A surgical system comprising a steering tool and a powered tool. The steering tool includes a shaft defining a bore with a bendable section, an inelastic cable, and an elastic cable. The elastic cable may be arcuately spaced from the inelastic cable. The powered tool comprising a tube assembly with a tube flexible section, a working head, and a motor. The tube assembly is configured to be removably disposed through the shaft such that the tube flexible section is seated within the bore of the bendable section of the steering tool. The elastic cable is configured to be placed in tension, and the inelastic cable causes the shaft bendable section and the tube flexible section to bend towards the inelastic cable while the inelastic cable and the elastic cable remaining in tension to resist radial loading on the working head. Methods for using the surgical system are also disclosed.

Deflectable guide catheters and methods, including methods for using defectable guide catheters to perform transnasal procedures within the ear, nose, throat, paranasal sinuses or cranium. Some deflectable guide catheters of the present invention comprise a substantially rigid tube, a helical spring attached to and extending from the distal end of the substantially rigid tube, a tubular plastic inner jacket, an outer plastic jacket substantially covering at least the helical spring member. The spring member is deflectable to cause the distal portion of the guide catheter to deflect to a curved configuration. In embodiments for transnasal use the deflectable guide catheter may have a length of less than 25 cm.

A medical insertion device includes an elongated shaft extending from a proximal end to a distal end and having flexibility sufficient for insertion through a working channel of an endoscope along a tortuous path. The elongated shaft includes a coil extending from the proximal end to the distal end and having a channel extending longitudinally therethrough and a braided portion extending around a portion of the coil, the braided portion including a plurality of lines wound together such that first and second ones of the lines intersect to enclose a predetermined angle therebetween, the angle being between 25 and 55 degrees.

A device and method for delivering a synthetic mesh or graft for anatomical repair at a defect site. A plurality of flexible arms is connected to the synthetic mesh or graft. Grasping jaws are individually controlled at or near a proximal end of the device for connection of the graft and release of the graft at the surgical site. The flexible arms, with graft attached are positioned through a surgical incision to the defect site. An actuator positions the flexible arms to assume a radial array at the surgical site, unfolding and spreading the graft for attachment. The length of each flexible arm is individually adjustable to adapt to the size and shape of the graft selected for installation at the defect site to repair the defect.

A device receptacle of a catheter resides in a sidewall thereof, which includes a proximal section, a central section extending distally from the proximal section, and a distal section extending distally from the central section. A length of the central section is approximately 30% of an overall length of the sidewall; the proximal and distal sections have approximately the same stiffness; and a stiffness of the central section, formed from a polymer material without any structural reinforcement or any other member embedded therein, is significantly less than that of the proximal and distal sections. When an operator causes the receptacle sidewall to buckle, a distal opening of a chamber of the receptacle becomes aligned with an implanted device so that the operator can bring the implanted device into the chamber to retrieve the device from the implant site.

Endoscope apparatus includes: a tube unit coupled to a rotary shaft to which a rotational force is transmitted so as to be rotatable, the tube unit being formed to extend in one direction; steering unit having one end installed at one end of the tube unit to rotate with respect to the tube unit so that a direction thereof facing forward is adjusted, the steering unit rotating together with the tube unit by the rotational force transmitted from the tube unit; an end effector installed inside the steering unit to rotate together with the steering unit due to the rotation of the steering unit, the end effector being disposed to face forward; and shaft-fixing tube body installed at the end effector, wherein the direction of the steering unit facing forward and relative rotation of the steering unit with respect to the end effector are adjustable.

A fluid-assisted minimally-invasive surgery visualization device includes an outer sleeve assembly, an imaging module, an imaging module support body and a water delivery pipe. The outer sleeve assembly includes an outer sleeve and a sleeve seat. A water supply cavity in communication with a rear end of the outer sleeve is inside the sleeve seat, and the water supply cavity is in communication with the water delivery pipe. The imaging module is on the outer sleeve assembly, the imaging module is in the outer sleeve, and one segment of clear water cavity is between a front end surface of the outer sleeve and a lens of the imaging module. A clear water region is present between the lens and the front end surface of the outer sleeve, and the clear water flowing forward inside the outer sleeve flushes away bloody water to form a clear visual region.

A stand comprises a track. A first handle is mountable on the stand such that the stand supports the first handle. A first catheter defines a first lumen, and is coupled to the first handle. A second handle is mountable on the stand proximally from the first catheter in a manner in which the stand also supports the second handle. A second catheter defines a second lumen, and is coupled to the second handle. The second catheter is extendable through the first lumen. A third handle is slidably mountable on the track proximally from the second handle, such that the third handle is axially slidable along the track. A third catheter defines a third lumen, and is coupled to the third handle. A distal end of the third catheter is advanceable out of the second lumen. Other embodiments are also described.

A bending and extending device 1 comprises an elastic hollow guide unit 2 and a movable part 3 to be movably inserted into the guide unit 2. The movable part 3 is constituted, either partially or entirely, of a plurality of belt-like flexible parts 30a and 30b, which extend in the axial direction of the guide unit 2 and the flexible parts 30a and 30b are connected at distal ends. The bending and extending device 1 is characterized in that, when, by the sliding operation of the flexible parts 30a and 30b, a cross-section in which a contact point T of the flexible part 30a and the inner surface of the guide unit 2 is present on an extending line Y extending from a line segment connecting the centroid P of the flexible part 30b and the axial center G of the guide unit 2 and in which the flexible part 30a and the second flexible part 30b are in contact with each other is generated, and when the cross-section is divided into two ranges by a predetermined straight line X, the centroid P of the flexible part 30b is not positioned in a range in which the contact point T is present; and the predetermined straight line X is a line that passes through the axial center G of the guide unit 2, and that orthogonally crosses the extending line Y.

Disclosed is an instrument that may an interior tube and an external tube. The exterior tube may be fixed relative to an interior tube, where the interior tube may rotate or oscillate relative to the exterior tube. Further, the two tubes may be co-bent such that an angle is formed by both of the tubes.