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751results about "Blunt dissectors" patented technology

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

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

Surgical stapling device with dissecting tip

A dissecting tip is provided for use with a surgical stapler or instrument. In one embodiment, the dissecting tip is secured to the end effector of the surgical instrument, e.g., to the cartridge assembly. The dissecting tip extends distally from the end effector and is configured to dissect or separate target tissue from certain tissue, e.g., adherent, connective, joined or other tissue.
Owner:TYCO HEALTHCARE GRP LP

Tools and methods for epicardial access

A retractor tool has a hollow shaft with a proximal end and a distal end. The shaft has an internal bore sized to slidable receive an elongated tool of predetermined dimensions with a distal end of said tool exposed through a distal end of the bore. Such tool may be a visualization tool or other tool used in surgery. A first pivoting jaw and a second jaw are both secured to the distal end of the shaft to pivot about first and second pivot axes perpendicular to an axis of the shaft. The jaws pivot between open and closed positions. In the closed positions, opposing surfaces of the jaws define a distal end of the bore extending completely between the jaws.
Owner:ENDOPHOTONIX

Curved end effector for a surgical stapling device

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. In various embodiments, the surgical stapler includes 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 one embodiment, the staple cartridge can be configured to deploy staples along different, non-parallel axes. As a result, the staples can be deployed in a significantly curved staple line. In various embodiments, the surgical stapler includes a flexible driver operably engaged with the cutting member to move the cutting member relative to the anvil and the staple cartridge. In these embodiments, the driver can include an elongate cross-section defined by a width and a height wherein its width is greater, and in some cases, substantially greater, than its height.
Owner:CILAG GMBH INT

Surgical stapling device having supports for a flexible drive mechanism

The present invention includes a surgical stapler having a staple cartridge, an anvil, a cutting member having a cutting surface, and a driver operably engaged with the cutting member to move the cutting member relative to the anvil and the staple cartridge. In at least one embodiment, one of the anvil and the staple cartridge defines a slot which is configured to receive at least a portion of the cutting member and guide the cutting member as it is moved relative to the anvil and the staple cartridge. In these embodiments, the slot can also be configured to receive a portion of the driver operably engaged with cutting member and support the driver when it moves the cutting member. In at least one embodiment, the slot is defined by at least one radius of curvature.
Owner:CILAG GMBH INT

Surgical stapling device with a curved end effector

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, one of the anvil and the staple cartridge defines a slot which is configured to receive at least a portion of the cutting member and guide the cutting member as it is moved relative to the anvil and the staple cartridge. In these embodiments, the slot can define a path having linear and / or curved portions. In various embodiments, the path can include a curved portion having a first portion that extends away from the shaft axis and a second portion that extends toward the axis. In one embodiment, the path can include a curved portion defined by an arc corresponding to an angle greater than 90 degrees.
Owner:CILAG GMBH INT

Expandable element delivery system

Apparatus for controlling the deformation of an implant during deployment thereof, comprising: a force application mechanism for applying deformation force to the implant, by motion of a force applicator against the implant; and a restraint element positioning mechanism that positions a restraining element such that the deformation of the implant is controlled by restraint of the restraining element on allowable deformation; and a synchronizer that synchronizes the motion of the restraining element and the force applicator, to achieve a desired deformation of the implanted.
Owner:KYPHON

Implant assembly and method for use in an internal structure stabilization system

ActiveUS20060036244A1Prevent slidingEffectively locking out the conical freedom of the anchorSuture equipmentsInternal osteosythesisEngineeringHead parts
A stabilization assembly is described that stabilizes bony structures such as vertebrae. The stabilization assembly is partially formed by a poly-axial assembly which includes an anchor connected to a poly axial connector assembly head, where the poly-axial connector-assembly head includes a slide ring mounted in the head and a connector mounted in the slide ring. The slide ring allows the connector to move between an upright and a horizontal position relative to the poly-axial connector-assembly head. In the upright position the connector engages with a drive mechanism on the anchor for inserting the anchor into a pedicle. In the horizontal position the connector can engage a poly-axial connector capturing assembly which is the second piece included in the stabilization assembly. An end of the connector engages with a poly-axial connector-capturing head which is connected another anchor mounted in a second pedicle. Once the connector is captured by the poly-axial connector-capturing assembly, the stabilization system is made rigid by installing locking caps in the poly-axial heads.
Owner:THEKEN SPINE

System and method for stabilizing of internal structures

There is shown a system and method for reducing the difficulty in percutaneous placement of a spine stabilization brace by coupling the brace to a pedicle screw in a single assembly. The brace-screw assembly is delivered along with an anchor extension through a cannula for anchoring in the vertebrae pedicle. The anchor extension becomes a cannula for working on the brace from the exterior of the patient, as constructed with a slot opening along two sides. Once the screw portion of the brace-screw assembly is locked in place with respect to the first vertebra, the proximal end of the brace is below the skin line. The brace is then repositioned so that the proximal end leaves the cannula through one slot and is captured by a corresponding slot positioned in a second cannula coupled to a second anchor. Once captured, the proximal end of the brace is guided by the second cannula to a receptacle positioned in the second vertebra.
Owner:THEKEN SPINE

Connector clip for securing an introducer to a surgical fastener applying apparatus

A method of securing tissue is provided. The method includes obtaining a section of tubing, sizing the section of tubing to a desired length, securing the section of tubing to a connector member, securing the connector member to an end effector of a surgical instrument, guiding the end effector to a target location using the section of tubing, and performing a surgical procedure with the end effector.
Owner:TYCO HEALTHCARE GRP LP

Methods and devices for diagnostic and therapeutic interventions in the peritoneal cavity

A novel approach to diagnostic and therapeutic interventions in the peritoneal cavity is described. More specifically, a technique for accessing the peritoneal cavity via the wall of the digestive tract is provided so that examination of and / or a surgical procedure in the peritoneal cavity can be conducted via the wall of the digestive tract with the use of a flexible endoscope. As presently proposed, the technique is particularly adapted to transgastric peritoneoscopy. However, access in addition or in the alternative through the intestinal wall is contemplated and described as well. Transgastric and / or transintestinal peritoneoscopy will have an excellent cosmetic result as there are no incisions in the abdominal wall and no potential for visible post-surgical scars or hernias.
Owner:APOLLO ENDOSURGERY INC

Percutaneous vertebral stabilization system

The present invention relates to a percutaneous vertebral stabilization system. A first anchor is positionable within a body of a patient through a first percutaneous opening and a second anchor is positionable within a body of a patient through a second percutaneous opening. A stabilization member is positionable within the body of a patient through the first percutaneous opening to engage and connect the first and second anchors.
Owner:GLOBUS MEDICAL INC

Internal structure stabilization system for spanning three or more structures

A method and system are described for immobilizing three or more vertebrae. The system includes a first bone anchor assembly, a second bone anchor assembly including a connector having a predefined arc, and at least a third bone anchor assembly. The first and second bone anchor assembly are inserted into the pedicles of vertebrae spanning at least a third vertebra. The third bone anchor assembly is positioned into the third vertebra between the first and second bone anchor assemblies using an arc defining instrument which is used to locate the proper position for the third bone anchor assembly based on the predefined arc of the connector. Once the third bone anchor assembly is in place the connector is rotated into position and captured by the first and third bone anchor assemblies.
Owner:THEKEN SURGICAL LLC

Dissection and welding of tissue

InactiveUS7534243B1Facilitates concentrating compression forceEndoscopesBlunt dissectorsTissue solderingBlood vessel
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 in the tissue being dissected are selectively captivated and compressed in substantial contact with the tissue welder to elevate the temperature of the compressed tissue sufficiently to hemostatically weld and sever the compressed blood vessel.
Owner:MAQUET CARDIOVASCULAR LLC

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

Insertion devices and method of use

This invention relates to devices for inserting expandable structures, such as medical balloons, into interior regions of a human or animal body, as well as methods for their use. The insertion devices described herein are capable of directionally guiding and / or inhibiting expansion of an expandable structure within an interior region of an animal or human body to create optimally placed cavities for repair, augmentation and / or treatment of fractured and / or diseased bone.
Owner:ORTHOPHOENIX

Apparatus and methods for performing minimally-invasive surgical procedures

Devices, tools and methods for performing minimally invasive surgical procedures. Methods of performing minimally invasive ablation procedures. Methods of performing rapid exchange of tools in a device while the device remains in a reduced-access surgical space.
Owner:MAQUET CARDIOVASCULAR LLC
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