPapillary muscle
The methods, devices, and systems are provided for performing endovascular repair of atrioventricular and other cardiac valves in the heart. Regurgitation of an atrioventricular valve, particularly a mitral valve, can be repaired by modifying a tissue structure selected from the valve leaflets, the valve annulus, the valve chordae, and the papillary muscles. These structures may be modified by suturing, stapling, snaring, or shortening, using interventional tools which are introduced to a heart chamber. Preferably, the tissue structures will be temporarily modified prior to permanent modification. For example, opposed valve leaflets may be temporarily grasped and held into position prior to permanent attachment.
Owner:EVALVE
Surgical instrument
The surgical instrument includes a distal tool, a rigid or flexible elongated shaft that supports the distal tool, and a proximal handle or control member, where the tool and the handle are coupled to the respective distal and proximal ends of the elongated shaft via distal and proximal bendable motion members. Actuation means extends between said distal and proximal members whereby any deflection of said control handle with respect to said elongated instrument shaft causes a corresponding bending of said distal motion member for control of said working member. A manually rotatable member is arranged adjacent to the control handle for manually rotating the instrument shaft and working member relative to the control handle.
Owner:CAMBRIDGE ENDOSCOPIC DEVICES INC
Electro-mechanical surgical device
An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical or Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.
Owner:TYCO HEALTHCARE GRP LP
Method for detecting and treating tumors using localized impedance measurement
InactiveUS6962587B2Precise positioningEasy to monitorSurgical needlesDiagnostic recording/measuringAbnormal tissue growthEngineering
An embodiment of the invention provides a method for detecting and treating a tumor using tissue localized volumetric impedance measurement. The method includes providing an impedance measurement apparatus having a plurality of resilient members deployable with curvature and configured to sample tissue impedance through a plurality of conductive pathways. The apparatus is configured to be coupled to at least one of an energy delivery device, a power supply, a switching device or logic resources. The apparatus is then positioned at a selected tissue site and the impedance array deployed to define a sample volume. The impedance array is then utilized to make impedance measurements through a plurality of conductive pathways. Information from the impedance measurements is then utilized to determine a tissue condition of the sample volume. Energy is then delivered from the energy delivery device to ablate or necrose at least a portion of the tumor.
Owner:ANGIODYNAMICS INC
Devices and methods for treating morbid obesity
The present invention provides devices and methods for attachment of an implanted device, such as an artificial stoma device, a gastrointestinal sleeve device or an attachment cuff, within a patient's digestive tract for treatment of obesity. Special surgical fasteners provide a lasting and durable attachment to the gastrointestinal tissue without causing excessive pressure that could result in tissue erosion and detachment of the implanted device. Fastener delivery devices that facilitate peroral placement and deployment of fasteners and secondary devices are also provided. Also described are implantable devices and attachment means that avoid causing excessive pressure within the tissue by having compliance that is compatible with the gastrointestinal tissues where it is attached.
Owner:VALENTX
Endoscope having multiple working segments
InactiveUS7029435B2Improve performanceEasy to insertSuture equipmentsCannulasEngineeringIntroduction procedure
A flexible fiberoptic endoscope has an insertion member with a distal end portion split longitudinally into a plurality of independently operable working segments each provided with at least one longitudinally extending working channel. Visualization optics are provided in the working segments or a separate central segment surrounded by the working segments. A sheath temporarily joins the working segments to one another during an introduction procedure. The sheath is removed upon insertion of the endoscope, so that the working segments may be / separated from one another and independently maneuvered via proximal control heads to facilitate the performance of an endoscopic surgical procedure.
Owner:GRANIT MEDICAL INNOVATION
Robotically controlled surgical instruments
ActiveUS7699835B2High strengthIncreased leverageSuture equipmentsDiagnosticsEngineeringRobot control
A robotically controlled surgical instrument includes a first jaw and a second jaw used to grasp an item, and a drive mechanism that increases the force applied to the item grasped. The drive mechanism and the jaws can be provided with an accommodating mechanism that allows continued movement of the drive mechanism towards a locked position even after the jaws contact a larger item so that the drive mechanism can move to the locked position when grasping items of different sizes.
Owner:AURIS HEALTH INC
Tool member cover and cover deployment device
Owner:COVIDIEN LP
Instrument introducer
InactiveUS7846149B2Easy to insertLower potentialInternal osteosythesisCannulasDistal portionSurgical device
Instrument introducers are disclosed which facilitate the insertion of a surgical instrument into a cavity or a body of a patient. In one embodiment, the instrument introducer includes a hollow elongate cylindrical body including a distal end portion terminating in a distal edge and a proximal end portion, the cylindrical body defining a central longitudinal axis, and an elastomeric cap secured to the distal end portion of the cylindrical body, the cap including a distal end wall having an outer terminal edge and an annular side wall depending from the outer terminal edge thereof. The distal end wall includes an aperture formed therein, wherein a center of the aperture is coaxially aligned with the central longitudinal axis.
Owner:TYCO HEALTHCARE GRP LP
Rotary actuatable closure arrangement for surgical end effector
A surgical instrument may include an end effector, an input drive shaft, a closure drive, and / or a firing drive. The end effector may comprise a jaw assembly including a first jaw member and a second jaw member. The end effector may comprise an I-beam member axially translated between a proximal position and a distal position within the end effector. In one embodiment, the input drive shaft may selectively engage the firing drive and / or the closure drive. In one configuration, the closure drive is threadedly engaged with the firing drive allowing the input drive shaft, during a firing stroke, to simultaneously move the closure drive and the firing drive until the closure drive is disengaged from the firing drive. On a reverse stroke, the closure drive may be reengaged with the firing drive.
Owner:CILAG GMBH INT
Suture reinforcement material for automatic suturing device
Owner:GUNZE LTD
Drug releasing anastomosis devices and methods for treating anastomotic sites
ActiveUS7108701B2Reduce drug toxicityGood curative effectSuture equipmentsSurgical needlesBiological bodyReady to use
Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic drugs, agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. Various materials and coating methodologies may be utilized to maintain the drugs, agents or compounds on the medical device until delivered and positioned.
Owner:WYETH
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