摘要:
A staple cartridge assembly for use with a surgical stapler. The assembly has a cartridge body having a support portion with a plurality of staple cavities with openings. There is also a plurality of staples, wherein at least a portion of each the staple is removably stored within a the staple cavity. Each the staple is movable between an unfired position and a fired position, and is deformable between an unfired configuration and a fired configuration. The assembly also includes a compressible tissue thickness compensator configured to be captured within the staples. The compressible tissue thickness compensator at least partially covers the staple cavity openings. The compressed tissue thickness compensator is configured to assume different compressed heights within different the staples. The compressible tissue thickness compensator comprising a lyophilized foam having a hydrophillic agent embedded therein.
摘要:
Apparatus, methods and kits which, when installed or used, occlude or partially occlude a cervical canal, the internal opening of a cervical canal (cervical os), or a uterine side wall rupture location, such as to inhibit or prevent bacterial access and retard leakage of amniotic fluid resulting from PROM. The present apparatus can include an expandable support member of a biocompatible and non-toxic material. In some examples, the support member can include a top portion having a first diameter and a bottom portion having a second diameter less than the first diameter. In some examples, the support member can include an expandable stent of a suitable length and uniform diameter to be inserted in a non-dilated cervical canal or transabdominal access route. In various examples, the apparatus further includes a fluid-resistant fabric, polymer, substance or other material placed over at least the top portion of the support member.
摘要:
A medical device 1 for use in treatment of a valve comprises a treatment element 2 which is configured for location at a region of coaption of leaflets 3 of a valve to resist fluid flow in a retrograde direction through an opening 7 of the valve. The device also comprises a support 4 for the treatment element 2, and an anchor 8 for anchoring the support 4 to a heart wall. The treatment element 2 and/or at least a part of the support 4 comprises a hydrogel.
摘要:
An incrementally adjustable wound retractor (100), having a first ring (102) with a diameter greater than the desired diameter of the wound incision. A second ring (104), having an annular axis and a diameter greater than the desired diameter of the wound incision. A flexible sleeve (106), disposed in a generally cylindrical form between the first and second rings (102, 104), the second ring may be rolled over itself and around the annular axis to provide a sleeve with a radical retraction force sufficient to stretch the incision to the desired diameter.
摘要:
Methods and apparatuses for compressing and holding a bulging or herniated intervertebral disc. A number of fastener embodiments are disclosed, including a resiliently curved fastener, suture, screw, staple, tack and others. The curved fastener is resiliently straightened and loaded into a needle for delivery and deployment. In the intervertebral disc, the deployed fastener resumes the curvature to grip and hold the bulge. Alternatively, the suture is anchored and used to tie down the bulging tissue. The screw, staple or tack can also be used to securely fasten, compress and hold the bulge from impinging upon adjacent nerves or tissues.
摘要:
The present disclosure describes a reusable and adjustable surgical jig system (100) for mandible tumor resection and reconstruction. The system 100 comprises base plates (1), L-shaped fixation plate (7), a straight-cut guiding member (10) and an angular-cut guiding member (14). The jig system 100 is formed by connecting plurality of base plates (1) to each other via the mechanical arrangement (6,13) and forming a U-shape structure, adapted for mounting and adjusting the various elements (7, 10, 14) either above or below the base plates (1), as desired for performing mandible tumor resection and reconstruction.
摘要:
Described herein are compositions comprising, a polymer, a non-physiological solution; and a visualization agent; wherein the polymer is soluble in the non-physiological solution and insoluble at physiological conditions. Methods of preparing the compositions are disclosed as well as methods of using these compositions to treat vascular conditions.
摘要:
A method for controlling a surgical instrument is disclosed. In at least one instance, the surgical instrument comprises a shroud and the operation of the surgical instrument is modified based on input from a sensing circuit configured to sense a parameter of the shroud. In certain instances, the surgical instrument comprises a strain gage circuit and the operation of the surgical instrument is modified based on input from the strain gage circuit.
摘要:
A tissue thickness compensator can comprise a compensator body and at least one vessel contained in the compensator body. The vessel can define an inner cavity which can comprise an inner atmosphere having a pressure which is lower than the atmospheric pressure of the atmosphere surrounding the tissue thickness compensator. In at least one embodiment, the vessel and the compensator body can be maintained in a collapsed state until staples are fired through the vessel. At such point, the vessel can re-expand and apply a biasing force to tissue captured within the staples.